command line arguments support added, webrtc config improved for p2p

WebServers/SignallingWebServer/cirrus.js

@@ -1,6 +1,19 @@
 // Copyright Epic Games, Inc. All Rights Reserved.
 
+
+
 //-- Server side logic. Serves pixel streaming WebRTC-based page, proxies data back to Streamer --//
+var server_settings = process.argv.slice(2)
+if (!server_settings) {
+	process.exit(1)
+}
+
+try {
+	server_settings = JSON.parse(server_settings)
+} catch (err) {
+	console.log('can not process arguments')
+	process.exit(1)
+}
 
 var express = require('express');
 var app = express();
@@ -39,6 +52,10 @@ var configFile = (typeof argv.configFile != 'undefined') ? argv.configFile.toStr
 console.log(`configFile ${configFile}`);
 const config = require('./modules/config.js').init(configFile, defaultConfig);
 
+config.StreamerPort = server_settings.app_port
+config.HttpPort = server_settings.webrtc_port
+config.SFUPort = 0
+
 if (config.LogToFile) {
 	logging.RegisterFileLogger('./logs/');
 }