# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1662673182 28800
# Node ID d61d0136f6a5e5ee7e0a95fd937903b6352ddaa7
# Parent  7005d5c535e8ba120f9112bb28f31fa58ccb87e0
sip-in INVITE processing: return "GSM service is offline" indication

diff -r 7005d5c535e8 -r d61d0136f6a5 sip-in/invite.c
--- a/sip-in/invite.c	Thu Sep 08 13:25:31 2022 -0800
+++ b/sip-in/invite.c	Thu Sep 08 13:39:42 2022 -0800
@@ -159,4 +159,10 @@
 			return;
 	}
 	/* SIP INVITE validation done - check if GSM service is up */
+	rc = connect_gsm_mtcall();
+	if (rc < 0) {
+		start_response_out_msg(&resp, "480 GSM service is offline");
+		goto error_resp;
+	}
+	/* stateful processing begins */
 }
diff -r 7005d5c535e8 -r d61d0136f6a5 sip-in/mncc_sock.c
--- a/sip-in/mncc_sock.c	Thu Sep 08 13:25:31 2022 -0800
+++ b/sip-in/mncc_sock.c	Thu Sep 08 13:39:42 2022 -0800
@@ -33,6 +33,7 @@
 	rc = connect(gsm_socket, (struct sockaddr *) &sa, sa_len);
 	if (rc < 0) {
 		syslog(LOG_ERR, "connect to %s: %m", mtcall_socket_pathname);
+		close(gsm_socket);
 		return(-1);
 	}
 	update_max_fd(gsm_socket);