Add missing support for "who hung up" to chan_motif.

(closes issue ASTERISK-20671)
Reported by: Matt Jordan
Review: https://reviewboard.asterisk.org/r/2208/
........

Merged revisions 377462 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@377463 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_motif.c

@@ -2360,6 +2360,8 @@ static void jingle_action_session_terminate(struct jingle_endpoint *endpoint, st
 	struct ast_channel *chan;
 	iks *reason, *text;
 	int cause = AST_CAUSE_NORMAL;
+	struct ast_control_pvt_cause_code *cause_code;
+	int data_size = sizeof(*cause_code);
 
 	if (!session) {
 		jingle_send_error_response(endpoint->connection, pak, "cancel", "item-not-found xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'",
@@ -2377,6 +2379,10 @@ static void jingle_action_session_terminate(struct jingle_endpoint *endpoint, st
 	if ((reason = iks_find(pak->query, "reason")) && (text = iks_child(reason))) {
 		int i;
 
+		/* Size of the string making up the cause code is "Motif " + text */
+		data_size += 6 + strlen(iks_name(text));
+		cause_code = ast_malloc(data_size);
+
 		/* Get the appropriate cause code mapping for this reason */
 		for (i = 0; i < ARRAY_LEN(jingle_reason_mappings); i++) {
 			if (!strcasecmp(jingle_reason_mappings[i].reason, iks_name(text))) {
@@ -2384,8 +2390,21 @@ static void jingle_action_session_terminate(struct jingle_endpoint *endpoint, st
 				break;
 			}
 		}
+
+		/* Store the technology specific information */
+		snprintf(cause_code->code, data_size - sizeof(*cause_code) + 1, "Motif %s", iks_name(text));
+	} else {
+		/* No technology specific information is available */
+		cause_code = ast_malloc(data_size);
 	}
 
+	ast_copy_string(cause_code->chan_name, ast_channel_name(chan), AST_CHANNEL_NAME);
+	cause_code->ast_cause = cause;
+	ast_queue_control_data(chan, AST_CONTROL_PVT_CAUSE_CODE, cause_code, data_size);
+	ast_channel_hangupcause_hash_set(chan, cause_code, data_size);
+
+	ast_free(cause_code);
+
 	ast_debug(3, "Hanging up channel '%s' due to session terminate message with cause '%d'\n", ast_channel_name(chan), cause);
 	ast_queue_hangup_with_cause(chan, cause);
 	session->gone = 1;