Raise an alert if half-open timeout limit reached

src/libcharon/bus/bus.h

@@ -107,6 +107,8 @@ enum alert_t {
 	ALERT_RETRANSMIT_SEND_TIMEOUT,
 	/** received a retransmit for a message, argument is message_t */
 	ALERT_RETRANSMIT_RECEIVE,
+	/** received half-open timeout before IKE_SA established, no argument */
+	ALERT_HALF_OPEN_TIMEOUT,
 	/** IKE proposals do not match, argument is linked_list_t of proposal_t */
 	ALERT_PROPOSAL_MISMATCH_IKE,
 	/** CHILD proposals do not match, argument is linked_list_t of proposal_t */

src/libcharon/processing/jobs/delete_ike_sa_job.c

@@ -84,6 +84,7 @@ METHOD(job_t, execute, job_requeue_t,
 			else
 			{
 				DBG1(DBG_JOB, "deleting half open IKE_SA after timeout");
+				charon->bus->alert(charon->bus, ALERT_HALF_OPEN_TIMEOUT);
 				charon->ike_sa_manager->checkin_and_destroy(
 												charon->ike_sa_manager, ike_sa);
 			}