bsc_msc_ip: Keep track of active connections so we could clear them.

Keep track of SCCP connections so we can clear them
when the MSC is going down.

2 files changed, 6 insertions, 0 deletions

diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 88f8ab31b..6005dee6a 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -138,6 +138,9 @@ struct bss_sccp_connection_data {
 
 	struct llist_head sccp_queue;
 	unsigned int sccp_queue_size;
+
+	/* Active connections */
+	struct llist_head active_connections;
 };
 
 #define GSM0808_T10_VALUE	6, 0
diff --git a/openbsc/src/bsc_msc_ip.c b/openbsc/src/bsc_msc_ip.c
index e95f0050e..b8f2279a0 100644
--- a/openbsc/src/bsc_msc_ip.c
+++ b/openbsc/src/bsc_msc_ip.c
@@ -60,6 +60,7 @@ static const char *config_file = "openbsc.cfg";
 static char *msc_address = "127.0.0.1";
 static struct write_queue msc_queue;
 static struct in_addr local_addr;
+static LLIST_HEAD(active_connections);
 extern int ipacc_rtp_direct;
 
 extern int bsc_bootstrap_network(int (*layer4)(struct gsm_network *, int, void *), const char *cfg_file);
@@ -77,6 +78,7 @@ struct bss_sccp_connection_data *bss_sccp_create_data()
 
 	INIT_LLIST_HEAD(&data->sccp_queue);
 	INIT_LLIST_HEAD(&data->gsm_queue);
+	llist_add_tail(&data->active_connections, &active_connections);
 	return data;
 }
 
@@ -86,6 +88,7 @@ void bss_sccp_free_data(struct bss_sccp_connection_data *data)
 	bsc_del_timer(&data->sccp_it);
 	bsc_free_queued(data->sccp);
 	bts_free_queued(data);
+	llist_del(&data->active_connections);
 	talloc_free(data);
 }