[sr-dev] git:5.0:5f26a4e8: evapi: enable tcp keepalive on client connections

[Victor Seva]

Module: kamailio
Branch: 5.0
Commit: 5f26a4e8c55cdf5a5a7eaf6864c4f5213d321293
URL: https://github.com/kamailio/kamailio/commit/5f26a4e8c55cdf5a5a7eaf6864c4f5213d321293

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Victor Seva <linuxmaniac at torreviejawireless.org>
Date: 2017-11-29T13:53:10+01:00

evapi: enable tcp keepalive on client connections

(cherry picked from commit d340582267174ccb0a5d816049c582fe75d2177b)

---

Modified: src/modules/evapi/evapi_dispatch.c

---

Diff:  https://github.com/kamailio/kamailio/commit/5f26a4e8c55cdf5a5a7eaf6864c4f5213d321293.diff
Patch: https://github.com/kamailio/kamailio/commit/5f26a4e8c55cdf5a5a7eaf6864c4f5213d321293.patch

---

diff --git a/src/modules/evapi/evapi_dispatch.c b/src/modules/evapi/evapi_dispatch.c
index 3aa5288c7f..9fcde59f39 100644
--- a/src/modules/evapi/evapi_dispatch.c
+++ b/src/modules/evapi/evapi_dispatch.c
@@ -450,6 +450,8 @@ void evapi_accept_client(struct ev_loop *loop, struct ev_io *watcher, int revent
 	struct ev_io *evapi_client;
 	int i;
 	evapi_env_t evenv;
+	int optval;
+	socklen_t optlen;
 
 	evapi_client = (struct ev_io*) malloc (sizeof(struct ev_io));
 	if(evapi_client==NULL) {
@@ -496,6 +498,12 @@ void evapi_accept_client(struct ev_loop *loop, struct ev_io *watcher, int revent
 					return;
 				}
 			}
+			optval = 1;
+			optlen = sizeof(optval);
+			if(setsockopt(csock, SOL_SOCKET, SO_KEEPALIVE,
+						&optval, optlen) < 0) {
+				LM_WARN("failed to enable keepalive on socket %d\n", csock);
+			}
 			_evapi_clients[i].connected = 1;
 			_evapi_clients[i].sock = csock;
 			_evapi_clients[i].af = caddr.sa_family;