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

chrome/browser/extensions/api/socket/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_SOCKET_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_
 
 #include <queue>
 #include <string>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/api/api_resource.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
+#include "net/socket/tcp_client_socket.h"
 
 namespace net {
 class AddressList;
 class IPEndPoint;
 class Socket;
 }
 
 namespace extensions {
 
 typedef base::Callback<void(int)> CompletionCallback;
 typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)>
     ReadCompletionCallback;
 typedef base::Callback<
   void(int, scoped_refptr<net::IOBuffer> io_buffer, const std::string&, int)>
       RecvFromCompletionCallback;
+typedef base::Callback<
+  void(int, net::TCPClientSocket*)> AcceptCompletionCallback;
 
 // A Socket wraps a low-level socket and includes housekeeping information that
 // we need to manage it in the context of an extension.
 class Socket : public ApiResource {
  public:
   enum SocketType {
     TYPE_TCP,
     TYPE_UDP,
   };
 
@@ skipping 18 matching lines @@
   virtual void RecvFrom(int count,
                         const RecvFromCompletionCallback& callback) = 0;
   virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer,
                       int byte_count,
                       const std::string& address,
                       int port,
                       const CompletionCallback& callback) = 0;
 
   virtual bool SetKeepAlive(bool enable, int delay);
   virtual bool SetNoDelay(bool no_delay);
+  virtual int Listen(const std::string& address, int port, int backlog,
+                     std::string* error_msg);
+  virtual void Accept(const AcceptCompletionCallback &callback);
 
   bool IsConnected();
 
   virtual bool GetPeerAddress(net::IPEndPoint* address) = 0;
   virtual bool GetLocalAddress(net::IPEndPoint* address) = 0;
 
   virtual SocketType GetSocketType() const = 0;
 
   static bool StringAndPortToAddressList(const std::string& ip_address_str,
                                          int port,
@@ skipping 30 matching lines @@
     CompletionCallback callback;
     int bytes_written;
   };
   std::queue<WriteRequest> write_queue_;
   scoped_refptr<net::IOBuffer> io_buffer_write_;
 };
 
 }  //  namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_