X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/713b210b4df4b4bf71dfdb7de0094631b1c92c91..6be1d64932f7007baa7974f72724a97dd6c7304e:/timer.py?ds=sidebyside diff --git a/timer.py b/timer.py index 1679a9b7..e298f665 100644 --- a/timer.py +++ b/timer.py @@ -1,40 +1,112 @@ import bisect import time +import calendar from enigma import * class TimerEntry: - EventPrepare = 0 - EventStart = 1 - EventEnd = 2 - EventAbort = 3 - - StateWait = 0 - StatePrepare = 1 - StateRunning = 2 - StateEnded = 3 + StateWaiting = 0 + StatePrepared = 1 + StateRunning = 2 + StateEnded = 3 def __init__(self, begin, end): self.begin = begin - self.prepare_time = 10 + self.prepare_time = 20 self.end = end self.state = 0 + self.resetRepeated() + self.backoff = 0 + + self.disabled = False + + def resetRepeated(self): + self.repeated = int(0) + + def setRepeated(self, day): + self.repeated |= (2 ** day) + print "Repeated: " + str(self.repeated) + + def isRunning(self): + return self.state == self.StateRunning + + # update self.begin and self.end according to the self.repeated-flags + def processRepeated(self): + print "ProcessRepeated" + if (self.repeated != 0): + now = int(time.time()) + 1 + + #to avoid problems with daylight saving, we need to calculate with localtime, in struct_time representation + localbegin = time.localtime(self.begin) + localend = time.localtime(self.end) + localnow = time.localtime(now) + + print time.strftime("%c", localbegin) + print time.strftime("%c", localend) + + day = [] + flags = self.repeated + for x in range(0, 7): + if (flags & 1 == 1): + day.append(0) + print "Day: " + str(x) + else: + day.append(1) + flags = flags >> 1 + + print time.strftime("%c", localnow) + while ((day[localbegin.tm_wday] != 0) or ((day[localbegin.tm_wday] == 0) and localend < localnow)): + print time.strftime("%c", localbegin) + print time.strftime("%c", localend) + #add one day to the struct_time, we have to convert using gmt functions, because the daylight saving flag might change after we add our 86400 seconds + localbegin = time.gmtime(calendar.timegm(localbegin) + 86400) + localend = time.gmtime(calendar.timegm(localend) + 86400) + + #we now have a struct_time representation of begin and end in localtime, but we have to calculate back to (gmt) seconds since epoch + self.begin = int(time.mktime(localbegin)) + self.end = int(time.mktime(localend)) + 1 + + print "ProcessRepeated result" + print time.strftime("%c", time.localtime(self.begin)) + print time.strftime("%c", time.localtime(self.end)) + + self.timeChanged() + + def __lt__(self, o): + return self.getNextActivation() < o.getNextActivation() - def getTime(self): - if self.state == self.StateWait: - return self.begin - self.prepare_time - elif self.state == self.StatePrepare: - return self.begin - else: - return self.end + # must be overridden + def activate(self): + pass + + # can be overridden + def timeChanged(self): + pass + + # check if a timer entry must be skipped + def shouldSkip(self): + return self.end <= time.time() and self.state == TimerEntry.StateWaiting + + def abort(self): + self.end = time.time() + + # in case timer has not yet started, but gets aborted (so it's preparing), + # set begin to now. + if self.begin > self.end: + self.begin = self.end + + self.cancelled = True - def __lt__(self, o): - return self.getTime() < o.getTime() + # must be overridden! + def getNextActivation(): + pass + + def disable(self): + self.disabled = True - def activate(self, event): - print "[timer.py] timer %s got activated (%d)!" % (self.description, event) + def enable(self): + self.disabled = False class Timer: - # the time between "polls". We do this because # we want to account for time jumps etc. # of course if they occur <100s before starting, @@ -52,17 +124,40 @@ class Timer: self.timer = eTimer() self.timer.timeout.get().append(self.calcNextActivation) + self.lastActivation = time.time() self.calcNextActivation() + self.on_state_change = [ ] - def addTimerEntry(self, entry): - # we either go trough Prepare/Start/End-state if the timer is still running, - # or skip it when it's alrady past the end. - if entry.end > time.time(): - bisect.insort(self.timer_list, entry) - self.calcNextActivation() - else: + def stateChanged(self, entry): + for f in self.on_state_change: + f(entry) + + def getNextRecordingTime(self): + if len(self.timer_list) > 0: + return self.timer_list[0].begin + return -1 + + def cleanup(self): + self.processed_timers = [entry for entry in self.processed_timers if entry.disabled] + + def addTimerEntry(self, entry, noRecalc=0): + entry.processRepeated() + + # when the timer has not yet started, and is already passed, + # don't go trough waiting/running/end-states, but sort it + # right into the processedTimers. + if entry.shouldSkip() or entry.state == TimerEntry.StateEnded or (entry.state == TimerEntry.StateWaiting and entry.disabled): + print "already passed, skipping" + print "shouldSkip:", entry.shouldSkip() + print "state == ended", entry.state == TimerEntry.StateEnded + print "waiting && disabled:", (entry.state == TimerEntry.StateWaiting and entry.disabled) bisect.insort(self.processed_timers, entry) + entry.state = TimerEntry.StateEnded + else: + bisect.insort(self.timer_list, entry) + if not noRecalc: + self.calcNextActivation() def setNextActivation(self, when): delay = int((when - time.time()) * 1000) @@ -72,34 +167,74 @@ class Timer: self.next = when def calcNextActivation(self): + if self.lastActivation > time.time(): + print "[timer.py] timewarp - re-evaluating all processed timers." + tl = self.processed_timers + self.processed_timers = [ ] + for x in tl: + # simulate a "waiting" state to give them a chance to re-occure + x.resetState() + self.addTimerEntry(x, noRecalc=1) + self.processActivation() + self.lastActivation = time.time() min = int(time.time()) + self.MaxWaitTime # calculate next activation point if len(self.timer_list): - w = self.timer_list[0].getTime() + w = self.timer_list[0].getNextActivation() if w < min: min = w self.setNextActivation(min) def timeChanged(self, timer): - self.timer_list.remove(timer) - bisect.insort(self.timer_list, timer) + print "time changed" + timer.timeChanged() + if timer.state == TimerEntry.StateEnded: + self.processed_timers.remove(timer) + else: + self.timer_list.remove(timer) + + # give the timer a chance to re-enqueue + if timer.state == TimerEntry.StateEnded: + timer.state = TimerEntry.StateWaiting + self.addTimerEntry(timer) def doActivate(self, w): - w.activate(w.state) self.timer_list.remove(w) - w.state += 1 + + # when activating a timer which has already passed, + # simply abort the timer. don't run trough all the stages. + if w.shouldSkip(): + w.state = TimerEntry.StateEnded + else: + # when active returns true, this means "accepted". + # otherwise, the current state is kept. + # the timer entry itself will fix up the delay then. + if w.activate(): + w.state += 1 + + # did this timer reached the last state? if w.state < TimerEntry.StateEnded: + # no, sort it into active list bisect.insort(self.timer_list, w) else: - bisect.insort(self.processed_timers, w) - + # yes. Process repeated, and re-add. + if w.repeated: + w.processRepeated() + w.state = TimerEntry.StateWaiting + self.addTimerEntry(w) + else: + bisect.insort(self.processed_timers, w) + + self.stateChanged(w) + def processActivation(self): + print "It's now ", time.strftime("%c", time.localtime(time.time())) t = int(time.time()) + 1 # we keep on processing the first entry until it goes into the future. - while len(self.timer_list) and self.timer_list[0].getTime() < t: + while len(self.timer_list) and self.timer_list[0].getNextActivation() < t: self.doActivate(self.timer_list[0])