fix unhandled exceptions

proxy.py

@@ -65,7 +65,8 @@ class VNCWebSocketHandler(Protocol):
             port = value['port']
             port = value['port']
             host = value['host']
             host = value['host']
         except:
         except:
-            pass
+            transport.loseConnection()
+            return
         self.transport = transport
         self.transport = transport
         self.srv_queue = defer.DeferredQueue()
         self.srv_queue = defer.DeferredQueue()
         self.cli_queue = defer.DeferredQueue()
         self.cli_queue = defer.DeferredQueue()
@@ -87,6 +88,7 @@ class VNCWebSocketHandler(Protocol):
         self.cli_queue.put(frame)
         self.cli_queue.put(frame)
 
 
     def connectionLost(self, why):
     def connectionLost(self, why):
+        if hasattr(self, 'cli_queue'):
             self.cli_queue.put(False)
             self.cli_queue.put(False)
         log.msg("HELO")
         log.msg("HELO")
 
 

websockets.py

@@ -399,7 +399,6 @@ class WebSocketsProtocol(Protocol):
         Find frames in incoming data and pass them to the underlying protocol.
         Find frames in incoming data and pass them to the underlying protocol.
         """
         """
         for opcode, data, fin in _parseFrames(self._buffer):
         for opcode, data, fin in _parseFrames(self._buffer):
-            self._receiver.frameReceived(opcode, base64.b64decode(data), fin)
             if opcode == CONTROLS.CLOSE:
             if opcode == CONTROLS.CLOSE:
                 # The other side wants us to close.
                 # The other side wants us to close.
                 code, reason = data
                 code, reason = data
@@ -416,6 +415,7 @@ class WebSocketsProtocol(Protocol):
                 # 5.5.3 PONGs must contain the data that was sent with the
                 # 5.5.3 PONGs must contain the data that was sent with the
                 # provoking PING.
                 # provoking PING.
                 self.transport.write(_makeFrame(data, CONTROLS.PONG, True))
                 self.transport.write(_makeFrame(data, CONTROLS.PONG, True))
+            self._receiver.frameReceived(opcode, base64.b64decode(data), fin)
 
 
 
 
     def dataReceived(self, data):
     def dataReceived(self, data):