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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_
      6 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_
      7 
      8 #include <string>
      9 
     10 #include "chrome/browser/extensions/api/socket/socket.h"
     11 
     12 // This looks like it should be forward-declarable, but it does some tricky
     13 // moves that make it easier to just include it.
     14 #include "net/socket/tcp_client_socket.h"
     15 #include "net/socket/tcp_server_socket.h"
     16 
     17 namespace net {
     18 class Socket;
     19 }
     20 
     21 namespace extensions {
     22 
     23 class TCPSocket : public Socket {
     24  public:
     25   explicit TCPSocket(const std::string& owner_extension_id);
     26   TCPSocket(net::TCPClientSocket* tcp_client_socket,
     27             const std::string& owner_extension_id,
     28             bool is_connected = false);
     29 
     30   virtual ~TCPSocket();
     31 
     32   virtual void Connect(const std::string& address,
     33                        int port,
     34                        const CompletionCallback& callback) OVERRIDE;
     35   virtual void Disconnect() OVERRIDE;
     36   virtual int Bind(const std::string& address, int port) OVERRIDE;
     37   virtual void Read(int count,
     38                     const ReadCompletionCallback& callback) OVERRIDE;
     39   virtual void RecvFrom(int count,
     40                         const RecvFromCompletionCallback& callback) OVERRIDE;
     41   virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer,
     42                       int byte_count,
     43                       const std::string& address,
     44                       int port,
     45                       const CompletionCallback& callback) OVERRIDE;
     46   virtual bool SetKeepAlive(bool enable, int delay) OVERRIDE;
     47   virtual bool SetNoDelay(bool no_delay) OVERRIDE;
     48   virtual int Listen(const std::string& address, int port,
     49                      int backlog, std::string* error_msg) OVERRIDE;
     50   virtual void Accept(const AcceptCompletionCallback &callback) OVERRIDE;
     51 
     52   virtual bool IsConnected() OVERRIDE;
     53 
     54   virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE;
     55   virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE;
     56   virtual Socket::SocketType GetSocketType() const OVERRIDE;
     57 
     58   static TCPSocket* CreateSocketForTesting(
     59       net::TCPClientSocket* tcp_client_socket,
     60       const std::string& owner_extension_id,
     61       bool is_connected = false);
     62   static TCPSocket* CreateServerSocketForTesting(
     63       net::TCPServerSocket* tcp_server_socket,
     64       const std::string& owner_extension_id);
     65 
     66  protected:
     67   virtual int WriteImpl(net::IOBuffer* io_buffer,
     68                         int io_buffer_size,
     69                         const net::CompletionCallback& callback) OVERRIDE;
     70 
     71  private:
     72   void RefreshConnectionStatus();
     73   void OnConnectComplete(int result);
     74   void OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer,
     75                       int result);
     76   void OnAccept(int result);
     77 
     78   TCPSocket(net::TCPServerSocket* tcp_server_socket,
     79             const std::string& owner_extension_id);
     80 
     81   scoped_ptr<net::TCPClientSocket> socket_;
     82   scoped_ptr<net::TCPServerSocket> server_socket_;
     83 
     84   enum SocketMode {
     85     UNKNOWN = 0,
     86     CLIENT,
     87     SERVER,
     88   };
     89   SocketMode socket_mode_;
     90 
     91   CompletionCallback connect_callback_;
     92 
     93   ReadCompletionCallback read_callback_;
     94 
     95   scoped_ptr<net::StreamSocket> accept_socket_;
     96   AcceptCompletionCallback accept_callback_;
     97 };
     98 
     99 }  //  namespace extensions
    100 
    101 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_
    102