libgtp: implement gtp_clear_queues to clear req/resp queue
Clearing the request and response queue is useful for debugging
to reset "some" state. Otherwise some tests will get un-expected
packets.
Change-Id: I279d1d7cbf5d37dd5609c2b968f317fe9a0e348d
diff --git a/gtp/gtp.c b/gtp/gtp.c
index 1d58088..b98fba0 100644
--- a/gtp/gtp.c
+++ b/gtp/gtp.c
@@ -496,6 +496,24 @@
return 0;
}
+
+/**
+ * @brief clear the request and response queue. Useful for debugging to reset "some" state.
+ * @param gsn The GGSN instance
+ */
+void gtp_clear_queues(struct gsn_t *gsn)
+{
+ struct qmsg_t *qmsg;
+
+ while (!queue_getfirst(gsn->queue_req, &qmsg)) {
+ queue_freemsg(gsn->queue_req, qmsg);
+ }
+
+ while (!queue_getfirst(gsn->queue_resp, &qmsg)) {
+ queue_freemsg(gsn->queue_resp, qmsg);
+ }
+}
+
/* gtp_conf
* Remove signalling packet from retransmission queue.
* return 0 on success, EOF if packet was not found */
diff --git a/gtp/gtp.h b/gtp/gtp.h
index ed594f1..5f35ab5 100644
--- a/gtp/gtp.h
+++ b/gtp/gtp.h
@@ -369,6 +369,8 @@
struct pdp_t * pdp,
uint8_t recovery));
+void gtp_clear_queues(struct gsn_t *gsn);
+
/* Internal functions (not part of the API */
extern int gtp_echo_req(struct gsn_t *gsn, int version, void *cbp,