libvirt/src/datatypes.c
Marc Hartmayer fd6e3f48ed refactoring: Use the return value of virObjectRef directly
Use the return value of virObjectRef directly. This way, it's easier
for another reader to identify the reason why the additional reference
is required.

Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
2017-04-10 14:49:20 +02:00

1060 lines
26 KiB
C

/*
* datatypes.c: management of structs for public data types
*
* Copyright (C) 2006-2015 Red Hat, Inc.
*
* 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 <unistd.h>
#include "datatypes.h"
#include "virerror.h"
#include "virlog.h"
#include "viralloc.h"
#include "viruuid.h"
#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_NONE
VIR_LOG_INIT("datatypes");
virClassPtr virConnectClass;
virClassPtr virConnectCloseCallbackDataClass;
virClassPtr virDomainClass;
virClassPtr virDomainSnapshotClass;
virClassPtr virInterfaceClass;
virClassPtr virNetworkClass;
virClassPtr virNodeDeviceClass;
virClassPtr virNWFilterClass;
virClassPtr virSecretClass;
virClassPtr virStreamClass;
virClassPtr virStorageVolClass;
virClassPtr virStoragePoolClass;
static void virConnectDispose(void *obj);
static void virConnectCloseCallbackDataDispose(void *obj);
static void virDomainDispose(void *obj);
static void virDomainSnapshotDispose(void *obj);
static void virInterfaceDispose(void *obj);
static void virNetworkDispose(void *obj);
static void virNodeDeviceDispose(void *obj);
static void virNWFilterDispose(void *obj);
static void virSecretDispose(void *obj);
static void virStreamDispose(void *obj);
static void virStorageVolDispose(void *obj);
static void virStoragePoolDispose(void *obj);
virClassPtr virAdmConnectClass;
virClassPtr virAdmConnectCloseCallbackDataClass;
static void virAdmConnectDispose(void *obj);
static void virAdmConnectCloseCallbackDataDispose(void *obj);
virClassPtr virAdmServerClass;
virClassPtr virAdmClientClass;
static void virAdmServerDispose(void *obj);
static void virAdmClientDispose(void *obj);
static int
virDataTypesOnceInit(void)
{
#define DECLARE_CLASS_COMMON(basename, parent) \
if (!(basename ## Class = virClassNew(parent, \
#basename, \
sizeof(basename), \
basename ## Dispose))) \
return -1;
#define DECLARE_CLASS(basename) \
DECLARE_CLASS_COMMON(basename, virClassForObject())
#define DECLARE_CLASS_LOCKABLE(basename) \
DECLARE_CLASS_COMMON(basename, virClassForObjectLockable())
DECLARE_CLASS_LOCKABLE(virConnect);
DECLARE_CLASS_LOCKABLE(virConnectCloseCallbackData);
DECLARE_CLASS(virDomain);
DECLARE_CLASS(virDomainSnapshot);
DECLARE_CLASS(virInterface);
DECLARE_CLASS(virNetwork);
DECLARE_CLASS(virNodeDevice);
DECLARE_CLASS(virNWFilter);
DECLARE_CLASS(virSecret);
DECLARE_CLASS(virStream);
DECLARE_CLASS(virStorageVol);
DECLARE_CLASS(virStoragePool);
DECLARE_CLASS_LOCKABLE(virAdmConnect);
DECLARE_CLASS_LOCKABLE(virAdmConnectCloseCallbackData);
DECLARE_CLASS(virAdmServer);
DECLARE_CLASS(virAdmClient);
#undef DECLARE_CLASS_COMMON
#undef DECLARE_CLASS_LOCKABLE
#undef DECLARE_CLASS
return 0;
}
VIR_ONCE_GLOBAL_INIT(virDataTypes)
/**
* virGetConnect:
*
* Allocates a new hypervisor connection object.
*
* Returns a pointer to the connection object, or NULL on error.
*/
virConnectPtr
virGetConnect(void)
{
if (virDataTypesInitialize() < 0)
return NULL;
return virObjectLockableNew(virConnectClass);
}
/**
* virConnectDispose:
* @obj: the hypervisor connection to release
*
* Unconditionally release all memory associated with a connection.
* The connection object must not be used once this method returns.
*/
static void
virConnectDispose(void *obj)
{
virConnectPtr conn = obj;
if (conn->driver)
conn->driver->connectClose(conn);
virResetError(&conn->err);
virURIFree(conn->uri);
}
static void
virConnectCloseCallbackDataReset(virConnectCloseCallbackDataPtr closeData)
{
if (closeData->freeCallback)
closeData->freeCallback(closeData->opaque);
closeData->freeCallback = NULL;
closeData->opaque = NULL;
virObjectUnref(closeData->conn);
closeData->conn = NULL;
}
/**
* virConnectCloseCallbackDataDispose:
* @obj: the close callback data to release
*
* Release resources bound to the connection close callback.
*/
static void
virConnectCloseCallbackDataDispose(void *obj)
{
virConnectCloseCallbackDataReset(obj);
}
virConnectCloseCallbackDataPtr
virNewConnectCloseCallbackData(void)
{
if (virDataTypesInitialize() < 0)
return NULL;
return virObjectLockableNew(virConnectCloseCallbackDataClass);
}
void virConnectCloseCallbackDataRegister(virConnectCloseCallbackDataPtr closeData,
virConnectPtr conn,
virConnectCloseFunc cb,
void *opaque,
virFreeCallback freecb)
{
virObjectLock(closeData);
if (closeData->callback != NULL) {
VIR_WARN("Attempt to register callback on armed"
" close callback object %p", closeData);
goto cleanup;
return;
}
closeData->conn = virObjectRef(conn);
closeData->callback = cb;
closeData->opaque = opaque;
closeData->freeCallback = freecb;
cleanup:
virObjectUnlock(closeData);
}
void virConnectCloseCallbackDataUnregister(virConnectCloseCallbackDataPtr closeData,
virConnectCloseFunc cb)
{
virObjectLock(closeData);
if (closeData->callback != cb) {
VIR_WARN("Attempt to unregister different callback on "
" close callback object %p", closeData);
goto cleanup;
}
virConnectCloseCallbackDataReset(closeData);
closeData->callback = NULL;
cleanup:
virObjectUnlock(closeData);
}
void virConnectCloseCallbackDataCall(virConnectCloseCallbackDataPtr closeData,
int reason)
{
virObjectLock(closeData);
if (!closeData->conn)
goto exit;
VIR_DEBUG("Triggering connection close callback %p reason=%d, opaque=%p",
closeData->callback, reason, closeData->opaque);
closeData->callback(closeData->conn, reason, closeData->opaque);
virConnectCloseCallbackDataReset(closeData);
exit:
virObjectUnlock(closeData);
}
virConnectCloseFunc
virConnectCloseCallbackDataGetCallback(virConnectCloseCallbackDataPtr closeData)
{
virConnectCloseFunc cb;
virObjectLock(closeData);
cb = closeData->callback;
virObjectUnlock(closeData);
return cb;
}
/**
* virGetDomain:
* @conn: the hypervisor connection
* @name: pointer to the domain name
* @uuid: pointer to the uuid
* @id: domain ID
*
* Allocates a new domain object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the domain object, or NULL on error.
*/
virDomainPtr
virGetDomain(virConnectPtr conn,
const char *name,
const unsigned char *uuid,
int id)
{
virDomainPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
virCheckNonNullArgGoto(uuid, error);
if (!(ret = virObjectNew(virDomainClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->conn = virObjectRef(conn);
ret->id = id;
memcpy(&(ret->uuid[0]), uuid, VIR_UUID_BUFLEN);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virDomainDispose:
* @obj: the domain to release
*
* Unconditionally release all memory associated with a domain.
* The domain object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virDomainDispose(void *obj)
{
virDomainPtr domain = obj;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(domain->uuid, uuidstr);
VIR_DEBUG("release domain %p %s %s", domain, domain->name, uuidstr);
VIR_FREE(domain->name);
virObjectUnref(domain->conn);
}
/**
* virGetNetwork:
* @conn: the hypervisor connection
* @name: pointer to the network name
* @uuid: pointer to the uuid
*
* Allocates a new network object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the network object, or NULL on error.
*/
virNetworkPtr
virGetNetwork(virConnectPtr conn, const char *name, const unsigned char *uuid)
{
virNetworkPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
virCheckNonNullArgGoto(uuid, error);
if (!(ret = virObjectNew(virNetworkClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->conn = virObjectRef(conn);
memcpy(&(ret->uuid[0]), uuid, VIR_UUID_BUFLEN);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virNetworkDispose:
* @obj: the network to release
*
* Unconditionally release all memory associated with a network.
* The network object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virNetworkDispose(void *obj)
{
virNetworkPtr network = obj;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(network->uuid, uuidstr);
VIR_DEBUG("release network %p %s %s", network, network->name, uuidstr);
VIR_FREE(network->name);
virObjectUnref(network->conn);
}
/**
* virGetInterface:
* @conn: the hypervisor connection
* @name: pointer to the interface name
* @mac: pointer to the mac
*
* Allocates a new interface object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the interface object, or NULL on error.
*/
virInterfacePtr
virGetInterface(virConnectPtr conn, const char *name, const char *mac)
{
virInterfacePtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
/* a NULL mac from caller is okay. Treat it as blank */
if (mac == NULL)
mac = "";
if (!(ret = virObjectNew(virInterfaceClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0 ||
VIR_STRDUP(ret->mac, mac) < 0)
goto error;
ret->conn = virObjectRef(conn);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virInterfaceDispose:
* @obj: the interface to release
*
* Unconditionally release all memory associated with an interface.
* The interface object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virInterfaceDispose(void *obj)
{
virInterfacePtr iface = obj;
VIR_DEBUG("release interface %p %s", iface, iface->name);
VIR_FREE(iface->name);
VIR_FREE(iface->mac);
virObjectUnref(iface->conn);
}
/**
* virGetStoragePool:
* @conn: the hypervisor connection
* @name: pointer to the storage pool name
* @uuid: pointer to the uuid
* @privateData: pointer to driver specific private data
* @freeFunc: private data cleanup function pointer specific to driver
*
* Allocates a new storage pool object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the storage pool object, or NULL on error.
*/
virStoragePoolPtr
virGetStoragePool(virConnectPtr conn, const char *name,
const unsigned char *uuid,
void *privateData, virFreeCallback freeFunc)
{
virStoragePoolPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
virCheckNonNullArgGoto(uuid, error);
if (!(ret = virObjectNew(virStoragePoolClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->conn = virObjectRef(conn);
memcpy(&(ret->uuid[0]), uuid, VIR_UUID_BUFLEN);
/* set the driver specific data */
ret->privateData = privateData;
ret->privateDataFreeFunc = freeFunc;
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virStoragePoolDispose:
* @obj: the storage pool to release
*
* Unconditionally release all memory associated with a pool.
* The pool object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virStoragePoolDispose(void *obj)
{
virStoragePoolPtr pool = obj;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(pool->uuid, uuidstr);
VIR_DEBUG("release pool %p %s %s", pool, pool->name, uuidstr);
if (pool->privateDataFreeFunc)
pool->privateDataFreeFunc(pool->privateData);
VIR_FREE(pool->name);
virObjectUnref(pool->conn);
}
/**
* virGetStorageVol:
* @conn: the hypervisor connection
* @pool: pool owning the volume
* @name: pointer to the storage vol name
* @key: pointer to unique key of the volume
* @privateData: pointer to driver specific private data
* @freeFunc: private data cleanup function pointer specific to driver
*
* Allocates a new storage volume object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the storage volume object, or NULL on error.
*/
virStorageVolPtr
virGetStorageVol(virConnectPtr conn, const char *pool, const char *name,
const char *key, void *privateData, virFreeCallback freeFunc)
{
virStorageVolPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(pool, error);
virCheckNonNullArgGoto(name, error);
virCheckNonNullArgGoto(key, error);
if (!(ret = virObjectNew(virStorageVolClass)))
goto error;
if (VIR_STRDUP(ret->pool, pool) < 0 ||
VIR_STRDUP(ret->name, name) < 0 ||
VIR_STRDUP(ret->key, key) < 0)
goto error;
ret->conn = virObjectRef(conn);
/* set driver specific data */
ret->privateData = privateData;
ret->privateDataFreeFunc = freeFunc;
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virStorageVolDispose:
* @obj: the storage volume to release
*
* Unconditionally release all memory associated with a volume.
* The volume object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virStorageVolDispose(void *obj)
{
virStorageVolPtr vol = obj;
VIR_DEBUG("release vol %p %s", vol, vol->name);
if (vol->privateDataFreeFunc)
vol->privateDataFreeFunc(vol->privateData);
VIR_FREE(vol->key);
VIR_FREE(vol->name);
VIR_FREE(vol->pool);
virObjectUnref(vol->conn);
}
/**
* virGetNodeDevice:
* @conn: the hypervisor connection
* @name: device name (unique on node)
*
* Allocates a new node device object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the node device object, or NULL on error.
*/
virNodeDevicePtr
virGetNodeDevice(virConnectPtr conn, const char *name)
{
virNodeDevicePtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
if (!(ret = virObjectNew(virNodeDeviceClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->conn = virObjectRef(conn);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virNodeDeviceDispose:
* @obj: the node device to release
*
* Unconditionally release all memory associated with a device.
* The device object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virNodeDeviceDispose(void *obj)
{
virNodeDevicePtr dev = obj;
VIR_DEBUG("release dev %p %s", dev, dev->name);
VIR_FREE(dev->name);
VIR_FREE(dev->parent);
virObjectUnref(dev->conn);
}
/**
* virGetSecret:
* @conn: the hypervisor connection
* @uuid: secret UUID
*
* Allocates a new secret object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the secret object, or NULL on error.
*/
virSecretPtr
virGetSecret(virConnectPtr conn, const unsigned char *uuid,
int usageType, const char *usageID)
{
virSecretPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(uuid, error);
if (!(ret = virObjectNew(virSecretClass)))
return NULL;
memcpy(&(ret->uuid[0]), uuid, VIR_UUID_BUFLEN);
ret->usageType = usageType;
if (VIR_STRDUP(ret->usageID, usageID ? usageID : "") < 0)
goto error;
ret->conn = virObjectRef(conn);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virSecretDispose:
* @obj: the secret to release
*
* Unconditionally release all memory associated with a secret.
* The secret object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virSecretDispose(void *obj)
{
virSecretPtr secret = obj;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(secret->uuid, uuidstr);
VIR_DEBUG("release secret %p %s", secret, uuidstr);
VIR_FREE(secret->usageID);
virObjectUnref(secret->conn);
}
/**
* virGetStream:
* @conn: the hypervisor connection
*
* Allocates a new stream object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the stream object, or NULL on error.
*/
virStreamPtr
virGetStream(virConnectPtr conn)
{
virStreamPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
if (!(ret = virObjectNew(virStreamClass)))
return NULL;
ret->conn = virObjectRef(conn);
return ret;
}
/**
* virStreamDispose:
* @obj: the stream to release
*
* Unconditionally release all memory associated with a stream.
* The stream object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virStreamDispose(void *obj)
{
virStreamPtr st = obj;
VIR_DEBUG("release dev %p", st);
virObjectUnref(st->conn);
}
/**
* virGetNWFilter:
* @conn: the hypervisor connection
* @name: pointer to the network filter pool name
* @uuid: pointer to the uuid
*
* Allocates a new network filter object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the network filter object, or NULL on error.
*/
virNWFilterPtr
virGetNWFilter(virConnectPtr conn, const char *name,
const unsigned char *uuid)
{
virNWFilterPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckConnectGoto(conn, error);
virCheckNonNullArgGoto(name, error);
virCheckNonNullArgGoto(uuid, error);
if (!(ret = virObjectNew(virNWFilterClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
memcpy(&(ret->uuid[0]), uuid, VIR_UUID_BUFLEN);
ret->conn = virObjectRef(conn);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virNWFilterDispose:
* @obj: the network filter to release
*
* Unconditionally release all memory associated with a nwfilter.
* The nwfilter object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virNWFilterDispose(void *obj)
{
virNWFilterPtr nwfilter = obj;
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(nwfilter->uuid, uuidstr);
VIR_DEBUG("release nwfilter %p %s %s", nwfilter, nwfilter->name, uuidstr);
VIR_FREE(nwfilter->name);
virObjectUnref(nwfilter->conn);
}
/**
* virGetDomainSnapshot:
* @domain: the domain to snapshot
* @name: pointer to the domain snapshot name
*
* Allocates a new domain snapshot object. When the object is no longer needed,
* virObjectUnref() must be called in order to not leak data.
*
* Returns a pointer to the domain snapshot object, or NULL on error.
*/
virDomainSnapshotPtr
virGetDomainSnapshot(virDomainPtr domain, const char *name)
{
virDomainSnapshotPtr ret = NULL;
if (virDataTypesInitialize() < 0)
return NULL;
virCheckDomainGoto(domain, error);
virCheckNonNullArgGoto(name, error);
if (!(ret = virObjectNew(virDomainSnapshotClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->domain = virObjectRef(domain);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
/**
* virDomainSnapshotDispose:
* @obj: the domain snapshot to release
*
* Unconditionally release all memory associated with a snapshot.
* The snapshot object must not be used once this method returns.
*
* It will also unreference the associated connection object,
* which may also be released if its ref count hits zero.
*/
static void
virDomainSnapshotDispose(void *obj)
{
virDomainSnapshotPtr snapshot = obj;
VIR_DEBUG("release snapshot %p %s", snapshot, snapshot->name);
VIR_FREE(snapshot->name);
virObjectUnref(snapshot->domain);
}
virAdmConnectPtr
virAdmConnectNew(void)
{
virAdmConnectPtr ret;
if (virDataTypesInitialize() < 0)
return NULL;
if (!(ret = virObjectLockableNew(virAdmConnectClass)))
return NULL;
if (!(ret->closeCallback = virObjectLockableNew(virAdmConnectCloseCallbackDataClass)))
goto error;
return ret;
error:
virObjectUnref(ret);
return NULL;
}
static void
virAdmConnectDispose(void *obj)
{
virAdmConnectPtr conn = obj;
if (conn->privateDataFreeFunc)
conn->privateDataFreeFunc(conn);
virURIFree(conn->uri);
virObjectUnref(conn->closeCallback);
}
static void
virAdmConnectCloseCallbackDataDispose(void *obj)
{
virAdmConnectCloseCallbackDataPtr cb_data = obj;
virObjectLock(cb_data);
virAdmConnectCloseCallbackDataReset(cb_data);
virObjectUnlock(cb_data);
}
void
virAdmConnectCloseCallbackDataReset(virAdmConnectCloseCallbackDataPtr cbdata)
{
if (cbdata->freeCallback)
cbdata->freeCallback(cbdata->opaque);
virObjectUnref(cbdata->conn);
cbdata->conn = NULL;
cbdata->freeCallback = NULL;
cbdata->callback = NULL;
cbdata->opaque = NULL;
}
int
virAdmConnectCloseCallbackDataUnregister(virAdmConnectCloseCallbackDataPtr cbdata,
virAdmConnectCloseFunc cb)
{
int ret = -1;
virObjectLock(cbdata);
if (cbdata->callback != cb) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("A different callback was requested"));
goto cleanup;
}
virAdmConnectCloseCallbackDataReset(cbdata);
ret = 0;
cleanup:
virObjectUnlock(cbdata);
return ret;
}
int
virAdmConnectCloseCallbackDataRegister(virAdmConnectCloseCallbackDataPtr cbdata,
virAdmConnectPtr conn,
virAdmConnectCloseFunc cb,
void *opaque,
virFreeCallback freecb)
{
int ret = -1;
virObjectLock(cbdata);
if (cbdata->callback) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("A close callback is already registered"));
goto cleanup;
}
cbdata->conn = virObjectRef(conn);
cbdata->callback = cb;
cbdata->opaque = opaque;
cbdata->freeCallback = freecb;
ret = 0;
cleanup:
virObjectUnlock(conn->closeCallback);
return ret;
}
virAdmServerPtr
virAdmGetServer(virAdmConnectPtr conn, const char *name)
{
virAdmServerPtr ret = NULL;
if (virDataTypesInitialize() < 0)
goto error;
if (!(ret = virObjectNew(virAdmServerClass)))
goto error;
if (VIR_STRDUP(ret->name, name) < 0)
goto error;
ret->conn = virObjectRef(conn);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
static void
virAdmServerDispose(void *obj)
{
virAdmServerPtr srv = obj;
VIR_DEBUG("release server srv=%p name=%s", srv, srv->name);
VIR_FREE(srv->name);
virObjectUnref(srv->conn);
}
virAdmClientPtr
virAdmGetClient(virAdmServerPtr srv, const unsigned long long id,
unsigned long long timestamp, unsigned int transport)
{
virAdmClientPtr ret = NULL;
if (virDataTypesInitialize() < 0)
goto error;
if (!(ret = virObjectNew(virAdmClientClass)))
goto error;
ret->id = id;
ret->timestamp = timestamp;
ret->transport = transport;
ret->srv = virObjectRef(srv);
return ret;
error:
virObjectUnref(ret);
return NULL;
}
static void
virAdmClientDispose(void *obj)
{
virAdmClientPtr clt = obj;
VIR_DEBUG("release client clt=%p, id=%llu", clt, clt->id);
virObjectUnref(clt->srv);
}