server: Remove unused fields / functions

Source/cmServer.cxx

@@ -464,10 +464,6 @@ void cmServerBase::OnConnected(cmConnection*)
 {
 }
 
-void cmServerBase::OnDisconnect()
-{
-}
-
 void cmServerBase::OnServeStart()
 {
 }

Source/cmServer.h

@@ -37,13 +37,12 @@ public:
    * This should almost always be called by the given connections
    * directly.
    *
-   * @param connection The connectiont the request was received on
+   * @param connection The connection the request was received on
    * @param request The actual request
    */
   virtual void ProcessRequest(cmConnection* connection,
                               const std::string& request) = 0;
   virtual void OnConnected(cmConnection* connection);
-  virtual void OnDisconnect();
 
   /***
    * Start a dedicated thread. If this is used to start the server, it will
@@ -141,22 +140,6 @@ private:
   cmServerProtocol* Protocol = nullptr;
   std::vector<cmServerProtocol*> SupportedProtocols;
 
-  std::string DataBuffer;
-  std::string JsonData;
-
-  typedef union
-  {
-    uv_tty_t tty;
-    uv_pipe_t pipe;
-  } InOutUnion;
-
-  InOutUnion Input;
-  InOutUnion Output;
-  uv_stream_t* InputStream = nullptr;
-  uv_stream_t* OutputStream = nullptr;
-
-  mutable bool Writing = false;
-
   friend class cmServerProtocol;
   friend class cmServerRequest;
 };