io_service.h

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// Copyright (C) 2011-2025 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
#ifndef ASIOLINK_IO_SERVICE_H
#define ASIOLINK_IO_SERVICE_H
 
#include <boost/version.hpp>
#include <boost/shared_ptr.hpp>
#include <functional>
#include <list>
 
#if BOOST_VERSION < 106600
#error "Boost ASIO older than 1.66 are not supported"
#endif
 
#include <boost/asio/io_context.hpp>
 
namespace isc {
namespace asiolink {
 
class IOServiceImpl;
class IOService;

typedef boost::shared_ptr<IOService> IOServicePtr;

class IOService {

private:
    IOService(const IOService& source);
    IOService& operator=(const IOService& source);
public:
    IOService();

    ~IOService();

    void run();

    size_t runOne();

    size_t runOneFor(size_t wait_time_usecs, bool& timed_out);

    size_t poll();

    size_t pollOne();

    void stop();

    bool stopped() const;

    void restart();

    void stopWork();

    boost::asio::io_context& getInternalIOService();

    void post(const std::function<void ()>& callback);

    void stopAndPoll(bool ignore_errors = true);
 
private:

    boost::shared_ptr<IOServiceImpl> io_impl_;
};
 
}  // namespace asiolink
}  // namespace isc
 
#endif // ASIOLINK_IO_SERVICE_H