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#include "net/socket/socket_descriptor.h"
6
7#if defined(OS_POSIX)
8#include <sys/types.h>
9#include <sys/socket.h>
10#endif
11
12#include "base/basictypes.h"
13
14#if defined(OS_WIN)
15#include <ws2tcpip.h>
16#include "base/win/windows_version.h"
17#include "net/base/winsock_init.h"
18#endif
19
20namespace net {
21
22PlatformSocketFactory* g_socket_factory = NULL;
23
24PlatformSocketFactory::PlatformSocketFactory() {
25}
26
27PlatformSocketFactory::~PlatformSocketFactory() {
28}
29
30void PlatformSocketFactory::SetInstance(PlatformSocketFactory* factory) {
31  g_socket_factory = factory;
32}
33
34SocketDescriptor CreateSocketDefault(int family, int type, int protocol) {
35#if defined(OS_WIN)
36  EnsureWinsockInit();
37  SocketDescriptor result = ::WSASocket(family, type, protocol, NULL, 0,
38                                        WSA_FLAG_OVERLAPPED);
39  if (result != kInvalidSocket && family == AF_INET6 &&
40      base::win::OSInfo::GetInstance()->version() >= base::win::VERSION_VISTA) {
41    DWORD value = 0;
42    if (setsockopt(result, IPPROTO_IPV6, IPV6_V6ONLY,
43                   reinterpret_cast<const char*>(&value), sizeof(value))) {
44      closesocket(result);
45      return kInvalidSocket;
46    }
47  }
48  return result;
49#else  // OS_WIN
50  return ::socket(family, type, protocol);
51#endif  // OS_WIN
52}
53
54SocketDescriptor CreatePlatformSocket(int family, int type, int protocol) {
55  if (g_socket_factory)
56    return g_socket_factory->CreateSocket(family, type, protocol);
57  else
58    return CreateSocketDefault(family, type, protocol);
59}
60
61}  // namespace net
62