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			83 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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    This file is part of TON Blockchain Library.
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    TON Blockchain Library is free software: you can redistribute it and/or modify
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    it under the terms of the GNU Lesser General Public License as published by
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    the Free Software Foundation, either version 2 of the License, or
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    (at your option) any later version.
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    TON Blockchain Library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public License
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    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
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    Copyright 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "td/utils/port/config.h"
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#ifdef TD_PORT_WINDOWS
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#include "td/utils/common.h"
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#include "td/utils/Context.h"
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#include "td/utils/port/detail/NativeFd.h"
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#include "td/utils/Status.h"
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#include <memory>
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namespace td {
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namespace detail {
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class IocpRef;
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class Iocp final : public Context<Iocp> {
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 public:
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  Iocp() = default;
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  Iocp(const Iocp &) = delete;
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  Iocp &operator=(const Iocp &) = delete;
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  Iocp(Iocp &&) = delete;
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  Iocp &operator=(Iocp &&) = delete;
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  ~Iocp();
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  class Callback {
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   public:
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    virtual ~Callback() = default;
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    virtual void on_iocp(Result<size_t> r_size, WSAOVERLAPPED *overlapped) = 0;
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  };
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  void init();
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  void subscribe(const NativeFd &fd, Callback *callback);
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  void post(size_t size, Callback *callback, WSAOVERLAPPED *overlapped);
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  void loop();
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  void interrupt_loop();
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  void clear();
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  IocpRef get_ref() const;
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 private:
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  std::shared_ptr<NativeFd> iocp_handle_;
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};
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class IocpRef {
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 public:
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  IocpRef() = default;
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  IocpRef(const Iocp &) = delete;
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  IocpRef &operator=(const Iocp &) = delete;
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  IocpRef(IocpRef &&) = default;
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  IocpRef &operator=(IocpRef &&) = default;
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  explicit IocpRef(std::weak_ptr<NativeFd> iocp_handle);
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  bool post(size_t size, Iocp::Callback *callback, WSAOVERLAPPED *overlapped);
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 private:
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  std::weak_ptr<NativeFd> iocp_handle_;
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};
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}  // namespace detail
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}  // namespace td
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#endif
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