bSingleShot = singleShot;
interval = msek;
gettimeofday(&nextActivation, 0);
- nextActivation += (msek<0 ? 0 : msek);
// 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 eMainloop::addSocketNotifier(eSocketNotifier *sn)
{
- notifiers.insert(std::pair<int,eSocketNotifier*> (sn->getFD(), sn));
+ int fd = sn->getFD();
+ ASSERT(notifiers.find(fd) == notifiers.end());
+ ASSERT(new_notifiers.find(fd) == new_notifiers.end());
+ new_notifiers[fd]=sn;
}
void eMainloop::removeSocketNotifier(eSocketNotifier *sn)
{
- notifiers.erase(sn->getFD());
+ int fd = sn->getFD();
+ std::map<int,eSocketNotifier*>::iterator i(notifiers.find(fd));
+ if (i != notifiers.end())
+ return notifiers.erase(i);
+ i = new_notifiers.find(fd);
+ if (i != new_notifiers.end())
+ return new_notifiers.erase(i);
+ eFatal("removed socket notifier which is not present");
}
-void eMainloop::processOneEvent()
+int eMainloop::processOneEvent(unsigned int user_timeout, PyObject **res, ePyObject additional)
{
- /* notes:
- - we should use epoll(4)
- - timer are checked twice. there was a strong reason for it, but i can't remember. (FIXME)
- - for each time, we gettimeofday() and check wether the timer should fire.
- we should do this all better - we know how long the poll last, so we know which
- timers should fire. Problem is that a timer handler could have required so
- much time that another timer fired.
-
- A probably structure could look
-
- while (1)
- {
- time = gettimeofday()
- timeout = calculate_pending_timers(time);
-
- doPoll(timeout or infinite);
-
- if (poll_had_results)
- handle_poll_handler();
- else
- fire_timers(time + timeout)
- }
-
- the gettimeofday() call is required because fire_timers could last more
- than nothing.
-
- when poll did no timeout, we don't handle timers, as this will be done
- in the next iteration (without adding overhead - we had to get the new
- time anyway
- */
-
+ int return_reason = 0;
/* get current time */
timeval now;
gettimeofday(&now, 0);
m_now_is_invalid = 0;
-
+
+ if (additional && !PyDict_Check(additional))
+ eFatal("additional, but it's not dict");
+
+ if (additional && !res)
+ eFatal("additional, but no res");
+
int poll_timeout = -1; /* infinite in case of empty timer list */
-
+
if (m_timer_list)
{
singleLock s(recalcLock);
poll_timeout /= 1000;
}
- int ret = 0;
+ if ((user_timeout > 0) && (poll_timeout > 0) && ((unsigned int)poll_timeout > user_timeout))
+ {
+ poll_timeout = user_timeout;
+ return_reason = 1;
+ }
- if (poll_timeout)
+ for (std::map<int, eSocketNotifier*>::iterator it(new_notifiers.begin()); it != new_notifiers.end();)
{
- // build the poll aray
- int fdcount = notifiers.size();
- pollfd* pfd = new pollfd[fdcount]; // make new pollfd array
+ notifiers[it->first]=it->second;
+ new_notifiers.erase(it++);
+ }
- std::map<int,eSocketNotifier*>::iterator it(notifiers.begin());
- for (int i=0; i < fdcount; i++, it++)
- {
- pfd[i].fd = it->first;
- pfd[i].events = it->second->getRequested();
+ int nativecount=notifiers.size(),
+ fdcount=nativecount,
+ ret=0;
+
+ if (additional)
+ fdcount += PyDict_Size(additional);
+
+ // build the poll aray
+ pollfd pfd[fdcount]; // make new pollfd array
+ std::map<int,eSocketNotifier*>::iterator it = notifiers.begin();
+ int i=0;
+ for (; i < nativecount; ++i, ++it)
+ {
+ pfd[i].fd = it->first;
+ pfd[i].events = it->second->getRequested();
+ }
+
+ if (additional)
+ {
+ PyObject *key, *val;
+ int pos=0;
+ while (PyDict_Next(additional, &pos, &key, &val)) {
+ pfd[i].fd = PyObject_AsFileDescriptor(key);
+ pfd[i++].events = PyInt_AsLong(val);
}
-
- ret = poll(pfd, fdcount, poll_timeout);
-
+ }
+
+ ret = ::poll(pfd, fdcount, poll_timeout);
/* ret > 0 means that there are some active poll entries. */
- if (ret > 0)
+ if (ret > 0)
+ {
+ int i=0;
+ return_reason = 0;
+ for (; i < nativecount ; ++i)
{
- for (int i=0; i < fdcount ; i++)
+ if (pfd[i].revents)
{
- if (notifiers.find(pfd[i].fd) == notifiers.end())
- continue;
-
- int req = notifiers[pfd[i].fd]->getRequested();
-
- if (pfd[i].revents & req)
+ int handled = 0;
+ it = notifiers.find(pfd[i].fd);
+ if (it != notifiers.end())
{
- notifiers[pfd[i].fd]->activate(pfd[i].revents);
-
- if (!--ret)
- break;
- } else if (pfd[i].revents & (POLLERR|POLLHUP|POLLNVAL))
- eFatal("poll: unhandled POLLERR/HUP/NVAL for fd %d(%d) -> FIX YOUR CODE", pfd[i].fd,pfd[i].revents);
+ int req = it->second->getRequested();
+ handled |= req;
+ if (pfd[i].revents & req)
+ it->second->activate(pfd[i].revents);
+ }
+ pfd[i].revents &= ~handled;
+ if (pfd[i].revents & (POLLERR|POLLHUP|POLLNVAL))
+ eDebug("poll: unhandled POLLERR/HUP/NVAL for fd %d(%d)", pfd[i].fd, pfd[i].revents);
+ }
+ }
+ for (; i < fdcount; ++i)
+ {
+ if (pfd[i].revents)
+ {
+ if (!*res)
+ *res = PyList_New(0);
+ ePyObject it = PyTuple_New(2);
+ PyTuple_SET_ITEM(it, 0, PyInt_FromLong(pfd[i].fd));
+ PyTuple_SET_ITEM(it, 1, PyInt_FromLong(pfd[i].revents));
+ PyList_Append(*res, it);
+ Py_DECREF(it);
}
- } else if (ret < 0)
+ }
+
+ ret = 1; /* poll did not timeout. */
+ } else if (ret < 0)
+ {
+ /* when we got a signal, we get EINTR. */
+ if (errno != EINTR)
+ eDebug("poll made error (%m)");
+ else
{
- /* when we got a signal, we get EINTR. we do not care,
- because we check current time in timers anyway. */
- if (errno != EINTR)
- eDebug("poll made error (%m)");
- else
- ret = 0;
+ return_reason = 2;
+ ret = -1; /* don't assume the timeout has passed when we got a signal */
}
- delete [] pfd;
}
/* when we not processed anything, check timers. */
- if (!ret)
+ if (!m_timer_list.empty())
{
+ /* we know that this time has passed. */
singleLock s(recalcLock);
- /* this will never change while we have the recalcLock */
- /* we can savely return here, the timer will be re-checked soon. */
- if (m_now_is_invalid)
- return;
+ if (ret || m_now_is_invalid)
+ gettimeofday(&now, 0);
+ else
+ now += poll_timeout;
/* process all timers which are ready. first remove them out of the list. */
- while ((!m_timer_list.empty()) && (m_timer_list.begin()->getNextActivation() < now))
+ while ((!m_timer_list.empty()) && (m_timer_list.begin()->getNextActivation() <= now))
m_timer_list.begin()->activate();
}
+
+ return return_reason;
}
void eMainloop::addTimer(eTimer* e)
m_timer_list.remove(e);
}
-int eMainloop::exec()
+int eMainloop::iterate(unsigned int user_timeout, PyObject **res, ePyObject dict)
{
- if (!loop_level)
+ int ret = 0;
+
+ timeval user_timer;
+ gettimeofday(&user_timer, 0);
+ user_timer += user_timeout;
+
+ /* TODO: this code just became ugly. fix that. */
+ do
{
- app_quit_now = false;
- app_exit_loop = false;
- enter_loop();
- }
- return retval;
+ if (m_interrupt_requested)
+ {
+ m_interrupt_requested = 0;
+ return 0;
+ }
+ if (app_quit_now) return -1;
+ timeval now, timeout;
+ gettimeofday(&now, 0);
+ timeout = user_timer - now;
+
+ if (user_timeout && (user_timer <= now))
+ return 0;
+
+ int to = 0;
+ if (user_timeout)
+ to = timeout.tv_sec * 1000 + timeout.tv_usec / 1000;
+
+ ret = processOneEvent(to, res, dict);
+ if (res && *res)
+ return ret;
+ } while (ret == 0);
+
+ return ret;
}
-void eMainloop::enter_loop()
+int eMainloop::runLoop()
{
- 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();
+ while (!app_quit_now)
+ iterate();
+ return retval;
+}
- // wiederherstellen der vorherigen app_exit_loop
- app_exit_loop = old_exit_loop;
+void eMainloop::reset()
+{
+ app_quit_now=false;
+}
- --loop_level;
+PyObject *eMainloop::poll(ePyObject timeout, ePyObject dict)
+{
+ PyObject *res=0;
+
+ if (app_quit_now)
+ Py_RETURN_NONE;
+
+ int user_timeout = (timeout == Py_None) ? 0 : PyInt_AsLong(timeout);
- if (!loop_level)
- {
- // do something here on exit the last loop
- }
+ iterate(user_timeout, &res, dict);
+ ePyObject ret(res);
+
+ if (!ret) /* return empty list on timeout */
+ return PyList_New(0);
+
+ return ret;
}
-void eMainloop::exit_loop() // call this to leave the current loop
+void eMainloop::interruptPoll()
{
- app_exit_loop = true;
+ m_interrupt_requested = 1;
}
-void eMainloop::quit( int ret ) // call this to leave all loops
+void eMainloop::quit(int ret)
{
- retval=ret;
+ retval = ret;
app_quit_now = true;
}
git.cweiske.de / enigma2.git / blobdiff