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                                                 fl1 = timer.service_ref.ref.flags & eServiceReference.isGroup
  40                                                 fl2 = self.newtimer.service_ref.ref.flags & eServiceReference.isGroup
  41                                                 if fl1 != fl2:
  42                                                         return False
  43                                                 if fl1: #is group
  44                                                         return timer.service_ref.ref.getPath() == self.newtimer.service_ref.ref.getPath()
  45                                                 getUnsignedDataRef1 = timer.service_ref.ref.getUnsignedData
  46                                                 getUnsignedDataRef2 = self.newtimer.service_ref.ref.getUnsignedData
  47                                                 for x in (1, 2, 3, 4):
  48                                                         if getUnsignedDataRef1(x) != getUnsignedDataRef2(x):
  49                                                                 break;
  50                                                 else:
  51                                                         return True
  52                 return False
  53
  54         def checkTimerlist(self, ext_timer=1):
  55                 #with special service for external plugins
  56                 # Entries in eventlist
  57                 # timeindex
  58                 # BeginEndFlag 1 for begin, -1 for end
  59                 # index -1 for the new Timer, 0..n index of the existing timers
  60                 # count of running timers
  61
  62                 serviceHandler = eServiceCenter.getInstance()
  63                 print "checkTimerlist"
  64 # create a list with all start and end times
  65 # split it into recurring and singleshot timers
  66
  67 ##################################################################################
  68 # process the new timer
  69                 self.rep_eventlist = []
  70                 self.nrep_eventlist = []
  71                 if ext_timer != 1:
  72                         self.newtimer = ext_timer
  73                 if (self.newtimer is not None) and (not self.newtimer.disabled):
  74                         if not self.newtimer.service_ref.ref.valid():
  75                                 return False
  76                         rflags = self.newtimer.repeated
  77                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
  78                         if rflags:
  79                                 begin = self.newtimer.begin % 86400 # map to first day
  80                                 if (self.localtimediff > 0) and ((begin + self.localtimediff) > 86400):
  81                                         rflags = ((rflags >> 1)& 0x3F)|((rflags << 6)& 0x40)
  82                                 elif (self.localtimediff < 0) and (begin < self.localtimediff):
  83                                         rflags = ((rflags << 1)& 0x7E)|((rflags >> 6)& 0x01)
  84                                 while rflags: # then arrange on the week
  85                                         if rflags & 1:
  86                                                 self.rep_eventlist.append((begin, -1))
  87                                         begin += 86400
  88                                         rflags >>= 1
  89                         else:
  90                                 self.nrep_eventlist.extend([(self.newtimer.begin,self.bflag,-1),(self.newtimer.end,self.eflag,-1)])
  91
  92 ##################################################################################
  93 # now process existing timers
  94                 idx = 0
  95                 for timer in self.timerlist:
  96                         if (timer != self.newtimer) and (not timer.disabled):
  97                                 if timer.repeated:
  98                                         rflags = timer.repeated
  99                                         rflags = ((rflags & 0x7F)>> 3)|((rflags & 0x07)<<4)
 100                                         begin = timer.begin % 86400 # map all to first day
 101                                         if (self.localtimediff > 0) and ((begin + self.localtimediff) > 86400):
 102                                                 rflags = ((rflags >> 1)& 0x3F)|((rflags << 6)& 0x40)
 103                                         elif (self.localtimediff < 0) and (begin < self.localtimediff):
 104                                                 rflags = ((rflags << 1)& 0x7E)|((rflags >> 6)& 0x01)
 105                                         while rflags:
 106                                                 if rflags & 1:
 107                                                         self.rep_eventlist.append((begin, idx))
 108                                                 begin += 86400
 109                                                 rflags >>= 1
 110                                 else:
 111                                         self.nrep_eventlist.extend([(timer.begin,self.bflag,idx),(timer.end,self.eflag,idx)])
 112                         idx += 1
 113
 114 ################################################################################
 115 # journalize timer repeations
 116                 if self.nrep_eventlist:
 117                         interval_begin = min(self.nrep_eventlist)[0]
 118                         interval_end = max(self.nrep_eventlist)[0]
 119                         offset_0 = interval_begin - (interval_begin % 604800)
 120                         weeks = (interval_end - offset_0) / 604800
 121                         if ((interval_end - offset_0) % 604800):
 122                                 weeks += 1
 123                         for cnt in range(weeks):
 124                                 for event in self.rep_eventlist:
 125                                         if event[1] == -1: # -1 is the identifier of the changed timer
 126                                                 event_begin = self.newtimer.begin
 127                                                 event_end = self.newtimer.end
 128                                         else:
 129                                                 event_begin = self.timerlist[event[1]].begin
 130                                                 event_end = self.timerlist[event[1]].end
 131                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 132                                         # summertime correction
 133                                         new_lth = localtime(new_event_begin).tm_hour
 134                                         new_event_begin += 3600 * (localtime(event_begin).tm_hour - new_lth)
 135                                         new_event_end = new_event_begin + (event_end - event_begin)
 136                                         if event[1] == -1:
 137                                                 if new_event_begin >= self.newtimer.begin: # is the soap already running?
 138                                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 139                                         else:
 140                                                 if new_event_begin >= self.timerlist[event[1]].begin: # is the soap already running?
 141                                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 142                 else:
 143                         offset_0 = 345600 # the Epoch begins on Thursday
 144                         for cnt in (0, 1): # test two weeks to take care of Sunday-Monday transitions
 145                                 for event in self.rep_eventlist:
 146                                         if event[1] == -1: # -1 is the identifier of the changed timer
 147                                                 event_begin = self.newtimer.begin
 148                                                 event_end = self.newtimer.end
 149                                         else:
 150                                                 event_begin = self.timerlist[event[1]].begin
 151                                                 event_end = self.timerlist[event[1]].end
 152                                         new_event_begin = event[0] + offset_0 + (cnt * 604800)
 153                                         new_event_end = new_event_begin + (event_end - event_begin)
 154                                         self.nrep_eventlist.extend([(new_event_begin, self.bflag, event[1]),(new_event_end, self.eflag, event[1])])
 155
 156 ################################################################################
 157 # order list chronological
 158                 self.nrep_eventlist.sort()
 159
 160 ##################################################################################
 161 # detect overlapping timers and overlapping times
 162                 fakeRecList = []
 163                 ConflictTimer = None
 164                 ConflictTunerType = None
 165                 newTimerTunerType = None
 166                 cnt = 0
 167                 idx = 0
 168                 overlaplist = []
 169                 for event in self.nrep_eventlist:
 170                         cnt += event[1]
 171                         if event[2] == -1: # new timer
 172                                 timer = self.newtimer
 173                         else:
 174                                 timer = self.timerlist[event[2]]
 175                         if event[1] == self.bflag:
 176                                 tunerType = [ ]
 177                                 fakeRecService = NavigationInstance.instance.recordService(timer.service_ref, True)
 178                                 if fakeRecService:
 179                                         fakeRecResult = fakeRecService.start(True)
 180                                 else:
 181                                         fakeRecResult = -1
 182                                 if not fakeRecResult: # tune okay
 183                                         feinfo = fakeRecService.frontendInfo().getFrontendData()
 184                                         tunerType.append(feinfo.get("tuner_type"))
 185                                 else: # tune failed.. so we must go another way to get service type (DVB-S, DVB-T, DVB-C)
 186
 187                                         def getServiceType(ref): # helper function to get a service type of a service reference
 188                                                 serviceInfo = serviceHandler.info(ref)
 189                                                 serviceInfo = serviceInfo and serviceInfo.getInfoObject(ref, iServiceInformation.sTransponderData)
 190                                                 return serviceInfo and serviceInfo["tuner_type"] or ""
 191
 192                                         ref = timer.service_ref.ref
 193                                         if ref.flags & eServiceReference.isGroup: # service group ?
 194                                                 serviceList = serviceHandler.list(ref) # get all alternative services
 195                                                 if serviceList:
 196                                                         for ref in serviceList.getContent("R"): # iterate over all group service references
 197                                                                 type = getServiceType(ref)
 198                                                                 if not type in tunerType: # just add single time
 199                                                                         tunerType.append(type)
 200                                         else:
 201                                                 tunerType.append(getServiceType(ref))
 202
 203                                 if event[2] == -1: # new timer
 204                                         newTimerTunerType = tunerType
 205                                 overlaplist.append((fakeRecResult, timer, tunerType))
 206                                 fakeRecList.append((timer, fakeRecService))
 207                                 if fakeRecResult:
 208                                         if ConflictTimer is None: # just take care of the first conflict
 209                                                 ConflictTimer = timer
 210                                                 ConflictTunerType = tunerType
 211                         elif event[1] == self.eflag:
 212                                 for fakeRec in fakeRecList:
 213                                         if timer == fakeRec[0] and fakeRec[1]:
 214                                                 NavigationInstance.instance.stopRecordService(fakeRec[1])
 215                                                 fakeRecList.remove(fakeRec)
 216                                 fakeRec = None
 217                                 for entry in overlaplist:
 218                                         if entry[1] == timer:
 219                                                 overlaplist.remove(entry)
 220                         else:
 221                                 print "Bug: unknown flag!"
 222                         self.nrep_eventlist[idx] = (event[0],event[1],event[2],cnt,overlaplist[:]) # insert a duplicate into current overlaplist
 223                         idx += 1
 224
 225                 if ConflictTimer is None: # no conflict found :)
 226                         return True
 227
 228 ##################################################################################
 229 # we have detected a conflict, now we must figure out the involved timers
 230
 231                 if self.newtimer is not None: # new timer?
 232                         if self.newtimer is not ConflictTimer: # the new timer is not the conflicting timer?
 233                                 for event in self.nrep_eventlist:
 234                                         if len(event[4]) > 1: # entry in overlaplist of this event??
 235                                                 kt = False
 236                                                 nt = False
 237                                                 for entry in event[4]:
 238                                                         if entry[1] is ConflictTimer:
 239                                                                 kt = True
 240                                                         if entry[1] is self.newtimer:
 241                                                                 nt = True
 242                                                 if nt and kt:
 243                                                         ConflictTimer = self.newtimer
 244                                                         ConflictTunerType = newTimerTunerType
 245                                                         break
 246
 247                 self.simultimer = [ ConflictTimer ]
 248                 for event in self.nrep_eventlist:
 249                         if len(event[4]) > 1: # entry in overlaplist of this event??
 250                                 for entry in event[4]:
 251                                         if entry[1] is ConflictTimer:
 252                                                 break
 253                                 else:
 254                                         continue
 255                                 for entry in event[4]:
 256                                         if not entry[1] in self.simultimer:
 257                                                 for x in entry[2]:
 258                                                         if x in ConflictTunerType:
 259                                                                 self.simultimer.append(entry[1])
 260                                                                 break
 261
 262                 if len(self.simultimer) < 2:
 263                         print "Bug: unknown Conflict!"
 264
 265                 return False # conflict detected!