net/socket/socket_descriptor.h

   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_