lib/python/Components/TimerSanityCheck.py

   1 import string
   2 import NavigationInstance
   3 from time import localtime
   4 from Components.NimManager import nimmanager
   5 from ServiceReference import ServiceReference
   6 from enigma import iServiceInformation, eServiceCenter
   7
   8 class TimerSanityCheck:
   9         def __init__(self, timerlist, newtimer=None):
  10                 print "sanitycheck"
  11                 self.timerlist = timerlist
  12                 self.newtimer = newtimer
  13                 self.simultimer = []
  14                 self.rep_eventlist = []
  15                 self.nrep_eventlist = []
  16                 self.bflag = -1
  17                 self.eflag = 1
  18
  19         def check(self, ext_timer=1):
  20                 print "check"
  21                 if ext_timer != 1:
  22                         self.newtimer = ext_timer
  23                 if self.newtimer is None:
  24                         self.simultimer = []
  25                 else:
  26                         self.simultimer = [ self.newtimer ]
  27                 return self.checkTimerlist()
  28
  29
  30         def getSimulTimerList(self):
  31                 return self.simultimer
  32
  33         def doubleCheck(self):
  34                 if self.newtimer is not None and self.newtimer.service_ref.ref.valid():
  35                         self.simultimer = [ self.newtimer ]
  36                         for timer in self.timerlist:
  37                                 if (timer == self.newtimer):
  38                                         return True
  39                                 else:
  40                                         if timer.begin == self.newtimer.begin:
  41                                                 getUnsignedDataRef1 = timer.service_ref.ref.getUnsignedData
  42                                                 getUnsignedDataRef2 = self.newtimer.service_ref.ref.getUnsignedData
  43                                                 for x in range(1,5):
  44                                                         if getUnsignedDataRef1(x) != getUnsignedDataRef2(x):
  45                                                                 break;
  46                                                 else:
  47                                                         return True
  48                 return False
  49
  50         def checkTimerlist(self, ext_timer=1):
  51                 #with special service for external plugins
  52                 # Entries in eventlist
  53                 # timeindex
  54                 # index -1 for the new Timer, 0..n index of the existing timers
  55                 # BeginEndFlag -1 for begin, +1 for end
  56                 # count of running timers
  57
  58                 print "checkTimerlist"
  59 # create a list with all start and end times
  60 # split it into recurring and singleshot timers
  61
  62 ##################################################################################
  63 # process the new timer
  64                 self.rep_eventlist = []
  65                 self.nrep_eventlist = []
  66                 if ext_timer != 1:
  67                         self.newtimer = ext_timer
  68                 if (self.newtimer is not None) and (not self.newtimer.disabled):
  69                         if not self.newtimer.service_ref.ref.valid():
  70                                 return False
  71                         rflags = self.newtimer.repeated
  72                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
  73                         if rflags:
  74                                 begin = self.newtimer.begin % 86400 # map to first day
  75                                 while rflags: # then arrange on the week
  76                                         if rflags & 1:
  77                                                 self.rep_eventlist.append((begin, -1))
  78                                         begin += 86400
  79                                         rflags >>= 1
  80                         else:
  81                                 self.nrep_eventlist.extend([(self.newtimer.begin,-1,self.bflag),(self.newtimer.end,-1,self.eflag)])
  82
  83 ##################################################################################
  84 # now process existing timers
  85                 idx = 0
  86                 for timer in self.timerlist:
  87                         if (timer != self.newtimer) and (not timer.disabled):
  88                                 if timer.repeated:
  89                                         rflags = timer.repeated
  90                                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
  91                                         begin = timer.begin % 86400 # map all to first day
  92                                         while rflags:
  93                                                 if rflags & 1:
  94                                                         self.rep_eventlist.append((begin, idx))
  95                                                 begin += 86400
  96                                                 rflags >>= 1
  97                                 else:
  98                                         self.nrep_eventlist.extend([(timer.begin,idx,self.bflag),(timer.end,idx,self.eflag)])
  99                         idx += 1
 100
 101 ################################################################################
 102 # journalize timer repeations
 103                 if len(self.nrep_eventlist):
 104                         interval_begin = min(self.nrep_eventlist)[0]
 105                         interval_end = max(self.nrep_eventlist)[0]
 106                         offset_0 = interval_begin - (interval_begin % 604800)
 107                         weeks = (interval_end - offset_0) / 604800
 108                         if ((interval_end - offset_0) % 604800):
 109                                 weeks += 1
 110                         for cnt in range(weeks):
 111                                 for event in self.rep_eventlist:
 112                                         if event[1] == -1: # -1 is the identifier of the changed timer
 113                                                 event_begin = self.newtimer.begin
 114                                                 event_end = self.newtimer.end
 115                                         else:
 116                                                 event_begin = self.timerlist[event[1]].begin
 117                                                 event_end = self.timerlist[event[1]].end
 118                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 119                                         # summertime correction
 120                                         new_lth = localtime(new_event_begin).tm_hour
 121                                         new_event_begin += 3600 * (localtime(event_begin).tm_hour - new_lth)
 122                                         new_event_end = new_event_begin + (event_end - event_begin)
 123                                         if event[1] == -1:
 124                                                 if new_event_begin >= self.newtimer.begin: # is the soap already running?
 125                                                         self.nrep_eventlist.extend([(new_event_begin, event[1], self.bflag),(new_event_end, event[1], self.eflag)])
 126                                         else:
 127                                                 if new_event_begin >= self.timerlist[event[1]].begin: # is the soap already running?
 128                                                         self.nrep_eventlist.extend([(new_event_begin, event[1], self.bflag),(new_event_end, event[1], self.eflag)])
 129                 else:
 130                         offset_0 = 345600 # the Epoch begins on Thursday
 131                         weeks = 2 # test two weeks to take care of Sunday-Monday transitions
 132                         for cnt in range(weeks):
 133                                 for event in self.rep_eventlist:
 134                                         if event[1] == -1: # -1 is the identifier of the changed timer
 135                                                 event_begin = self.newtimer.begin
 136                                                 event_end = self.newtimer.end
 137                                         else:
 138                                                 event_begin = self.timerlist[event[1]].begin
 139                                                 event_end = self.timerlist[event[1]].end
 140                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 141                                         new_event_end = new_event_begin + (event_end - event_begin)
 142                                         self.nrep_eventlist.extend([(new_event_begin, event[1], self.bflag),(new_event_end, event[1], self.eflag)])
 143
 144 ################################################################################
 145 # order list chronological
 146                 self.nrep_eventlist.sort()
 147
 148 ##################################################################################
 149 # detect overlapping timers and overlapping times
 150                 fakeRecList = []
 151                 ConflictTimer = None
 152                 ConflictTunerType = None
 153                 ConflictSlot = None
 154                 newTimerTunerType = None
 155                 newTimerTunerSlot = None
 156                 cnt = 0
 157                 idx = 0
 158                 overlaplist = []
 159                 for event in self.nrep_eventlist:
 160                         cnt -= event[2]
 161                         if event[1] == -1: # new timer
 162                                 timer = self.newtimer
 163                         else:
 164                                 timer = self.timerlist[event[1]]
 165                         if event[2] == self.bflag:
 166                                 fakeRecService = NavigationInstance.instance.recordService(timer.service_ref)
 167                                 feinfo = fakeRecService.frontendInfo().getFrontendData()
 168                                 tunerType = feinfo.get("tuner_type")
 169                                 tunerSlot = feinfo.get("tuner_number")
 170                                 if event[1] == -1: # new timer
 171                                         newTimerTunerType = tunerType
 172                                         newTimerTunerSlot = tunerSlot
 173                                 fakeRecResult = fakeRecService.start(True)
 174                                 overlaplist.append((fakeRecResult, timer, tunerType, tunerSlot))
 175                                 fakeRecList.append((timer, fakeRecService))
 176                                 if fakeRecResult:
 177                                         if ConflictTimer is None: # just take care of the first conflict
 178                                                 ConflictTimer = timer
 179                                                 ConflictTunerType = tunerType
 180                                                 ConflictSlot = tunerSlot
 181                         elif event[2] == self.eflag:
 182                                 for fakeRec in fakeRecList:
 183                                         if timer == fakeRec[0]:
 184                                                 NavigationInstance.instance.stopRecordService(fakeRec[1])
 185                                                 fakeRecList.remove(fakeRec)
 186                                 if overlaplist.count(timer):
 187                                         overlaplist.remove(timer)
 188                         else:
 189                                 print "Bug: unknown flag!"
 190                         self.nrep_eventlist[idx] = (event[0],event[1],event[2],cnt,overlaplist[:]) # insert a duplicate into current overlaplist
 191                         idx += 1
 192
 193                 for fakeRec in fakeRecList:
 194                         NavigationInstance.instance.stopRecordService(fakeRec[1])
 195
 196                 if ConflictTimer is None: # no conflict found :)
 197                         return True
 198
 199 ##################################################################################
 200 # we have detected a conflict, now we must figure out the involved timers
 201
 202                 if self.newtimer is not None: # new timer?
 203                         if self.newtimer is not ConflictTimer: # the new timer is not the conflicting timer?
 204                                 for event in self.nrep_eventlist:
 205                                         if len(event[4]) > 1: # entry in overlaplist of this event??
 206                                                 kt = False
 207                                                 nt = False
 208                                                 for entry in event[4]:
 209                                                         if entry[1] is ConflictTimer:
 210                                                                 kt = True
 211                                                         if entry[1] is self.newtimer:
 212                                                                 nt = True
 213                                                 if nt and kt:
 214                                                         ConflictTimer = self.newtimer
 215                                                         ConflictTunerType = newTimerTunerType
 216                                                         ConflictSlot = newTimerTunerSlot
 217                                                         break
 218
 219                 self.simultimer = [ ConflictTimer ]
 220                 for event in self.nrep_eventlist:
 221                         if len(event[4]) > 1: # entry in overlaplist of this event??
 222                                 for entry in event[4]:
 223                                         if entry[1] is ConflictTimer:
 224                                                 break
 225                                 else:
 226                                         continue
 227                                 for entry in event[4]:
 228                                         if not self.simultimer.count(entry[1]) and (entry[2] == ConflictTunerType or entry[3] == ConflictTunerSlot):
 229                                                 self.simultimer.append(entry[1])
 230
 231                 if len(self.simultimer) < 2:
 232                         print "Bug: unknown Conflict!"
 233
 234                 return False # conflict detected!