adding api to release all calls/context during Subtract with Context ALL(C=*{S=*}) request processing

src/mod/endpoints/mod_media_gateway/media_gateway.c

@@ -781,6 +781,22 @@ switch_status_t megaco_profile_destroy(megaco_profile_t **profile)
 	return SWITCH_STATUS_SUCCESS;
 }
 
+switch_status_t mgco_process_mgc_failure(SuId suId)
+{
+	megaco_profile_t*    profile = NULL;
+
+	if(NULL == (profile = megaco_get_profile_by_suId(suId))){
+		return SWITCH_STATUS_FALSE;
+	}
+
+	if(0x01 == profile->peer_active){
+		/* MGC failure during active association , release all on-going calls contexts */
+		megaco_release_all_calls(profile);
+		profile->peer_active = 0x00;
+	}
+
+	return SWITCH_STATUS_SUCCESS;
+}
 
 switch_status_t mgco_init_ins_service_change(SuId suId)
 {

src/mod/endpoints/mod_media_gateway/media_gateway_cmd_handler.c

@@ -1335,7 +1335,7 @@ switch_status_t handle_mg_subtract_cmd(megaco_profile_t* mg_profile, MgMgcoComma
 
         switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO," SUB Request for ALL context \n");
 
-        /* TODO */
+		megaco_release_all_calls(mg_profile);
 
         /* As of now sending +ve response */
         goto response;

src/mod/endpoints/mod_media_gateway/media_gateway_stack.h

@@ -247,6 +247,8 @@ switch_status_t mg_activate_ito_timer(megaco_profile_t* profile);
 
 void mg_restart_inactivity_timer(megaco_profile_t* profile);
 
+switch_status_t mgco_process_mgc_failure(SuId suId);
+
 
 /****************************************************************************************************************/
 /* MG Stack defines */

src/mod/endpoints/mod_media_gateway/media_gateway_stack_alarms.c

@@ -76,6 +76,7 @@ void handle_mg_alarm(Pst *pst, MgMngmt *usta)
 	{
         case LMG_EVENT_ALL_MGC_FAILED:
             {
+				//mgco_process_mgc_failure(usta->t.usta.alarmInfo.sapId);
                 len = len + sprintf(prBuf+len, "ALL MGC Failed ");
                 break;
             }

src/mod/endpoints/mod_media_gateway/mod_media_gateway.c

@@ -230,6 +230,25 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_media_gateway_shutdown)
     return SWITCH_STATUS_SUCCESS;
 }
 
+/*****************************************************************************************************************************/
+switch_status_t megaco_release_all_calls(megaco_profile_t* mg_profile)
+{
+	mg_context_t* ctx = NULL;
+	uint32_t  context_id = 0x00;
+
+	if(NULL == mg_profile) return SWITCH_STATUS_FALSE;
+
+	for (context_id = 0; context_id < MG_MAX_CONTEXTS; context_id++) {
+			ctx = megaco_get_context(mg_profile, context_id);
+			if(NULL == ctx) continue;
+
+			megaco_context_sub_all_termination(ctx);
+			megaco_release_context(ctx);
+	}
+
+    return SWITCH_STATUS_SUCCESS;
+}
+
 /*****************************************************************************************************************************/
 switch_status_t megaco_start_all_profiles()
 {

src/mod/endpoints/mod_media_gateway/mod_media_gateway.h

@@ -332,6 +332,7 @@ mg_termination_t* megaco_find_termination_by_span_chan(megaco_profile_t *profile
 switch_status_t megaco_start_all_profiles(void);
 switch_status_t megaco_profile_start(const char *profilename);
 switch_status_t megaco_profile_destroy(megaco_profile_t **profile);
+switch_status_t megaco_release_all_calls(megaco_profile_t* mg_profile);
 
 uint32_t mg_rtp_request_id(megaco_profile_t *profile);
 void mg_rtp_release_id(megaco_profile_t *profile, uint32_t id);