# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1664166534 28800
# Node ID 423610bb2c9e3c3080d03e000429c3c3791719d6
# Parent  9aed16c30622edfec15e5089adbbe4bf203d3ddc
sip-in: send MDCX to TMGW to connect the call through

diff -r 9aed16c30622 -r 423610bb2c9e sip-in/mgw_ops.c
--- a/sip-in/mgw_ops.c	Sun Sep 25 20:05:02 2022 -0800
+++ b/sip-in/mgw_ops.c	Sun Sep 25 20:28:54 2022 -0800
@@ -12,6 +12,7 @@
 #include <string.h>
 #include <strings.h>
 #include <syslog.h>
+#include "../include/gsm48_const.h"
 #include "../include/tmgw_ctrl.h"
 #include "../include/tmgw_const.h"
 #include "call.h"
@@ -150,11 +151,64 @@
 }
 
 static void
+handle_mdcx_fail(call, msg)
+	struct call *call;
+	struct tmgw_ctrl_resp *msg;
+{
+	call->overall_state = OVERALL_STATE_TEARDOWN;
+	switch (msg->res) {
+	case TMGW_RESP_ERR_RSRC:
+		disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
+				GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
+		strcpy(call->invite_fail,
+			"503 Gateway resource allocation failure");
+		break;
+	case TMGW_RESP_ERR_NOTSUP:
+		disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
+				GSM48_CC_CAUSE_BEARER_CA_UNAVAIL);
+		strcpy(call->invite_fail, "502 Gateway internal error");
+		break;
+	default:
+		disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU,
+				GSM48_CC_CAUSE_PROTO_ERR);
+		strcpy(call->invite_fail, "502 Gateway internal error");
+	}
+	signal_invite_error(call);
+}
+
+static void
 mdcx_response(call, msg)
 	struct call *call;
 	struct tmgw_ctrl_resp *msg;
 {
-	/* will be handled later */
+	if (msg->res == TMGW_RESP_OK) {
+		call->mgw_state = MGW_STATE_COMPLETE;
+		switch (call->overall_state) {
+		case OVERALL_STATE_ANSWERED:
+			signal_invite_200(call);
+			return;
+		case OVERALL_STATE_TEARDOWN:
+			tmgw_send_dlcx(call);
+			return;
+		default:
+		bad_state:
+			syslog(LOG_CRIT,
+			"FATAL: invalid overall state 0x%x on MDCX response",
+				call->overall_state);
+			exit(1);
+		}
+	} else {
+		tmgw_send_dlcx(call);
+		switch (call->overall_state) {
+		case OVERALL_STATE_ANSWERED:
+			handle_mdcx_fail(call, msg);
+			return;
+		case OVERALL_STATE_TEARDOWN:
+			return;
+		default:
+			goto bad_state;
+		}
+	}
 }
 
 static void
diff -r 9aed16c30622 -r 423610bb2c9e sip-in/mncc_handle.c
--- a/sip-in/mncc_handle.c	Sun Sep 25 20:05:02 2022 -0800
+++ b/sip-in/mncc_handle.c	Sun Sep 25 20:28:54 2022 -0800
@@ -76,8 +76,7 @@
 		signal_invite_error(call);
 		return;
 	}
-	/* TODO: send MDCX to themwi-mgw */
-	signal_invite_200(call);
+	tmgw_send_mdcx_connect(call);
 }
 
 static void