TT#14008 allow usage with just HTTP/WS

closes #1246

Change-Id: I5fc5ebd462589f0f585b8afce4908a6ac4a94bbb

daemon/main.c

@@ -520,8 +520,11 @@ static void options(int *argc, char ***argv) {
 
 	if (!if_a)
 		die("Missing option --interface");
-	if (!listenps && !listenudps && !listenngs && !listenngtcps)
-		die("Missing option --listen-tcp, --listen-udp or --listen-ng or --listen-tcp-ng");
+	if (!listenps && !listenudps && !listenngs && !listenngtcps
+			&& !(rtpe_config.http_ifs && rtpe_config.http_ifs[0])
+			&& !(rtpe_config.https_ifs && rtpe_config.https_ifs[0]))
+		die("Missing option --listen-tcp, --listen-udp, --listen-ng, --listen-tcp-ng, "
+				"--listen-http, or --listen-https");
 
 	struct ifaddrs *ifas;
 	if (getifaddrs(&ifas)) {

daemon/rtpengine.pod

@@ -4,7 +4,7 @@ rtpengine - NGCP proxy for RTP and other UDP based media traffic
 
 =head1 SYNOPSIS
 
-B<rtpengine> B<--interface>=I<addr>... B<--listen-tcp>|B<--listen-udp>|B<--listen-ng>|B<--listen-tcp-ng>=I<addr>... [I<option>...]
+B<rtpengine> B<--interface>=I<addr>... B<--listen-tcp>|B<--listen-udp>|B<--listen-ng>|B<--listen-tcp-ng>|B<--listen-http>|B<--listen-https>=I<addr>... [I<option>...]
 
 =head1 DESCRIPTION