add 908-retry-seconds gateway param to set reg retry time when getting a 908 for…

add 908-retry-seconds gateway param to set reg retry time when getting a 908 for backup interfaces to connect quickly

src/mod/endpoints/mod_sofia/mod_sofia.h

@@ -505,6 +505,7 @@ struct sofia_gateway {
 	switch_bool_t ping_monitoring;
 	uint8_t flags[REG_FLAG_MAX];
 	int32_t retry_seconds;
+	int32_t fail_908_retry_seconds;
 	int32_t reg_timeout_seconds;
 	int32_t failure_status;
 	reg_state_t state;

src/mod/endpoints/mod_sofia/sofia.c

@@ -3320,6 +3320,7 @@ static void parse_gateways(sofia_profile_t *profile, switch_xml_t gateways_tag)
 				*context = profile->context,
 				*expire_seconds = "3600",
 				*retry_seconds = "30",
+				*fail_908_retry_seconds = NULL,
 				*timeout_seconds = "60",
 				*from_user = "", *from_domain = NULL, *outbound_proxy = NULL, *register_proxy = NULL, *contact_host = NULL,
 				*contact_params = "", *params = NULL, *register_transport = NULL,
@@ -3434,6 +3435,8 @@ static void parse_gateways(sofia_profile_t *profile, switch_xml_t gateways_tag)
 					context = val;
 				} else if (!strcmp(var, "expire-seconds")) {
 					expire_seconds = val;
+				} else if (!strcmp(var, "908-retry-seconds")) {
+					fail_908_retry_seconds = val;
 				} else if (!strcmp(var, "retry-seconds")) {
 					retry_seconds = val;
 				} else if (!strcmp(var, "timeout-seconds")) {
@@ -3547,6 +3550,10 @@ static void parse_gateways(sofia_profile_t *profile, switch_xml_t gateways_tag)
 
 			gateway->retry_seconds = atoi(retry_seconds);
 
+			if (fail_908_retry_seconds) {
+				gateway->fail_908_retry_seconds = atoi(fail_908_retry_seconds);
+			}
+
 			if (gateway->retry_seconds < 5) {
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid retry-seconds of %d on gateway %s, using the value of 30 instead.\n",
 								  gateway->retry_seconds, name);

src/mod/endpoints/mod_sofia/sofia_reg.c

@@ -493,7 +493,9 @@ void sofia_reg_check_gateway(sofia_profile_t *profile, time_t now)
 			{
 				int sec;
 
-				if (gateway_ptr->failure_status == 503 || gateway_ptr->failure_status == 908 || gateway_ptr->failures < 1) {
+				if (gateway_ptr->fail_908_retry_seconds && gateway_ptr->failure_status == 908) {
+					sec = gateway_ptr->fail_908_retry_seconds;
+				} else if (gateway_ptr->failure_status == 503 || gateway_ptr->failure_status == 908 || gateway_ptr->failures < 1) {
 					sec = gateway_ptr->retry_seconds;
 				} else {
 					sec = gateway_ptr->retry_seconds * gateway_ptr->failures;