Files
lms/main/ServiceManager.cpp
T

96 lines
1.6 KiB
C++

#include <csignal>
#include <boost/foreach.hpp>
#include <boost/bind.hpp>
#include "ServiceManager.hpp"
ServiceManager::ServiceManager()
: _signalSet(_ioService)
{
_signalSet.add(SIGINT);
_signalSet.add(SIGTERM);
#if defined(SIGQUIT)
_signalSet.add(SIGQUIT);
#endif // defined(SIGQUIT)
_signalSet.add(SIGHUP);
}
void
ServiceManager::run()
{
asyncWaitSignals();
// Wait for events
_ioService.run();
}
void
ServiceManager::asyncWaitSignals(void)
{
_signalSet.async_wait(boost::bind(&ServiceManager::handleSignal,
this,
boost::asio::placeholders::error,
boost::asio::placeholders::signal_number));
}
void
ServiceManager::startService(Service::pointer service)
{
_services.insert(service);
service->start();
}
void
ServiceManager::stopService(Service::pointer service)
{
_services.erase(service);
service->stop();
}
void
ServiceManager::stopServices(void)
{
BOOST_FOREACH(Service::pointer service, _services)
service->stop();
}
void
ServiceManager::restartServices(void)
{
BOOST_FOREACH(Service::pointer service, _services)
service->restart();
}
void
ServiceManager::handleSignal(boost::system::error_code /*ec*/, int signo)
{
std::cout << "Received signal " << signo << std::endl;
switch (signo)
{
case SIGINT:
case SIGTERM:
case SIGQUIT:
std::cout << "Stopping services..." << std::endl;
stopServices();
// Do not listen for signals, this will make the ioservice.run return
break;
case SIGHUP:
std::cout << "Restarting services..." << std::endl;
restartServices();
asyncWaitSignals();
break;
default:
assert(0);
}
}