Client prototype, signaling server & PWA client

clientV/scripts/signal.js

@@ -0,0 +1,60 @@
+//connecting to our signaling server
+var conn = new WebSocket('ws://localhost:9090');
+  
+conn.onopen = function () { 
+   console.log("Connected to the signaling server"); 
+};
+  
+//when we got a message from a signaling server 
+conn.onmessage = function (msg) { 
+    console.log("Got message", msg.data);
+
+    var data = JSON.parse(msg.data); 
+
+    switch(data.type) { 
+        case "login": 
+            handleLogin(data.success); 
+            break; 
+        
+        case "offer": 
+            handleOffer(data.offer, data.name); 
+            break; 
+
+        case "answer": 
+            handleAnswer(data.answer, data.name); 
+            break; 
+        
+        case "candidate": 
+            handleCandidate(data.candidate, data.name); 
+            break; 
+
+        case "userlist":
+            handleUserlist(data);
+            break;
+
+        case "leave": 
+            handleLeave(); 
+            break; 
+
+        case "video-offer":
+            handleVideoOffer(data.sdp, data.name);
+            break;
+    
+        case "video-answer":
+            handleVideoAnswer(data.sdp, data.name);
+            break;
+
+        default: 
+            break; 
+    }
+};
+  
+conn.onerror = function (err) { 
+   console.log("Got error", err); 
+};
+
+//alias for sending JSON encoded messages 
+function send(message) {     
+    console.log("Sended message", message);
+    conn.send(JSON.stringify(message)); 
+ };