WebRTC Turn/Stun config

frontend/WebRTC.ts

@@ -26,17 +26,14 @@ export default class WebRTC
     public events : { [eventname:string]: Function[] } = {};
     public channel : RTCDataChannel | undefined;
 
-    public peer? : Peer;
+    public static defaultRTCConfig : RTCConfiguration = {
-
-    public FileTransportChannel? : P2PFileSender;
-
-    constructor()
-    {
-        this.rtc = new RTCPeerConnection({
         iceCandidatePoolSize: 0,
         iceTransportPolicy:"all",
         rtcpMuxPolicy:"require",
-            iceServers:[{
+    };
+
+
+    public static defaultICEServers : RTCIceServer[] = [{
         urls: "stun:stun.l.google.com:19302"
     },{
         urls: "stun:stun1.l.google.com:19302"
@@ -46,8 +43,36 @@ export default class WebRTC
         urls: "stun:stun3.l.google.com:19302"
     },{
         urls: "stun:stun4.l.google.com:19302"
-            }]
+    }];
-        });
+
+    public peer? : Peer;
+
+    public FileTransportChannel? : P2PFileSender;
+
+    constructor(
+        rtcConfig?: RTCConfiguration,
+        rtcServers?: RTCIceServer[]
+    )
+    {
+        let config : any = {};
+
+        if(rtcConfig)
+        {
+            Object.assign(
+                config,
+                WebRTC.defaultRTCConfig,
+                rtcConfig
+            )
+        }else{
+            Object.assign(
+                config,
+                WebRTC.defaultRTCConfig
+            )
+        }
+
+        config.iceServers = rtcServers || WebRTC.defaultICEServers;
+
+        this.rtc = new RTCPeerConnection(config as RTCConfiguration);
         this.rtc.addEventListener("connectionstatechange",()=>{
             this.eventConnectionState();
         })