task-manager: Add retransmit cleared alert

src/libcharon/bus/bus.h

@@ -105,6 +105,9 @@ enum alert_t {
 	 * of the retransmit, if the message got fragmented only the first fragment
 	 * is passed */
 	ALERT_RETRANSMIT_SEND,
+	/** received response for retransmitted request, argument is packet_t, if
+	 * the message got fragmented only the first fragment is passed */
+	ALERT_RETRANSMIT_SEND_CLEARED,
 	/** sending retransmits timed out, argument is packet_t, if available and if
 	 *  the message got fragmented only the first fragment is passed */
 	ALERT_RETRANSMIT_SEND_TIMEOUT,

src/libcharon/sa/ikev1/task_manager_v1.c

@@ -1181,6 +1181,12 @@ static status_t process_response(private_task_manager_t *this,
 	}
 	enumerator->destroy(enumerator);
 
+	if (this->initiating.retransmitted)
+	{
+		packet_t *packet = NULL;
+		array_get(this->initiating.packets, 0, &packet);
+		charon->bus->alert(charon->bus, ALERT_RETRANSMIT_SEND_CLEARED, packet);
+	}
 	this->initiating.type = EXCHANGE_TYPE_UNDEFINED;
 	clear_packets(this->initiating.packets);
 

src/libcharon/sa/ikev2/task_manager_v2.c

@@ -695,6 +695,13 @@ static status_t process_response(private_task_manager_t *this,
 	}
 	enumerator->destroy(enumerator);
 
+	if (this->initiating.retransmitted)
+	{
+		packet_t *packet = NULL;
+		array_get(this->initiating.packets, 0, &packet);
+		charon->bus->alert(charon->bus, ALERT_RETRANSMIT_SEND_CLEARED, packet);
+	}
+
 	/* catch if we get resetted while processing */
 	this->reset = FALSE;
 	enumerator = array_create_enumerator(this->active_tasks);