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/*
* Copyright (C) 2013 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <iostream>
#include <cxxtools/eventloop.h>
#include <cxxtools/timer.h>
#include <cxxtools/timespan.h>
#include <cxxtools/clock.h>
#include <cxxtools/arg.h>
#include <cxxtools/log.h>
log_define("timertest")
void onInterval()
{
static unsigned count = 0;
++count;
log_info("interval " << count);
}
void onIntervalFullSecond()
{
static unsigned count = 0;
++count;
log_info("interval full second " << count);
}
void onIntervalFuture()
{
static unsigned count = 0;
++count;
log_info("delayed start interval second " << count);
}
void onIntervalFutureFullSecond(cxxtools::DateTime ts)
{
static unsigned count = 0;
++count;
log_info("future full second interval " << count << ' ' << ts.toString());
}
void onIntervalPast(cxxtools::DateTime ts)
{
static unsigned count = 0;
++count;
log_info("late start " << count << ' ' << ts.toString());
}
void onIntervalPastUtc(cxxtools::DateTime ts)
{
static unsigned count = 0;
++count;
log_info("utc " << ts.toString());
}
void onOneShot()
{
log_info("one shot");
}
int main(int argc, char* argv[])
{
try
{
// the command line switch -d enables debug log for the selector
cxxtools::Arg<bool> debug(argc, argv, 'd');
// with -l <filename> we may pass a own logging configuration
// the configuration may be xml or properties format
cxxtools::Arg<std::string> logfile(argc, argv, 'l');
// initialize logging
if (logfile.isSet())
{
log_init(logfile);
}
else
{
// when no logfile is passed, we configure the logging without it
cxxtools::LogConfiguration logConfiguration;
logConfiguration.setRootLevel(cxxtools::Logger::LOG_LEVEL_INFO);
logConfiguration.setLogLevel("cxxtools.timer", cxxtools::Logger::LOG_LEVEL_DEBUG);
if (debug)
logConfiguration.setLogLevel("cxxtools.selector.impl", cxxtools::Logger::LOG_LEVEL_DEBUG);
log_init(logConfiguration);
}
// we need a event loop which controls the timers
cxxtools::EventLoop loop;
// timer to tick just once after 1500 ms
cxxtools::Timer oneShotTimer(&loop);
oneShotTimer.after(cxxtools::Milliseconds(1500));
cxxtools::connect(oneShotTimer.timeout, onOneShot);
// timer tick once per second
cxxtools::Timer intervalTimer(&loop);
intervalTimer.start(cxxtools::Seconds(1));
cxxtools::connect(intervalTimer.timeout, onInterval);
// timer tick once per second but start at full second
cxxtools::Timer intervalFullSecondTimer(&loop);
intervalFullSecondTimer.start(cxxtools::DateTime(1970, 1, 1, 0, 0, 0), cxxtools::Seconds(1));
cxxtools::connect(intervalFullSecondTimer.timeout, onIntervalFullSecond);
// timer tick once per second but start after 5 seconds
cxxtools::Timer intervalFutureTimer(&loop);
intervalFutureTimer.start(cxxtools::Clock::getLocalTime() + cxxtools::Seconds(5), cxxtools::Seconds(1));
cxxtools::connect(intervalFutureTimer.timeout, onIntervalFuture);
// timer tick once per second but start after 2 seconds at full second
cxxtools::Timer intervalFutureFullSecondTimer(&loop);
cxxtools::DateTime dt = cxxtools::Clock::getLocalTime() + cxxtools::Seconds(2);
int year;
unsigned month, day, hour, min, sec, msec;
dt.get(year, month, day, hour, min, sec, msec);
dt.set(year, month, day, hour, min, sec, 0);
intervalFutureFullSecondTimer.start(dt, cxxtools::Seconds(1));
cxxtools::connect(intervalFutureFullSecondTimer.timeoutts, onIntervalFutureFullSecond);
// timer, which was started in the past - it just starts ticking immediately
cxxtools::Timer intervalPastTimer(&loop);
intervalPastTimer.start(cxxtools::DateTime(1990, 1, 1, 8, 0, 0), cxxtools::Seconds(1));
cxxtools::connect(intervalPastTimer.timeoutts, onIntervalPast);
cxxtools::connect(intervalPastTimer.timeoutUtc, onIntervalPastUtc);
// now we start the event loop to execute the timers
// this will loop forever and call the timer callback functions at suitable times
log_info("start event loop");
loop.run();
}
catch (const std::exception& e)
{
std::cerr << e.what() << std::endl;
}
}
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