Updating SecurityKeyAuthHandlerPosix socket lifetime management

remoting/host/security_key/security_key_socket.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_SOCKET_H_
 #define REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_SOCKET_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 36 matching lines @@
   void SendResponse(const std::string& data);
 
   // Sends an SSH error code to the socket.
   void SendSshError();
 
   // |request_received_callback| is used to notify the caller that request data
   // has been fully read, and caller is to use GetAndClearRequestData method to
   // get the request data.
   void StartReadingRequest(const base::Closure& request_received_callback);
 
+  bool socket_read_error() const { return socket_read_error_; }
+
  private:
   // Called when bytes are written to |socket_|.
   void OnDataWritten(int result);
 
   // Continues writing to |socket_| if needed.
   void DoWrite();
 
   // Called when bytes are read from |socket_|.
   void OnDataRead(int bytes_read);
 
@@ skipping 17 matching lines @@
 
   // Ensures SecurityKeySocketSocket methods are called on the same thread.
   base::ThreadChecker thread_checker_;
 
   // The socket.
   std::unique_ptr<net::StreamSocket> socket_;
 
   // Invoked when request data has been read.
   base::Closure request_received_callback_;
 
-  // Indicates whether read has completed and |request_received_callback_| is
-  // about to be run.
-  bool read_completed_;
+  // Indicates whether the socket is being used to wait for a request.
+  bool waiting_for_request_ = false;
+
+  // Indicates whether an error was encountered while reading from the socket.
+  bool socket_read_error_ = false;
 
   // Request data.
   std::vector<char> request_data_;
 
   scoped_refptr<net::DrainableIOBuffer> write_buffer_;
 
   scoped_refptr<net::IOBufferWithSize> read_buffer_;
 
   // The activity timer.
   std::unique_ptr<base::Timer> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityKeySocket);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SECURITY_KEY_SECURITY_KEY_SOCKET_H_