1 #include <lib/base/ebase.h>
7 #include <lib/base/eerror.h>
8 #include <lib/base/elock.h>
10 eSocketNotifier::eSocketNotifier(eMainloop *context, int fd, int requested, bool startnow): context(*context), fd(fd), state(0), requested(requested)
16 eSocketNotifier::~eSocketNotifier()
21 void eSocketNotifier::start()
26 context.addSocketNotifier(this);
30 void eSocketNotifier::stop()
33 context.removeSocketNotifier(this);
39 void eTimer::start(long msek, bool singleShot)
45 bSingleShot = singleShot;
47 gettimeofday(&nextActivation, 0);
48 // eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d msec", this, nextActivation.tv_sec, nextActivation.tv_usec, msek);
49 nextActivation += (msek<0 ? 0 : msek);
50 // eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec );
51 context.addTimer(this);
54 void eTimer::startLongTimer( int seconds )
59 bActive = bSingleShot = true;
61 gettimeofday(&nextActivation, 0);
62 // eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d sec", this, nextActivation.tv_sec, nextActivation.tv_usec, seconds);
64 nextActivation.tv_sec += seconds;
65 // eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec );
66 context.addTimer(this);
74 context.removeTimer(this);
78 void eTimer::changeInterval(long msek)
80 if (bActive) // Timer is running?
82 context.removeTimer(this); // then stop
83 nextActivation -= interval; // sub old interval
86 bActive=true; // then activate Timer
88 interval = msek; // set new Interval
89 nextActivation += interval; // calc nextActivation
91 context.addTimer(this); // add Timer to context TimerList
94 void eTimer::activate() // Internal Funktion... called from eApplication
96 context.removeTimer(this);
100 nextActivation += interval;
101 context.addTimer(this);
109 void eTimer::addTimeOffset( int offset )
111 nextActivation.tv_sec += offset;
115 ePtrList<eMainloop> eMainloop::existing_loops;
117 void eMainloop::addSocketNotifier(eSocketNotifier *sn)
119 notifiers.insert(std::pair<int,eSocketNotifier*> (sn->getFD(), sn));
122 void eMainloop::removeSocketNotifier(eSocketNotifier *sn)
124 for (std::multimap<int,eSocketNotifier*>::iterator i = notifiers.find(sn->getFD());
125 i != notifiers.end();
128 return notifiers.erase(i);
129 eFatal("removed socket notifier which is not present");
132 int eMainloop::processOneEvent(unsigned int user_timeout)
134 int return_reason = 0;
135 /* get current time */
137 gettimeofday(&now, 0);
138 m_now_is_invalid = 0;
140 int poll_timeout = -1; /* infinite in case of empty timer list */
144 singleLock s(recalcLock);
145 poll_timeout = timeval_to_usec(m_timer_list.begin()->getNextActivation() - now);
146 /* if current timer already passed, don't delay infinite. */
147 if (poll_timeout < 0)
150 /* convert us to ms */
151 poll_timeout /= 1000;
154 if ((user_timeout > 0) && (poll_timeout > user_timeout))
156 poll_timeout = user_timeout;
165 std::multimap<int,eSocketNotifier*>::iterator it;
166 std::map<int,int> fd_merged;
167 std::map<int,int>::const_iterator fd_merged_it;
169 for (it = notifiers.begin(); it != notifiers.end(); ++it)
170 fd_merged[it->first] |= it->second->getRequested();
172 fd_merged_it = fd_merged.begin();
174 int fdcount = fd_merged.size();
176 // build the poll aray
177 pollfd* pfd = new pollfd[fdcount]; // make new pollfd array
179 for (int i=0; i < fdcount; i++, fd_merged_it++)
181 pfd[i].fd = fd_merged_it->first;
182 pfd[i].events = fd_merged_it->second;
185 ret = poll(pfd, fdcount, poll_timeout);
187 /* ret > 0 means that there are some active poll entries. */
191 for (int i=0; i < fdcount ; i++)
193 it = notifiers.begin();
197 std::multimap<int,eSocketNotifier*>::iterator
198 l = notifiers.lower_bound(pfd[i].fd),
199 u = notifiers.upper_bound(pfd[i].fd);
201 ePtrList<eSocketNotifier> n;
204 n.push_back(l->second);
206 for (ePtrList<eSocketNotifier>::iterator li(n.begin()); li != n.end(); ++li)
208 int req = li->getRequested();
212 if (pfd[i].revents & req)
213 (*li)->activate(pfd[i].revents);
215 if ((pfd[i].revents&~handled) & (POLLERR|POLLHUP|POLLNVAL))
216 eFatal("poll: unhandled POLLERR/HUP/NVAL for fd %d(%d)", pfd[i].fd, pfd[i].revents);
219 ret = 1; /* poll did not timeout. */
222 /* when we got a signal, we get EINTR. */
224 eDebug("poll made error (%m)");
228 ret = -1; /* don't assume the timeout has passed when we got a signal */
234 /* when we not processed anything, check timers. */
237 /* we know that this time has passed. */
240 singleLock s(recalcLock);
242 /* this will never change while we have the recalcLock */
243 /* we can savely return here, the timer will be re-checked soon. */
244 if (m_now_is_invalid)
247 /* process all timers which are ready. first remove them out of the list. */
248 while ((!m_timer_list.empty()) && (m_timer_list.begin()->getNextActivation() <= now))
249 m_timer_list.begin()->activate();
252 return return_reason;
255 void eMainloop::addTimer(eTimer* e)
257 m_timer_list.insert_in_order(e);
260 void eMainloop::removeTimer(eTimer* e)
262 m_timer_list.remove(e);
265 int eMainloop::iterate(unsigned int user_timeout)
271 if (app_quit_now) break;
272 ret = processOneEvent(user_timeout);
278 int eMainloop::runLoop()
280 while (!app_quit_now)
285 void eMainloop::quit(int ret)
291 void eMainloop::addTimeOffset(int offset)
293 for (ePtrList<eMainloop>::iterator it(eMainloop::existing_loops)
294 ;it != eMainloop::existing_loops.end(); ++it)
296 singleLock s(it->recalcLock);
297 it->m_now_is_invalid = 1;
298 for (ePtrList<eTimer>::iterator tit = it->m_timer_list.begin(); tit != it->m_timer_list.end(); ++tit )
299 tit->addTimeOffset(offset);
303 eApplication* eApp = 0;