code.vuplus.com Git - vuplus_dvbapp/blob - timer.py

   1 import bisect
   2 import time
   3 from enigma import *
   4
   5 class TimerEntry:
   6         EventPrepare = 0
   7         EventStart   = 1
   8         EventEnd     = 2
   9         EventAbort   = 3
  10
  11         StateWait    = 0
  12         StatePrepare = 1
  13         StateRunning = 2
  14         StateEnded   = 3
  15
  16         def __init__(self, begin, end):
  17                 self.begin = begin
  18                 self.prepare_time = 10
  19                 self.end = end
  20                 self.state = 0
  21                 self.resetRepeated()
  22
  23         def resetRepeated(self):
  24                 self.repeated = int(0)
  25
  26         def setRepeated(self, day):
  27                 self.repeated |= (2 ** day)
  28                 print "Repeated: " + str(self.repeated)
  29
  30         # update self.begin and self.end according to the self.repeated-flags
  31         def processRepeated(self):
  32                 print "ProcessRepeated"
  33                 if (self.repeated != 0):
  34                         now = int(time.time())
  35
  36                         day = []
  37                         flags = self.repeated
  38                         for x in range(0, 7):
  39                                 if (flags & 1 == 1):
  40                                         day.append(0)
  41                                 else:
  42                                         day.append(1)
  43                                 flags = flags >> 1
  44
  45                         while ((day[time.localtime(self.begin).tm_wday] != 0) and (self.end < now)):
  46                                 print str(now) + " " + str(self.end) + " " + str(self.begin)
  47                                 self.begin += 86400
  48                                 self.end += 86400
  49
  50
  51
  52         def getTime(self):
  53                 if self.state == self.StateWait:
  54                         return self.begin - self.prepare_time
  55                 elif self.state == self.StatePrepare:
  56                         return self.begin
  57                 else:
  58                         return self.end
  59
  60         def __lt__(self, o):
  61                 return self.getTime() < o.getTime()
  62
  63         def activate(self, event):
  64                 print "[timer.py] timer %s got activated (%d)!" % (self.description, event)
  65
  66 class Timer:
  67
  68         # the time between "polls". We do this because
  69         # we want to account for time jumps etc.
  70         # of course if they occur <100s before starting,
  71         # it's not good. thus, you have to repoll when
  72         # you change the time.
  73         #
  74         # this is just in case. We don't want the timer
  75         # hanging. we use this "edge-triggered-polling-scheme"
  76         # anyway, so why don't make it a bit more fool-proof?
  77         MaxWaitTime = 100
  78
  79         def __init__(self):
  80                 self.timer_list = [ ]
  81                 self.processed_timers = [ ]
  82
  83                 self.timer = eTimer()
  84                 self.timer.timeout.get().append(self.calcNextActivation)
  85                 self.lastActivation = time.time()
  86
  87                 self.calcNextActivation()
  88
  89         def addTimerEntry(self, entry, noRecalc=0):
  90                 entry.processRepeated()
  91
  92                 # we either go trough Prepare/Start/End-state if the timer is still running,
  93                 # or skip it when it's alrady past the end.
  94
  95                 if entry.end > time.time():
  96                         bisect.insort(self.timer_list, entry)
  97                         if not noRecalc:
  98                                 self.calcNextActivation()
  99                 else:
 100                         bisect.insort(self.processed_timers, entry)
 101
 102         def setNextActivation(self, when):
 103                 delay = int((when - time.time()) * 1000)
 104                 print "[timer.py] next activation: %d (in %d ms)" % (when, delay)
 105
 106                 self.timer.start(delay, 1)
 107                 self.next = when
 108
 109         def calcNextActivation(self):
 110                 if self.lastActivation > time.time():
 111                         print "[timer.py] timewarp - re-evaluating all processed timers."
 112                         tl = self.processed_timers
 113                         self.processed_timers = [ ]
 114                         for x in tl:
 115                                 self.addTimerEntry(x, noRecalc=1)
 116
 117                 self.processActivation()
 118                 self.lastActivation = time.time()
 119
 120                 min = int(time.time()) + self.MaxWaitTime
 121
 122                 # calculate next activation point
 123                 if len(self.timer_list):
 124                         w = self.timer_list[0].getTime()
 125                         if w < min:
 126                                 min = w
 127
 128                 self.setNextActivation(min)
 129
 130         def timeChanged(self, timer):
 131                 try:
 132                         self.timer_list.remove(timer)
 133                 except:
 134                         pass
 135                 self.addTimerEntry(timer)
 136
 137         def doActivate(self, w):
 138                 w.activate(w.state)
 139                 try:
 140                         self.timer_list.remove(w)
 141                 except:
 142                         pass
 143
 144                 w.state += 1
 145                 if w.state < TimerEntry.StateEnded:
 146                         bisect.insort(self.timer_list, w)
 147                 else:
 148                         if (w.repeated == 0):
 149                                 bisect.insort(self.processed_timers, w)
 150                         else:
 151                                 w.processRepeated()
 152                                 w.state = TimerEntry.StateWait
 153                                 self.timeChanged(w)
 154
 155         def processActivation(self):
 156                 t = int(time.time()) + 1
 157
 158                 # we keep on processing the first entry until it goes into the future.
 159                 while len(self.timer_list) and self.timer_list[0].getTime() < t:
 160                         self.doActivate(self.timer_list[0])