76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
//
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// timer.cpp
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// ~~~~~~~~~
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//
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// Copyright (c) 2003-2013 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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#include <boost/date_time/posix_time/posix_time.hpp>
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class printer
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{
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public:
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printer(boost::asio::io_service& io)
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: strand_(io),
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timer1_(io, boost::posix_time::seconds(1)),
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timer2_(io, boost::posix_time::seconds(1)),
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count_(0)
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{
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timer1_.async_wait(strand_.wrap(boost::bind(&printer::print1, this)));
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timer2_.async_wait(strand_.wrap(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_ << "\n";
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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_ << "\n";
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++count_;
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timer1_.expires_at(timer1_.expires_at() + boost::posix_time::seconds(1));
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timer1_.async_wait(strand_.wrap(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_ << "\n";
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++count_;
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timer2_.expires_at(timer2_.expires_at() + boost::posix_time::seconds(1));
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timer2_.async_wait(strand_.wrap(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 strand_;
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boost::asio::deadline_timer timer1_;
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boost::asio::deadline_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_service io;
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printer p(io);
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boost::thread t(boost::bind(&boost::asio::io_service::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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