chromium/content/browser/network/socket_broker_impl.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/network/socket_broker_impl.h"

#include <errno.h>

#include "base/files/file_util.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/address_family.h"
#include "net/base/net_errors.h"
#include "net/log/net_log_source.h"
#include "net/socket/socket_descriptor.h"
#include "net/socket/tcp_socket.h"
#include "services/network/public/cpp/transferable_socket.h"

#if !BUILDFLAG(IS_WIN)
#include <netinet/in.h>
#include <sys/socket.h>
#else
#include <winsock2.h>

#include "base/scoped_generic.h"
#include "content/browser/network/network_service_process_tracker_win.h"
#endif

namespace content {

namespace {

#if BUILDFLAG(IS_WIN)
struct SocketDescriptorTraitsWin {
  static void Free(net::SocketDescriptor socket) { ::closesocket(socket); }
  static net::SocketDescriptor InvalidValue() { return net::kInvalidSocket; }
};

using ScopedSocketDescriptor =
    base::ScopedGeneric<net::SocketDescriptor, SocketDescriptorTraitsWin>;

net::Error GetSystemError() {
  return net::MapSystemError(::WSAGetLastError());
}

#else

ScopedSocketDescriptor;

net::Error GetSystemError() { … }

#endif  // BUILDFLAG(IS_WIN)
}  // namespace

SocketBrokerImpl::SocketBrokerImpl() = default;

SocketBrokerImpl::~SocketBrokerImpl() = default;

void SocketBrokerImpl::CreateTcpSocket(net::AddressFamily address_family,
                                       CreateTcpSocketCallback callback) { … }

void SocketBrokerImpl::CreateUdpSocket(net::AddressFamily address_family,
                                       CreateUdpSocketCallback callback) { … }

mojo::PendingRemote<network::mojom::SocketBroker>
SocketBrokerImpl::BindNewRemote() { … }

}  // namespace content