//--------------------------------------------------------------------------------------------------
static void DeleteFdMonitor
(
FdMonitor_t* fdMonitorPtr ///< [in] Pointer to the FD Monitor to be deleted.
)
//--------------------------------------------------------------------------------------------------
{
int i;
event_PerThreadRec_t* perThreadRecPtr = thread_GetEventRecPtr();
LE_ASSERT(perThreadRecPtr == fdMonitorPtr->threadRecPtr);
// Remove the FD Monitor from the thread's FD Monitor List.
le_dls_Remove(&perThreadRecPtr->fdMonitorList, &fdMonitorPtr->link);
LOCK
// Delete the Safe References used for the FD Monitor and any of its Handler objects.
le_ref_DeleteRef(FdMonitorRefMap, fdMonitorPtr->safeRef);
for (i = 0; i < LE_EVENT_NUM_FD_EVENT_TYPES; i++)
{
void* safeRef = fdMonitorPtr->handlerArray[i].safeRef;
if (safeRef != NULL)
{
le_ref_DeleteRef(HandlerRefMap, safeRef);
}
}
UNLOCK
// Tell epoll(7) to stop monitoring this fd.
StopMonitoringFd(fdMonitorPtr);
// Release the object back to it's pool.
le_mem_Release(fdMonitorPtr);
}
//--------------------------------------------------------------------------------------------------
void le_mrc_DeleteCellularNetworkScan
(
le_mrc_ScanInformation_ListRef_t scanInformationListRef ///< [IN] The list of scan information.
)
{
le_mrc_ScanInformationList_t* scanInformationListPtr = le_ref_Lookup(ScanInformationListRefMap,
scanInformationListRef);
if (scanInformationListPtr == NULL)
{
LE_KILL_CLIENT("Invalid reference (%p) provided!", scanInformationListRef);
return;
}
scanInformationListPtr->currentLink = NULL;
pa_mrc_DeleteScanInformation(&(scanInformationListPtr->paScanInformationList));
// Delete the safe Reference list.
DeleteSafeRefList(&(scanInformationListPtr->safeRefScanInformationList));
// Invalidate the Safe Reference.
le_ref_DeleteRef(ScanInformationListRefMap, scanInformationListRef);
le_mem_Release(scanInformationListPtr);
}
//--------------------------------------------------------------------------------------------------
void le_msg_RemoveServiceHandler
(
le_msg_SessionEventHandlerRef_t handlerRef ///< [in] Reference to a previously call of
/// le_msg_AddServiceCloseHandler()
)
//--------------------------------------------------------------------------------------------------
{
le_dls_Link_t* linkPtr = le_ref_Lookup(HandlersRefMap, handlerRef);
if ( linkPtr == NULL )
{
LE_ERROR("Invalid data request reference");
}
else
{
SessionEventHandler_t* eventPtr = CONTAINER_OF(linkPtr, SessionEventHandler_t, link);
/* Remove the link from the close handlers dls */
le_dls_Remove(eventPtr->listPtr, linkPtr);
/* Release memory */
le_mem_Release(eventPtr);
/* Delete the reference */
le_ref_DeleteRef(HandlersRefMap, handlerRef);
}
}
//--------------------------------------------------------------------------------------------------
static void DeleteFdMonitor
(
FdMonitor_t* fdMonitorPtr ///< [in] Pointer to the FD Monitor to be deleted.
)
//--------------------------------------------------------------------------------------------------
{
event_PerThreadRec_t* perThreadRecPtr = thread_GetEventRecPtr();
LE_ASSERT(perThreadRecPtr == fdMonitorPtr->threadRecPtr);
// Remove the FD Monitor from the thread's FD Monitor List.
le_dls_Remove(&perThreadRecPtr->fdMonitorList, &fdMonitorPtr->link);
LOCK
// Delete the Safe References used for the FD Monitor and any of its Handler objects.
le_ref_DeleteRef(FdMonitorRefMap, fdMonitorPtr->safeRef);
UNLOCK
// Tell epoll(7) to stop monitoring this fd.
StopMonitoringFd(fdMonitorPtr);
// Release the object back to it's pool.
le_mem_Release(fdMonitorPtr);
}
//--------------------------------------------------------------------------------------------------
void le_avdata_ReleaseSession
(
le_avdata_RequestSessionObjRef_t sessionRequestRef
)
{
le_ref_IterRef_t iterRef;
// Look up the reference. If it is NULL, then the reference is not valid.
// Otherwise, delete the reference and request avcServer to release session.
void* sessionPtr = le_ref_Lookup(AvSessionRequestRefMap, sessionRequestRef);
if (sessionPtr == NULL)
{
LE_ERROR("Invalid session request reference %p", sessionPtr);
return;
}
else
{
LE_PRINT_VALUE("%p", sessionPtr);
le_ref_DeleteRef(AvSessionRequestRefMap, sessionRequestRef);
}
// Stop the session when all clients release their session reference.
iterRef = le_ref_GetIterator(AvSessionRequestRefMap);
if (le_ref_NextNode(iterRef) == LE_NOT_FOUND)
{
// Close the session if there is no new open request for 2 seconds.
le_timer_Restart(SessionReleaseTimerRef);
}
}
//--------------------------------------------------------------------------------------------------
static void ServiceDestructor
(
void* objPtr
)
//--------------------------------------------------------------------------------------------------
{
le_dls_Link_t* linkPtr = NULL;
Service_t* servicePtr = objPtr;
le_hashmap_Remove(ServiceMapRef, &servicePtr->id);
/* Release the close handlers dls */
do
{
linkPtr = le_dls_PopTail(&servicePtr->closeListPtr);
if (linkPtr)
{
SessionEventHandler_t* closeEventPtr = CONTAINER_OF(linkPtr, SessionEventHandler_t, link);
/* Delete the reference */
le_ref_DeleteRef(HandlersRefMap, closeEventPtr->ref);
/* Release the memory */
le_mem_Release(closeEventPtr);
}
}
while (linkPtr);
/* Release the open handlers dls */
do
{
linkPtr = le_dls_PopTail(&servicePtr->openListPtr);
if (linkPtr)
{
SessionEventHandler_t* openEventPtr = CONTAINER_OF(linkPtr, SessionEventHandler_t, link);
/* Delete the reference */
le_ref_DeleteRef(HandlersRefMap, openEventPtr->ref);
le_mem_Release(openEventPtr);
}
}
while (linkPtr);
}
//--------------------------------------------------------------------------------------------------
static void CallDestructor
(
void* objPtr
)
{
le_mcc_Call_t *callPtr = (le_mcc_Call_t*)objPtr;
// Invalidate the Safe Reference.
le_ref_DeleteRef(MccCallRefMap, callPtr->callRef);
}
//--------------------------------------------------------------------------------------------------
static void CleanupClientData
(
le_msg_SessionRef_t sessionRef,
void *contextPtr
)
{
LE_DEBUG("Client %p is closed !!!", sessionRef);
// Iterate over the server data reference map and remove anything that matches
// the client session.
_LOCK
le_ref_IterRef_t iterRef = le_ref_GetIterator(_HandlerRefMap);
le_result_t result = le_ref_NextNode(iterRef);
_ServerData_t const* serverDataPtr;
while ( result == LE_OK )
{
serverDataPtr = le_ref_GetValue(iterRef);
if ( sessionRef != serverDataPtr->clientSessionRef )
{
LE_DEBUG("Found session ref %p; does not match",
serverDataPtr->clientSessionRef);
}
else
{
LE_DEBUG("Found session ref %p; match found, so needs cleanup",
serverDataPtr->clientSessionRef);
// Remove the handler, if the Remove handler functions exists.
if ( serverDataPtr->removeHandlerFunc != NULL )
{
serverDataPtr->removeHandlerFunc( serverDataPtr->handlerRef );
}
// Release the server data block
le_mem_Release((void*)serverDataPtr);
// Delete the associated safeRef
le_ref_DeleteRef( _HandlerRefMap, (void*)le_ref_GetSafeRef(iterRef) );
// Since the reference map was modified, the iterator is no longer valid and
// so has to be re-initalized. This means that some values may get revisited,
// but eventually this will iterate over the whole reference map.
// todo: Is there an easier way?
iterRef = le_ref_GetIterator(_HandlerRefMap);
}
// Get the next value in the reference mpa
result = le_ref_NextNode(iterRef);
}
_UNLOCK
}
//--------------------------------------------------------------------------------------------------
void RemoveBugTest
(
BugTestRef_t addHandlerRef
///< [IN]
)
{
le_msg_MessageRef_t _msgRef;
le_msg_MessageRef_t _responseMsgRef;
_Message_t* _msgPtr;
// Will not be used if no data is sent/received from server.
__attribute__((unused)) uint8_t* _msgBufPtr;
// Range check values, if appropriate
// Create a new message object and get the message buffer
_msgRef = le_msg_CreateMsg(GetCurrentSessionRef());
_msgPtr = le_msg_GetPayloadPtr(_msgRef);
_msgPtr->id = _MSGID_RemoveBugTest;
_msgBufPtr = _msgPtr->buffer;
// Pack the input parameters
// The passed in handlerRef is a safe reference for the client data object. Need to get the
// real handlerRef from the client data object and then delete both the safe reference and
// the object since they are no longer needed.
_LOCK
_ClientData_t* clientDataPtr = le_ref_Lookup(_HandlerRefMap, addHandlerRef);
le_ref_DeleteRef(_HandlerRefMap, addHandlerRef);
_UNLOCK
addHandlerRef = (BugTestRef_t)clientDataPtr->handlerRef;
le_mem_Release(clientDataPtr);
_msgBufPtr = PackData( _msgBufPtr, &addHandlerRef, sizeof(BugTestRef_t) );
// Send a request to the server and get the response.
LE_DEBUG("Sending message to server and waiting for response");
_responseMsgRef = le_msg_RequestSyncResponse(_msgRef);
// It is a serious error if we don't get a valid response from the server
LE_FATAL_IF(_responseMsgRef == NULL, "Valid response was not received from server");
// Process the result and/or output parameters, if there are any.
_msgPtr = le_msg_GetPayloadPtr(_responseMsgRef);
_msgBufPtr = _msgPtr->buffer;
// Unpack any "out" parameters
// Release the message object, now that all results/output has been copied.
le_msg_ReleaseMsg(_responseMsgRef);
}
static void Handle_RemoveBugTestHandler
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
BugTestHandlerRef_t addHandlerRef;
_msgBufPtr = UnpackData( _msgBufPtr, &addHandlerRef, sizeof(BugTestHandlerRef_t) );
// The passed in handlerRef is a safe reference for the server data object. Need to get the
// real handlerRef from the server data object and then delete both the safe reference and
// the object since they are no longer needed.
_LOCK
_ServerData_t* serverDataPtr = le_ref_Lookup(_HandlerRefMap, addHandlerRef);
if ( serverDataPtr == NULL )
{
_UNLOCK
LE_KILL_CLIENT("Invalid reference");
return;
}
le_ref_DeleteRef(_HandlerRefMap, addHandlerRef);
_UNLOCK
addHandlerRef = (BugTestHandlerRef_t)serverDataPtr->handlerRef;
le_mem_Release(serverDataPtr);
// Define storage for output parameters
// Call the function
RemoveBugTestHandler ( addHandlerRef );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
//--------------------------------------------------------------------------------------------------
static void DeleteSafeRefList
(
le_dls_List_t* listPtr
)
{
le_mrc_ScanInformationSafeRef_t* nodePtr;
le_dls_Link_t *linkPtr;
while ((linkPtr=le_dls_Pop(listPtr)) != NULL)
{
nodePtr = CONTAINER_OF(linkPtr, le_mrc_ScanInformationSafeRef_t, link);
le_ref_DeleteRef(ScanInformationRefMap, nodePtr->safeRef);
le_mem_Release(nodePtr);
}
}
//--------------------------------------------------------------------------------------------------
static void ClientCloseSessionHandler
(
le_msg_SessionRef_t sessionRef,
void* contextPtr
)
{
if ( sessionRef == NULL )
{
LE_ERROR("sessionRef is NULL");
return;
}
LE_INFO("Client %p closed, remove allocated resources", sessionRef);
le_ref_IterRef_t iterRef = le_ref_GetIterator(InstanceRefMap);
InstanceRefData_t const* instRefDataPtr;
// Search for the instance references used by the closed client, and clean up any data.
while ( le_ref_NextNode(iterRef) == LE_OK )
{
instRefDataPtr = le_ref_GetValue(iterRef);
if ( instRefDataPtr->clientSessionRef == sessionRef )
{
// Delete instance data, and also delete asset data, if last instance is deleted
assetData_DeleteInstanceAndAsset(instRefDataPtr->instRef);
// Delete safe reference and associated data
le_mem_Release((void*)instRefDataPtr);
le_ref_DeleteRef( InstanceRefMap, (void*)le_ref_GetSafeRef(iterRef) );
}
}
// Send registration update after the asset is removed.
assetData_RegistrationUpdate(ASSET_DATA_SESSION_STATUS_CHECK);
// Search for the session request reference(s) used by the closed client, and clean up any data.
iterRef = le_ref_GetIterator(AvSessionRequestRefMap);
while (le_ref_NextNode(iterRef) == LE_OK)
{
if (le_ref_GetValue(iterRef) == sessionRef)
{
le_avdata_ReleaseSession((void*)le_ref_GetSafeRef(iterRef));
}
}
}
//--------------------------------------------------------------------------------------------------
void le_event_ClearFdHandlerByEventType
(
le_event_FdMonitorRef_t monitorRef, ///< [in] Reference to the File Descriptor Monitor object.
le_event_FdEventType_t eventType ///< [in] The type of event to clear the handler for.
)
//--------------------------------------------------------------------------------------------------
{
LE_ASSERT(eventType < LE_EVENT_NUM_FD_EVENT_TYPES);
// Look up the File Descriptor Monitor object using the safe reference provided.
// Note that the safe reference map is shared by all threads in the process, so it
// must be protected using the mutex. The File Descriptor Monitor objects, on the other
// hand, are only allowed to be accessed by the one thread that created them, so it is
// safe to unlock the mutex after doing the safe reference lookup.
LOCK
FdMonitor_t* monitorPtr = le_ref_Lookup(FdMonitorRefMap, monitorRef);
UNLOCK
LE_FATAL_IF(monitorPtr == NULL, "File Descriptor Monitor %p doesn't exist!", monitorRef);
LE_FATAL_IF(thread_GetEventRecPtr() != monitorPtr->threadRecPtr,
"FD Monitor '%s' (fd %d) is owned by another thread.",
monitorPtr->name,
monitorPtr->fd);
// Get a pointer to the Handler object in the appropriate spot for this type of event in the
// FD Monitor's array of handlers.
Handler_t* handlerPtr = &(monitorPtr->handlerArray[eventType]);
LE_CRIT_IF(handlerPtr->handlerFunc == NULL,
"Handler cleared when not set for FD Monitor '%s' (fd %d), event type %d.",
monitorPtr->name,
monitorPtr->fd,
eventType);
// Clear the Handler object.
handlerPtr->handlerFunc = NULL;
handlerPtr->contextPtr = NULL;
LOCK
le_ref_DeleteRef(HandlerRefMap, handlerPtr->safeRef);
UNLOCK
handlerPtr->safeRef = NULL;
// Disable the monitoring of this event.
DisableFdMonitoring(monitorPtr, eventType);
}
//--------------------------------------------------------------------------------------------------
static void CleanupThread
(
void* objPtr ///< Pointer to the Thread object.
)
{
ThreadObj_t* threadObjPtr = objPtr;
// Call all destructors in the list.
le_sls_Link_t* destructorLinkPtr = le_sls_Pop(&(threadObjPtr->destructorList));
while (destructorLinkPtr != NULL)
{
// Get the destructor object
DestructorObj_t* destructorObjPtr = CONTAINER_OF(destructorLinkPtr, DestructorObj_t, link);
// Call the destructor.
if (destructorObjPtr->destructor != NULL)
{
destructorObjPtr->destructor(destructorObjPtr->context);
}
// Free the destructor object.
le_mem_Release(destructorObjPtr);
destructorLinkPtr = le_sls_Pop(&(threadObjPtr->destructorList));
}
// Destruct the event loop.
event_DestructThread();
// If this thread is NOT joinable, then immediately invalidate its safe reference and free
// the thread object. Otherwise, wait until someone joins with it.
if (! threadObjPtr->isJoinable)
{
Lock();
le_ref_DeleteRef(ThreadRefMap, threadObjPtr->safeRef);
Unlock();
DeleteThread(threadObjPtr);
}
}
//--------------------------------------------------------------------------------------------------
static void OnClientDisconnect
(
le_msg_SessionRef_t sessionRef,
void *contextPtr
)
{
Client_t *c;
WakeupSource_t *ws;
le_hashmap_It_Ref_t iter;
// Find and remove client record from table
c = to_Client_t(le_hashmap_Remove(PowerManager.clients, sessionRef));
LE_INFO("Client pid %d disconnected.", c->pid);
// Find and remove all wakeup sources held for this client
iter = le_hashmap_GetIterator(PowerManager.locks);
while (LE_OK == le_hashmap_NextNode(iter)) {
ws = (WakeupSource_t*)le_hashmap_GetValue(iter);
if (ws->pid != c->pid)
// Does not belong to this client, skip
continue;
// Release wakeup source if taken
if (ws->taken) {
LE_WARN("Releasing wakeup source '%s' on behalf of pid %d.",
ws->name, ws->pid);
le_pm_Relax((le_pm_WakeupSourceRef_t)ws->wsref);
}
// Delete wakeup source record, free memory
LE_INFO("Deleting wakeup source '%s' on behalf of pid %d.",
ws->name, ws->pid);
le_hashmap_Remove(PowerManager.locks, ws->name);
le_ref_DeleteRef(PowerManager.refs, ws->wsref);
le_mem_Release(ws);
}
// Free client record
le_mem_Release(c);
return;
}
//--------------------------------------------------------------------------------------------------
void mqtt_DestroySession
(
mqtt_SessionRef_t sessionRef ///< [IN] Session to destroy
)
{
mqtt_Session* s = le_ref_Lookup(SessionRefMap, sessionRef);
if (s == NULL)
{
LE_KILL_CLIENT("Session doesn't exist");
return;
}
if (s->clientSession != mqtt_GetClientSessionRef())
{
LE_KILL_CLIENT("Session doesn't belong to this client");
return;
}
DestroySessionInternal(s);
le_ref_DeleteRef(SessionRefMap, sessionRef);
}
//--------------------------------------------------------------------------------------------------
void le_cellnet_Release
(
le_cellnet_RequestObjRef_t requestRef ///< Reference to a previously requested cellular network
)
{
// Look up the reference. If it is NULL, then the reference is not valid.
// Otherwise, delete the reference and send the release command to the CellNet thread.
void* cellNetPtr = le_ref_Lookup(RequestRefMap, requestRef);
if ( cellNetPtr == NULL )
{
LE_ERROR("Invalid cellular network request reference %p", requestRef);
}
else
{
LE_PRINT_VALUE("%p", requestRef);
le_ref_DeleteRef(RequestRefMap, requestRef);
uint32_t command = RELEASE_COMMAND;
le_event_Report(CommandEvent, &command, sizeof(command));
}
}
//--------------------------------------------------------------------------------------------------
void ni_Close
(
ni_IteratorRef_t iteratorRef ///< The iterator object to close.
)
//--------------------------------------------------------------------------------------------------
{
LE_ASSERT(iteratorRef != NULL);
LE_DEBUG("Closing iterator, <%p>.", iteratorRef);
LE_DEBUG_IF(iteratorRef->reference != NULL,
"Releasing associated reference, <%p>.",
iteratorRef->reference);
if (iteratorRef->reference)
{
le_ref_DeleteRef(IteratorRefMap, iteratorRef->reference);
iteratorRef->reference = 0;
}
iteratorRef->isClosed = true;
}
//--------------------------------------------------------------------------------------------------
void le_event_ClearFdHandler
(
le_event_FdHandlerRef_t handlerRef ///< [in] Reference to the handler.
)
//--------------------------------------------------------------------------------------------------
{
// Look up the Handler object using the safe reference provided.
// Note that the safe reference map is shared by all threads in the process, so it
// must be protected using the mutex. The Handler objects, on the other
// hand, are only allowed to be accessed by the one thread that created them, so it is
// safe to unlock the mutex after doing the safe reference lookup.
LOCK
Handler_t* handlerPtr = le_ref_Lookup(HandlerRefMap, handlerRef);
UNLOCK
LE_FATAL_IF(handlerPtr == NULL, "FD event handler %p doesn't exist!", handlerRef);
FdMonitor_t* monitorPtr = handlerPtr->monitorPtr;
LE_FATAL_IF(thread_GetEventRecPtr() != monitorPtr->threadRecPtr,
"FD Monitor '%s' (fd %d) is owned by another thread.",
monitorPtr->name,
monitorPtr->fd);
LE_ASSERT(handlerPtr->handlerFunc != NULL);
le_event_FdEventType_t eventType = INDEX_OF_ARRAY_MEMBER(monitorPtr->handlerArray, handlerPtr);
LE_ASSERT(eventType < LE_EVENT_NUM_FD_EVENT_TYPES);
// Clear the Handler object.
handlerPtr->handlerFunc = NULL;
handlerPtr->contextPtr = NULL;
LOCK
le_ref_DeleteRef(HandlerRefMap, handlerPtr->safeRef);
UNLOCK
handlerPtr->safeRef = NULL;
// Disable the monitoring of this event.
DisableFdMonitoring(monitorPtr, eventType);
}
//--------------------------------------------------------------------------------------------------
static void DestroyAllOwnedSessions
(
le_msg_SessionRef_t sessionRef,
void* contextPtr
)
{
le_ref_IterRef_t it = le_ref_GetIterator(SessionRefMap);
le_result_t iterRes = le_ref_NextNode(it);
while (iterRes == LE_OK)
{
mqtt_Session* s = le_ref_GetValue(it);
LE_ASSERT(s != NULL);
mqtt_SessionRef_t sRef = (mqtt_SessionRef_t)(le_ref_GetSafeRef(it));
LE_ASSERT(sRef != NULL);
// Advance the interator before deletion to prevent invalidation
iterRes = le_ref_NextNode(it);
if (s->clientSession == sessionRef)
{
DestroySessionInternal(s);
le_ref_DeleteRef(SessionRefMap, sRef);
}
}
}
