82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
//
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// timer.cpp
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// ~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include <iostream>
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#include <boost/asio.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/bind.hpp>
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class printer
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{
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public:
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printer(boost::asio::io_context& io)
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: strand_(boost::asio::make_strand(io)),
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timer1_(io, boost::asio::chrono::seconds(1)),
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timer2_(io, boost::asio::chrono::seconds(1)),
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count_(0)
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{
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timer1_.async_wait(boost::asio::bind_executor(strand_,
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boost::bind(&printer::print1, this)));
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timer2_.async_wait(boost::asio::bind_executor(strand_,
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boost::bind(&printer::print2, this)));
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}
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~printer()
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{
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std::cout << "Final count is " << count_ << std::endl;
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}
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void print1()
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{
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if (count_ < 10)
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{
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std::cout << "Timer 1: " << count_ << std::endl;
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++count_;
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timer1_.expires_at(timer1_.expiry() + boost::asio::chrono::seconds(1));
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timer1_.async_wait(boost::asio::bind_executor(strand_,
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boost::bind(&printer::print1, this)));
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}
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}
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void print2()
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{
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if (count_ < 10)
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{
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std::cout << "Timer 2: " << count_ << std::endl;
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++count_;
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timer2_.expires_at(timer2_.expiry() + boost::asio::chrono::seconds(1));
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timer2_.async_wait(boost::asio::bind_executor(strand_,
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boost::bind(&printer::print2, this)));
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}
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}
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private:
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boost::asio::strand<boost::asio::io_context::executor_type> strand_;
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boost::asio::steady_timer timer1_;
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boost::asio::steady_timer timer2_;
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int count_;
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};
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int main()
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{
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boost::asio::io_context io;
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printer p(io);
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boost::thread t(boost::bind(&boost::asio::io_context::run, &io));
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io.run();
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t.join();
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return 0;
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}
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