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tdlib-fork/tdutils/td/utils/port/detail/NativeFd.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/port/detail/NativeFd.h"
#include "td/utils/logging.h"
#include "td/utils/Status.h"
#include "td/utils/format.h"
#if TD_PORT_POSIX
#include <unistd.h>
#endif
namespace td {
NativeFd::NativeFd(NativeFd::Raw raw) : fd_(raw) {
VLOG(fd) << *this << " create";
}
NativeFd::NativeFd(NativeFd::Raw raw, bool nolog) : fd_(raw) {
}
#if TD_PORT_WINDOWS
NativeFd::NativeFd(SOCKET raw) : fd_(reinterpret_cast<HANDLE>(raw)), is_socket_(true) {
VLOG(fd) << *this << " create";
}
#endif
NativeFd::~NativeFd() {
close();
}
NativeFd::operator bool() const {
return fd_.get() != empty_raw();
}
constexpr NativeFd::Raw NativeFd::empty_raw() {
#if TD_PORT_POSIX
return -1;
#elif TD_PORT_WINDOWS
return INVALID_HANDLE_VALUE;
#endif
}
NativeFd::Raw NativeFd::raw() const {
return fd_.get();
}
NativeFd::Raw NativeFd::fd() const {
return raw();
}
#if TD_PORT_WINDOWS
NativeFd::Raw NativeFd::io_handle() const {
return raw();
}
SOCKET NativeFd::socket() const {
CHECK(is_socket_);
return reinterpret_cast<SOCKET>(fd_.get());
}
#elif TD_PORT_POSIX
NativeFd::Raw NativeFd::socket() const {
return raw();
}
#endif
void NativeFd::close() {
if (!*this) {
return;
}
VLOG(fd) << *this << " close";
#if TD_PORT_WINDOWS
if (!CloseHandle(io_handle())) {
#elif TD_PORT_POSIX
if (::close(fd()) < 0) {
#endif
auto error = OS_ERROR("Close fd");
LOG(ERROR) << error;
}
fd_ = {};
}
NativeFd::Raw NativeFd::release() {
VLOG(fd) << *this << " release";
auto res = fd_.get();
fd_ = {};
return res;
}
StringBuilder &operator<<(StringBuilder &sb, const NativeFd &fd) {
sb << tag("fd", fd.raw());
return sb;
}
} // namespace td