msc: Create a dummy operation to keep the channel open for five seconds
* We should create the transaction for SMS, CC on the CM Service Request
but for now we will use a band aid and create a dummy operarion to wait
five seconds for the transaction to be opened.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index 7bf30e7..e10177d 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -63,6 +63,7 @@
static int gsm48_tx_simple(struct gsm_subscriber_connection *conn,
u_int8_t pdisc, u_int8_t msg_type);
static void schedule_reject(struct gsm_subscriber_connection *conn);
+static void release_anchor(struct gsm_subscriber_connection *conn);
struct gsm_lai {
u_int16_t mcc;
@@ -218,6 +219,9 @@
if (!conn->loc_operation)
return;
+ /* No need to keep the connection up */
+ release_anchor(conn);
+
bsc_del_timer(&conn->loc_operation->updating_timer);
talloc_free(conn->loc_operation);
conn->loc_operation = 0;
@@ -294,6 +298,7 @@
*/
release_loc_updating_req(conn);
release_security_operation(conn);
+ release_anchor(conn);
/* Free all transactions that are associated with the released lchan */
/* FIXME: this is not neccessarily the right thing to do, we should
@@ -3076,6 +3081,37 @@
return rc;
}
+/* Create a dummy to wait five seconds */
+static void release_anchor(struct gsm_subscriber_connection *conn)
+{
+ if (!conn->anch_operation)
+ return;
+
+ bsc_del_timer(&conn->anch_operation->timeout);
+ talloc_free(conn->anch_operation);
+ conn->anch_operation = NULL;
+}
+
+static void anchor_timeout(void *_data)
+{
+ struct gsm_subscriber_connection *con = _data;
+
+ release_anchor(con);
+ msc_release_connection(con);
+}
+
+int gsm0408_new_conn(struct gsm_subscriber_connection *conn)
+{
+ conn->anch_operation = talloc_zero(conn, struct gsm_anchor_operation);
+ if (!conn->anch_operation)
+ return -1;
+
+ conn->anch_operation->timeout.data = conn;
+ conn->anch_operation->timeout.cb = anchor_timeout;
+ bsc_schedule_timer(&conn->anch_operation->timeout, 5, 0);
+ return 0;
+}
+
/* here we get data from the BSC level... */
int gsm0408_dispatch(struct gsm_subscriber_connection *conn, struct msgb *msg)
{
@@ -3088,6 +3124,7 @@
switch (pdisc) {
case GSM48_PDISC_CC:
+ release_anchor(conn);
rc = gsm0408_rcv_cc(conn, msg);
break;
case GSM48_PDISC_MM:
@@ -3097,6 +3134,7 @@
rc = gsm0408_rcv_rr(conn, msg);
break;
case GSM48_PDISC_SMS:
+ release_anchor(conn);
rc = gsm0411_rcv_sms(conn, msg);
break;
case GSM48_PDISC_MM_GPRS:
@@ -3105,6 +3143,7 @@
"GSM 04.08 discriminator 0x%02x\n", pdisc);
break;
case GSM48_PDISC_NC_SS:
+ release_anchor(conn);
rc = handle_rcv_ussd(conn, msg);
break;
default: