virsh-domain.c 283.7 KB
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/*
 * virsh-domain.c: Commands to manage domain
 *
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 * Copyright (C) 2005, 2007-2013 Red Hat, Inc.
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library.  If not, see
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 * <http://www.gnu.org/licenses/>.
 *
 *  Daniel Veillard <veillard@redhat.com>
 *  Karel Zak <kzak@redhat.com>
 *  Daniel P. Berrange <berrange@redhat.com>
 *
 */

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#include <config.h>
#include "virsh-domain.h"

#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <sys/time.h>

#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xmlsave.h>

#include "internal.h"
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#include "virbitmap.h"
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#include "virbuffer.h"
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#include "c-ctype.h"
#include "conf/domain_conf.h"
#include "console.h"
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#include "viralloc.h"
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#include "vircommand.h"
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#include "virutil.h"
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#include "virfile.h"
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#include "virjson.h"
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#include "virkeycode.h"
#include "virmacaddr.h"
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#include "virprocess.h"
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#include "virstring.h"
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#include "virsh-domain-monitor.h"
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#include "virerror.h"
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#include "virtypedparam.h"
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#include "virxml.h"
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/* Gnulib doesn't guarantee SA_SIGINFO support.  */
#ifndef SA_SIGINFO
# define SA_SIGINFO 0
#endif

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virDomainPtr
vshCommandOptDomainBy(vshControl *ctl, const vshCmd *cmd,
                      const char **name, unsigned int flags)
{
    virDomainPtr dom = NULL;
    const char *n = NULL;
    int id;
    const char *optname = "domain";
    virCheckFlags(VSH_BYID | VSH_BYUUID | VSH_BYNAME, NULL);

    if (!vshCmdHasOption(ctl, cmd, optname))
        return NULL;

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    if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0)
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        return NULL;

    vshDebug(ctl, VSH_ERR_INFO, "%s: found option <%s>: %s\n",
             cmd->def->name, optname, n);

    if (name)
        *name = n;

    /* try it by ID */
    if (flags & VSH_BYID) {
        if (virStrToLong_i(n, NULL, 10, &id) == 0 && id >= 0) {
            vshDebug(ctl, VSH_ERR_DEBUG,
                     "%s: <%s> seems like domain ID\n",
                     cmd->def->name, optname);
            dom = virDomainLookupByID(ctl->conn, id);
        }
    }
    /* try it by UUID */
    if (!dom && (flags & VSH_BYUUID) &&
        strlen(n) == VIR_UUID_STRING_BUFLEN-1) {
        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain UUID\n",
                 cmd->def->name, optname);
        dom = virDomainLookupByUUIDString(ctl->conn, n);
    }
    /* try it by NAME */
    if (!dom && (flags & VSH_BYNAME)) {
        vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain NAME\n",
                 cmd->def->name, optname);
        dom = virDomainLookupByName(ctl->conn, n);
    }

    if (!dom)
        vshError(ctl, _("failed to get domain '%s'"), n);

    return dom;
}

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static const char *
vshDomainVcpuStateToString(int state)
{
    switch (state) {
    case VIR_VCPU_OFFLINE:
        return N_("offline");
    case VIR_VCPU_BLOCKED:
        return N_("idle");
    case VIR_VCPU_RUNNING:
        return N_("running");
    default:
        ;/*FALLTHROUGH*/
    }
    return N_("no state");
}

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/*
 * Determine number of CPU nodes present by trying
 * virNodeGetCPUMap and falling back to virNodeGetInfo
 * if needed.
 */
static int
vshNodeGetCPUCount(virConnectPtr conn)
{
    int ret;
    virNodeInfo nodeinfo;

    if ((ret = virNodeGetCPUMap(conn, NULL, NULL, 0)) < 0) {
        /* fall back to nodeinfo */
        vshResetLibvirtError();
        if (virNodeGetInfo(conn, &nodeinfo) == 0) {
            ret = VIR_NODEINFO_MAXCPUS(nodeinfo);
        }
    }
    return ret;
}

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/*
 * "attach-device" command
 */
static const vshCmdInfo info_attach_device[] = {
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    {.name = "help",
     .data = N_("attach device from an XML file")
    },
    {.name = "desc",
     .data = N_("Attach device from an XML <file>.")
    },
    {.name = NULL}
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};

static const vshCmdOptDef opts_attach_device[] = {
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    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("XML file")
    },
    {.name = "persistent",
     .type = VSH_OT_ALIAS,
     .help = "config"
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = NULL}
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};

static bool
cmdAttachDevice(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *from = NULL;
    char *buffer;
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    int rv;
    bool ret = false;
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    unsigned int flags;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

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    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
        goto cleanup;
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    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
        vshReportError(ctl);
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        goto cleanup;
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    }

    if (vshCommandOptBool(cmd, "config")) {
        flags = VIR_DOMAIN_AFFECT_CONFIG;
        if (virDomainIsActive(dom) == 1)
           flags |= VIR_DOMAIN_AFFECT_LIVE;
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        rv = virDomainAttachDeviceFlags(dom, buffer, flags);
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    } else {
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        rv = virDomainAttachDevice(dom, buffer);
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    }
    VIR_FREE(buffer);

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    if (rv < 0) {
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        vshError(ctl, _("Failed to attach device from %s"), from);
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        goto cleanup;
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    }

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    vshPrint(ctl, "%s", _("Device attached successfully\n"));
    ret = true;

cleanup:
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    virDomainFree(dom);
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    return ret;
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}

/*
 * "attach-disk" command
 */
static const vshCmdInfo info_attach_disk[] = {
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    {.name = "help",
     .data = N_("attach disk device")
    },
    {.name = "desc",
     .data = N_("Attach new disk device.")
    },
    {.name = NULL}
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};

static const vshCmdOptDef opts_attach_disk[] = {
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    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "source",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ | VSH_OFLAG_EMPTY_OK,
     .help = N_("source of disk device")
    },
    {.name = "target",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("target of disk device")
    },
    {.name = "driver",
     .type = VSH_OT_STRING,
     .help = N_("driver of disk device")
    },
    {.name = "subdriver",
     .type = VSH_OT_STRING,
     .help = N_("subdriver of disk device")
    },
    {.name = "cache",
     .type = VSH_OT_STRING,
     .help = N_("cache mode of disk device")
    },
    {.name = "type",
     .type = VSH_OT_STRING,
     .help = N_("target device type")
    },
    {.name = "mode",
     .type = VSH_OT_STRING,
     .help = N_("mode of device reading and writing")
    },
    {.name = "persistent",
     .type = VSH_OT_ALIAS,
     .help = "config"
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "sourcetype",
     .type = VSH_OT_STRING,
     .help = N_("type of source (block|file)")
    },
    {.name = "serial",
     .type = VSH_OT_STRING,
     .help = N_("serial of disk device")
    },
    {.name = "shareable",
     .type = VSH_OT_BOOL,
     .help = N_("shareable between domains")
    },
    {.name = "rawio",
     .type = VSH_OT_BOOL,
     .help = N_("needs rawio capability")
    },
    {.name = "address",
     .type = VSH_OT_STRING,
     .help = N_("address of disk device")
    },
    {.name = "multifunction",
     .type = VSH_OT_BOOL,
     .help = N_("use multifunction pci under specified address")
    },
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    {.name = "print-xml",
     .type = VSH_OT_BOOL,
     .help = N_("print XML document rather than attach the disk")
    },

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    {.name = NULL}
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};

enum {
    DISK_ADDR_TYPE_INVALID,
    DISK_ADDR_TYPE_PCI,
    DISK_ADDR_TYPE_SCSI,
    DISK_ADDR_TYPE_IDE,
};

struct PCIAddress {
    unsigned int domain;
    unsigned int bus;
    unsigned int slot;
    unsigned int function;
};

struct SCSIAddress {
    unsigned int controller;
    unsigned int bus;
    unsigned int unit;
};

struct IDEAddress {
    unsigned int controller;
    unsigned int bus;
    unsigned int unit;
};

struct DiskAddress {
    int type;
    union {
        struct PCIAddress pci;
        struct SCSIAddress scsi;
        struct IDEAddress ide;
    } addr;
};

static int str2PCIAddress(const char *str, struct PCIAddress *pciAddr)
{
    char *domain, *bus, *slot, *function;

    if (!pciAddr)
        return -1;
    if (!str)
        return -1;

    domain = (char *)str;

    if (virStrToLong_ui(domain, &bus, 0, &pciAddr->domain) != 0)
        return -1;

    bus++;
    if (virStrToLong_ui(bus, &slot, 0, &pciAddr->bus) != 0)
        return -1;

    slot++;
    if (virStrToLong_ui(slot, &function, 0, &pciAddr->slot) != 0)
        return -1;

    function++;
    if (virStrToLong_ui(function, NULL, 0, &pciAddr->function) != 0)
        return -1;

    return 0;
}

static int str2SCSIAddress(const char *str, struct SCSIAddress *scsiAddr)
{
    char *controller, *bus, *unit;

    if (!scsiAddr)
        return -1;
    if (!str)
        return -1;

    controller = (char *)str;

    if (virStrToLong_ui(controller, &bus, 0, &scsiAddr->controller) != 0)
        return -1;

    bus++;
    if (virStrToLong_ui(bus, &unit, 0, &scsiAddr->bus) != 0)
        return -1;

    unit++;
    if (virStrToLong_ui(unit, NULL, 0, &scsiAddr->unit) != 0)
        return -1;

    return 0;
}

static int str2IDEAddress(const char *str, struct IDEAddress *ideAddr)
{
    char *controller, *bus, *unit;

    if (!ideAddr)
        return -1;
    if (!str)
        return -1;

    controller = (char *)str;

    if (virStrToLong_ui(controller, &bus, 0, &ideAddr->controller) != 0)
        return -1;

    bus++;
    if (virStrToLong_ui(bus, &unit, 0, &ideAddr->bus) != 0)
        return -1;

    unit++;
    if (virStrToLong_ui(unit, NULL, 0, &ideAddr->unit) != 0)
        return -1;

    return 0;
}

/* pci address pci:0000.00.0x0a.0 (domain:bus:slot:function)
 * ide disk address: ide:00.00.0 (controller:bus:unit)
 * scsi disk address: scsi:00.00.0 (controller:bus:unit)
 */

static int str2DiskAddress(const char *str, struct DiskAddress *diskAddr)
{
    char *type, *addr;

    if (!diskAddr)
        return -1;
    if (!str)
        return -1;

    type = (char *)str;
    addr = strchr(type, ':');
    if (!addr)
        return -1;

    if (STREQLEN(type, "pci", addr - type)) {
        diskAddr->type = DISK_ADDR_TYPE_PCI;
        return str2PCIAddress(addr + 1, &diskAddr->addr.pci);
    } else if (STREQLEN(type, "scsi", addr - type)) {
        diskAddr->type = DISK_ADDR_TYPE_SCSI;
        return str2SCSIAddress(addr + 1, &diskAddr->addr.scsi);
    } else if (STREQLEN(type, "ide", addr - type)) {
        diskAddr->type = DISK_ADDR_TYPE_IDE;
        return str2IDEAddress(addr + 1, &diskAddr->addr.ide);
    }

    return -1;
}

static bool
cmdAttachDisk(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    const char *source = NULL, *target = NULL, *driver = NULL,
                *subdriver = NULL, *type = NULL, *mode = NULL,
                *cache = NULL, *serial = NULL, *straddr = NULL;
    struct DiskAddress diskAddr;
    bool isFile = false, functionReturn = false;
    int ret;
    unsigned int flags;
    const char *stype = NULL;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
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    char *xml = NULL;
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    struct stat st;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
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        return false;
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    if (vshCommandOptStringReq(ctl, cmd, "source", &source) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "target", &target) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "driver", &driver) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "subdriver", &subdriver) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "type", &type) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "mode", &mode) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "cache", &cache) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "serial", &serial) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "address", &straddr) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "sourcetype", &stype) < 0)
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        goto cleanup;

    if (!stype) {
        if (driver && (STREQ(driver, "file") || STREQ(driver, "tap"))) {
            isFile = true;
        } else {
            if (source && !stat(source, &st))
                isFile = S_ISREG(st.st_mode) ? true : false;
        }
    } else if (STREQ(stype, "file")) {
        isFile = true;
    } else if (STRNEQ(stype, "block")) {
        vshError(ctl, _("Unknown source type: '%s'"), stype);
        goto cleanup;
    }

    if (mode) {
        if (STRNEQ(mode, "readonly") && STRNEQ(mode, "shareable")) {
            vshError(ctl, _("No support for %s in command 'attach-disk'"),
                     mode);
            goto cleanup;
        }
    }

    /* Make XML of disk */
    virBufferAsprintf(&buf, "<disk type='%s'",
                      (isFile) ? "file" : "block");
    if (type)
        virBufferAsprintf(&buf, " device='%s'", type);
    if (vshCommandOptBool(cmd, "rawio"))
        virBufferAddLit(&buf, " rawio='yes'");
    virBufferAddLit(&buf, ">\n");

    if (driver || subdriver || cache) {
        virBufferAsprintf(&buf, "  <driver");

        if (driver)
            virBufferAsprintf(&buf, " name='%s'", driver);
        if (subdriver)
            virBufferAsprintf(&buf, " type='%s'", subdriver);
        if (cache)
            virBufferAsprintf(&buf, " cache='%s'", cache);

        virBufferAddLit(&buf, "/>\n");
    }

    if (source)
        virBufferAsprintf(&buf, "  <source %s='%s'/>\n",
                          (isFile) ? "file" : "dev",
                          source);
    virBufferAsprintf(&buf, "  <target dev='%s'/>\n", target);
    if (mode)
        virBufferAsprintf(&buf, "  <%s/>\n", mode);

    if (serial)
        virBufferAsprintf(&buf, "  <serial>%s</serial>\n", serial);

    if (vshCommandOptBool(cmd, "shareable"))
        virBufferAsprintf(&buf, "  <shareable/>\n");

    if (straddr) {
        if (str2DiskAddress(straddr, &diskAddr) != 0) {
            vshError(ctl, _("Invalid address."));
            goto cleanup;
        }

        if (STRPREFIX((const char *)target, "vd")) {
            if (diskAddr.type == DISK_ADDR_TYPE_PCI) {
                virBufferAsprintf(&buf,
                                  "  <address type='pci' domain='0x%04x'"
                                  " bus ='0x%02x' slot='0x%02x' function='0x%0x'",
                                  diskAddr.addr.pci.domain, diskAddr.addr.pci.bus,
                                  diskAddr.addr.pci.slot, diskAddr.addr.pci.function);
                if (vshCommandOptBool(cmd, "multifunction"))
                    virBufferAddLit(&buf, " multifunction='on'");
                virBufferAddLit(&buf, "/>\n");
            } else {
                vshError(ctl, "%s", _("expecting a pci:0000.00.00.00 address."));
                goto cleanup;
            }
        } else if (STRPREFIX((const char *)target, "sd")) {
            if (diskAddr.type == DISK_ADDR_TYPE_SCSI) {
                virBufferAsprintf(&buf,
                                  "  <address type='drive' controller='%d'"
                                  " bus='%d' unit='%d' />\n",
                                  diskAddr.addr.scsi.controller, diskAddr.addr.scsi.bus,
                                  diskAddr.addr.scsi.unit);
            } else {
                vshError(ctl, "%s", _("expecting a scsi:00.00.00 address."));
                goto cleanup;
            }
        } else if (STRPREFIX((const char *)target, "hd")) {
            if (diskAddr.type == DISK_ADDR_TYPE_IDE) {
                virBufferAsprintf(&buf,
                                  "  <address type='drive' controller='%d'"
                                  " bus='%d' unit='%d' />\n",
                                  diskAddr.addr.ide.controller, diskAddr.addr.ide.bus,
                                  diskAddr.addr.ide.unit);
            } else {
                vshError(ctl, "%s", _("expecting an ide:00.00.00 address."));
                goto cleanup;
            }
        }
    }

    virBufferAddLit(&buf, "</disk>\n");

    if (virBufferError(&buf)) {
        vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
        return false;
    }

    xml = virBufferContentAndReset(&buf);

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    if (vshCommandOptBool(cmd, "print-xml")) {
        vshPrint(ctl, "%s", xml);
        functionReturn = true;
        goto cleanup;
    }

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    if (vshCommandOptBool(cmd, "config")) {
        flags = VIR_DOMAIN_AFFECT_CONFIG;
        if (virDomainIsActive(dom) == 1)
            flags |= VIR_DOMAIN_AFFECT_LIVE;
        ret = virDomainAttachDeviceFlags(dom, xml, flags);
    } else {
        ret = virDomainAttachDevice(dom, xml);
    }

    if (ret != 0) {
        vshError(ctl, "%s", _("Failed to attach disk"));
    } else {
        vshPrint(ctl, "%s", _("Disk attached successfully\n"));
        functionReturn = true;
    }

 cleanup:
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    VIR_FREE(xml);
    virDomainFree(dom);
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    virBufferFreeAndReset(&buf);
    return functionReturn;
}

/*
 * "attach-interface" command
 */
static const vshCmdInfo info_attach_interface[] = {
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    {.name = "help",
     .data = N_("attach network interface")
    },
    {.name = "desc",
     .data = N_("Attach new network interface.")
    },
    {.name = NULL}
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};

static const vshCmdOptDef opts_attach_interface[] = {
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    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "type",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("network interface type")
    },
    {.name = "source",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("source of network interface")
    },
    {.name = "target",
     .type = VSH_OT_DATA,
     .help = N_("target network name")
    },
    {.name = "mac",
     .type = VSH_OT_DATA,
     .help = N_("MAC address")
    },
    {.name = "script",
     .type = VSH_OT_DATA,
     .help = N_("script used to bridge network interface")
    },
    {.name = "model",
     .type = VSH_OT_DATA,
     .help = N_("model type")
    },
    {.name = "persistent",
     .type = VSH_OT_ALIAS,
     .help = "config"
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "inbound",
     .type = VSH_OT_DATA,
     .help = N_("control domain's incoming traffics")
    },
    {.name = "outbound",
     .type = VSH_OT_DATA,
     .help = N_("control domain's outgoing traffics")
    },
    {.name = NULL}
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};

/* parse inbound and outbound which are in the format of
 * 'average,peak,burst', in which peak and burst are optional,
 * thus 'average,,burst' and 'average,peak' are also legal. */
static int parseRateStr(const char *rateStr, virNetDevBandwidthRatePtr rate)
{
    const char *average = NULL;
    char *peak = NULL, *burst = NULL;

    average = rateStr;
    if (!average)
        return -1;
    if (virStrToLong_ull(average, &peak, 10, &rate->average) < 0)
        return -1;

    /* peak will be updated to point to the end of rateStr in case
     * of 'average' */
    if (peak && *peak != '\0') {
        burst = strchr(peak + 1, ',');
        if (!(burst && (burst - peak == 1))) {
            if (virStrToLong_ull(peak + 1, &burst, 10, &rate->peak) < 0)
                return -1;
        }

        /* burst will be updated to point to the end of rateStr in case
         * of 'average,peak' */
        if (burst && *burst != '\0') {
            if (virStrToLong_ull(burst + 1, NULL, 10, &rate->burst) < 0)
                return -1;
        }
    }


    return 0;
}

static bool
cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    const char *mac = NULL, *target = NULL, *script = NULL,
                *type = NULL, *source = NULL, *model = NULL,
                *inboundStr = NULL, *outboundStr = NULL;
    virNetDevBandwidthRate inbound, outbound;
    int typ;
    int ret;
    bool functionReturn = false;
    unsigned int flags;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    char *xml;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        goto cleanup;

756 757 758 759 760 761 762 763
    if (vshCommandOptStringReq(ctl, cmd, "type", &type) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "source", &source) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "target", &target) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "mac", &mac) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "script", &script) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "model", &model) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "inbound", &inboundStr) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "outbound", &outboundStr) < 0)
764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875
        goto cleanup;

    /* check interface type */
    if (STREQ(type, "network")) {
        typ = 1;
    } else if (STREQ(type, "bridge")) {
        typ = 2;
    } else {
        vshError(ctl, _("No support for %s in command 'attach-interface'"),
                 type);
        goto cleanup;
    }

    if (inboundStr) {
        memset(&inbound, 0, sizeof(inbound));
        if (parseRateStr(inboundStr, &inbound) < 0) {
            vshError(ctl, _("inbound format is incorrect"));
            goto cleanup;
        }
        if (inbound.average == 0) {
            vshError(ctl, _("inbound average is mandatory"));
            goto cleanup;
        }
    }
    if (outboundStr) {
        memset(&outbound, 0, sizeof(outbound));
        if (parseRateStr(outboundStr, &outbound) < 0) {
            vshError(ctl, _("outbound format is incorrect"));
            goto cleanup;
        }
        if (outbound.average == 0) {
            vshError(ctl, _("outbound average is mandatory"));
            goto cleanup;
        }
    }

    /* Make XML of interface */
    virBufferAsprintf(&buf, "<interface type='%s'>\n", type);

    if (typ == 1)
        virBufferAsprintf(&buf, "  <source network='%s'/>\n", source);
    else if (typ == 2)
        virBufferAsprintf(&buf, "  <source bridge='%s'/>\n", source);

    if (target != NULL)
        virBufferAsprintf(&buf, "  <target dev='%s'/>\n", target);
    if (mac != NULL)
        virBufferAsprintf(&buf, "  <mac address='%s'/>\n", mac);
    if (script != NULL)
        virBufferAsprintf(&buf, "  <script path='%s'/>\n", script);
    if (model != NULL)
        virBufferAsprintf(&buf, "  <model type='%s'/>\n", model);

    if (inboundStr || outboundStr) {
        virBufferAsprintf(&buf, "  <bandwidth>\n");
        if (inboundStr && inbound.average > 0) {
            virBufferAsprintf(&buf, "    <inbound average='%llu'", inbound.average);
            if (inbound.peak > 0)
                virBufferAsprintf(&buf, " peak='%llu'", inbound.peak);
            if (inbound.burst > 0)
                virBufferAsprintf(&buf, " burst='%llu'", inbound.burst);
            virBufferAsprintf(&buf, "/>\n");
        }
        if (outboundStr && outbound.average > 0) {
            virBufferAsprintf(&buf, "    <outbound average='%llu'", outbound.average);
            if (outbound.peak > 0)
                virBufferAsprintf(&buf, " peak='%llu'", outbound.peak);
            if (outbound.burst > 0)
                virBufferAsprintf(&buf, " burst='%llu'", outbound.burst);
            virBufferAsprintf(&buf, "/>\n");
        }
        virBufferAsprintf(&buf, "  </bandwidth>\n");
    }

    virBufferAddLit(&buf, "</interface>\n");

    if (virBufferError(&buf)) {
        vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
        goto cleanup;
    }

    xml = virBufferContentAndReset(&buf);

    if (vshCommandOptBool(cmd, "config")) {
        flags = VIR_DOMAIN_AFFECT_CONFIG;
        if (virDomainIsActive(dom) == 1)
            flags |= VIR_DOMAIN_AFFECT_LIVE;
        ret = virDomainAttachDeviceFlags(dom, xml, flags);
    } else {
        ret = virDomainAttachDevice(dom, xml);
    }

    VIR_FREE(xml);

    if (ret != 0) {
        vshError(ctl, "%s", _("Failed to attach interface"));
    } else {
        vshPrint(ctl, "%s", _("Interface attached successfully\n"));
        functionReturn = true;
    }

 cleanup:
    if (dom)
        virDomainFree(dom);
    virBufferFreeAndReset(&buf);
    return functionReturn;
}

/*
 * "autostart" command
 */
static const vshCmdInfo info_autostart[] = {
876 877 878 879 880 881 882
    {.name = "help",
     .data = N_("autostart a domain")
    },
    {.name = "desc",
     .data = N_("Configure a domain to be automatically started at boot.")
    },
    {.name = NULL}
883 884 885
};

static const vshCmdOptDef opts_autostart[] = {
886 887 888 889 890 891 892 893 894 895
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "disable",
     .type = VSH_OT_BOOL,
     .help = N_("disable autostarting")
    },
    {.name = NULL}
896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
};

static bool
cmdAutostart(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name;
    int autostart;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    autostart = !vshCommandOptBool(cmd, "disable");

    if (virDomainSetAutostart(dom, autostart) < 0) {
        if (autostart)
            vshError(ctl, _("Failed to mark domain %s as autostarted"), name);
        else
            vshError(ctl, _("Failed to unmark domain %s as autostarted"), name);
        virDomainFree(dom);
        return false;
    }

    if (autostart)
        vshPrint(ctl, _("Domain %s marked as autostarted\n"), name);
    else
        vshPrint(ctl, _("Domain %s unmarked as autostarted\n"), name);

    virDomainFree(dom);
    return true;
}

/*
 * "blkdeviotune" command
 */
static const vshCmdInfo info_blkdeviotune[] = {
932 933 934 935 936 937 938
    {.name = "help",
     .data = N_("Set or query a block device I/O tuning parameters.")
    },
    {.name = "desc",
     .data = N_("Set or query disk I/O parameters such as block throttling.")
    },
    {.name = NULL}
939 940 941
};

static const vshCmdOptDef opts_blkdeviotune[] = {
942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "device",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("block device")
    },
    {.name = "total_bytes_sec",
     .type = VSH_OT_ALIAS,
     .help = "total-bytes-sec"
    },
    {.name = "total-bytes-sec",
     .type = VSH_OT_INT,
     .help = N_("total throughput limit in bytes per second")
    },
    {.name = "read_bytes_sec",
     .type = VSH_OT_ALIAS,
     .help = "read-bytes-sec"
    },
    {.name = "read-bytes-sec",
     .type = VSH_OT_INT,
     .help = N_("read throughput limit in bytes per second")
    },
    {.name = "write_bytes_sec",
     .type = VSH_OT_ALIAS,
     .help = "write-bytes-sec"
    },
    {.name = "write-bytes-sec",
     .type = VSH_OT_INT,
     .help =  N_("write throughput limit in bytes per second")
    },
    {.name = "total_iops_sec",
     .type = VSH_OT_ALIAS,
     .help = "total-iops-sec"
    },
    {.name = "total-iops-sec",
     .type = VSH_OT_INT,
     .help = N_("total I/O operations limit per second")
    },
    {.name = "read_iops_sec",
     .type = VSH_OT_ALIAS,
     .help = "read-iops-sec"
    },
    {.name = "read-iops-sec",
     .type = VSH_OT_INT,
     .help = N_("read I/O operations limit per second")
    },
    {.name = "write_iops_sec",
     .type = VSH_OT_ALIAS,
     .help = "write-iops-sec"
    },
    {.name = "write-iops-sec",
     .type = VSH_OT_INT,
     .help = N_("write I/O operations limit per second")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
1013 1014 1015 1016 1017 1018 1019
};

static bool
cmdBlkdeviotune(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    const char *name, *disk;
1020
    unsigned long long value;
1021
    int nparams = 0;
1022
    int maxparams = 0;
1023
    virTypedParameterPtr params = NULL;
1024 1025
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
    unsigned int i = 0;
1026 1027 1028 1029 1030 1031
    int rv = 0;
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool ret = false;

1032 1033 1034 1035 1036 1037 1038
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
1039 1040 1041 1042

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        goto cleanup;

1043
    if (vshCommandOptStringReq(ctl, cmd, "device", &disk) < 0)
1044 1045
        goto cleanup;

1046 1047
    if ((rv = vshCommandOptULongLong(cmd, "total-bytes-sec", &value)) < 0) {
        goto interror;
1048
    } else if (rv > 0) {
1049 1050 1051 1052
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_TOTAL_BYTES_SEC,
                                    value) < 0)
            goto save_error;
1053 1054
    }

1055 1056
    if ((rv = vshCommandOptULongLong(cmd, "read-bytes-sec", &value)) < 0) {
        goto interror;
1057
    } else if (rv > 0) {
1058 1059 1060 1061
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_READ_BYTES_SEC,
                                    value) < 0)
            goto save_error;
1062 1063
    }

1064 1065
    if ((rv = vshCommandOptULongLong(cmd, "write-bytes-sec", &value)) < 0) {
        goto interror;
1066
    } else if (rv > 0) {
1067 1068 1069 1070
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_WRITE_BYTES_SEC,
                                    value) < 0)
            goto save_error;
1071 1072
    }

1073 1074
    if ((rv = vshCommandOptULongLong(cmd, "total-iops-sec", &value)) < 0) {
        goto interror;
1075
    } else if (rv > 0) {
1076 1077 1078 1079
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_TOTAL_IOPS_SEC,
                                    value) < 0)
            goto save_error;
1080 1081
    }

1082 1083
    if ((rv = vshCommandOptULongLong(cmd, "read-iops-sec", &value)) < 0) {
        goto interror;
1084
    } else if (rv > 0) {
1085 1086 1087 1088
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_READ_IOPS_SEC,
                                    value) < 0)
            goto save_error;
1089 1090
    }

1091 1092
    if ((rv = vshCommandOptULongLong(cmd, "write-iops-sec", &value)) < 0) {
        goto interror;
1093
    } else if (rv > 0) {
1094 1095 1096 1097
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLOCK_IOTUNE_WRITE_IOPS_SEC,
                                    value) < 0)
            goto save_error;
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132
    }

    if (nparams == 0) {
        if (virDomainGetBlockIoTune(dom, NULL, NULL, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get number of block I/O throttle parameters"));
            goto cleanup;
        }

        if (nparams == 0) {
            ret = true;
            goto cleanup;
        }

        params = vshCalloc(ctl, nparams, sizeof(*params));

        if (virDomainGetBlockIoTune(dom, disk, params, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get block I/O throttle parameters"));
            goto cleanup;
        }

        for (i = 0; i < nparams; i++) {
            char *str = vshGetTypedParamValue(ctl, &params[i]);
            vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
            VIR_FREE(str);
        }
    } else {
        if (virDomainSetBlockIoTune(dom, disk, params, nparams, flags) < 0)
            goto error;
    }

    ret = true;

cleanup:
1133
    virTypedParamsFree(params, nparams);
1134 1135 1136
    virDomainFree(dom);
    return ret;

1137 1138
save_error:
    vshSaveLibvirtError();
1139 1140 1141
error:
    vshError(ctl, "%s", _("Unable to change block I/O throttle"));
    goto cleanup;
1142 1143 1144 1145

interror:
    vshError(ctl, "%s", _("Unable to parse integer parameter"));
    goto cleanup;
1146 1147 1148 1149 1150 1151
}

/*
 * "blkiotune" command
 */
static const vshCmdInfo info_blkiotune[] = {
1152 1153 1154 1155 1156
    {.name = "help",
     .data = N_("Get or set blkio parameters")
    },
    {.name = "desc",
     .data = N_("Get or set the current blkio parameters for a guest"
1157 1158
                " domain.\n"
                "    To get the blkio parameters use following command: \n\n"
1159 1160 1161
                "    virsh # blkiotune <domain>")
    },
    {.name = NULL}
1162 1163 1164
};

static const vshCmdOptDef opts_blkiotune[] = {
1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "weight",
     .type = VSH_OT_INT,
     .help = N_("IO Weight in range [100, 1000]")
    },
    {.name = "device-weights",
     .type = VSH_OT_STRING,
     .help = N_("per-device IO Weights, in the form of /path/to/device,weight,...")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
1191 1192 1193 1194 1195 1196 1197 1198 1199
};

static bool
cmdBlkiotune(vshControl * ctl, const vshCmd * cmd)
{
    virDomainPtr dom;
    const char *device_weight = NULL;
    int weight = 0;
    int nparams = 0;
1200
    int maxparams = 0;
1201 1202
    int rv = 0;
    unsigned int i = 0;
1203
    virTypedParameterPtr params = NULL;
1204
    bool ret = false;
1205
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
1206 1207 1208 1209
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");

1210 1211 1212 1213 1214 1215 1216
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
1217 1218 1219 1220 1221

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if ((rv = vshCommandOptInt(cmd, "weight", &weight)) < 0) {
1222
        vshError(ctl, "%s", _("Unable to parse integer parameter"));
1223
        goto cleanup;
1224
    } else if (rv > 0) {
1225 1226 1227 1228
        if (weight <= 0) {
            vshError(ctl, _("Invalid value of %d for I/O weight"), weight);
            goto cleanup;
        }
1229 1230 1231
        if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BLKIO_WEIGHT, weight) < 0)
            goto save_error;
1232 1233 1234 1235
    }

    rv = vshCommandOptString(cmd, "device-weights", &device_weight);
    if (rv < 0) {
1236
        vshError(ctl, "%s", _("Unable to parse string parameter"));
1237
        goto cleanup;
1238 1239 1240 1241 1242
    } else if (rv > 0) {
        if (virTypedParamsAddString(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_BLKIO_DEVICE_WEIGHT,
                                    device_weight) < 0)
            goto save_error;
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
    }

    if (nparams == 0) {
        /* get the number of blkio parameters */
        if (virDomainGetBlkioParameters(dom, NULL, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get number of blkio parameters"));
            goto cleanup;
        }

        if (nparams == 0) {
            /* nothing to output */
            ret = true;
            goto cleanup;
        }

        /* now go get all the blkio parameters */
        params = vshCalloc(ctl, nparams, sizeof(*params));
        if (virDomainGetBlkioParameters(dom, params, &nparams, flags) != 0) {
            vshError(ctl, "%s", _("Unable to get blkio parameters"));
            goto cleanup;
        }

        for (i = 0; i < nparams; i++) {
            char *str = vshGetTypedParamValue(ctl, &params[i]);
            vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
            VIR_FREE(str);
        }
    } else {
        /* set the blkio parameters */
1273 1274
        if (virDomainSetBlkioParameters(dom, params, nparams, flags) < 0)
            goto error;
1275 1276 1277 1278
    }

    ret = true;

1279 1280
cleanup:
    virTypedParamsFree(params, nparams);
1281 1282
    virDomainFree(dom);
    return ret;
1283 1284 1285 1286 1287 1288

save_error:
    vshSaveLibvirtError();
error:
    vshError(ctl, "%s", _("Unable to change blkio parameters"));
    goto cleanup;
1289 1290 1291 1292 1293 1294 1295 1296
}

typedef enum {
    VSH_CMD_BLOCK_JOB_ABORT = 0,
    VSH_CMD_BLOCK_JOB_INFO = 1,
    VSH_CMD_BLOCK_JOB_SPEED = 2,
    VSH_CMD_BLOCK_JOB_PULL = 3,
    VSH_CMD_BLOCK_JOB_COPY = 4,
E
Eric Blake 已提交
1297
    VSH_CMD_BLOCK_JOB_COMMIT = 5,
1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309
} vshCmdBlockJobMode;

static int
blockJobImpl(vshControl *ctl, const vshCmd *cmd,
             virDomainBlockJobInfoPtr info, int mode,
             virDomainPtr *pdom)
{
    virDomainPtr dom = NULL;
    const char *name, *path;
    unsigned long bandwidth = 0;
    int ret = -1;
    const char *base = NULL;
E
Eric Blake 已提交
1310
    const char *top = NULL;
1311 1312 1313 1314 1315
    unsigned int flags = 0;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        goto cleanup;

1316
    if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
1317 1318 1319 1320 1321 1322 1323 1324
        goto cleanup;

    if (vshCommandOptUL(cmd, "bandwidth", &bandwidth) < 0) {
        vshError(ctl, "%s", _("bandwidth must be a number"));
        goto cleanup;
    }

    switch ((vshCmdBlockJobMode) mode) {
E
Eric Blake 已提交
1325
    case VSH_CMD_BLOCK_JOB_ABORT:
1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
        if (vshCommandOptBool(cmd, "async"))
            flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
        if (vshCommandOptBool(cmd, "pivot"))
            flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT;
        ret = virDomainBlockJobAbort(dom, path, flags);
        break;
    case VSH_CMD_BLOCK_JOB_INFO:
        ret = virDomainGetBlockJobInfo(dom, path, info, 0);
        break;
    case VSH_CMD_BLOCK_JOB_SPEED:
        ret = virDomainBlockJobSetSpeed(dom, path, bandwidth, 0);
        break;
    case VSH_CMD_BLOCK_JOB_PULL:
1339
        if (vshCommandOptStringReq(ctl, cmd, "base", &base) < 0)
1340 1341 1342 1343 1344 1345
            goto cleanup;
        if (base)
            ret = virDomainBlockRebase(dom, path, base, bandwidth, 0);
        else
            ret = virDomainBlockPull(dom, path, bandwidth, 0);
        break;
E
Eric Blake 已提交
1346
    case VSH_CMD_BLOCK_JOB_COMMIT:
1347 1348
        if (vshCommandOptStringReq(ctl, cmd, "base", &base) < 0 ||
            vshCommandOptStringReq(ctl, cmd, "top", &top) < 0)
E
Eric Blake 已提交
1349 1350 1351 1352 1353 1354 1355
            goto cleanup;
        if (vshCommandOptBool(cmd, "shallow"))
            flags |= VIR_DOMAIN_BLOCK_COMMIT_SHALLOW;
        if (vshCommandOptBool(cmd, "delete"))
            flags |= VIR_DOMAIN_BLOCK_COMMIT_DELETE;
        ret = virDomainBlockCommit(dom, path, base, top, bandwidth, flags);
        break;
1356 1357 1358 1359 1360 1361 1362 1363
    case VSH_CMD_BLOCK_JOB_COPY:
        flags |= VIR_DOMAIN_BLOCK_REBASE_COPY;
        if (vshCommandOptBool(cmd, "shallow"))
            flags |= VIR_DOMAIN_BLOCK_REBASE_SHALLOW;
        if (vshCommandOptBool(cmd, "reuse-external"))
            flags |= VIR_DOMAIN_BLOCK_REBASE_REUSE_EXT;
        if (vshCommandOptBool(cmd, "raw"))
            flags |= VIR_DOMAIN_BLOCK_REBASE_COPY_RAW;
1364
        if (vshCommandOptStringReq(ctl, cmd, "dest", &base) < 0)
1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404
            goto cleanup;
        ret = virDomainBlockRebase(dom, path, base, bandwidth, flags);
    }

cleanup:
    if (pdom && ret == 0)
        *pdom = dom;
    else if (dom)
        virDomainFree(dom);
    return ret;
}

static void
print_job_progress(const char *label, unsigned long long remaining,
                   unsigned long long total)
{
    int progress;

    if (total == 0)
        /* migration has not been started */
        return;

    if (remaining == 0) {
        /* migration has completed */
        progress = 100;
    } else {
        /* use float to avoid overflow */
        progress = (int)(100.0 - remaining * 100.0 / total);
        if (progress >= 100) {
            /* migration has not completed, do not print [100 %] */
            progress = 99;
        }
    }

    /* see comments in vshError about why we must flush */
    fflush(stdout);
    fprintf(stderr, "\r%s: [%3d %%]", label, progress);
    fflush(stderr);
}

E
Eric Blake 已提交
1405 1406 1407 1408 1409 1410 1411 1412 1413
static volatile sig_atomic_t intCaught = 0;

static void vshCatchInt(int sig ATTRIBUTE_UNUSED,
                        siginfo_t *siginfo ATTRIBUTE_UNUSED,
                        void *context ATTRIBUTE_UNUSED)
{
    intCaught = 1;
}

E
Eric Blake 已提交
1414 1415 1416 1417
/*
 * "blockcommit" command
 */
static const vshCmdInfo info_block_commit[] = {
1418 1419 1420 1421 1422 1423 1424
    {.name = "help",
     .data = N_("Start a block commit operation.")
    },
    {.name = "desc",
     .data = N_("Commit changes from a snapshot down to its backing image.")
    },
    {.name = NULL}
E
Eric Blake 已提交
1425 1426 1427
};

static const vshCmdOptDef opts_block_commit[] = {
1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("fully-qualified path of disk")
    },
    {.name = "bandwidth",
     .type = VSH_OT_DATA,
     .help = N_("bandwidth limit in MiB/s")
    },
    {.name = "base",
     .type = VSH_OT_DATA,
     .help = N_("path of base file to commit into (default bottom of chain)")
    },
    {.name = "shallow",
     .type = VSH_OT_BOOL,
     .help = N_("use backing file of top as base")
    },
    {.name = "top",
     .type = VSH_OT_DATA,
     .help = N_("path of top file to commit from (default top of chain)")
    },
    {.name = "delete",
     .type = VSH_OT_BOOL,
     .help = N_("delete files that were successfully committed")
    },
    {.name = "wait",
     .type = VSH_OT_BOOL,
     .help = N_("wait for job to complete")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, display the progress")
    },
    {.name = "timeout",
     .type = VSH_OT_INT,
     .help = N_("with --wait, abort if copy exceeds timeout (in seconds)")
    },
    {.name = NULL}
E
Eric Blake 已提交
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
};

static bool
cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    bool blocking = vshCommandOptBool(cmd, "wait");
    bool verbose = vshCommandOptBool(cmd, "verbose");
    int timeout = 0;
    struct sigaction sig_action;
    struct sigaction old_sig_action;
1483
    sigset_t sigmask, oldsigmask;
E
Eric Blake 已提交
1484 1485 1486 1487 1488
    struct timeval start;
    struct timeval curr;
    const char *path = NULL;
    bool quit = false;
    int abort_flags = 0;
1489
    int rv;
E
Eric Blake 已提交
1490 1491

    if (blocking) {
1492 1493 1494 1495 1496
        if ((rv = vshCommandOptInt(cmd, "timeout", &timeout)) < 0 ||
            (rv > 0 && timeout < 1)) {
            vshError(ctl, "%s", _("invalid timeout"));
            return false;
        } else if (rv > 0) {
E
Eric Blake 已提交
1497 1498 1499 1500 1501 1502 1503
            /* Ensure that we can multiply by 1000 without overflowing. */
            if (timeout > INT_MAX / 1000) {
                vshError(ctl, "%s", _("timeout is too big"));
                return false;
            }
            timeout *= 1000;
        }
1504
        if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
E
Eric Blake 已提交
1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535
            return false;
        if (vshCommandOptBool(cmd, "async"))
            abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;

        sigemptyset(&sigmask);
        sigaddset(&sigmask, SIGINT);

        intCaught = 0;
        sig_action.sa_sigaction = vshCatchInt;
        sig_action.sa_flags = SA_SIGINFO;
        sigemptyset(&sig_action.sa_mask);
        sigaction(SIGINT, &sig_action, &old_sig_action);

        GETTIMEOFDAY(&start);
    } else if (verbose || vshCommandOptBool(cmd, "timeout") ||
               vshCommandOptBool(cmd, "async")) {
        vshError(ctl, "%s", _("missing --wait option"));
        return false;
    }

    if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_COMMIT, &dom) < 0)
        goto cleanup;

    if (!blocking) {
        vshPrint(ctl, "%s", _("Block Commit started"));
        ret = true;
        goto cleanup;
    }

    while (blocking) {
        virDomainBlockJobInfo info;
1536 1537 1538 1539 1540
        int result;

        pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
        result = virDomainGetBlockJobInfo(dom, path, &info, 0);
        pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
E
Eric Blake 已提交
1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588

        if (result < 0) {
            vshError(ctl, _("failed to query job for disk %s"), path);
            goto cleanup;
        }
        if (result == 0)
            break;

        if (verbose)
            print_job_progress(_("Block Commit"),
                               info.end - info.cur, info.end);

        GETTIMEOFDAY(&curr);
        if (intCaught || (timeout &&
                          (((int)(curr.tv_sec - start.tv_sec)  * 1000 +
                            (int)(curr.tv_usec - start.tv_usec) / 1000) >
                           timeout))) {
            vshDebug(ctl, VSH_ERR_DEBUG,
                     intCaught ? "interrupted" : "timeout");
            intCaught = 0;
            timeout = 0;
            quit = true;
            if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
                vshError(ctl, _("failed to abort job for disk %s"), path);
                goto cleanup;
            }
            if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
                break;
        } else {
            usleep(500 * 1000);
        }
    }

    if (verbose && !quit) {
        /* printf [100 %] */
        print_job_progress(_("Block Commit"), 0, 1);
    }
    vshPrint(ctl, "\n%s", quit ? _("Commit aborted") : _("Commit complete"));

    ret = true;
cleanup:
    if (dom)
        virDomainFree(dom);
    if (blocking)
        sigaction(SIGINT, &old_sig_action, NULL);
    return ret;
}

1589 1590 1591 1592
/*
 * "blockcopy" command
 */
static const vshCmdInfo info_block_copy[] = {
1593 1594 1595 1596
    {.name = "help",
     .data = N_("Start a block copy operation.")
    },
    {.name = "desc",
1597
     .data = N_("Copy a disk backing image chain to dest.")
1598 1599
    },
    {.name = NULL}
1600 1601 1602
};

static const vshCmdOptDef opts_block_copy[] = {
1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("fully-qualified path of disk")
    },
    {.name = "dest",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("path of the copy to create")
    },
    {.name = "bandwidth",
     .type = VSH_OT_DATA,
     .help = N_("bandwidth limit in MiB/s")
    },
    {.name = "shallow",
     .type = VSH_OT_BOOL,
     .help = N_("make the copy share a backing chain")
    },
    {.name = "reuse-external",
     .type = VSH_OT_BOOL,
     .help = N_("reuse existing destination")
    },
    {.name = "raw",
     .type = VSH_OT_BOOL,
     .help = N_("use raw destination file")
    },
    {.name = "wait",
     .type = VSH_OT_BOOL,
     .help = N_("wait for job to reach mirroring phase")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, display the progress")
    },
    {.name = "timeout",
     .type = VSH_OT_INT,
     .help = N_("with --wait, abort if copy exceeds timeout (in seconds)")
    },
    {.name = "pivot",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, pivot when mirroring starts")
    },
    {.name = "finish",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, quit when mirroring starts")
    },
    {.name = "async",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, don't wait for cancel to finish")
    },
    {.name = NULL}
1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672
};

static bool
cmdBlockCopy(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    bool blocking = vshCommandOptBool(cmd, "wait");
    bool verbose = vshCommandOptBool(cmd, "verbose");
    bool pivot = vshCommandOptBool(cmd, "pivot");
    bool finish = vshCommandOptBool(cmd, "finish");
    int timeout = 0;
    struct sigaction sig_action;
    struct sigaction old_sig_action;
1673
    sigset_t sigmask, oldsigmask;
1674 1675 1676 1677 1678
    struct timeval start;
    struct timeval curr;
    const char *path = NULL;
    bool quit = false;
    int abort_flags = 0;
1679
    int rv;
1680 1681 1682 1683 1684 1685

    if (blocking) {
        if (pivot && finish) {
            vshError(ctl, "%s", _("cannot mix --pivot and --finish"));
            return false;
        }
1686 1687 1688 1689 1690
        if ((rv = vshCommandOptInt(cmd, "timeout", &timeout)) < 0 ||
            (rv > 0 && timeout < 1)) {
            vshError(ctl, "%s", _("invalid timeout"));
            return false;
        } else if (rv > 0) {
1691 1692
            /* Ensure that we can multiply by 1000 without overflowing. */
            if (timeout > INT_MAX / 1000) {
1693
                vshError(ctl, "%s", _("timeout is too big"));
1694 1695
                return false;
            }
E
Eric Blake 已提交
1696
            timeout *= 1000;
1697
        }
1698
        if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714
            return false;
        if (vshCommandOptBool(cmd, "async"))
            abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;

        sigemptyset(&sigmask);
        sigaddset(&sigmask, SIGINT);

        intCaught = 0;
        sig_action.sa_sigaction = vshCatchInt;
        sig_action.sa_flags = SA_SIGINFO;
        sigemptyset(&sig_action.sa_mask);
        sigaction(SIGINT, &sig_action, &old_sig_action);

        GETTIMEOFDAY(&start);
    } else if (verbose || vshCommandOptBool(cmd, "timeout") ||
               vshCommandOptBool(cmd, "async") || pivot || finish) {
E
Eric Blake 已提交
1715
        vshError(ctl, "%s", _("missing --wait option"));
1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729
        return false;
    }

    if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_COPY, &dom) < 0)
        goto cleanup;

    if (!blocking) {
        vshPrint(ctl, "%s", _("Block Copy started"));
        ret = true;
        goto cleanup;
    }

    while (blocking) {
        virDomainBlockJobInfo info;
1730 1731 1732 1733 1734
        int result;

        pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
        result = virDomainGetBlockJobInfo(dom, path, &info, 0);
        pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748

        if (result <= 0) {
            vshError(ctl, _("failed to query job for disk %s"), path);
            goto cleanup;
        }
        if (verbose)
            print_job_progress(_("Block Copy"), info.end - info.cur, info.end);
        if (info.cur == info.end)
            break;

        GETTIMEOFDAY(&curr);
        if (intCaught || (timeout &&
                          (((int)(curr.tv_sec - start.tv_sec)  * 1000 +
                            (int)(curr.tv_usec - start.tv_usec) / 1000) >
E
Eric Blake 已提交
1749
                           timeout))) {
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794
            vshDebug(ctl, VSH_ERR_DEBUG,
                     intCaught ? "interrupted" : "timeout");
            intCaught = 0;
            timeout = 0;
            quit = true;
            if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
                vshError(ctl, _("failed to abort job for disk %s"), path);
                goto cleanup;
            }
            if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
                break;
        } else {
            usleep(500 * 1000);
        }
    }

    if (pivot) {
        abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT;
        if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
            vshError(ctl, _("failed to pivot job for disk %s"), path);
            goto cleanup;
        }
    } else if (finish && virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
        vshError(ctl, _("failed to finish job for disk %s"), path);
        goto cleanup;
    }
    vshPrint(ctl, "\n%s",
             quit ? _("Copy aborted") :
             pivot ? _("Successfully pivoted") :
             finish ? _("Successfully copied") :
             _("Now in mirroring phase"));

    ret = true;
cleanup:
    if (dom)
        virDomainFree(dom);
    if (blocking)
        sigaction(SIGINT, &old_sig_action, NULL);
    return ret;
}

/*
 * "blockjob" command
 */
static const vshCmdInfo info_block_job[] = {
1795 1796 1797 1798 1799 1800 1801
    {.name = "help",
     .data = N_("Manage active block operations")
    },
    {.name = "desc",
     .data = N_("Query, adjust speed, or cancel active block operations.")
    },
    {.name = NULL}
1802 1803 1804
};

static const vshCmdOptDef opts_block_job[] = {
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("fully-qualified path of disk")
    },
    {.name = "abort",
     .type = VSH_OT_BOOL,
     .help = N_("abort the active job on the specified disk")
    },
    {.name = "async",
     .type = VSH_OT_BOOL,
     .help = N_("don't wait for --abort to complete")
    },
    {.name = "pivot",
     .type = VSH_OT_BOOL,
     .help = N_("conclude and pivot a copy job")
    },
    {.name = "info",
     .type = VSH_OT_BOOL,
     .help = N_("get active job information for the specified disk")
    },
    {.name = "bandwidth",
     .type = VSH_OT_DATA,
     .help = N_("set the Bandwidth limit in MiB/s")
    },
    {.name = NULL}
1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892
};

static bool
cmdBlockJob(vshControl *ctl, const vshCmd *cmd)
{
    int mode;
    virDomainBlockJobInfo info;
    const char *type;
    int ret;
    bool abortMode = (vshCommandOptBool(cmd, "abort") ||
                      vshCommandOptBool(cmd, "async") ||
                      vshCommandOptBool(cmd, "pivot"));
    bool infoMode = vshCommandOptBool(cmd, "info");
    bool bandwidth = vshCommandOptBool(cmd, "bandwidth");

    if (abortMode + infoMode + bandwidth > 1) {
        vshError(ctl, "%s",
                 _("conflict between --abort, --info, and --bandwidth modes"));
        return false;
    }

    if (abortMode)
        mode = VSH_CMD_BLOCK_JOB_ABORT;
    else if (bandwidth)
        mode = VSH_CMD_BLOCK_JOB_SPEED;
    else
        mode = VSH_CMD_BLOCK_JOB_INFO;

    ret = blockJobImpl(ctl, cmd, &info, mode, NULL);
    if (ret < 0)
        return false;

    if (ret == 0 || mode != VSH_CMD_BLOCK_JOB_INFO)
        return true;

    switch (info.type) {
    case VIR_DOMAIN_BLOCK_JOB_TYPE_PULL:
        type = _("Block Pull");
        break;
    case VIR_DOMAIN_BLOCK_JOB_TYPE_COPY:
        type = _("Block Copy");
        break;
    default:
        type = _("Unknown job");
        break;
    }

    print_job_progress(type, info.end - info.cur, info.end);
    if (info.bandwidth != 0)
        vshPrint(ctl, _("    Bandwidth limit: %lu MiB/s\n"), info.bandwidth);
    return true;
}

/*
 * "blockpull" command
 */
static const vshCmdInfo info_block_pull[] = {
1893 1894 1895 1896 1897 1898 1899
    {.name = "help",
     .data = N_("Populate a disk from its backing image.")
    },
    {.name = "desc",
     .data = N_("Populate a disk from its backing image.")
    },
    {.name = NULL}
1900 1901 1902
};

static const vshCmdOptDef opts_block_pull[] = {
1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("fully-qualified path of disk")
    },
    {.name = "bandwidth",
     .type = VSH_OT_DATA,
     .help = N_("bandwidth limit in MiB/s")
    },
    {.name = "base",
     .type = VSH_OT_DATA,
     .help = N_("path of backing file in chain for a partial pull")
    },
    {.name = "wait",
     .type = VSH_OT_BOOL,
     .help = N_("wait for job to finish")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, display the progress")
    },
    {.name = "timeout",
     .type = VSH_OT_INT,
     .help = N_("with --wait, abort if pull exceeds timeout (in seconds)")
    },
    {.name = "async",
     .type = VSH_OT_BOOL,
     .help = N_("with --wait, don't wait for cancel to finish")
    },
    {.name = NULL}
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949
};

static bool
cmdBlockPull(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    bool blocking = vshCommandOptBool(cmd, "wait");
    bool verbose = vshCommandOptBool(cmd, "verbose");
    int timeout = 0;
    struct sigaction sig_action;
    struct sigaction old_sig_action;
1950
    sigset_t sigmask, oldsigmask;
1951 1952 1953 1954 1955
    struct timeval start;
    struct timeval curr;
    const char *path = NULL;
    bool quit = false;
    int abort_flags = 0;
1956
    int rv;
1957 1958

    if (blocking) {
1959 1960 1961 1962 1963
        if ((rv = vshCommandOptInt(cmd, "timeout", &timeout)) < 0 ||
            (rv > 0 && timeout < 1)) {
            vshError(ctl, "%s", _("invalid timeout"));
            return false;
        } else if (rv > 0) {
1964 1965 1966 1967 1968
            /* Ensure that we can multiply by 1000 without overflowing. */
            if (timeout > INT_MAX / 1000) {
                vshError(ctl, "%s", _("timeout is too big"));
                return false;
            }
E
Eric Blake 已提交
1969
            timeout *= 1000;
1970
        }
1971
        if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987
            return false;
        if (vshCommandOptBool(cmd, "async"))
            abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;

        sigemptyset(&sigmask);
        sigaddset(&sigmask, SIGINT);

        intCaught = 0;
        sig_action.sa_sigaction = vshCatchInt;
        sig_action.sa_flags = SA_SIGINFO;
        sigemptyset(&sig_action.sa_mask);
        sigaction(SIGINT, &sig_action, &old_sig_action);

        GETTIMEOFDAY(&start);
    } else if (verbose || vshCommandOptBool(cmd, "timeout") ||
               vshCommandOptBool(cmd, "async")) {
E
Eric Blake 已提交
1988
        vshError(ctl, "%s", _("missing --wait option"));
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
        return false;
    }

    if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_PULL, &dom) < 0)
        goto cleanup;

    if (!blocking) {
        vshPrint(ctl, "%s", _("Block Pull started"));
        ret = true;
        goto cleanup;
    }

    while (blocking) {
        virDomainBlockJobInfo info;
2003 2004 2005 2006 2007
        int result;

        pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
        result = virDomainGetBlockJobInfo(dom, path, &info, 0);
        pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

        if (result < 0) {
            vshError(ctl, _("failed to query job for disk %s"), path);
            goto cleanup;
        }
        if (result == 0)
            break;

        if (verbose)
            print_job_progress(_("Block Pull"), info.end - info.cur, info.end);

        GETTIMEOFDAY(&curr);
        if (intCaught || (timeout &&
                          (((int)(curr.tv_sec - start.tv_sec)  * 1000 +
                            (int)(curr.tv_usec - start.tv_usec) / 1000) >
E
Eric Blake 已提交
2023
                           timeout))) {
2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058
            vshDebug(ctl, VSH_ERR_DEBUG,
                     intCaught ? "interrupted" : "timeout");
            intCaught = 0;
            timeout = 0;
            quit = true;
            if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
                vshError(ctl, _("failed to abort job for disk %s"), path);
                goto cleanup;
            }
            if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
                break;
        } else {
            usleep(500 * 1000);
        }
    }

    if (verbose && !quit) {
        /* printf [100 %] */
        print_job_progress(_("Block Pull"), 0, 1);
    }
    vshPrint(ctl, "\n%s", quit ? _("Pull aborted") : _("Pull complete"));

    ret = true;
cleanup:
    if (dom)
        virDomainFree(dom);
    if (blocking)
        sigaction(SIGINT, &old_sig_action, NULL);
    return ret;
}

/*
 * "blockresize" command
 */
static const vshCmdInfo info_block_resize[] = {
2059 2060 2061 2062 2063 2064 2065
    {.name = "help",
     .data = N_("Resize block device of domain.")
    },
    {.name = "desc",
     .data = N_("Resize block device of domain.")
    },
    {.name = NULL}
2066 2067 2068
};

static const vshCmdOptDef opts_block_resize[] = {
2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("Fully-qualified path of block device")
    },
    {.name = "size",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("New size of the block device, as scaled integer (default KiB)")
    },
    {.name = NULL}
2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095
};

static bool
cmdBlockResize(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *path = NULL;
    unsigned long long size = 0;
    unsigned int flags = 0;
    int ret = false;

2096
    if (vshCommandOptStringReq(ctl, cmd, "path", (const char **) &path) < 0)
2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128
        return false;

    if (vshCommandOptScaledInt(cmd, "size", &size, 1024, ULLONG_MAX) < 0) {
        vshError(ctl, "%s", _("Unable to parse integer"));
        return false;
    }

    /* Prefer the older interface of KiB.  */
    if (size % 1024 == 0)
        size /= 1024;
    else
        flags |= VIR_DOMAIN_BLOCK_RESIZE_BYTES;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (virDomainBlockResize(dom, path, size, flags) < 0) {
        vshError(ctl, _("Failed to resize block device '%s'"), path);
    } else {
        vshPrint(ctl, _("Block device '%s' is resized"), path);
        ret = true;
    }

    virDomainFree(dom);
    return ret;
}

#ifndef WIN32
/*
 * "console" command
 */
static const vshCmdInfo info_console[] = {
2129 2130 2131 2132 2133 2134 2135
    {.name = "help",
     .data = N_("connect to the guest console")
    },
    {.name = "desc",
     .data = N_("Connect the virtual serial console for the guest")
    },
    {.name = NULL}
2136 2137 2138
};

static const vshCmdOptDef opts_console[] = {
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "devname",
     .type = VSH_OT_STRING,
     .help = N_("character device name")
    },
    {.name = "force",
     .type = VSH_OT_BOOL,
     .help =  N_("force console connection (disconnect already connected sessions)")
    },
    {.name = "safe",
     .type = VSH_OT_BOOL,
     .help =  N_("only connect if safe console handling is supported")
    },
    {.name = NULL}
2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205
};

static bool
cmdRunConsole(vshControl *ctl, virDomainPtr dom,
              const char *name,
              unsigned int flags)
{
    bool ret = false;
    int state;

    if ((state = vshDomainState(ctl, dom, NULL)) < 0) {
        vshError(ctl, "%s", _("Unable to get domain status"));
        goto cleanup;
    }

    if (state == VIR_DOMAIN_SHUTOFF) {
        vshError(ctl, "%s", _("The domain is not running"));
        goto cleanup;
    }

    if (!isatty(STDIN_FILENO)) {
        vshError(ctl, "%s", _("Cannot run interactive console without a controlling TTY"));
        goto cleanup;
    }

    vshPrintExtra(ctl, _("Connected to domain %s\n"), virDomainGetName(dom));
    vshPrintExtra(ctl, _("Escape character is %s\n"), ctl->escapeChar);
    fflush(stdout);
    if (vshRunConsole(dom, name, ctl->escapeChar, flags) == 0)
        ret = true;

 cleanup:

    return ret;
}

static bool
cmdConsole(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = false;
    bool force = vshCommandOptBool(cmd, "force");
    bool safe = vshCommandOptBool(cmd, "safe");
    unsigned int flags = 0;
    const char *name = NULL;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

2206
    if (vshCommandOptStringReq(ctl, cmd, "devname", &name) < 0)
2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219
        goto cleanup;

    if (force)
        flags |= VIR_DOMAIN_CONSOLE_FORCE;
    if (safe)
        flags |= VIR_DOMAIN_CONSOLE_SAFE;

    ret = cmdRunConsole(ctl, dom, name, flags);

cleanup:
    virDomainFree(dom);
    return ret;
}
2220
#endif /* WIN32 */
2221 2222 2223 2224

/* "domif-setlink" command
 */
static const vshCmdInfo info_domif_setlink[] = {
2225 2226 2227 2228 2229 2230 2231 2232
    {.name = "help",
     .data = N_("set link state of a virtual interface")
    },
    {.name = "desc",
     .data = N_("Set link state of a domain's virtual interface. This command "
                "wraps usage of update-device command.")
    },
    {.name = NULL}
2233 2234 2235
};

static const vshCmdOptDef opts_domif_setlink[] = {
2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "interface",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("interface device (MAC Address)")
    },
    {.name = "state",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("new state of the device")
    },
    {.name = "persistent",
     .type = VSH_OT_ALIAS,
     .help = "config"
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = NULL}
2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285
};

static bool
cmdDomIfSetLink(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *iface;
    const char *state;
    const char *value;
    const char *desc;
    virMacAddr macaddr;
    const char *element;
    const char *attr;
    bool config;
    bool ret = false;
    unsigned int flags = 0;
    int i;
    xmlDocPtr xml = NULL;
    xmlXPathContextPtr ctxt = NULL;
    xmlXPathObjectPtr obj = NULL;
    xmlNodePtr cur = NULL;
    xmlBufferPtr xml_buf = NULL;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

2286 2287
    if (vshCommandOptStringReq(ctl, cmd, "interface", &iface) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "state", &state) < 0)
2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
        goto cleanup;

    config = vshCommandOptBool(cmd, "config");

    if (STRNEQ(state, "up") && STRNEQ(state, "down")) {
        vshError(ctl, _("invalid link state '%s'"), state);
        goto cleanup;
    }

    /* get persistent or live description of network device */
    desc = virDomainGetXMLDesc(dom, config ? VIR_DOMAIN_XML_INACTIVE : 0);
    if (desc == NULL) {
        vshError(ctl, _("Failed to get domain description xml"));
        goto cleanup;
    }

    if (config)
        flags = VIR_DOMAIN_AFFECT_CONFIG;
    else
        flags = VIR_DOMAIN_AFFECT_LIVE;

    if (virDomainIsActive(dom) == 0)
        flags = VIR_DOMAIN_AFFECT_CONFIG;

    /* extract current network device description */
    xml = virXMLParseStringCtxt(desc, _("(domain_definition)"), &ctxt);
    VIR_FREE(desc);
    if (!xml) {
        vshError(ctl, _("Failed to parse domain description xml"));
        goto cleanup;
    }

    obj = xmlXPathEval(BAD_CAST "/domain/devices/interface", ctxt);
    if (obj == NULL || obj->type != XPATH_NODESET ||
        obj->nodesetval == NULL || obj->nodesetval->nodeNr == 0) {
        vshError(ctl, _("Failed to extract interface information or no interfaces found"));
        goto cleanup;
    }

    if (virMacAddrParse(iface, &macaddr) == 0) {
        element = "mac";
        attr = "address";
    } else {
        element = "target";
        attr = "dev";
    }

    /* find interface with matching mac addr */
    for (i = 0; i < obj->nodesetval->nodeNr; i++) {
        cur = obj->nodesetval->nodeTab[i]->children;

        while (cur) {
            if (cur->type == XML_ELEMENT_NODE &&
                xmlStrEqual(cur->name, BAD_CAST element)) {
                value = virXMLPropString(cur, attr);

                if (STRCASEEQ(value, iface)) {
                    VIR_FREE(value);
                    goto hit;
                }
                VIR_FREE(value);
            }
            cur = cur->next;
        }
    }

    vshError(ctl, _("interface (%s: %s) not found"), element, iface);
    goto cleanup;

hit:
    /* find and modify/add link state node */
    /* try to find <link> element */
    cur = obj->nodesetval->nodeTab[i]->children;

    while (cur) {
        if (cur->type == XML_ELEMENT_NODE &&
            xmlStrEqual(cur->name, BAD_CAST "link")) {
            /* found, just modify the property */
            xmlSetProp(cur, BAD_CAST "state", BAD_CAST state);

            break;
        }
        cur = cur->next;
    }

    if (!cur) {
        /* element <link> not found, add one */
        cur = xmlNewChild(obj->nodesetval->nodeTab[i],
                          NULL,
                          BAD_CAST "link",
                          NULL);
        if (!cur)
            goto cleanup;

        if (xmlNewProp(cur, BAD_CAST "state", BAD_CAST state) == NULL)
            goto cleanup;
    }

    xml_buf = xmlBufferCreate();
    if (!xml_buf) {
        vshError(ctl, _("Failed to allocate memory"));
        goto cleanup;
    }

2392
    if (xmlNodeDump(xml_buf, xml, obj->nodesetval->nodeTab[i], 0, 0) < 0) {
2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419
        vshError(ctl, _("Failed to create XML"));
        goto cleanup;
    }

    if (virDomainUpdateDeviceFlags(dom, (char *)xmlBufferContent(xml_buf), flags) < 0) {
        vshError(ctl, _("Failed to update interface link state"));
        goto cleanup;
    } else {
        vshPrint(ctl, "%s", _("Device updated successfully\n"));
        ret = true;
    }

cleanup:
    xmlXPathFreeObject(obj);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    xmlBufferFree(xml_buf);

    if (dom)
        virDomainFree(dom);

    return ret;
}

/* "domiftune" command
 */
static const vshCmdInfo info_domiftune[] = {
2420 2421 2422 2423 2424 2425 2426
    {.name = "help",
     .data = N_("get/set parameters of a virtual interface")
    },
    {.name = "desc",
     .data = N_("Get/set parameters of a domain's virtual interface.")
    },
    {.name = NULL}
2427 2428 2429
};

static const vshCmdOptDef opts_domiftune[] = {
2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "interface",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("interface device (MAC Address)")
    },
    {.name = "inbound",
     .type = VSH_OT_DATA,
     .help = N_("control domain's incoming traffics")
    },
    {.name = "outbound",
     .type = VSH_OT_DATA,
     .help = N_("control domain's outgoing traffics")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
2461 2462 2463 2464 2465 2466 2467 2468
};

static bool
cmdDomIftune(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name = NULL, *device = NULL,
               *inboundStr = NULL, *outboundStr = NULL;
2469
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
2470
    int nparams = 0;
2471
    int maxparams = 0;
2472 2473 2474 2475 2476 2477 2478 2479
    virTypedParameterPtr params = NULL;
    bool ret = false;
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    virNetDevBandwidthRate inbound, outbound;
    int i;

2480 2481 2482 2483 2484 2485 2486
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
2487 2488 2489 2490

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

2491
    if (vshCommandOptStringReq(ctl, cmd, "interface", &device) < 0)
2492
        goto cleanup;
2493

2494 2495
    if (vshCommandOptStringReq(ctl, cmd, "inbound", &inboundStr) < 0 ||
        vshCommandOptStringReq(ctl,cmd, "outbound", &outboundStr) < 0)
2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509
        goto cleanup;

    memset(&inbound, 0, sizeof(inbound));
    memset(&outbound, 0, sizeof(outbound));

    if (inboundStr) {
        if (parseRateStr(inboundStr, &inbound) < 0) {
            vshError(ctl, _("inbound format is incorrect"));
            goto cleanup;
        }
        if (inbound.average == 0) {
            vshError(ctl, _("inbound average is mandatory"));
            goto cleanup;
        }
2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526

        if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_IN_AVERAGE,
                                  inbound.average) < 0)
            goto save_error;

        if (inbound.peak &&
            virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_IN_PEAK,
                                  inbound.peak) < 0)
            goto save_error;

        if (inbound.burst &&
            virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_IN_BURST,
                                  inbound.burst) < 0)
            goto save_error;
2527
    }
2528

2529 2530 2531 2532 2533 2534 2535 2536 2537
    if (outboundStr) {
        if (parseRateStr(outboundStr, &outbound) < 0) {
            vshError(ctl, _("outbound format is incorrect"));
            goto cleanup;
        }
        if (outbound.average == 0) {
            vshError(ctl, _("outbound average is mandatory"));
            goto cleanup;
        }
2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554

        if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_OUT_AVERAGE,
                                  outbound.average) < 0)
            goto save_error;

        if (outbound.peak &&
            virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_OUT_PEAK,
                                  outbound.peak) < 0)
            goto save_error;

        if (outbound.burst &&
            virTypedParamsAddUInt(&params, &nparams, &maxparams,
                                  VIR_DOMAIN_BANDWIDTH_OUT_BURST,
                                  outbound.burst) < 0)
            goto save_error;
2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583
    }

    if (nparams == 0) {
        /* get the number of interface parameters */
        if (virDomainGetInterfaceParameters(dom, device, NULL, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get number of interface parameters"));
            goto cleanup;
        }

        if (nparams == 0) {
            /* nothing to output */
            ret = true;
            goto cleanup;
        }

        /* get all interface parameters */
        params = vshCalloc(ctl, nparams, sizeof(*params));
        if (virDomainGetInterfaceParameters(dom, device, params, &nparams, flags) != 0) {
            vshError(ctl, "%s", _("Unable to get interface parameters"));
            goto cleanup;
        }

        for (i = 0; i < nparams; i++) {
            char *str = vshGetTypedParamValue(ctl, &params[i]);
            vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
            VIR_FREE(str);
        }
    } else {
2584 2585 2586
        if (virDomainSetInterfaceParameters(dom, device, params,
                                            nparams, flags) != 0)
            goto error;
2587 2588 2589 2590 2591
    }

    ret = true;

cleanup:
2592
    virTypedParamsFree(params, nparams);
2593 2594
    virDomainFree(dom);
    return ret;
2595 2596 2597 2598 2599 2600

save_error:
    vshSaveLibvirtError();
error:
    vshError(ctl, "%s", _("Unable to set interface parameters"));
    goto cleanup;
2601 2602 2603 2604 2605 2606
}

/*
 * "suspend" command
 */
static const vshCmdInfo info_suspend[] = {
2607 2608 2609 2610 2611 2612 2613
    {.name = "help",
     .data = N_("suspend a domain")
    },
    {.name = "desc",
     .data = N_("Suspend a running domain.")
    },
    {.name = NULL}
2614 2615 2616
};

static const vshCmdOptDef opts_suspend[] = {
2617 2618 2619 2620 2621 2622
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649
};

static bool
cmdSuspend(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name;
    bool ret = true;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (virDomainSuspend(dom) == 0) {
        vshPrint(ctl, _("Domain %s suspended\n"), name);
    } else {
        vshError(ctl, _("Failed to suspend domain %s"), name);
        ret = false;
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "dompmsuspend" command
 */
static const vshCmdInfo info_dom_pm_suspend[] = {
2650 2651 2652 2653 2654 2655
    {.name = "help",
     .data = N_("suspend a domain gracefully using power management "
                "functions")
    },
    {.name = "desc",
     .data = N_("Suspends a running domain using guest OS's power management. "
2656
                "(Note: This requires a guest agent configured and running in "
2657 2658 2659
                "the guest OS).")
    },
    {.name = NULL}
2660 2661 2662
};

static const vshCmdOptDef opts_dom_pm_suspend[] = {
2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "duration",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ_OPT,
     .help = N_("duration in seconds")
    },
    {.name = "target",
     .type = VSH_OT_STRING,
     .flags = VSH_OFLAG_REQ,
     .help = N_("mem(Suspend-to-RAM), "
                "disk(Suspend-to-Disk), "
                "hybrid(Hybrid-Suspend)")
    },
    {.name = NULL}
2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700
};

static bool
cmdDomPMSuspend(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name;
    bool ret = false;
    const char *target = NULL;
    unsigned int suspendTarget;
    unsigned long long duration = 0;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (vshCommandOptULongLong(cmd, "duration", &duration) < 0) {
        vshError(ctl, _("Invalid duration argument"));
        goto cleanup;
    }

2701
    if (vshCommandOptStringReq(ctl, cmd, "target", &target) < 0)
2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735
        goto cleanup;

    if (STREQ(target, "mem"))
        suspendTarget = VIR_NODE_SUSPEND_TARGET_MEM;
    else if (STREQ(target, "disk"))
        suspendTarget = VIR_NODE_SUSPEND_TARGET_DISK;
    else if (STREQ(target, "hybrid"))
        suspendTarget = VIR_NODE_SUSPEND_TARGET_HYBRID;
    else {
        vshError(ctl, "%s", _("Invalid target"));
        goto cleanup;
    }

    if (virDomainPMSuspendForDuration(dom, suspendTarget, duration, 0) < 0) {
        vshError(ctl, _("Domain %s could not be suspended"),
                 virDomainGetName(dom));
        goto cleanup;
    }

    vshPrint(ctl, _("Domain %s successfully suspended"),
             virDomainGetName(dom));

    ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

/*
 * "dompmwakeup" command
 */

static const vshCmdInfo info_dom_pm_wakeup[] = {
2736 2737 2738 2739 2740 2741 2742 2743
    {.name = "help",
     .data = N_("wakeup a domain from pmsuspended state")
    },
    {.name = "desc",
     .data = N_("Wakeup a domain that was previously suspended "
                "by power management.")
    },
    {.name = NULL}
2744 2745 2746
};

static const vshCmdOptDef opts_dom_pm_wakeup[] = {
2747 2748 2749 2750 2751 2752
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785
};

static bool
cmdDomPMWakeup(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name;
    bool ret = false;
    unsigned int flags = 0;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (virDomainPMWakeup(dom, flags) < 0) {
        vshError(ctl, _("Domain %s could not be woken up"),
                 virDomainGetName(dom));
        goto cleanup;
    }

    vshPrint(ctl, _("Domain %s successfully woken up"),
             virDomainGetName(dom));

    ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

/*
 * "undefine" command
 */
static const vshCmdInfo info_undefine[] = {
2786 2787 2788 2789 2790 2791 2792
    {.name = "help",
     .data = N_("undefine a domain")
    },
    {.name = "desc",
     .data = N_("Undefine an inactive domain, or convert persistent to transient.")
    },
    {.name = NULL}
2793 2794 2795
};

static const vshCmdOptDef opts_undefine[] = {
2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name or uuid")
    },
    {.name = "managed-save",
     .type = VSH_OT_BOOL,
     .help = N_("remove domain managed state file")
    },
    {.name = "storage",
     .type = VSH_OT_DATA,
     .help = N_("remove associated storage volumes (comma separated list of "
                "targets or source paths) (see domblklist)")
    },
    {.name = "remove-all-storage",
     .type = VSH_OT_BOOL,
     .help = N_("remove all associated storage volumes (use with caution)")
    },
    {.name = "wipe-storage",
     .type = VSH_OT_BOOL,
     .help = N_("wipe data on the removed volumes")
    },
    {.name = "snapshots-metadata",
     .type = VSH_OT_BOOL,
     .help = N_("remove all domain snapshot metadata, if inactive")
    },
    {.name = NULL}
2823 2824
};

2825 2826 2827 2828 2829 2830
typedef struct {
    virStorageVolPtr vol;
    char *source;
    char *target;
} vshUndefineVolume;

2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853
static bool
cmdUndefine(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = false;
    const char *name = NULL;
    /* Flags to attempt.  */
    unsigned int flags = 0;
    /* User-requested actions.  */
    bool managed_save = vshCommandOptBool(cmd, "managed-save");
    bool snapshots_metadata = vshCommandOptBool(cmd, "snapshots-metadata");
    bool wipe_storage = vshCommandOptBool(cmd, "wipe-storage");
    bool remove_all_storage = vshCommandOptBool(cmd, "remove-all-storage");
    /* Positive if these items exist.  */
    int has_managed_save = 0;
    int has_snapshots_metadata = 0;
    int has_snapshots = 0;
    /* True if undefine will not strand data, even on older servers.  */
    bool managed_save_safe = false;
    bool snapshots_safe = false;
    int rc = -1;
    int running;
    /* list of volumes to remove along with this domain */
2854 2855
    vshUndefineVolume *vlist = NULL;
    int nvols = 0;
2856
    const char *volumes = NULL;
2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868
    char **volume_tokens = NULL;
    char *volume_tok = NULL;
    int nvolume_tokens = 0;
    char *def = NULL;
    char *source = NULL;
    char *target = NULL;
    int vol_i;
    int tok_i;
    xmlDocPtr doc = NULL;
    xmlXPathContextPtr ctxt = NULL;
    xmlNodePtr *vol_nodes = NULL;
    int nvolumes = 0;
2869 2870
    bool vol_not_found = false;

2871
    ignore_value(vshCommandOptString(cmd, "storage", &volumes));
2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888

    if (managed_save) {
        flags |= VIR_DOMAIN_UNDEFINE_MANAGED_SAVE;
        managed_save_safe = true;
    }
    if (snapshots_metadata) {
        flags |= VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA;
        snapshots_safe = true;
    }

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    /* Do some flag manipulation.  The goal here is to disable bits
     * from flags to reduce the likelihood of a server rejecting
     * unknown flag bits, as well as to track conditions which are
     * safe by default for the given hypervisor and server version.  */
2889 2890 2891
    if ((running = virDomainIsActive(dom)) < 0)
        goto error;

2892 2893 2894 2895 2896 2897
    if (!running) {
        /* Undefine with snapshots only fails for inactive domains,
         * and managed save only exists on inactive domains; if
         * running, then we don't want to remove anything.  */
        has_managed_save = virDomainHasManagedSaveImage(dom, 0);
        if (has_managed_save < 0) {
2898 2899
            if (last_error->code != VIR_ERR_NO_SUPPORT)
                goto error;
2900
            vshResetLibvirtError();
2901 2902 2903 2904 2905
            has_managed_save = 0;
        }

        has_snapshots = virDomainSnapshotNum(dom, 0);
        if (has_snapshots < 0) {
2906 2907
            if (last_error->code != VIR_ERR_NO_SUPPORT)
                goto error;
2908
            vshResetLibvirtError();
2909 2910 2911 2912 2913 2914 2915 2916
            has_snapshots = 0;
        }
        if (has_snapshots) {
            has_snapshots_metadata
                = virDomainSnapshotNum(dom, VIR_DOMAIN_SNAPSHOT_LIST_METADATA);
            if (has_snapshots_metadata < 0) {
                /* The server did not know the new flag, assume that all
                   snapshots have metadata.  */
2917
                vshResetLibvirtError();
2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938
                has_snapshots_metadata = has_snapshots;
            } else {
                /* The server knew the new flag, all aspects of
                 * undefineFlags are safe.  */
                managed_save_safe = snapshots_safe = true;
            }
        }
    }
    if (!has_managed_save) {
        flags &= ~VIR_DOMAIN_UNDEFINE_MANAGED_SAVE;
        managed_save_safe = true;
    }
    if (has_snapshots == 0) {
        snapshots_safe = true;
    }
    if (has_snapshots_metadata == 0) {
        flags &= ~VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA;
        snapshots_safe = true;
    }

    /* Stash domain description for later use */
2939
    if (volumes || remove_all_storage) {
2940 2941 2942 2943 2944
        if (running) {
            vshError(ctl, _("Storage volume deletion is supported only on stopped domains"));
            goto cleanup;
        }

2945 2946 2947 2948 2949
        if (volumes && remove_all_storage) {
            vshError(ctl, _("Specified both --storage and --remove-all-storage"));
            goto cleanup;
        }

2950 2951 2952 2953
        if (!(def = virDomainGetXMLDesc(dom, 0))) {
            vshError(ctl, _("Could not retrieve domain XML description"));
            goto cleanup;
        }
2954 2955 2956 2957 2958 2959 2960

        if (!(doc = virXMLParseStringCtxt(def, _("(domain_definition)"),
                                          &ctxt)))
            goto error;

        /* tokenize the string from user and save it's parts into an array */
        if (volumes) {
2961 2962
            if ((nvolume_tokens = vshStringToArray(volumes, &volume_tokens)) < 0)
                goto cleanup;
2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010
        }

        if ((nvolumes = virXPathNodeSet("./devices/disk", ctxt,
                                        &vol_nodes)) < 0)
            goto error;

        if (nvolumes > 0)
            vlist = vshCalloc(ctl, nvolumes, sizeof(*vlist));

        for (vol_i = 0; vol_i < nvolumes; vol_i++) {
            ctxt->node = vol_nodes[vol_i];

            /* get volume source and target paths */
            if (!(target = virXPathString("string(./target/@dev)", ctxt)))
                goto error;

            if (!(source = virXPathString("string("
                                          "./source/@file|"
                                          "./source/@dir|"
                                          "./source/@name|"
                                          "./source/@dev)", ctxt))) {
                if (last_error && last_error->code != VIR_ERR_OK)
                    goto error;
                else
                    continue;
            }

            /* lookup if volume was selected by user */
            if (volumes) {
                volume_tok = NULL;
                for (tok_i = 0; tok_i < nvolume_tokens; tok_i++) {
                    if (volume_tokens[tok_i] &&
                        (STREQ(volume_tokens[tok_i], target) ||
                         STREQ(volume_tokens[tok_i], source))) {
                        volume_tok = volume_tokens[tok_i];
                        volume_tokens[tok_i] = NULL;
                        break;
                    }
                }
                if (!volume_tok)
                    continue;
            }

            if (!(vlist[nvols].vol = virStorageVolLookupByPath(ctl->conn,
                                                               source))) {
                vshPrint(ctl,
                         _("Storage volume '%s'(%s) is not managed by libvirt. "
                           "Remove it manually.\n"), target, source);
3011
                vshResetLibvirtError();
3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032
                continue;
            }
            vlist[nvols].source = source;
            vlist[nvols].target = target;
            nvols++;
        }

        /* print volumes specified by user that were not found in domain definition */
        if (volumes) {
            for (tok_i = 0; tok_i < nvolume_tokens; tok_i++) {
                if (volume_tokens[tok_i]) {
                    vshError(ctl, _("Volume '%s' was not found in domain's "
                                    "definition.\n"),
                             volume_tokens[tok_i]);
                    vol_not_found = true;
                }
            }

            if (vol_not_found)
                goto cleanup;
        }
3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045
    }

    /* Generally we want to try the new API first.  However, while
     * virDomainUndefineFlags was introduced at the same time as
     * VIR_DOMAIN_UNDEFINE_MANAGED_SAVE in 0.9.4, the
     * VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA flag was not present
     * until 0.9.5; skip to piecewise emulation if we couldn't prove
     * above that the new API is safe.  */
    if (managed_save_safe && snapshots_safe) {
        rc = virDomainUndefineFlags(dom, flags);
        if (rc == 0 || (last_error->code != VIR_ERR_NO_SUPPORT &&
                        last_error->code != VIR_ERR_INVALID_ARG))
            goto out;
3046
        vshResetLibvirtError();
3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058
    }

    /* The new API is unsupported or unsafe; fall back to doing things
     * piecewise.  */
    if (has_managed_save) {
        if (!managed_save) {
            vshError(ctl, "%s",
                     _("Refusing to undefine while domain managed save "
                       "image exists"));
            goto cleanup;
        }
        if (virDomainManagedSaveRemove(dom, 0) < 0) {
E
Eric Blake 已提交
3059
            vshReportError(ctl);
3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086
            goto cleanup;
        }
    }

    /* No way to emulate deletion of just snapshot metadata
     * without support for the newer flags.  Oh well.  */
    if (has_snapshots_metadata) {
        vshError(ctl,
                 snapshots_metadata ?
                 _("Unable to remove metadata of %d snapshots") :
                 _("Refusing to undefine while %d snapshots exist"),
                 has_snapshots_metadata);
        goto cleanup;
    }

    rc = virDomainUndefine(dom);

out:
    if (rc == 0) {
        vshPrint(ctl, _("Domain %s has been undefined\n"), name);
        ret = true;
    } else {
        vshError(ctl, _("Failed to undefine domain %s"), name);
        goto cleanup;
    }

    /* try to undefine storage volumes associated with this domain, if it's requested */
3087 3088
    if (nvols) {
        for (vol_i = 0; vol_i < nvols; vol_i++) {
3089
            if (wipe_storage) {
3090 3091
                vshPrint(ctl, _("Wiping volume '%s'(%s) ... "),
                         vlist[vol_i].target, vlist[vol_i].source);
3092
                fflush(stdout);
3093
                if (virStorageVolWipe(vlist[vol_i].vol, 0) < 0) {
3094
                    vshError(ctl, _("Failed! Volume not removed."));
3095
                    ret = false;
3096 3097 3098 3099 3100 3101 3102
                    continue;
                } else {
                    vshPrint(ctl, _("Done.\n"));
                }
            }

            /* delete the volume */
3103
            if (virStorageVolDelete(vlist[vol_i].vol, 0) < 0) {
3104
                vshError(ctl, _("Failed to remove storage volume '%s'(%s)"),
3105 3106 3107 3108 3109
                         vlist[vol_i].target, vlist[vol_i].source);
                ret = false;
            } else {
                vshPrint(ctl, _("Volume '%s'(%s) removed.\n"),
                         vlist[vol_i].target, vlist[vol_i].source);
3110 3111 3112 3113 3114
            }
        }
    }

cleanup:
3115 3116 3117 3118 3119 3120 3121 3122
    for (vol_i = 0; vol_i < nvols; vol_i++) {
        VIR_FREE(vlist[vol_i].source);
        VIR_FREE(vlist[vol_i].target);
        if (vlist[vol_i].vol)
            virStorageVolFree(vlist[vol_i].vol);
    }
    VIR_FREE(vlist);

3123 3124 3125 3126
    if (volume_tokens) {
        VIR_FREE(*volume_tokens);
        VIR_FREE(volume_tokens);
    }
3127 3128 3129 3130 3131 3132
    VIR_FREE(def);
    VIR_FREE(vol_nodes);
    xmlFreeDoc(doc);
    xmlXPathFreeContext(ctxt);
    virDomainFree(dom);
    return ret;
3133 3134

error:
E
Eric Blake 已提交
3135
    vshReportError(ctl);
3136
    goto cleanup;
3137 3138 3139 3140 3141 3142
}

/*
 * "start" command
 */
static const vshCmdInfo info_start[] = {
3143 3144 3145 3146 3147
    {.name = "help",
     .data = N_("start a (previously defined) inactive domain")
    },
    {.name = "desc",
     .data = N_("Start a domain, either from the last managedsave\n"
3148
                "    state, or via a fresh boot if no managedsave state\n"
3149 3150 3151
                "    is present.")
    },
    {.name = NULL}
3152 3153 3154
};

static const vshCmdOptDef opts_start[] = {
3155 3156 3157 3158 3159
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("name of the inactive domain")
    },
3160
#ifndef WIN32
3161 3162 3163 3164
    {.name = "console",
     .type = VSH_OT_BOOL,
     .help = N_("attach to console after creation")
    },
3165
#endif
3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("leave the guest paused after creation")
    },
    {.name = "autodestroy",
     .type = VSH_OT_BOOL,
     .help = N_("automatically destroy the guest when virsh disconnects")
    },
    {.name = "bypass-cache",
     .type = VSH_OT_BOOL,
     .help = N_("avoid file system cache when loading")
    },
    {.name = "force-boot",
     .type = VSH_OT_BOOL,
     .help = N_("force fresh boot by discarding any managed save")
    },
    {.name = NULL}
3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220
};

static bool
cmdStart(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = false;
#ifndef WIN32
    bool console = vshCommandOptBool(cmd, "console");
#endif
    unsigned int flags = VIR_DOMAIN_NONE;
    int rc;

    if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
                                      VSH_BYNAME | VSH_BYUUID)))
        return false;

    if (virDomainGetID(dom) != (unsigned int)-1) {
        vshError(ctl, "%s", _("Domain is already active"));
        virDomainFree(dom);
        return false;
    }

    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_START_PAUSED;
    if (vshCommandOptBool(cmd, "autodestroy"))
        flags |= VIR_DOMAIN_START_AUTODESTROY;
    if (vshCommandOptBool(cmd, "bypass-cache"))
        flags |= VIR_DOMAIN_START_BYPASS_CACHE;
    if (vshCommandOptBool(cmd, "force-boot"))
        flags |= VIR_DOMAIN_START_FORCE_BOOT;

    /* We can emulate force boot, even for older servers that reject it.  */
    if (flags & VIR_DOMAIN_START_FORCE_BOOT) {
        if (virDomainCreateWithFlags(dom, flags) == 0)
            goto started;
        if (last_error->code != VIR_ERR_NO_SUPPORT &&
            last_error->code != VIR_ERR_INVALID_ARG) {
E
Eric Blake 已提交
3221
            vshReportError(ctl);
3222 3223
            goto cleanup;
        }
3224
        vshResetLibvirtError();
3225 3226 3227
        rc = virDomainHasManagedSaveImage(dom, 0);
        if (rc < 0) {
            /* No managed save image to remove */
3228
            vshResetLibvirtError();
3229 3230
        } else if (rc > 0) {
            if (virDomainManagedSaveRemove(dom, 0) < 0) {
E
Eric Blake 已提交
3231
                vshReportError(ctl);
3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263
                goto cleanup;
            }
        }
        flags &= ~VIR_DOMAIN_START_FORCE_BOOT;
    }

    /* Prefer older API unless we have to pass a flag.  */
    if ((flags ? virDomainCreateWithFlags(dom, flags)
         : virDomainCreate(dom)) < 0) {
        vshError(ctl, _("Failed to start domain %s"), virDomainGetName(dom));
        goto cleanup;
    }

started:
    vshPrint(ctl, _("Domain %s started\n"),
             virDomainGetName(dom));
#ifndef WIN32
    if (console && !cmdRunConsole(ctl, dom, NULL, 0))
        goto cleanup;
#endif

    ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

/*
 * "save" command
 */
static const vshCmdInfo info_save[] = {
3264 3265 3266 3267 3268 3269 3270
    {.name = "help",
     .data = N_("save a domain state to a file")
    },
    {.name = "desc",
     .data = N_("Save the RAM state of a running domain.")
    },
    {.name = NULL}
3271 3272 3273
};

static const vshCmdOptDef opts_save[] = {
3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304
    {.name = "bypass-cache",
     .type = VSH_OT_BOOL,
     .help = N_("avoid file system cache when saving")
    },
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("where to save the data")
    },
    {.name = "xml",
     .type = VSH_OT_STRING,
     .help = N_("filename containing updated XML for the target")
    },
    {.name = "running",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be running on restore")
    },
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be paused on restore")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("display the progress of save")
    },
    {.name = NULL}
3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326
};

static void
doSave(void *opaque)
{
    vshCtrlData *data = opaque;
    vshControl *ctl = data->ctl;
    const vshCmd *cmd = data->cmd;
    char ret = '1';
    virDomainPtr dom = NULL;
    const char *name = NULL;
    const char *to = NULL;
    unsigned int flags = 0;
    const char *xmlfile = NULL;
    char *xml = NULL;
    sigset_t sigmask, oldsigmask;

    sigemptyset(&sigmask);
    sigaddset(&sigmask, SIGINT);
    if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
        goto out_sig;

3327
    if (vshCommandOptStringReq(ctl, cmd, "file", &to) < 0)
3328 3329 3330 3331 3332 3333 3334 3335 3336
        goto out;

    if (vshCommandOptBool(cmd, "bypass-cache"))
        flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
    if (vshCommandOptBool(cmd, "running"))
        flags |= VIR_DOMAIN_SAVE_RUNNING;
    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_SAVE_PAUSED;

3337
    if (vshCommandOptStringReq(ctl, cmd, "xml", &xmlfile) < 0)
3338 3339 3340 3341 3342 3343
        goto out;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        goto out;

    if (xmlfile &&
3344 3345
        virFileReadAll(xmlfile, 8192, &xml) < 0) {
        vshReportError(ctl);
3346
        goto out;
3347
    }
3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365

    if (((flags || xml)
         ? virDomainSaveFlags(dom, to, xml, flags)
         : virDomainSave(dom, to)) < 0) {
        vshError(ctl, _("Failed to save domain %s to %s"), name, to);
        goto out;
    }

    ret = '0';

out:
    pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
    if (dom) virDomainFree(dom);
    VIR_FREE(xml);
    ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}

3366 3367
typedef void (*jobWatchTimeoutFunc)(vshControl *ctl, virDomainPtr dom,
                                    void *opaque);
E
Eric Blake 已提交
3368

E
Eric Blake 已提交
3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458
static bool
vshWatchJob(vshControl *ctl,
            virDomainPtr dom,
            bool verbose,
            int pipe_fd,
            int timeout,
            jobWatchTimeoutFunc timeout_func,
            void *opaque,
            const char *label)
{
    struct sigaction sig_action;
    struct sigaction old_sig_action;
    struct pollfd pollfd;
    struct timeval start, curr;
    virDomainJobInfo jobinfo;
    int ret = -1;
    char retchar;
    bool functionReturn = false;
    sigset_t sigmask, oldsigmask;

    sigemptyset(&sigmask);
    sigaddset(&sigmask, SIGINT);

    intCaught = 0;
    sig_action.sa_sigaction = vshCatchInt;
    sig_action.sa_flags = SA_SIGINFO;
    sigemptyset(&sig_action.sa_mask);
    sigaction(SIGINT, &sig_action, &old_sig_action);

    pollfd.fd = pipe_fd;
    pollfd.events = POLLIN;
    pollfd.revents = 0;

    GETTIMEOFDAY(&start);
    while (1) {
repoll:
        ret = poll(&pollfd, 1, 500);
        if (ret > 0) {
            if (pollfd.revents & POLLIN &&
                saferead(pipe_fd, &retchar, sizeof(retchar)) > 0 &&
                retchar == '0') {
                if (verbose) {
                    /* print [100 %] */
                    print_job_progress(label, 0, 1);
                }
                break;
            }
            goto cleanup;
        }

        if (ret < 0) {
            if (errno == EINTR) {
                if (intCaught) {
                    virDomainAbortJob(dom);
                    intCaught = 0;
                } else {
                    goto repoll;
                }
            }
            goto cleanup;
        }

        GETTIMEOFDAY(&curr);
        if (timeout && (((int)(curr.tv_sec - start.tv_sec)  * 1000 +
                         (int)(curr.tv_usec - start.tv_usec) / 1000) >
                        timeout * 1000)) {
            /* suspend the domain when migration timeouts. */
            vshDebug(ctl, VSH_ERR_DEBUG, "%s timeout", label);
            if (timeout_func)
                (timeout_func)(ctl, dom, opaque);
            timeout = 0;
        }

        if (verbose) {
            pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
            ret = virDomainGetJobInfo(dom, &jobinfo);
            pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
            if (ret == 0)
                print_job_progress(label, jobinfo.dataRemaining,
                                   jobinfo.dataTotal);
        }
    }

    functionReturn = true;

cleanup:
    sigaction(SIGINT, &old_sig_action, NULL);
    return functionReturn;
}

3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473
static bool
cmdSave(vshControl *ctl, const vshCmd *cmd)
{
    bool ret = false;
    virDomainPtr dom = NULL;
    int p[2] = {-1. -1};
    virThread workerThread;
    bool verbose = false;
    vshCtrlData data;
    const char *to = NULL;
    const char *name = NULL;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

3474
    if (vshCommandOptStringReq(ctl, cmd, "file", &to) < 0)
3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509
        goto cleanup;

    if (vshCommandOptBool(cmd, "verbose"))
        verbose = true;

    if (pipe(p) < 0)
        goto cleanup;

    data.ctl = ctl;
    data.cmd = cmd;
    data.writefd = p[1];

    if (virThreadCreate(&workerThread,
                        true,
                        doSave,
                        &data) < 0)
        goto cleanup;

    ret = vshWatchJob(ctl, dom, verbose, p[0], 0, NULL, NULL, _("Save"));

    virThreadJoin(&workerThread);

    if (ret)
        vshPrint(ctl, _("\nDomain %s saved to %s\n"), name, to);

cleanup:
    if (dom)
        virDomainFree(dom);
    return ret;
}

/*
 * "save-image-dumpxml" command
 */
static const vshCmdInfo info_save_image_dumpxml[] = {
3510 3511 3512 3513 3514 3515 3516
    {.name = "help",
     .data = N_("saved state domain information in XML")
    },
    {.name = "desc",
     .data = N_("Dump XML of domain information for a saved state file to stdout.")
    },
    {.name = NULL}
3517 3518 3519
};

static const vshCmdOptDef opts_save_image_dumpxml[] = {
3520 3521 3522 3523 3524 3525 3526 3527 3528 3529
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("saved state file to read")
    },
    {.name = "security-info",
     .type = VSH_OT_BOOL,
     .help = N_("include security sensitive information in XML dump")
    },
    {.name = NULL}
3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542
};

static bool
cmdSaveImageDumpxml(vshControl *ctl, const vshCmd *cmd)
{
    const char *file = NULL;
    bool ret = false;
    unsigned int flags = 0;
    char *xml = NULL;

    if (vshCommandOptBool(cmd, "security-info"))
        flags |= VIR_DOMAIN_XML_SECURE;

3543
    if (vshCommandOptStringReq(ctl, cmd, "file", &file) < 0)
3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561
        return false;

    xml = virDomainSaveImageGetXMLDesc(ctl->conn, file, flags);
    if (!xml)
        goto cleanup;

    vshPrint(ctl, "%s", xml);
    ret = true;

cleanup:
    VIR_FREE(xml);
    return ret;
}

/*
 * "save-image-define" command
 */
static const vshCmdInfo info_save_image_define[] = {
3562 3563 3564 3565 3566 3567 3568
    {.name = "help",
     .data = N_("redefine the XML for a domain's saved state file")
    },
    {.name = "desc",
     .data = N_("Replace the domain XML associated with a saved state file")
    },
    {.name = NULL}
3569 3570 3571
};

static const vshCmdOptDef opts_save_image_define[] = {
3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("saved state file to modify")
    },
    {.name = "xml",
     .type = VSH_OT_STRING,
     .flags = VSH_OFLAG_REQ,
     .help = N_("filename containing updated XML for the target")
    },
    {.name = "running",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be running on restore")
    },
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be paused on restore")
    },
    {.name = NULL}
3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606
};

static bool
cmdSaveImageDefine(vshControl *ctl, const vshCmd *cmd)
{
    const char *file = NULL;
    bool ret = false;
    const char *xmlfile = NULL;
    char *xml = NULL;
    unsigned int flags = 0;

    if (vshCommandOptBool(cmd, "running"))
        flags |= VIR_DOMAIN_SAVE_RUNNING;
    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_SAVE_PAUSED;

3607
    if (vshCommandOptStringReq(ctl, cmd, "file", &file) < 0)
3608 3609
        return false;

3610
    if (vshCommandOptStringReq(ctl, cmd, "xml", &xmlfile) < 0)
3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632
        return false;

    if (virFileReadAll(xmlfile, 8192, &xml) < 0)
        goto cleanup;

    if (virDomainSaveImageDefineXML(ctl->conn, file, xml, flags) < 0) {
        vshError(ctl, _("Failed to update %s"), file);
        goto cleanup;
    }

    vshPrint(ctl, _("State file %s updated.\n"), file);
    ret = true;

cleanup:
    VIR_FREE(xml);
    return ret;
}

/*
 * "save-image-edit" command
 */
static const vshCmdInfo info_save_image_edit[] = {
3633 3634 3635 3636 3637 3638 3639
    {.name = "help",
     .data = N_("edit XML for a domain's saved state file")
    },
    {.name = "desc",
     .data = N_("Edit the domain XML associated with a saved state file")
    },
    {.name = NULL}
3640 3641 3642
};

static const vshCmdOptDef opts_save_image_edit[] = {
3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("saved state file to edit")
    },
    {.name = "running",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be running on restore")
    },
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be paused on restore")
    },
    {.name = NULL}
3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676
};

static bool
cmdSaveImageEdit(vshControl *ctl, const vshCmd *cmd)
{
    const char *file = NULL;
    bool ret = false;
    unsigned int getxml_flags = VIR_DOMAIN_XML_SECURE;
    unsigned int define_flags = 0;

    if (vshCommandOptBool(cmd, "running"))
        define_flags |= VIR_DOMAIN_SAVE_RUNNING;
    if (vshCommandOptBool(cmd, "paused"))
        define_flags |= VIR_DOMAIN_SAVE_PAUSED;

    /* Normally, we let the API reject mutually exclusive flags.
     * However, in the edit cycle, we let the user retry if the define
     * step fails, but the define step will always fail on invalid
     * flags, so we reject it up front to avoid looping.  */
    if (define_flags == (VIR_DOMAIN_SAVE_RUNNING | VIR_DOMAIN_SAVE_PAUSED)) {
3677
        vshError(ctl, "%s", _("--running and --paused are mutually exclusive"));
3678 3679 3680
        return false;
    }

3681
    if (vshCommandOptStringReq(ctl, cmd, "file", &file) < 0)
3682 3683 3684 3685 3686 3687 3688 3689 3690
        return false;

#define EDIT_GET_XML \
    virDomainSaveImageGetXMLDesc(ctl->conn, file, getxml_flags)
#define EDIT_NOT_CHANGED \
    vshPrint(ctl, _("Saved image %s XML configuration " \
                    "not changed.\n"), file);           \
    ret = true; goto edit_cleanup;
#define EDIT_DEFINE \
3691
    (virDomainSaveImageDefineXML(ctl->conn, file, doc_edited, define_flags) == 0)
3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705
#define EDIT_FREE /* */
#include "virsh-edit.c"

    vshPrint(ctl, _("State file %s edited.\n"), file);
    ret = true;

cleanup:
    return ret;
}

/*
 * "managedsave" command
 */
static const vshCmdInfo info_managedsave[] = {
3706 3707 3708 3709 3710
    {.name = "help",
     .data = N_("managed save of a domain state")
    },
    {.name = "desc",
     .data = N_("Save and destroy a running domain, so it can be restarted from\n"
3711 3712
                "    the same state at a later time.  When the virsh 'start'\n"
                "    command is next run for the domain, it will automatically\n"
3713 3714 3715
                "    be started from this saved state.")
    },
    {.name = NULL}
3716 3717 3718
};

static const vshCmdOptDef opts_managedsave[] = {
3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740
    {.name = "bypass-cache",
     .type = VSH_OT_BOOL,
     .help = N_("avoid file system cache when saving")
    },
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "running",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be running on next start")
    },
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("set domain to be paused on next start")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("display the progress of save")
    },
    {.name = NULL}
3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832
};

static void
doManagedsave(void *opaque)
{
    char ret = '1';
    vshCtrlData *data = opaque;
    vshControl *ctl = data->ctl;
    const vshCmd *cmd = data->cmd;
    virDomainPtr dom = NULL;
    const char *name;
    unsigned int flags = 0;
    sigset_t sigmask, oldsigmask;

    sigemptyset(&sigmask);
    sigaddset(&sigmask, SIGINT);
    if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
        goto out_sig;

    if (vshCommandOptBool(cmd, "bypass-cache"))
        flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
    if (vshCommandOptBool(cmd, "running"))
        flags |= VIR_DOMAIN_SAVE_RUNNING;
    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_SAVE_PAUSED;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        goto out;

    if (virDomainManagedSave(dom, flags) < 0) {
        vshError(ctl, _("Failed to save domain %s state"), name);
        goto out;
    }

    ret = '0';
out:
    pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
    if (dom)
        virDomainFree(dom);
    ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}

static bool
cmdManagedSave(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int p[2] = { -1, -1};
    bool ret = false;
    bool verbose = false;
    const char *name = NULL;
    vshCtrlData data;
    virThread workerThread;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (vshCommandOptBool(cmd, "verbose"))
        verbose = true;

    if (pipe(p) < 0)
        goto cleanup;

    data.ctl = ctl;
    data.cmd = cmd;
    data.writefd = p[1];

    if (virThreadCreate(&workerThread,
                        true,
                        doManagedsave,
                        &data) < 0)
        goto cleanup;

    ret = vshWatchJob(ctl, dom, verbose, p[0], 0,
                      NULL, NULL, _("Managedsave"));

    virThreadJoin(&workerThread);

    if (ret)
        vshPrint(ctl, _("\nDomain %s state saved by libvirt\n"), name);

cleanup:
    virDomainFree(dom);
    VIR_FORCE_CLOSE(p[0]);
    VIR_FORCE_CLOSE(p[1]);
    return ret;
}

/*
 * "managedsave-remove" command
 */
static const vshCmdInfo info_managedsaveremove[] = {
3833 3834 3835 3836 3837 3838 3839
    {.name = "help",
     .data = N_("Remove managed save of a domain")
    },
    {.name = "desc",
     .data = N_("Remove an existing managed save state file from a domain")
    },
    {.name = NULL}
3840 3841 3842
};

static const vshCmdOptDef opts_managedsaveremove[] = {
3843 3844 3845 3846 3847 3848
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891
};

static bool
cmdManagedSaveRemove(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name;
    bool ret = false;
    int hassave;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    hassave = virDomainHasManagedSaveImage(dom, 0);
    if (hassave < 0) {
        vshError(ctl, "%s", _("Failed to check for domain managed save image"));
        goto cleanup;
    }

    if (hassave) {
        if (virDomainManagedSaveRemove(dom, 0) < 0) {
            vshError(ctl, _("Failed to remove managed save image for domain %s"),
                     name);
            goto cleanup;
        }
        else
            vshPrint(ctl, _("Removed managedsave image for domain %s"), name);
    }
    else
        vshPrint(ctl, _("Domain %s has no manage save image; removal skipped"),
                 name);

    ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

/*
 * "schedinfo" command
 */
static const vshCmdInfo info_schedinfo[] = {
3892 3893 3894 3895 3896 3897 3898
    {.name = "help",
     .data = N_("show/set scheduler parameters")
    },
    {.name = "desc",
     .data = N_("Show/Set scheduler parameters.")
    },
    {.name = NULL}
3899 3900 3901
};

static const vshCmdOptDef opts_schedinfo[] = {
3902 3903 3904 3905 3906 3907 3908
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "weight",
     .type = VSH_OT_INT,
3909
     .flags = VSH_OFLAG_REQ_OPT,
3910 3911 3912 3913
     .help = N_("weight for XEN_CREDIT")
    },
    {.name = "cap",
     .type = VSH_OT_INT,
3914
     .flags = VSH_OFLAG_REQ_OPT,
3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928
     .help = N_("cap for XEN_CREDIT")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("get/set current scheduler info")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("get/set value to be used on next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("get/set value from running domain")
    },
3929 3930 3931 3932 3933
    {.name = "set",
     .type = VSH_OT_ARGV,
     .flags = VSH_OFLAG_NONE,
     .help = N_("parameter=value")
    },
3934
    {.name = NULL}
3935 3936
};

3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970
static int
cmdSchedInfoUpdateOne(vshControl *ctl,
                      virTypedParameterPtr src_params, int nsrc_params,
                      virTypedParameterPtr *params,
                      int *nparams, int *maxparams,
                      const char *field, const char *value)
{
    virTypedParameterPtr param;
    int ret = -1;
    int i;

    for (i = 0; i < nsrc_params; i++) {
        param = &(src_params[i]);

        if (STRNEQ(field, param->field))
            continue;

        if (virTypedParamsAddFromString(params, nparams, maxparams,
                                        field, param->type,
                                        value) < 0) {
            vshSaveLibvirtError();
            goto cleanup;
        }
        ret = 0;
        break;
    }

    if (ret < 0)
        vshError(ctl, _("invalid scheduler option: %s"), field);

 cleanup:
    return ret;
}

3971 3972
static int
cmdSchedInfoUpdate(vshControl *ctl, const vshCmd *cmd,
3973 3974
                   virTypedParameterPtr src_params, int nsrc_params,
                   virTypedParameterPtr *update_params)
3975
{
3976 3977
    char *set_field = NULL;
    char *set_val = NULL;
3978 3979
    const char *val = NULL;
    const vshCmdOpt *opt = NULL;
3980 3981
    virTypedParameterPtr params = NULL;
    int nparams = 0;
3982
    int maxparams = 0;
3983 3984 3985
    int ret = -1;
    int rv;

3986 3987
    while ((opt = vshCommandOptArgv(cmd, opt))) {
        set_field = vshStrdup(ctl, opt->data);
3988
        if (!(set_val = strchr(set_field, '='))) {
3989 3990
            vshError(ctl, "%s", _("Invalid syntax for --set, "
                                  "expecting name=value"));
3991
            goto cleanup;
3992
        }
3993 3994 3995 3996

        *set_val = '\0';
        set_val++;

3997 3998 3999 4000
        if (cmdSchedInfoUpdateOne(ctl, src_params, nsrc_params,
                                  &params, &nparams, &maxparams,
                                  set_field, set_val) < 0)
            goto cleanup;
4001

4002 4003
        VIR_FREE(set_field);
    }
4004

4005 4006 4007 4008 4009 4010 4011
    rv = vshCommandOptStringReq(ctl, cmd, "cap", &val);
    if (rv < 0 ||
        (val &&
         cmdSchedInfoUpdateOne(ctl, src_params, nsrc_params,
                               &params, &nparams, &maxparams,
                               "cap", val) < 0))
        goto cleanup;
4012

4013 4014 4015 4016 4017 4018 4019
    rv = vshCommandOptStringReq(ctl, cmd, "weight", &val);
    if (rv < 0 ||
        (val &&
         cmdSchedInfoUpdateOne(ctl, src_params, nsrc_params,
                               &params, &nparams, &maxparams,
                               "weight", val) < 0))
        goto cleanup;
4020

4021
    ret = nparams;
4022
    *update_params = params;
4023 4024 4025 4026
    params = NULL;

cleanup:
    VIR_FREE(set_field);
4027
    virTypedParamsFree(params, nparams);
4028
    return ret;
4029 4030 4031 4032 4033 4034 4035 4036
}

static bool
cmdSchedinfo(vshControl *ctl, const vshCmd *cmd)
{
    char *schedulertype;
    virDomainPtr dom;
    virTypedParameterPtr params = NULL;
4037
    virTypedParameterPtr updates = NULL;
4038
    int nparams = 0;
4039
    int nupdates = 0;
4040 4041
    int i, ret;
    bool ret_val = false;
4042
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
4043 4044 4045 4046
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");

4047 4048 4049 4050 4051 4052 4053
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
4054 4055 4056 4057 4058 4059 4060

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    /* Print SchedulerType */
    schedulertype = virDomainGetSchedulerType(dom, &nparams);
    if (schedulertype != NULL) {
P
Peter Krempa 已提交
4061
        vshPrint(ctl, "%-15s: %s\n", _("Scheduler"), schedulertype);
4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086
        VIR_FREE(schedulertype);
    } else {
        vshPrint(ctl, "%-15s: %s\n", _("Scheduler"), _("Unknown"));
        goto cleanup;
    }

    if (nparams) {
        params = vshMalloc(ctl, sizeof(*params) * nparams);

        memset(params, 0, sizeof(*params) * nparams);
        if (flags || current) {
            /* We cannot query both live and config at once, so settle
               on current in that case.  If we are setting, then the
               two values should match when we re-query; otherwise, we
               report the error later.  */
            ret = virDomainGetSchedulerParametersFlags(dom, params, &nparams,
                                                       ((live && config) ? 0
                                                        : flags));
        } else {
            ret = virDomainGetSchedulerParameters(dom, params, &nparams);
        }
        if (ret == -1)
            goto cleanup;

        /* See if any params are being set */
4087 4088 4089
        if ((nupdates = cmdSchedInfoUpdate(ctl, cmd, params, nparams,
                                           &updates)) < 0)
            goto cleanup;
4090 4091

        /* Update parameters & refresh data */
4092
        if (nupdates > 0) {
4093
            if (flags || current)
4094 4095
                ret = virDomainSetSchedulerParametersFlags(dom, updates,
                                                           nupdates, flags);
4096
            else
4097 4098
                ret = virDomainSetSchedulerParameters(dom, updates, nupdates);

4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128
            if (ret == -1)
                goto cleanup;

            if (flags || current)
                ret = virDomainGetSchedulerParametersFlags(dom, params,
                                                           &nparams,
                                                           ((live && config) ? 0
                                                            : flags));
            else
                ret = virDomainGetSchedulerParameters(dom, params, &nparams);
            if (ret == -1)
                goto cleanup;
        } else {
            /* When not doing --set, --live and --config do not mix.  */
            if (live && config) {
                vshError(ctl, "%s",
                         _("cannot query both live and config at once"));
                goto cleanup;
            }
        }

        ret_val = true;
        for (i = 0; i < nparams; i++) {
            char *str = vshGetTypedParamValue(ctl, &params[i]);
            vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
            VIR_FREE(str);
        }
    }

 cleanup:
4129 4130
    virTypedParamsFree(params, nparams);
    virTypedParamsFree(updates, nupdates);
4131 4132 4133 4134 4135 4136 4137 4138
    virDomainFree(dom);
    return ret_val;
}

/*
 * "restore" command
 */
static const vshCmdInfo info_restore[] = {
4139 4140 4141 4142 4143 4144 4145
    {.name = "help",
     .data = N_("restore a domain from a saved state in a file")
    },
    {.name = "desc",
     .data = N_("Restore a domain.")
    },
    {.name = NULL}
4146 4147 4148
};

static const vshCmdOptDef opts_restore[] = {
4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("the state to restore")
    },
    {.name = "bypass-cache",
     .type = VSH_OT_BOOL,
     .help = N_("avoid file system cache when restoring")
    },
    {.name = "xml",
     .type = VSH_OT_STRING,
     .help = N_("filename containing updated XML for the target")
    },
    {.name = "running",
     .type = VSH_OT_BOOL,
     .help = N_("restore domain into running state")
    },
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("restore domain into paused state")
    },
    {.name = NULL}
4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181
};

static bool
cmdRestore(vshControl *ctl, const vshCmd *cmd)
{
    const char *from = NULL;
    bool ret = false;
    unsigned int flags = 0;
    const char *xmlfile = NULL;
    char *xml = NULL;

4182
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
4183 4184 4185 4186 4187 4188 4189 4190 4191
        return false;

    if (vshCommandOptBool(cmd, "bypass-cache"))
        flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
    if (vshCommandOptBool(cmd, "running"))
        flags |= VIR_DOMAIN_SAVE_RUNNING;
    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_SAVE_PAUSED;

4192
    if (vshCommandOptStringReq(ctl, cmd, "xml", &xmlfile) < 0)
4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217
        return false;

    if (xmlfile &&
        virFileReadAll(xmlfile, 8192, &xml) < 0)
        goto cleanup;

    if (((flags || xml)
         ? virDomainRestoreFlags(ctl->conn, from, xml, flags)
         : virDomainRestore(ctl->conn, from)) < 0) {
        vshError(ctl, _("Failed to restore domain from %s"), from);
        goto cleanup;
    }

    vshPrint(ctl, _("Domain restored from %s\n"), from);
    ret = true;

cleanup:
    VIR_FREE(xml);
    return ret;
}

/*
 * "dump" command
 */
static const vshCmdInfo info_dump[] = {
4218 4219 4220 4221 4222 4223 4224
    {.name = "help",
     .data = N_("dump the core of a domain to a file for analysis")
    },
    {.name = "desc",
     .data = N_("Core dump a domain.")
    },
    {.name = NULL}
4225 4226 4227
};

static const vshCmdOptDef opts_dump[] = {
4228 4229 4230 4231 4232 4233 4234 4235 4236 4237
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("perform a live core dump if supported")
    },
    {.name = "crash",
     .type = VSH_OT_BOOL,
     .help = N_("crash the domain after core dump")
    },
    {.name = "bypass-cache",
     .type = VSH_OT_BOOL,
4238
     .help = N_("avoid file system cache when dumping")
4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262
    },
    {.name = "reset",
     .type = VSH_OT_BOOL,
     .help = N_("reset the domain after core dump")
    },
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("where to dump the core")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("display the progress of dump")
    },
    {.name = "memory-only",
     .type = VSH_OT_BOOL,
     .help = N_("dump domain's memory only")
    },
    {.name = NULL}
4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282
};

static void
doDump(void *opaque)
{
    char ret = '1';
    vshCtrlData *data = opaque;
    vshControl *ctl = data->ctl;
    const vshCmd *cmd = data->cmd;
    virDomainPtr dom = NULL;
    sigset_t sigmask, oldsigmask;
    const char *name = NULL;
    const char *to = NULL;
    unsigned int flags = 0;

    sigemptyset(&sigmask);
    sigaddset(&sigmask, SIGINT);
    if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
        goto out_sig;

4283
    if (vshCommandOptStringReq(ctl, cmd, "file", &to) < 0)
4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328
        goto out;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        goto out;

    if (vshCommandOptBool(cmd, "live"))
        flags |= VIR_DUMP_LIVE;
    if (vshCommandOptBool(cmd, "crash"))
        flags |= VIR_DUMP_CRASH;
    if (vshCommandOptBool(cmd, "bypass-cache"))
        flags |= VIR_DUMP_BYPASS_CACHE;
    if (vshCommandOptBool(cmd, "reset"))
        flags |= VIR_DUMP_RESET;
    if (vshCommandOptBool(cmd, "memory-only"))
        flags |= VIR_DUMP_MEMORY_ONLY;

    if (virDomainCoreDump(dom, to, flags) < 0) {
        vshError(ctl, _("Failed to core dump domain %s to %s"), name, to);
        goto out;
    }

    ret = '0';
out:
    pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
    if (dom)
        virDomainFree(dom);
    ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}

static bool
cmdDump(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int p[2] = { -1, -1};
    bool ret = false;
    bool verbose = false;
    const char *name = NULL;
    const char *to = NULL;
    vshCtrlData data;
    virThread workerThread;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

4329
    if (vshCommandOptStringReq(ctl, cmd, "file", &to) < 0)
4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362
        return false;

    if (vshCommandOptBool(cmd, "verbose"))
        verbose = true;

    if (pipe(p) < 0)
        goto cleanup;

    data.ctl = ctl;
    data.cmd = cmd;
    data.writefd = p[1];

    if (virThreadCreate(&workerThread,
                        true,
                        doDump,
                        &data) < 0)
        goto cleanup;

    ret = vshWatchJob(ctl, dom, verbose, p[0], 0, NULL, NULL, _("Dump"));

    virThreadJoin(&workerThread);

    if (ret)
        vshPrint(ctl, _("\nDomain %s dumped to %s\n"), name, to);

cleanup:
    virDomainFree(dom);
    VIR_FORCE_CLOSE(p[0]);
    VIR_FORCE_CLOSE(p[1]);
    return ret;
}

static const vshCmdInfo info_screenshot[] = {
4363 4364 4365 4366 4367 4368 4369 4370
    {.name = "help",
     .data = N_("take a screenshot of a current domain console and store it "
                "into a file")
    },
    {.name = "desc",
     .data = N_("screenshot of a current domain console")
    },
    {.name = NULL}
4371 4372 4373
};

static const vshCmdOptDef opts_screenshot[] = {
4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .help = N_("where to store the screenshot")
    },
    {.name = "screen",
     .type = VSH_OT_INT,
     .help = N_("ID of a screen to take screenshot of")
    },
    {.name = NULL}
4388 4389 4390 4391 4392 4393 4394 4395 4396
};

/**
 * Generate string: '<domain name>-<timestamp>[<extension>]'
 */
static char *
vshGenFileName(vshControl *ctl, virDomainPtr dom, const char *mime)
{
    char timestr[100];
4397
    time_t cur_time;
4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412
    struct tm time_info;
    const char *ext = NULL;
    char *ret = NULL;

    if (!dom) {
        vshError(ctl, "%s", _("Invalid domain supplied"));
        return NULL;
    }

    if (STREQ(mime, "image/x-portable-pixmap"))
        ext = ".ppm";
    else if (STREQ(mime, "image/png"))
        ext = ".png";
    /* add mime type here */

4413
    time(&cur_time);
4414
    localtime_r(&cur_time, &time_info);
4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440
    strftime(timestr, sizeof(timestr), "%Y-%m-%d-%H:%M:%S", &time_info);

    if (virAsprintf(&ret, "%s-%s%s", virDomainGetName(dom),
                    timestr, ext ? ext : "") < 0) {
        vshError(ctl, "%s", _("Out of memory"));
        return NULL;
    }

    return ret;
}

static bool
cmdScreenshot(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *name = NULL;
    char *file = NULL;
    int fd = -1;
    virStreamPtr st = NULL;
    unsigned int screen = 0;
    unsigned int flags = 0; /* currently unused */
    int ret = false;
    bool created = false;
    bool generated = false;
    char *mime = NULL;

4441
    if (vshCommandOptStringReq(ctl, cmd, "file", (const char **) &file) < 0)
4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510
        return false;

    if (vshCommandOptUInt(cmd, "screen", &screen) < 0) {
        vshError(ctl, "%s", _("invalid screen ID"));
        return false;
    }

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    st = virStreamNew(ctl->conn, 0);

    mime = virDomainScreenshot(dom, st, screen, flags);
    if (!mime) {
        vshError(ctl, _("could not take a screenshot of %s"), name);
        goto cleanup;
    }

    if (!file) {
        if (!(file=vshGenFileName(ctl, dom, mime)))
            return false;
        generated = true;
    }

    if ((fd = open(file, O_WRONLY|O_CREAT|O_EXCL, 0666)) < 0) {
        if (errno != EEXIST ||
            (fd = open(file, O_WRONLY|O_TRUNC, 0666)) < 0) {
            vshError(ctl, _("cannot create file %s"), file);
            goto cleanup;
        }
    } else {
        created = true;
    }

    if (virStreamRecvAll(st, vshStreamSink, &fd) < 0) {
        vshError(ctl, _("could not receive data from domain %s"), name);
        goto cleanup;
    }

    if (VIR_CLOSE(fd) < 0) {
        vshError(ctl, _("cannot close file %s"), file);
        goto cleanup;
    }

    if (virStreamFinish(st) < 0) {
        vshError(ctl, _("cannot close stream on domain %s"), name);
        goto cleanup;
    }

    vshPrint(ctl, _("Screenshot saved to %s, with type of %s"), file, mime);
    ret = true;

cleanup:
    if (!ret && created)
        unlink(file);
    if (generated)
        VIR_FREE(file);
    virDomainFree(dom);
    if (st)
        virStreamFree(st);
    VIR_FORCE_CLOSE(fd);
    VIR_FREE(mime);
    return ret;
}

/*
 * "resume" command
 */
static const vshCmdInfo info_resume[] = {
4511 4512 4513 4514 4515 4516 4517
    {.name = "help",
     .data = N_("resume a domain")
    },
    {.name = "desc",
     .data = N_("Resume a previously suspended domain.")
    },
    {.name = NULL}
4518 4519 4520
};

static const vshCmdOptDef opts_resume[] = {
4521 4522 4523 4524 4525 4526
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553
};

static bool
cmdResume(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;
    const char *name;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (virDomainResume(dom) == 0) {
        vshPrint(ctl, _("Domain %s resumed\n"), name);
    } else {
        vshError(ctl, _("Failed to resume domain %s"), name);
        ret = false;
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "shutdown" command
 */
static const vshCmdInfo info_shutdown[] = {
4554 4555 4556 4557 4558 4559 4560
    {.name = "help",
     .data = N_("gracefully shutdown a domain")
    },
    {.name = "desc",
     .data = N_("Run shutdown in the target domain.")
    },
    {.name = NULL}
4561 4562 4563
};

static const vshCmdOptDef opts_shutdown[] = {
4564 4565 4566 4567 4568 4569 4570 4571 4572 4573
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "mode",
     .type = VSH_OT_STRING,
     .help = N_("shutdown mode: acpi|agent")
    },
    {.name = NULL}
4574 4575 4576 4577 4578
};

static bool
cmdShutdown(vshControl *ctl, const vshCmd *cmd)
{
4579 4580
    virDomainPtr dom = NULL;
    bool ret = false;
4581 4582 4583 4584
    const char *name;
    const char *mode = NULL;
    int flags = 0;
    int rv;
4585
    char **modes = NULL, **tmp;
4586

4587
    if (vshCommandOptStringReq(ctl, cmd, "mode", &mode) < 0)
4588 4589
        return false;

4590
    if (mode && !(modes = virStringSplit(mode, ",", 0))) {
4591 4592 4593 4594 4595
        vshError(ctl, "%s", _("Cannot parse mode string"));
        return false;
    }

    tmp = modes;
4596
    while (tmp && *tmp) {
4597
        mode = *tmp;
4598 4599 4600 4601
        if (STREQ(mode, "acpi")) {
            flags |= VIR_DOMAIN_SHUTDOWN_ACPI_POWER_BTN;
        } else if (STREQ(mode, "agent")) {
            flags |= VIR_DOMAIN_SHUTDOWN_GUEST_AGENT;
4602 4603 4604 4605
        } else if (STREQ(mode, "initctl")) {
            flags |= VIR_DOMAIN_SHUTDOWN_INITCTL;
        } else if (STREQ(mode, "signal")) {
            flags |= VIR_DOMAIN_SHUTDOWN_SIGNAL;
4606
        } else {
4607 4608
            vshError(ctl, _("Unknown mode %s value, expecting "
                            "'acpi', 'agent', 'initctl' or 'signal'"), mode);
4609
            goto cleanup;
4610
        }
4611
        tmp++;
4612 4613 4614
    }

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
4615
        goto cleanup;
4616 4617 4618 4619 4620 4621 4622 4623 4624

    if (flags)
        rv = virDomainShutdownFlags(dom, flags);
    else
        rv = virDomainShutdown(dom);
    if (rv == 0) {
        vshPrint(ctl, _("Domain %s is being shutdown\n"), name);
    } else {
        vshError(ctl, _("Failed to shutdown domain %s"), name);
4625
        goto cleanup;
4626 4627
    }

4628 4629 4630 4631 4632
    ret = true;
cleanup:
    if (dom)
        virDomainFree(dom);
    virStringFreeList(modes);
4633 4634 4635 4636 4637 4638 4639
    return ret;
}

/*
 * "reboot" command
 */
static const vshCmdInfo info_reboot[] = {
4640 4641 4642 4643 4644 4645 4646
    {.name = "help",
     .data = N_("reboot a domain")
    },
    {.name = "desc",
     .data = N_("Run a reboot command in the target domain.")
    },
    {.name = NULL}
4647 4648 4649
};

static const vshCmdOptDef opts_reboot[] = {
4650 4651 4652 4653 4654 4655 4656 4657 4658 4659
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "mode",
     .type = VSH_OT_STRING,
     .help = N_("shutdown mode: acpi|agent")
    },
    {.name = NULL}
4660 4661 4662 4663 4664
};

static bool
cmdReboot(vshControl *ctl, const vshCmd *cmd)
{
4665 4666
    virDomainPtr dom = NULL;
    bool ret = false;
4667 4668 4669
    const char *name;
    const char *mode = NULL;
    int flags = 0;
4670
    char **modes = NULL, **tmp;
4671

4672
    if (vshCommandOptStringReq(ctl, cmd, "mode", &mode) < 0)
4673 4674
        return false;

4675
    if (mode && !(modes = virStringSplit(mode, ",", 0))) {
4676 4677 4678 4679 4680
        vshError(ctl, "%s", _("Cannot parse mode string"));
        return false;
    }

    tmp = modes;
4681
    while (tmp && *tmp) {
4682
        mode = *tmp;
4683
        if (STREQ(mode, "acpi")) {
4684
            flags |= VIR_DOMAIN_REBOOT_ACPI_POWER_BTN;
4685
        } else if (STREQ(mode, "agent")) {
4686
            flags |= VIR_DOMAIN_REBOOT_GUEST_AGENT;
4687 4688 4689 4690
        } else if (STREQ(mode, "initctl")) {
            flags |= VIR_DOMAIN_REBOOT_INITCTL;
        } else if (STREQ(mode, "signal")) {
            flags |= VIR_DOMAIN_REBOOT_SIGNAL;
4691
        } else {
4692 4693
            vshError(ctl, _("Unknown mode %s value, expecting "
                            "'acpi', 'agent', 'initctl' or 'signal'"), mode);
4694
            goto cleanup;
4695
        }
4696
        tmp++;
4697 4698 4699
    }

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
4700
        goto cleanup;
4701 4702 4703 4704 4705

    if (virDomainReboot(dom, flags) == 0) {
        vshPrint(ctl, _("Domain %s is being rebooted\n"), name);
    } else {
        vshError(ctl, _("Failed to reboot domain %s"), name);
4706
        goto cleanup;
4707 4708
    }

4709 4710 4711 4712 4713
    ret = true;
cleanup:
    if (dom)
        virDomainFree(dom);
    virStringFreeList(modes);
4714 4715 4716 4717 4718 4719 4720
    return ret;
}

/*
 * "reset" command
 */
static const vshCmdInfo info_reset[] = {
4721 4722 4723 4724 4725 4726 4727
    {.name = "help",
     .data = N_("reset a domain")
    },
    {.name = "desc",
     .data = N_("Reset the target domain as if by power button")
    },
    {.name = NULL}
4728 4729 4730
};

static const vshCmdOptDef opts_reset[] = {
4731 4732 4733 4734 4735 4736
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763
};

static bool
cmdReset(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;
    const char *name;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (virDomainReset(dom, 0) == 0) {
        vshPrint(ctl, _("Domain %s was reset\n"), name);
    } else {
        vshError(ctl, _("Failed to reset domain %s"), name);
        ret = false;
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "domjobinfo" command
 */
static const vshCmdInfo info_domjobinfo[] = {
4764 4765 4766 4767 4768 4769 4770
    {.name = "help",
     .data = N_("domain job information")
    },
    {.name = "desc",
     .data = N_("Returns information about jobs running on a domain.")
    },
    {.name = NULL}
4771 4772 4773
};

static const vshCmdOptDef opts_domjobinfo[] = {
4774 4775 4776 4777 4778 4779
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
4780 4781 4782 4783 4784 4785 4786
};

static bool
cmdDomjobinfo(vshControl *ctl, const vshCmd *cmd)
{
    virDomainJobInfo info;
    virDomainPtr dom;
4787 4788 4789 4790 4791 4792 4793
    bool ret = false;
    const char *unit;
    double val;
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    unsigned long long value;
    int rc;
4794 4795 4796 4797

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

4798
    memset(&info, 0, sizeof(info));
4799

4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842
    rc = virDomainGetJobStats(dom, &info.type, &params, &nparams, 0);
    if (rc == 0) {
        if (virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_TIME_ELAPSED,
                                    &info.timeElapsed) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_TIME_REMAINING,
                                    &info.timeRemaining) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DATA_TOTAL,
                                    &info.dataTotal) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DATA_PROCESSED,
                                    &info.dataProcessed) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DATA_REMAINING,
                                    &info.dataRemaining) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_MEMORY_TOTAL,
                                    &info.memTotal) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_MEMORY_PROCESSED,
                                    &info.memProcessed) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_MEMORY_REMAINING,
                                    &info.memRemaining) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DISK_TOTAL,
                                    &info.fileTotal) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DISK_PROCESSED,
                                    &info.fileProcessed) < 0 ||
            virTypedParamsGetULLong(params, nparams,
                                    VIR_DOMAIN_JOB_DISK_REMAINING,
                                    &info.fileRemaining) < 0)
            goto save_error;
    } else if (last_error->code == VIR_ERR_NO_SUPPORT) {
        vshDebug(ctl, VSH_ERR_DEBUG, "detailed statistics not supported\n");
        vshResetLibvirtError();
        rc = virDomainGetJobInfo(dom, &info);
    }
    if (rc < 0)
        goto cleanup;
4843

4844 4845 4846 4847 4848
    vshPrint(ctl, "%-17s ", _("Job type:"));
    switch (info.type) {
    case VIR_DOMAIN_JOB_BOUNDED:
        vshPrint(ctl, "%-12s\n", _("Bounded"));
        break;
4849

4850 4851 4852
    case VIR_DOMAIN_JOB_UNBOUNDED:
        vshPrint(ctl, "%-12s\n", _("Unbounded"));
        break;
4853

4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957
    case VIR_DOMAIN_JOB_NONE:
    default:
        vshPrint(ctl, "%-12s\n", _("None"));
        goto cleanup;
    }

    vshPrint(ctl, "%-17s %-12llu ms\n", _("Time elapsed:"), info.timeElapsed);
    if (info.type == VIR_DOMAIN_JOB_BOUNDED)
        vshPrint(ctl, "%-17s %-12llu ms\n", _("Time remaining:"), info.timeRemaining);

    if (info.dataTotal || info.dataRemaining || info.dataProcessed) {
        val = vshPrettyCapacity(info.dataProcessed, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data processed:"), val, unit);
        val = vshPrettyCapacity(info.dataRemaining, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data remaining:"), val, unit);
        val = vshPrettyCapacity(info.dataTotal, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data total:"), val, unit);
    }

    if (info.memTotal || info.memRemaining || info.memProcessed) {
        val = vshPrettyCapacity(info.memProcessed, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory processed:"), val, unit);
        val = vshPrettyCapacity(info.memRemaining, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory remaining:"), val, unit);
        val = vshPrettyCapacity(info.memTotal, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory total:"), val, unit);
    }

    if (info.fileTotal || info.fileRemaining || info.fileProcessed) {
        val = vshPrettyCapacity(info.fileProcessed, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("File processed:"), val, unit);
        val = vshPrettyCapacity(info.fileRemaining, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("File remaining:"), val, unit);
        val = vshPrettyCapacity(info.fileTotal, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("File total:"), val, unit);
    }

    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_MEMORY_CONSTANT,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-12llu\n", _("Constant pages:"), value);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_MEMORY_NORMAL,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-12llu\n", _("Normal pages:"), value);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_MEMORY_NORMAL_BYTES,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        val = vshPrettyCapacity(value, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Normal data:"), val, unit);
    }

    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_DOWNTIME,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-12llu ms\n", _("Expected downtime:"), value);
    }

    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_COMPRESSION_CACHE,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        val = vshPrettyCapacity(value, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Compression cache:"), val, unit);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_COMPRESSION_BYTES,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        val = vshPrettyCapacity(value, &unit);
        vshPrint(ctl, "%-17s %-.3lf %s\n", _("Compressed data:"), val, unit);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_COMPRESSION_PAGES,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-13llu\n", _("Compressed pages:"), value);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_COMPRESSION_CACHE_MISSES,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-13llu\n", _("Compression cache misses:"), value);
    }
    if ((rc = virTypedParamsGetULLong(params, nparams,
                                      VIR_DOMAIN_JOB_COMPRESSION_OVERFLOW,
                                      &value)) < 0) {
        goto save_error;
    } else if (rc) {
        vshPrint(ctl, "%-17s %-13llu\n", _("Compression overflows:"), value);
4958
    }
4959 4960 4961

    ret = true;

4962 4963
cleanup:
    virDomainFree(dom);
4964
    virTypedParamsFree(params, nparams);
4965
    return ret;
4966 4967 4968 4969

save_error:
    vshSaveLibvirtError();
    goto cleanup;
4970 4971 4972 4973 4974 4975
}

/*
 * "domjobabort" command
 */
static const vshCmdInfo info_domjobabort[] = {
4976 4977 4978 4979 4980 4981 4982
    {.name = "help",
     .data = N_("abort active domain job")
    },
    {.name = "desc",
     .data = N_("Aborts the currently running domain job")
    },
    {.name = NULL}
4983 4984 4985
};

static const vshCmdOptDef opts_domjobabort[] = {
4986 4987 4988 4989 4990 4991
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013
};

static bool
cmdDomjobabort(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (virDomainAbortJob(dom) < 0)
        ret = false;

    virDomainFree(dom);
    return ret;
}

/*
 * "maxvcpus" command
 */
static const vshCmdInfo info_maxvcpus[] = {
5014 5015 5016 5017 5018 5019 5020
    {.name = "help",
     .data = N_("connection vcpu maximum")
    },
    {.name = "desc",
     .data = N_("Show maximum number of virtual CPUs for guests on this connection.")
    },
    {.name = NULL}
5021 5022 5023
};

static const vshCmdOptDef opts_maxvcpus[] = {
5024 5025 5026 5027 5028
    {.name = "type",
     .type = VSH_OT_STRING,
     .help = N_("domain type")
    },
    {.name = NULL}
5029 5030 5031 5032 5033 5034 5035 5036
};

static bool
cmdMaxvcpus(vshControl *ctl, const vshCmd *cmd)
{
    const char *type = NULL;
    int vcpus;

5037
    if (vshCommandOptStringReq(ctl, cmd, "type", &type) < 0)
5038 5039
        return false;

5040
    if ((vcpus = virConnectGetMaxVcpus(ctl->conn, type)) < 0)
5041
        return false;
5042

5043 5044 5045 5046 5047 5048 5049 5050 5051
    vshPrint(ctl, "%d\n", vcpus);

    return true;
}

/*
 * "vcpucount" command
 */
static const vshCmdInfo info_vcpucount[] = {
5052 5053 5054 5055 5056 5057 5058
    {.name = "help",
     .data = N_("domain vcpu counts")
    },
    {.name = "desc",
     .data = N_("Returns the number of virtual CPUs used by the domain.")
    },
    {.name = NULL}
5059 5060 5061
};

static const vshCmdOptDef opts_vcpucount[] = {
5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "maximum",
     .type = VSH_OT_BOOL,
     .help = N_("get maximum cap on vcpus")
    },
    {.name = "active",
     .type = VSH_OT_BOOL,
     .help = N_("get number of currently active vcpus")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("get value from running domain")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("get value to be used on next boot")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("get value according to current domain state")
    },
    {.name = NULL}
5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153
};

static bool
cmdVcpucount(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;
    bool maximum = vshCommandOptBool(cmd, "maximum");
    bool active = vshCommandOptBool(cmd, "active");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
    bool all = maximum + active + current + config + live == 0;
    int count;

    /* We want one of each pair of mutually exclusive options; that
     * is, use of flags requires exactly two options.  We reject the
     * use of more than 2 flags later on.  */
    if (maximum + active + current + config + live == 1) {
        if (maximum || active) {
            vshError(ctl,
                     _("when using --%s, one of --config, --live, or --current "
                       "must be specified"),
                     maximum ? "maximum" : "active");
        } else {
            vshError(ctl,
                     _("when using --%s, either --maximum or --active must be "
                       "specified"),
                     (current ? "current" : config ? "config" : "live"));
        }
        return false;
    }

    /* Backwards compatibility: prior to 0.9.4,
     * VIR_DOMAIN_AFFECT_CURRENT was unsupported, and --current meant
     * the opposite of --maximum.  Translate the old '--current
     * --live' into the new '--active --live', while treating the new
     * '--maximum --current' correctly rather than rejecting it as
     * '--maximum --active'.  */
    if (!maximum && !active && current) {
        current = false;
        active = true;
    }

    if (maximum && active) {
        vshError(ctl, "%s",
                 _("--maximum and --active cannot both be specified"));
        return false;
    }
    if (current + config + live > 1) {
        vshError(ctl, "%s",
                 _("--config, --live, and --current are mutually exclusive"));
        return false;
    }

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    /* In all cases, try the new API first; if it fails because we are
     * talking to an older client, generally we try a fallback API
     * before giving up.  --current requires the new API, since we
     * don't know whether the domain is running or inactive.  */
    if (current) {
        count = virDomainGetVcpusFlags(dom,
                                       maximum ? VIR_DOMAIN_VCPU_MAXIMUM : 0);
        if (count < 0) {
E
Eric Blake 已提交
5154
            vshReportError(ctl);
5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172
            ret = false;
        } else {
            vshPrint(ctl, "%d\n", count);
        }
    }

    if (all || (maximum && config)) {
        count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
                                             VIR_DOMAIN_AFFECT_CONFIG));
        if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
                          || last_error->code == VIR_ERR_INVALID_ARG)) {
            char *tmp;
            char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
            if (xml && (tmp = strstr(xml, "<vcpu"))) {
                tmp = strchr(tmp, '>');
                if (!tmp || virStrToLong_i(tmp + 1, &tmp, 10, &count) < 0)
                    count = -1;
            }
5173
            vshResetLibvirtError();
5174 5175 5176 5177
            VIR_FREE(xml);
        }

        if (count < 0) {
E
Eric Blake 已提交
5178
            vshReportError(ctl);
5179 5180 5181 5182 5183 5184 5185
            ret = false;
        } else if (all) {
            vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("config"),
                     count);
        } else {
            vshPrint(ctl, "%d\n", count);
        }
5186
        vshResetLibvirtError();
5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197
    }

    if (all || (maximum && live)) {
        count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
                                             VIR_DOMAIN_AFFECT_LIVE));
        if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
                          || last_error->code == VIR_ERR_INVALID_ARG)) {
            count = virDomainGetMaxVcpus(dom);
        }

        if (count < 0) {
E
Eric Blake 已提交
5198
            vshReportError(ctl);
5199 5200 5201 5202 5203 5204 5205
            ret = false;
        } else if (all) {
            vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("live"),
                     count);
        } else {
            vshPrint(ctl, "%d\n", count);
        }
5206
        vshResetLibvirtError();
5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233
    }

    if (all || (active && config)) {
        count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_AFFECT_CONFIG);
        if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
                          || last_error->code == VIR_ERR_INVALID_ARG)) {
            char *tmp, *end;
            char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
            if (xml && (tmp = strstr(xml, "<vcpu"))) {
                end = strchr(tmp, '>');
                if (end) {
                    *end = '\0';
                    tmp = strstr(tmp, "current=");
                    if (!tmp)
                        tmp = end + 1;
                    else {
                        tmp += strlen("current=");
                        tmp += *tmp == '\'' || *tmp == '"';
                    }
                }
                if (!tmp || virStrToLong_i(tmp, &tmp, 10, &count) < 0)
                    count = -1;
            }
            VIR_FREE(xml);
        }

        if (count < 0) {
E
Eric Blake 已提交
5234
            vshReportError(ctl);
5235 5236 5237 5238 5239 5240 5241
            ret = false;
        } else if (all) {
            vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("config"),
                     count);
        } else {
            vshPrint(ctl, "%d\n", count);
        }
5242
        vshResetLibvirtError();
5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254
    }

    if (all || (active && live)) {
        count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_AFFECT_LIVE);
        if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
                          || last_error->code == VIR_ERR_INVALID_ARG)) {
            virDomainInfo info;
            if (virDomainGetInfo(dom, &info) == 0)
                count = info.nrVirtCpu;
        }

        if (count < 0) {
E
Eric Blake 已提交
5255
            vshReportError(ctl);
5256 5257 5258 5259 5260 5261 5262
            ret = false;
        } else if (all) {
            vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("live"),
                     count);
        } else {
            vshPrint(ctl, "%d\n", count);
        }
5263
        vshResetLibvirtError();
5264 5265 5266 5267 5268 5269 5270 5271 5272 5273
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "vcpuinfo" command
 */
static const vshCmdInfo info_vcpuinfo[] = {
5274 5275 5276 5277 5278 5279 5280
    {.name = "help",
     .data = N_("detailed domain vcpu information")
    },
    {.name = "desc",
     .data = N_("Returns basic information about the domain virtual CPUs.")
    },
    {.name = NULL}
5281 5282 5283
};

static const vshCmdOptDef opts_vcpuinfo[] = {
5284 5285 5286 5287 5288 5289
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306
};

static bool
cmdVcpuinfo(vshControl *ctl, const vshCmd *cmd)
{
    virDomainInfo info;
    virDomainPtr dom;
    virVcpuInfoPtr cpuinfo;
    unsigned char *cpumaps;
    int ncpus, maxcpu;
    size_t cpumaplen;
    bool ret = true;
    int n, m;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

5307
    if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382
        virDomainFree(dom);
        return false;
    }

    if (virDomainGetInfo(dom, &info) != 0) {
        virDomainFree(dom);
        return false;
    }

    cpuinfo = vshMalloc(ctl, sizeof(virVcpuInfo)*info.nrVirtCpu);
    cpumaplen = VIR_CPU_MAPLEN(maxcpu);
    cpumaps = vshMalloc(ctl, info.nrVirtCpu * cpumaplen);

    if ((ncpus = virDomainGetVcpus(dom,
                                   cpuinfo, info.nrVirtCpu,
                                   cpumaps, cpumaplen)) >= 0) {
        for (n = 0 ; n < ncpus ; n++) {
            vshPrint(ctl, "%-15s %d\n", _("VCPU:"), n);
            vshPrint(ctl, "%-15s %d\n", _("CPU:"), cpuinfo[n].cpu);
            vshPrint(ctl, "%-15s %s\n", _("State:"),
                     _(vshDomainVcpuStateToString(cpuinfo[n].state)));
            if (cpuinfo[n].cpuTime != 0) {
                double cpuUsed = cpuinfo[n].cpuTime;

                cpuUsed /= 1000000000.0;

                vshPrint(ctl, "%-15s %.1lfs\n", _("CPU time:"), cpuUsed);
            }
            vshPrint(ctl, "%-15s ", _("CPU Affinity:"));
            for (m = 0; m < maxcpu; m++) {
                vshPrint(ctl, "%c", VIR_CPU_USABLE(cpumaps, cpumaplen, n, m) ? 'y' : '-');
            }
            vshPrint(ctl, "\n");
            if (n < (ncpus - 1)) {
                vshPrint(ctl, "\n");
            }
        }
    } else {
        if (info.state == VIR_DOMAIN_SHUTOFF &&
            (ncpus = virDomainGetVcpuPinInfo(dom, info.nrVirtCpu,
                                             cpumaps, cpumaplen,
                                             VIR_DOMAIN_AFFECT_CONFIG)) >= 0) {

            /* fallback plan to use virDomainGetVcpuPinInfo */

            for (n = 0; n < ncpus; n++) {
                vshPrint(ctl, "%-15s %d\n", _("VCPU:"), n);
                vshPrint(ctl, "%-15s %s\n", _("CPU:"), _("N/A"));
                vshPrint(ctl, "%-15s %s\n", _("State:"), _("N/A"));
                vshPrint(ctl, "%-15s %s\n", _("CPU time"), _("N/A"));
                vshPrint(ctl, "%-15s ", _("CPU Affinity:"));
                for (m = 0; m < maxcpu; m++) {
                    vshPrint(ctl, "%c",
                             VIR_CPU_USABLE(cpumaps, cpumaplen, n, m) ? 'y' : '-');
                }
                vshPrint(ctl, "\n");
                if (n < (ncpus - 1)) {
                    vshPrint(ctl, "\n");
                }
            }
        } else {
            ret = false;
        }
    }

    VIR_FREE(cpumaps);
    VIR_FREE(cpuinfo);
    virDomainFree(dom);
    return ret;
}

/*
 * "vcpupin" command
 */
static const vshCmdInfo info_vcpupin[] = {
5383 5384 5385 5386 5387 5388 5389
    {.name = "help",
     .data = N_("control or query domain vcpu affinity")
    },
    {.name = "desc",
     .data = N_("Pin domain VCPUs to host physical CPUs.")
    },
    {.name = NULL}
5390 5391 5392
};

static const vshCmdOptDef opts_vcpupin[] = {
5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "vcpu",
     .type = VSH_OT_INT,
     .help = N_("vcpu number")
    },
    {.name = "cpulist",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_EMPTY_OK,
     .help = N_("host cpu number(s) to set, or omit option to query")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
5420 5421
};

H
Hu Tao 已提交
5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460
/*
 * Helper function to print vcpupin info.
 */
static bool
vshPrintPinInfo(unsigned char *cpumaps, size_t cpumaplen,
                int maxcpu, int vcpuindex)
{
    int cpu, lastcpu;
    bool bit, lastbit, isInvert;

    if (!cpumaps || cpumaplen <= 0 || maxcpu <= 0 || vcpuindex < 0) {
        return false;
    }

    bit = lastbit = isInvert = false;
    lastcpu = -1;

    for (cpu = 0; cpu < maxcpu; cpu++) {
        bit = VIR_CPU_USABLE(cpumaps, cpumaplen, vcpuindex, cpu);

        isInvert = (bit ^ lastbit);
        if (bit && isInvert) {
            if (lastcpu == -1)
                vshPrint(ctl, "%d", cpu);
            else
                vshPrint(ctl, ",%d", cpu);
            lastcpu = cpu;
        }
        if (!bit && isInvert && lastcpu != cpu - 1)
            vshPrint(ctl, "-%d", cpu - 1);
        lastbit = bit;
    }
    if (bit && !isInvert) {
        vshPrint(ctl, "-%d", maxcpu - 1);
    }

    return true;
}

5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551
static unsigned char *
vshParseCPUList(vshControl *ctl, const char *cpulist,
                int maxcpu, size_t cpumaplen)
{
    unsigned char *cpumap = NULL;
    const char *cur;
    bool unuse = false;
    int i, cpu, lastcpu;

    cpumap = vshCalloc(ctl, cpumaplen, sizeof(*cpumap));

    /* Parse cpulist */
    cur = cpulist;
    if (*cur == 'r') {
        for (cpu = 0; cpu < maxcpu; cpu++)
            VIR_USE_CPU(cpumap, cpu);
        return cpumap;
    } else if (*cur == 0) {
        goto error;
    }

    while (*cur != 0) {
        /* The char '^' denotes exclusive */
        if (*cur == '^') {
            cur++;
            unuse = true;
        }

        /* Parse physical CPU number */
        if (!c_isdigit(*cur))
            goto error;

        if ((cpu = virParseNumber(&cur)) < 0)
            goto error;

        if (cpu >= maxcpu) {
            vshError(ctl, _("Physical CPU %d doesn't exist."), cpu);
            goto cleanup;
        }

        virSkipSpaces(&cur);

        if (*cur == ',' || *cur == 0) {
            if (unuse)
                VIR_UNUSE_CPU(cpumap, cpu);
            else
                VIR_USE_CPU(cpumap, cpu);
        } else if (*cur == '-') {
            /* The char '-' denotes range */
            if (unuse)
                goto error;
            cur++;
            virSkipSpaces(&cur);

            /* Parse the end of range */
            lastcpu = virParseNumber(&cur);

            if (lastcpu < cpu)
                goto error;

            if (lastcpu >= maxcpu) {
                vshError(ctl, _("Physical CPU %d doesn't exist."), lastcpu);
                goto cleanup;
            }

            for (i = cpu; i <= lastcpu; i++)
                VIR_USE_CPU(cpumap, i);

            virSkipSpaces(&cur);
        }

        if (*cur == ',') {
            cur++;
            virSkipSpaces(&cur);
            unuse = false;
        } else if (*cur == 0) {
            break;
        } else {
            goto error;
        }
    }

    return cpumap;

error:
    vshError(ctl, "%s", _("cpulist: Invalid format."));
cleanup:
    VIR_FREE(cpumap);
    return NULL;
}

5552 5553 5554 5555 5556 5557 5558
static bool
cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
{
    virDomainInfo info;
    virDomainPtr dom;
    int vcpu = -1;
    const char *cpulist = NULL;
5559
    bool ret = false;
5560 5561 5562
    unsigned char *cpumap = NULL;
    unsigned char *cpumaps = NULL;
    size_t cpumaplen;
5563
    int i, maxcpu, ncpus;
5564 5565 5566 5567
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
    bool query = false; /* Query mode if no cpulist */
5568
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
5569

5570 5571 5572 5573 5574 5575 5576 5577 5578 5579
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
    /* none of the options were specified */
    if (!current && !live && !config)
        flags = -1;
5580

5581
    if (vshCommandOptStringReq(ctl, cmd, "cpulist", &cpulist) < 0)
5582 5583
        return false;

5584
    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
5585
        return false;
5586

5587 5588 5589 5590 5591 5592 5593 5594 5595 5596
    query = !cpulist;

    /* In query mode, "vcpu" is optional */
    if (vshCommandOptInt(cmd, "vcpu", &vcpu) < !query) {
        vshError(ctl, "%s",
                 _("vcpupin: Invalid or missing vCPU number."));
        virDomainFree(dom);
        return false;
    }

5597
    if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633
        virDomainFree(dom);
        return false;
    }

    if (virDomainGetInfo(dom, &info) != 0) {
        vshError(ctl, "%s", _("vcpupin: failed to get domain information."));
        virDomainFree(dom);
        return false;
    }

    if (vcpu >= info.nrVirtCpu) {
        vshError(ctl, "%s", _("vcpupin: Invalid vCPU number."));
        virDomainFree(dom);
        return false;
    }

    cpumaplen = VIR_CPU_MAPLEN(maxcpu);

    /* Query mode: show CPU affinity information then exit.*/
    if (query) {
        /* When query mode and neither "live", "config" nor "current"
         * is specified, set VIR_DOMAIN_AFFECT_CURRENT as flags */
        if (flags == -1)
            flags = VIR_DOMAIN_AFFECT_CURRENT;

        cpumaps = vshMalloc(ctl, info.nrVirtCpu * cpumaplen);
        if ((ncpus = virDomainGetVcpuPinInfo(dom, info.nrVirtCpu,
                                             cpumaps, cpumaplen, flags)) >= 0) {

            vshPrint(ctl, "%s %s\n", _("VCPU:"), _("CPU Affinity"));
            vshPrint(ctl, "----------------------------------\n");
            for (i = 0; i < ncpus; i++) {
               if (vcpu != -1 && i != vcpu)
                   continue;

               vshPrint(ctl, "%4d: ", i);
H
Hu Tao 已提交
5634
               ret = vshPrintPinInfo(cpumaps, cpumaplen, maxcpu, i);
5635
               vshPrint(ctl, "\n");
H
Hu Tao 已提交
5636 5637
               if (!ret)
                   break;
5638 5639 5640 5641 5642 5643 5644 5645
            }

        }
        VIR_FREE(cpumaps);
        goto cleanup;
    }

    /* Pin mode: pinning specified vcpu to specified physical cpus*/
5646 5647
    if (!(cpumap = vshParseCPUList(ctl, cpulist, maxcpu, cpumaplen)))
        goto cleanup;
5648 5649

    if (flags == -1) {
5650 5651
        if (virDomainPinVcpu(dom, vcpu, cpumap, cpumaplen) != 0)
            goto cleanup;
5652
    } else {
5653 5654
        if (virDomainPinVcpuFlags(dom, vcpu, cpumap, cpumaplen, flags) != 0)
            goto cleanup;
5655 5656
    }

5657
    ret = true;
5658 5659 5660 5661 5662 5663
cleanup:
    VIR_FREE(cpumap);
    virDomainFree(dom);
    return ret;
}

H
Hu Tao 已提交
5664 5665 5666 5667
/*
 * "emulatorpin" command
 */
static const vshCmdInfo info_emulatorpin[] = {
5668 5669 5670 5671 5672 5673 5674
    {.name = "help",
     .data = N_("control or query domain emulator affinity")
    },
    {.name = "desc",
     .data = N_("Pin domain emulator threads to host physical CPUs.")
    },
    {.name = NULL}
H
Hu Tao 已提交
5675 5676 5677
};

static const vshCmdOptDef opts_emulatorpin[] = {
5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "cpulist",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_EMPTY_OK,
     .help = N_("host cpu number(s) to set, or omit option to query")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
H
Hu Tao 已提交
5701 5702 5703 5704 5705 5706 5707
};

static bool
cmdEmulatorPin(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *cpulist = NULL;
5708
    bool ret = false;
H
Hu Tao 已提交
5709 5710 5711
    unsigned char *cpumap = NULL;
    unsigned char *cpumaps = NULL;
    size_t cpumaplen;
5712
    int maxcpu;
H
Hu Tao 已提交
5713 5714 5715 5716
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
    bool query = false; /* Query mode if no cpulist */
5717
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
H
Hu Tao 已提交
5718

5719 5720 5721 5722 5723 5724 5725 5726 5727 5728
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
    /* none of the options were specified */
    if (!current && !live && !config)
        flags = -1;
H
Hu Tao 已提交
5729 5730 5731 5732

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

5733
    if (vshCommandOptStringReq(ctl, cmd, "cpulist", &cpulist) < 0) {
H
Hu Tao 已提交
5734 5735 5736 5737 5738
        virDomainFree(dom);
        return false;
    }
    query = !cpulist;

5739
    if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
H
Hu Tao 已提交
5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766
        virDomainFree(dom);
        return false;
    }

    cpumaplen = VIR_CPU_MAPLEN(maxcpu);

    /* Query mode: show CPU affinity information then exit.*/
    if (query) {
        /* When query mode and neither "live", "config" nor "current"
         * is specified, set VIR_DOMAIN_AFFECT_CURRENT as flags */
        if (flags == -1)
            flags = VIR_DOMAIN_AFFECT_CURRENT;

        cpumaps = vshMalloc(ctl, cpumaplen);
        if (virDomainGetEmulatorPinInfo(dom, cpumaps,
                                        cpumaplen, flags) >= 0) {
            vshPrint(ctl, "%s %s\n", _("emulator:"), _("CPU Affinity"));
            vshPrint(ctl, "----------------------------------\n");
            vshPrint(ctl, "       *: ");
            ret = vshPrintPinInfo(cpumaps, cpumaplen, maxcpu, 0);
            vshPrint(ctl, "\n");
        }
        VIR_FREE(cpumaps);
        goto cleanup;
    }

    /* Pin mode: pinning emulator threads to specified physical cpus*/
5767 5768
    if (!(cpumap = vshParseCPUList(ctl, cpulist, maxcpu, cpumaplen)))
        goto cleanup;
H
Hu Tao 已提交
5769 5770 5771 5772 5773

    if (flags == -1)
        flags = VIR_DOMAIN_AFFECT_LIVE;

    if (virDomainPinEmulator(dom, cpumap, cpumaplen, flags) != 0)
5774
        goto cleanup;
H
Hu Tao 已提交
5775

5776
    ret = true;
H
Hu Tao 已提交
5777 5778 5779 5780 5781 5782
cleanup:
    VIR_FREE(cpumap);
    virDomainFree(dom);
    return ret;
}

5783 5784 5785 5786
/*
 * "setvcpus" command
 */
static const vshCmdInfo info_setvcpus[] = {
5787 5788 5789 5790 5791 5792 5793
    {.name = "help",
     .data = N_("change number of virtual CPUs")
    },
    {.name = "desc",
     .data = N_("Change the number of virtual CPUs in the guest domain.")
    },
    {.name = NULL}
5794 5795 5796
};

static const vshCmdOptDef opts_setvcpus[] = {
5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "count",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("number of virtual CPUs")
    },
    {.name = "maximum",
     .type = VSH_OT_BOOL,
     .help = N_("set maximum limit on next boot")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835
};

static bool
cmdSetvcpus(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int count = 0;
    bool ret = true;
    bool maximum = vshCommandOptBool(cmd, "maximum");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
5836
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
5837

5838 5839 5840 5841 5842 5843 5844 5845 5846 5847
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
    /* none of the options were specified */
    if (!current && !live && !config && !maximum)
        flags = -1;
5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshCommandOptInt(cmd, "count", &count) < 0 || count <= 0) {
        vshError(ctl, "%s", _("Invalid number of virtual CPUs"));
        goto cleanup;
    }

    if (flags == -1) {
        if (virDomainSetVcpus(dom, count) != 0) {
            ret = false;
        }
    } else {
        /* If the --maximum flag was given, we need to ensure only the
           --config flag is in effect as well */
        if (maximum) {
            vshDebug(ctl, VSH_ERR_DEBUG, "--maximum flag was given\n");

            flags |= VIR_DOMAIN_VCPU_MAXIMUM;

            /* If neither the --config nor --live flags were given, OR
               if just the --live flag was given, we need to error out
               warning the user that the --maximum flag can only be used
               with the --config flag */
            if (live || !config) {

                /* Warn the user about the invalid flag combination */
                vshError(ctl, _("--maximum must be used with --config only"));
                ret = false;
                goto cleanup;
            }
        }

        /* Apply the virtual cpu changes */
        if (virDomainSetVcpusFlags(dom, count, flags) < 0) {
            ret = false;
        }
    }

  cleanup:
    virDomainFree(dom);
    return ret;
}

/*
 * "cpu-compare" command
 */
static const vshCmdInfo info_cpu_compare[] = {
5897 5898 5899 5900 5901 5902 5903
    {.name = "help",
     .data = N_("compare host CPU with a CPU described by an XML file")
    },
    {.name = "desc",
     .data = N_("compare CPU with host CPU")
    },
    {.name = NULL}
5904 5905 5906
};

static const vshCmdOptDef opts_cpu_compare[] = {
5907 5908 5909 5910 5911 5912
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("file containing an XML CPU description")
    },
    {.name = NULL}
5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928
};

static bool
cmdCPUCompare(vshControl *ctl, const vshCmd *cmd)
{
    const char *from = NULL;
    bool ret = false;
    char *buffer;
    int result;
    const char *snippet;

    xmlDocPtr xml = NULL;
    xmlXPathContextPtr ctxt = NULL;
    xmlBufferPtr xml_buf = NULL;
    xmlNodePtr node;

5929
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
5930 5931
        return false;

5932
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998
        return false;

    /* try to extract the CPU element from as it would appear in a domain XML*/
    if (!(xml = virXMLParseStringCtxt(buffer, from, &ctxt)))
        goto cleanup;

    if ((node = virXPathNode("/cpu|"
                             "/domain/cpu|"
                              "/capabilities/host/cpu", ctxt))) {
        if (!(xml_buf = xmlBufferCreate())) {
            vshError(ctl, _("Can't create XML buffer to extract CPU element."));
            goto cleanup;
        }

        if (xmlNodeDump(xml_buf, xml, node, 0, 0) < 0) {
            vshError(ctl, _("Failed to extract CPU element snippet from domain XML."));
            goto cleanup;
        }

        snippet = (const char *) xmlBufferContent(xml_buf);
    } else {
        vshError(ctl, _("File '%s' does not contain a <cpu> element or is not "
                        "a valid domain or capabilities XML"), from);
        goto cleanup;
    }

    result = virConnectCompareCPU(ctl->conn, snippet, 0);

    switch (result) {
    case VIR_CPU_COMPARE_INCOMPATIBLE:
        vshPrint(ctl, _("CPU described in %s is incompatible with host CPU\n"),
                 from);
        goto cleanup;
        break;

    case VIR_CPU_COMPARE_IDENTICAL:
        vshPrint(ctl, _("CPU described in %s is identical to host CPU\n"),
                 from);
        break;

    case VIR_CPU_COMPARE_SUPERSET:
        vshPrint(ctl, _("Host CPU is a superset of CPU described in %s\n"),
                 from);
        break;

    case VIR_CPU_COMPARE_ERROR:
    default:
        vshError(ctl, _("Failed to compare host CPU with %s"), from);
        goto cleanup;
    }

    ret = true;

cleanup:
    VIR_FREE(buffer);
    xmlBufferFree(xml_buf);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);

    return ret;
}

/*
 * "cpu-baseline" command
 */
static const vshCmdInfo info_cpu_baseline[] = {
5999 6000 6001 6002 6003 6004 6005
    {.name = "help",
     .data = N_("compute baseline CPU")
    },
    {.name = "desc",
     .data = N_("Compute baseline CPU for a set of given CPUs.")
    },
    {.name = NULL}
6006 6007 6008
};

static const vshCmdOptDef opts_cpu_baseline[] = {
6009 6010 6011 6012 6013 6014
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("file containing XML CPU descriptions")
    },
    {.name = NULL}
6015 6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033
};

static bool
cmdCPUBaseline(vshControl *ctl, const vshCmd *cmd)
{
    const char *from = NULL;
    bool ret = false;
    char *buffer;
    char *result = NULL;
    const char **list = NULL;
    int count = 0;

    xmlDocPtr xml = NULL;
    xmlNodePtr *node_list = NULL;
    xmlXPathContextPtr ctxt = NULL;
    xmlBufferPtr xml_buf = NULL;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    int i;

6034
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
6035 6036
        return false;

E
Eric Blake 已提交
6037
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103 6104 6105 6106 6107
        return false;

    /* add a separate container around the xml */
    virBufferStrcat(&buf, "<container>", buffer, "</container>", NULL);
    if (virBufferError(&buf))
        goto no_memory;

    VIR_FREE(buffer);
    buffer = virBufferContentAndReset(&buf);


    if (!(xml = virXMLParseStringCtxt(buffer, from, &ctxt)))
        goto cleanup;

    if ((count = virXPathNodeSet("//cpu[not(ancestor::cpus)]",
                                 ctxt, &node_list)) == -1)
        goto cleanup;

    if (count == 0) {
        vshError(ctl, _("No host CPU specified in '%s'"), from);
        goto cleanup;
    }

    list = vshCalloc(ctl, count, sizeof(const char *));

    if (!(xml_buf = xmlBufferCreate()))
        goto no_memory;

    for (i = 0; i < count; i++) {
        xmlBufferEmpty(xml_buf);

        if (xmlNodeDump(xml_buf, xml,  node_list[i], 0, 0) < 0) {
            vshError(ctl, _("Failed to extract <cpu> element"));
            goto cleanup;
        }

        list[i] = vshStrdup(ctl, (const char *)xmlBufferContent(xml_buf));
    }

    result = virConnectBaselineCPU(ctl->conn, list, count, 0);

    if (result) {
        vshPrint(ctl, "%s", result);
        ret = true;
    }

cleanup:
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    xmlBufferFree(xml_buf);
    VIR_FREE(result);
    if (list != NULL && count > 0) {
        for (i = 0; i < count; i++)
            VIR_FREE(list[i]);
    }
    VIR_FREE(list);
    VIR_FREE(buffer);

    return ret;

no_memory:
    vshError(ctl, "%s", _("Out of memory"));
    ret = false;
    goto cleanup;
}

/*
 * "cpu-stats" command
 */
static const vshCmdInfo info_cpu_stats[] = {
6108 6109 6110 6111 6112 6113 6114
    {.name = "help",
     .data = N_("show domain cpu statistics")
    },
    {.name = "desc",
     .data = N_("Display per-CPU and total statistics about the domain's CPUs")
    },
    {.name = NULL},
6115 6116 6117
};

static const vshCmdOptDef opts_cpu_stats[] = {
6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "total",
     .type = VSH_OT_BOOL,
     .help = N_("Show total statistics only")
    },
    {.name = "start",
     .type = VSH_OT_INT,
     .help = N_("Show statistics from this CPU")
    },
    {.name = "count",
     .type = VSH_OT_INT,
     .help = N_("Number of shown CPUs at most")
    },
    {.name = NULL},
6136 6137 6138 6139 6140 6141 6142
};

static bool
cmdCPUStats(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    virTypedParameterPtr params = NULL;
6143
    int i, j, pos, max_id, cpu = -1, show_count = -1, nparams = 0;
6144 6145
    bool show_total = false, show_per_cpu = false;
    unsigned int flags = 0;
6146
    bool ret = false;
6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    show_total = vshCommandOptBool(cmd, "total");
    if (vshCommandOptInt(cmd, "start", &cpu) > 0)
        show_per_cpu = true;
    if (vshCommandOptInt(cmd, "count", &show_count) > 0)
        show_per_cpu = true;

    /* default show per_cpu and total */
    if (!show_total && !show_per_cpu) {
        show_total = true;
        show_per_cpu = true;
    }

    if (!show_per_cpu) /* show total stats only */
        goto do_show_total;

    /* check cpu, show_count, and ignore wrong argument */
    if (cpu < 0)
        cpu = 0;

    /* get number of cpus on the node */
    if ((max_id = virDomainGetCPUStats(dom, NULL, 0, 0, 0, flags)) < 0)
        goto failed_stats;
    if (show_count < 0 || show_count > max_id)
        show_count = max_id;

    /* get percpu information */
    if ((nparams = virDomainGetCPUStats(dom, NULL, 0, 0, 1, flags)) < 0)
        goto failed_stats;

    if (!nparams) {
        vshPrint(ctl, "%s", _("No per-CPU stats available"));
        goto do_show_total;
    }

    if (VIR_ALLOC_N(params, nparams * MIN(show_count, 128)) < 0)
6186
        goto no_memory;
6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216

    while (show_count) {
        int ncpus = MIN(show_count, 128);

        if (virDomainGetCPUStats(dom, params, nparams, cpu, ncpus, flags) < 0)
            goto failed_stats;

        for (i = 0; i < ncpus; i++) {
            if (params[i * nparams].type == 0) /* this cpu is not in the map */
                continue;
            vshPrint(ctl, "CPU%d:\n", cpu + i);

            for (j = 0; j < nparams; j++) {
                pos = i * nparams + j;
                vshPrint(ctl, "\t%-12s ", params[pos].field);
                if ((STREQ(params[pos].field, VIR_DOMAIN_CPU_STATS_CPUTIME) ||
                     STREQ(params[pos].field, VIR_DOMAIN_CPU_STATS_VCPUTIME)) &&
                    params[j].type == VIR_TYPED_PARAM_ULLONG) {
                    vshPrint(ctl, "%9lld.%09lld seconds\n",
                             params[pos].value.ul / 1000000000,
                             params[pos].value.ul % 1000000000);
                } else {
                    const char *s = vshGetTypedParamValue(ctl, &params[pos]);
                    vshPrint(ctl, _("%s\n"), s);
                    VIR_FREE(s);
                }
            }
        }
        cpu += ncpus;
        show_count -= ncpus;
6217
        virTypedParamsClear(params, nparams * ncpus);
6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228 6229 6230 6231 6232 6233
    }
    VIR_FREE(params);

do_show_total:
    if (!show_total)
        goto cleanup;

    /* get supported num of parameter for total statistics */
    if ((nparams = virDomainGetCPUStats(dom, NULL, 0, -1, 1, flags)) < 0)
        goto failed_stats;

    if (!nparams) {
        vshPrint(ctl, "%s", _("No total stats available"));
        goto cleanup;
    }

6234 6235
    if (VIR_ALLOC_N(params, nparams) < 0)
        goto no_memory;
6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256

    /* passing start_cpu == -1 gives us domain's total status */
    if ((nparams = virDomainGetCPUStats(dom, params, nparams, -1, 1, flags)) < 0)
        goto failed_stats;

    vshPrint(ctl, _("Total:\n"));
    for (i = 0; i < nparams; i++) {
        vshPrint(ctl, "\t%-12s ", params[i].field);
        if ((STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_CPUTIME) ||
             STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_USERTIME) ||
             STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_SYSTEMTIME)) &&
            params[i].type == VIR_TYPED_PARAM_ULLONG) {
            vshPrint(ctl, "%9lld.%09lld seconds\n",
                     params[i].value.ul / 1000000000,
                     params[i].value.ul % 1000000000);
        } else {
            char *s = vshGetTypedParamValue(ctl, &params[i]);
            vshPrint(ctl, "%s\n", s);
            VIR_FREE(s);
        }
    }
6257 6258

    ret = true;
6259 6260

cleanup:
6261
    virTypedParamsFree(params, nparams);
6262
    virDomainFree(dom);
6263
    return ret;
6264

6265
no_memory:
6266
    virReportOOMError();
6267
    goto cleanup;
6268 6269

failed_stats:
6270 6271 6272
    vshError(ctl, _("Failed to retrieve CPU statistics for domain '%s'"),
             virDomainGetName(dom));
    goto cleanup;
6273 6274 6275 6276 6277 6278
}

/*
 * "create" command
 */
static const vshCmdInfo info_create[] = {
6279 6280 6281 6282 6283 6284 6285
    {.name = "help",
     .data = N_("create a domain from an XML file")
    },
    {.name = "desc",
     .data = N_("Create a domain.")
    },
    {.name = NULL}
6286 6287 6288
};

static const vshCmdOptDef opts_create[] = {
6289 6290 6291 6292 6293
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("file containing an XML domain description")
    },
6294
#ifndef WIN32
6295 6296 6297 6298
    {.name = "console",
     .type = VSH_OT_BOOL,
     .help = N_("attach to console after creation")
    },
6299
#endif
6300 6301 6302 6303 6304 6305 6306 6307 6308
    {.name = "paused",
     .type = VSH_OT_BOOL,
     .help = N_("leave the guest paused after creation")
    },
    {.name = "autodestroy",
     .type = VSH_OT_BOOL,
     .help = N_("automatically destroy the guest when virsh disconnects")
    },
    {.name = NULL}
6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322
};

static bool
cmdCreate(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *from = NULL;
    bool ret = true;
    char *buffer;
#ifndef WIN32
    bool console = vshCommandOptBool(cmd, "console");
#endif
    unsigned int flags = VIR_DOMAIN_NONE;

6323
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
6324 6325
        return false;

E
Eric Blake 已提交
6326
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355
        return false;

    if (vshCommandOptBool(cmd, "paused"))
        flags |= VIR_DOMAIN_START_PAUSED;
    if (vshCommandOptBool(cmd, "autodestroy"))
        flags |= VIR_DOMAIN_START_AUTODESTROY;

    dom = virDomainCreateXML(ctl->conn, buffer, flags);
    VIR_FREE(buffer);

    if (dom != NULL) {
        vshPrint(ctl, _("Domain %s created from %s\n"),
                 virDomainGetName(dom), from);
#ifndef WIN32
        if (console)
            cmdRunConsole(ctl, dom, NULL, 0);
#endif
        virDomainFree(dom);
    } else {
        vshError(ctl, _("Failed to create domain from %s"), from);
        ret = false;
    }
    return ret;
}

/*
 * "define" command
 */
static const vshCmdInfo info_define[] = {
6356 6357 6358 6359 6360 6361 6362
    {.name = "help",
     .data = N_("define (but don't start) a domain from an XML file")
    },
    {.name = "desc",
     .data = N_("Define a domain.")
    },
    {.name = NULL}
6363 6364 6365
};

static const vshCmdOptDef opts_define[] = {
6366 6367 6368 6369 6370 6371
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("file containing an XML domain description")
    },
    {.name = NULL}
6372 6373 6374 6375 6376 6377 6378 6379 6380 6381
};

static bool
cmdDefine(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *from = NULL;
    bool ret = true;
    char *buffer;

6382
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
6383 6384
        return false;

E
Eric Blake 已提交
6385
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405
        return false;

    dom = virDomainDefineXML(ctl->conn, buffer);
    VIR_FREE(buffer);

    if (dom != NULL) {
        vshPrint(ctl, _("Domain %s defined from %s\n"),
                 virDomainGetName(dom), from);
        virDomainFree(dom);
    } else {
        vshError(ctl, _("Failed to define domain from %s"), from);
        ret = false;
    }
    return ret;
}

/*
 * "destroy" command
 */
static const vshCmdInfo info_destroy[] = {
6406 6407 6408 6409 6410 6411 6412
    {.name = "help",
     .data = N_("destroy (stop) a domain")
    },
    {.name = "desc",
     .data = N_("Forcefully stop a given domain, but leave its resources intact.")
    },
    {.name = NULL}
6413 6414 6415
};

static const vshCmdOptDef opts_destroy[] = {
6416 6417 6418 6419 6420 6421 6422 6423 6424 6425
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "graceful",
     .type = VSH_OT_BOOL,
     .help = N_("terminate gracefully")
    },
    {.name = NULL}
6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462
};

static bool
cmdDestroy(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;
    const char *name;
    unsigned int flags = 0;
    int result;

    if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
        return false;

    if (vshCommandOptBool(cmd, "graceful"))
       flags |= VIR_DOMAIN_DESTROY_GRACEFUL;

    if (flags)
       result = virDomainDestroyFlags(dom, VIR_DOMAIN_DESTROY_GRACEFUL);
    else
       result = virDomainDestroy(dom);

    if (result == 0) {
        vshPrint(ctl, _("Domain %s destroyed\n"), name);
    } else {
        vshError(ctl, _("Failed to destroy domain %s"), name);
        ret = false;
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "desc" command for managing domain description and title
 */
static const vshCmdInfo info_desc[] = {
6463 6464 6465 6466 6467 6468 6469
    {.name = "help",
     .data = N_("show or set domain's description or title")
    },
    {.name = "desc",
     .data = N_("Allows to show or modify description or title of a domain.")
    },
    {.name = NULL}
6470 6471 6472
};

static const vshCmdOptDef opts_desc[] = {
6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("modify/get running state")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("modify/get persistent configuration")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("modify/get current state configuration")
    },
    {.name = "title",
     .type = VSH_OT_BOOL,
     .help = N_("modify/get the title instead of description")
    },
    {.name = "edit",
     .type = VSH_OT_BOOL,
     .help = N_("open an editor to modify the description")
    },
    {.name = "new-desc",
     .type = VSH_OT_ARGV,
     .help = N_("message")
    },
    {.name = NULL}
6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527
};

static bool
cmdDesc(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
{
    virDomainPtr dom;
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");

    bool title = vshCommandOptBool(cmd, "title");
    bool edit = vshCommandOptBool(cmd, "edit");

    int state;
    int type;
    char *desc = NULL;
    char *desc_edited = NULL;
    char *tmp = NULL;
    char *tmpstr;
    const vshCmdOpt *opt = NULL;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    bool pad = false;
    bool ret = false;
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;

6528 6529 6530 6531 6532 6533 6534
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if ((state = vshDomainState(ctl, dom, NULL)) < 0)
        goto cleanup;

    while ((opt = vshCommandOptArgv(cmd, opt))) {
        if (pad)
            virBufferAddChar(&buf, ' ');
        pad = true;
        virBufferAdd(&buf, opt->data, -1);
    }

    if (title)
        type = VIR_DOMAIN_METADATA_TITLE;
    else
        type = VIR_DOMAIN_METADATA_DESCRIPTION;

    if (virBufferError(&buf)) {
        vshPrint(ctl, "%s", _("Failed to collect new description/title"));
        goto cleanup;
    }
    desc = virBufferContentAndReset(&buf);

    if (edit || desc) {
        if (!desc) {
                desc = vshGetDomainDescription(ctl, dom, title,
                                           config?VIR_DOMAIN_XML_INACTIVE:0);
                if (!desc)
                    goto cleanup;
        }

        if (edit) {
            /* Create and open the temporary file. */
E
Eric Blake 已提交
6570
            if (!(tmp = vshEditWriteToTempFile(ctl, desc)))
6571 6572 6573
                goto cleanup;

            /* Start the editor. */
E
Eric Blake 已提交
6574
            if (vshEditFile(ctl, tmp) == -1)
6575 6576 6577
                goto cleanup;

            /* Read back the edited file. */
E
Eric Blake 已提交
6578
            if (!(desc_edited = vshEditReadBackFile(ctl, tmp)))
6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636
                goto cleanup;

            /* strip a possible newline at the end of file; some
             * editors enforce a newline, this makes editing the title
             * more convenient */
            if (title &&
                (tmpstr = strrchr(desc_edited, '\n')) &&
                *(tmpstr+1) == '\0')
                *tmpstr = '\0';

            /* Compare original XML with edited.  Has it changed at all? */
            if (STREQ(desc, desc_edited)) {
                vshPrint(ctl, _("Domain description not changed.\n"));
                ret = true;
                goto cleanup;
            }

            VIR_FREE(desc);
            desc = desc_edited;
            desc_edited = NULL;
        }

        if (virDomainSetMetadata(dom, type, desc, NULL, NULL, flags) < 0) {
            vshError(ctl, "%s",
                     _("Failed to set new domain description"));
            goto cleanup;
        }
        vshPrint(ctl, "%s", _("Domain description updated successfully"));
    } else {
        desc = vshGetDomainDescription(ctl, dom, title,
                                       config?VIR_DOMAIN_XML_INACTIVE:0);
        if (!desc)
            goto cleanup;

        if (strlen(desc) > 0)
            vshPrint(ctl, "%s", desc);
        else
            vshPrint(ctl, _("No description for domain: %s"),
                     virDomainGetName(dom));
    }

    ret = true;
cleanup:
    VIR_FREE(desc_edited);
    VIR_FREE(desc);
    if (tmp) {
        unlink(tmp);
        VIR_FREE(tmp);
    }
    if (dom)
        virDomainFree(dom);
    return ret;
}

/*
 * "inject-nmi" command
 */
static const vshCmdInfo info_inject_nmi[] = {
6637 6638 6639 6640 6641 6642 6643
    {.name = "help",
     .data = N_("Inject NMI to the guest")
    },
    {.name = "desc",
     .data = N_("Inject NMI to the guest domain.")
    },
    {.name = NULL}
6644 6645 6646
};

static const vshCmdOptDef opts_inject_nmi[] = {
6647 6648 6649 6650 6651 6652
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674
};

static bool
cmdInjectNMI(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int ret = true;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (virDomainInjectNMI(dom, 0) < 0)
            ret = false;

    virDomainFree(dom);
    return ret;
}

/*
 * "send-key" command
 */
static const vshCmdInfo info_send_key[] = {
6675 6676 6677 6678 6679 6680 6681
    {.name = "help",
     .data = N_("Send keycodes to the guest")
    },
    {.name = "desc",
     .data = N_("Send keycodes (integers or symbolic names) to the guest")
    },
    {.name = NULL}
6682 6683 6684
};

static const vshCmdOptDef opts_send_key[] = {
6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "codeset",
     .type = VSH_OT_STRING,
     .flags = VSH_OFLAG_REQ_OPT,
     .help = N_("the codeset of keycodes, default:linux")
    },
    {.name = "holdtime",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ_OPT,
     .help = N_("the time (in milliseconds) how long the keys will be held")
    },
    {.name = "keycode",
     .type = VSH_OT_ARGV,
     .flags = VSH_OFLAG_REQ,
     .help = N_("the key code")
    },
    {.name = NULL}
6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770
};

static int
get_integer_keycode(const char *key_name)
{
    unsigned int val;

    if (virStrToLong_ui(key_name, NULL, 0, &val) < 0 || val > 0xffff || !val)
        return -1;
    return val;
}

static bool
cmdSendKey(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int ret = false;
    const char *codeset_option;
    int codeset;
    int holdtime;
    int count = 0;
    const vshCmdOpt *opt = NULL;
    int keycode;
    unsigned int keycodes[VIR_DOMAIN_SEND_KEY_MAX_KEYS];

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshCommandOptString(cmd, "codeset", &codeset_option) <= 0)
        codeset_option = "linux";

    if (vshCommandOptInt(cmd, "holdtime", &holdtime) <= 0)
        holdtime = 0;

    codeset = virKeycodeSetTypeFromString(codeset_option);
    if ((int)codeset < 0) {
        vshError(ctl, _("unknown codeset: '%s'"), codeset_option);
        goto cleanup;
    }

    while ((opt = vshCommandOptArgv(cmd, opt))) {
        if (count == VIR_DOMAIN_SEND_KEY_MAX_KEYS) {
            vshError(ctl, _("too many keycodes"));
            goto cleanup;
        }

        if ((keycode = get_integer_keycode(opt->data)) <= 0) {
            if ((keycode = virKeycodeValueFromString(codeset, opt->data)) <= 0) {
                vshError(ctl, _("invalid keycode: '%s'"), opt->data);
                goto cleanup;
            }
        }

        keycodes[count] = keycode;
        count++;
    }

    if (!(virDomainSendKey(dom, codeset, holdtime, keycodes, count, 0) < 0))
        ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

6771 6772 6773 6774
/*
 * "send-process-signal" command
 */
static const vshCmdInfo info_send_process_signal[] = {
6775 6776 6777 6778 6779 6780 6781
    {.name = "help",
     .data = N_("Send signals to processes")
    },
    {.name = "desc",
     .data = N_("Send signals to processes in the guest")
    },
    {.name = NULL}
6782 6783 6784
};

static const vshCmdOptDef opts_send_process_signal[] = {
6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "pid",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("the process ID")
    },
    {.name = "signame",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("the signal number or name")
    },
    {.name = NULL}
6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859
};

VIR_ENUM_DECL(virDomainProcessSignal)
VIR_ENUM_IMPL(virDomainProcessSignal,
              VIR_DOMAIN_PROCESS_SIGNAL_LAST,
              "nop", "hup", "int", "quit", "ill", /* 0-4 */
              "trap", "abrt", "bus", "fpe", "kill", /* 5-9 */
              "usr1", "segv", "usr2", "pipe", "alrm", /* 10-14 */
              "term", "stkflt", "chld", "cont", "stop", /* 15-19 */
              "tstp", "ttin", "ttou", "urg", "xcpu", /* 20-24 */
              "xfsz", "vtalrm", "prof", "winch", "poll", /* 25-29 */
              "pwr", "sys", "rt0","rt1", "rt2",  /* 30-34 */
              "rt3", "rt4", "rt5", "rt6", "rt7",  /* 35-39 */
              "rt8", "rt9", "rt10", "rt11", "rt12",  /* 40-44 */
              "rt13", "rt14", "rt15", "rt16", "rt17",  /* 45-49 */
              "rt18", "rt19", "rt20", "rt21", "rt22",  /* 50-54 */
              "rt23", "rt24", "rt25", "rt26", "rt27",  /* 55-59 */
              "rt28", "rt29", "rt30", "rt31", "rt32")  /* 60-64 */

static int getSignalNumber(vshControl *ctl, const char *signame)
{
    size_t i;
    int signum;
    char *lower = vshStrdup(ctl, signame);
    char *tmp = lower;

    for (i = 0 ; signame[i] ; i++)
        lower[i] = c_tolower(signame[i]);

    if (virStrToLong_i(lower, NULL, 10, &signum) >= 0)
        goto cleanup;

    if (STRPREFIX(lower, "sig_"))
        lower += 4;
    else if (STRPREFIX(lower, "sig"))
        lower += 3;

    if ((signum = virDomainProcessSignalTypeFromString(lower)) >= 0)
        goto cleanup;

    signum = -1;
cleanup:
    VIR_FREE(tmp);
    return signum;
}

static bool
cmdSendProcessSignal(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    int ret = false;
    const char *pidstr;
    const char *signame;
    long long pid_value;
    int signum;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

6860 6861
    if (vshCommandOptStringReq(ctl, cmd, "pid", &pidstr) < 0)
        goto cleanup;
6862

6863 6864
    if (vshCommandOptStringReq(ctl, cmd, "signame", &signame) < 0)
        goto cleanup;
6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885

    if (virStrToLong_ll(pidstr, NULL, 10, &pid_value) < 0) {
        vshError(ctl, _("malformed PID value: %s"), pidstr);
        goto cleanup;
    }

    if ((signum = getSignalNumber(ctl, signame)) < 0) {
        vshError(ctl, _("malformed signal name: %s"), signame);
        goto cleanup;
    }

    if (virDomainSendProcessSignal(dom, pid_value, signum, 0) < 0)
        goto cleanup;

    ret = true;

cleanup:
    virDomainFree(dom);
    return ret;
}

6886 6887 6888 6889
/*
 * "setmem" command
 */
static const vshCmdInfo info_setmem[] = {
6890 6891 6892 6893 6894 6895 6896
    {.name = "help",
     .data = N_("change memory allocation")
    },
    {.name = "desc",
     .data = N_("Change the current memory allocation in the guest domain.")
    },
    {.name = NULL}
6897 6898 6899
};

static const vshCmdOptDef opts_setmem[] = {
6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "kilobytes",
     .type = VSH_OT_ALIAS,
     .help = "size"
    },
    {.name = "size",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("new memory size, as scaled integer (default KiB)")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939
};

static bool
cmdSetmem(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    unsigned long long bytes = 0;
    unsigned long long max;
    unsigned long kibibytes = 0;
    bool ret = true;
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
6940
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
6941

6942 6943 6944 6945 6946 6947 6948 6949 6950 6951
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
    /* none of the options were specified */
    if (!current && !live && !config)
        flags = -1;
6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    /* The API expects 'unsigned long' KiB, so depending on whether we
     * are 32-bit or 64-bit determines the maximum we can use.  */
    if (sizeof(kibibytes) < sizeof(max))
        max = 1024ull * ULONG_MAX;
    else
        max = ULONG_MAX;
    if (vshCommandOptScaledInt(cmd, "size", &bytes, 1024, max) < 0) {
        vshError(ctl, "%s", _("memory size has to be a number"));
        virDomainFree(dom);
        return false;
    }
    kibibytes = VIR_DIV_UP(bytes, 1024);

    if (flags == -1) {
        if (virDomainSetMemory(dom, kibibytes) != 0) {
            ret = false;
        }
    } else {
        if (virDomainSetMemoryFlags(dom, kibibytes, flags) < 0) {
            ret = false;
        }
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "setmaxmem" command
 */
static const vshCmdInfo info_setmaxmem[] = {
6987 6988 6989 6990 6991 6992 6993
    {.name = "help",
     .data = N_("change maximum memory limit")
    },
    {.name = "desc",
     .data = N_("Change the maximum memory allocation limit in the guest domain.")
    },
    {.name = NULL}
6994 6995 6996
};

static const vshCmdOptDef opts_setmaxmem[] = {
6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "kilobytes",
     .type = VSH_OT_ALIAS,
     .help = "size"
    },
    {.name = "size",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("new maximum memory size, as scaled integer (default KiB)")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036
};

static bool
cmdSetmaxmem(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    unsigned long long bytes = 0;
    unsigned long long max;
    unsigned long kibibytes = 0;
    bool ret = true;
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
7037
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT | VIR_DOMAIN_MEM_MAXIMUM;
7038

7039 7040 7041 7042 7043 7044 7045 7046 7047 7048
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
    /* none of the options were specified */
    if (!current && !live && !config)
        flags = -1;
7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084 7085

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    /* The API expects 'unsigned long' KiB, so depending on whether we
     * are 32-bit or 64-bit determines the maximum we can use.  */
    if (sizeof(kibibytes) < sizeof(max))
        max = 1024ull * ULONG_MAX;
    else
        max = ULONG_MAX;
    if (vshCommandOptScaledInt(cmd, "size", &bytes, 1024, max) < 0) {
        vshError(ctl, "%s", _("memory size has to be a number"));
        virDomainFree(dom);
        return false;
    }
    kibibytes = VIR_DIV_UP(bytes, 1024);

    if (flags == -1) {
        if (virDomainSetMaxMemory(dom, kibibytes) != 0) {
            vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
            ret = false;
        }
    } else {
        if (virDomainSetMemoryFlags(dom, kibibytes, flags) < 0) {
            vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
            ret = false;
        }
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "memtune" command
 */
static const vshCmdInfo info_memtune[] = {
7086 7087 7088 7089 7090
    {.name = "help",
     .data = N_("Get or set memory parameters")
    },
    {.name = "desc",
     .data = N_("Get or set the current memory parameters for a guest"
7091 7092
                " domain.\n"
                "    To get the memory parameters use following command: \n\n"
7093 7094 7095
                "    virsh # memtune <domain>")
    },
    {.name = NULL}
7096 7097 7098
};

static const vshCmdOptDef opts_memtune[] = {
7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "hard-limit",
     .type = VSH_OT_INT,
     .help = N_("Max memory, as scaled integer (default KiB)")
    },
    {.name = "soft-limit",
     .type = VSH_OT_INT,
     .help = N_("Memory during contention, as scaled integer (default KiB)")
    },
    {.name = "swap-hard-limit",
     .type = VSH_OT_INT,
     .help = N_("Max memory plus swap, as scaled integer (default KiB)")
    },
    {.name = "min-guarantee",
     .type = VSH_OT_INT,
     .help = N_("Min guaranteed memory, as scaled integer (default KiB)")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
7133 7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165
};

static int
vshMemtuneGetSize(const vshCmd *cmd, const char *name, long long *value)
{
    int ret;
    unsigned long long tmp;
    const char *str;
    char *end;

    ret = vshCommandOptString(cmd, name, &str);
    if (ret <= 0)
        return ret;
    if (virStrToLong_ll(str, &end, 10, value) < 0)
        return -1;
    if (*value < 0) {
        *value = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
        return 1;
    }
    tmp = *value;
    if (virScaleInteger(&tmp, end, 1024, LLONG_MAX) < 0)
        return -1;
    *value = VIR_DIV_UP(tmp, 1024);
    return 0;
}

static bool
cmdMemtune(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    long long hard_limit = 0, soft_limit = 0, swap_hard_limit = 0;
    long long min_guarantee = 0;
    int nparams = 0;
7166
    int maxparams = 0;
7167
    unsigned int i = 0;
7168
    virTypedParameterPtr params = NULL;
7169
    bool ret = false;
7170
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
7171 7172 7173 7174
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");

7175 7176 7177 7178 7179 7180 7181
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshMemtuneGetSize(cmd, "hard-limit", &hard_limit) < 0 ||
        vshMemtuneGetSize(cmd, "soft-limit", &soft_limit) < 0 ||
        vshMemtuneGetSize(cmd, "swap-hard-limit", &swap_hard_limit) < 0 ||
        vshMemtuneGetSize(cmd, "min-guarantee", &min_guarantee) < 0) {
        vshError(ctl, "%s",
                 _("Unable to parse integer parameter"));
        goto cleanup;
    }

7195 7196 7197 7198 7199 7200 7201 7202
    if (hard_limit) {
        if (hard_limit == -1)
            hard_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_MEMORY_HARD_LIMIT,
                                    hard_limit) < 0)
            goto save_error;
    }
7203

7204 7205 7206 7207 7208 7209 7210 7211
    if (soft_limit) {
        if (soft_limit == -1)
            soft_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_MEMORY_SOFT_LIMIT,
                                    soft_limit) < 0)
            goto save_error;
    }
7212

7213 7214 7215 7216 7217 7218 7219 7220
    if (swap_hard_limit) {
        if (swap_hard_limit == -1)
            swap_hard_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_MEMORY_SWAP_HARD_LIMIT,
                                    swap_hard_limit) < 0)
            goto save_error;
    }
7221

7222 7223 7224 7225 7226 7227 7228 7229
    if (min_guarantee) {
        if (min_guarantee == -1)
            min_guarantee = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
        if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
                                    VIR_DOMAIN_MEMORY_MIN_GUARANTEE,
                                    min_guarantee) < 0)
            goto save_error;
    }
7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266

    if (nparams == 0) {
        /* get the number of memory parameters */
        if (virDomainGetMemoryParameters(dom, NULL, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get number of memory parameters"));
            goto cleanup;
        }

        if (nparams == 0) {
            /* nothing to output */
            ret = true;
            goto cleanup;
        }

        /* now go get all the memory parameters */
        params = vshCalloc(ctl, nparams, sizeof(*params));
        if (virDomainGetMemoryParameters(dom, params, &nparams, flags) != 0) {
            vshError(ctl, "%s", _("Unable to get memory parameters"));
            goto cleanup;
        }

        for (i = 0; i < nparams; i++) {
            if (params[i].type == VIR_TYPED_PARAM_ULLONG &&
                params[i].value.ul == VIR_DOMAIN_MEMORY_PARAM_UNLIMITED) {
                vshPrint(ctl, "%-15s: %s\n", params[i].field, _("unlimited"));
            } else {
                char *str = vshGetTypedParamValue(ctl, &params[i]);
                vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
                VIR_FREE(str);
            }
        }
    } else {
        if (virDomainSetMemoryParameters(dom, params, nparams, flags) != 0)
            goto error;
    }

7267 7268
    ret = true;

7269
cleanup:
7270
    virTypedParamsFree(params, nparams);
7271 7272 7273
    virDomainFree(dom);
    return ret;

7274 7275
save_error:
    vshSaveLibvirtError();
7276 7277 7278 7279 7280 7281 7282 7283 7284
error:
    vshError(ctl, "%s", _("Unable to change memory parameters"));
    goto cleanup;
}

/*
 * "numatune" command
 */
static const vshCmdInfo info_numatune[] = {
7285 7286 7287 7288 7289
    {.name = "help",
     .data = N_("Get or set numa parameters")
    },
    {.name = "desc",
     .data = N_("Get or set the current numa parameters for a guest"
7290 7291
                " domain.\n"
                "    To get the numa parameters use following command: \n\n"
7292 7293 7294
                "    virsh # numatune <domain>")
    },
    {.name = NULL}
7295 7296 7297
};

static const vshCmdOptDef opts_numatune[] = {
7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "mode",
     .type = VSH_OT_DATA,
     .help = N_("NUMA mode, one of strict, preferred and interleave")
    },
    {.name = "nodeset",
     .type = VSH_OT_DATA,
     .help = N_("NUMA node selections to set")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
    {.name = NULL}
7324 7325 7326 7327 7328 7329 7330
};

static bool
cmdNumatune(vshControl * ctl, const vshCmd * cmd)
{
    virDomainPtr dom;
    int nparams = 0;
7331
    int maxparams = 0;
7332
    unsigned int i = 0;
7333
    virTypedParameterPtr params = NULL;
7334 7335
    const char *nodeset = NULL;
    bool ret = false;
7336
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
7337 7338 7339 7340 7341
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    const char *mode = NULL;

7342 7343 7344 7345 7346 7347 7348
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
7349 7350 7351 7352

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

7353
    if (vshCommandOptStringReq(ctl, cmd, "nodeset", &nodeset) < 0)
7354
        goto cleanup;
7355

7356 7357 7358 7359 7360
    if (nodeset &&
        virTypedParamsAddString(&params, &nparams, &maxparams,
                                VIR_DOMAIN_NUMA_NODESET, nodeset) < 0)
        goto save_error;

7361
    if (vshCommandOptStringReq(ctl, cmd, "mode", &mode) < 0)
7362
        goto cleanup;
7363

7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377
    if (mode) {
        int m;
        /* Accept string or integer, in case server understands newer
         * integer than what strings we were compiled with
         */
        if ((m = virDomainNumatuneMemModeTypeFromString(mode)) < 0 &&
            virStrToLong_i(mode, NULL, 0, &m) < 0) {
            vshError(ctl, _("Invalid mode: %s"), mode);
            goto cleanup;
        }

        if (virTypedParamsAddInt(&params, &nparams, &maxparams,
                                 VIR_DOMAIN_NUMA_MODE, m) < 0)
            goto save_error;
7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413
    }

    if (nparams == 0) {
        /* get the number of numa parameters */
        if (virDomainGetNumaParameters(dom, NULL, &nparams, flags) != 0) {
            vshError(ctl, "%s",
                     _("Unable to get number of memory parameters"));
            goto cleanup;
        }

        if (nparams == 0) {
            /* nothing to output */
            ret = true;
            goto cleanup;
        }

        /* now go get all the numa parameters */
        params = vshCalloc(ctl, nparams, sizeof(*params));
        if (virDomainGetNumaParameters(dom, params, &nparams, flags) != 0) {
            vshError(ctl, "%s", _("Unable to get numa parameters"));
            goto cleanup;
        }

        for (i = 0; i < nparams; i++) {
            if (params[i].type == VIR_TYPED_PARAM_INT &&
                STREQ(params[i].field, VIR_DOMAIN_NUMA_MODE)) {
                vshPrint(ctl, "%-15s: %s\n", params[i].field,
                         virDomainNumatuneMemModeTypeToString(params[i].value.i));
            } else {
                char *str = vshGetTypedParamValue(ctl, &params[i]);
                vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
                VIR_FREE(str);
            }
        }
    } else {
        if (virDomainSetNumaParameters(dom, params, nparams, flags) != 0)
7414
            goto error;
7415 7416
    }

7417 7418 7419 7420
    ret = true;

cleanup:
    virTypedParamsFree(params, nparams);
7421 7422
    virDomainFree(dom);
    return ret;
7423 7424 7425 7426 7427 7428

save_error:
    vshSaveLibvirtError();
error:
    vshError(ctl, "%s", _("Unable to change numa parameters"));
    goto cleanup;
7429 7430
}

7431 7432 7433 7434
/*
 * "qemu-monitor-command" command
 */
static const vshCmdInfo info_qemu_monitor_command[] = {
7435 7436 7437 7438 7439 7440 7441
    {.name = "help",
     .data = N_("QEMU Monitor Command")
    },
    {.name = "desc",
     .data = N_("QEMU Monitor Command")
    },
    {.name = NULL}
7442 7443 7444
};

static const vshCmdOptDef opts_qemu_monitor_command[] = {
7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "hmp",
     .type = VSH_OT_BOOL,
     .help = N_("command is in human monitor protocol")
    },
    {.name = "pretty",
     .type = VSH_OT_BOOL,
     .help = N_("pretty-print any qemu monitor protocol output")
    },
    {.name = "cmd",
     .type = VSH_OT_ARGV,
     .flags = VSH_OFLAG_REQ,
     .help = N_("command")
    },
    {.name = NULL}
7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533
};

static bool
cmdQemuMonitorCommand(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    char *monitor_cmd = NULL;
    char *result = NULL;
    unsigned int flags = 0;
    const vshCmdOpt *opt = NULL;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    bool pad = false;
    virJSONValuePtr pretty = NULL;

    dom = vshCommandOptDomain(ctl, cmd, NULL);
    if (dom == NULL)
        goto cleanup;

    while ((opt = vshCommandOptArgv(cmd, opt))) {
        if (pad)
            virBufferAddChar(&buf, ' ');
        pad = true;
        virBufferAdd(&buf, opt->data, -1);
    }
    if (virBufferError(&buf)) {
        vshPrint(ctl, "%s", _("Failed to collect command"));
        goto cleanup;
    }
    monitor_cmd = virBufferContentAndReset(&buf);

    if (vshCommandOptBool(cmd, "hmp")) {
        if (vshCommandOptBool(cmd, "pretty")) {
            vshError(ctl, _("--hmp and --pretty are not compatible"));
            goto cleanup;
        }
        flags |= VIR_DOMAIN_QEMU_MONITOR_COMMAND_HMP;
    }

    if (virDomainQemuMonitorCommand(dom, monitor_cmd, &result, flags) < 0)
        goto cleanup;

    if (vshCommandOptBool(cmd, "pretty")) {
        char *tmp;
        pretty = virJSONValueFromString(result);
        if (pretty && (tmp = virJSONValueToString(pretty, true))) {
            VIR_FREE(result);
            result = tmp;
        } else {
            vshResetLibvirtError();
        }
    }
    vshPrint(ctl, "%s\n", result);

    ret = true;

cleanup:
    VIR_FREE(result);
    VIR_FREE(monitor_cmd);
    virJSONValueFree(pretty);
    if (dom)
        virDomainFree(dom);

    return ret;
}

/*
 * "qemu-attach" command
 */
static const vshCmdInfo info_qemu_attach[] = {
7534 7535 7536 7537 7538 7539 7540
    {.name = "help",
     .data = N_("QEMU Attach")
    },
    {.name = "desc",
     .data = N_("QEMU Attach")
    },
    {.name = NULL}
7541 7542 7543
};

static const vshCmdOptDef opts_qemu_attach[] = {
7544 7545 7546 7547 7548 7549
    {.name = "pid",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("pid")
    },
    {.name = NULL}
7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577 7578 7579 7580 7581 7582 7583 7584
};

static bool
cmdQemuAttach(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    unsigned int flags = 0;
    unsigned int pid_value; /* API uses unsigned int, not pid_t */

    if (vshCommandOptUInt(cmd, "pid", &pid_value) <= 0) {
        vshError(ctl, "%s", _("missing pid value"));
        goto cleanup;
    }

    if (!(dom = virDomainQemuAttach(ctl->conn, pid_value, flags)))
        goto cleanup;

    if (dom != NULL) {
        vshPrint(ctl, _("Domain %s attached to pid %u\n"),
                 virDomainGetName(dom), pid_value);
        virDomainFree(dom);
        ret = true;
    } else {
        vshError(ctl, _("Failed to attach to pid %u"), pid_value);
    }

cleanup:
    return ret;
}

/*
 * "qemu-agent-command" command
 */
static const vshCmdInfo info_qemu_agent_command[] = {
7585 7586 7587 7588 7589 7590 7591
    {.name = "help",
     .data = N_("QEMU Guest Agent Command")
    },
    {.name = "desc",
     .data = N_("Run an arbitrary qemu guest agent command; use at your own risk")
    },
    {.name = NULL}
7592 7593 7594
};

static const vshCmdOptDef opts_qemu_agent_command[] = {
7595 7596 7597 7598 7599 7600 7601 7602 7603 7604 7605 7606 7607 7608 7609 7610 7611 7612 7613 7614 7615 7616 7617 7618
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "timeout",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ_OPT,
     .help = N_("timeout seconds. must be positive.")
    },
    {.name = "async",
     .type = VSH_OT_BOOL,
     .help = N_("execute command without waiting for timeout")
    },
    {.name = "block",
     .type = VSH_OT_BOOL,
     .help = N_("execute command without timeout")
    },
    {.name = "cmd",
     .type = VSH_OT_ARGV,
     .flags = VSH_OFLAG_REQ,
     .help = N_("command")
    },
    {.name = NULL}
7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671 7672 7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688 7689 7690
};

static bool
cmdQemuAgentCommand(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    char *guest_agent_cmd = NULL;
    char *result = NULL;
    int timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_DEFAULT;
    int judge = 0;
    unsigned int flags = 0;
    const vshCmdOpt *opt = NULL;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    bool pad = false;

    dom = vshCommandOptDomain(ctl, cmd, NULL);
    if (dom == NULL)
        goto cleanup;

    while ((opt = vshCommandOptArgv(cmd, opt))) {
        if (pad)
            virBufferAddChar(&buf, ' ');
        pad = true;
        virBufferAdd(&buf, opt->data, -1);
    }
    if (virBufferError(&buf)) {
        vshPrint(ctl, "%s", _("Failed to collect command"));
        goto cleanup;
    }
    guest_agent_cmd = virBufferContentAndReset(&buf);

    judge = vshCommandOptInt(cmd, "timeout", &timeout);
    if (judge < 0) {
        vshError(ctl, "%s", _("timeout number has to be a number"));
        goto cleanup;
    } else if (judge > 0) {
        judge = 1;
    }
    if (judge && timeout < 1) {
        vshError(ctl, "%s", _("timeout must be positive"));
        goto cleanup;
    }

    if (vshCommandOptBool(cmd, "async")) {
        timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_NOWAIT;
        judge++;
    }
    if (vshCommandOptBool(cmd, "block")) {
        timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK;
        judge++;
    }

    if (judge > 1) {
        vshError(ctl, "%s", _("timeout, async and block options are exclusive"));
        goto cleanup;
    }
    result = virDomainQemuAgentCommand(dom, guest_agent_cmd, timeout, flags);

    if (result) printf("%s\n", result);

    ret = true;

cleanup:
    VIR_FREE(result);
    VIR_FREE(guest_agent_cmd);
    if (dom)
        virDomainFree(dom);

    return ret;
}

7691 7692 7693 7694
/*
 * "lxc-enter-namespace" namespace
 */
static const vshCmdInfo info_lxc_enter_namespace[] = {
7695 7696 7697 7698 7699 7700 7701
    {.name = "help",
     .data = N_("LXC Guest Enter Namespace")
    },
    {.name = "desc",
     .data = N_("Run an arbitrary lxc guest enter namespace; use at your own risk")
    },
    {.name = NULL}
7702 7703 7704 7705
};

static const vshCmdOptDef opts_lxc_enter_namespace[] = {
    {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
7706
    {"noseclabel", VSH_OT_BOOL, 0, N_("Do not change process security label")},
7707 7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722
    {"cmd", VSH_OT_ARGV, VSH_OFLAG_REQ, N_("namespace")},
    {NULL, 0, 0, NULL}
};

static bool
cmdLxcEnterNamespace(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    const vshCmdOpt *opt = NULL;
    char **cmdargv = NULL;
    size_t ncmdargv = 0;
    pid_t pid;
    int nfdlist;
    int *fdlist;
    size_t i;
7723 7724 7725
    bool setlabel = true;
    virSecurityModelPtr secmodel = NULL;
    virSecurityLabelPtr seclabel = NULL;
7726 7727 7728 7729 7730

    dom = vshCommandOptDomain(ctl, cmd, NULL);
    if (dom == NULL)
        goto cleanup;

7731 7732 7733
    if (vshCommandOptBool(cmd, "noseclabel"))
        setlabel = false;

7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749
    while ((opt = vshCommandOptArgv(cmd, opt))) {
        if (VIR_EXPAND_N(cmdargv, ncmdargv, 1) < 0) {
            vshError(ctl, _("%s: %d: failed to allocate argv"),
                     __FILE__, __LINE__);
        }
        cmdargv[ncmdargv-1] = opt->data;
    }
    if (VIR_EXPAND_N(cmdargv, ncmdargv, 1) < 0) {
        vshError(ctl, _("%s: %d: failed to allocate argv"),
                 __FILE__, __LINE__);
    }
    cmdargv[ncmdargv - 1] = NULL;

    if ((nfdlist = virDomainLxcOpenNamespace(dom, &fdlist, 0)) < 0)
        goto cleanup;

7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761 7762 7763 7764
    if (setlabel) {
        if (VIR_ALLOC(secmodel) < 0) {
            vshError(ctl, "%s", _("Failed to allocate security model"));
            goto cleanup;
        }
        if (VIR_ALLOC(seclabel) < 0) {
            vshError(ctl, "%s", _("Failed to allocate security label"));
            goto cleanup;
        }
        if (virNodeGetSecurityModel(ctl->conn, secmodel) < 0)
            goto cleanup;
        if (virDomainGetSecurityLabel(dom, seclabel) < 0)
            goto cleanup;
    }

7765 7766 7767 7768 7769 7770
    /* Fork once because we don't want to affect
     * virsh's namespace itself
     */
    if (virFork(&pid) < 0)
        goto cleanup;
    if (pid == 0) {
7771 7772 7773 7774 7775 7776 7777
        if (setlabel &&
            virDomainLxcEnterSecurityLabel(secmodel,
                                           seclabel,
                                           NULL,
                                           0) < 0)
            _exit(255);

7778 7779 7780 7781 7782 7783 7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808 7809
        if (virDomainLxcEnterNamespace(dom,
                                       nfdlist,
                                       fdlist,
                                       NULL,
                                       NULL,
                                       0) < 0)
            _exit(255);

        /* Fork a second time because entering the
         * pid namespace only takes effect after fork
         */
        if (virFork(&pid) < 0)
            _exit(255);
        if (pid == 0) {
            execv(cmdargv[0], cmdargv);
            _exit(255);
        } else {
            if (virProcessWait(pid, NULL) < 0)
                _exit(255);
        }
        _exit(0);
    } else {
        for (i = 0 ; i < nfdlist ; i++)
            VIR_FORCE_CLOSE(fdlist[i]);
        VIR_FREE(fdlist);
        if (virProcessWait(pid, NULL) < 0)
            goto cleanup;
    }

    ret = true;

cleanup:
7810 7811
    VIR_FREE(seclabel);
    VIR_FREE(secmodel);
7812 7813 7814 7815 7816 7817
    if (dom)
        virDomainFree(dom);
    VIR_FREE(cmdargv);
    return ret;
}

7818 7819 7820 7821
/*
 * "dumpxml" command
 */
static const vshCmdInfo info_dumpxml[] = {
7822 7823 7824 7825 7826 7827 7828
    {.name = "help",
     .data = N_("domain information in XML")
    },
    {.name = "desc",
     .data = N_("Output the domain information as an XML dump to stdout.")
    },
    {.name = NULL}
7829 7830 7831
};

static const vshCmdOptDef opts_dumpxml[] = {
7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843 7844 7845 7846 7847 7848 7849 7850 7851 7852 7853
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "inactive",
     .type = VSH_OT_BOOL,
     .help = N_("show inactive defined XML")
    },
    {.name = "security-info",
     .type = VSH_OT_BOOL,
     .help = N_("include security sensitive information in XML dump")
    },
    {.name = "update-cpu",
     .type = VSH_OT_BOOL,
     .help = N_("update guest CPU according to host CPU")
    },
    {.name = "migratable",
     .type = VSH_OT_BOOL,
     .help = N_("provide XML suitable for migrations")
    },
    {.name = NULL}
7854 7855 7856 7857 7858 7859 7860 7861 7862 7863 7864 7865
};

static bool
cmdDumpXML(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    bool ret = true;
    char *dump;
    unsigned int flags = 0;
    bool inactive = vshCommandOptBool(cmd, "inactive");
    bool secure = vshCommandOptBool(cmd, "security-info");
    bool update = vshCommandOptBool(cmd, "update-cpu");
7866
    bool migratable = vshCommandOptBool(cmd, "migratable");
7867 7868 7869 7870 7871 7872 7873

    if (inactive)
        flags |= VIR_DOMAIN_XML_INACTIVE;
    if (secure)
        flags |= VIR_DOMAIN_XML_SECURE;
    if (update)
        flags |= VIR_DOMAIN_XML_UPDATE_CPU;
7874 7875
    if (migratable)
        flags |= VIR_DOMAIN_XML_MIGRATABLE;
7876 7877 7878 7879 7880 7881 7882 7883 7884 7885 7886 7887 7888 7889 7890 7891 7892 7893 7894 7895

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    dump = virDomainGetXMLDesc(dom, flags);
    if (dump != NULL) {
        vshPrint(ctl, "%s", dump);
        VIR_FREE(dump);
    } else {
        ret = false;
    }

    virDomainFree(dom);
    return ret;
}

/*
 * "domxml-from-native" command
 */
static const vshCmdInfo info_domxmlfromnative[] = {
7896 7897 7898 7899 7900 7901 7902
    {.name = "help",
     .data = N_("Convert native config to domain XML")
    },
    {.name = "desc",
     .data = N_("Convert native guest configuration format to domain XML format.")
    },
    {.name = NULL}
7903 7904 7905
};

static const vshCmdOptDef opts_domxmlfromnative[] = {
7906 7907 7908 7909 7910 7911 7912 7913 7914 7915 7916
    {.name = "format",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("source config data format")
    },
    {.name = "config",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("config data file to import from")
    },
    {.name = NULL}
7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928
};

static bool
cmdDomXMLFromNative(vshControl *ctl, const vshCmd *cmd)
{
    bool ret = true;
    const char *format = NULL;
    const char *configFile = NULL;
    char *configData;
    char *xmlData;
    unsigned int flags = 0;

7929 7930
    if (vshCommandOptStringReq(ctl, cmd, "format", &format) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "config", &configFile) < 0)
7931 7932 7933 7934 7935 7936 7937 7938 7939 7940 7941 7942 7943 7944 7945 7946 7947 7948 7949 7950 7951
        return false;

    if (virFileReadAll(configFile, 1024*1024, &configData) < 0)
        return false;

    xmlData = virConnectDomainXMLFromNative(ctl->conn, format, configData, flags);
    if (xmlData != NULL) {
        vshPrint(ctl, "%s", xmlData);
        VIR_FREE(xmlData);
    } else {
        ret = false;
    }

    VIR_FREE(configData);
    return ret;
}

/*
 * "domxml-to-native" command
 */
static const vshCmdInfo info_domxmltonative[] = {
7952 7953 7954 7955 7956 7957 7958
    {.name = "help",
     .data = N_("Convert domain XML to native config")
    },
    {.name = "desc",
     .data = N_("Convert domain XML config to a native guest configuration format.")
    },
    {.name = NULL}
7959 7960 7961
};

static const vshCmdOptDef opts_domxmltonative[] = {
7962 7963 7964 7965 7966 7967 7968 7969 7970 7971 7972
    {.name = "format",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("target config data type format")
    },
    {.name = "xml",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("xml data file to export from")
    },
    {.name = NULL}
7973 7974 7975 7976 7977 7978 7979 7980 7981 7982 7983 7984
};

static bool
cmdDomXMLToNative(vshControl *ctl, const vshCmd *cmd)
{
    bool ret = true;
    const char *format = NULL;
    const char *xmlFile = NULL;
    char *configData;
    char *xmlData;
    unsigned int flags = 0;

7985 7986
    if (vshCommandOptStringReq(ctl, cmd, "format", &format) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "xml", &xmlFile) < 0)
7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999 8000 8001 8002 8003 8004 8005 8006 8007
        return false;

    if (virFileReadAll(xmlFile, 1024*1024, &xmlData) < 0)
        return false;

    configData = virConnectDomainXMLToNative(ctl->conn, format, xmlData, flags);
    if (configData != NULL) {
        vshPrint(ctl, "%s", configData);
        VIR_FREE(configData);
    } else {
        ret = false;
    }

    VIR_FREE(xmlData);
    return ret;
}

/*
 * "domname" command
 */
static const vshCmdInfo info_domname[] = {
8008 8009 8010 8011 8012 8013 8014
    {.name = "help",
     .data = N_("convert a domain id or UUID to domain name")
    },
    {.name = "desc",
     .data = ""
    },
    {.name = NULL}
8015 8016 8017
};

static const vshCmdOptDef opts_domname[] = {
8018 8019 8020 8021 8022 8023
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain id or uuid")
    },
    {.name = NULL}
8024 8025 8026 8027 8028 8029 8030 8031 8032 8033 8034 8035 8036 8037 8038 8039 8040 8041 8042 8043
};

static bool
cmdDomname(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;

    if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
                                      VSH_BYID|VSH_BYUUID)))
        return false;

    vshPrint(ctl, "%s\n", virDomainGetName(dom));
    virDomainFree(dom);
    return true;
}

/*
 * "domid" command
 */
static const vshCmdInfo info_domid[] = {
8044 8045 8046 8047 8048 8049 8050
    {.name = "help",
     .data = N_("convert a domain name or UUID to domain id")
    },
    {.name = "desc",
     .data = ""
    },
    {.name = NULL}
8051 8052 8053
};

static const vshCmdOptDef opts_domid[] = {
8054 8055 8056 8057 8058 8059
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name or uuid")
    },
    {.name = NULL}
8060 8061 8062 8063 8064 8065 8066 8067 8068 8069 8070 8071 8072 8073 8074 8075 8076 8077 8078 8079 8080 8081 8082 8083 8084
};

static bool
cmdDomid(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    unsigned int id;

    if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
                                      VSH_BYNAME|VSH_BYUUID)))
        return false;

    id = virDomainGetID(dom);
    if (id == ((unsigned int)-1))
        vshPrint(ctl, "%s\n", "-");
    else
        vshPrint(ctl, "%d\n", id);
    virDomainFree(dom);
    return true;
}

/*
 * "domuuid" command
 */
static const vshCmdInfo info_domuuid[] = {
8085 8086 8087 8088 8089 8090 8091
    {.name = "help",
     .data = N_("convert a domain name or id to domain UUID")
    },
    {.name = "desc",
     .data = ""
    },
    {.name = NULL}
8092 8093 8094
};

static const vshCmdOptDef opts_domuuid[] = {
8095 8096 8097 8098 8099 8100
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain id or name")
    },
    {.name = NULL}
8101 8102 8103 8104 8105 8106 8107 8108 8109 8110 8111 8112 8113 8114 8115 8116 8117 8118 8119 8120 8121 8122 8123 8124 8125
};

static bool
cmdDomuuid(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    char uuid[VIR_UUID_STRING_BUFLEN];

    if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
                                      VSH_BYNAME|VSH_BYID)))
        return false;

    if (virDomainGetUUIDString(dom, uuid) != -1)
        vshPrint(ctl, "%s\n", uuid);
    else
        vshError(ctl, "%s", _("failed to get domain UUID"));

    virDomainFree(dom);
    return true;
}

/*
 * "migrate" command
 */
static const vshCmdInfo info_migrate[] = {
8126 8127 8128 8129 8130 8131 8132
    {.name = "help",
     .data = N_("migrate domain to another host")
    },
    {.name = "desc",
     .data = N_("Migrate domain to another host.  Add --live for live migration.")
    },
    {.name = NULL}
8133 8134 8135
};

static const vshCmdOptDef opts_migrate[] = {
8136 8137 8138 8139 8140 8141 8142 8143 8144 8145 8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157 8158 8159 8160 8161 8162 8163 8164 8165 8166 8167 8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179 8180 8181
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("live migration")
    },
    {.name = "offline",
     .type = VSH_OT_BOOL,
     .help = N_("offline migration")
    },
    {.name = "p2p",
     .type = VSH_OT_BOOL,
     .help = N_("peer-2-peer migration")
    },
    {.name = "direct",
     .type = VSH_OT_BOOL,
     .help = N_("direct migration")
    },
    {.name = "tunneled",
     .type = VSH_OT_ALIAS,
     .help = "tunnelled"
    },
    {.name = "tunnelled",
     .type = VSH_OT_BOOL,
     .help = N_("tunnelled migration")
    },
    {.name = "persistent",
     .type = VSH_OT_BOOL,
     .help = N_("persist VM on destination")
    },
    {.name = "undefinesource",
     .type = VSH_OT_BOOL,
     .help = N_("undefine VM on source")
    },
    {.name = "suspend",
     .type = VSH_OT_BOOL,
     .help = N_("do not restart the domain on the destination host")
    },
    {.name = "copy-storage-all",
     .type = VSH_OT_BOOL,
     .help = N_("migration with non-shared storage with full disk copy")
    },
    {.name = "copy-storage-inc",
     .type = VSH_OT_BOOL,
     .help = N_("migration with non-shared storage with incremental copy (same base image shared between source and destination)")
    },
    {.name = "change-protection",
     .type = VSH_OT_BOOL,
8182
     .help = N_("prevent any configuration changes to domain until migration ends")
8183 8184 8185 8186 8187 8188 8189 8190 8191
    },
    {.name = "unsafe",
     .type = VSH_OT_BOOL,
     .help = N_("force migration even if it may be unsafe")
    },
    {.name = "verbose",
     .type = VSH_OT_BOOL,
     .help = N_("display the progress of migration")
    },
8192 8193 8194 8195
    {.name = "compressed",
     .type = VSH_OT_BOOL,
     .help = N_("compress repeated pages during live migration")
    },
8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221 8222
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "desturi",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("connection URI of the destination host as seen from the client(normal migration) or source(p2p migration)")
    },
    {.name = "migrateuri",
     .type = VSH_OT_DATA,
     .help = N_("migration URI, usually can be omitted")
    },
    {.name = "dname",
     .type = VSH_OT_DATA,
     .help = N_("rename to new name during migration (if supported)")
    },
    {.name = "timeout",
     .type = VSH_OT_INT,
     .help = N_("force guest to suspend if live migration exceeds timeout (in seconds)")
    },
    {.name = "xml",
     .type = VSH_OT_STRING,
     .help = N_("filename containing updated XML for the target")
    },
    {.name = NULL}
8223 8224 8225 8226 8227 8228 8229 8230 8231 8232 8233 8234 8235 8236 8237 8238 8239 8240 8241 8242 8243 8244 8245 8246 8247 8248
};

static void
doMigrate(void *opaque)
{
    char ret = '1';
    virDomainPtr dom = NULL;
    const char *desturi = NULL;
    const char *migrateuri = NULL;
    const char *dname = NULL;
    unsigned int flags = 0;
    vshCtrlData *data = opaque;
    vshControl *ctl = data->ctl;
    const vshCmd *cmd = data->cmd;
    const char *xmlfile = NULL;
    char *xml = NULL;
    sigset_t sigmask, oldsigmask;

    sigemptyset(&sigmask);
    sigaddset(&sigmask, SIGINT);
    if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
        goto out_sig;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        goto out;

8249 8250 8251 8252
    if (vshCommandOptStringReq(ctl, cmd, "desturi", &desturi) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "migrateuri", &migrateuri) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "dname", &dname) < 0 ||
        vshCommandOptStringReq(ctl, cmd, "xml", &xmlfile) < 0)
8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281
        goto out;

    if (vshCommandOptBool(cmd, "live"))
        flags |= VIR_MIGRATE_LIVE;
    if (vshCommandOptBool(cmd, "p2p"))
        flags |= VIR_MIGRATE_PEER2PEER;
    if (vshCommandOptBool(cmd, "tunnelled"))
        flags |= VIR_MIGRATE_TUNNELLED;

    if (vshCommandOptBool(cmd, "persistent"))
        flags |= VIR_MIGRATE_PERSIST_DEST;
    if (vshCommandOptBool(cmd, "undefinesource"))
        flags |= VIR_MIGRATE_UNDEFINE_SOURCE;

    if (vshCommandOptBool(cmd, "suspend"))
        flags |= VIR_MIGRATE_PAUSED;

    if (vshCommandOptBool(cmd, "copy-storage-all"))
        flags |= VIR_MIGRATE_NON_SHARED_DISK;

    if (vshCommandOptBool(cmd, "copy-storage-inc"))
        flags |= VIR_MIGRATE_NON_SHARED_INC;

    if (vshCommandOptBool(cmd, "change-protection"))
        flags |= VIR_MIGRATE_CHANGE_PROTECTION;

    if (vshCommandOptBool(cmd, "unsafe"))
        flags |= VIR_MIGRATE_UNSAFE;

8282 8283 8284
    if (vshCommandOptBool(cmd, "compressed"))
        flags |= VIR_MIGRATE_COMPRESSED;

L
liguang 已提交
8285 8286 8287 8288
    if (vshCommandOptBool(cmd, "offline")) {
        flags |= VIR_MIGRATE_OFFLINE;
    }

8289 8290 8291 8292 8293 8294 8295 8296 8297 8298 8299 8300 8301 8302 8303 8304 8305 8306 8307 8308 8309 8310 8311 8312 8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343 8344 8345 8346 8347 8348 8349 8350 8351
    if (xmlfile &&
        virFileReadAll(xmlfile, 8192, &xml) < 0) {
        vshError(ctl, _("file '%s' doesn't exist"), xmlfile);
        goto out;
    }

    if ((flags & VIR_MIGRATE_PEER2PEER) ||
        vshCommandOptBool(cmd, "direct")) {
        /* For peer2peer migration or direct migration we only expect one URI
         * a libvirt URI, or a hypervisor specific URI. */

        if (migrateuri != NULL) {
            vshError(ctl, "%s", _("migrate: Unexpected migrateuri for peer2peer/direct migration"));
            goto out;
        }

        if (virDomainMigrateToURI2(dom, desturi, NULL, xml, flags, dname, 0) == 0)
            ret = '0';
    } else {
        /* For traditional live migration, connect to the destination host directly. */
        virConnectPtr dconn = NULL;
        virDomainPtr ddom = NULL;

        dconn = virConnectOpenAuth(desturi, virConnectAuthPtrDefault, 0);
        if (!dconn) goto out;

        ddom = virDomainMigrate2(dom, dconn, xml, flags, dname, migrateuri, 0);
        if (ddom) {
            virDomainFree(ddom);
            ret = '0';
        }
        virConnectClose(dconn);
    }

out:
    pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
    if (dom) virDomainFree(dom);
    VIR_FREE(xml);
    ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}

static void
vshMigrationTimeout(vshControl *ctl,
                    virDomainPtr dom,
                    void *opaque ATTRIBUTE_UNUSED)
{
    vshDebug(ctl, VSH_ERR_DEBUG, "suspending the domain, "
             "since migration timed out\n");
    virDomainSuspend(dom);
}

static bool
cmdMigrate(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    int p[2] = {-1, -1};
    virThread workerThread;
    bool verbose = false;
    bool functionReturn = false;
    int timeout = 0;
    bool live_flag = false;
    vshCtrlData data;
8352
    int rv;
8353 8354 8355 8356 8357 8358 8359 8360 8361

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshCommandOptBool(cmd, "verbose"))
        verbose = true;

    if (vshCommandOptBool(cmd, "live"))
        live_flag = true;
8362 8363 8364 8365 8366
    if ((rv = vshCommandOptInt(cmd, "timeout", &timeout)) < 0 ||
        (rv > 0 && timeout < 1)) {
        vshError(ctl, "%s", _("migrate: Invalid timeout"));
        goto cleanup;
    } else if (rv > 0) {
8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388 8389 8390 8391 8392 8393 8394 8395 8396 8397 8398 8399 8400 8401 8402 8403 8404 8405 8406 8407
        if (! live_flag) {
            vshError(ctl, "%s",
                     _("migrate: Unexpected timeout for offline migration"));
            goto cleanup;
        }

        /* Ensure that we can multiply by 1000 without overflowing. */
        if (timeout > INT_MAX / 1000) {
            vshError(ctl, "%s", _("migrate: Timeout is too big"));
            goto cleanup;
        }
    }

    if (pipe(p) < 0)
        goto cleanup;

    data.ctl = ctl;
    data.cmd = cmd;
    data.writefd = p[1];

    if (virThreadCreate(&workerThread,
                        true,
                        doMigrate,
                        &data) < 0)
        goto cleanup;
    functionReturn = vshWatchJob(ctl, dom, verbose, p[0], timeout,
                                 vshMigrationTimeout, NULL, _("Migration"));

    virThreadJoin(&workerThread);

cleanup:
    virDomainFree(dom);
    VIR_FORCE_CLOSE(p[0]);
    VIR_FORCE_CLOSE(p[1]);
    return functionReturn;
}

/*
 * "migrate-setmaxdowntime" command
 */
static const vshCmdInfo info_migrate_setmaxdowntime[] = {
8408 8409 8410 8411 8412 8413 8414
    {.name = "help",
     .data = N_("set maximum tolerable downtime")
    },
    {.name = "desc",
     .data = N_("Set maximum tolerable downtime of a domain which is being live-migrated to another host.")
    },
    {.name = NULL}
8415 8416 8417
};

static const vshCmdOptDef opts_migrate_setmaxdowntime[] = {
8418 8419 8420 8421 8422 8423 8424 8425 8426 8427 8428
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "downtime",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("maximum tolerable downtime (in milliseconds) for migration")
    },
    {.name = NULL}
8429 8430 8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452 8453 8454 8455 8456
};

static bool
cmdMigrateSetMaxDowntime(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    long long downtime = 0;
    bool ret = false;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshCommandOptLongLong(cmd, "downtime", &downtime) < 0 ||
        downtime < 1) {
        vshError(ctl, "%s", _("migrate: Invalid downtime"));
        goto done;
    }

    if (virDomainMigrateSetMaxDowntime(dom, downtime, 0))
        goto done;

    ret = true;

done:
    virDomainFree(dom);
    return ret;
}

8457 8458 8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470 8471 8472 8473 8474 8475 8476 8477 8478 8479 8480 8481 8482 8483 8484 8485 8486 8487 8488 8489 8490 8491 8492 8493 8494 8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 8517 8518
/*
 * "migrate-compcache" command
 */
static const vshCmdInfo info_migrate_compcache[] = {
    {.name = "help",
     .data = N_("get/set compression cache size")
    },
    {.name = "desc",
     .data = N_("Get/set size of the cache (in bytes) used for compressing "
                "repeatedly transferred memory pages during live migration.")
    },
    {.name = NULL}
};

static const vshCmdOptDef opts_migrate_compcache[] = {
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "size",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ_OPT,
     .help = N_("requested size of the cache (in bytes) used for compression")
    },
    {.name = NULL}
};

static bool
cmdMigrateCompCache(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    unsigned long long size = 0;
    bool ret = false;
    const char *unit;
    double value;
    int rc;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    rc = vshCommandOptULongLong(cmd, "size", &size);
    if (rc < 0) {
        vshError(ctl, "%s", _("Unable to parse size parameter"));
        goto cleanup;
    } else if (rc != 0) {
        if (virDomainMigrateSetCompressionCache(dom, size, 0) < 0)
            goto cleanup;
    }

    if (virDomainMigrateGetCompressionCache(dom, &size, 0) < 0)
        goto cleanup;

    value = vshPrettyCapacity(size, &unit);
    vshPrint(ctl, _("Compression cache: %.3lf %s"), value, unit);

    ret = true;
cleanup:
    virDomainFree(dom);
    return ret;
}

8519 8520 8521 8522
/*
 * "migrate-setspeed" command
 */
static const vshCmdInfo info_migrate_setspeed[] = {
8523 8524 8525 8526 8527 8528 8529 8530
    {.name = "help",
     .data = N_("Set the maximum migration bandwidth")
    },
    {.name = "desc",
     .data = N_("Set the maximum migration bandwidth (in MiB/s) for a domain "
                "which is being migrated to another host.")
    },
    {.name = NULL}
8531 8532 8533
};

static const vshCmdOptDef opts_migrate_setspeed[] = {
8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "bandwidth",
     .type = VSH_OT_INT,
     .flags = VSH_OFLAG_REQ,
     .help = N_("migration bandwidth limit in MiB/s")
    },
    {.name = NULL}
8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575
};

static bool
cmdMigrateSetMaxSpeed(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    unsigned long bandwidth = 0;
    bool ret = false;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (vshCommandOptUL(cmd, "bandwidth", &bandwidth) < 0) {
        vshError(ctl, "%s", _("migrate: Invalid bandwidth"));
        goto done;
    }

    if (virDomainMigrateSetMaxSpeed(dom, bandwidth, 0) < 0)
        goto done;

    ret = true;

done:
    virDomainFree(dom);
    return ret;
}

/*
 * "migrate-getspeed" command
 */
static const vshCmdInfo info_migrate_getspeed[] = {
8576 8577 8578 8579 8580 8581 8582
    {.name = "help",
     .data = N_("Get the maximum migration bandwidth")
    },
    {.name = "desc",
     .data = N_("Get the maximum migration bandwidth (in MiB/s) for a domain.")
    },
    {.name = NULL}
8583 8584 8585
};

static const vshCmdOptDef opts_migrate_getspeed[] = {
8586 8587 8588 8589 8590 8591
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
8592 8593 8594 8595 8596 8597 8598 8599 8600 8601 8602 8603 8604 8605 8606 8607 8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619
};

static bool
cmdMigrateGetMaxSpeed(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    unsigned long bandwidth;
    bool ret = false;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (virDomainMigrateGetMaxSpeed(dom, &bandwidth, 0) < 0)
        goto done;

    vshPrint(ctl, "%lu\n", bandwidth);

    ret = true;

done:
    virDomainFree(dom);
    return ret;
}

/*
 * "domdisplay" command
 */
static const vshCmdInfo info_domdisplay[] = {
8620 8621 8622 8623 8624 8625 8626
    {.name = "help",
     .data = N_("domain display connection URI")
    },
    {.name = "desc",
     .data = N_("Output the IP address and port number for the graphical display.")
    },
    {.name = NULL}
8627 8628 8629
};

static const vshCmdOptDef opts_domdisplay[] = {
8630 8631 8632 8633 8634 8635 8636 8637 8638 8639
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "include-password",
     .type = VSH_OT_BOOL,
     .help = N_("includes the password into the connection URI if available")
    },
    {.name = NULL}
8640 8641 8642 8643 8644 8645 8646 8647 8648 8649
};

static bool
cmdDomDisplay(vshControl *ctl, const vshCmd *cmd)
{
    xmlDocPtr xml = NULL;
    xmlXPathContextPtr ctxt = NULL;
    virDomainPtr dom;
    virBuffer buf = VIR_BUFFER_INITIALIZER;
    bool ret = false;
M
Martin Kletzander 已提交
8650 8651 8652
    char *doc = NULL;
    char *xpath = NULL;
    char *listen_addr = NULL;
8653 8654 8655 8656 8657 8658 8659
    int port, tls_port = 0;
    char *passwd = NULL;
    char *output = NULL;
    const char *scheme[] = { "vnc", "spice", "rdp", NULL };
    int iter = 0;
    int tmp;
    int flags = 0;
M
Martin Kletzander 已提交
8660 8661
    bool params = false;
    const char *xpath_fmt = "string(/domain/devices/graphics[@type='%s']/@%s)";
8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    if (!virDomainIsActive(dom)) {
        vshError(ctl, _("Domain is not running"));
        goto cleanup;
    }

    if (vshCommandOptBool(cmd, "include-password"))
        flags |= VIR_DOMAIN_XML_SECURE;

M
Martin Kletzander 已提交
8674
    if (!(doc = virDomainGetXMLDesc(dom, flags)))
8675 8676
        goto cleanup;

M
Martin Kletzander 已提交
8677
    if (!(xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt)))
8678 8679 8680 8681 8682
        goto cleanup;

    /* Attempt to grab our display info */
    for (iter = 0; scheme[iter] != NULL; iter++) {
        /* Create our XPATH lookup for the current display's port */
M
Martin Kletzander 已提交
8683 8684
        if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "port") < 0)
            goto no_memory;
8685 8686 8687 8688 8689 8690

        /* Attempt to get the port number for the current graphics scheme */
        tmp = virXPathInt(xpath, ctxt, &port);
        VIR_FREE(xpath);

        /* If there is no port number for this type, then jump to the next
M
Martin Kletzander 已提交
8691
         * scheme */
8692 8693 8694 8695
        if (tmp)
            continue;

        /* Create our XPATH lookup for the current display's address */
M
Martin Kletzander 已提交
8696 8697
        if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "listen") < 0)
            goto no_memory;
8698 8699

        /* Attempt to get the listening addr if set for the current
M
Martin Kletzander 已提交
8700
         * graphics scheme */
8701 8702 8703
        listen_addr = virXPathString(xpath, ctxt);
        VIR_FREE(xpath);

M
Martin Kletzander 已提交
8704 8705 8706 8707 8708 8709 8710 8711 8712 8713 8714 8715 8716
        /* We can query this info for all the graphics types since we'll
         * get nothing for the unsupported ones (just rdp for now).
         * Also the parameter '--include-password' was already taken
         * care of when getting the XML */

        /* Create our XPATH lookup for the password */
        if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "passwd") < 0)
            goto no_memory;

        /* Attempt to get the password */
        passwd = virXPathString(xpath, ctxt);
        VIR_FREE(xpath);

8717
        if (STREQ(scheme[iter], "vnc")) {
M
Martin Kletzander 已提交
8718 8719
            /* VNC protocol handlers take their port number as
             * 'port' - 5900 */
8720
            port -= 5900;
M
Martin Kletzander 已提交
8721
        }
8722

M
Martin Kletzander 已提交
8723 8724 8725 8726
        /* Create our XPATH lookup for TLS Port (automatically skipped
         * for unsupported schemes */
        if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "tlsPort") < 0)
            goto no_memory;
8727

M
Martin Kletzander 已提交
8728 8729 8730 8731 8732
        /* Attempt to get the TLS port number */
        tmp = virXPathInt(xpath, ctxt, &tls_port);
        VIR_FREE(xpath);
        if (tmp)
            tls_port = 0;
8733 8734 8735 8736

        /* Build up the full URI, starting with the scheme */
        virBufferAsprintf(&buf, "%s://", scheme[iter]);

M
Martin Kletzander 已提交
8737 8738 8739 8740
        /* There is no user, so just append password if there's any */
        if (STREQ(scheme[iter], "vnc") && passwd)
            virBufferAsprintf(&buf, ":%s@", passwd);

8741 8742 8743 8744 8745 8746 8747
        /* Then host name or IP */
        if (!listen_addr || STREQ((const char *)listen_addr, "0.0.0.0"))
            virBufferAddLit(&buf, "localhost");
        else
            virBufferAsprintf(&buf, "%s", listen_addr);

        /* Add the port */
M
Martin Kletzander 已提交
8748
        virBufferAsprintf(&buf, ":%d", port);
8749 8750

        /* TLS Port */
M
Martin Kletzander 已提交
8751 8752 8753 8754 8755 8756 8757
        if (tls_port) {
            virBufferAsprintf(&buf,
                              "%stls-port=%d",
                              params ? "&" : "?",
                              tls_port);
            params = true;
        }
8758

M
Martin Kletzander 已提交
8759 8760 8761 8762 8763 8764
        if (STREQ(scheme[iter], "spice") && passwd) {
            virBufferAsprintf(&buf,
                              "%spassword=%s",
                              params ? "&" : "?",
                              passwd);
            params = true;
8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782
        }

        /* Ensure we can print our URI */
        if (virBufferError(&buf)) {
            vshPrint(ctl, "%s", _("Failed to create display URI"));
            goto cleanup;
        }

        /* Print out our full URI */
        output = virBufferContentAndReset(&buf);
        vshPrint(ctl, "%s", output);

        /* We got what we came for so return successfully */
        ret = true;
        break;
    }

cleanup:
M
Martin Kletzander 已提交
8783 8784 8785 8786 8787
    VIR_FREE(doc);
    VIR_FREE(xpath);
    VIR_FREE(passwd);
    VIR_FREE(listen_addr);
    VIR_FREE(output);
8788 8789 8790 8791
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    virDomainFree(dom);
    return ret;
M
Martin Kletzander 已提交
8792 8793 8794 8795

no_memory:
    virReportOOMError();
    goto cleanup;
8796 8797 8798 8799 8800 8801
}

/*
 * "vncdisplay" command
 */
static const vshCmdInfo info_vncdisplay[] = {
8802 8803 8804 8805 8806 8807 8808
    {.name = "help",
     .data = N_("vnc display")
    },
    {.name = "desc",
     .data = N_("Output the IP address and port number for the VNC display.")
    },
    {.name = NULL}
8809 8810 8811
};

static const vshCmdOptDef opts_vncdisplay[] = {
8812 8813 8814 8815 8816 8817
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832 8833 8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874
};

static bool
cmdVNCDisplay(vshControl *ctl, const vshCmd *cmd)
{
    xmlDocPtr xml = NULL;
    xmlXPathContextPtr ctxt = NULL;
    virDomainPtr dom;
    bool ret = false;
    int port = 0;
    char *doc = NULL;
    char *listen_addr = NULL;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    /* Check if the domain is active and don't rely on -1 for this */
    if (!virDomainIsActive(dom)) {
        vshError(ctl, _("Domain is not running"));
        goto cleanup;
    }

    if (!(doc = virDomainGetXMLDesc(dom, 0)))
        goto cleanup;

    if (!(xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt)))
        goto cleanup;

    /* Get the VNC port */
    if (virXPathInt("string(/domain/devices/graphics[@type='vnc']/@port)",
                    ctxt, &port)) {
        vshError(ctl, _("Failed to get VNC port. Is this domain using VNC?"));
        goto cleanup;
    }

    listen_addr = virXPathString("string(/domain/devices/graphics"
                                 "[@type='vnc']/@listen)", ctxt);
    if (listen_addr == NULL || STREQ(listen_addr, "0.0.0.0"))
        vshPrint(ctl, ":%d\n", port-5900);
    else
        vshPrint(ctl, "%s:%d\n", listen_addr, port-5900);

    ret = true;

 cleanup:
    VIR_FREE(doc);
    VIR_FREE(listen_addr);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    virDomainFree(dom);
    return ret;
}

/*
 * "ttyconsole" command
 */
static const vshCmdInfo info_ttyconsole[] = {
8875 8876 8877 8878 8879 8880 8881
    {.name = "help",
     .data = N_("tty console")
    },
    {.name = "desc",
     .data = N_("Output the device for the TTY console.")
    },
    {.name = NULL}
8882 8883 8884
};

static const vshCmdOptDef opts_ttyconsole[] = {
8885 8886 8887 8888 8889 8890
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
8891 8892 8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934
};

static bool
cmdTTYConsole(vshControl *ctl, const vshCmd *cmd)
{
    xmlDocPtr xml = NULL;
    xmlXPathObjectPtr obj = NULL;
    xmlXPathContextPtr ctxt = NULL;
    virDomainPtr dom;
    bool ret = false;
    char *doc;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    doc = virDomainGetXMLDesc(dom, 0);
    if (!doc)
        goto cleanup;

    xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt);
    VIR_FREE(doc);
    if (!xml)
        goto cleanup;

    obj = xmlXPathEval(BAD_CAST "string(/domain/devices/console/@tty)", ctxt);
    if (obj == NULL || obj->type != XPATH_STRING ||
        obj->stringval == NULL || obj->stringval[0] == 0) {
        goto cleanup;
    }
    vshPrint(ctl, "%s\n", (const char *)obj->stringval);
    ret = true;

 cleanup:
    xmlXPathFreeObject(obj);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    virDomainFree(dom);
    return ret;
}

/*
 * "domhostname" command
 */
static const vshCmdInfo info_domhostname[] = {
8935 8936 8937 8938 8939 8940 8941
    {.name = "help",
     .data = N_("print the domain's hostname")
    },
    {.name = "desc",
     .data = ""
    },
    {.name = NULL}
8942 8943 8944
};

static const vshCmdOptDef opts_domhostname[] = {
8945 8946 8947 8948 8949 8950
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
8951 8952 8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969 8970 8971 8972 8973 8974 8975 8976 8977 8978 8979 8980 8981 8982 8983 8984 8985 8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024 9025 9026 9027 9028 9029 9030 9031 9032
};

static bool
cmdDomHostname(vshControl *ctl, const vshCmd *cmd)
{
    char *hostname;
    virDomainPtr dom;
    bool ret = false;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

    hostname = virDomainGetHostname(dom, 0);
    if (hostname == NULL) {
        vshError(ctl, "%s", _("failed to get hostname"));
        goto error;
    }

    vshPrint(ctl, "%s\n", hostname);
    ret = true;

error:
    VIR_FREE(hostname);
    virDomainFree(dom);
    return ret;
}

/**
 * Check if n1 is superset of n2, meaning n1 contains all elements and
 * attributes as n2 at least. Including children.
 * @n1 first node
 * @n2 second node
 * returns true in case n1 covers n2, false otherwise.
 */
ATTRIBUTE_UNUSED
static bool
vshNodeIsSuperset(xmlNodePtr n1, xmlNodePtr n2)
{
    xmlNodePtr child1, child2;
    xmlAttrPtr attr;
    char *prop1, *prop2;
    bool found;
    bool visited;
    bool ret = false;
    long n1_child_size, n2_child_size, n1_iter;
    virBitmapPtr bitmap;

    if (!n1 && !n2)
        return true;

    if (!n1 || !n2)
        return false;

    if (!xmlStrEqual(n1->name, n2->name))
        return false;

    /* Iterate over n2 attributes and check if n1 contains them*/
    attr = n2->properties;
    while (attr) {
        if (attr->type == XML_ATTRIBUTE_NODE) {
            prop1 = virXMLPropString(n1, (const char *) attr->name);
            prop2 = virXMLPropString(n2, (const char *) attr->name);
            if (STRNEQ_NULLABLE(prop1, prop2)) {
                xmlFree(prop1);
                xmlFree(prop2);
                return false;
            }
            xmlFree(prop1);
            xmlFree(prop2);
        }
        attr = attr->next;
    }

    n1_child_size = virXMLChildElementCount(n1);
    n2_child_size = virXMLChildElementCount(n2);
    if (n1_child_size < 0 || n2_child_size < 0 ||
        n1_child_size < n2_child_size)
        return false;

    if (n1_child_size == 0 && n2_child_size == 0)
        return true;

9033
    if (!(bitmap = virBitmapNew(n1_child_size))) {
9034 9035 9036 9037 9038 9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053 9054 9055 9056 9057 9058 9059 9060 9061 9062 9063 9064 9065 9066 9067 9068 9069 9070 9071 9072 9073 9074 9075 9076 9077 9078 9079 9080 9081 9082 9083 9084 9085 9086 9087 9088 9089 9090 9091 9092 9093 9094 9095 9096 9097 9098 9099
        virReportOOMError();
        return false;
    }

    child2 = n2->children;
    while (child2) {
        if (child2->type != XML_ELEMENT_NODE) {
            child2 = child2->next;
            continue;
        }

        child1 = n1->children;
        n1_iter = 0;
        found = false;
        while (child1) {
            if (child1->type != XML_ELEMENT_NODE) {
                child1 = child1->next;
                continue;
            }

            if (virBitmapGetBit(bitmap, n1_iter, &visited) < 0) {
                vshError(NULL, "%s", _("Bad child elements counting."));
                goto cleanup;
            }

            if (visited) {
                child1 = child1->next;
                n1_iter++;
                continue;
            }

            if (xmlStrEqual(child1->name, child2->name)) {
                found = true;
                if (virBitmapSetBit(bitmap, n1_iter) < 0) {
                    vshError(NULL, "%s", _("Bad child elements counting."));
                    goto cleanup;
                }

                if (!vshNodeIsSuperset(child1, child2))
                    goto cleanup;

                break;
            }

            child1 = child1->next;
            n1_iter++;
        }

        if (!found)
            goto cleanup;

        child2 = child2->next;
    }

    ret = true;

cleanup:
    virBitmapFree(bitmap);
    return ret;
}


/*
 * "detach-device" command
 */
static const vshCmdInfo info_detach_device[] = {
9100 9101 9102 9103 9104 9105 9106
    {.name = "help",
     .data = N_("detach device from an XML file")
    },
    {.name = "desc",
     .data = N_("Detach device from an XML <file>")
    },
    {.name = NULL}
9107 9108 9109
};

static const vshCmdOptDef opts_detach_device[] = {
9110 9111 9112 9113 9114 9115 9116 9117 9118 9119 9120
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("XML file")
    },
    {.name = "persistent",
9121 9122
     .type = VSH_OT_BOOL,
     .help = N_("make live change persistent")
9123 9124 9125 9126 9127
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
9128 9129 9130 9131 9132 9133 9134 9135
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
9136
    {.name = NULL}
9137 9138 9139 9140 9141 9142 9143 9144 9145 9146
};

static bool
cmdDetachDevice(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    const char *from = NULL;
    char *buffer = NULL;
    int ret;
    bool funcRet = false;
9147 9148 9149 9150 9151 9152 9153 9154 9155 9156 9157 9158 9159 9160 9161
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool persistent = vshCommandOptBool(cmd, "persistent");
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;

    VSH_EXCLUSIVE_OPTIONS_VAR(persistent, current);

    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config || persistent)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
9162 9163 9164 9165

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

9166 9167 9168 9169
    if (persistent &&
        virDomainIsActive(dom) == 1)
        flags |= VIR_DOMAIN_AFFECT_LIVE;

9170
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
9171 9172
        goto cleanup;

E
Eric Blake 已提交
9173 9174
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
        vshReportError(ctl);
9175 9176 9177
        goto cleanup;
    }

9178
    if (flags != 0)
9179
        ret = virDomainDetachDeviceFlags(dom, buffer, flags);
9180
    else
9181 9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193 9194 9195 9196 9197 9198 9199 9200
        ret = virDomainDetachDevice(dom, buffer);

    if (ret < 0) {
        vshError(ctl, _("Failed to detach device from %s"), from);
        goto cleanup;
    }

    vshPrint(ctl, "%s", _("Device detached successfully\n"));
    funcRet = true;

cleanup:
    VIR_FREE(buffer);
    virDomainFree(dom);
    return funcRet;
}

/*
 * "update-device" command
 */
static const vshCmdInfo info_update_device[] = {
9201 9202 9203 9204 9205 9206 9207
    {.name = "help",
     .data = N_("update device from an XML file")
    },
    {.name = "desc",
     .data = N_("Update device from an XML <file>.")
    },
    {.name = NULL}
9208 9209 9210
};

static const vshCmdOptDef opts_update_device[] = {
9211 9212 9213 9214 9215 9216 9217 9218 9219 9220 9221
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "file",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("XML file")
    },
    {.name = "persistent",
9222 9223
     .type = VSH_OT_BOOL,
     .help = N_("make live change persistent")
9224 9225 9226 9227 9228
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
9229 9230 9231 9232 9233 9234 9235 9236
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
9237 9238 9239 9240 9241
    {.name = "force",
     .type = VSH_OT_BOOL,
     .help = N_("force device update")
    },
    {.name = NULL}
9242 9243 9244 9245 9246 9247 9248
};

static bool
cmdUpdateDevice(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom;
    const char *from = NULL;
9249 9250
    char *buffer = NULL;
    bool ret = false;
9251 9252 9253 9254 9255 9256 9257 9258 9259 9260 9261 9262 9263 9264 9265
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool persistent = vshCommandOptBool(cmd, "persistent");

    VSH_EXCLUSIVE_OPTIONS_VAR(persistent, current);

    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config || persistent)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
9266 9267 9268 9269

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        return false;

9270 9271
    if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
        goto cleanup;
9272

9273 9274 9275 9276
    if (persistent &&
        virDomainIsActive(dom) == 1)
        flags |= VIR_DOMAIN_AFFECT_LIVE;

E
Eric Blake 已提交
9277 9278
    if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
        vshReportError(ctl);
9279
        goto cleanup;
9280 9281 9282 9283 9284
    }

    if (vshCommandOptBool(cmd, "force"))
        flags |= VIR_DOMAIN_DEVICE_MODIFY_FORCE;

9285
    if (virDomainUpdateDeviceFlags(dom, buffer, flags) < 0) {
9286
        vshError(ctl, _("Failed to update device from %s"), from);
9287
        goto cleanup;
9288 9289
    }

9290 9291 9292 9293 9294
    vshPrint(ctl, "%s", _("Device updated successfully\n"));
    ret = true;

cleanup:
    VIR_FREE(buffer);
9295
    virDomainFree(dom);
9296
    return ret;
9297 9298 9299 9300 9301 9302
}

/*
 * "detach-interface" command
 */
static const vshCmdInfo info_detach_interface[] = {
9303 9304 9305 9306 9307 9308 9309
    {.name = "help",
     .data = N_("detach network interface")
    },
    {.name = "desc",
     .data = N_("Detach network interface.")
    },
    {.name = NULL}
9310 9311 9312
};

static const vshCmdOptDef opts_detach_interface[] = {
9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "type",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("network interface type")
    },
    {.name = "mac",
     .type = VSH_OT_STRING,
     .help = N_("MAC address")
    },
    {.name = "persistent",
9328 9329
     .type = VSH_OT_BOOL,
     .help = N_("make live change persistent")
9330 9331 9332 9333 9334
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
9335 9336 9337 9338 9339 9340 9341 9342
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
9343
    {.name = NULL}
9344 9345 9346 9347 9348 9349 9350 9351 9352
};

static bool
cmdDetachInterface(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    xmlDocPtr xml = NULL;
    xmlXPathObjectPtr obj=NULL;
    xmlXPathContextPtr ctxt = NULL;
9353
    xmlNodePtr cur = NULL, matchNode = NULL;
9354 9355
    xmlBufferPtr xml_buf = NULL;
    const char *mac =NULL, *type = NULL;
9356
    char *doc = NULL;
9357 9358 9359 9360
    char buf[64];
    int i = 0, diff_mac;
    int ret;
    int functionReturn = false;
9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool persistent = vshCommandOptBool(cmd, "persistent");

    VSH_EXCLUSIVE_OPTIONS_VAR(persistent, current);

    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config || persistent)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
9376 9377

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
9378
        return false;
9379

9380
    if (vshCommandOptStringReq(ctl, cmd, "type", &type) < 0)
9381 9382
        goto cleanup;

9383
    if (vshCommandOptStringReq(ctl, cmd, "mac", &mac) < 0)
9384 9385
        goto cleanup;

9386 9387 9388 9389 9390
    if (persistent &&
        virDomainIsActive(dom) == 1)
        flags |= VIR_DOMAIN_AFFECT_LIVE;

    if (!(doc = virDomainGetXMLDesc(dom, 0)))
9391 9392
        goto cleanup;

9393
    if (!(xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt))) {
9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409 9410 9411
        vshError(ctl, "%s", _("Failed to get interface information"));
        goto cleanup;
    }

    snprintf(buf, sizeof(buf), "/domain/devices/interface[@type='%s']", type);
    obj = xmlXPathEval(BAD_CAST buf, ctxt);
    if (obj == NULL || obj->type != XPATH_NODESET ||
        obj->nodesetval == NULL || obj->nodesetval->nodeNr == 0) {
        vshError(ctl, _("No found interface whose type is %s"), type);
        goto cleanup;
    }

    if (!mac && obj->nodesetval->nodeNr > 1) {
        vshError(ctl, _("Domain has %d interfaces. Please specify which one "
                        "to detach using --mac"), obj->nodesetval->nodeNr);
        goto cleanup;
    }

9412 9413
    if (!mac) {
        matchNode = obj->nodesetval->nodeTab[0];
9414
        goto hit;
9415
    }
9416

9417
    /* multiple possibilities, so search for matching mac */
9418 9419 9420 9421 9422 9423 9424 9425 9426
    for (; i < obj->nodesetval->nodeNr; i++) {
        cur = obj->nodesetval->nodeTab[i]->children;
        while (cur != NULL) {
            if (cur->type == XML_ELEMENT_NODE &&
                xmlStrEqual(cur->name, BAD_CAST "mac")) {
                char *tmp_mac = virXMLPropString(cur, "address");
                diff_mac = virMacAddrCompare(tmp_mac, mac);
                VIR_FREE(tmp_mac);
                if (!diff_mac) {
9427 9428 9429 9430 9431 9432 9433 9434 9435
                    if (matchNode) {
                        /* this is the 2nd match, so it's ambiguous */
                        vshError(ctl, _("Domain has multiple interfaces matching "
                                        "MAC address %s. You must use detach-device and "
                                        "specify the device pci address to remove it."),
                                 mac);
                        goto cleanup;
                    }
                    matchNode = obj->nodesetval->nodeTab[i];
9436 9437 9438 9439 9440
                }
            }
            cur = cur->next;
        }
    }
9441 9442 9443 9444
    if (!matchNode) {
        vshError(ctl, _("No interface with MAC address %s was found"), mac);
        goto cleanup;
    }
9445 9446 9447 9448 9449 9450 9451 9452

 hit:
    xml_buf = xmlBufferCreate();
    if (!xml_buf) {
        vshError(ctl, "%s", _("Failed to allocate memory"));
        goto cleanup;
    }

9453
    if (xmlNodeDump(xml_buf, xml, matchNode, 0, 0) < 0) {
9454 9455 9456 9457
        vshError(ctl, "%s", _("Failed to create XML"));
        goto cleanup;
    }

9458
    if (flags != 0) {
9459 9460 9461 9462 9463 9464 9465 9466 9467 9468 9469 9470 9471 9472 9473
        ret = virDomainDetachDeviceFlags(dom,
                                         (char *)xmlBufferContent(xml_buf),
                                         flags);
    } else {
        ret = virDomainDetachDevice(dom, (char *)xmlBufferContent(xml_buf));
    }

    if (ret != 0) {
        vshError(ctl, "%s", _("Failed to detach interface"));
    } else {
        vshPrint(ctl, "%s", _("Interface detached successfully\n"));
        functionReturn = true;
    }

 cleanup:
9474
    VIR_FREE(doc);
9475
    virDomainFree(dom);
9476 9477 9478 9479 9480 9481 9482 9483 9484 9485 9486 9487 9488 9489 9490 9491 9492 9493 9494 9495 9496 9497 9498 9499 9500 9501 9502 9503 9504 9505 9506 9507 9508 9509 9510 9511 9512 9513 9514 9515 9516 9517 9518 9519 9520 9521 9522 9523 9524 9525 9526 9527 9528 9529 9530 9531 9532 9533 9534 9535 9536 9537 9538 9539 9540 9541 9542 9543 9544 9545 9546 9547 9548 9549 9550 9551 9552 9553 9554 9555 9556 9557 9558 9559 9560 9561 9562 9563 9564 9565 9566 9567 9568 9569 9570 9571 9572 9573 9574 9575 9576 9577 9578 9579 9580 9581 9582 9583 9584 9585 9586 9587 9588 9589 9590 9591 9592 9593 9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610 9611 9612 9613 9614 9615 9616 9617 9618 9619 9620 9621 9622 9623 9624 9625 9626 9627 9628 9629 9630 9631 9632 9633 9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679 9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700 9701 9702
    xmlXPathFreeObject(obj);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    xmlBufferFree(xml_buf);
    return functionReturn;
}

typedef enum {
    VSH_FIND_DISK_NORMAL,
    VSH_FIND_DISK_CHANGEABLE,
} vshFindDiskType;

/* Helper function to find disk device in XML doc.  Returns the disk
 * node on success, or NULL on failure. Caller must free the result
 * @path: Fully-qualified path or target of disk device.
 * @type: Either VSH_FIND_DISK_NORMAL or VSH_FIND_DISK_CHANGEABLE.
 */
static xmlNodePtr
vshFindDisk(const char *doc,
            const char *path,
            int type)
{
    xmlDocPtr xml = NULL;
    xmlXPathObjectPtr obj= NULL;
    xmlXPathContextPtr ctxt = NULL;
    xmlNodePtr cur = NULL;
    xmlNodePtr ret = NULL;
    int i = 0;

    xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt);
    if (!xml) {
        vshError(NULL, "%s", _("Failed to get disk information"));
        goto cleanup;
    }

    obj = xmlXPathEval(BAD_CAST "/domain/devices/disk", ctxt);
    if (obj == NULL ||
        obj->type != XPATH_NODESET ||
        obj->nodesetval == NULL ||
        obj->nodesetval->nodeNr == 0) {
        vshError(NULL, "%s", _("Failed to get disk information"));
        goto cleanup;
    }

    /* search disk using @path */
    for (; i < obj->nodesetval->nodeNr; i++) {
        bool is_supported = true;

        if (type == VSH_FIND_DISK_CHANGEABLE) {
            xmlNodePtr n = obj->nodesetval->nodeTab[i];
            is_supported = false;

            /* Check if the disk is CDROM or floppy disk */
            if (xmlStrEqual(n->name, BAD_CAST "disk")) {
                char *device_value = virXMLPropString(n, "device");

                if (STREQ(device_value, "cdrom") ||
                    STREQ(device_value, "floppy"))
                    is_supported = true;

                VIR_FREE(device_value);
            }

            if (!is_supported)
                continue;
        }

        cur = obj->nodesetval->nodeTab[i]->children;
        while (cur != NULL) {
            if (cur->type == XML_ELEMENT_NODE) {
                char *tmp = NULL;

                if (xmlStrEqual(cur->name, BAD_CAST "source")) {
                    if ((tmp = virXMLPropString(cur, "file")) ||
                        (tmp = virXMLPropString(cur, "dev")) ||
                        (tmp = virXMLPropString(cur, "dir")) ||
                        (tmp = virXMLPropString(cur, "name"))) {
                    }
                } else if (xmlStrEqual(cur->name, BAD_CAST "target")) {
                    tmp = virXMLPropString(cur, "dev");
                }

                if (STREQ_NULLABLE(tmp, path)) {
                    ret = xmlCopyNode(obj->nodesetval->nodeTab[i], 1);
                    VIR_FREE(tmp);
                    goto cleanup;
                }
                VIR_FREE(tmp);
            }
            cur = cur->next;
        }
    }

    vshError(NULL, _("No found disk whose source path or target is %s"), path);

cleanup:
    xmlXPathFreeObject(obj);
    xmlXPathFreeContext(ctxt);
    xmlFreeDoc(xml);
    return ret;
}

typedef enum {
    VSH_PREPARE_DISK_XML_NONE = 0,
    VSH_PREPARE_DISK_XML_EJECT,
    VSH_PREPARE_DISK_XML_INSERT,
    VSH_PREPARE_DISK_XML_UPDATE,
} vshPrepareDiskXMLType;

/* Helper function to prepare disk XML. Could be used for disk
 * detaching, media changing(ejecting, inserting, updating)
 * for changeable disk. Returns the processed XML as string on
 * success, or NULL on failure. Caller must free the result.
 */
static char *
vshPrepareDiskXML(xmlNodePtr disk_node,
                  const char *source,
                  const char *path,
                  int type)
{
    xmlNodePtr cur = NULL;
    xmlBufferPtr xml_buf = NULL;
    const char *disk_type = NULL;
    const char *device_type = NULL;
    xmlNodePtr new_node = NULL;
    char *ret = NULL;

    if (!disk_node)
        return NULL;

    xml_buf = xmlBufferCreate();
    if (!xml_buf) {
        vshError(NULL, "%s", _("Failed to allocate memory"));
        return NULL;
    }

    device_type = virXMLPropString(disk_node, "device");

    if (STREQ_NULLABLE(device_type, "cdrom") ||
        STREQ_NULLABLE(device_type, "floppy")) {
        bool has_source = false;
        disk_type = virXMLPropString(disk_node, "type");

        cur = disk_node->children;
        while (cur != NULL) {
            if (cur->type == XML_ELEMENT_NODE &&
                xmlStrEqual(cur->name, BAD_CAST "source")) {
                has_source = true;
                break;
            }
            cur = cur->next;
        }

        if (!has_source) {
            if (type == VSH_PREPARE_DISK_XML_EJECT) {
                vshError(NULL, _("The disk device '%s' doesn't have media"),
                         path);
                goto error;
            }

            if (source) {
                new_node = xmlNewNode(NULL, BAD_CAST "source");
                xmlNewProp(new_node, (const xmlChar *)disk_type,
                           (const xmlChar *)source);
                xmlAddChild(disk_node, new_node);
            } else if (type == VSH_PREPARE_DISK_XML_INSERT) {
                vshError(NULL, _("No source is specified for inserting media"));
                goto error;
            } else if (type == VSH_PREPARE_DISK_XML_UPDATE) {
                vshError(NULL, _("No source is specified for updating media"));
                goto error;
            }
        }

        if (has_source) {
            if (type == VSH_PREPARE_DISK_XML_INSERT) {
                vshError(NULL, _("The disk device '%s' already has media"),
                         path);
                goto error;
            }

            /* Remove the source if it tends to eject/update media. */
            xmlUnlinkNode(cur);
            xmlFreeNode(cur);

            if (source && (type == VSH_PREPARE_DISK_XML_UPDATE)) {
                new_node = xmlNewNode(NULL, BAD_CAST "source");
                xmlNewProp(new_node, (const xmlChar *)disk_type,
                           (const xmlChar *)source);
                xmlAddChild(disk_node, new_node);
            }
        }
    }

    if (xmlNodeDump(xml_buf, NULL, disk_node, 0, 0) < 0) {
        vshError(NULL, "%s", _("Failed to create XML"));
        goto error;
    }

    goto cleanup;

cleanup:
    VIR_FREE(device_type);
    VIR_FREE(disk_type);
    if (xml_buf) {
        int len = xmlBufferLength(xml_buf);
        if (VIR_ALLOC_N(ret, len + 1) < 0) {
            virReportOOMError();
            return NULL;
        }
        memcpy(ret, (char *)xmlBufferContent(xml_buf), len);
        ret[len] = '\0';
        xmlBufferFree(xml_buf);
    }
    return ret;

error:
    xmlBufferFree(xml_buf);
    xml_buf = NULL;
    goto cleanup;
}


/*
 * "detach-disk" command
 */
static const vshCmdInfo info_detach_disk[] = {
9703 9704 9705 9706 9707 9708 9709
    {.name = "help",
     .data = N_("detach disk device")
    },
    {.name = "desc",
     .data = N_("Detach disk device.")
    },
    {.name = NULL}
9710 9711 9712
};

static const vshCmdOptDef opts_detach_disk[] = {
9713 9714 9715 9716 9717 9718 9719 9720 9721 9722 9723
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "target",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("target of disk device")
    },
    {.name = "persistent",
9724 9725
     .type = VSH_OT_BOOL,
     .help = N_("make live change persistent")
9726 9727 9728 9729 9730
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("affect next boot")
    },
9731 9732 9733 9734 9735 9736 9737 9738
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("affect running domain")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("affect current domain")
    },
9739
    {.name = NULL}
9740 9741 9742 9743 9744 9745 9746 9747 9748 9749 9750 9751
};

static bool
cmdDetachDisk(vshControl *ctl, const vshCmd *cmd)
{
    char *disk_xml = NULL;
    virDomainPtr dom = NULL;
    const char *target = NULL;
    char *doc = NULL;
    int ret;
    bool functionReturn = false;
    xmlNodePtr disk_node = NULL;
9752 9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766
    bool current = vshCommandOptBool(cmd, "current");
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool persistent = vshCommandOptBool(cmd, "persistent");
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;

    VSH_EXCLUSIVE_OPTIONS_VAR(persistent, current);

    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);

    if (config || persistent)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
9767 9768

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
9769
        return false;
9770

9771
    if (vshCommandOptStringReq(ctl, cmd, "target", &target) < 0)
9772 9773
        goto cleanup;

9774
    if (!(doc = virDomainGetXMLDesc(dom, 0)))
9775 9776
        goto cleanup;

9777 9778 9779 9780
    if (persistent &&
        virDomainIsActive(dom) == 1)
        flags |= VIR_DOMAIN_AFFECT_LIVE;

9781 9782 9783 9784 9785 9786 9787
    if (!(disk_node = vshFindDisk(doc, target, VSH_FIND_DISK_NORMAL)))
        goto cleanup;

    if (!(disk_xml = vshPrepareDiskXML(disk_node, NULL, NULL,
                                       VSH_PREPARE_DISK_XML_NONE)))
        goto cleanup;

9788 9789 9790
    if (flags != 0)
        ret = virDomainDetachDeviceFlags(dom, disk_xml, flags);
    else
9791 9792 9793 9794
        ret = virDomainDetachDevice(dom, disk_xml);

    if (ret != 0) {
        vshError(ctl, "%s", _("Failed to detach disk"));
9795
        goto cleanup;
9796 9797
    }

9798 9799 9800
    vshPrint(ctl, "%s", _("Disk detached successfully\n"));
    functionReturn = true;

9801 9802 9803 9804
 cleanup:
    xmlFreeNode(disk_node);
    VIR_FREE(disk_xml);
    VIR_FREE(doc);
9805
    virDomainFree(dom);
9806 9807 9808 9809 9810 9811 9812
    return functionReturn;
}

/*
 * "edit" command
 */
static const vshCmdInfo info_edit[] = {
9813 9814 9815 9816 9817 9818 9819
    {.name = "help",
     .data = N_("edit XML configuration for a domain")
    },
    {.name = "desc",
     .data = N_("Edit the XML configuration for a domain.")
    },
    {.name = NULL}
9820 9821 9822
};

static const vshCmdOptDef opts_edit[] = {
9823 9824 9825 9826 9827 9828
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = NULL}
9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 9848 9849 9850 9851 9852 9853 9854 9855 9856 9857 9858 9859 9860 9861 9862 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872
};

static bool
cmdEdit(vshControl *ctl, const vshCmd *cmd)
{
    bool ret = false;
    virDomainPtr dom = NULL;
    virDomainPtr dom_edited = NULL;
    unsigned int flags = VIR_DOMAIN_XML_SECURE | VIR_DOMAIN_XML_INACTIVE;

    dom = vshCommandOptDomain(ctl, cmd, NULL);
    if (dom == NULL)
        goto cleanup;

#define EDIT_GET_XML virDomainGetXMLDesc(dom, flags)
#define EDIT_NOT_CHANGED \
    vshPrint(ctl, _("Domain %s XML configuration not changed.\n"),  \
             virDomainGetName(dom));                                \
    ret = true; goto edit_cleanup;
#define EDIT_DEFINE \
    (dom_edited = virDomainDefineXML(ctl->conn, doc_edited))
#define EDIT_FREE \
    if (dom_edited) \
        virDomainFree(dom_edited);
#include "virsh-edit.c"

    vshPrint(ctl, _("Domain %s XML configuration edited.\n"),
             virDomainGetName(dom_edited));

    ret = true;

 cleanup:
    if (dom)
        virDomainFree(dom);
    if (dom_edited)
        virDomainFree(dom_edited);

    return ret;
}

/*
 * "change-media" command
 */
static const vshCmdInfo info_change_media[] = {
9873 9874 9875 9876 9877 9878 9879
    {.name = "help",
     .data = N_("Change media of CD or floppy drive")
    },
    {.name = "desc",
     .data = N_("Change media of CD or floppy drive.")
    },
    {.name = NULL}
9880 9881 9882
};

static const vshCmdOptDef opts_change_media[] = {
9883 9884 9885 9886 9887 9888 9889 9890 9891 9892 9893 9894 9895 9896 9897 9898 9899 9900 9901 9902 9903 9904 9905 9906 9907 9908 9909 9910 9911 9912 9913 9914 9915 9916 9917 9918 9919 9920 9921 9922 9923 9924 9925 9926
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "path",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("Fully-qualified path or target of disk device")
    },
    {.name = "source",
     .type = VSH_OT_DATA,
     .help = N_("source of the media")
    },
    {.name = "eject",
     .type = VSH_OT_BOOL,
     .help = N_("Eject the media")
    },
    {.name = "insert",
     .type = VSH_OT_BOOL,
     .help = N_("Insert the media")
    },
    {.name = "update",
     .type = VSH_OT_BOOL,
     .help = N_("Update the media")
    },
    {.name = "current",
     .type = VSH_OT_BOOL,
     .help = N_("can be either or both of --live and --config, "
                "depends on implementation of hypervisor driver")
    },
    {.name = "live",
     .type = VSH_OT_BOOL,
     .help = N_("alter live configuration of running domain")
    },
    {.name = "config",
     .type = VSH_OT_BOOL,
     .help = N_("alter persistent configuration, effect observed on next boot")
    },
    {.name = "force",
     .type = VSH_OT_BOOL,
     .help = N_("force media changing")
    },
    {.name = NULL}
9927 9928 9929 9930 9931 9932 9933 9934 9935 9936 9937 9938 9939 9940
};

static bool
cmdChangeMedia(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    const char *source = NULL;
    const char *path = NULL;
    const char *doc = NULL;
    xmlNodePtr disk_node = NULL;
    const char *disk_xml = NULL;
    bool ret = false;
    int prepare_type = 0;
    const char *action = NULL;
9941 9942 9943 9944 9945 9946 9947 9948
    bool config = vshCommandOptBool(cmd, "config");
    bool live = vshCommandOptBool(cmd, "live");
    bool current = vshCommandOptBool(cmd, "current");
    bool force = vshCommandOptBool(cmd, "force");
    bool eject = vshCommandOptBool(cmd, "eject");
    bool insert = vshCommandOptBool(cmd, "insert");
    bool update = vshCommandOptBool(cmd, "update");
    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
9949

9950 9951 9952
    VSH_EXCLUSIVE_OPTIONS_VAR(eject, insert);
    VSH_EXCLUSIVE_OPTIONS_VAR(eject, update);
    VSH_EXCLUSIVE_OPTIONS_VAR(insert, update);
9953 9954 9955 9956 9957 9958 9959 9960 9961 9962 9963 9964 9965 9966 9967 9968

    if (eject) {
        prepare_type = VSH_PREPARE_DISK_XML_EJECT;
        action = "eject";
    }

    if (insert) {
        prepare_type = VSH_PREPARE_DISK_XML_INSERT;
        action = "insert";
    }

    if (update || (!eject && !insert)) {
        prepare_type = VSH_PREPARE_DISK_XML_UPDATE;
        action = "update";
    }

9969 9970
    VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
    VSH_EXCLUSIVE_OPTIONS_VAR(current, config);
9971

9972 9973 9974 9975
    if (config)
        flags |= VIR_DOMAIN_AFFECT_CONFIG;
    if (live)
        flags |= VIR_DOMAIN_AFFECT_LIVE;
9976 9977 9978 9979 9980 9981
    if (force)
        flags |= VIR_DOMAIN_DEVICE_MODIFY_FORCE;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
        goto cleanup;

9982
    if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
9983 9984
        goto cleanup;

9985
    if (vshCommandOptStringReq(ctl, cmd, "source", &source) < 0)
9986 9987 9988 9989 9990 9991 9992 9993 9994 9995 9996 9997 9998 9999 10000 10001 10002 10003 10004 10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016 10017 10018 10019 10020 10021
        goto cleanup;

    if (insert && !source) {
        vshError(ctl, "%s", _("No disk source specified for inserting"));
        goto cleanup;
    }

    if (flags & VIR_DOMAIN_AFFECT_CONFIG)
        doc = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
    else
        doc = virDomainGetXMLDesc(dom, 0);
    if (!doc)
        goto cleanup;

    if (!(disk_node = vshFindDisk(doc, path, VSH_FIND_DISK_CHANGEABLE)))
        goto cleanup;

    if (!(disk_xml = vshPrepareDiskXML(disk_node, source, path, prepare_type)))
        goto cleanup;

    if (virDomainUpdateDeviceFlags(dom, disk_xml, flags) != 0) {
        vshError(ctl, _("Failed to complete action %s on media"), action);
        goto cleanup;
    }

    vshPrint(ctl, _("succeeded to complete action %s on media\n"), action);
    ret = true;

cleanup:
    VIR_FREE(doc);
    xmlFreeNode(disk_node);
    VIR_FREE(disk_xml);
    if (dom)
        virDomainFree(dom);
    return ret;
}
10022

10023
static const vshCmdInfo info_domfstrim[] = {
10024 10025 10026 10027 10028 10029 10030
    {.name = "help",
     .data = N_("Invoke fstrim on domain's mounted filesystems.")
    },
    {.name = "desc",
     .data = N_("Invoke fstrim on domain's mounted filesystems.")
    },
    {.name = NULL}
10031 10032 10033
};

static const vshCmdOptDef opts_domfstrim[] = {
10034 10035 10036 10037 10038 10039 10040 10041 10042 10043 10044 10045 10046 10047
    {.name = "domain",
     .type = VSH_OT_DATA,
     .flags = VSH_OFLAG_REQ,
     .help = N_("domain name, id or uuid")
    },
    {.name = "minimum",
     .type = VSH_OT_INT,
     .help = N_("Just a hint to ignore contiguous "
                "free ranges smaller than this (Bytes)")
    },
    {.name = "mountpoint",
     .type = VSH_OT_DATA,
     .help = N_("which mount point to trim")
    },
10048 10049 10050 10051 10052 10053 10054 10055 10056 10057 10058 10059
    {NULL, 0, 0, NULL}
};
static bool
cmdDomFSTrim(vshControl *ctl, const vshCmd *cmd)
{
    virDomainPtr dom = NULL;
    bool ret = false;
    unsigned long long minimum = 0;
    const char *mountPoint = NULL;
    unsigned int flags = 0;

    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
10060
        return ret;
10061 10062 10063 10064 10065 10066

    if (vshCommandOptULongLong(cmd, "minimum", &minimum) < 0) {
        vshError(ctl, _("Unable to parse integer parameter minimum"));
        goto cleanup;
    }

10067
    if (vshCommandOptStringReq(ctl, cmd, "mountpoint", &mountPoint) < 0)
10068 10069 10070 10071 10072 10073 10074 10075 10076 10077
        goto cleanup;

    if (virDomainFSTrim(dom, mountPoint, minimum, flags) < 0) {
        vshError(ctl, _("Unable to invoke fstrim"));
        goto cleanup;
    }

    ret = true;

cleanup:
10078
    virDomainFree(dom);
10079 10080 10081
    return ret;
}

E
Eric Blake 已提交
10082
const vshCmdDef domManagementCmds[] = {
10083 10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098 10099 10100 10101 10102 10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113 10114 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124 10125 10126 10127 10128 10129 10130 10131 10132 10133 10134 10135 10136 10137 10138 10139 10140 10141 10142 10143 10144 10145 10146 10147 10148 10149 10150 10151 10152 10153 10154
    {.name = "attach-device",
     .handler = cmdAttachDevice,
     .opts = opts_attach_device,
     .info = info_attach_device,
     .flags = 0
    },
    {.name = "attach-disk",
     .handler = cmdAttachDisk,
     .opts = opts_attach_disk,
     .info = info_attach_disk,
     .flags = 0
    },
    {.name = "attach-interface",
     .handler = cmdAttachInterface,
     .opts = opts_attach_interface,
     .info = info_attach_interface,
     .flags = 0
    },
    {.name = "autostart",
     .handler = cmdAutostart,
     .opts = opts_autostart,
     .info = info_autostart,
     .flags = 0
    },
    {.name = "blkdeviotune",
     .handler = cmdBlkdeviotune,
     .opts = opts_blkdeviotune,
     .info = info_blkdeviotune,
     .flags = 0
    },
    {.name = "blkiotune",
     .handler = cmdBlkiotune,
     .opts = opts_blkiotune,
     .info = info_blkiotune,
     .flags = 0
    },
    {.name = "blockcommit",
     .handler = cmdBlockCommit,
     .opts = opts_block_commit,
     .info = info_block_commit,
     .flags = 0
    },
    {.name = "blockcopy",
     .handler = cmdBlockCopy,
     .opts = opts_block_copy,
     .info = info_block_copy,
     .flags = 0
    },
    {.name = "blockjob",
     .handler = cmdBlockJob,
     .opts = opts_block_job,
     .info = info_block_job,
     .flags = 0
    },
    {.name = "blockpull",
     .handler = cmdBlockPull,
     .opts = opts_block_pull,
     .info = info_block_pull,
     .flags = 0
    },
    {.name = "blockresize",
     .handler = cmdBlockResize,
     .opts = opts_block_resize,
     .info = info_block_resize,
     .flags = 0
    },
    {.name = "change-media",
     .handler = cmdChangeMedia,
     .opts = opts_change_media,
     .info = info_change_media,
     .flags = 0
    },
10155
#ifndef WIN32
10156 10157 10158 10159 10160 10161
    {.name = "console",
     .handler = cmdConsole,
     .opts = opts_console,
     .info = info_console,
     .flags = 0
    },
10162
#endif
10163 10164 10165 10166 10167 10168 10169 10170 10171 10172 10173 10174 10175 10176 10177 10178 10179 10180 10181 10182 10183 10184 10185 10186 10187 10188 10189 10190 10191 10192 10193 10194 10195 10196 10197 10198 10199 10200 10201 10202 10203 10204 10205 10206 10207 10208 10209 10210 10211 10212 10213 10214 10215 10216 10217 10218 10219 10220 10221 10222 10223 10224 10225 10226 10227 10228 10229 10230 10231 10232 10233 10234 10235 10236 10237 10238 10239 10240 10241 10242 10243 10244 10245 10246 10247 10248 10249 10250 10251 10252 10253 10254 10255 10256 10257 10258 10259 10260 10261 10262 10263 10264 10265 10266 10267 10268 10269 10270 10271 10272 10273 10274 10275 10276 10277 10278 10279 10280 10281 10282 10283 10284 10285 10286 10287 10288 10289 10290 10291 10292 10293 10294 10295 10296 10297 10298 10299 10300 10301 10302 10303 10304 10305 10306 10307 10308 10309 10310 10311 10312 10313 10314 10315 10316 10317 10318 10319 10320 10321 10322 10323 10324 10325 10326 10327 10328 10329 10330 10331 10332 10333 10334 10335 10336 10337 10338 10339 10340 10341 10342 10343 10344 10345 10346 10347 10348 10349 10350 10351 10352 10353 10354 10355 10356 10357 10358 10359 10360 10361 10362 10363 10364 10365 10366 10367 10368 10369 10370 10371 10372 10373 10374 10375 10376 10377 10378 10379 10380 10381 10382 10383 10384
    {.name = "cpu-baseline",
     .handler = cmdCPUBaseline,
     .opts = opts_cpu_baseline,
     .info = info_cpu_baseline,
     .flags = 0
    },
    {.name = "cpu-compare",
     .handler = cmdCPUCompare,
     .opts = opts_cpu_compare,
     .info = info_cpu_compare,
     .flags = 0
    },
    {.name = "cpu-stats",
     .handler = cmdCPUStats,
     .opts = opts_cpu_stats,
     .info = info_cpu_stats,
     .flags = 0
    },
    {.name = "create",
     .handler = cmdCreate,
     .opts = opts_create,
     .info = info_create,
     .flags = 0
    },
    {.name = "define",
     .handler = cmdDefine,
     .opts = opts_define,
     .info = info_define,
     .flags = 0
    },
    {.name = "desc",
     .handler = cmdDesc,
     .opts = opts_desc,
     .info = info_desc,
     .flags = 0
    },
    {.name = "destroy",
     .handler = cmdDestroy,
     .opts = opts_destroy,
     .info = info_destroy,
     .flags = 0
    },
    {.name = "detach-device",
     .handler = cmdDetachDevice,
     .opts = opts_detach_device,
     .info = info_detach_device,
     .flags = 0
    },
    {.name = "detach-disk",
     .handler = cmdDetachDisk,
     .opts = opts_detach_disk,
     .info = info_detach_disk,
     .flags = 0
    },
    {.name = "detach-interface",
     .handler = cmdDetachInterface,
     .opts = opts_detach_interface,
     .info = info_detach_interface,
     .flags = 0
    },
    {.name = "domdisplay",
     .handler = cmdDomDisplay,
     .opts = opts_domdisplay,
     .info = info_domdisplay,
     .flags = 0
    },
    {.name = "domfstrim",
     .handler = cmdDomFSTrim,
     .opts = opts_domfstrim,
     .info = info_domfstrim,
     .flags = 0
    },
    {.name = "domhostname",
     .handler = cmdDomHostname,
     .opts = opts_domhostname,
     .info = info_domhostname,
     .flags = 0
    },
    {.name = "domid",
     .handler = cmdDomid,
     .opts = opts_domid,
     .info = info_domid,
     .flags = 0
    },
    {.name = "domif-setlink",
     .handler = cmdDomIfSetLink,
     .opts = opts_domif_setlink,
     .info = info_domif_setlink,
     .flags = 0
    },
    {.name = "domiftune",
     .handler = cmdDomIftune,
     .opts = opts_domiftune,
     .info = info_domiftune,
     .flags = 0
    },
    {.name = "domjobabort",
     .handler = cmdDomjobabort,
     .opts = opts_domjobabort,
     .info = info_domjobabort,
     .flags = 0
    },
    {.name = "domjobinfo",
     .handler = cmdDomjobinfo,
     .opts = opts_domjobinfo,
     .info = info_domjobinfo,
     .flags = 0
    },
    {.name = "domname",
     .handler = cmdDomname,
     .opts = opts_domname,
     .info = info_domname,
     .flags = 0
    },
    {.name = "dompmsuspend",
     .handler = cmdDomPMSuspend,
     .opts = opts_dom_pm_suspend,
     .info = info_dom_pm_suspend,
     .flags = 0
    },
    {.name = "dompmwakeup",
     .handler = cmdDomPMWakeup,
     .opts = opts_dom_pm_wakeup,
     .info = info_dom_pm_wakeup,
     .flags = 0
    },
    {.name = "domuuid",
     .handler = cmdDomuuid,
     .opts = opts_domuuid,
     .info = info_domuuid,
     .flags = 0
    },
    {.name = "domxml-from-native",
     .handler = cmdDomXMLFromNative,
     .opts = opts_domxmlfromnative,
     .info = info_domxmlfromnative,
     .flags = 0
    },
    {.name = "domxml-to-native",
     .handler = cmdDomXMLToNative,
     .opts = opts_domxmltonative,
     .info = info_domxmltonative,
     .flags = 0
    },
    {.name = "dump",
     .handler = cmdDump,
     .opts = opts_dump,
     .info = info_dump,
     .flags = 0
    },
    {.name = "dumpxml",
     .handler = cmdDumpXML,
     .opts = opts_dumpxml,
     .info = info_dumpxml,
     .flags = 0
    },
    {.name = "edit",
     .handler = cmdEdit,
     .opts = opts_edit,
     .info = info_edit,
     .flags = 0
    },
    {.name = "inject-nmi",
     .handler = cmdInjectNMI,
     .opts = opts_inject_nmi,
     .info = info_inject_nmi,
     .flags = 0
    },
    {.name = "send-key",
     .handler = cmdSendKey,
     .opts = opts_send_key,
     .info = info_send_key,
     .flags = 0
    },
    {.name = "send-process-signal",
     .handler = cmdSendProcessSignal,
     .opts = opts_send_process_signal,
     .info = info_send_process_signal,
     .flags = 0
    },
    {.name = "lxc-enter-namespace",
     .handler = cmdLxcEnterNamespace,
     .opts = opts_lxc_enter_namespace,
     .info = info_lxc_enter_namespace,
     .flags = 0
    },
    {.name = "managedsave",
     .handler = cmdManagedSave,
     .opts = opts_managedsave,
     .info = info_managedsave,
     .flags = 0
    },
    {.name = "managedsave-remove",
     .handler = cmdManagedSaveRemove,
     .opts = opts_managedsaveremove,
     .info = info_managedsaveremove,
     .flags = 0
    },
    {.name = "maxvcpus",
     .handler = cmdMaxvcpus,
     .opts = opts_maxvcpus,
     .info = info_maxvcpus,
     .flags = 0
    },
    {.name = "memtune",
     .handler = cmdMemtune,
     .opts = opts_memtune,
     .info = info_memtune,
     .flags = 0
    },
    {.name = "migrate",
     .handler = cmdMigrate,
     .opts = opts_migrate,
     .info = info_migrate,
     .flags = 0
    },
    {.name = "migrate-setmaxdowntime",
     .handler = cmdMigrateSetMaxDowntime,
     .opts = opts_migrate_setmaxdowntime,
     .info = info_migrate_setmaxdowntime,
     .flags = 0
    },
10385 10386 10387 10388 10389 10390
    {.name = "migrate-compcache",
     .handler = cmdMigrateCompCache,
     .opts = opts_migrate_compcache,
     .info = info_migrate_compcache,
     .flags = 0
    },
10391 10392 10393 10394 10395 10396 10397 10398 10399 10400 10401 10402 10403 10404 10405 10406 10407 10408 10409 10410 10411 10412 10413 10414 10415 10416 10417 10418 10419 10420 10421 10422 10423 10424 10425 10426 10427 10428 10429 10430 10431 10432 10433 10434 10435 10436 10437 10438 10439 10440 10441 10442 10443 10444 10445 10446 10447 10448 10449 10450 10451 10452 10453 10454 10455 10456 10457 10458 10459 10460 10461 10462 10463 10464 10465 10466 10467 10468 10469 10470 10471 10472 10473 10474 10475 10476 10477 10478 10479 10480 10481 10482 10483 10484 10485 10486 10487 10488 10489 10490 10491 10492 10493 10494 10495 10496 10497 10498 10499 10500 10501 10502 10503 10504 10505 10506 10507 10508 10509 10510 10511 10512 10513 10514 10515 10516 10517 10518 10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544 10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559 10560 10561 10562 10563 10564 10565 10566 10567 10568 10569 10570 10571
    {.name = "migrate-setspeed",
     .handler = cmdMigrateSetMaxSpeed,
     .opts = opts_migrate_setspeed,
     .info = info_migrate_setspeed,
     .flags = 0
    },
    {.name = "migrate-getspeed",
     .handler = cmdMigrateGetMaxSpeed,
     .opts = opts_migrate_getspeed,
     .info = info_migrate_getspeed,
     .flags = 0
    },
    {.name = "numatune",
     .handler = cmdNumatune,
     .opts = opts_numatune,
     .info = info_numatune,
     .flags = 0
    },
    {.name = "qemu-attach",
     .handler = cmdQemuAttach,
     .opts = opts_qemu_attach,
     .info = info_qemu_attach,
     .flags = 0
    },
    {.name = "qemu-monitor-command",
     .handler = cmdQemuMonitorCommand,
     .opts = opts_qemu_monitor_command,
     .info = info_qemu_monitor_command,
     .flags = 0
    },
    {.name = "qemu-agent-command",
     .handler = cmdQemuAgentCommand,
     .opts = opts_qemu_agent_command,
     .info = info_qemu_agent_command,
     .flags = 0
    },
    {.name = "reboot",
     .handler = cmdReboot,
     .opts = opts_reboot,
     .info = info_reboot,
     .flags = 0
    },
    {.name = "reset",
     .handler = cmdReset,
     .opts = opts_reset,
     .info = info_reset,
     .flags = 0
    },
    {.name = "restore",
     .handler = cmdRestore,
     .opts = opts_restore,
     .info = info_restore,
     .flags = 0
    },
    {.name = "resume",
     .handler = cmdResume,
     .opts = opts_resume,
     .info = info_resume,
     .flags = 0
    },
    {.name = "save",
     .handler = cmdSave,
     .opts = opts_save,
     .info = info_save,
     .flags = 0
    },
    {.name = "save-image-define",
     .handler = cmdSaveImageDefine,
     .opts = opts_save_image_define,
     .info = info_save_image_define,
     .flags = 0
    },
    {.name = "save-image-dumpxml",
     .handler = cmdSaveImageDumpxml,
     .opts = opts_save_image_dumpxml,
     .info = info_save_image_dumpxml,
     .flags = 0
    },
    {.name = "save-image-edit",
     .handler = cmdSaveImageEdit,
     .opts = opts_save_image_edit,
     .info = info_save_image_edit,
     .flags = 0
    },
    {.name = "schedinfo",
     .handler = cmdSchedinfo,
     .opts = opts_schedinfo,
     .info = info_schedinfo,
     .flags = 0
    },
    {.name = "screenshot",
     .handler = cmdScreenshot,
     .opts = opts_screenshot,
     .info = info_screenshot,
     .flags = 0
    },
    {.name = "setmaxmem",
     .handler = cmdSetmaxmem,
     .opts = opts_setmaxmem,
     .info = info_setmaxmem,
     .flags = 0
    },
    {.name = "setmem",
     .handler = cmdSetmem,
     .opts = opts_setmem,
     .info = info_setmem,
     .flags = 0
    },
    {.name = "setvcpus",
     .handler = cmdSetvcpus,
     .opts = opts_setvcpus,
     .info = info_setvcpus,
     .flags = 0
    },
    {.name = "shutdown",
     .handler = cmdShutdown,
     .opts = opts_shutdown,
     .info = info_shutdown,
     .flags = 0
    },
    {.name = "start",
     .handler = cmdStart,
     .opts = opts_start,
     .info = info_start,
     .flags = 0
    },
    {.name = "suspend",
     .handler = cmdSuspend,
     .opts = opts_suspend,
     .info = info_suspend,
     .flags = 0
    },
    {.name = "ttyconsole",
     .handler = cmdTTYConsole,
     .opts = opts_ttyconsole,
     .info = info_ttyconsole,
     .flags = 0
    },
    {.name = "undefine",
     .handler = cmdUndefine,
     .opts = opts_undefine,
     .info = info_undefine,
     .flags = 0
    },
    {.name = "update-device",
     .handler = cmdUpdateDevice,
     .opts = opts_update_device,
     .info = info_update_device,
     .flags = 0
    },
    {.name = "vcpucount",
     .handler = cmdVcpucount,
     .opts = opts_vcpucount,
     .info = info_vcpucount,
     .flags = 0
    },
    {.name = "vcpuinfo",
     .handler = cmdVcpuinfo,
     .opts = opts_vcpuinfo,
     .info = info_vcpuinfo,
     .flags = 0
    },
    {.name = "vcpupin",
     .handler = cmdVcpuPin,
     .opts = opts_vcpupin,
     .info = info_vcpupin,
     .flags = 0
    },
    {.name = "emulatorpin",
     .handler = cmdEmulatorPin,
     .opts = opts_emulatorpin,
     .info = info_emulatorpin,
     .flags = 0
    },
    {.name = "vncdisplay",
     .handler = cmdVNCDisplay,
     .opts = opts_vncdisplay,
     .info = info_vncdisplay,
     .flags = 0
    },
    {.name = NULL}
10572
};