SFU support added, SFU configured, IPC support session server added

WebServers/SFU/config.js

@@ -11,7 +11,7 @@ for(let arg of process.argv){
 }
 
 const config = {
-  signallingURL: "ws://localhost:8889",
+  signallingURL: "ws://localhost:0000",
 
   mediasoup: {
     worker: {
@@ -25,7 +25,7 @@ const config = {
         "rtp",
         "srtp",
         "rtcp",
-        "sctp"
+        "sctp",
         // 'rtx',
         // 'bwe',
         // 'score',

WebServers/SFU/package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "mediasoup_prebuilt": "^3.8.4",
         "mediasoup-sdp-bridge": "file:mediasoup-sdp-bridge",
+        "run-script-os": "^1.1.6",
         "ws": "^7.1.2"
       }
     },
@@ -176,6 +177,15 @@
       "resolved": "https://registry.npmjs.org/random-number/-/random-number-0.0.9.tgz",
       "integrity": "sha512-ipG3kRCREi/YQpi2A5QGcvDz1KemohovWmH6qGfboVyyGdR2t/7zQz0vFxrfxpbHQgPPdtVlUDaks3aikD1Ljw=="
     },
+    "node_modules/run-script-os": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/run-script-os/-/run-script-os-1.1.6.tgz",
+      "integrity": "sha512-ql6P2LzhBTTDfzKts+Qo4H94VUKpxKDFz6QxxwaUZN0mwvi7L3lpOI7BqPCq7lgDh3XLl0dpeXwfcVIitlrYrw==",
+      "bin": {
+        "run-os": "index.js",
+        "run-script-os": "index.js"
+      }
+    },
     "node_modules/sdp-transform": {
       "version": "2.14.1",
       "resolved": "https://registry.npmjs.org/sdp-transform/-/sdp-transform-2.14.1.tgz",
@@ -346,6 +356,11 @@
       "resolved": "https://registry.npmjs.org/random-number/-/random-number-0.0.9.tgz",
       "integrity": "sha512-ipG3kRCREi/YQpi2A5QGcvDz1KemohovWmH6qGfboVyyGdR2t/7zQz0vFxrfxpbHQgPPdtVlUDaks3aikD1Ljw=="
     },
+    "run-script-os": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/run-script-os/-/run-script-os-1.1.6.tgz",
+      "integrity": "sha512-ql6P2LzhBTTDfzKts+Qo4H94VUKpxKDFz6QxxwaUZN0mwvi7L3lpOI7BqPCq7lgDh3XLl0dpeXwfcVIitlrYrw=="
+    },
     "sdp-transform": {
       "version": "2.14.1",
       "resolved": "https://registry.npmjs.org/sdp-transform/-/sdp-transform-2.14.1.tgz",

WebServers/SFU/sfu_server.js

@@ -1,4 +1,17 @@
+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)
+}
+
 const config = require('./config');
+config.signallingURL = 'ws://localhost:' + server_settings.sfu_port
 const WebSocket = require('ws');
 const mediasoup = require('mediasoup_prebuilt');
 const mediasoupSdp = require('mediasoup-sdp-bridge');
@@ -12,13 +25,17 @@ function connectSignalling(server) {
   console.log("Connecting to Signalling Server at %s", server);
   signalServer = new WebSocket(server);
   signalServer.addEventListener("open", _ => { console.log(`Connected to signalling server`); });
-  signalServer.addEventListener("error", result => { console.log(`Error: ${result.message}`); });
+  signalServer.addEventListener("error", result => { console.log(`Error: ${result.message}`); process.exit()});
   signalServer.addEventListener("message", result => onSignallingMessage(result.data));
   signalServer.addEventListener("close", result => { 
     console.log(`Disconnected from signalling server: ${result.code} ${result.reason}`);
     console.log("Attempting reconnect to signalling server...");
+    process.exit()
+    let death_count = 0
     setTimeout(()=> { 
       connectSignalling(server);
+      if ((++death_count) > 2)
+        process.exit()
     }, 2000); 
   });
 }

WebServers/SignallingWebServer/cirrus.js

@@ -16,11 +16,13 @@ try {
 var express = require('express');
 var app = express();
 
+const {fork} = require('node:child_process')
 const fs = require('fs');
 const path = require('path');
 const querystring = require('querystring');
 const bodyParser = require('body-parser');
 const logging = require('./modules/logging.js');
+var request = require('request')
 logging.RegisterConsoleLogger();
 
 // Command line argument --configFile needs to be checked before loading the config, all other command line arguments are dealt with through the config object
@@ -52,7 +54,33 @@ const config = require('./modules/config.js').init(configFile, defaultConfig);
 
 config.StreamerPort = server_settings.app_port
 config.HttpPort = server_settings.webrtc_port
-config.SFUPort = 0
+config.SFUPort = server_settings.sfu_port
+const session_server_url = server_settings.session_server_url
+const session_id = server_settings.session_id
+const useSFU = true
+console.log('useSFU: ', useSFU)
+
+function runSFU() {
+	const sfu_file_path = __dirname + '/../SFU/sfu_server.js'
+	if (!fs.existsSync(sfu_file_path)) {
+		console.logColor(logging.Red, 'can not run sfu: sfu file not exists!')
+		return
+	}
+
+	try {
+		var sfu_proc_args = JSON.stringify({sfu_port:config.SFUPort})
+		fork(sfu_file_path, [sfu_proc_args], {
+			detached: true
+		})
+	} catch (err) {
+		console.error(err)
+		return null
+	}
+}
+
+if (useSFU) {
+	runSFU()
+}
 
 if (config.LogToFile) {
 	logging.RegisterFileLogger('./logs/');
@@ -552,6 +580,22 @@ var has_player_ever_connected = false
 var last_player_connection_time
 
 const check_players = () => {
+	// update player count on session server
+	try {
+		request.post(
+			session_server_url + '/cirrus/update_users_count',
+			{ json: { session_id: session_id, users_count: playerCount } },
+			function (error, response, body) {
+				if (!error && response.statusCode == 200) {
+					console.log(body);
+				}
+			}
+		)
+	} catch (e) {
+		console.log(e)
+	}
+
+
 	// if first player connection timeout reached destory session
 	if (!has_player_ever_connected) {
 		has_player_ever_connected = playerCount > 0
@@ -573,6 +617,7 @@ const check_players = () => {
 		}
 		console.log('reconnection time: ', (get_time_in_seconds() - last_player_connection_time))
 		if ((get_time_in_seconds() - last_player_connection_time) > player_reconnection_timeout) {
+			//console.log('should exit, but wont for debug')
 			exit()
 		}
 	}
@@ -588,6 +633,7 @@ start_players_check()
 console.logColor(logging.Green, `WebSocket listening for Players connections on :${httpPort}`);
 let playerServer = new WebSocket.Server({ server: config.UseHTTPS ? https : http});
 playerServer.on('connection', function (ws, req) {
+	
 	// Reject connection if streamer is not connected
 	if (!streamer || streamer.readyState != 1 /* OPEN */) {
 		ws.close(1013 /* Try again later */, 'Streamer is not connected');
@@ -597,7 +643,7 @@ playerServer.on('connection', function (ws, req) {
 	var url = require('url');
 	const parsedUrl = url.parse(req.url);
 	const urlParams = new URLSearchParams(parsedUrl.search);
-	const preferSFU = urlParams.has('preferSFU') && urlParams.get('preferSFU') !== 'false';
+	const preferSFU = useSFU//urlParams.has('preferSFU') && urlParams.get('preferSFU') !== 'false';
 	const skipSFU = !preferSFU;
 	const skipStreamer = preferSFU && sfu;
 

WebServers/SignallingWebServer/scripts/app.js

@@ -4,6 +4,8 @@
  * Class definitions
  * TODO: Move these to seperate files once we introduce a bundler
  */
+
+
 class TwoWayMap {
     constructor(map = {}) {
         this.map = map;
@@ -881,7 +883,7 @@ function setupHtmlEvents() {
     }
 
     // Setup toggle and pair with some URL query string param.
-    setupToggleWithUrlParams("prefer-sfu-tgl", "preferSFU");
+    //setupToggleWithUrlParams("prefer-sfu-tgl", "preferSFU");
     setupToggleWithUrlParams("use-mic-tgl", "useMic");
     setupToggleWithUrlParams("force-turn-tgl", "ForceTURN");
     setupToggleWithUrlParams("force-mono-tgl", "ForceMonoAudio");

WebServers/SignallingWebServer/scripts/webRtcPlayer.js

@@ -75,7 +75,8 @@ function webRtcPlayer(parOptions) {
     }
 
     // Prefer SFU or P2P connection
-    this.preferSFU = urlParams.has('preferSFU');
+    this.preferSFU = true//urlParams.has('preferSFU');
+    console.log('USING SFU: ', this.preferSFU)
     console.log(this.preferSFU ? 
         "The browser will signal it would prefer an SFU connection. Remove ?preferSFU from the url to signal for P2P usage." :
         "The browser will signal for a P2P connection. Pass ?preferSFU in the url to signal for SFU usage.");

WebServers/package-lock.json

@@ -0,0 +1,772 @@
+{
+  "name": "WebServers",
+  "lockfileVersion": 2,
+  "requires": true,
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+      }
+    },
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
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+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/asn1": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
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+        "safer-buffer": "~2.1.0"
+      }
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+}

WebServers/package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "request": "^2.88.2"
+  }
+}