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#include <lib/base/ebase.h>
#include <fcntl.h>
#include <unistd.h>
#include <lib/base/eerror.h>
eSocketNotifier::eSocketNotifier(eMainloop *context, int fd, int requested, bool startnow): context(*context), fd(fd), state(0), requested(requested)
{
if (startnow)
start();
}
eSocketNotifier::~eSocketNotifier()
{
stop();
}
void eSocketNotifier::start()
{
if (state)
stop();
context.addSocketNotifier(this);
state=1;
}
void eSocketNotifier::stop()
{
if (state)
context.removeSocketNotifier(this);
state=0;
}
// timer
void eTimer::start(long msek, bool singleShot)
{
if (bActive)
stop();
bActive = true;
bSingleShot = singleShot;
interval = msek;
gettimeofday(&nextActivation, 0);
// eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d msec", this, nextActivation.tv_sec, nextActivation.tv_usec, msek);
nextActivation += (msek<0 ? 0 : msek);
// eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec );
context.addTimer(this);
}
void eTimer::stop()
{
if (bActive)
{
bActive=false;
context.removeTimer(this);
}
}
void eTimer::changeInterval(long msek)
{
if (bActive) // Timer is running?
{
context.removeTimer(this); // then stop
nextActivation -= interval; // sub old interval
}
else
bActive=true; // then activate Timer
interval = msek; // set new Interval
nextActivation += interval; // calc nextActivation
context.addTimer(this); // add Timer to context TimerList
}
void eTimer::activate() // Internal Funktion... called from eApplication
{
timeval now;
gettimeofday(&now, 0);
// eDebug("this = %p\nnow sec = %d, usec = %d\nnextActivation sec = %d, usec = %d", this, now.tv_sec, now.tv_usec, nextActivation.tv_sec, nextActivation.tv_usec );
// eDebug("Timer emitted");
context.removeTimer(this);
if (!bSingleShot)
{
nextActivation += interval;
context.addTimer(this);
}
else
bActive=false;
/*emit*/ timeout();
}
// mainloop
void eMainloop::addSocketNotifier(eSocketNotifier *sn)
{
notifiers.insert(std::pair<int,eSocketNotifier*> (sn->getFD(), sn));
}
void eMainloop::removeSocketNotifier(eSocketNotifier *sn)
{
notifiers.erase(sn->getFD());
}
void eMainloop::processOneEvent()
{
// process pending timers...
long usec=0;
while (TimerList && (usec = timeout_usec( TimerList.begin()->getNextActivation() ) ) <= 0 )
TimerList.begin()->activate();
int fdAnz = notifiers.size();
pollfd* pfd = new pollfd[fdAnz]; // make new pollfd array
// fill pfd array
std::map<int,eSocketNotifier*>::iterator it(notifiers.begin());
for (int i=0; i < fdAnz; i++, it++)
{
pfd[i].fd = it->first;
pfd[i].events = it->second->getRequested();
}
int ret=poll(pfd, fdAnz, TimerList ? usec / 1000 : -1); // milli .. not micro seks
if (ret>0)
{
// eDebug("bin aussem poll raus und da war was");
for (int i=0; i < fdAnz ; i++)
{
if( notifiers.find(pfd[i].fd) == notifiers.end())
continue;
int req = notifiers[pfd[i].fd]->getRequested();
if ( pfd[i].revents & req )
{
notifiers[pfd[i].fd]->activate(pfd[i].revents);
if (!--ret)
break;
} else if (pfd[i].revents & (POLLERR|POLLHUP|POLLNVAL))
eDebug("poll: unhandled POLLERR/HUP/NVAL for fd %d(%d)", pfd[i].fd,pfd[i].revents);
}
}
else if (ret<0)
eDebug("poll made error");
// check Timers...
while ( TimerList && timeout_usec( TimerList.begin()->getNextActivation() ) <= 0 )
TimerList.begin()->activate();
delete [] pfd;
}
int eMainloop::exec()
{
if (!loop_level)
{
app_quit_now = false;
enter_loop();
}
return retval;
}
void eMainloop::enter_loop()
{
loop_level++;
// Status der vorhandenen Loop merken
bool old_exit_loop = app_exit_loop;
app_exit_loop = false;
while (!app_exit_loop && !app_quit_now)
{
processOneEvent();
}
// wiederherstellen der vorherigen app_exit_loop
app_exit_loop = old_exit_loop;
loop_level--;
if (!loop_level)
{
// do something here on exit the last loop
}
}
void eMainloop::exit_loop() // call this to leave the current loop
{
app_exit_loop = true;
}
void eMainloop::quit( int ret ) // call this to leave all loops
{
retval=ret;
app_quit_now = true;
}
eApplication* eApp = 0;
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