- Fix memory leak when pipe event is sent and there is no client. Fix issue #447 (#448)

- Fix memory leak when pipe event is sent and there is no client process(es) subscribed to this event

Author: taurel

cppapi/server/pipe.cpp

@@ -790,7 +790,12 @@ void Pipe::fire_event(DeviceImpl *dev,DevicePipeBlob *p_data,struct timeval &t,b
 	delta_subscription = now - event_subscription;
 
 	if (delta_subscription >= EVENT_RESUBSCRIBE_PERIOD)
+	{
+		p_data->reset_insert_ctr();
+		DevVarPipeDataEltArray *tmp_ptr = p_data->get_insert_data();
+		delete tmp_ptr;
 		return;
+	}
 
 //
 // Get the event supplier, and simply return if not created
@@ -803,6 +808,9 @@ void Pipe::fire_event(DeviceImpl *dev,DevicePipeBlob *p_data,struct timeval &t,b
 
 	if (event_supplier_zmq == NULL)
 	{
+		p_data->reset_insert_ctr();
+		DevVarPipeDataEltArray *tmp_ptr = p_data->get_insert_data();
+		delete tmp_ptr;
 		return;
 	}