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tdlib-fork/tdutils/td/utils/port/detail/Iocp.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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)
//
#pragma once
#include "td/utils/port/config.h"
#ifdef TD_PORT_WINDOWS
#include "td/utils/common.h"
#include "td/utils/Context.h"
#include "td/utils/port/detail/NativeFd.h"
#include "td/utils/Status.h"
#include <memory>
namespace td {
namespace detail {
class IocpRef;
class Iocp final : public Context<Iocp> {
public:
Iocp() = default;
Iocp(const Iocp &) = delete;
Iocp &operator=(const Iocp &) = delete;
Iocp(Iocp &&) = delete;
Iocp &operator=(Iocp &&) = delete;
~Iocp();
class Callback {
public:
virtual ~Callback() = default;
virtual void on_iocp(Result<size_t> r_size, WSAOVERLAPPED *overlapped) = 0;
};
void init();
void subscribe(const NativeFd &fd, Callback *callback);
void post(size_t size, Callback *callback, WSAOVERLAPPED *overlapped);
void loop();
void interrupt_loop();
void clear();
IocpRef get_ref() const;
private:
std::shared_ptr<NativeFd> iocp_handle_;
};
class IocpRef {
public:
IocpRef() = default;
IocpRef(const Iocp &) = delete;
IocpRef &operator=(const Iocp &) = delete;
IocpRef(IocpRef &&) = default;
IocpRef &operator=(IocpRef &&) = default;
explicit IocpRef(std::weak_ptr<NativeFd> iocp_handle);
bool post(size_t size, Iocp::Callback *callback, WSAOVERLAPPED *overlapped);
private:
std::weak_ptr<NativeFd> iocp_handle_;
};
} // namespace detail
} // namespace td
#endif