bsc_api: Add init, dispatch the clear request when a channel is going missing
diff --git a/openbsc/src/bsc_api.c b/openbsc/src/bsc_api.c
index 070606d..93b6210 100644
--- a/openbsc/src/bsc_api.c
+++ b/openbsc/src/bsc_api.c
@@ -1,6 +1,7 @@
/* GSM 08.08 like API for OpenBSC. The bridge from MSC to BSC */
/* (C) 2010 by Holger Hans Peter Freyther
+ * (C) 2010 by On Waves
* (C) 2009 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
@@ -22,8 +23,17 @@
*/
#include <openbsc/bsc_api.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/signal.h>
#include <openbsc/abis_rsl.h>
+#include <osmocore/talloc.h>
+
+int bsc_api_init(struct gsm_network *network, struct bsc_api *api)
+{
+ network->bsc_api = api;
+ return 0;
+}
int gsm0808_submit_dtap(struct gsm_subscriber_connection *conn,
struct msgb *msg, int link_id)
@@ -51,3 +61,30 @@
return work;
}
+
+static int bsc_handle_lchan_signal(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ struct bsc_api *bsc;
+ struct gsm_lchan *lchan;
+
+ if (subsys != SS_LCHAN || signal != S_LCHAN_UNEXPECTED_RELEASE)
+ return 0;
+
+ lchan = (struct gsm_lchan *)signal_data;
+ if (!lchan)
+ return 0;
+
+
+ bsc = lchan->ts->trx->bts->network->bsc_api;
+ if (!bsc || !bsc->clear_request)
+ return 0;
+
+ bsc->clear_request(&lchan->conn, 0);
+ return 0;
+}
+
+static __attribute__((constructor)) void on_dso_load_bsc(void)
+{
+ register_signal_handler(SS_LCHAN, bsc_handle_lchan_signal, NULL);
+}
\ No newline at end of file