/* * test.c: A "mock" hypervisor for use by application unit tests * * Copyright (C) 2006-2008 Red Hat, Inc. * Copyright (C) 2006 Daniel P. Berrange * * 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 * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Daniel Berrange */ #include #ifdef WITH_TEST #include #include #include #include #include #include #include "socketcompat.h" #include "test.h" #include "buf.h" #include "util.h" #include "uuid.h" #include "capabilities.h" #include "memory.h" #include "network_conf.h" #include "domain_conf.h" #include "xml.h" #define MAX_CPUS 128 struct _testCell { unsigned long mem; int numCpus; int cpus[MAX_CPUS]; }; typedef struct _testCell testCell; typedef struct _testCell *testCellPtr; #define MAX_CELLS 128 struct _testConn { char path[PATH_MAX]; int nextDomID; virCapsPtr caps; virNodeInfo nodeInfo; virDomainObjPtr domains; virNetworkObjPtr networks; int numCells; testCell cells[MAX_CELLS]; }; typedef struct _testConn testConn; typedef struct _testConn *testConnPtr; #define TEST_MODEL "i686" #define TEST_MODEL_WORDSIZE 32 #define TEST_EMULATOR "/usr/bin/test-hv" static const virNodeInfo defaultNodeInfo = { TEST_MODEL, 1024*1024*3, /* 3 GB */ 16, 1400, 2, 2, 2, 2, }; #define GET_DOMAIN(dom, ret) \ testConnPtr privconn; \ virDomainObjPtr privdom; \ \ privconn = (testConnPtr)dom->conn->privateData; \ do { \ if ((privdom = virDomainFindByName(privconn->domains, \ (dom)->name)) == NULL) { \ testError((dom)->conn, (dom), NULL, VIR_ERR_INVALID_ARG, \ __FUNCTION__); \ return (ret); \ } \ } while (0) #define GET_NETWORK(net, ret) \ testConnPtr privconn; \ virNetworkObjPtr privnet; \ \ privconn = (testConnPtr)net->conn->privateData; \ do { \ if ((privnet = virNetworkFindByName(privconn->networks, \ (net)->name)) == NULL) { \ testError((net)->conn, NULL, (net), VIR_ERR_INVALID_ARG, \ __FUNCTION__); \ return (ret); \ } \ } while (0) #define GET_CONNECTION(conn) \ testConnPtr privconn; \ \ privconn = (testConnPtr)conn->privateData; static void testError(virConnectPtr con, virDomainPtr dom, virNetworkPtr net, virErrorNumber error, const char *info) { const char *errmsg; if (error == VIR_ERR_OK) return; errmsg = __virErrorMsg(error, info); __virRaiseError(con, dom, net, VIR_FROM_TEST, error, VIR_ERR_ERROR, errmsg, info, NULL, 0, 0, errmsg, info, 0); } static virCapsPtr testBuildCapabilities(virConnectPtr conn) { virCapsPtr caps; virCapsGuestPtr guest; const char *const guest_types[] = { "hvm", "xen" }; int i; GET_CONNECTION(conn); if ((caps = virCapabilitiesNew(TEST_MODEL, 0, 0)) == NULL) goto no_memory; if (virCapabilitiesAddHostFeature(caps, "pae") < 0) goto no_memory; if (virCapabilitiesAddHostFeature(caps ,"nonpae") < 0) goto no_memory; for (i = 0; i < privconn->numCells; i++) { if (virCapabilitiesAddHostNUMACell(caps, i, privconn->cells[i].numCpus, privconn->cells[i].cpus) < 0) goto no_memory; } for (i = 0; i < ARRAY_CARDINALITY(guest_types) ; i++) { if ((guest = virCapabilitiesAddGuest(caps, guest_types[i], TEST_MODEL, TEST_MODEL_WORDSIZE, TEST_EMULATOR, NULL, 0, NULL)) == NULL) goto no_memory; if (virCapabilitiesAddGuestDomain(guest, "test", NULL, NULL, 0, NULL) == NULL) goto no_memory; if (virCapabilitiesAddGuestFeature(guest, "pae", 1, 1) == NULL) goto no_memory; if (virCapabilitiesAddGuestFeature(guest ,"nonpae", 1, 1) == NULL) goto no_memory; } return caps; no_memory: testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, NULL); virCapabilitiesFree(caps); return NULL; } static const char *defaultDomainXML = "" " test" " 8388608" " 2097152" " 2" " " " hvm" " " ""; static const char *defaultNetworkXML = "" " default" " " " " " " " " " " " " " " ""; static int testOpenDefault(virConnectPtr conn) { int u; struct timeval tv; testConnPtr privconn; virDomainDefPtr domdef = NULL; virDomainObjPtr domobj = NULL; virNetworkDefPtr netdef = NULL; virNetworkObjPtr netobj = NULL; if (VIR_ALLOC(privconn) < 0) { testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, "testConn"); return VIR_DRV_OPEN_ERROR; } conn->privateData = privconn; if (gettimeofday(&tv, NULL) < 0) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("getting time of day")); goto error; } memmove(&privconn->nodeInfo, &defaultNodeInfo, sizeof(defaultNodeInfo)); // Numa setup privconn->numCells = 2; for (u = 0; u < 2; ++u) { privconn->cells[u].numCpus = 8; privconn->cells[u].mem = (u + 1) * 2048 * 1024; } for (u = 0 ; u < 16 ; u++) { privconn->cells[u % 2].cpus[(u / 2)] = u; } if (!(privconn->caps = testBuildCapabilities(conn))) goto error; privconn->nextDomID = 1; if (!(domdef = virDomainDefParseString(conn, privconn->caps, defaultDomainXML))) goto error; if (!(domobj = virDomainAssignDef(conn, &privconn->domains, domdef))) { virDomainDefFree(domdef); goto error; } domobj->def->id = privconn->nextDomID++; domobj->state = VIR_DOMAIN_RUNNING; domobj->persistent = 1; if (!(netdef = virNetworkDefParseString(conn, defaultNetworkXML))) goto error; if (!(netobj = virNetworkAssignDef(conn, &privconn->networks, netdef))) { virNetworkDefFree(netdef); goto error; } netobj->active = 1; netobj->persistent = 1; return VIR_DRV_OPEN_SUCCESS; error: virDomainObjFree(privconn->domains); virNetworkObjFree(privconn->networks); virCapabilitiesFree(privconn->caps); VIR_FREE(privconn); return VIR_DRV_OPEN_ERROR; } static char *testBuildFilename(const char *relativeTo, const char *filename) { char *offset; int baseLen; if (!filename || filename[0] == '\0') return (NULL); if (filename[0] == '/') return strdup(filename); offset = strrchr(relativeTo, '/'); if ((baseLen = (offset-relativeTo+1))) { char *absFile; if (VIR_ALLOC_N(absFile, baseLen + strlen(filename) + 1) < 0) return NULL; strncpy(absFile, relativeTo, baseLen); absFile[baseLen] = '\0'; strcat(absFile, filename); return absFile; } else { return strdup(filename); } } static int testOpenFromFile(virConnectPtr conn, const char *file) { int fd = -1, i, ret; long l; char *str; xmlDocPtr xml = NULL; xmlNodePtr root = NULL; xmlNodePtr *domains = NULL, *networks = NULL; xmlXPathContextPtr ctxt = NULL; virNodeInfoPtr nodeInfo; virNetworkObjPtr net; virDomainObjPtr dom; testConnPtr privconn; if (VIR_ALLOC(privconn) < 0) { testError(NULL, NULL, NULL, VIR_ERR_NO_MEMORY, "testConn"); return VIR_DRV_OPEN_ERROR; } conn->privateData = privconn; if (!(privconn->caps = testBuildCapabilities(conn))) goto error; if ((fd = open(file, O_RDONLY)) < 0) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("loading host definition file")); goto error; } if (!(xml = xmlReadFd(fd, file, NULL, XML_PARSE_NOENT | XML_PARSE_NONET | XML_PARSE_NOERROR | XML_PARSE_NOWARNING))) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("host")); goto error; } close(fd); fd = -1; root = xmlDocGetRootElement(xml); if ((root == NULL) || (!xmlStrEqual(root->name, BAD_CAST "node"))) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node")); goto error; } ctxt = xmlXPathNewContext(xml); if (ctxt == NULL) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("creating xpath context")); goto error; } privconn->nextDomID = 1; privconn->numCells = 0; strncpy(privconn->path, file, PATH_MAX-1); privconn->path[PATH_MAX-1] = '\0'; memmove(&privconn->nodeInfo, &defaultNodeInfo, sizeof(defaultNodeInfo)); nodeInfo = &privconn->nodeInfo; ret = virXPathLong("string(/node/cpu/nodes[1])", ctxt, &l); if (ret == 0) { nodeInfo->nodes = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node cpu numa nodes")); goto error; } ret = virXPathLong("string(/node/cpu/sockets[1])", ctxt, &l); if (ret == 0) { nodeInfo->sockets = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node cpu sockets")); goto error; } ret = virXPathLong("string(/node/cpu/cores[1])", ctxt, &l); if (ret == 0) { nodeInfo->cores = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node cpu cores")); goto error; } ret = virXPathLong("string(/node/cpu/threads[1])", ctxt, &l); if (ret == 0) { nodeInfo->threads = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node cpu threads")); goto error; } nodeInfo->cpus = nodeInfo->cores * nodeInfo->threads * nodeInfo->sockets * nodeInfo->nodes; ret = virXPathLong("string(/node/cpu/active[1])", ctxt, &l); if (ret == 0) { if (l < nodeInfo->cpus) { nodeInfo->cpus = l; } } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node active cpu")); goto error; } ret = virXPathLong("string(/node/cpu/mhz[1])", ctxt, &l); if (ret == 0) { nodeInfo->mhz = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node cpu mhz")); goto error; } str = virXPathString("string(/node/cpu/model[1])", ctxt); if (str != NULL) { strncpy(nodeInfo->model, str, sizeof(nodeInfo->model)-1); nodeInfo->model[sizeof(nodeInfo->model)-1] = '\0'; VIR_FREE(str); } ret = virXPathLong("string(/node/memory[1])", ctxt, &l); if (ret == 0) { nodeInfo->memory = l; } else if (ret == -2) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node memory")); goto error; } ret = virXPathNodeSet("/node/domain", ctxt, &domains); if (ret < 0) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node domain list")); goto error; } for (i = 0 ; i < ret ; i++) { virDomainDefPtr def; char *relFile = virXMLPropString(domains[i], "file"); if (relFile != NULL) { char *absFile = testBuildFilename(file, relFile); VIR_FREE(relFile); if (!absFile) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("resolving domain filename")); goto error; } def = virDomainDefParseFile(conn, privconn->caps, absFile); VIR_FREE(absFile); if (!def) goto error; } else { if ((def = virDomainDefParseNode(conn, privconn->caps, xml, domains[i])) == NULL) goto error; } if (!(dom = virDomainAssignDef(conn, &privconn->domains, def))) { virDomainDefFree(def); goto error; } dom->state = VIR_DOMAIN_RUNNING; dom->def->id = privconn->nextDomID++; dom->persistent = 1; } if (domains != NULL) VIR_FREE(domains); ret = virXPathNodeSet("/node/network", ctxt, &networks); if (ret < 0) { testError(NULL, NULL, NULL, VIR_ERR_XML_ERROR, _("node network list")); goto error; } for (i = 0 ; i < ret ; i++) { virNetworkDefPtr def; char *relFile = virXMLPropString(networks[i], "file"); if (relFile != NULL) { char *absFile = testBuildFilename(file, relFile); VIR_FREE(relFile); if (!absFile) { testError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("resolving network filename")); goto error; } def = virNetworkDefParseFile(conn, absFile); VIR_FREE(absFile); if (!def) goto error; } else { if ((def = virNetworkDefParseNode(conn, xml, networks[i])) == NULL) goto error; } if (!(net = virNetworkAssignDef(conn, &privconn->networks, def))) { virNetworkDefFree(def); goto error; } net->persistent = 1; } if (networks != NULL) VIR_FREE(networks); xmlXPathFreeContext(ctxt); xmlFreeDoc(xml); return (0); error: xmlXPathFreeContext(ctxt); xmlFreeDoc(xml); VIR_FREE(domains); VIR_FREE(networks); if (fd != -1) close(fd); dom = privconn->domains; while (dom) { virDomainObjPtr tmp = dom->next; virDomainObjFree(dom); dom = tmp; } net = privconn->networks; while (net) { virNetworkObjPtr tmp = net->next; virNetworkObjFree(net); net = tmp; } VIR_FREE(privconn); conn->privateData = NULL; return VIR_DRV_OPEN_ERROR; } static int testOpen(virConnectPtr conn, xmlURIPtr uri, virConnectAuthPtr auth ATTRIBUTE_UNUSED, int flags ATTRIBUTE_UNUSED) { int ret; if (!uri) return VIR_DRV_OPEN_DECLINED; if (!uri->scheme || STRNEQ(uri->scheme, "test")) return VIR_DRV_OPEN_DECLINED; /* Remote driver should handle these. */ if (uri->server) return VIR_DRV_OPEN_DECLINED; if (uri->server) return VIR_DRV_OPEN_DECLINED; /* From this point on, the connection is for us. */ if (!uri->path || uri->path[0] == '\0' || (uri->path[0] == '/' && uri->path[1] == '\0')) { testError (NULL, NULL, NULL, VIR_ERR_INVALID_ARG, _("testOpen: supply a path or use test:///default")); return VIR_DRV_OPEN_ERROR; } if (STREQ(uri->path, "/default")) ret = testOpenDefault(conn); else ret = testOpenFromFile(conn, uri->path); return (ret); } static int testClose(virConnectPtr conn) { virDomainObjPtr dom; virNetworkObjPtr net; GET_CONNECTION(conn); virCapabilitiesFree(privconn->caps); dom = privconn->domains; while (dom) { virDomainObjPtr tmp = dom->next; virDomainObjFree(dom); dom = tmp; } net = privconn->networks; while (net) { virNetworkObjPtr tmp = net->next; virNetworkObjFree(net); net = tmp; } VIR_FREE (privconn); conn->privateData = conn; return 0; } static int testGetVersion(virConnectPtr conn ATTRIBUTE_UNUSED, unsigned long *hvVer) { *hvVer = 2; return (0); } static char *testGetHostname (virConnectPtr conn) { int r; char hostname [HOST_NAME_MAX+1], *str; r = gethostname (hostname, HOST_NAME_MAX+1); if (r == -1) { testError (conn, NULL, NULL, VIR_ERR_SYSTEM_ERROR, strerror (errno)); return NULL; } str = strdup (hostname); if (str == NULL) { testError (conn, NULL, NULL, VIR_ERR_SYSTEM_ERROR, strerror (errno)); return NULL; } return str; } static char * testGetURI (virConnectPtr conn) { char *uri; GET_CONNECTION(conn); if (asprintf (&uri, "test://%s", privconn->path) == -1) { testError (conn, NULL, NULL, VIR_ERR_SYSTEM_ERROR, strerror (errno)); return NULL; } return uri; } static int testGetMaxVCPUs(virConnectPtr conn ATTRIBUTE_UNUSED, const char *type ATTRIBUTE_UNUSED) { return 32; } static int testNodeGetInfo(virConnectPtr conn, virNodeInfoPtr info) { GET_CONNECTION(conn); memcpy(info, &privconn->nodeInfo, sizeof(virNodeInfo)); return (0); } static char *testGetCapabilities (virConnectPtr conn) { char *xml; GET_CONNECTION(conn); if ((xml = virCapabilitiesFormatXML(privconn->caps)) == NULL) { testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, NULL); return NULL; } return xml; } static int testNumOfDomains(virConnectPtr conn) { int numActive = 0; virDomainObjPtr dom; GET_CONNECTION(conn); dom = privconn->domains; while (dom) { if (virDomainIsActive(dom)) numActive++; dom = dom->next; } return numActive; } static virDomainPtr testDomainCreateLinux(virConnectPtr conn, const char *xml, unsigned int flags ATTRIBUTE_UNUSED) { virDomainPtr ret; virDomainDefPtr def; virDomainObjPtr dom; GET_CONNECTION(conn); if ((def = virDomainDefParseString(conn, privconn->caps, xml)) == NULL) return NULL; if ((dom = virDomainAssignDef(conn, &privconn->domains, def)) == NULL) { virDomainDefFree(def); return NULL; } dom->state = VIR_DOMAIN_RUNNING; dom->def->id = privconn->nextDomID++; ret = virGetDomain(conn, def->name, def->uuid); if (!ret) return NULL; ret->id = def->id; return ret; } static virDomainPtr testLookupDomainByID(virConnectPtr conn, int id) { virDomainObjPtr dom = NULL; virDomainPtr ret; GET_CONNECTION(conn); if ((dom = virDomainFindByID(privconn->domains, id)) == NULL) { testError (conn, NULL, NULL, VIR_ERR_NO_DOMAIN, NULL); return NULL; } ret = virGetDomain(conn, dom->def->name, dom->def->uuid); if (!ret) return NULL; ret->id = dom->def->id; return ret; } static virDomainPtr testLookupDomainByUUID(virConnectPtr conn, const unsigned char *uuid) { virDomainPtr ret; virDomainObjPtr dom = NULL; GET_CONNECTION(conn); if ((dom = virDomainFindByUUID(privconn->domains, uuid)) == NULL) { testError (conn, NULL, NULL, VIR_ERR_NO_DOMAIN, NULL); return NULL; } ret = virGetDomain(conn, dom->def->name, dom->def->uuid); if (!ret) return NULL; ret->id = dom->def->id; return ret; } static virDomainPtr testLookupDomainByName(virConnectPtr conn, const char *name) { virDomainPtr ret; virDomainObjPtr dom = NULL; GET_CONNECTION(conn); if ((dom = virDomainFindByName(privconn->domains, name)) == NULL) { testError (conn, NULL, NULL, VIR_ERR_NO_DOMAIN, NULL); return NULL; } ret = virGetDomain(conn, dom->def->name, dom->def->uuid); if (!ret) return NULL; ret->id = dom->def->id; return ret; } static int testListDomains (virConnectPtr conn, int *ids, int maxids) { int n = 0; virDomainObjPtr dom; GET_CONNECTION(conn); dom = privconn->domains; while (dom && n < maxids) { if (virDomainIsActive(dom)) ids[n++] = dom->def->id; dom = dom->next; } return n; } static int testDestroyDomain (virDomainPtr domain) { GET_DOMAIN(domain, -1); privdom->state = VIR_DOMAIN_SHUTOFF; privdom->def->id = -1; domain->id = -1; if (!privdom->persistent) { virDomainRemoveInactive(&privconn->domains, privdom); } return (0); } static int testResumeDomain (virDomainPtr domain) { GET_DOMAIN(domain, -1); if (privdom->state != VIR_DOMAIN_PAUSED) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("domain not paused")); return -1; } privdom->state = VIR_DOMAIN_RUNNING; return (0); } static int testPauseDomain (virDomainPtr domain) { GET_DOMAIN(domain, -1); if (privdom->state == VIR_DOMAIN_SHUTOFF || privdom->state == VIR_DOMAIN_PAUSED) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("domain not running")); return -1; } privdom->state = VIR_DOMAIN_PAUSED; return (0); } static int testShutdownDomain (virDomainPtr domain) { GET_DOMAIN(domain, -1); if (privdom->state == VIR_DOMAIN_SHUTOFF) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, "domain not running"); return -1; } privdom->state = VIR_DOMAIN_SHUTOFF; domain->id = -1; privdom->def->id = -1; return (0); } /* Similar behaviour as shutdown */ static int testRebootDomain (virDomainPtr domain, unsigned int action ATTRIBUTE_UNUSED) { GET_DOMAIN(domain, -1); privdom->state = VIR_DOMAIN_SHUTDOWN; switch (privdom->def->onReboot) { case VIR_DOMAIN_LIFECYCLE_DESTROY: privdom->state = VIR_DOMAIN_SHUTOFF; domain->id = -1; privdom->def->id = -1; break; case VIR_DOMAIN_LIFECYCLE_RESTART: privdom->state = VIR_DOMAIN_RUNNING; break; case VIR_DOMAIN_LIFECYCLE_PRESERVE: privdom->state = VIR_DOMAIN_SHUTOFF; domain->id = -1; privdom->def->id = -1; break; case VIR_DOMAIN_LIFECYCLE_RESTART_RENAME: privdom->state = VIR_DOMAIN_RUNNING; break; default: privdom->state = VIR_DOMAIN_SHUTOFF; domain->id = -1; privdom->def->id = -1; break; } return (0); } static int testGetDomainInfo (virDomainPtr domain, virDomainInfoPtr info) { struct timeval tv; GET_DOMAIN(domain, -1); if (gettimeofday(&tv, NULL) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("getting time of day")); return (-1); } info->state = privdom->state; info->memory = privdom->def->memory; info->maxMem = privdom->def->maxmem; info->nrVirtCpu = privdom->def->vcpus; info->cpuTime = ((tv.tv_sec * 1000ll * 1000ll * 1000ll) + (tv.tv_usec * 1000ll)); return (0); } static char *testDomainDumpXML(virDomainPtr domain, int flags); #define TEST_SAVE_MAGIC "TestGuestMagic" static int testDomainSave(virDomainPtr domain, const char *path) { char *xml; int fd, len; GET_DOMAIN(domain, -1); xml = testDomainDumpXML(domain, 0); if (xml == NULL) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot allocate space for metadata")); return (-1); } if ((fd = open(path, O_CREAT|O_TRUNC|O_WRONLY, S_IRUSR|S_IWUSR)) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot save domain")); return (-1); } len = strlen(xml); if (safewrite(fd, TEST_SAVE_MAGIC, sizeof(TEST_SAVE_MAGIC)) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot write header")); close(fd); return (-1); } if (safewrite(fd, (char*)&len, sizeof(len)) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot write metadata length")); close(fd); return (-1); } if (safewrite(fd, xml, len) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot write metadata")); VIR_FREE(xml); close(fd); return (-1); } VIR_FREE(xml); if (close(fd) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot save domain data")); close(fd); return (-1); } privdom->state = VIR_DOMAIN_SHUTOFF; if (!privdom->persistent) { virDomainRemoveInactive(&privconn->domains, privdom); } return 0; } static int testDomainRestore(virConnectPtr conn, const char *path) { char *xml; char magic[15]; int fd, len; virDomainDefPtr def; virDomainObjPtr dom; GET_CONNECTION(conn); if ((fd = open(path, O_RDONLY)) < 0) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot read domain image")); return (-1); } if (read(fd, magic, sizeof(magic)) != sizeof(magic)) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("incomplete save header")); close(fd); return (-1); } if (memcmp(magic, TEST_SAVE_MAGIC, sizeof(magic))) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("mismatched header magic")); close(fd); return (-1); } if (read(fd, (char*)&len, sizeof(len)) != sizeof(len)) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("failed to read metadata length")); close(fd); return (-1); } if (len < 1 || len > 8192) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("length of metadata out of range")); close(fd); return (-1); } if (VIR_ALLOC_N(xml, len+1) < 0) { testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, "xml"); close(fd); return (-1); } if (read(fd, xml, len) != len) { testError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR, _("incomplete metdata")); close(fd); return (-1); } xml[len] = '\0'; close(fd); def = virDomainDefParseString(conn, privconn->caps, xml); VIR_FREE(xml); if (!def) return -1; if ((dom = virDomainAssignDef(conn, &privconn->domains, def)) == NULL) { virDomainDefFree(def); return -1; } dom->state = VIR_DOMAIN_RUNNING; dom->def->id = privconn->nextDomID++; return dom->def->id; } static int testDomainCoreDump(virDomainPtr domain, const char *to, int flags ATTRIBUTE_UNUSED) { int fd; GET_DOMAIN(domain, -1); if ((fd = open(to, O_CREAT|O_TRUNC|O_WRONLY, S_IRUSR|S_IWUSR)) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot save domain core")); return (-1); } if (safewrite(fd, TEST_SAVE_MAGIC, sizeof(TEST_SAVE_MAGIC)) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot write header")); close(fd); return (-1); } if (close(fd) < 0) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("cannot save domain data")); close(fd); return (-1); } privdom->state = VIR_DOMAIN_SHUTOFF; if (!privdom->persistent) { virDomainRemoveInactive(&privconn->domains, privdom); } return 0; } static char *testGetOSType(virDomainPtr dom) { char *ret = strdup("linux"); if (!ret) testError(dom->conn, dom, NULL, VIR_ERR_NO_MEMORY, NULL); return ret; } static unsigned long testGetMaxMemory(virDomainPtr domain) { GET_DOMAIN(domain, -1); return privdom->def->maxmem; } static int testSetMaxMemory(virDomainPtr domain, unsigned long memory) { GET_DOMAIN(domain, -1); /* XXX validate not over host memory wrt to other domains */ privdom->def->maxmem = memory; return (0); } static int testSetMemory(virDomainPtr domain, unsigned long memory) { GET_DOMAIN(domain, -1); if (memory > privdom->def->maxmem) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, __FUNCTION__); return (-1); } privdom->def->memory = memory; return (0); } static int testSetVcpus(virDomainPtr domain, unsigned int nrCpus) { GET_DOMAIN(domain, -1); /* We allow more cpus in guest than host */ if (nrCpus > 32) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, __FUNCTION__); return (-1); } privdom->def->vcpus = nrCpus; return (0); } static char *testDomainDumpXML(virDomainPtr domain, int flags) { virDomainDefPtr def; GET_DOMAIN(domain, NULL); def = (flags & VIR_DOMAIN_XML_INACTIVE) && privdom->newDef ? privdom->newDef : privdom->def; return virDomainDefFormat(domain->conn, def, flags); } static int testNumOfDefinedDomains(virConnectPtr conn) { int numInactive = 0; virDomainObjPtr dom; GET_CONNECTION(conn); dom = privconn->domains; while (dom) { if (!virDomainIsActive(dom)) numInactive++; dom = dom->next; } return numInactive; } static int testListDefinedDomains(virConnectPtr conn, char **const names, int maxnames) { int n = 0; virDomainObjPtr dom; GET_CONNECTION(conn); dom = privconn->domains; memset(names, 0, sizeof(*names)*maxnames); while (dom && n < maxnames) { if (!virDomainIsActive(dom) && !(names[n++] = strdup(dom->def->name))) goto no_memory; dom = dom->next; } return n; no_memory: testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, NULL); for (n = 0 ; n < maxnames ; n++) VIR_FREE(names[n]); return -1; } static virDomainPtr testDomainDefineXML(virConnectPtr conn, const char *xml) { virDomainPtr ret; virDomainDefPtr def; virDomainObjPtr dom; GET_CONNECTION(conn); if ((def = virDomainDefParseString(conn, privconn->caps, xml)) == NULL) return NULL; if ((dom = virDomainAssignDef(conn, &privconn->domains, def)) == NULL) { virDomainDefFree(def); return NULL; } dom->persistent = 1; dom->def->id = -1; ret = virGetDomain(conn, def->name, def->uuid); if (!ret) return NULL; ret->id = -1; return ret; } static int testNodeGetCellsFreeMemory(virConnectPtr conn, unsigned long long *freemems, int startCell, int maxCells) { int i, j; GET_CONNECTION(conn); if (startCell > privconn->numCells) { testError(conn, NULL, NULL, VIR_ERR_INVALID_ARG, _("Range exceeds available cells")); return -1; } for (i = startCell, j = 0; (i < privconn->numCells && j < maxCells) ; ++i, ++j) { freemems[j] = privconn->cells[i].mem; } return j; } static int testDomainCreate(virDomainPtr domain) { GET_DOMAIN(domain, -1); if (privdom->state != VIR_DOMAIN_SHUTOFF) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("Domain is already running")); return (-1); } domain->id = privdom->def->id = privconn->nextDomID++; privdom->state = VIR_DOMAIN_RUNNING; return (0); } static int testDomainUndefine(virDomainPtr domain) { GET_DOMAIN(domain, -1); if (privdom->state != VIR_DOMAIN_SHUTOFF) { testError(domain->conn, domain, NULL, VIR_ERR_INTERNAL_ERROR, _("Domain is still running")); return (-1); } privdom->state = VIR_DOMAIN_SHUTOFF; virDomainRemoveInactive(&privconn->domains, privdom); return (0); } static int testDomainGetAutostart(virDomainPtr domain, int *autostart) { GET_DOMAIN(domain, -1); *autostart = privdom->autostart; return (0); } static int testDomainSetAutostart(virDomainPtr domain, int autostart) { GET_DOMAIN(domain, -1); privdom->autostart = autostart ? 1 : 0; return (0); } static char *testDomainGetSchedulerType(virDomainPtr domain, int *nparams) { char *type; *nparams = 1; type = strdup("fair"); if (!type) { testError(domain->conn, domain, NULL, VIR_ERR_NO_MEMORY, "schedular"); return (NULL); } return type; } static int testDomainGetSchedulerParams(virDomainPtr domain, virSchedParameterPtr params, int *nparams) { GET_DOMAIN(domain, -1); if (*nparams != 1) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, "nparams"); return (-1); } strcpy(params[0].field, "weight"); params[0].type = VIR_DOMAIN_SCHED_FIELD_UINT; /* XXX */ /*params[0].value.ui = privdom->weight;*/ params[0].value.ui = 50; return 0; } static int testDomainSetSchedulerParams(virDomainPtr domain, virSchedParameterPtr params, int nparams) { GET_DOMAIN(domain, -1); if (nparams != 1) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, "nparams"); return (-1); } if (STRNEQ(params[0].field, "weight")) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, "field"); return (-1); } if (params[0].type != VIR_DOMAIN_SCHED_FIELD_UINT) { testError(domain->conn, domain, NULL, VIR_ERR_INVALID_ARG, "type"); return (-1); } /* XXX */ /*privdom->weight = params[0].value.ui;*/ return 0; } static virDrvOpenStatus testOpenNetwork(virConnectPtr conn, xmlURIPtr uri ATTRIBUTE_UNUSED, virConnectAuthPtr auth ATTRIBUTE_UNUSED, int flags ATTRIBUTE_UNUSED) { if (STRNEQ(conn->driver->name, "Test")) return VIR_DRV_OPEN_DECLINED; conn->networkPrivateData = conn->privateData; return VIR_DRV_OPEN_SUCCESS; } static int testCloseNetwork(virConnectPtr conn) { conn->networkPrivateData = NULL; return 0; } static virNetworkPtr testLookupNetworkByUUID(virConnectPtr conn, const unsigned char *uuid) { virNetworkObjPtr net = NULL; GET_CONNECTION(conn); if ((net = virNetworkFindByUUID(privconn->networks, uuid)) == NULL) { testError (conn, NULL, NULL, VIR_ERR_NO_NETWORK, NULL); return NULL; } return virGetNetwork(conn, net->def->name, net->def->uuid); } static virNetworkPtr testLookupNetworkByName(virConnectPtr conn, const char *name) { virNetworkObjPtr net = NULL; GET_CONNECTION(conn); if ((net = virNetworkFindByName(privconn->networks, name)) == NULL) { testError (conn, NULL, NULL, VIR_ERR_NO_NETWORK, NULL); return NULL; } return virGetNetwork(conn, net->def->name, net->def->uuid); } static int testNumNetworks(virConnectPtr conn) { int numActive = 0; virNetworkObjPtr net; GET_CONNECTION(conn); net = privconn->networks; while (net) { if (virNetworkIsActive(net)) numActive++; net = net->next; } return numActive; } static int testListNetworks(virConnectPtr conn, char **const names, int nnames) { int n = 0; virNetworkObjPtr net; GET_CONNECTION(conn); net = privconn->networks; memset(names, 0, sizeof(*names)*nnames); while (net && n < nnames) { if (virNetworkIsActive(net) && !(names[n++] = strdup(net->def->name))) goto no_memory; net = net->next; } return n; no_memory: testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, NULL); for (n = 0 ; n < nnames ; n++) VIR_FREE(names[n]); return (-1); } static int testNumDefinedNetworks(virConnectPtr conn) { int numInactive = 0; virNetworkObjPtr net; GET_CONNECTION(conn); net = privconn->networks; while (net) { if (!virNetworkIsActive(net)) numInactive++; net = net->next; } return numInactive; } static int testListDefinedNetworks(virConnectPtr conn, char **const names, int nnames) { int n = 0; virNetworkObjPtr net; GET_CONNECTION(conn); net = privconn->networks; memset(names, 0, sizeof(*names)*nnames); while (net && n < nnames) { if (!virNetworkIsActive(net) && !(names[n++] = strdup(net->def->name))) goto no_memory; net = net->next; } return n; no_memory: testError(conn, NULL, NULL, VIR_ERR_NO_MEMORY, NULL); for (n = 0 ; n < nnames ; n++) VIR_FREE(names[n]); return (-1); } static virNetworkPtr testNetworkCreate(virConnectPtr conn, const char *xml) { virNetworkDefPtr def; virNetworkObjPtr net; GET_CONNECTION(conn); if ((def = virNetworkDefParseString(conn, xml)) == NULL) return NULL; if ((net = virNetworkAssignDef(conn, &privconn->networks, def)) == NULL) { virNetworkDefFree(def); return NULL; } net->active = 1; return virGetNetwork(conn, def->name, def->uuid); } static virNetworkPtr testNetworkDefine(virConnectPtr conn, const char *xml) { virNetworkDefPtr def; virNetworkObjPtr net; GET_CONNECTION(conn); if ((def = virNetworkDefParseString(conn, xml)) == NULL) return NULL; if ((net = virNetworkAssignDef(conn, &privconn->networks, def)) == NULL) { virNetworkDefFree(def); return NULL; } net->persistent = 1; return virGetNetwork(conn, def->name, def->uuid); } static int testNetworkUndefine(virNetworkPtr network) { GET_NETWORK(network, -1); if (virNetworkIsActive(privnet)) { testError(network->conn, NULL, network, VIR_ERR_INTERNAL_ERROR, _("Network is still running")); return (-1); } virNetworkRemoveInactive(&privconn->networks, privnet); return (0); } static int testNetworkStart(virNetworkPtr network) { GET_NETWORK(network, -1); if (virNetworkIsActive(privnet)) { testError(network->conn, NULL, network, VIR_ERR_INTERNAL_ERROR, _("Network is already running")); return (-1); } privnet->active = 1; return (0); } static int testNetworkDestroy(virNetworkPtr network) { GET_NETWORK(network, -1); privnet->active = 0; if (!privnet->persistent) { virNetworkRemoveInactive(&privconn->networks, privnet); } return (0); } static char *testNetworkDumpXML(virNetworkPtr network, int flags ATTRIBUTE_UNUSED) { GET_NETWORK(network, NULL); return virNetworkDefFormat(network->conn, privnet->def); } static char *testNetworkGetBridgeName(virNetworkPtr network) { char *bridge = NULL; GET_NETWORK(network, NULL); if (privnet->def->bridge && !(bridge = strdup(privnet->def->bridge))) { testError(network->conn, NULL, network, VIR_ERR_NO_MEMORY, "network"); return NULL; } return bridge; } static int testNetworkGetAutostart(virNetworkPtr network, int *autostart) { GET_NETWORK(network, -1); *autostart = privnet->autostart; return (0); } static int testNetworkSetAutostart(virNetworkPtr network, int autostart) { GET_NETWORK(network, -1); privnet->autostart = autostart ? 1 : 0; return (0); } static virDrvOpenStatus testStorageOpen(virConnectPtr conn, xmlURIPtr uri ATTRIBUTE_UNUSED, virConnectAuthPtr auth ATTRIBUTE_UNUSED, int flags ATTRIBUTE_UNUSED) { if (STRNEQ(conn->driver->name, "Test")) return VIR_DRV_OPEN_DECLINED; conn->storagePrivateData = conn->privateData; return VIR_DRV_OPEN_SUCCESS; } static int testStorageClose(virConnectPtr conn) { conn->storagePrivateData = NULL; return 0; } static virDriver testDriver = { VIR_DRV_TEST, "Test", LIBVIR_VERSION_NUMBER, NULL, /* probe */ testOpen, /* open */ testClose, /* close */ NULL, /* supports_feature */ NULL, /* type */ testGetVersion, /* version */ testGetHostname, /* hostname */ testGetURI, /* URI */ testGetMaxVCPUs, /* getMaxVcpus */ testNodeGetInfo, /* nodeGetInfo */ testGetCapabilities, /* getCapabilities */ testListDomains, /* listDomains */ testNumOfDomains, /* numOfDomains */ testDomainCreateLinux, /* domainCreateLinux */ testLookupDomainByID, /* domainLookupByID */ testLookupDomainByUUID, /* domainLookupByUUID */ testLookupDomainByName, /* domainLookupByName */ testPauseDomain, /* domainSuspend */ testResumeDomain, /* domainResume */ testShutdownDomain, /* domainShutdown */ testRebootDomain, /* domainReboot */ testDestroyDomain, /* domainDestroy */ testGetOSType, /* domainGetOSType */ testGetMaxMemory, /* domainGetMaxMemory */ testSetMaxMemory, /* domainSetMaxMemory */ testSetMemory, /* domainSetMemory */ testGetDomainInfo, /* domainGetInfo */ testDomainSave, /* domainSave */ testDomainRestore, /* domainRestore */ testDomainCoreDump, /* domainCoreDump */ testSetVcpus, /* domainSetVcpus */ NULL, /* domainPinVcpu */ NULL, /* domainGetVcpus */ NULL, /* domainGetMaxVcpus */ testDomainDumpXML, /* domainDumpXML */ testListDefinedDomains, /* listDefinedDomains */ testNumOfDefinedDomains, /* numOfDefinedDomains */ testDomainCreate, /* domainCreate */ testDomainDefineXML, /* domainDefineXML */ testDomainUndefine, /* domainUndefine */ NULL, /* domainAttachDevice */ NULL, /* domainDetachDevice */ testDomainGetAutostart, /* domainGetAutostart */ testDomainSetAutostart, /* domainSetAutostart */ testDomainGetSchedulerType, /* domainGetSchedulerType */ testDomainGetSchedulerParams, /* domainGetSchedulerParameters */ testDomainSetSchedulerParams, /* domainSetSchedulerParameters */ NULL, /* domainMigratePrepare */ NULL, /* domainMigratePerform */ NULL, /* domainMigrateFinish */ NULL, /* domainBlockStats */ NULL, /* domainInterfaceStats */ NULL, /* domainBlockPeek */ NULL, /* domainMemoryPeek */ testNodeGetCellsFreeMemory, /* nodeGetCellsFreeMemory */ NULL, /* getFreeMemory */ }; static virNetworkDriver testNetworkDriver = { "Test", testOpenNetwork, /* open */ testCloseNetwork, /* close */ testNumNetworks, /* numOfNetworks */ testListNetworks, /* listNetworks */ testNumDefinedNetworks, /* numOfDefinedNetworks */ testListDefinedNetworks, /* listDefinedNetworks */ testLookupNetworkByUUID, /* networkLookupByUUID */ testLookupNetworkByName, /* networkLookupByName */ testNetworkCreate, /* networkCreateXML */ testNetworkDefine, /* networkDefineXML */ testNetworkUndefine, /* networkUndefine */ testNetworkStart, /* networkCreate */ testNetworkDestroy, /* networkDestroy */ testNetworkDumpXML, /* networkDumpXML */ testNetworkGetBridgeName, /* networkGetBridgeName */ testNetworkGetAutostart, /* networkGetAutostart */ testNetworkSetAutostart, /* networkSetAutostart */ }; static virStorageDriver testStorageDriver = { .name = "Test", .open = testStorageOpen, .close = testStorageClose, }; /** * testRegister: * * Registers the test driver */ int testRegister(void) { if (virRegisterDriver(&testDriver) < 0) return -1; if (virRegisterNetworkDriver(&testNetworkDriver) < 0) return -1; if (virRegisterStorageDriver(&testStorageDriver) < 0) return -1; return 0; } #endif /* WITH_TEST */