ussd: Add the hook where we can capture the Location Updating Request
diff --git a/include/bsc_ussd.h b/include/bsc_ussd.h
index 57eb4d4..69ad93c 100644
--- a/include/bsc_ussd.h
+++ b/include/bsc_ussd.h
@@ -22,4 +22,6 @@
#ifndef bsc_ussd_h
#define bsc_ussd_h
+int bsc_ussd_handle_out_msg(struct bsc_data *bsc, struct sccp_parse_result *result, struct msgb *msg);
+
#endif
diff --git a/src/bsc_ussd.c b/src/bsc_ussd.c
index 42d41c4..5c7e962 100644
--- a/src/bsc_ussd.c
+++ b/src/bsc_ussd.c
@@ -21,3 +21,19 @@
*/
#include <bsc_data.h>
+
+/*
+ * Check the msg and identify a Location Updating Request and see if the
+ * LAC is different to this one and then mark the CR message.
+ */
+int bsc_ussd_handle_out_msg(struct bsc_data *bsc, struct sccp_parse_result *result,
+ struct msgb *msg)
+{
+ /* Only search for this in the CR message */
+ if (sccp_determine_msg_type(msg) != SCCP_MSG_TYPE_CR)
+ return 0;
+
+ /* now check the kind of GSM message */
+
+ return 0;
+}
diff --git a/src/msc_conn.c b/src/msc_conn.c
index 902546f..b03dc5f 100644
--- a/src/msc_conn.c
+++ b/src/msc_conn.c
@@ -21,6 +21,7 @@
*/
#include <bsc_data.h>
+#include <bsc_ussd.h>
#include <bss_patch.h>
#include <bssap_sccp.h>
#include <ipaccess.h>
@@ -203,6 +204,8 @@
update_con_state(rc, &result, msg, 1, 0);
sls = sls_for_src_ref(result.destination_local_reference);
+ /* Check for Location Update Accept */
+
/* patch a possible PC */
bss_rewrite_header_to_bsc(msg, link->opc, link->dpc);
@@ -593,6 +596,8 @@
return;
}
+ bsc_ussd_handle_out_msg(bsc, result, _msg);
+
msg = msgb_alloc_headroom(4096, 128, "SCCP to MSC");
if (!msg) {
LOGP(DMSC, LOGL_ERROR, "Failed to alloc MSC msg.\n");