ike: Optionally use DPD to check if the current path still works

We could maybe check the duration of the last stale condition or when the last packet was sent as filter to avoid unnecessary updates.
2020-06-02 14:07:06 +02:00
parent 664389ebc4
commit 6524bd3cd5
2 changed files with 19 additions and 0 deletions
@@ -2708,6 +2708,14 @@ METHOD(ike_sa_t, roam, status_t,
 			this->task_manager->queue_mobike(this->task_manager, FALSE, TRUE);
 			return this->task_manager->initiate(this->task_manager);
 		}
+		if (lib->settings->get_bool(lib->settings,
+								"%s.check_current_path", FALSE, lib->ns) &&
+			!this->task_manager->busy(this->task_manager))
+		{
+			DBG1(DBG_IKE, "checking if current path still works using DPD");
+			this->task_manager->queue_dpd(this->task_manager);
+			return this->task_manager->initiate(this->task_manager);
+		}
 		return SUCCESS;
 	}