add logging for websockets

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

Author: mahibi

app/src/main/java/com/nextcloud/talk/webrtc/WebSocketConnectionHelper.java

@@ -86,10 +86,13 @@ public static synchronized WebSocketInstance getExternalSignalingInstanceForServ
                 // already retries on its own, so creating a second instance here would leave the first one
                 // running unsupervised in the background, opening a parallel connection to the signaling
                 // server for the same user.
+                Log.d(TAG, "Reusing webSocketInstance " + webSocketInstance.hashCode() + " for userId " + userId);
                 return webSocketInstance;
             }
         }
 
+        Log.d(TAG, "Creating new webSocketInstance for userId " + userId);
+
         WebSocketInstance webSocketInstance = new WebSocketInstance(user, generatedURL, webSocketTicket);
         webSocketInstanceMap.put(user.getId(), webSocketInstance);
         return webSocketInstance;

app/src/main/java/com/nextcloud/talk/webrtc/WebSocketInstance.kt

@@ -118,12 +118,17 @@ class WebSocketInstance internal constructor(conversationUser: User, connectionU
     }
 
     override fun onOpen(webSocket: WebSocket, response: Response) {
-        Log.d(TAG, "Open webSocket")
+        val previousWebSocket = internalWebSocket
+        Log.d(
+            TAG,
+            "Open webSocket ${webSocket.hashCode()} (previous was ${previousWebSocket?.hashCode()})"
+        )
         internalWebSocket = webSocket
         sendHello()
     }
 
     private fun closeWebSocket(webSocket: WebSocket) {
+        Log.d(TAG, "closeWebSocket ${webSocket.hashCode()}")
         webSocket.close(NORMAL_CLOSURE, null)
         webSocket.cancel()
         if (webSocket !== internalWebSocket) {
@@ -392,16 +397,17 @@ class WebSocketInstance internal constructor(conversationUser: User, connectionU
     }
 
     override fun onClosing(webSocket: WebSocket, code: Int, reason: String) {
-        Log.d(TAG, "onClosing : $code / $reason")
+        Log.d(TAG, "onClosing : WebSocket ${webSocket.hashCode()} $code / $reason")
     }
 
     override fun onClosed(webSocket: WebSocket, code: Int, reason: String) {
-        Log.d(TAG, "onClosed : $code / $reason")
+        Log.d(TAG, "onClosed : WebSocket ${webSocket.hashCode()} $code / $reason")
         isConnected = false
     }
 
     override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
-        Log.e(TAG, "Error : WebSocket " + webSocket.hashCode(), t)
+        val isCurrent = webSocket === internalWebSocket
+        Log.e(TAG, "Error : WebSocket ${webSocket.hashCode()} (isCurrentInternalWebSocket=$isCurrent)", t)
         closeWebSocket(webSocket)
     }