X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fbase%2Febase.cpp;h=480c8ea8d2a8d48e70ff7e6b8e5ddc0bb697aef7;hp=7951f6e76ea25bb6753cb31109c2242eec19504c;hb=6dcb75c26bbfec04b381bb99d75404f9fe50635d;hpb=9f34bd86d0dc2c2ea51fe9aa54533aa68cfadc64 diff --git a/lib/base/ebase.cpp b/lib/base/ebase.cpp index 7951f6e..480c8ea 100644 --- a/lib/base/ebase.cpp +++ b/lib/base/ebase.cpp @@ -45,8 +45,8 @@ void eTimer::start(long msek, bool singleShot) 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); } @@ -59,7 +59,7 @@ void eTimer::startLongTimer( int seconds ) bActive = bSingleShot = true; interval = 0; gettimeofday(&nextActivation, 0); -// eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d msec", this, nextActivation.tv_sec, nextActivation.tv_usec, msek); +// eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d sec", this, nextActivation.tv_sec, nextActivation.tv_usec, seconds); if ( seconds > 0 ) nextActivation.tv_sec += seconds; // eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec ); @@ -116,53 +116,37 @@ ePtrList eMainloop::existing_loops; void eMainloop::addSocketNotifier(eSocketNotifier *sn) { - notifiers.insert(std::pair (sn->getFD(), sn)); + int fd = sn->getFD(); + ASSERT(notifiers.find(fd) == notifiers.end()); + notifiers[fd]=sn; } void eMainloop::removeSocketNotifier(eSocketNotifier *sn) { - notifiers.erase(sn->getFD()); + for (std::map::iterator i = notifiers.find(sn->getFD()); + i != notifiers.end(); + ++i) + if (i->second == sn) + return 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); @@ -175,63 +159,107 @@ void eMainloop::processOneEvent() poll_timeout /= 1000; } - int ret = 0; - - if (poll_timeout) + if ((user_timeout > 0) && (poll_timeout > 0) && ((unsigned int)poll_timeout > user_timeout)) { - // build the poll aray - int fdcount = notifiers.size(); - pollfd* pfd = new pollfd[fdcount]; // make new pollfd array - - std::map::iterator it(notifiers.begin()); - for (int i=0; i < fdcount; i++, it++) - { - pfd[i].fd = it->first; - pfd[i].events = it->second->getRequested(); + poll_timeout = user_timeout; + return_reason = 1; + } + + 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::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); } - } else if (ret < 0) + } + for (; i < fdcount; ++i) { - /* 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; + 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); + } + } + + 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 + { + 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); + 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) @@ -244,47 +272,83 @@ void eMainloop::removeTimer(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(); - - // wiederherstellen der vorherigen app_exit_loop - app_exit_loop = old_exit_loop; + while (!app_quit_now) + iterate(); + return retval; +} - --loop_level; +void eMainloop::reset() +{ + app_quit_now=false; +} - if (!loop_level) +PyObject *eMainloop::poll(ePyObject timeout, ePyObject dict) +{ + PyObject *res=0; + + if (app_quit_now) { - // do something here on exit the last loop + Py_INCREF(Py_None); + return Py_None; } + + int user_timeout = (timeout == Py_None) ? 0 : PyInt_AsLong(timeout); + + 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; } @@ -294,6 +358,7 @@ void eMainloop::addTimeOffset(int offset) ;it != eMainloop::existing_loops.end(); ++it) { singleLock s(it->recalcLock); + it->m_now_is_invalid = 1; for (ePtrList::iterator tit = it->m_timer_list.begin(); tit != it->m_timer_list.end(); ++tit ) tit->addTimeOffset(offset); }