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      1 // Copyright 2013 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 NET_SOCKET_SOCKET_DESCRIPTOR_H_
      6 #define NET_SOCKET_SOCKET_DESCRIPTOR_H_
      7 
      8 #include "build/build_config.h"
      9 #include "net/base/net_export.h"
     10 
     11 #if defined(OS_WIN)
     12 #include <winsock2.h>
     13 #endif  // OS_WIN
     14 
     15 namespace net {
     16 
     17 #if defined(OS_POSIX)
     18 typedef int SocketDescriptor;
     19 const SocketDescriptor kInvalidSocket = -1;
     20 #elif defined(OS_WIN)
     21 typedef SOCKET SocketDescriptor;
     22 const SocketDescriptor kInvalidSocket = INVALID_SOCKET;
     23 #endif
     24 
     25 // Interface to create native socket.
     26 // Usually such factories are used for testing purposes, which is not true in
     27 // this case. This interface is used to substitute WSASocket/socket to make
     28 // possible execution of some network code in sandbox.
     29 class NET_EXPORT PlatformSocketFactory {
     30  public:
     31   PlatformSocketFactory();
     32   virtual ~PlatformSocketFactory();
     33 
     34   // Replace WSASocket/socket with given factory. The factory will be used by
     35   // CreatePlatformSocket.
     36   static void SetInstance(PlatformSocketFactory* factory);
     37 
     38   // Creates  socket. See WSASocket/socket documentation of parameters.
     39   virtual SocketDescriptor CreateSocket(int family, int type, int protocol) = 0;
     40 };
     41 
     42 // Creates  socket. See WSASocket/socket documentation of parameters.
     43 SocketDescriptor NET_EXPORT CreatePlatformSocket(int family,
     44                                                  int type,
     45                                                  int protocol);
     46 
     47 }  // namespace net
     48 
     49 #endif  // NET_SOCKET_SOCKET_DESCRIPTOR_H_
     50