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import bisect
from time import *
from enigma import *
class TimerEntry:
EventPrepare = 0
EventStart = 1
EventEnd = 2
EventAbort = 3
StateWait = 0
StatePrepare = 1
StateRunning = 2
StateEnded = 3
def __init__(self, begin, end):
self.begin = begin
self.prepare_time = 10
self.end = end
self.state = 0
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
def __lt__(self, o):
return self.getTime() < o.getTime()
def activate(self, event):
print "timer %s got activated (%d)!" % (self.description, event)
class Timer:
MaxWaitTime = 100
def __init__(self):
self.timer_list = [ ]
self.processed_timers = [ ]
self.timer = eTimer()
self.timer.timeout.get().append(self.calcNextActivation)
self.calcNextActivation()
def addTimerEntry(self, entry):
bisect.insort(self.timer_list, entry)
self.calcNextActivation()
def setNextActivation(self, when):
delay = int((when - time()) * 1000)
print "next activation: %d (in %d ms)" % (when, delay)
self.timer.start(delay, 1)
self.next = when
def calcNextActivation(self):
self.processActivation()
min = int(time()) + self.MaxWaitTime
# calculate next activation point
if len(self.timer_list):
w = self.timer_list[0].getTime()
if w < min:
min = w
self.setNextActivation(min)
def timeChanged(self, timer):
self.timer_list.remove(timer)
bisect.insort(self.timer_list, timer)
def doActivate(self, w):
w.activate(w.state)
self.timer_list.remove(w)
w.state += 1
if w.state < TimerEntry.StateEnded:
bisect.insort(self.timer_list, w)
else:
bisect.insort(self.processed_timers, w)
def processActivation(self):
t = int(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:
self.doActivate(self.timer_list[0])
#t = Timer()
#base = time() + 5
#t.addTimerEntry(TimerEntry(base+10, base+20, None, None, "test #1: 10 - 20"))
#t.addTimerEntry(TimerEntry(base+10, base+30, None, None, "test #2: 10 - 30"))
#t.addTimerEntry(TimerEntry(base+15, base+20, None, None, "test #3: 15 - 20"))
#t.addTimerEntry(TimerEntry(base+20, base+35, None, None, "test #4: 20 - 35"))
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