int qemuTestCapsCacheInsert(virQEMUCapsCachePtr cache, const char *binary,
virQEMUCapsPtr caps)
{
int ret;
if (caps) {
/* Our caps were created artificially, so we don't want
* virQEMUCapsCacheFree() to attempt to deallocate them */
virObjectRef(caps);
} else {
caps = virQEMUCapsNew();
if (!caps)
return -ENOMEM;
}
/* We can have repeating names for our test data sets,
* so make sure there's no old copy */
virHashRemoveEntry(cache->binaries, binary);
ret = virHashAddEntry(cache->binaries, binary, caps);
if (ret < 0)
virObjectUnref(caps);
else
qemuTestCapsName = binary;
return ret;
}
int virLXCProcessAutoDestroyRemove(virLXCDriverPtr driver,
virDomainObjPtr vm)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(vm->def->uuid, uuidstr);
VIR_DEBUG("vm=%s uuid=%s", vm->def->name, uuidstr);
if (virHashRemoveEntry(driver->autodestroy, uuidstr) < 0)
return -1;
return 0;
}
void
virCloseCallbacksRun(virCloseCallbacksPtr closeCallbacks,
virConnectPtr conn,
virDomainObjListPtr domains,
void *opaque)
{
virCloseCallbacksListPtr list;
size_t i;
VIR_DEBUG("conn=%p", conn);
/* We must not hold the lock while running the callbacks,
* so first we obtain the list of callbacks, then remove
* them all from the hash. At that point we can release
* the lock and run the callbacks safely. */
virObjectLock(closeCallbacks);
list = virCloseCallbacksGetForConn(closeCallbacks, conn);
if (!list) {
virObjectUnlock(closeCallbacks);
return;
}
for (i = 0; i < list->nentries; i++) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(list->entries[i].uuid, uuidstr);
virHashRemoveEntry(closeCallbacks->list, uuidstr);
}
virObjectUnlock(closeCallbacks);
for (i = 0; i < list->nentries; i++) {
virDomainObjPtr vm;
/* Grab a ref and lock to the vm */
if (!(vm = virDomainObjListFindByUUIDRef(domains,
list->entries[i].uuid))) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(list->entries[i].uuid, uuidstr);
VIR_DEBUG("No domain object with UUID %s", uuidstr);
continue;
}
/* Remove the ref taken out during virCloseCallbacksSet since
* we're about to call the callback function and we have another
* ref anyway (so it cannot be deleted).
*
* Call the callback function, ignoring the return since it might be
* NULL. Once we're done with the object, then end the API usage. */
virObjectUnref(vm);
ignore_value(list->entries[i].callback(vm, conn, opaque));
virDomainObjEndAPI(&vm);
}
VIR_FREE(list->entries);
VIR_FREE(list);
}
/**
* virHashSteal:
* @table: the hash table
* @name: the name of the userdata
*
* Find the userdata specified by @name
* and remove it from the hash without freeing it.
*
* Returns the a pointer to the userdata
*/
void *virHashSteal(virHashTablePtr table, const void *name)
{
void *data = virHashLookup(table, name);
if (data) {
virHashDataFree dataFree = table->dataFree;
table->dataFree = NULL;
virHashRemoveEntry(table, name);
table->dataFree = dataFree;
}
return data;
}
static void virLXCProcessAutoDestroyDom(void *payload,
const void *name,
void *opaque)
{
struct virLXCProcessAutoDestroyData *data = opaque;
virConnectPtr conn = payload;
const char *uuidstr = name;
unsigned char uuid[VIR_UUID_BUFLEN];
virDomainObjPtr dom;
virDomainEventPtr event = NULL;
virLXCDomainObjPrivatePtr priv;
VIR_DEBUG("conn=%p uuidstr=%s thisconn=%p", conn, uuidstr, data->conn);
if (data->conn != conn)
return;
if (virUUIDParse(uuidstr, uuid) < 0) {
VIR_WARN("Failed to parse %s", uuidstr);
return;
}
if (!(dom = virDomainObjListFindByUUID(data->driver->domains,
uuid))) {
VIR_DEBUG("No domain object to kill");
return;
}
priv = dom->privateData;
VIR_DEBUG("Killing domain");
virLXCProcessStop(data->driver, dom, VIR_DOMAIN_SHUTOFF_DESTROYED);
virDomainAuditStop(dom, "destroyed");
event = virDomainEventNewFromObj(dom,
VIR_DOMAIN_EVENT_STOPPED,
VIR_DOMAIN_EVENT_STOPPED_DESTROYED);
priv->doneStopEvent = true;
if (dom && !dom->persistent)
virDomainObjListRemove(data->driver->domains, dom);
if (dom)
virObjectUnlock(dom);
if (event)
virDomainEventStateQueue(data->driver->domainEventState, event);
virHashRemoveEntry(data->driver->autodestroy, uuidstr);
}
void
virCloseCallbacksRun(virCloseCallbacksPtr closeCallbacks,
virConnectPtr conn,
virDomainObjListPtr domains,
void *opaque)
{
virCloseCallbacksListPtr list;
size_t i;
VIR_DEBUG("conn=%p", conn);
/* We must not hold the lock while running the callbacks,
* so first we obtain the list of callbacks, then remove
* them all from the hash. At that point we can release
* the lock and run the callbacks safely. */
virObjectLock(closeCallbacks);
list = virCloseCallbacksGetForConn(closeCallbacks, conn);
if (!list)
return;
for (i = 0; i < list->nentries; i++) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(list->entries[i].uuid, uuidstr);
virHashRemoveEntry(closeCallbacks->list, uuidstr);
}
virObjectUnlock(closeCallbacks);
for (i = 0; i < list->nentries; i++) {
virDomainObjPtr vm;
if (!(vm = virDomainObjListFindByUUID(domains,
list->entries[i].uuid))) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(list->entries[i].uuid, uuidstr);
VIR_DEBUG("No domain object with UUID %s", uuidstr);
continue;
}
vm = list->entries[i].callback(vm, conn, opaque);
if (vm)
virObjectUnlock(vm);
}
VIR_FREE(list->entries);
VIR_FREE(list);
}
void
virNWFilterUnlockIface(const char *ifname)
{
virNWFilterIfaceLockPtr ifaceLock;
virMutexLock(&ifaceMapLock);
ifaceLock = virHashLookup(ifaceLockMap, ifname);
if (ifaceLock) {
virMutexUnlock(&ifaceLock->lock);
ifaceLock->refctr--;
if (ifaceLock->refctr == 0)
virHashRemoveEntry(ifaceLockMap, ifname);
}
virMutexUnlock(&ifaceMapLock);
}
int
virDomainCCWAddressReleaseAddr(virDomainCCWAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
char *addr;
int ret;
addr = virDomainCCWAddressAsString(&(dev->addr.ccw));
if (!addr)
return -1;
if ((ret = virHashRemoveEntry(addrs->defined, addr)) == 0 &&
dev->addr.ccw.cssid == addrs->next.cssid &&
dev->addr.ccw.ssid == addrs->next.ssid &&
dev->addr.ccw.devno < addrs->next.devno) {
addrs->next.devno = dev->addr.ccw.devno;
addrs->next.assigned = false;
}
VIR_FREE(addr);
return ret;
}
int
virCloseCallbacksUnset(virCloseCallbacksPtr closeCallbacks,
virDomainObjPtr vm,
virCloseCallback cb)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
virDriverCloseDefPtr closeDef;
int ret = -1;
virUUIDFormat(vm->def->uuid, uuidstr);
VIR_DEBUG("vm=%s, uuid=%s, cb=%p",
vm->def->name, uuidstr, cb);
virObjectLock(closeCallbacks);
closeDef = virHashLookup(closeCallbacks->list, uuidstr);
if (!closeDef)
goto cleanup;
if (closeDef->cb && closeDef->cb != cb) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Trying to remove mismatching close callback for"
" domain %s"), vm->def->name);
goto cleanup;
}
if (virHashRemoveEntry(closeCallbacks->list, uuidstr) < 0)
goto cleanup;
virObjectUnref(vm);
ret = 0;
cleanup:
virObjectUnlock(closeCallbacks);
if (!ret)
virObjectUnref(closeCallbacks);
return ret;
}
