提交 df740caf 编写于 作者: D Daniel P. Berrange

conf: add secret event handling

Add helper APIs / objects for managing secret events
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
上级 34fd3caa
......@@ -354,6 +354,9 @@ STORAGE_EVENT_SOURCES = \
NODE_DEVICE_EVENT_SOURCES = \
conf/node_device_event.c conf/node_device_event.h
SECRET_EVENT_SOURCES = \
conf/secret_event.c conf/secret_event.h
# Network driver generic impl APIs
NETWORK_CONF_SOURCES = \
conf/network_conf.c conf/network_conf.h \
......@@ -406,6 +409,7 @@ CONF_SOURCES = \
$(NETWORK_EVENT_SOURCES) \
$(STORAGE_EVENT_SOURCES) \
$(NODE_DEVICE_EVENT_SOURCES) \
$(SECRET_EVENT_SOURCES) \
$(NETWORK_CONF_SOURCES) \
$(NWFILTER_CONF_SOURCES) \
$(NODE_DEVICE_CONF_SOURCES) \
......@@ -2390,6 +2394,7 @@ libvirt_setuid_rpc_client_la_SOURCES = \
conf/object_event.c \
conf/storage_event.c \
conf/node_device_event.c \
conf/secret_event.c \
rpc/virnetsocket.c \
rpc/virnetsocket.h \
rpc/virnetmessage.h \
......
/*
* secret_event.c: node device event queue processing helpers
*
* Copyright (C) 2010-2014 Red Hat, Inc.
* Copyright (C) 2008 VirtualIron
* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
*
* 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, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "secret_event.h"
#include "object_event.h"
#include "object_event_private.h"
#include "datatypes.h"
#include "virlog.h"
VIR_LOG_INIT("conf.secret_event");
struct _virSecretEvent {
virObjectEvent parent;
/* Unused attribute to allow for subclass creation */
bool dummy;
};
typedef struct _virSecretEvent virSecretEvent;
typedef virSecretEvent *virSecretEventPtr;
struct _virSecretEventLifecycle {
virSecretEvent parent;
int type;
int detail;
};
typedef struct _virSecretEventLifecycle virSecretEventLifecycle;
typedef virSecretEventLifecycle *virSecretEventLifecyclePtr;
static virClassPtr virSecretEventClass;
static virClassPtr virSecretEventLifecycleClass;
static void virSecretEventDispose(void *obj);
static void virSecretEventLifecycleDispose(void *obj);
static int
virSecretEventsOnceInit(void)
{
if (!(virSecretEventClass =
virClassNew(virClassForObjectEvent(),
"virSecretEvent",
sizeof(virSecretEvent),
virSecretEventDispose)))
return -1;
if (!(virSecretEventLifecycleClass =
virClassNew(virSecretEventClass,
"virSecretEventLifecycle",
sizeof(virSecretEventLifecycle),
virSecretEventLifecycleDispose)))
return -1;
return 0;
}
VIR_ONCE_GLOBAL_INIT(virSecretEvents)
static void
virSecretEventDispose(void *obj)
{
virSecretEventPtr event = obj;
VIR_DEBUG("obj=%p", event);
}
static void
virSecretEventLifecycleDispose(void *obj)
{
virSecretEventLifecyclePtr event = obj;
VIR_DEBUG("obj=%p", event);
}
static void
virSecretEventDispatchDefaultFunc(virConnectPtr conn,
virObjectEventPtr event,
virConnectObjectEventGenericCallback cb,
void *cbopaque)
{
virSecretPtr secret = virGetSecret(conn,
event->meta.uuid,
event->meta.id,
event->meta.name);
if (!secret)
return;
switch ((virSecretEventID)event->eventID) {
case VIR_SECRET_EVENT_ID_LIFECYCLE:
{
virSecretEventLifecyclePtr secretLifecycleEvent;
secretLifecycleEvent = (virSecretEventLifecyclePtr)event;
((virConnectSecretEventLifecycleCallback)cb)(conn, secret,
secretLifecycleEvent->type,
secretLifecycleEvent->detail,
cbopaque);
goto cleanup;
}
case VIR_SECRET_EVENT_ID_LAST:
break;
}
VIR_WARN("Unexpected event ID %d", event->eventID);
cleanup:
virObjectUnref(secret);
}
/**
* virSecretEventStateRegisterID:
* @conn: connection to associate with callback
* @state: object event state
* @secret: secret to filter on or NULL for all node secrets
* @eventID: ID of the event type to register for
* @cb: function to invoke when event occurs
* @opaque: data blob to pass to @callback
* @freecb: callback to free @opaque
* @callbackID: filled with callback ID
*
* Register the function @cb with connection @conn, from @state, for
* events of type @eventID, and return the registration handle in
* @callbackID.
*
* Returns: the number of callbacks now registered, or -1 on error
*/
int
virSecretEventStateRegisterID(virConnectPtr conn,
virObjectEventStatePtr state,
virSecretPtr secret,
int eventID,
virConnectSecretEventGenericCallback cb,
void *opaque,
virFreeCallback freecb,
int *callbackID)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
if (virSecretEventsInitialize() < 0)
return -1;
if (secret)
virUUIDFormat(secret->uuid, uuidstr);
return virObjectEventStateRegisterID(conn, state, secret ? uuidstr : NULL,
NULL, NULL,
virSecretEventClass, eventID,
VIR_OBJECT_EVENT_CALLBACK(cb),
opaque, freecb,
false, callbackID, false);
}
/**
* virSecretEventStateRegisterClient:
* @conn: connection to associate with callback
* @state: object event state
* @secret: secret to filter on or NULL for all node secrets
* @eventID: ID of the event type to register for
* @cb: function to invoke when event occurs
* @opaque: data blob to pass to @callback
* @freecb: callback to free @opaque
* @callbackID: filled with callback ID
*
* Register the function @cb with connection @conn, from @state, for
* events of type @eventID, and return the registration handle in
* @callbackID. This version is intended for use on the client side
* of RPC.
*
* Returns: the number of callbacks now registered, or -1 on error
*/
int
virSecretEventStateRegisterClient(virConnectPtr conn,
virObjectEventStatePtr state,
virSecretPtr secret,
int eventID,
virConnectSecretEventGenericCallback cb,
void *opaque,
virFreeCallback freecb,
int *callbackID)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
if (virSecretEventsInitialize() < 0)
return -1;
if (secret)
virUUIDFormat(secret->uuid, uuidstr);
return virObjectEventStateRegisterID(conn, state, secret ? uuidstr : NULL,
NULL, NULL,
virSecretEventClass, eventID,
VIR_OBJECT_EVENT_CALLBACK(cb),
opaque, freecb,
false, callbackID, true);
}
/**
* virSecretEventLifecycleNew:
* @uuid: UUID of the secret object the event describes
* @usage_type: type of usage for the secret
* @usage_id: usage specific identifier for the secret
* @type: type of lifecycle event
* @detail: more details about @type
*
* Create a new secret lifecycle event.
*/
virObjectEventPtr
virSecretEventLifecycleNew(const unsigned char *uuid,
int usage_type,
const char *usage_id,
int type,
int detail)
{
virSecretEventLifecyclePtr event;
char uuidstr[VIR_UUID_STRING_BUFLEN];
if (virSecretEventsInitialize() < 0)
return NULL;
virUUIDFormat(uuid, uuidstr);
VIR_DEBUG("Event %s %d %s %d %d", uuidstr, usage_type, usage_id, type, detail);
if (!(event = virObjectEventNew(virSecretEventLifecycleClass,
virSecretEventDispatchDefaultFunc,
VIR_SECRET_EVENT_ID_LIFECYCLE,
usage_type, usage_id, uuid, uuidstr)))
return NULL;
event->type = type;
event->detail = detail;
return (virObjectEventPtr)event;
}
/*
* secret_event.h: secret event queue processing helpers
*
* Copyright (C) 2010-2014 Red Hat, Inc.
* Copyright (C) 2008 VirtualIron
* Copyright (C) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
*
* 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, see
* <http://www.gnu.org/licenses/>.
*/
#include "internal.h"
#include "object_event.h"
#include "object_event_private.h"
#ifndef __SECRET_EVENT_H__
# define __SECRET_EVENT_H__
int
virSecretEventStateRegisterID(virConnectPtr conn,
virObjectEventStatePtr state,
virSecretPtr secret,
int eventID,
virConnectSecretEventGenericCallback cb,
void *opaque,
virFreeCallback freecb,
int *callbackID)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
ATTRIBUTE_NONNULL(8);
int
virSecretEventStateRegisterClient(virConnectPtr conn,
virObjectEventStatePtr state,
virSecretPtr secret,
int eventID,
virConnectSecretEventGenericCallback cb,
void *opaque,
virFreeCallback freecb,
int *callbackID)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5)
ATTRIBUTE_NONNULL(8);
virObjectEventPtr
virSecretEventLifecycleNew(const unsigned char *uuid,
int usage_type,
const char *usage_id,
int type,
int detail);
#endif
......@@ -843,6 +843,11 @@ virSecretUsageTypeFromString;
virSecretUsageTypeToString;
# conf/secret_event.h
virSecretEventLifecycleNew;
virSecretEventStateRegisterID;
# conf/snapshot_conf.h
virDomainListSnapshots;
virDomainSnapshotAlignDisks;
......
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