int virNetClientStreamEventRemoveCallback(virNetClientStreamPtr st)
{
int ret = -1;
virObjectLock(st);
if (!st->cb) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no stream callback registered"));
goto cleanup;
}
if (!st->cbDispatch &&
st->cbFree)
(st->cbFree)(st->cbOpaque);
st->cb = NULL;
st->cbOpaque = NULL;
st->cbFree = NULL;
st->cbEvents = 0;
virEventRemoveTimeout(st->cbTimer);
ret = 0;
cleanup:
virObjectUnlock(st);
return ret;
}
/**
* virObjectEventStateDeregisterID:
* @conn: connection to associate with callback
* @state: object event state
* @callbackID: ID of the function to remove from event
*
* Unregister the function @callbackID with connection @conn,
* from @state, for events.
*
* Returns: the number of callbacks still registered, or -1 on error
*/
int
virObjectEventStateDeregisterID(virConnectPtr conn,
virObjectEventStatePtr state,
int callbackID)
{
int ret;
virObjectEventStateLock(state);
if (state->isDispatching)
ret = virObjectEventCallbackListMarkDeleteID(conn,
state->callbacks,
callbackID);
else
ret = virObjectEventCallbackListRemoveID(conn,
state->callbacks, callbackID);
if (state->callbacks->count == 0 &&
state->timer != -1) {
virEventRemoveTimeout(state->timer);
state->timer = -1;
virObjectEventQueueClear(state->queue);
}
virObjectEventStateUnlock(state);
return ret;
}
void virNetServerClientDispose(void *obj)
{
virNetServerClientPtr client = obj;
PROBE(RPC_SERVER_CLIENT_DISPOSE,
"client=%p", client);
virObjectUnref(client->identity);
if (client->privateData &&
client->privateDataFreeFunc)
client->privateDataFreeFunc(client->privateData);
#if WITH_SASL
virObjectUnref(client->sasl);
#endif
if (client->sockTimer > 0)
virEventRemoveTimeout(client->sockTimer);
#if WITH_GNUTLS
virObjectUnref(client->tls);
virObjectUnref(client->tlsCtxt);
#endif
virObjectUnref(client->sock);
virObjectUnlock(client);
}
static void virLXCControllerFree(virLXCControllerPtr ctrl)
{
size_t i;
if (!ctrl)
return;
virLXCControllerStopInit(ctrl);
virSecurityManagerFree(ctrl->securityManager);
for (i = 0 ; i < ctrl->nveths ; i++)
VIR_FREE(ctrl->veths[i]);
VIR_FREE(ctrl->veths);
for (i = 0 ; i < ctrl->nconsoles ; i++)
virLXCControllerConsoleClose(&(ctrl->consoles[i]));
VIR_FREE(ctrl->consoles);
VIR_FORCE_CLOSE(ctrl->handshakeFd);
VIR_FREE(ctrl->devptmx);
virDomainDefFree(ctrl->def);
VIR_FREE(ctrl->name);
if (ctrl->timerShutdown != -1)
virEventRemoveTimeout(ctrl->timerShutdown);
virObjectUnref(ctrl->server);
VIR_FREE(ctrl);
}
/*
* Deinitialize virsh
*/
static bool
virshDeinit(vshControl *ctl)
{
virshControlPtr priv = ctl->privData;
vshDeinit(ctl);
VIR_FREE(ctl->connname);
if (priv->conn) {
int ret;
virConnectUnregisterCloseCallback(priv->conn, virshCatchDisconnect);
ret = virConnectClose(priv->conn);
if (ret < 0)
vshError(ctl, "%s", _("Failed to disconnect from the hypervisor"));
else if (ret > 0)
vshError(ctl, "%s", _("One or more references were leaked after "
"disconnect from the hypervisor"));
}
virResetLastError();
if (ctl->eventLoopStarted) {
int timer;
virMutexLock(&ctl->lock);
ctl->quit = true;
/* HACK: Add a dummy timeout to break event loop */
timer = virEventAddTimeout(0, virshDeinitTimer, NULL, NULL);
virMutexUnlock(&ctl->lock);
virThreadJoin(&ctl->eventLoop);
if (timer != -1)
virEventRemoveTimeout(timer);
if (ctl->eventTimerId != -1)
virEventRemoveTimeout(ctl->eventTimerId);
ctl->eventLoopStarted = false;
}
virMutexDestroy(&ctl->lock);
return true;
}
/**
* virDomainEventStateFree:
* @list: virDomainEventStatePtr to free
*
* Free a virDomainEventStatePtr and its members, and unregister the timer.
*/
void
virDomainEventStateFree(virDomainEventStatePtr state)
{
if (!state)
return;
virDomainEventCallbackListFree(state->callbacks);
virDomainEventQueueFree(state->queue);
if (state->timer != -1)
virEventRemoveTimeout(state->timer);
VIR_FREE(state);
}
/**
* virObjectEventStateDispose:
* @list: virObjectEventStatePtr to free
*
* Free a virObjectEventStatePtr and its members, and unregister the timer.
*/
static void
virObjectEventStateDispose(void *obj)
{
virObjectEventStatePtr state = obj;
VIR_DEBUG("obj=%p", state);
virObjectEventCallbackListFree(state->callbacks);
virObjectEventQueueFree(state->queue);
if (state->timer != -1)
virEventRemoveTimeout(state->timer);
}
void qemuMonitorTestFree(qemuMonitorTestPtr test)
{
size_t i;
int timer = -1;
if (!test)
return;
virMutexLock(&test->lock);
if (test->running) {
test->quit = true;
/* HACK: Add a dummy timeout to break event loop */
timer = virEventAddTimeout(0, qemuMonitorTestFreeTimer, NULL, NULL);
}
virMutexUnlock(&test->lock);
if (test->client) {
virNetSocketRemoveIOCallback(test->client);
virNetSocketClose(test->client);
virObjectUnref(test->client);
}
virObjectUnref(test->server);
if (test->mon) {
virObjectUnlock(test->mon);
qemuMonitorClose(test->mon);
}
virObjectUnref(test->vm);
virThreadJoin(&test->thread);
if (timer != -1)
virEventRemoveTimeout(timer);
VIR_FREE(test->incoming);
VIR_FREE(test->outgoing);
for (i = 0 ; i < test->nitems ; i++)
qemuMonitorTestItemFree(test->items[i]);
VIR_FREE(test->items);
if (test->tmpdir && rmdir(test->tmpdir) < 0)
VIR_WARN("Failed to remove tempdir: %s", strerror(errno));
VIR_FREE(test->tmpdir);
virMutexDestroy(&test->lock);
VIR_FREE(test);
}
/**
* virObjectEventStateFree:
* @list: virObjectEventStatePtr to free
*
* Free a virObjectEventStatePtr and its members, and unregister the timer.
*/
void
virObjectEventStateFree(virObjectEventStatePtr state)
{
if (!state)
return;
virObjectEventCallbackListFree(state->callbacks);
virObjectEventQueueFree(state->queue);
if (state->timer != -1)
virEventRemoveTimeout(state->timer);
virMutexDestroy(&state->lock);
VIR_FREE(state);
}
void
virKeepAliveStop(virKeepAlivePtr ka)
{
virObjectLock(ka);
PROBE(RPC_KEEPALIVE_STOP,
"ka=%p client=%p",
ka, ka->client);
if (ka->timer > 0) {
virEventRemoveTimeout(ka->timer);
ka->timer = -1;
}
virObjectUnlock(ka);
}
/**
* virObjectEventStateRegisterID:
* @conn: connection to associate with callback
* @state: domain event state
* @uuid: uuid of the object for event filtering
* @klass: the base event class
* @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
* @legacy: true if callback is tracked by function instead of callbackID
* @callbackID: filled with callback ID
* @serverFilter: true if server supports object filtering
*
* Register the function @cb with connection @conn, from @state, for
* events of type @eventID, and return the registration handle in
* @callbackID.
*
* The return value is only important when registering client-side
* mirroring of remote events (since the public API is documented to
* return the callbackID rather than a count). A return of 1 means
* that this is the first use of this type of event, so a remote event
* must be enabled; a return larger than 1 means that an existing
* remote event can already feed this callback. If @serverFilter is
* false, the return count assumes that a single global remote feeds
* both generic and per-object callbacks, and that the event queue
* will be fed with virObjectEventStateQueue(). If it is true, then
* the return count assumes that the remote side is capable of per-
* object filtering; the user must call virObjectEventStateSetRemote()
* to record the remote id, and queue events with
* virObjectEventStateQueueRemote().
*
* Returns: the number of callbacks now registered, or -1 on error.
*/
int
virObjectEventStateRegisterID(virConnectPtr conn,
virObjectEventStatePtr state,
unsigned char *uuid,
virObjectEventCallbackFilter filter,
void *filter_opaque,
virClassPtr klass,
int eventID,
virConnectObjectEventGenericCallback cb,
void *opaque,
virFreeCallback freecb,
bool legacy,
int *callbackID,
bool serverFilter)
{
int ret = -1;
virObjectEventStateLock(state);
if ((state->callbacks->count == 0) &&
(state->timer == -1) &&
(state->timer = virEventAddTimeout(-1,
virObjectEventTimer,
state,
NULL)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("could not initialize domain event timer"));
goto cleanup;
}
ret = virObjectEventCallbackListAddID(conn, state->callbacks,
uuid, filter, filter_opaque,
klass, eventID,
cb, opaque, freecb,
legacy, callbackID, serverFilter);
if (ret == -1 &&
state->callbacks->count == 0 &&
state->timer != -1) {
virEventRemoveTimeout(state->timer);
state->timer = -1;
}
cleanup:
virObjectEventStateUnlock(state);
return ret;
}
static void
virObjectEventStateCleanupTimer(virObjectEventStatePtr state, bool clear_queue)
{
/* There are still some callbacks, keep the timer. */
if (state->callbacks->count)
return;
/* The timer is not registered, nothing to do. */
if (state->timer == -1)
return;
virEventRemoveTimeout(state->timer);
state->timer = -1;
if (clear_queue)
virObjectEventQueueClear(state->queue);
}
void virNetServerClientDispose(void *obj)
{
virNetServerClientPtr client = obj;
if (client->privateData &&
client->privateDataFreeFunc)
client->privateDataFreeFunc(client->privateData);
VIR_FREE(client->identity);
#if HAVE_SASL
virObjectUnref(client->sasl);
#endif
if (client->sockTimer > 0)
virEventRemoveTimeout(client->sockTimer);
virObjectUnref(client->tls);
virObjectUnref(client->tlsCtxt);
virObjectUnref(client->sock);
virNetServerClientUnlock(client);
virMutexDestroy(&client->lock);
}
