Move server socket functionality from TCPServerSocket into TCPSocket.

net/socket/tcp_server_socket.h

 // Copyright (c) 2011 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 NET_SOCKET_TCP_SERVER_SOCKET_H_
 #define NET_SOCKET_TCP_SERVER_SOCKET_H_
 
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include "net/socket/tcp_server_socket_win.h"
-#elif defined(OS_POSIX)
-#include "net/socket/tcp_server_socket_libevent.h"
-#endif
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/base/ip_endpoint.h"
+#include "net/base/net_export.h"
+#include "net/base/net_log.h"
+#include "net/socket/server_socket.h"
+#include "net/socket/tcp_socket.h"
 
 namespace net {
 
-#if defined(OS_WIN)
-typedef TCPServerSocketWin TCPServerSocket;
-#elif defined(OS_POSIX)
-typedef TCPServerSocketLibevent TCPServerSocket;
-#endif
+class NET_EXPORT_PRIVATE TCPServerSocket : public ServerSocket {
+ public:
+  TCPServerSocket(NetLog* net_log, const NetLog::Source& source);
+  virtual ~TCPServerSocket();
+
+  // net::ServerSocket implementation.
+  virtual int Listen(const IPEndPoint& address, int backlog) OVERRIDE;
+  virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE;
+  virtual int Accept(scoped_ptr<StreamSocket>* socket,
+                     const CompletionCallback& callback) OVERRIDE;
+
+ private:
+  // Converts |accepted_socket_| and stores the result in
+  // |output_accepted_socket|.
+  // |output_accepted_socket| is untouched on failure. But |accepted_socket_| is
+  // set to NULL in any case.
+  int ConvertAcceptedSocket(int result,
+                            scoped_ptr<StreamSocket>* output_accepted_socket);
+  // Completion callback for calling TCPSocket::Accept().
+  void OnAcceptCompleted(scoped_ptr<StreamSocket>* output_accepted_socket,
+                         const CompletionCallback& forward_callback,
+                         int result);
+
+  TCPSocket socket_;
+
+  scoped_ptr<TCPSocket> accepted_socket_;
+  IPEndPoint accepted_address_;
+  bool pending_accept_;
+
+  DISALLOW_COPY_AND_ASSIGN(TCPServerSocket);
+};
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_SERVER_SOCKET_H_