mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 06:16:30 +03:00
85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
// Copyright 2016 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.
|
|
|
|
#include "net/socket/socket_options.h"
|
|
|
|
#include <cerrno>
|
|
|
|
#include "build/build_config.h"
|
|
#include "net/base/net_errors.h"
|
|
|
|
#if defined(OS_WIN)
|
|
#include <winsock2.h>
|
|
#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <sys/socket.h>
|
|
#endif
|
|
|
|
namespace net {
|
|
|
|
int SetTCPNoDelay(SocketDescriptor fd, bool no_delay) {
|
|
#if defined(OS_WIN)
|
|
BOOL on = no_delay ? TRUE : FALSE;
|
|
#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
|
|
int on = no_delay ? 1 : 0;
|
|
#endif
|
|
int rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY,
|
|
reinterpret_cast<const char*>(&on), sizeof(on));
|
|
return rv == -1 ? MapSystemError(errno) : OK;
|
|
}
|
|
|
|
int SetReuseAddr(SocketDescriptor fd, bool reuse) {
|
|
// SO_REUSEADDR is useful for server sockets to bind to a recently unbound
|
|
// port. When a socket is closed, the end point changes its state to TIME_WAIT
|
|
// and wait for 2 MSL (maximum segment lifetime) to ensure the remote peer
|
|
// acknowledges its closure. For server sockets, it is usually safe to
|
|
// bind to a TIME_WAIT end point immediately, which is a widely adopted
|
|
// behavior.
|
|
//
|
|
// Note that on *nix, SO_REUSEADDR does not enable the socket (which can be
|
|
// either TCP or UDP) to bind to an end point that is already bound by another
|
|
// socket. To do that one must set SO_REUSEPORT instead. This option is not
|
|
// provided on Linux prior to 3.9.
|
|
//
|
|
// SO_REUSEPORT is provided in MacOS X and iOS.
|
|
#if defined(OS_WIN)
|
|
BOOL boolean_value = reuse ? TRUE : FALSE;
|
|
#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
|
|
int boolean_value = reuse ? 1 : 0;
|
|
#endif
|
|
int rv = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
|
|
reinterpret_cast<const char*>(&boolean_value),
|
|
sizeof(boolean_value));
|
|
return rv == -1 ? MapSystemError(errno) : OK;
|
|
}
|
|
|
|
int SetSocketReceiveBufferSize(SocketDescriptor fd, int32_t size) {
|
|
int rv = setsockopt(fd, SOL_SOCKET, SO_RCVBUF,
|
|
reinterpret_cast<const char*>(&size), sizeof(size));
|
|
#if defined(OS_WIN)
|
|
int os_error = WSAGetLastError();
|
|
#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
|
|
int os_error = errno;
|
|
#endif
|
|
int net_error = (rv == -1) ? MapSystemError(os_error) : OK;
|
|
DCHECK(!rv) << "Could not set socket receive buffer size: " << net_error;
|
|
return net_error;
|
|
}
|
|
|
|
int SetSocketSendBufferSize(SocketDescriptor fd, int32_t size) {
|
|
int rv = setsockopt(fd, SOL_SOCKET, SO_SNDBUF,
|
|
reinterpret_cast<const char*>(&size), sizeof(size));
|
|
#if defined(OS_WIN)
|
|
int os_error = WSAGetLastError();
|
|
#elif defined(OS_POSIX) || defined(OS_FUCHSIA)
|
|
int os_error = errno;
|
|
#endif
|
|
int net_error = (rv == -1) ? MapSystemError(os_error) : OK;
|
|
DCHECK(!rv) << "Could not set socket receive buffer size: " << net_error;
|
|
return net_error;
|
|
}
|
|
|
|
} // namespace net
|