bsc_msc: Add a connection timeout for the MSC.
When no one is listening our connection would get stuck
in the SYN_SENT state and we would be there forever.
diff --git a/openbsc/src/bsc_msc.c b/openbsc/src/bsc_msc.c
index 69da7c3..2902f29 100644
--- a/openbsc/src/bsc_msc.c
+++ b/openbsc/src/bsc_msc.c
@@ -49,6 +49,14 @@
con->connection_loss(con);
}
+static void msc_con_timeout(void *_con)
+{
+ struct bsc_msc_connection *con = _con;
+
+ LOGP(DMSC, LOGL_ERROR, "MSC Connection timeout.\n");
+ bsc_msc_lost(con);
+}
+
static int bsc_msc_except(struct bsc_fd *bfd)
{
struct write_queue *wrt;
@@ -98,6 +106,7 @@
fd->when = BSC_FD_READ | BSC_FD_EXCEPT;
con->is_connected = 1;
+ bsc_del_timer(&con->timeout_timer);
LOGP(DMSC, LOGL_NOTICE, "(Re)Connected to the MSC.\n");
if (con->connected)
con->connected(con);
@@ -165,6 +174,9 @@
LOGP(DMSC, LOGL_ERROR, "MSC Connection in progress\n");
fd->when = BSC_FD_WRITE;
fd->cb = msc_connection_connect;
+ con->timeout_timer.cb = msc_con_timeout;
+ con->timeout_timer.data = con;
+ bsc_schedule_timer(&con->timeout_timer, 20, 0);
} else if (ret < 0) {
perror("Connection failed");
connection_loss(con);