Implement chrome.socket.bind/listen/accept for TCP server socket.

chrome/browser/extensions/api/socket/tcp_socket.h

 // Copyright (c) 2012 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 CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_
 
 #include <string>
 
 #include "chrome/browser/extensions/api/socket/socket.h"
 
 // This looks like it should be forward-declarable, but it does some tricky
 // moves that make it easier to just include it.
 #include "net/socket/tcp_client_socket.h"
+#include "net/socket/tcp_server_socket.h"
 
 namespace net {
 class Socket;
 }
 
 namespace extensions {
 
 class ApiResourceEventNotifier;
 
 class TCPSocket : public Socket {
  public:
   TCPSocket(const std::string& owner_extension_id,
             ApiResourceEventNotifier* event_notifier);
+  TCPSocket(net::TCPClientSocket* tcp_client_socket,
+            const std::string& owner_extension_id,
+            ApiResourceEventNotifier* event_notifier,
+            bool is_connected = false);
+
   virtual ~TCPSocket();
 
   virtual void Connect(const std::string& address,
                        int port,
                        const CompletionCallback& callback) OVERRIDE;
   virtual void Disconnect() OVERRIDE;
   virtual int Bind(const std::string& address, int port) OVERRIDE;
   virtual void Read(int count,
                     const ReadCompletionCallback& callback) OVERRIDE;
   virtual void RecvFrom(int count,
                         const RecvFromCompletionCallback& callback) OVERRIDE;
   virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer,
                       int byte_count,
                       const std::string& address,
                       int port,
                       const CompletionCallback& callback) OVERRIDE;
   virtual bool SetKeepAlive(bool enable, int delay) OVERRIDE;
   virtual bool SetNoDelay(bool no_delay) OVERRIDE;
+  virtual int Listen(const std::string& address, int port,
+                     int backlog, std::string* error_msg) OVERRIDE;
+  virtual void Accept(const AcceptCompletionCallback &callback) OVERRIDE;
+
   virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE;
   virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE;
   virtual Socket::SocketType GetSocketType() const OVERRIDE;
 
   static TCPSocket* CreateSocketForTesting(
       net::TCPClientSocket* tcp_client_socket,
       const std::string& owner_extension_id,
       ApiResourceEventNotifier* event_notifier);
+  static TCPSocket* CreateServerSocketForTesting(
+      net::TCPServerSocket* tcp_server_socket,
+      const std::string& owner_extension_id);
 
  protected:
   virtual int WriteImpl(net::IOBuffer* io_buffer,
                         int io_buffer_size,
                         const net::CompletionCallback& callback) OVERRIDE;
 
  private:
   void OnConnectComplete(int result);
   void OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer,
                       int result);
+  void OnAccept(int result);
 
-  TCPSocket(net::TCPClientSocket* tcp_client_socket,
-            const std::string& owner_extension_id,
-            ApiResourceEventNotifier* event_notifier);
+  TCPSocket(net::TCPServerSocket* tcp_server_socket,
+            const std::string& owner_extension_id);
 
   scoped_ptr<net::TCPClientSocket> socket_;
+  scoped_ptr<net::TCPServerSocket> server_socket_;
+
+  enum SocketMode {
+    UNKNOWN = 0,
+    CLIENT,
+    SERVER,
+  };
+  SocketMode socket_mode_;
 
   CompletionCallback connect_callback_;
 
   ReadCompletionCallback read_callback_;
+
+  scoped_ptr<net::StreamSocket> accept_socket_;
+  AcceptCompletionCallback accept_callback_;
 };
 
 }  //  namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_TCP_SOCKET_H_