/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see .
Copyright 2017-2019 Telegram Systems LLP
*/
#pragma once
#include "td/utils/port/config.h"
#include "td/utils/common.h"
#include "td/utils/MovableValue.h"
#include "td/utils/Status.h"
#include "td/utils/StringBuilder.h"
namespace td {
class NativeFd {
public:
#if TD_PORT_POSIX
using Fd = int;
using Socket = int;
#elif TD_PORT_WINDOWS
using Fd = HANDLE;
using Socket = SOCKET;
#endif
NativeFd() = default;
NativeFd(NativeFd &&) = default;
NativeFd &operator=(NativeFd &&);
explicit NativeFd(Fd fd);
NativeFd(Fd fd, bool nolog);
#if TD_PORT_WINDOWS
explicit NativeFd(Socket socket);
#endif
NativeFd(const NativeFd &) = delete;
NativeFd &operator=(const NativeFd &) = delete;
~NativeFd();
explicit operator bool() const;
static Fd empty_fd();
Fd fd() const;
Socket socket() const;
Status set_is_blocking(bool is_blocking) const;
Status set_is_blocking_unsafe(bool is_blocking) const; // may drop other Fd flags on non-Windows
Status duplicate(const NativeFd &to) const;
void close();
Fd release();
Status validate() const;
private:
#if TD_PORT_POSIX
MovableValue fd_;
#elif TD_PORT_WINDOWS
MovableValue fd_;
bool is_socket_{false};
#endif
};
StringBuilder &operator<<(StringBuilder &sb, const NativeFd &fd);
} // namespace td