lib/python/Components/TimerSanityCheck.py

   1 import NavigationInstance
   2 from time import localtime, mktime, gmtime
   3 from ServiceReference import ServiceReference
   4 from enigma import iServiceInformation, eServiceCenter, eServiceReference
   5
   6 class TimerSanityCheck:
   7         def __init__(self, timerlist, newtimer=None):
   8                 print "sanitycheck"
   9                 self.localtimediff = 25*3600 - mktime(gmtime(25*3600))
  10                 self.timerlist = timerlist
  11                 self.newtimer = newtimer
  12                 self.simultimer = []
  13                 self.rep_eventlist = []
  14                 self.nrep_eventlist = []
  15                 self.bflag = 1
  16                 self.eflag = -1
  17
  18         def check(self, ext_timer=1):
  19                 print "check"
  20                 if ext_timer != 1:
  21                         self.newtimer = ext_timer
  22                 if self.newtimer is None:
  23                         self.simultimer = []
  24                 else:
  25                         self.simultimer = [ self.newtimer ]
  26                 return self.checkTimerlist()
  27
  28         def getSimulTimerList(self):
  29                 return self.simultimer
  30
  31         def doubleCheck(self):
  32                 if self.newtimer is not None and self.newtimer.service_ref.ref.valid():
  33                         self.simultimer = [ self.newtimer ]
  34                         for timer in self.timerlist:
  35                                 if (timer == self.newtimer):
  36                                         return True
  37                                 else:
  38                                         if timer.begin == self.newtimer.begin:
  39                                                 getUnsignedDataRef1 = timer.service_ref.ref.getUnsignedData
  40                                                 getUnsignedDataRef2 = self.newtimer.service_ref.ref.getUnsignedData
  41                                                 for x in (1, 2, 3, 4):
  42                                                         if getUnsignedDataRef1(x) != getUnsignedDataRef2(x):
  43                                                                 break;
  44                                                 else:
  45                                                         return True
  46                 return False
  47
  48         def checkTimerlist(self, ext_timer=1):
  49                 #with special service for external plugins
  50                 # Entries in eventlist
  51                 # timeindex
  52                 # BeginEndFlag 1 for begin, -1 for end
  53                 # index -1 for the new Timer, 0..n index of the existing timers
  54                 # count of running timers
  55
  56                 serviceHandler = eServiceCenter.getInstance()
  57                 print "checkTimerlist"
  58 # create a list with all start and end times
  59 # split it into recurring and singleshot timers
  60
  61 ##################################################################################
  62 # process the new timer
  63                 self.rep_eventlist = []
  64                 self.nrep_eventlist = []
  65                 if ext_timer != 1:
  66                         self.newtimer = ext_timer
  67                 if (self.newtimer is not None) and (not self.newtimer.disabled):
  68                         if not self.newtimer.service_ref.ref.valid():
  69                                 return False
  70                         rflags = self.newtimer.repeated
  71                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
  72                         if rflags:
  73                                 begin = self.newtimer.begin % 86400 # map to first day
  74                                 if (self.localtimediff > 0) and ((begin + self.localtimediff) > 86400):
  75                                         rflags = ((rflags >> 1)& 0x3F)|((rflags << 6)& 0x40)
  76                                 elif (self.localtimediff < 0) and (begin < self.localtimediff):
  77                                         rflags = ((rflags << 1)& 0x7E)|((rflags >> 6)& 0x01)
  78                                 while rflags: # then arrange on the week
  79                                         if rflags & 1:
  80                                                 self.rep_eventlist.append((begin, -1))
  81                                         begin += 86400
  82                                         rflags >>= 1
  83                         else:
  84                                 self.nrep_eventlist.extend([(self.newtimer.begin,self.bflag,-1),(self.newtimer.end,self.eflag,-1)])
  85
  86 ##################################################################################
  87 # now process existing timers
  88                 idx = 0
  89                 for timer in self.timerlist:
  90                         if (timer != self.newtimer) and (not timer.disabled):
  91                                 if timer.repeated:
  92                                         rflags = timer.repeated
  93                                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
  94                                         begin = timer.begin % 86400 # map all to first day
  95                                         if (self.localtimediff > 0) and ((begin + self.localtimediff) > 86400):
  96                                                 rflags = ((rflags >> 1)& 0x3F)|((rflags << 6)& 0x40)
  97                                         elif (self.localtimediff < 0) and (begin < self.localtimediff):
  98                                                 rflags = ((rflags << 1)& 0x7E)|((rflags >> 6)& 0x01)
  99                                         while rflags:
 100                                                 if rflags & 1:
 101                                                         self.rep_eventlist.append((begin, idx))
 102                                                 begin += 86400
 103                                                 rflags >>= 1
 104                                 else:
 105                                         self.nrep_eventlist.extend([(timer.begin,self.bflag,idx),(timer.end,self.eflag,idx)])
 106                         idx += 1
 107
 108 ################################################################################
 109 # journalize timer repeations
 110                 if self.nrep_eventlist:
 111                         interval_begin = min(self.nrep_eventlist)[0]
 112                         interval_end = max(self.nrep_eventlist)[0]
 113                         offset_0 = interval_begin - (interval_begin % 604800)
 114                         weeks = (interval_end - offset_0) / 604800
 115                         if ((interval_end - offset_0) % 604800):
 116                                 weeks += 1
 117                         for cnt in range(weeks):
 118                                 for event in self.rep_eventlist:
 119                                         if event[1] == -1: # -1 is the identifier of the changed timer
 120                                                 event_begin = self.newtimer.begin
 121                                                 event_end = self.newtimer.end
 122                                         else:
 123                                                 event_begin = self.timerlist[event[1]].begin
 124                                                 event_end = self.timerlist[event[1]].end
 125                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 126                                         # summertime correction
 127                                         new_lth = localtime(new_event_begin).tm_hour
 128                                         new_event_begin += 3600 * (localtime(event_begin).tm_hour - new_lth)
 129                                         new_event_end = new_event_begin + (event_end - event_begin)
 130                                         if event[1] == -1:
 131                                                 if new_event_begin >= self.newtimer.begin: # is the soap already running?
 132                                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 133                                         else:
 134                                                 if new_event_begin >= self.timerlist[event[1]].begin: # is the soap already running?
 135                                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 136                 else:
 137                         offset_0 = 345600 # the Epoch begins on Thursday
 138                         weeks = 2 # test two weeks to take care of Sunday-Monday transitions
 139                         for cnt in range(weeks):
 140                                 for event in self.rep_eventlist:
 141                                         if event[1] == -1: # -1 is the identifier of the changed timer
 142                                                 event_begin = self.newtimer.begin
 143                                                 event_end = self.newtimer.end
 144                                         else:
 145                                                 event_begin = self.timerlist[event[1]].begin
 146                                                 event_end = self.timerlist[event[1]].end
 147                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 148                                         new_event_end = new_event_begin + (event_end - event_begin)
 149                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 150
 151 ################################################################################
 152 # order list chronological
 153                 self.nrep_eventlist.sort()
 154
 155 ##################################################################################
 156 # detect overlapping timers and overlapping times
 157                 fakeRecList = []
 158                 ConflictTimer = None
 159                 ConflictTunerType = None
 160                 newTimerTunerType = None
 161                 cnt = 0
 162                 idx = 0
 163                 overlaplist = []
 164                 for event in self.nrep_eventlist:
 165                         cnt += event[1]
 166                         if event[2] == -1: # new timer
 167                                 timer = self.newtimer
 168                         else:
 169                                 timer = self.timerlist[event[2]]
 170                         if event[1] == self.bflag:
 171                                 tunerType = [ ]
 172                                 fakeRecService = NavigationInstance.instance.recordService(timer.service_ref, True)
 173                                 if fakeRecService:
 174                                         fakeRecResult = fakeRecService.start(True)
 175                                 else:
 176                                         fakeRecResult = -1
 177                                 if not fakeRecResult: # tune okay
 178                                         feinfo = fakeRecService.frontendInfo().getFrontendData()
 179                                         tunerType.append(feinfo.get("tuner_type"))
 180                                 else: # tune failed.. so we must go another way to get service type (DVB-S, DVB-T, DVB-C)
 181
 182                                         def getServiceType(ref): # helper function to get a service type of a service reference
 183                                                 serviceInfo = serviceHandler.info(ref)
 184                                                 serviceInfo = serviceInfo and serviceInfo.getInfoObject(ref, iServiceInformation.sTransponderData)
 185                                                 return serviceInfo and serviceInfo["tuner_type"] or ""
 186
 187                                         ref = timer.service_ref.ref
 188                                         if ref.flags & eServiceReference.isGroup: # service group ?
 189                                                 serviceList = serviceHandler.list(ref) # get all alternative services
 190                                                 if serviceList:
 191                                                         for ref in serviceList.getContent("R"): # iterate over all group service references
 192                                                                 type = getServiceType(ref)
 193                                                                 if not type in tunerType: # just add single time
 194                                                                         tunerType.append(type)
 195                                         else:
 196                                                 tunerType.append(getServiceType(ref))
 197
 198                                 if event[2] == -1: # new timer
 199                                         newTimerTunerType = tunerType
 200                                 overlaplist.append((fakeRecResult, timer, tunerType))
 201                                 fakeRecList.append((timer, fakeRecService))
 202                                 if fakeRecResult:
 203                                         if ConflictTimer is None: # just take care of the first conflict
 204                                                 ConflictTimer = timer
 205                                                 ConflictTunerType = tunerType
 206                         elif event[1] == self.eflag:
 207                                 for fakeRec in fakeRecList:
 208                                         if timer == fakeRec[0] and fakeRec[1]:
 209                                                 NavigationInstance.instance.stopRecordService(fakeRec[1])
 210                                                 fakeRecList.remove(fakeRec)
 211                                 fakeRec = None
 212                                 for entry in overlaplist:
 213                                         if entry[1] == timer:
 214                                                 overlaplist.remove(entry)
 215                         else:
 216                                 print "Bug: unknown flag!"
 217                         self.nrep_eventlist[idx] = (event[0],event[1],event[2],cnt,overlaplist[:]) # insert a duplicate into current overlaplist
 218                         idx += 1
 219
 220                 if ConflictTimer is None: # no conflict found :)
 221                         return True
 222
 223 ##################################################################################
 224 # we have detected a conflict, now we must figure out the involved timers
 225
 226                 if self.newtimer is not None: # new timer?
 227                         if self.newtimer is not ConflictTimer: # the new timer is not the conflicting timer?
 228                                 for event in self.nrep_eventlist:
 229                                         if len(event[4]) > 1: # entry in overlaplist of this event??
 230                                                 kt = False
 231                                                 nt = False
 232                                                 for entry in event[4]:
 233                                                         if entry[1] is ConflictTimer:
 234                                                                 kt = True
 235                                                         if entry[1] is self.newtimer:
 236                                                                 nt = True
 237                                                 if nt and kt:
 238                                                         ConflictTimer = self.newtimer
 239                                                         ConflictTunerType = newTimerTunerType
 240                                                         break
 241
 242                 self.simultimer = [ ConflictTimer ]
 243                 for event in self.nrep_eventlist:
 244                         if len(event[4]) > 1: # entry in overlaplist of this event??
 245                                 for entry in event[4]:
 246                                         if entry[1] is ConflictTimer:
 247                                                 break
 248                                 else:
 249                                         continue
 250                                 for entry in event[4]:
 251                                         if not entry[1] in self.simultimer:
 252                                                 for x in entry[2]:
 253                                                         if x in ConflictTunerType:
 254                                                                 self.simultimer.append(entry[1])
 255                                                                 break
 256
 257                 if len(self.simultimer) < 2:
 258                         print "Bug: unknown Conflict!"
 259
 260                 return False # conflict detected!