fix: comparison is always true due to limited range of data type
[openblackhole/openblackhole-enigma2.git] / lib / dvb / epgcache.cpp
1 #include <lib/dvb/epgcache.h>
2 #include <lib/dvb/dvb.h>
3
4 #undef EPG_DEBUG  
5
6 #ifdef EPG_DEBUG
7 #include <lib/service/event.h>
8 #endif
9
10 #include <time.h>
11 #include <unistd.h>  // for usleep
12 #include <sys/vfs.h> // for statfs
13 // #include <libmd5sum.h>
14 #include <lib/base/eerror.h>
15 #include <lib/base/estring.h>
16 #include <lib/dvb/pmt.h>
17 #include <lib/dvb/db.h>
18 #include <lib/python/python.h>
19 #include <dvbsi++/descriptor_tag.h>
20
21 int eventData::CacheSize=0;
22 descriptorMap eventData::descriptors;
23 __u8 eventData::data[4108];
24 extern const uint32_t crc32_table[256];
25
26 const eServiceReference &handleGroup(const eServiceReference &ref)
27 {
28         if (ref.flags & eServiceReference::isGroup)
29         {
30                 ePtr<eDVBResourceManager> res;
31                 if (!eDVBResourceManager::getInstance(res))
32                 {
33                         ePtr<iDVBChannelList> db;
34                         if (!res->getChannelList(db))
35                         {
36                                 eBouquet *bouquet=0;
37                                 if (!db->getBouquet(ref, bouquet))
38                                 {
39                                         std::list<eServiceReference>::iterator it(bouquet->m_services.begin());
40                                         if (it != bouquet->m_services.end())
41                                                 return *it;
42                                 }
43                         }
44                 }
45         }
46         return ref;
47 }
48
49 eventData::eventData(const eit_event_struct* e, int size, int type)
50         :ByteSize(size&0xFF), type(type&0xFF)
51 {
52         if (!e)
53                 return;
54
55         __u32 descr[65];
56         __u32 *pdescr=descr;
57
58         __u8 *data = (__u8*)e;
59         int ptr=12;
60         size -= 12;
61
62         while(size > 1)
63         {
64                 __u8 *descr = data+ptr;
65                 int descr_len = descr[1];
66                 descr_len += 2;
67                 if (size >= descr_len)
68                 {
69                         switch (descr[0])
70                         {
71                                 case EXTENDED_EVENT_DESCRIPTOR:
72                                 case SHORT_EVENT_DESCRIPTOR:
73                                 case LINKAGE_DESCRIPTOR:
74                                 case COMPONENT_DESCRIPTOR:
75                                 {
76                                         __u32 crc = 0;
77                                         int cnt=0;
78                                         while(cnt++ < descr_len)
79                                                 crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ data[ptr++]) & 0xFF];
80         
81                                         descriptorMap::iterator it =
82                                                 descriptors.find(crc);
83                                         if ( it == descriptors.end() )
84                                         {
85                                                 CacheSize+=descr_len;
86                                                 __u8 *d = new __u8[descr_len];
87                                                 memcpy(d, descr, descr_len);
88                                                 descriptors[crc] = descriptorPair(1, d);
89                                         }
90                                         else
91                                                 ++it->second.first;
92                                         *pdescr++=crc;
93                                         break;
94                                 }
95                                 default: // do not cache all other descriptors
96                                         ptr += descr_len;
97                                         break;
98                         }
99                         size -= descr_len;
100                 }
101                 else
102                         break;
103         }
104         ASSERT(pdescr <= &descr[65]);
105         ByteSize = 10+((pdescr-descr)*4);
106         EITdata = new __u8[ByteSize];
107         CacheSize+=ByteSize;
108         memcpy(EITdata, (__u8*) e, 10);
109         memcpy(EITdata+10, descr, ByteSize-10);
110 }
111
112 const eit_event_struct* eventData::get() const
113 {
114         int pos = 12;
115         int tmp = ByteSize-10;
116         memcpy(data, EITdata, 10);
117         int descriptors_length=0;
118         __u32 *p = (__u32*)(EITdata+10);
119         while(tmp>3)
120         {
121                 descriptorMap::iterator it =
122                         descriptors.find(*p++);
123                 if ( it != descriptors.end() )
124                 {
125                         int b = it->second.second[1]+2;
126                         memcpy(data+pos, it->second.second, b );
127                         pos += b;
128                         descriptors_length += b;
129                 }
130                 else
131                         eFatal("LINE %d descriptor not found in descriptor cache %08x!!!!!!", __LINE__, *(p-1));
132                 tmp-=4;
133         }
134         ASSERT(pos <= 4108);
135         data[10] = (descriptors_length >> 8) & 0x0F;
136         data[11] = descriptors_length & 0xFF;
137         return (eit_event_struct*)data;
138 }
139
140 eventData::~eventData()
141 {
142         if ( ByteSize )
143         {
144                 CacheSize -= ByteSize;
145                 __u32 *d = (__u32*)(EITdata+10);
146                 ByteSize -= 10;
147                 while(ByteSize>3)
148                 {
149                         descriptorMap::iterator it =
150                                 descriptors.find(*d++);
151                         if ( it != descriptors.end() )
152                         {
153                                 descriptorPair &p = it->second;
154                                 if (!--p.first) // no more used descriptor
155                                 {
156                                         CacheSize -= it->second.second[1];
157                                         delete [] it->second.second;    // free descriptor memory
158                                         descriptors.erase(it);  // remove entry from descriptor map
159                                 }
160                         }
161                         else
162                                 eFatal("LINE %d descriptor not found in descriptor cache %08x!!!!!!", __LINE__, *(d-1));
163                         ByteSize -= 4;
164                 }
165                 delete [] EITdata;
166         }
167 }
168
169 void eventData::load(FILE *f)
170 {
171         int size=0;
172         int id=0;
173         __u8 header[2];
174         descriptorPair p;
175         fread(&size, sizeof(int), 1, f);
176         while(size)
177         {
178                 fread(&id, sizeof(__u32), 1, f);
179                 fread(&p.first, sizeof(int), 1, f);
180                 fread(header, 2, 1, f);
181                 int bytes = header[1]+2;
182                 p.second = new __u8[bytes];
183                 p.second[0] = header[0];
184                 p.second[1] = header[1];
185                 fread(p.second+2, bytes-2, 1, f);
186                 descriptors[id]=p;
187                 --size;
188                 CacheSize+=bytes;
189         }
190 }
191
192 void eventData::save(FILE *f)
193 {
194         int size=descriptors.size();
195         descriptorMap::iterator it(descriptors.begin());
196         fwrite(&size, sizeof(int), 1, f);
197         while(size)
198         {
199                 fwrite(&it->first, sizeof(__u32), 1, f);
200                 fwrite(&it->second.first, sizeof(int), 1, f);
201                 fwrite(it->second.second, it->second.second[1]+2, 1, f);
202                 ++it;
203                 --size;
204         }
205 }
206
207 eEPGCache* eEPGCache::instance;
208 pthread_mutex_t eEPGCache::cache_lock=
209         PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
210 pthread_mutex_t eEPGCache::channel_map_lock=
211         PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
212
213 DEFINE_REF(eEPGCache)
214
215 eEPGCache::eEPGCache()
216         :messages(this,1), cleanTimer(this)//, paused(0)
217 {
218         eDebug("[EPGC] Initialized EPGCache");
219
220         CONNECT(messages.recv_msg, eEPGCache::gotMessage);
221         CONNECT(eDVBLocalTimeHandler::getInstance()->m_timeUpdated, eEPGCache::timeUpdated);
222         CONNECT(cleanTimer.timeout, eEPGCache::cleanLoop);
223
224         ePtr<eDVBResourceManager> res_mgr;
225         eDVBResourceManager::getInstance(res_mgr);
226         if (!res_mgr)
227                 eDebug("[eEPGCache] no resource manager !!!!!!!");
228         else
229         {
230                 res_mgr->connectChannelAdded(slot(*this,&eEPGCache::DVBChannelAdded), m_chanAddedConn);
231                 if (eDVBLocalTimeHandler::getInstance()->ready())
232                         timeUpdated();
233         }
234         instance=this;
235 }
236
237 void eEPGCache::timeUpdated()
238 {
239         if (!sync())
240         {
241                 eDebug("[EPGC] time updated.. start EPG Mainloop");
242                 run();
243         } else
244                 messages.send(Message(Message::timeChanged));
245 }
246
247 void eEPGCache::DVBChannelAdded(eDVBChannel *chan)
248 {
249         if ( chan )
250         {
251 //              eDebug("[eEPGCache] add channel %p", chan);
252                 channel_data *data = new channel_data(this);
253                 data->channel = chan;
254                 data->prevChannelState = -1;
255 #ifdef ENABLE_PRIVATE_EPG
256                 data->m_PrivatePid = -1;
257 #endif
258                 singleLock s(channel_map_lock);
259                 m_knownChannels.insert( std::pair<iDVBChannel*, channel_data* >(chan, data) );
260                 chan->connectStateChange(slot(*this, &eEPGCache::DVBChannelStateChanged), data->m_stateChangedConn);
261         }
262 }
263
264 void eEPGCache::DVBChannelRunning(iDVBChannel *chan)
265 {
266         channelMapIterator it =
267                 m_knownChannels.find(chan);
268         if ( it == m_knownChannels.end() )
269                 eDebug("[eEPGCache] will start non existing channel %p !!!", chan);
270         else
271         {
272                 channel_data &data = *it->second;
273                 ePtr<eDVBResourceManager> res_mgr;
274                 if ( eDVBResourceManager::getInstance( res_mgr ) )
275                         eDebug("[eEPGCache] no res manager!!");
276                 else
277                 {
278                         ePtr<iDVBDemux> demux;
279                         if ( data.channel->getDemux(demux, 0) )
280                         {
281                                 eDebug("[eEPGCache] no demux!!");
282                                 return;
283                         }
284                         else
285                         {
286                                 RESULT res = demux->createSectionReader( this, data.m_NowNextReader );
287                                 if ( res )
288                                 {
289                                         eDebug("[eEPGCache] couldnt initialize nownext reader!!");
290                                         return;
291                                 }
292
293                                 res = demux->createSectionReader( this, data.m_ScheduleReader );
294                                 if ( res )
295                                 {
296                                         eDebug("[eEPGCache] couldnt initialize schedule reader!!");
297                                         return;
298                                 }
299
300                                 res = demux->createSectionReader( this, data.m_ScheduleOtherReader );
301                                 if ( res )
302                                 {
303                                         eDebug("[eEPGCache] couldnt initialize schedule other reader!!");
304                                         return;
305                                 }
306 #ifdef ENABLE_PRIVATE_EPG
307                                 res = demux->createSectionReader( this, data.m_PrivateReader );
308                                 if ( res )
309                                 {
310                                         eDebug("[eEPGCache] couldnt initialize private reader!!");
311                                         return;
312                                 }
313 #endif
314 #ifdef ENABLE_MHW_EPG
315                                 res = demux->createSectionReader( this, data.m_MHWReader );
316                                 if ( res )
317                                 {
318                                         eDebug("[eEPGCache] couldnt initialize mhw reader!!");
319                                         return;
320                                 }
321                                 res = demux->createSectionReader( this, data.m_MHWReader2 );
322                                 if ( res )
323                                 {
324                                         eDebug("[eEPGCache] couldnt initialize mhw reader!!");
325                                         return;
326                                 }
327 #endif
328                                 messages.send(Message(Message::startChannel, chan));
329                                 // -> gotMessage -> changedService
330                         }
331                 }
332         }
333 }
334
335 void eEPGCache::DVBChannelStateChanged(iDVBChannel *chan)
336 {
337         channelMapIterator it =
338                 m_knownChannels.find(chan);
339         if ( it != m_knownChannels.end() )
340         {
341                 int state=0;
342                 chan->getState(state);
343                 if ( it->second->prevChannelState != state )
344                 {
345                         switch (state)
346                         {
347                                 case iDVBChannel::state_ok:
348                                 {
349                                         eDebug("[eEPGCache] channel %p running", chan);
350                                         DVBChannelRunning(chan);
351                                         break;
352                                 }
353                                 case iDVBChannel::state_release:
354                                 {
355                                         eDebug("[eEPGCache] remove channel %p", chan);
356                                         messages.send(Message(Message::leaveChannel, chan));
357                                         pthread_mutex_lock(&it->second->channel_active);
358                                         singleLock s(channel_map_lock);
359                                         m_knownChannels.erase(it);
360                                         pthread_mutex_unlock(&it->second->channel_active);
361                                         delete it->second;
362                                         it->second=0;
363                                         // -> gotMessage -> abortEPG
364                                         break;
365                                 }
366                                 default: // ignore all other events
367                                         return;
368                         }
369                         if (it->second)
370                                 it->second->prevChannelState = state;
371                 }
372         }
373 }
374
375 bool eEPGCache::FixOverlapping(std::pair<eventMap,timeMap> &servicemap, time_t TM, int duration, const timeMap::iterator &tm_it, const uniqueEPGKey &service)
376 {
377         bool ret = false;
378         timeMap::iterator tmp = tm_it;
379         while ((tmp->first+tmp->second->getDuration()-300) > TM)
380         {
381                 if(tmp->first != TM 
382 #ifdef ENABLE_PRIVATE_EPG
383                         && tmp->second->type != PRIVATE 
384 #endif
385 #ifdef ENABLE_MHW
386                         && tmp->second->type != MHW
387 #endif
388                         )
389                 {
390                         __u16 event_id = tmp->second->getEventID();
391                         servicemap.first.erase(event_id);
392 #ifdef EPG_DEBUG
393                         Event evt((uint8_t*)tmp->second->get());
394                         eServiceEvent event;
395                         event.parseFrom(&evt, service.sid<<16|service.onid);
396                         eDebug("(1)erase no more used event %04x %d\n%s %s\n%s",
397                                 service.sid, event_id,
398                                 event.getBeginTimeString().c_str(),
399                                 event.getEventName().c_str(),
400                                 event.getExtendedDescription().c_str());
401 #endif
402                         delete tmp->second;
403                         if (tmp == servicemap.second.begin())
404                         {
405                                 servicemap.second.erase(tmp);
406                                 break;
407                         }
408                         else
409                                 servicemap.second.erase(tmp--);
410                         ret = true;
411                 }
412                 else
413                 {
414                         if (tmp == servicemap.second.begin())
415                                 break;
416                         --tmp;
417                 }
418         }
419
420         tmp = tm_it;
421         while(tmp->first < (TM+duration-300))
422         {
423                 if (tmp->first != TM && tmp->second->type != PRIVATE)
424                 {
425                         __u16 event_id = tmp->second->getEventID();
426                         servicemap.first.erase(event_id);
427 #ifdef EPG_DEBUG  
428                         Event evt((uint8_t*)tmp->second->get());
429                         eServiceEvent event;
430                         event.parseFrom(&evt, service.sid<<16|service.onid);
431                         eDebug("(2)erase no more used event %04x %d\n%s %s\n%s",
432                                 service.sid, event_id,
433                                 event.getBeginTimeString().c_str(),
434                                 event.getEventName().c_str(),
435                                 event.getExtendedDescription().c_str());
436 #endif
437                         delete tmp->second;
438                         servicemap.second.erase(tmp++);
439                         ret = true;
440                 }
441                 else
442                         ++tmp;
443                 if (tmp == servicemap.second.end())
444                         break;
445         }
446         return ret;
447 }
448
449 void eEPGCache::sectionRead(const __u8 *data, int source, channel_data *channel)
450 {
451         eit_t *eit = (eit_t*) data;
452
453         int len=HILO(eit->section_length)-1;//+3-4;
454         int ptr=EIT_SIZE;
455         if ( ptr >= len )
456                 return;
457
458         // This fixed the EPG on the Multichoice irdeto systems
459         // the EIT packet is non-compliant.. their EIT packet stinks
460         if ( data[ptr-1] < 0x40 )
461                 --ptr;
462
463         // Cablecom HACK .. tsid / onid in eit data are incorrect.. so we use
464         // it from running channel (just for current transport stream eit data)
465         bool use_transponder_chid = source == SCHEDULE || (source == NOWNEXT && data[0] == 0x4E);
466         eDVBChannelID chid = channel->channel->getChannelID();
467         uniqueEPGKey service( HILO(eit->service_id),
468                 use_transponder_chid ? chid.original_network_id.get() : HILO(eit->original_network_id),
469                 use_transponder_chid ? chid.transport_stream_id.get() : HILO(eit->transport_stream_id));
470
471         eit_event_struct* eit_event = (eit_event_struct*) (data+ptr);
472         int eit_event_size;
473         int duration;
474
475         time_t TM = parseDVBtime( eit_event->start_time_1, eit_event->start_time_2,     eit_event->start_time_3, eit_event->start_time_4, eit_event->start_time_5);
476         time_t now = eDVBLocalTimeHandler::getInstance()->nowTime();
477
478         if ( TM != 3599 && TM > -1)
479                 channel->haveData |= source;
480
481         singleLock s(cache_lock);
482         // hier wird immer eine eventMap zurück gegeben.. entweder eine vorhandene..
483         // oder eine durch [] erzeugte
484         std::pair<eventMap,timeMap> &servicemap = eventDB[service];
485         eventMap::iterator prevEventIt = servicemap.first.end();
486         timeMap::iterator prevTimeIt = servicemap.second.end();
487
488         while (ptr<len)
489         {
490                 eit_event_size = HILO(eit_event->descriptors_loop_length)+EIT_LOOP_SIZE;
491
492                 duration = fromBCD(eit_event->duration_1)*3600+fromBCD(eit_event->duration_2)*60+fromBCD(eit_event->duration_3);
493                 TM = parseDVBtime(
494                         eit_event->start_time_1,
495                         eit_event->start_time_2,
496                         eit_event->start_time_3,
497                         eit_event->start_time_4,
498                         eit_event->start_time_5);
499
500                 if ( TM == 3599 )
501                         goto next;
502
503                 if ( TM != 3599 && (TM+duration < now || TM > now+14*24*60*60) )
504                         goto next;
505
506                 if ( now <= (TM+duration) || TM == 3599 /*NVOD Service*/ )  // old events should not be cached
507                 {
508                         __u16 event_id = HILO(eit_event->event_id);
509 //                      eDebug("event_id is %d sid is %04x", event_id, service.sid);
510
511                         eventData *evt = 0;
512                         int ev_erase_count = 0;
513                         int tm_erase_count = 0;
514
515                         // search in eventmap
516                         eventMap::iterator ev_it =
517                                 servicemap.first.find(event_id);
518
519                         // entry with this event_id is already exist ?
520                         if ( ev_it != servicemap.first.end() )
521                         {
522                                 if ( source > ev_it->second->type )  // update needed ?
523                                         goto next; // when not.. then skip this entry
524
525                                 // search this event in timemap
526                                 timeMap::iterator tm_it_tmp =
527                                         servicemap.second.find(ev_it->second->getStartTime());
528
529                                 if ( tm_it_tmp != servicemap.second.end() )
530                                 {
531                                         if ( tm_it_tmp->first == TM ) // just update eventdata
532                                         {
533                                                 // exempt memory
534                                                 eventData *tmp = ev_it->second;
535                                                 ev_it->second = tm_it_tmp->second =
536                                                         new eventData(eit_event, eit_event_size, source);
537                                                 if (FixOverlapping(servicemap, TM, duration, tm_it_tmp, service))
538                                                 {
539                                                         prevEventIt = servicemap.first.end();
540                                                         prevTimeIt = servicemap.second.end();
541                                                 }
542                                                 delete tmp;
543                                                 goto next;
544                                         }
545                                         else  // event has new event begin time
546                                         {
547                                                 tm_erase_count++;
548                                                 // delete the found record from timemap
549                                                 servicemap.second.erase(tm_it_tmp);
550                                                 prevTimeIt=servicemap.second.end();
551                                         }
552                                 }
553                         }
554
555                         // search in timemap, for check of a case if new time has coincided with time of other event
556                         // or event was is not found in eventmap
557                         timeMap::iterator tm_it =
558                                 servicemap.second.find(TM);
559
560                         if ( tm_it != servicemap.second.end() )
561                         {
562                                 // event with same start time but another event_id...
563                                 if ( source > tm_it->second->type &&
564                                         ev_it == servicemap.first.end() )
565                                         goto next; // when not.. then skip this entry
566
567                                 // search this time in eventmap
568                                 eventMap::iterator ev_it_tmp =
569                                         servicemap.first.find(tm_it->second->getEventID());
570
571                                 if ( ev_it_tmp != servicemap.first.end() )
572                                 {
573                                         ev_erase_count++;
574                                         // delete the found record from eventmap
575                                         servicemap.first.erase(ev_it_tmp);
576                                         prevEventIt=servicemap.first.end();
577                                 }
578                         }
579                         evt = new eventData(eit_event, eit_event_size, source);
580 #ifdef EPG_DEBUG
581                         bool consistencyCheck=true;
582 #endif
583                         if (ev_erase_count > 0 && tm_erase_count > 0) // 2 different pairs have been removed
584                         {
585                                 // exempt memory
586                                 delete ev_it->second;
587                                 delete tm_it->second;
588                                 ev_it->second=evt;
589                                 tm_it->second=evt;
590                         }
591                         else if (ev_erase_count == 0 && tm_erase_count > 0)
592                         {
593                                 // exempt memory
594                                 delete ev_it->second;
595                                 tm_it=prevTimeIt=servicemap.second.insert( prevTimeIt, std::pair<const time_t, eventData*>( TM, evt ) );
596                                 ev_it->second=evt;
597                         }
598                         else if (ev_erase_count > 0 && tm_erase_count == 0)
599                         {
600                                 // exempt memory
601                                 delete tm_it->second;
602                                 ev_it=prevEventIt=servicemap.first.insert( prevEventIt, std::pair<const __u16, eventData*>( event_id, evt) );
603                                 tm_it->second=evt;
604                         }
605                         else // added new eventData
606                         {
607 #ifdef EPG_DEBUG
608                                 consistencyCheck=false;
609 #endif
610                                 ev_it=prevEventIt=servicemap.first.insert( prevEventIt, std::pair<const __u16, eventData*>( event_id, evt) );
611                                 tm_it=prevTimeIt=servicemap.second.insert( prevTimeIt, std::pair<const time_t, eventData*>( TM, evt ) );
612                         }
613
614 #ifdef EPG_DEBUG
615                         if ( consistencyCheck )
616                         {
617                                 if ( tm_it->second != evt || ev_it->second != evt )
618                                         eFatal("tm_it->second != ev_it->second");
619                                 else if ( tm_it->second->getStartTime() != tm_it->first )
620                                         eFatal("event start_time(%d) non equal timemap key(%d)",
621                                                 tm_it->second->getStartTime(), tm_it->first );
622                                 else if ( tm_it->first != TM )
623                                         eFatal("timemap key(%d) non equal TM(%d)",
624                                                 tm_it->first, TM);
625                                 else if ( ev_it->second->getEventID() != ev_it->first )
626                                         eFatal("event_id (%d) non equal event_map key(%d)",
627                                                 ev_it->second->getEventID(), ev_it->first);
628                                 else if ( ev_it->first != event_id )
629                                         eFatal("eventmap key(%d) non equal event_id(%d)",
630                                                 ev_it->first, event_id );
631                         }
632 #endif
633                         if (FixOverlapping(servicemap, TM, duration, tm_it, service))
634                         {
635                                 prevEventIt = servicemap.first.end();
636                                 prevTimeIt = servicemap.second.end();
637                         }
638                 }
639 next:
640 #ifdef EPG_DEBUG
641                 if ( servicemap.first.size() != servicemap.second.size() )
642                 {
643                         FILE *f = fopen("/hdd/event_map.txt", "w+");
644                         int i=0;
645                         for (eventMap::iterator it(servicemap.first.begin())
646                                 ; it != servicemap.first.end(); ++it )
647                                 fprintf(f, "%d(key %d) -> time %d, event_id %d, data %p\n", 
648                                         i++, (int)it->first, (int)it->second->getStartTime(), (int)it->second->getEventID(), it->second );
649                         fclose(f);
650                         f = fopen("/hdd/time_map.txt", "w+");
651                         i=0;
652                         for (timeMap::iterator it(servicemap.second.begin())
653                                 ; it != servicemap.second.end(); ++it )
654                                         fprintf(f, "%d(key %d) -> time %d, event_id %d, data %p\n", 
655                                                 i++, (int)it->first, (int)it->second->getStartTime(), (int)it->second->getEventID(), it->second );
656                         fclose(f);
657
658                         eFatal("(1)map sizes not equal :( sid %04x tsid %04x onid %04x size %d size2 %d", 
659                                 service.sid, service.tsid, service.onid, 
660                                 servicemap.first.size(), servicemap.second.size() );
661                 }
662 #endif
663                 ptr += eit_event_size;
664                 eit_event=(eit_event_struct*)(((__u8*)eit_event)+eit_event_size);
665         }
666 }
667
668 void eEPGCache::flushEPG(const uniqueEPGKey & s)
669 {
670         eDebug("[EPGC] flushEPG %d", (int)(bool)s);
671         singleLock l(cache_lock);
672         if (s)  // clear only this service
673         {
674                 eventCache::iterator it = eventDB.find(s);
675                 if ( it != eventDB.end() )
676                 {
677                         eventMap &evMap = it->second.first;
678                         timeMap &tmMap = it->second.second;
679                         tmMap.clear();
680                         for (eventMap::iterator i = evMap.begin(); i != evMap.end(); ++i)
681                                 delete i->second;
682                         evMap.clear();
683                         eventDB.erase(it);
684
685                         // TODO .. search corresponding channel for removed service and remove this channel from lastupdated map
686 #ifdef ENABLE_PRIVATE_EPG
687                         contentMaps::iterator it =
688                                 content_time_tables.find(s);
689                         if ( it != content_time_tables.end() )
690                         {
691                                 it->second.clear();
692                                 content_time_tables.erase(it);
693                         }
694 #endif
695                 }
696         }
697         else // clear complete EPG Cache
698         {
699                 for (eventCache::iterator it(eventDB.begin());
700                         it != eventDB.end(); ++it)
701                 {
702                         eventMap &evMap = it->second.first;
703                         timeMap &tmMap = it->second.second;
704                         for (eventMap::iterator i = evMap.begin(); i != evMap.end(); ++i)
705                                 delete i->second;
706                         evMap.clear();
707                         tmMap.clear();
708                 }
709                 eventDB.clear();
710 #ifdef ENABLE_PRIVATE_EPG
711                 content_time_tables.clear();
712 #endif
713                 channelLastUpdated.clear();
714                 singleLock m(channel_map_lock);
715                 for (channelMapIterator it(m_knownChannels.begin()); it != m_knownChannels.end(); ++it)
716                         it->second->startEPG();
717         }
718         eDebug("[EPGC] %i bytes for cache used", eventData::CacheSize);
719 }
720
721 void eEPGCache::cleanLoop()
722 {
723         singleLock s(cache_lock);
724         if (!eventDB.empty())
725         {
726                 eDebug("[EPGC] start cleanloop");
727
728                 time_t now = eDVBLocalTimeHandler::getInstance()->nowTime();
729
730                 for (eventCache::iterator DBIt = eventDB.begin(); DBIt != eventDB.end(); DBIt++)
731                 {
732                         bool updated = false;
733                         for (timeMap::iterator It = DBIt->second.second.begin(); It != DBIt->second.second.end() && It->first < now;)
734                         {
735                                 if ( now > (It->first+It->second->getDuration()) )  // outdated normal entry (nvod references to)
736                                 {
737                                         // remove entry from eventMap
738                                         eventMap::iterator b(DBIt->second.first.find(It->second->getEventID()));
739                                         if ( b != DBIt->second.first.end() )
740                                         {
741                                                 // release Heap Memory for this entry   (new ....)
742 //                                              eDebug("[EPGC] delete old event (evmap)");
743                                                 DBIt->second.first.erase(b);
744                                         }
745
746                                         // remove entry from timeMap
747 //                                      eDebug("[EPGC] release heap mem");
748                                         delete It->second;
749                                         DBIt->second.second.erase(It++);
750 //                                      eDebug("[EPGC] delete old event (timeMap)");
751                                         updated = true;
752                                 }
753                                 else
754                                         ++It;
755                         }
756 #ifdef ENABLE_PRIVATE_EPG
757                         if ( updated )
758                         {
759                                 contentMaps::iterator x =
760                                         content_time_tables.find( DBIt->first );
761                                 if ( x != content_time_tables.end() )
762                                 {
763                                         timeMap &tmMap = DBIt->second.second;
764                                         for ( contentMap::iterator i = x->second.begin(); i != x->second.end(); )
765                                         {
766                                                 for ( contentTimeMap::iterator it(i->second.begin());
767                                                         it != i->second.end(); )
768                                                 {
769                                                         if ( tmMap.find(it->second.first) == tmMap.end() )
770                                                                 i->second.erase(it++);
771                                                         else
772                                                                 ++it;
773                                                 }
774                                                 if ( i->second.size() )
775                                                         ++i;
776                                                 else
777                                                         x->second.erase(i++);
778                                         }
779                                 }
780                         }
781 #endif
782                 }
783                 eDebug("[EPGC] stop cleanloop");
784                 eDebug("[EPGC] %i bytes for cache used", eventData::CacheSize);
785         }
786         cleanTimer.start(CLEAN_INTERVAL,true);
787 }
788
789 eEPGCache::~eEPGCache()
790 {
791         messages.send(Message::quit);
792         kill(); // waiting for thread shutdown
793         singleLock s(cache_lock);
794         for (eventCache::iterator evIt = eventDB.begin(); evIt != eventDB.end(); evIt++)
795                 for (eventMap::iterator It = evIt->second.first.begin(); It != evIt->second.first.end(); It++)
796                         delete It->second;
797 }
798
799 void eEPGCache::gotMessage( const Message &msg )
800 {
801         switch (msg.type)
802         {
803                 case Message::flush:
804                         flushEPG(msg.service);
805                         break;
806                 case Message::startChannel:
807                 {
808                         singleLock s(channel_map_lock);
809                         channelMapIterator channel =
810                                 m_knownChannels.find(msg.channel);
811                         if ( channel != m_knownChannels.end() )
812                                 channel->second->startChannel();
813                         break;
814                 }
815                 case Message::leaveChannel:
816                 {
817                         singleLock s(channel_map_lock);
818                         channelMapIterator channel =
819                                 m_knownChannels.find(msg.channel);
820                         if ( channel != m_knownChannels.end() )
821                                 channel->second->abortEPG();
822                         break;
823                 }
824                 case Message::quit:
825                         quit(0);
826                         break;
827 #ifdef ENABLE_PRIVATE_EPG
828                 case Message::got_private_pid:
829                 {
830                         singleLock s(channel_map_lock);
831                         for (channelMapIterator it(m_knownChannels.begin()); it != m_knownChannels.end(); ++it)
832                         {
833                                 eDVBChannel *channel = (eDVBChannel*) it->first;
834                                 channel_data *data = it->second;
835                                 eDVBChannelID chid = channel->getChannelID();
836                                 if ( chid.transport_stream_id.get() == msg.service.tsid &&
837                                         chid.original_network_id.get() == msg.service.onid &&
838                                         data->m_PrivatePid == -1 )
839                                 {
840                                         data->m_PrevVersion = -1;
841                                         data->m_PrivatePid = msg.pid;
842                                         data->m_PrivateService = msg.service;
843                                         int onid = chid.original_network_id.get();
844                                         onid |= 0x80000000;  // we use highest bit as private epg indicator
845                                         chid.original_network_id = onid;
846                                         updateMap::iterator It = channelLastUpdated.find( chid );
847                                         int update = ( It != channelLastUpdated.end() ? ( UPDATE_INTERVAL - ( (eDVBLocalTimeHandler::getInstance()->nowTime()-It->second) * 1000 ) ) : ZAP_DELAY );
848                                         if (update < ZAP_DELAY)
849                                                 update = ZAP_DELAY;
850                                         data->startPrivateTimer.start(update, 1);
851                                         if (update >= 60000)
852                                                 eDebug("[EPGC] next private update in %i min", update/60000);
853                                         else if (update >= 1000)
854                                                 eDebug("[EPGC] next private update in %i sec", update/1000);
855                                         break;
856                                 }
857                         }
858                         break;
859                 }
860 #endif
861                 case Message::timeChanged:
862                         cleanLoop();
863                         break;
864                 default:
865                         eDebug("unhandled EPGCache Message!!");
866                         break;
867         }
868 }
869
870 void eEPGCache::thread()
871 {
872         hasStarted();
873         nice(4);
874         load();
875         cleanLoop();
876         runLoop();
877         save();
878 }
879
880 void eEPGCache::load()
881 {
882         FILE *f = fopen("/hdd/epg.dat", "r");
883         if (f)
884         {
885                 unlink("/hdd/epg.dat");
886                 int size=0;
887                 int cnt=0;
888 #if 0
889                 unsigned char md5_saved[16];
890                 unsigned char md5[16];
891                 bool md5ok=false;
892
893                 if (!md5_file("/hdd/epg.dat", 1, md5))
894                 {
895                         FILE *f = fopen("/hdd/epg.dat.md5", "r");
896                         if (f)
897                         {
898                                 fread( md5_saved, 16, 1, f);
899                                 fclose(f);
900                                 if ( !memcmp(md5_saved, md5, 16) )
901                                         md5ok=true;
902                         }
903                 }
904                 if ( md5ok )
905 #endif
906                 {
907                         unsigned int magic=0;
908                         fread( &magic, sizeof(int), 1, f);
909                         if (magic != 0x98765432)
910                         {
911                                 eDebug("[EPGC] epg file has incorrect byte order.. dont read it");
912                                 fclose(f);
913                                 return;
914                         }
915                         char text1[13];
916                         fread( text1, 13, 1, f);
917                         if ( !strncmp( text1, "ENIGMA_EPG_V7", 13) )
918                         {
919                                 singleLock s(cache_lock);
920                                 fread( &size, sizeof(int), 1, f);
921                                 while(size--)
922                                 {
923                                         uniqueEPGKey key;
924                                         eventMap evMap;
925                                         timeMap tmMap;
926                                         int size=0;
927                                         fread( &key, sizeof(uniqueEPGKey), 1, f);
928                                         fread( &size, sizeof(int), 1, f);
929                                         while(size--)
930                                         {
931                                                 __u8 len=0;
932                                                 __u8 type=0;
933                                                 eventData *event=0;
934                                                 fread( &type, sizeof(__u8), 1, f);
935                                                 fread( &len, sizeof(__u8), 1, f);
936                                                 event = new eventData(0, len, type);
937                                                 event->EITdata = new __u8[len];
938                                                 eventData::CacheSize+=len;
939                                                 fread( event->EITdata, len, 1, f);
940                                                 evMap[ event->getEventID() ]=event;
941                                                 tmMap[ event->getStartTime() ]=event;
942                                                 ++cnt;
943                                         }
944                                         eventDB[key]=std::pair<eventMap,timeMap>(evMap,tmMap);
945                                 }
946                                 eventData::load(f);
947                                 eDebug("[EPGC] %d events read from /hdd/epg.dat", cnt);
948 #ifdef ENABLE_PRIVATE_EPG
949                                 char text2[11];
950                                 fread( text2, 11, 1, f);
951                                 if ( !strncmp( text2, "PRIVATE_EPG", 11) )
952                                 {
953                                         size=0;
954                                         fread( &size, sizeof(int), 1, f);
955                                         while(size--)
956                                         {
957                                                 int size=0;
958                                                 uniqueEPGKey key;
959                                                 fread( &key, sizeof(uniqueEPGKey), 1, f);
960                                                 eventMap &evMap=eventDB[key].first;
961                                                 fread( &size, sizeof(int), 1, f);
962                                                 while(size--)
963                                                 {
964                                                         int size;
965                                                         int content_id;
966                                                         fread( &content_id, sizeof(int), 1, f);
967                                                         fread( &size, sizeof(int), 1, f);
968                                                         while(size--)
969                                                         {
970                                                                 time_t time1, time2;
971                                                                 __u16 event_id;
972                                                                 fread( &time1, sizeof(time_t), 1, f);
973                                                                 fread( &time2, sizeof(time_t), 1, f);
974                                                                 fread( &event_id, sizeof(__u16), 1, f);
975                                                                 content_time_tables[key][content_id][time1]=std::pair<time_t, __u16>(time2, event_id);
976                                                                 eventMap::iterator it =
977                                                                         evMap.find(event_id);
978                                                                 if (it != evMap.end())
979                                                                         it->second->type = PRIVATE;
980                                                         }
981                                                 }
982                                         }
983                                 }
984 #endif // ENABLE_PRIVATE_EPG
985                         }
986                         else
987                                 eDebug("[EPGC] don't read old epg database");
988                         fclose(f);
989                 }
990         }
991 }
992
993 void eEPGCache::save()
994 {
995         struct statfs s;
996         off64_t tmp;
997         if (statfs("/hdd", &s)<0)
998                 tmp=0;
999         else
1000         {
1001                 tmp=s.f_blocks;
1002                 tmp*=s.f_bsize;
1003         }
1004
1005         // prevent writes to builtin flash
1006         if ( tmp < 1024*1024*50 ) // storage size < 50MB
1007                 return;
1008
1009         // check for enough free space on storage
1010         tmp=s.f_bfree;
1011         tmp*=s.f_bsize;
1012         if ( tmp < (eventData::CacheSize*12)/10 ) // 20% overhead
1013                 return;
1014
1015         FILE *f = fopen("/hdd/epg.dat", "w");
1016         int cnt=0;
1017         if ( f )
1018         {
1019                 unsigned int magic = 0x98765432;
1020                 fwrite( &magic, sizeof(int), 1, f);
1021                 const char *text = "ENIGMA_EPG_V7";
1022                 fwrite( text, 13, 1, f );
1023                 int size = eventDB.size();
1024                 fwrite( &size, sizeof(int), 1, f );
1025                 for (eventCache::iterator service_it(eventDB.begin()); service_it != eventDB.end(); ++service_it)
1026                 {
1027                         timeMap &timemap = service_it->second.second;
1028                         fwrite( &service_it->first, sizeof(uniqueEPGKey), 1, f);
1029                         size = timemap.size();
1030                         fwrite( &size, sizeof(int), 1, f);
1031                         for (timeMap::iterator time_it(timemap.begin()); time_it != timemap.end(); ++time_it)
1032                         {
1033                                 __u8 len = time_it->second->ByteSize;
1034                                 fwrite( &time_it->second->type, sizeof(__u8), 1, f );
1035                                 fwrite( &len, sizeof(__u8), 1, f);
1036                                 fwrite( time_it->second->EITdata, len, 1, f);
1037                                 ++cnt;
1038                         }
1039                 }
1040                 eDebug("[EPGC] %d events written to /hdd/epg.dat", cnt);
1041                 eventData::save(f);
1042 #ifdef ENABLE_PRIVATE_EPG
1043                 const char* text3 = "PRIVATE_EPG";
1044                 fwrite( text3, 11, 1, f );
1045                 size = content_time_tables.size();
1046                 fwrite( &size, sizeof(int), 1, f);
1047                 for (contentMaps::iterator a = content_time_tables.begin(); a != content_time_tables.end(); ++a)
1048                 {
1049                         contentMap &content_time_table = a->second;
1050                         fwrite( &a->first, sizeof(uniqueEPGKey), 1, f);
1051                         int size = content_time_table.size();
1052                         fwrite( &size, sizeof(int), 1, f);
1053                         for (contentMap::iterator i = content_time_table.begin(); i != content_time_table.end(); ++i )
1054                         {
1055                                 int size = i->second.size();
1056                                 fwrite( &i->first, sizeof(int), 1, f);
1057                                 fwrite( &size, sizeof(int), 1, f);
1058                                 for ( contentTimeMap::iterator it(i->second.begin());
1059                                         it != i->second.end(); ++it )
1060                                 {
1061                                         fwrite( &it->first, sizeof(time_t), 1, f);
1062                                         fwrite( &it->second.first, sizeof(time_t), 1, f);
1063                                         fwrite( &it->second.second, sizeof(__u16), 1, f);
1064                                 }
1065                         }
1066                 }
1067 #endif
1068                 fclose(f);
1069 #if 0
1070                 unsigned char md5[16];
1071                 if (!md5_file("/hdd/epg.dat", 1, md5))
1072                 {
1073                         FILE *f = fopen("/hdd/epg.dat.md5", "w");
1074                         if (f)
1075                         {
1076                                 fwrite( md5, 16, 1, f);
1077                                 fclose(f);
1078                         }
1079                 }
1080 #endif
1081         }
1082 }
1083
1084 eEPGCache::channel_data::channel_data(eEPGCache *ml)
1085         :cache(ml)
1086         ,abortTimer(ml), zapTimer(ml), state(0)
1087         ,isRunning(0), haveData(0)
1088 #ifdef ENABLE_PRIVATE_EPG
1089         ,startPrivateTimer(ml)
1090 #endif
1091 #ifdef ENABLE_MHW_EPG
1092         ,m_MHWTimeoutTimer(ml)
1093 #endif
1094 {
1095 #ifdef ENABLE_MHW_EPG
1096         CONNECT(m_MHWTimeoutTimer.timeout, eEPGCache::channel_data::MHWTimeout);
1097 #endif
1098         CONNECT(zapTimer.timeout, eEPGCache::channel_data::startEPG);
1099         CONNECT(abortTimer.timeout, eEPGCache::channel_data::abortNonAvail);
1100 #ifdef ENABLE_PRIVATE_EPG
1101         CONNECT(startPrivateTimer.timeout, eEPGCache::channel_data::startPrivateReader);
1102 #endif
1103         pthread_mutex_init(&channel_active, 0);
1104 }
1105
1106 bool eEPGCache::channel_data::finishEPG()
1107 {
1108         if (!isRunning)  // epg ready
1109         {
1110                 eDebug("[EPGC] stop caching events(%ld)", eDVBLocalTimeHandler::getInstance()->nowTime());
1111                 zapTimer.start(UPDATE_INTERVAL, 1);
1112                 eDebug("[EPGC] next update in %i min", UPDATE_INTERVAL / 60000);
1113                 for (int i=0; i < 3; ++i)
1114                 {
1115                         seenSections[i].clear();
1116                         calcedSections[i].clear();
1117                 }
1118                 singleLock l(cache->cache_lock);
1119                 cache->channelLastUpdated[channel->getChannelID()] = eDVBLocalTimeHandler::getInstance()->nowTime();
1120 #ifdef ENABLE_MHW_EPG
1121                 cleanup();
1122 #endif
1123                 return true;
1124         }
1125         return false;
1126 }
1127
1128 void eEPGCache::channel_data::startEPG()
1129 {
1130         eDebug("[EPGC] start caching events(%ld)", eDVBLocalTimeHandler::getInstance()->nowTime());
1131         state=0;
1132         haveData=0;
1133         for (int i=0; i < 3; ++i)
1134         {
1135                 seenSections[i].clear();
1136                 calcedSections[i].clear();
1137         }
1138
1139         eDVBSectionFilterMask mask;
1140         memset(&mask, 0, sizeof(mask));
1141
1142 #ifdef ENABLE_MHW_EPG
1143         mask.pid = 0xD3;
1144         mask.data[0] = 0x91;
1145         mask.mask[0] = 0xFF;
1146         m_MHWReader->connectRead(slot(*this, &eEPGCache::channel_data::readMHWData), m_MHWConn);
1147         m_MHWReader->start(mask);
1148         isRunning |= MHW;
1149         memcpy(&m_MHWFilterMask, &mask, sizeof(eDVBSectionFilterMask));
1150
1151         mask.pid = 0x231;
1152         mask.data[0] = 0xC8;
1153         mask.mask[0] = 0xFF;
1154         mask.data[1] = 0;
1155         mask.mask[1] = 0xFF;
1156         m_MHWReader2->connectRead(slot(*this, &eEPGCache::channel_data::readMHWData2), m_MHWConn2);
1157         m_MHWReader2->start(mask);
1158         isRunning |= MHW;
1159         memcpy(&m_MHWFilterMask2, &mask, sizeof(eDVBSectionFilterMask));
1160         mask.data[1] = 0;
1161         mask.mask[1] = 0;
1162 #endif
1163
1164         mask.pid = 0x12;
1165         mask.flags = eDVBSectionFilterMask::rfCRC;
1166
1167         mask.data[0] = 0x4E;
1168         mask.mask[0] = 0xFE;
1169         m_NowNextReader->connectRead(slot(*this, &eEPGCache::channel_data::readData), m_NowNextConn);
1170         m_NowNextReader->start(mask);
1171         isRunning |= NOWNEXT;
1172
1173         mask.data[0] = 0x50;
1174         mask.mask[0] = 0xF0;
1175         m_ScheduleReader->connectRead(slot(*this, &eEPGCache::channel_data::readData), m_ScheduleConn);
1176         m_ScheduleReader->start(mask);
1177         isRunning |= SCHEDULE;
1178
1179         mask.data[0] = 0x60;
1180         m_ScheduleOtherReader->connectRead(slot(*this, &eEPGCache::channel_data::readData), m_ScheduleOtherConn);
1181         m_ScheduleOtherReader->start(mask);
1182         isRunning |= SCHEDULE_OTHER;
1183
1184         abortTimer.start(7000,true);
1185 }
1186
1187 void eEPGCache::channel_data::abortNonAvail()
1188 {
1189         if (!state)
1190         {
1191                 if ( !(haveData&NOWNEXT) && (isRunning&NOWNEXT) )
1192                 {
1193                         eDebug("[EPGC] abort non avail nownext reading");
1194                         isRunning &= ~NOWNEXT;
1195                         m_NowNextReader->stop();
1196                         m_NowNextConn=0;
1197                 }
1198                 if ( !(haveData&SCHEDULE) && (isRunning&SCHEDULE) )
1199                 {
1200                         eDebug("[EPGC] abort non avail schedule reading");
1201                         isRunning &= ~SCHEDULE;
1202                         m_ScheduleReader->stop();
1203                         m_ScheduleConn=0;
1204                 }
1205                 if ( !(haveData&SCHEDULE_OTHER) && (isRunning&SCHEDULE_OTHER) )
1206                 {
1207                         eDebug("[EPGC] abort non avail schedule_other reading");
1208                         isRunning &= ~SCHEDULE_OTHER;
1209                         m_ScheduleOtherReader->stop();
1210                         m_ScheduleOtherConn=0;
1211                 }
1212 #ifdef ENABLE_MHW_EPG
1213                 if ( !(haveData&MHW) && (isRunning&MHW) )
1214                 {
1215                         eDebug("[EPGC] abort non avail mhw reading");
1216                         isRunning &= ~MHW;
1217                         m_MHWReader->stop();
1218                         m_MHWConn=0;
1219                         m_MHWReader2->stop();
1220                         m_MHWConn2=0;
1221                 }
1222 #endif
1223                 if ( isRunning )
1224                         abortTimer.start(90000, true);
1225                 else
1226                 {
1227                         ++state;
1228                         for (int i=0; i < 3; ++i)
1229                         {
1230                                 seenSections[i].clear();
1231                                 calcedSections[i].clear();
1232                         }
1233                 }
1234         }
1235         ++state;
1236 }
1237
1238 void eEPGCache::channel_data::startChannel()
1239 {
1240         pthread_mutex_lock(&channel_active);
1241         updateMap::iterator It = cache->channelLastUpdated.find( channel->getChannelID() );
1242
1243         int update = ( It != cache->channelLastUpdated.end() ? ( UPDATE_INTERVAL - ( (eDVBLocalTimeHandler::getInstance()->nowTime()-It->second) * 1000 ) ) : ZAP_DELAY );
1244
1245         if (update < ZAP_DELAY)
1246                 update = ZAP_DELAY;
1247
1248         zapTimer.start(update, 1);
1249         if (update >= 60000)
1250                 eDebug("[EPGC] next update in %i min", update/60000);
1251         else if (update >= 1000)
1252                 eDebug("[EPGC] next update in %i sec", update/1000);
1253 }
1254
1255 void eEPGCache::channel_data::abortEPG()
1256 {
1257         for (int i=0; i < 3; ++i)
1258         {
1259                 seenSections[i].clear();
1260                 calcedSections[i].clear();
1261         }
1262         abortTimer.stop();
1263         zapTimer.stop();
1264         if (isRunning)
1265         {
1266                 eDebug("[EPGC] abort caching events !!");
1267                 if (isRunning & SCHEDULE)
1268                 {
1269                         isRunning &= ~SCHEDULE;
1270                         m_ScheduleReader->stop();
1271                         m_ScheduleConn=0;
1272                 }
1273                 if (isRunning & NOWNEXT)
1274                 {
1275                         isRunning &= ~NOWNEXT;
1276                         m_NowNextReader->stop();
1277                         m_NowNextConn=0;
1278                 }
1279                 if (isRunning & SCHEDULE_OTHER)
1280                 {
1281                         isRunning &= ~SCHEDULE_OTHER;
1282                         m_ScheduleOtherReader->stop();
1283                         m_ScheduleOtherConn=0;
1284                 }
1285 #ifdef ENABLE_MHW_EPG
1286                 if (isRunning & MHW)
1287                 {
1288                         isRunning &= ~MHW;
1289                         m_MHWReader->stop();
1290                         m_MHWConn=0;
1291                         m_MHWReader2->stop();
1292                         m_MHWConn2=0;
1293                 }
1294 #endif
1295         }
1296 #ifdef ENABLE_PRIVATE_EPG
1297         if (m_PrivateReader)
1298                 m_PrivateReader->stop();
1299         if (m_PrivateConn)
1300                 m_PrivateConn=0;
1301 #endif
1302         pthread_mutex_unlock(&channel_active);
1303 }
1304
1305 void eEPGCache::channel_data::readData( const __u8 *data)
1306 {
1307         int source;
1308         int map;
1309         iDVBSectionReader *reader=NULL;
1310         switch(data[0])
1311         {
1312                 case 0x4E ... 0x4F:
1313                         reader=m_NowNextReader;
1314                         source=NOWNEXT;
1315                         map=0;
1316                         break;
1317                 case 0x50 ... 0x5F:
1318                         reader=m_ScheduleReader;
1319                         source=SCHEDULE;
1320                         map=1;
1321                         break;
1322                 case 0x60 ... 0x6F:
1323                         reader=m_ScheduleOtherReader;
1324                         source=SCHEDULE_OTHER;
1325                         map=2;
1326                         break;
1327                 default:
1328                         eDebug("[EPGC] unknown table_id !!!");
1329                         return;
1330         }
1331         tidMap &seenSections = this->seenSections[map];
1332         tidMap &calcedSections = this->calcedSections[map];
1333         if ( state == 1 && calcedSections == seenSections || state > 1 )
1334         {
1335                 eDebugNoNewLine("[EPGC] ");
1336                 switch (source)
1337                 {
1338                         case NOWNEXT:
1339                                 m_NowNextConn=0;
1340                                 eDebugNoNewLine("nownext");
1341                                 break;
1342                         case SCHEDULE:
1343                                 m_ScheduleConn=0;
1344                                 eDebugNoNewLine("schedule");
1345                                 break;
1346                         case SCHEDULE_OTHER:
1347                                 m_ScheduleOtherConn=0;
1348                                 eDebugNoNewLine("schedule other");
1349                                 break;
1350                         default: eDebugNoNewLine("unknown");break;
1351                 }
1352                 eDebug(" finished(%ld)", eDVBLocalTimeHandler::getInstance()->nowTime());
1353                 if ( reader )
1354                         reader->stop();
1355                 isRunning &= ~source;
1356                 if (!isRunning)
1357                         finishEPG();
1358         }
1359         else
1360         {
1361                 eit_t *eit = (eit_t*) data;
1362                 __u32 sectionNo = data[0] << 24;
1363                 sectionNo |= data[3] << 16;
1364                 sectionNo |= data[4] << 8;
1365                 sectionNo |= eit->section_number;
1366
1367                 tidMap::iterator it =
1368                         seenSections.find(sectionNo);
1369
1370                 if ( it == seenSections.end() )
1371                 {
1372                         seenSections.insert(sectionNo);
1373                         calcedSections.insert(sectionNo);
1374                         __u32 tmpval = sectionNo & 0xFFFFFF00;
1375                         __u8 incr = source == NOWNEXT ? 1 : 8;
1376                         for ( int i = 0; i <= eit->last_section_number; i+=incr )
1377                         {
1378                                 if ( i == eit->section_number )
1379                                 {
1380                                         for (int x=i; x <= eit->segment_last_section_number; ++x)
1381                                                 calcedSections.insert(tmpval|(x&0xFF));
1382                                 }
1383                                 else
1384                                         calcedSections.insert(tmpval|(i&0xFF));
1385                         }
1386                         cache->sectionRead(data, source, this);
1387                 }
1388         }
1389 }
1390
1391 RESULT eEPGCache::lookupEventTime(const eServiceReference &service, time_t t, const eventData *&result, int direction)
1392 // if t == -1 we search the current event...
1393 {
1394         singleLock s(cache_lock);
1395         uniqueEPGKey key(handleGroup(service));
1396
1397         // check if EPG for this service is ready...
1398         eventCache::iterator It = eventDB.find( key );
1399         if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached ?
1400         {
1401                 if (t==-1)
1402                         t = eDVBLocalTimeHandler::getInstance()->nowTime();
1403                 timeMap::iterator i = direction <= 0 ? It->second.second.lower_bound(t) :  // find > or equal
1404                         It->second.second.upper_bound(t); // just >
1405                 if ( i != It->second.second.end() )
1406                 {
1407                         if ( direction < 0 || (direction == 0 && i->first > t) )
1408                         {
1409                                 timeMap::iterator x = i;
1410                                 --x;
1411                                 if ( x != It->second.second.end() )
1412                                 {
1413                                         time_t start_time = x->first;
1414                                         if (direction >= 0)
1415                                         {
1416                                                 if (t < start_time)
1417                                                         return -1;
1418                                                 if (t > (start_time+x->second->getDuration()))
1419                                                         return -1;
1420                                         }
1421                                         i = x;
1422                                 }
1423                                 else
1424                                         return -1;
1425                         }
1426                         result = i->second;
1427                         return 0;
1428                 }
1429         }
1430         return -1;
1431 }
1432
1433 RESULT eEPGCache::lookupEventTime(const eServiceReference &service, time_t t, const eit_event_struct *&result, int direction)
1434 {
1435         singleLock s(cache_lock);
1436         const eventData *data=0;
1437         RESULT ret = lookupEventTime(service, t, data, direction);
1438         if ( !ret && data )
1439                 result = data->get();
1440         return ret;
1441 }
1442
1443 RESULT eEPGCache::lookupEventTime(const eServiceReference &service, time_t t, Event *& result, int direction)
1444 {
1445         singleLock s(cache_lock);
1446         const eventData *data=0;
1447         RESULT ret = lookupEventTime(service, t, data, direction);
1448         if ( !ret && data )
1449                 result = new Event((uint8_t*)data->get());
1450         return ret;
1451 }
1452
1453 RESULT eEPGCache::lookupEventTime(const eServiceReference &service, time_t t, ePtr<eServiceEvent> &result, int direction)
1454 {
1455         singleLock s(cache_lock);
1456         const eventData *data=0;
1457         RESULT ret = lookupEventTime(service, t, data, direction);
1458         if ( !ret && data )
1459         {
1460                 Event ev((uint8_t*)data->get());
1461                 result = new eServiceEvent();
1462                 const eServiceReferenceDVB &ref = (const eServiceReferenceDVB&)service;
1463                 ret = result->parseFrom(&ev, (ref.getTransportStreamID().get()<<16)|ref.getOriginalNetworkID().get());
1464         }
1465         return ret;
1466 }
1467
1468 RESULT eEPGCache::lookupEventId(const eServiceReference &service, int event_id, const eventData *&result )
1469 {
1470         singleLock s(cache_lock);
1471         uniqueEPGKey key(handleGroup(service));
1472
1473         eventCache::iterator It = eventDB.find( key );
1474         if ( It != eventDB.end() && !It->second.first.empty() ) // entrys cached?
1475         {
1476                 eventMap::iterator i( It->second.first.find( event_id ));
1477                 if ( i != It->second.first.end() )
1478                 {
1479                         result = i->second;
1480                         return 0;
1481                 }
1482                 else
1483                 {
1484                         result = 0;
1485                         eDebug("[EPGC] event %04x not found in epgcache", event_id);
1486                 }
1487         }
1488         return -1;
1489 }
1490
1491 RESULT eEPGCache::lookupEventId(const eServiceReference &service, int event_id, const eit_event_struct *&result)
1492 {
1493         singleLock s(cache_lock);
1494         const eventData *data=0;
1495         RESULT ret = lookupEventId(service, event_id, data);
1496         if ( !ret && data )
1497                 result = data->get();
1498         return ret;
1499 }
1500
1501 RESULT eEPGCache::lookupEventId(const eServiceReference &service, int event_id, Event *& result)
1502 {
1503         singleLock s(cache_lock);
1504         const eventData *data=0;
1505         RESULT ret = lookupEventId(service, event_id, data);
1506         if ( !ret && data )
1507                 result = new Event((uint8_t*)data->get());
1508         return ret;
1509 }
1510
1511 RESULT eEPGCache::lookupEventId(const eServiceReference &service, int event_id, ePtr<eServiceEvent> &result)
1512 {
1513         singleLock s(cache_lock);
1514         const eventData *data=0;
1515         RESULT ret = lookupEventId(service, event_id, data);
1516         if ( !ret && data )
1517         {
1518                 Event ev((uint8_t*)data->get());
1519                 result = new eServiceEvent();
1520                 const eServiceReferenceDVB &ref = (const eServiceReferenceDVB&)service;
1521                 ret = result->parseFrom(&ev, (ref.getTransportStreamID().get()<<16)|ref.getOriginalNetworkID().get());
1522         }
1523         return ret;
1524 }
1525
1526 RESULT eEPGCache::startTimeQuery(const eServiceReference &service, time_t begin, int minutes)
1527 {
1528         singleLock s(cache_lock);
1529         const eServiceReferenceDVB &ref = (const eServiceReferenceDVB&)handleGroup(service);
1530         if (begin == -1)
1531                 begin = eDVBLocalTimeHandler::getInstance()->nowTime();
1532         eventCache::iterator It = eventDB.find(ref);
1533         if ( It != eventDB.end() && It->second.second.size() )
1534         {
1535                 m_timemap_cursor = It->second.second.lower_bound(begin);
1536                 if ( m_timemap_cursor != It->second.second.end() )
1537                 {
1538                         if ( m_timemap_cursor->first != begin )
1539                         {
1540                                 timeMap::iterator x = m_timemap_cursor;
1541                                 --x;
1542                                 if ( x != It->second.second.end() )
1543                                 {
1544                                         time_t start_time = x->first;
1545                                         if ( begin > start_time && begin < (start_time+x->second->getDuration()))
1546                                                 m_timemap_cursor = x;
1547                                 }
1548                         }
1549                 }
1550
1551                 if (minutes != -1)
1552                         m_timemap_end = It->second.second.lower_bound(begin+minutes*60);
1553                 else
1554                         m_timemap_end = It->second.second.end();
1555
1556                 currentQueryTsidOnid = (ref.getTransportStreamID().get()<<16) | ref.getOriginalNetworkID().get();
1557                 return m_timemap_cursor == m_timemap_end ? -1 : 0;
1558         }
1559         return -1;
1560 }
1561
1562 RESULT eEPGCache::getNextTimeEntry(const eventData *& result)
1563 {
1564         if ( m_timemap_cursor != m_timemap_end )
1565         {
1566                 result = m_timemap_cursor++->second;
1567                 return 0;
1568         }
1569         return -1;
1570 }
1571
1572 RESULT eEPGCache::getNextTimeEntry(const eit_event_struct *&result)
1573 {
1574         if ( m_timemap_cursor != m_timemap_end )
1575         {
1576                 result = m_timemap_cursor++->second->get();
1577                 return 0;
1578         }
1579         return -1;
1580 }
1581
1582 RESULT eEPGCache::getNextTimeEntry(Event *&result)
1583 {
1584         if ( m_timemap_cursor != m_timemap_end )
1585         {
1586                 result = new Event((uint8_t*)m_timemap_cursor++->second->get());
1587                 return 0;
1588         }
1589         return -1;
1590 }
1591
1592 RESULT eEPGCache::getNextTimeEntry(ePtr<eServiceEvent> &result)
1593 {
1594         if ( m_timemap_cursor != m_timemap_end )
1595         {
1596                 Event ev((uint8_t*)m_timemap_cursor++->second->get());
1597                 result = new eServiceEvent();
1598                 return result->parseFrom(&ev, currentQueryTsidOnid);
1599         }
1600         return -1;
1601 }
1602
1603 void fillTuple(ePyObject tuple, const char *argstring, int argcount, ePyObject service, eServiceEvent *ptr, ePyObject nowTime, ePyObject service_name )
1604 {
1605         ePyObject tmp;
1606         int spos=0, tpos=0;
1607         char c;
1608         while(spos < argcount)
1609         {
1610                 bool inc_refcount=false;
1611                 switch((c=argstring[spos++]))
1612                 {
1613                         case '0': // PyLong 0
1614                                 tmp = PyLong_FromLong(0);
1615                                 break;
1616                         case 'I': // Event Id
1617                                 tmp = ptr ? PyLong_FromLong(ptr->getEventId()) : ePyObject();
1618                                 break;
1619                         case 'B': // Event Begin Time
1620                                 tmp = ptr ? PyLong_FromLong(ptr->getBeginTime()) : ePyObject();
1621                                 break;
1622                         case 'D': // Event Duration
1623                                 tmp = ptr ? PyLong_FromLong(ptr->getDuration()) : ePyObject();
1624                                 break;
1625                         case 'T': // Event Title
1626                                 tmp = ptr ? PyString_FromString(ptr->getEventName().c_str()) : ePyObject();
1627                                 break;
1628                         case 'S': // Event Short Description
1629                                 tmp = ptr ? PyString_FromString(ptr->getShortDescription().c_str()) : ePyObject();
1630                                 break;
1631                         case 'E': // Event Extended Description
1632                                 tmp = ptr ? PyString_FromString(ptr->getExtendedDescription().c_str()) : ePyObject();
1633                                 break;
1634                         case 'C': // Current Time
1635                                 tmp = nowTime;
1636                                 inc_refcount = true;
1637                                 break;
1638                         case 'R': // service reference string
1639                                 tmp = service;
1640                                 inc_refcount = true;
1641                                 break;
1642                         case 'n': // short service name
1643                         case 'N': // service name
1644                                 tmp = service_name;
1645                                 inc_refcount = true;
1646                                 break;
1647                         case 'X':
1648                                 ++argcount;
1649                                 continue;
1650                         default:  // ignore unknown
1651                                 eDebug("fillTuple unknown '%c'... insert 'None' in result", c);
1652                 }
1653                 if (!tmp)
1654                 {
1655                         tmp = Py_None;
1656                         inc_refcount = true;
1657                 }
1658                 if (inc_refcount)
1659                         Py_INCREF(tmp);
1660                 PyTuple_SET_ITEM(tuple, tpos++, tmp);
1661         }
1662 }
1663
1664 int handleEvent(eServiceEvent *ptr, ePyObject dest_list, const char* argstring, int argcount, ePyObject service, ePyObject nowTime, ePyObject service_name, ePyObject convertFunc, ePyObject convertFuncArgs)
1665 {
1666         if (convertFunc)
1667         {
1668                 fillTuple(convertFuncArgs, argstring, argcount, service, ptr, nowTime, service_name);
1669                 ePyObject result = PyObject_CallObject(convertFunc, convertFuncArgs);
1670                 if (result)
1671                 {
1672                         if (service_name)
1673                                 Py_DECREF(service_name);
1674                         if (nowTime)
1675                                 Py_DECREF(nowTime);
1676                         Py_DECREF(convertFuncArgs);
1677                         Py_DECREF(dest_list);
1678                         PyErr_SetString(PyExc_StandardError,
1679                                 "error in convertFunc execute");
1680                         eDebug("error in convertFunc execute");
1681                         return -1;
1682                 }
1683                 PyList_Append(dest_list, result);
1684                 Py_DECREF(result);
1685         }
1686         else
1687         {
1688                 ePyObject tuple = PyTuple_New(argcount);
1689                 fillTuple(tuple, argstring, argcount, service, ptr, nowTime, service_name);
1690                 PyList_Append(dest_list, tuple);
1691                 Py_DECREF(tuple);
1692         }
1693         return 0;
1694 }
1695
1696 // here we get a python list
1697 // the first entry in the list is a python string to specify the format of the returned tuples (in a list)
1698 //   0 = PyLong(0)
1699 //   I = Event Id
1700 //   B = Event Begin Time
1701 //   D = Event Duration
1702 //   T = Event Title
1703 //   S = Event Short Description
1704 //   E = Event Extended Description
1705 //   C = Current Time
1706 //   R = Service Reference
1707 //   N = Service Name
1708 //   n = Short Service Name
1709 //   X = Return a minimum of one tuple per service in the result list... even when no event was found.
1710 //       The returned tuple is filled with all available infos... non avail is filled as None
1711 //       The position and existence of 'X' in the format string has no influence on the result tuple... its completely ignored..
1712 // then for each service follows a tuple
1713 //   first tuple entry is the servicereference (as string... use the ref.toString() function)
1714 //   the second is the type of query
1715 //     2 = event_id
1716 //    -1 = event before given start_time
1717 //     0 = event intersects given start_time
1718 //    +1 = event after given start_time
1719 //   the third
1720 //      when type is eventid it is the event_id
1721 //      when type is time then it is the start_time ( -1 for now_time )
1722 //   the fourth is the end_time .. ( optional .. for query all events in time range)
1723
1724 PyObject *eEPGCache::lookupEvent(ePyObject list, ePyObject convertFunc)
1725 {
1726         ePyObject convertFuncArgs;
1727         int argcount=0;
1728         const char *argstring=NULL;
1729         if (!PyList_Check(list))
1730         {
1731                 PyErr_SetString(PyExc_StandardError,
1732                         "type error");
1733                 eDebug("no list");
1734                 return NULL;
1735         }
1736         int listIt=0;
1737         int listSize=PyList_Size(list);
1738         if (!listSize)
1739         {
1740                 PyErr_SetString(PyExc_StandardError,
1741                         "not params given");
1742                 eDebug("not params given");
1743                 return NULL;
1744         }
1745         else 
1746         {
1747                 ePyObject argv=PyList_GET_ITEM(list, 0); // borrowed reference!
1748                 if (PyString_Check(argv))
1749                 {
1750                         argstring = PyString_AS_STRING(argv);
1751                         ++listIt;
1752                 }
1753                 else
1754                         argstring = "I"; // just event id as default
1755                 argcount = strlen(argstring);
1756 //              eDebug("have %d args('%s')", argcount, argstring);
1757         }
1758
1759         bool forceReturnOne = strchr(argstring, 'X') ? true : false;
1760         if (forceReturnOne)
1761                 --argcount;
1762
1763         if (convertFunc)
1764         {
1765                 if (!PyCallable_Check(convertFunc))
1766                 {
1767                         PyErr_SetString(PyExc_StandardError,
1768                                 "convertFunc must be callable");
1769                         eDebug("convertFunc is not callable");
1770                         return NULL;
1771                 }
1772                 convertFuncArgs = PyTuple_New(argcount);
1773         }
1774
1775         ePyObject nowTime = strchr(argstring, 'C') ?
1776                 PyLong_FromLong(eDVBLocalTimeHandler::getInstance()->nowTime()) :
1777                 ePyObject();
1778
1779         int must_get_service_name = strchr(argstring, 'N') ? 1 : strchr(argstring, 'n') ? 2 : 0;
1780
1781         // create dest list
1782         ePyObject dest_list=PyList_New(0);
1783         while(listSize > listIt)
1784         {
1785                 ePyObject item=PyList_GET_ITEM(list, listIt++); // borrowed reference!
1786                 if (PyTuple_Check(item))
1787                 {
1788                         bool service_changed=false;
1789                         int type=0;
1790                         long event_id=-1;
1791                         time_t stime=-1;
1792                         int minutes=0;
1793                         int tupleSize=PyTuple_Size(item);
1794                         int tupleIt=0;
1795                         ePyObject service;
1796                         while(tupleSize > tupleIt)  // parse query args
1797                         {
1798                                 ePyObject entry=PyTuple_GET_ITEM(item, tupleIt); // borrowed reference!
1799                                 switch(tupleIt++)
1800                                 {
1801                                         case 0:
1802                                         {
1803                                                 if (!PyString_Check(entry))
1804                                                 {
1805                                                         eDebug("tuple entry 0 is no a string");
1806                                                         goto skip_entry;
1807                                                 }
1808                                                 service = entry;
1809                                                 break;
1810                                         }
1811                                         case 1:
1812                                                 type=PyInt_AsLong(entry);
1813                                                 if (type < -1 || type > 2)
1814                                                 {
1815                                                         eDebug("unknown type %d", type);
1816                                                         goto skip_entry;
1817                                                 }
1818                                                 break;
1819                                         case 2:
1820                                                 event_id=stime=PyInt_AsLong(entry);
1821                                                 break;
1822                                         case 3:
1823                                                 minutes=PyInt_AsLong(entry);
1824                                                 break;
1825                                         default:
1826                                                 eDebug("unneeded extra argument");
1827                                                 break;
1828                                 }
1829                         }
1830
1831                         if (minutes && stime == -1)
1832                                 stime = eDVBLocalTimeHandler::getInstance()->nowTime();
1833
1834                         eServiceReference ref(handleGroup(eServiceReference(PyString_AS_STRING(service))));
1835                         if (ref.type != eServiceReference::idDVB)
1836                         {
1837                                 eDebug("service reference for epg query is not valid");
1838                                 continue;
1839                         }
1840
1841                         // redirect subservice querys to parent service
1842                         eServiceReferenceDVB &dvb_ref = (eServiceReferenceDVB&)ref;
1843                         if (dvb_ref.getParentTransportStreamID().get()) // linkage subservice
1844                         {
1845                                 eServiceCenterPtr service_center;
1846                                 if (!eServiceCenter::getPrivInstance(service_center))
1847                                 {
1848                                         dvb_ref.setTransportStreamID( dvb_ref.getParentTransportStreamID() );
1849                                         dvb_ref.setServiceID( dvb_ref.getParentServiceID() );
1850                                         dvb_ref.setParentTransportStreamID(eTransportStreamID(0));
1851                                         dvb_ref.setParentServiceID(eServiceID(0));
1852                                         dvb_ref.name="";
1853                                         service = PyString_FromString(dvb_ref.toString().c_str());
1854                                         service_changed = true;
1855                                 }
1856                         }
1857
1858                         ePyObject service_name;
1859                         if (must_get_service_name)
1860                         {
1861                                 ePtr<iStaticServiceInformation> sptr;
1862                                 eServiceCenterPtr service_center;
1863                                 eServiceCenter::getPrivInstance(service_center);
1864                                 if (service_center)
1865                                 {
1866                                         service_center->info(ref, sptr);
1867                                         if (sptr)
1868                                         {
1869                                                 std::string name;
1870                                                 sptr->getName(ref, name);
1871
1872                                                 if (must_get_service_name == 1)
1873                                                 {
1874                                                         size_t pos;
1875                                                         // filter short name brakets
1876                                                         while((pos = name.find("\xc2\x86")) != std::string::npos)
1877                                                                 name.erase(pos,2);
1878                                                         while((pos = name.find("\xc2\x87")) != std::string::npos)
1879                                                                 name.erase(pos,2);
1880                                                 }
1881                                                 else
1882                                                         name = buildShortName(name);
1883
1884                                                 if (name.length())
1885                                                         service_name = PyString_FromString(name.c_str());
1886                                         }
1887                                 }
1888                                 if (!service_name)
1889                                         service_name = PyString_FromString("<n/a>");
1890                         }
1891                         if (minutes)
1892                         {
1893                                 singleLock s(cache_lock);
1894                                 if (!startTimeQuery(ref, stime, minutes))
1895                                 {
1896                                         while ( m_timemap_cursor != m_timemap_end )
1897                                         {
1898                                                 Event ev((uint8_t*)m_timemap_cursor++->second->get());
1899                                                 eServiceEvent evt;
1900                                                 evt.parseFrom(&ev, currentQueryTsidOnid);
1901                                                 if (handleEvent(&evt, dest_list, argstring, argcount, service, nowTime, service_name, convertFunc, convertFuncArgs))
1902                                                         return 0;  // error
1903                                         }
1904                                 }
1905                                 else if (forceReturnOne && handleEvent(0, dest_list, argstring, argcount, service, nowTime, service_name, convertFunc, convertFuncArgs))
1906                                         return 0;  // error
1907                         }
1908                         else
1909                         {
1910                                 eServiceEvent evt;
1911                                 const eventData *ev_data=0;
1912                                 if (stime)
1913                                 {
1914                                         singleLock s(cache_lock);
1915                                         if (type == 2)
1916                                                 lookupEventId(ref, event_id, ev_data);
1917                                         else
1918                                                 lookupEventTime(ref, stime, ev_data, type);
1919                                         if (ev_data)
1920                                         {
1921                                                 const eServiceReferenceDVB &dref = (const eServiceReferenceDVB&)ref;
1922                                                 Event ev((uint8_t*)ev_data->get());
1923                                                 evt.parseFrom(&ev, (dref.getTransportStreamID().get()<<16)|dref.getOriginalNetworkID().get());
1924                                         }
1925                                 }
1926                                 if (ev_data)
1927                                 {
1928                                         if (handleEvent(&evt, dest_list, argstring, argcount, service, nowTime, service_name, convertFunc, convertFuncArgs))
1929                                                 return 0; // error
1930                                 }
1931                                 else if (forceReturnOne && handleEvent(0, dest_list, argstring, argcount, service, nowTime, service_name, convertFunc, convertFuncArgs))
1932                                         return 0; // error
1933                         }
1934                         if (service_changed)
1935                                 Py_DECREF(service);
1936                         if (service_name)
1937                                 Py_DECREF(service_name);
1938                 }
1939 skip_entry:
1940                 ;
1941         }
1942         if (convertFuncArgs)
1943                 Py_DECREF(convertFuncArgs);
1944         if (nowTime)
1945                 Py_DECREF(nowTime);
1946         return dest_list;
1947 }
1948
1949 void fillTuple2(ePyObject tuple, const char *argstring, int argcount, eventData *evData, eServiceEvent *ptr, ePyObject service_name, ePyObject service_reference)
1950 {
1951         ePyObject tmp;
1952         int pos=0;
1953         while(pos < argcount)
1954         {
1955                 bool inc_refcount=false;
1956                 switch(argstring[pos])
1957                 {
1958                         case '0': // PyLong 0
1959                                 tmp = PyLong_FromLong(0);
1960                                 break;
1961                         case 'I': // Event Id
1962                                 tmp = PyLong_FromLong(evData->getEventID());
1963                                 break;
1964                         case 'B': // Event Begin Time
1965                                 if (ptr)
1966                                         tmp = ptr ? PyLong_FromLong(ptr->getBeginTime()) : ePyObject();
1967                                 else
1968                                         tmp = PyLong_FromLong(evData->getStartTime());
1969                                 break;
1970                         case 'D': // Event Duration
1971                                 if (ptr)
1972                                         tmp = ptr ? PyLong_FromLong(ptr->getDuration()) : ePyObject();
1973                                 else
1974                                         tmp = PyLong_FromLong(evData->getDuration());
1975                                 break;
1976                         case 'T': // Event Title
1977                                 tmp = ptr ? PyString_FromString(ptr->getEventName().c_str()) : ePyObject();
1978                                 break;
1979                         case 'S': // Event Short Description
1980                                 tmp = ptr ? PyString_FromString(ptr->getShortDescription().c_str()) : ePyObject();
1981                                 break;
1982                         case 'E': // Event Extended Description
1983                                 tmp = ptr ? PyString_FromString(ptr->getExtendedDescription().c_str()) : ePyObject();
1984                                 break;
1985                         case 'R': // service reference string
1986                                 tmp = service_reference;
1987                                 inc_refcount = true;
1988                                 break;
1989                         case 'n': // short service name
1990                         case 'N': // service name
1991                                 tmp = service_name;
1992                                 inc_refcount = true;
1993                                 break;
1994                         default:  // ignore unknown
1995                                 eDebug("fillTuple2 unknown '%c'... insert None in Result", argstring[pos]);
1996                 }
1997                 if (!tmp)
1998                 {
1999                         tmp = Py_None;
2000                         inc_refcount = true;
2001                 }
2002                 if (inc_refcount)
2003                         Py_INCREF(tmp);
2004                 PyTuple_SET_ITEM(tuple, pos++, tmp);
2005         }
2006 }
2007
2008 // here we get a python tuple
2009 // the first entry in the tuple is a python string to specify the format of the returned tuples (in a list)
2010 //   I = Event Id
2011 //   B = Event Begin Time
2012 //   D = Event Duration
2013 //   T = Event Title
2014 //   S = Event Short Description
2015 //   E = Event Extended Description
2016 //   R = Service Reference
2017 //   N = Service Name
2018 //   n = Short Service Name
2019 //  the second tuple entry is the MAX matches value
2020 //  the third tuple entry is the type of query
2021 //     0 = search for similar broadcastings (SIMILAR_BROADCASTINGS_SEARCH)
2022 //     1 = search events with exactly title name (EXAKT_TITLE_SEARCH)
2023 //     2 = search events with text in title name (PARTIAL_TITLE_SEARCH)
2024 //  when type is 0 (SIMILAR_BROADCASTINGS_SEARCH)
2025 //   the fourth is the servicereference string
2026 //   the fifth is the eventid
2027 //  when type is 1 or 2 (EXAKT_TITLE_SEARCH or PARTIAL_TITLE_SEARCH)
2028 //   the fourth is the search text
2029 //   the fifth is
2030 //     0 = case sensitive (CASE_CHECK)
2031 //     1 = case insensitive (NO_CASECHECK)
2032
2033 PyObject *eEPGCache::search(ePyObject arg)
2034 {
2035         ePyObject ret;
2036         int descridx = -1;
2037         __u32 descr[512];
2038         int eventid = -1;
2039         const char *argstring=0;
2040         char *refstr=0;
2041         int argcount=0;
2042         int querytype=-1;
2043         bool needServiceEvent=false;
2044         int maxmatches=0;
2045
2046         if (PyTuple_Check(arg))
2047         {
2048                 int tuplesize=PyTuple_Size(arg);
2049                 if (tuplesize > 0)
2050                 {
2051                         ePyObject obj = PyTuple_GET_ITEM(arg,0);
2052                         if (PyString_Check(obj))
2053                         {
2054                                 argcount = PyString_GET_SIZE(obj);
2055                                 argstring = PyString_AS_STRING(obj);
2056                                 for (int i=0; i < argcount; ++i)
2057                                         switch(argstring[i])
2058                                         {
2059                                         case 'S':
2060                                         case 'E':
2061                                         case 'T':
2062                                                 needServiceEvent=true;
2063                                         default:
2064                                                 break;
2065                                         }
2066                         }
2067                         else
2068                         {
2069                                 PyErr_SetString(PyExc_StandardError,
2070                                         "type error");
2071                                 eDebug("tuple arg 0 is not a string");
2072                                 return NULL;
2073                         }
2074                 }
2075                 if (tuplesize > 1)
2076                         maxmatches = PyLong_AsLong(PyTuple_GET_ITEM(arg, 1));
2077                 if (tuplesize > 2)
2078                 {
2079                         querytype = PyLong_AsLong(PyTuple_GET_ITEM(arg, 2));
2080                         if (tuplesize > 4 && querytype == 0)
2081                         {
2082                                 ePyObject obj = PyTuple_GET_ITEM(arg, 3);
2083                                 if (PyString_Check(obj))
2084                                 {
2085                                         refstr = PyString_AS_STRING(obj);
2086                                         eServiceReferenceDVB ref(refstr);
2087                                         if (ref.valid())
2088                                         {
2089                                                 eventid = PyLong_AsLong(PyTuple_GET_ITEM(arg, 4));
2090                                                 singleLock s(cache_lock);
2091                                                 const eventData *evData = 0;
2092                                                 lookupEventId(ref, eventid, evData);
2093                                                 if (evData)
2094                                                 {
2095                                                         __u8 *data = evData->EITdata;
2096                                                         int tmp = evData->ByteSize-10;
2097                                                         __u32 *p = (__u32*)(data+10);
2098                                                                 // search short and extended event descriptors
2099                                                         while(tmp>3)
2100                                                         {
2101                                                                 __u32 crc = *p++;
2102                                                                 descriptorMap::iterator it =
2103                                                                         eventData::descriptors.find(crc);
2104                                                                 if (it != eventData::descriptors.end())
2105                                                                 {
2106                                                                         __u8 *descr_data = it->second.second;
2107                                                                         switch(descr_data[0])
2108                                                                         {
2109                                                                         case 0x4D ... 0x4E:
2110                                                                                 descr[++descridx]=crc;
2111                                                                         default:
2112                                                                                 break;
2113                                                                         }
2114                                                                 }
2115                                                                 tmp-=4;
2116                                                         }
2117                                                 }
2118                                                 if (descridx<0)
2119                                                         eDebug("event not found");
2120                                         }
2121                                         else
2122                                         {
2123                                                 PyErr_SetString(PyExc_StandardError, "type error");
2124                                                 eDebug("tuple arg 4 is not a valid service reference string");
2125                                                 return NULL;
2126                                         }
2127                                 }
2128                                 else
2129                                 {
2130                                         PyErr_SetString(PyExc_StandardError, "type error");
2131                                         eDebug("tuple arg 4 is not a string");
2132                                         return NULL;
2133                                 }
2134                         }
2135                         else if (tuplesize > 4 && (querytype == 1 || querytype == 2) )
2136                         {
2137                                 ePyObject obj = PyTuple_GET_ITEM(arg, 3);
2138                                 if (PyString_Check(obj))
2139                                 {
2140                                         int casetype = PyLong_AsLong(PyTuple_GET_ITEM(arg, 4));
2141                                         const char *str = PyString_AS_STRING(obj);
2142                                         int textlen = PyString_GET_SIZE(obj);
2143                                         if (querytype == 1)
2144                                                 eDebug("lookup for events with '%s' as title(%s)", str, casetype?"ignore case":"case sensitive");
2145                                         else
2146                                                 eDebug("lookup for events with '%s' in title(%s)", str, casetype?"ignore case":"case sensitive");
2147                                         singleLock s(cache_lock);
2148                                         for (descriptorMap::iterator it(eventData::descriptors.begin());
2149                                                 it != eventData::descriptors.end() && descridx < 511; ++it)
2150                                         {
2151                                                 __u8 *data = it->second.second;
2152                                                 if ( data[0] == 0x4D ) // short event descriptor
2153                                                 {
2154                                                         int title_len = data[5];
2155                                                         if ( querytype == 1 )
2156                                                         {
2157                                                                 if (title_len > textlen)
2158                                                                         continue;
2159                                                                 else if (title_len < textlen)
2160                                                                         continue;
2161                                                                 if ( casetype )
2162                                                                 {
2163                                                                         if ( !strncasecmp((const char*)data+6, str, title_len) )
2164                                                                         {
2165 //                                                                              std::string s((const char*)data+6, title_len);
2166 //                                                                              eDebug("match1 %s %s", str, s.c_str() );
2167                                                                                 descr[++descridx] = it->first;
2168                                                                         }
2169                                                                 }
2170                                                                 else if ( !strncmp((const char*)data+6, str, title_len) )
2171                                                                 {
2172 //                                                                      std::string s((const char*)data+6, title_len);
2173 //                                                                      eDebug("match2 %s %s", str, s.c_str() );
2174                                                                         descr[++descridx] = it->first;
2175                                                                 }
2176                                                         }
2177                                                         else
2178                                                         {
2179                                                                 int idx=0;
2180                                                                 while((title_len-idx) >= textlen)
2181                                                                 {
2182                                                                         if (casetype)
2183                                                                         {
2184                                                                                 if (!strncasecmp((const char*)data+6+idx, str, textlen) )
2185                                                                                 {
2186                                                                                         descr[++descridx] = it->first;
2187 //                                                                                      std::string s((const char*)data+6, title_len);
2188 //                                                                                      eDebug("match 3 %s %s", str, s.c_str() );
2189                                                                                         break;
2190                                                                                 }
2191                                                                                 else if (!strncmp((const char*)data+6+idx, str, textlen) )
2192                                                                                 {
2193                                                                                         descr[++descridx] = it->first;
2194 //                                                                                      std::string s((const char*)data+6, title_len);
2195 //                                                                                      eDebug("match 4 %s %s", str, s.c_str() );
2196                                                                                         break;
2197                                                                                 }
2198                                                                         }
2199                                                                         ++idx;
2200                                                                 }
2201                                                         }
2202                                                 }
2203                                         }
2204                                 }
2205                                 else
2206                                 {
2207                                         PyErr_SetString(PyExc_StandardError,
2208                                                 "type error");
2209                                         eDebug("tuple arg 4 is not a string");
2210                                         return NULL;
2211                                 }
2212                         }
2213                         else
2214                         {
2215                                 PyErr_SetString(PyExc_StandardError,
2216                                         "type error");
2217                                 eDebug("tuple arg 3(%d) is not a known querytype(0, 1, 2)", querytype);
2218                                 return NULL;
2219                         }
2220                 }
2221                 else
2222                 {
2223                         PyErr_SetString(PyExc_StandardError,
2224                                 "type error");
2225                         eDebug("not enough args in tuple");
2226                         return NULL;
2227                 }
2228         }
2229         else
2230         {
2231                 PyErr_SetString(PyExc_StandardError,
2232                         "type error");
2233                 eDebug("arg 0 is not a tuple");
2234                 return NULL;
2235         }
2236
2237         if (descridx > -1)
2238         {
2239                 int maxcount=maxmatches;
2240                 eServiceReferenceDVB ref(refstr?(const eServiceReferenceDVB&)handleGroup(eServiceReference(refstr)):eServiceReferenceDVB(""));
2241                 // ref is only valid in SIMILAR_BROADCASTING_SEARCH
2242                 // in this case we start searching with the base service
2243                 bool first = ref.valid() ? true : false;
2244                 singleLock s(cache_lock);
2245                 eventCache::iterator cit(ref.valid() ? eventDB.find(ref) : eventDB.begin());
2246                 while(cit != eventDB.end() && maxcount)
2247                 {
2248                         if ( ref.valid() && !first && cit->first == ref )
2249                         {
2250                                 // do not scan base service twice ( only in SIMILAR BROADCASTING SEARCH )
2251                                 ++cit;
2252                                 continue;
2253                         }
2254                         ePyObject service_name;
2255                         ePyObject service_reference;
2256                         timeMap &evmap = cit->second.second;
2257                         // check all events
2258                         for (timeMap::iterator evit(evmap.begin()); evit != evmap.end() && maxcount; ++evit)
2259                         {
2260                                 int evid = evit->second->getEventID();
2261                                 if ( evid == eventid)
2262                                         continue;
2263                                 __u8 *data = evit->second->EITdata;
2264                                 int tmp = evit->second->ByteSize-10;
2265                                 __u32 *p = (__u32*)(data+10);
2266                                 // check if any of our descriptor used by this event
2267                                 int cnt=-1;
2268                                 while(tmp>3)
2269                                 {
2270                                         __u32 crc32 = *p++;
2271                                         for ( int i=0; i <= descridx; ++i)
2272                                         {
2273                                                 if (descr[i] == crc32)  // found...
2274                                                         ++cnt;
2275                                         }
2276                                         tmp-=4;
2277                                 }
2278                                 if ( (querytype == 0 && cnt == descridx) ||
2279                                          ((querytype == 1 || querytype == 2) && cnt != -1) )
2280                                 {
2281                                         const uniqueEPGKey &service = cit->first;
2282                                         eServiceReference ref =
2283                                                 eDVBDB::getInstance()->searchReference(service.tsid, service.onid, service.sid);
2284                                         if (ref.valid())
2285                                         {
2286                                         // create servive event
2287                                                 eServiceEvent ptr;
2288                                                 const eventData *ev_data=0;
2289                                                 if (needServiceEvent)
2290                                                 {
2291                                                         if (lookupEventId(ref, evid, ev_data))
2292                                                                 eDebug("event not found !!!!!!!!!!!");
2293                                                         else
2294                                                         {
2295                                                                 const eServiceReferenceDVB &dref = (const eServiceReferenceDVB&)ref;
2296                                                                 Event ev((uint8_t*)ev_data->get());
2297                                                                 ptr.parseFrom(&ev, (dref.getTransportStreamID().get()<<16)|dref.getOriginalNetworkID().get());
2298                                                         }
2299                                                 }
2300                                         // create service name
2301                                                 if (!service_name)
2302                                                 {
2303                                                         int must_get_service_name = strchr(argstring, 'N') ? 1 : strchr(argstring, 'n') ? 2 : 0;
2304                                                         if (must_get_service_name)
2305                                                         {
2306                                                                 ePtr<iStaticServiceInformation> sptr;
2307                                                                 eServiceCenterPtr service_center;
2308                                                                 eServiceCenter::getPrivInstance(service_center);
2309                                                                 if (service_center)
2310                                                                 {
2311                                                                         service_center->info(ref, sptr);
2312                                                                         if (sptr)
2313                                                                         {
2314                                                                                 std::string name;
2315                                                                                 sptr->getName(ref, name);
2316
2317                                                                                 if (must_get_service_name == 1)
2318                                                                                 {
2319                                                                                         size_t pos;
2320                                                                                         // filter short name brakets
2321                                                                                         while((pos = name.find("\xc2\x86")) != std::string::npos)
2322                                                                                                 name.erase(pos,2);
2323                                                                                         while((pos = name.find("\xc2\x87")) != std::string::npos)
2324                                                                                                 name.erase(pos,2);
2325                                                                                 }
2326                                                                                 else
2327                                                                                         name = buildShortName(name);
2328
2329                                                                                 if (name.length())
2330                                                                                         service_name = PyString_FromString(name.c_str());
2331                                                                         }
2332                                                                 }
2333                                                                 if (!service_name)
2334                                                                         service_name = PyString_FromString("<n/a>");
2335                                                         }
2336                                                 }
2337                                         // create servicereference string
2338                                                 if (!service_reference && strchr(argstring,'R'))
2339                                                         service_reference = PyString_FromString(ref.toString().c_str());
2340                                         // create list
2341                                                 if (!ret)
2342                                                         ret = PyList_New(0);
2343                                         // create tuple
2344                                                 ePyObject tuple = PyTuple_New(argcount);
2345                                         // fill tuple
2346                                                 fillTuple2(tuple, argstring, argcount, evit->second, ev_data ? &ptr : 0, service_name, service_reference);
2347                                                 PyList_Append(ret, tuple);
2348                                                 Py_DECREF(tuple);
2349                                                 --maxcount;
2350                                         }
2351                                 }
2352                         }
2353                         if (service_name)
2354                                 Py_DECREF(service_name);
2355                         if (service_reference)
2356                                 Py_DECREF(service_reference);
2357                         if (first)
2358                         {
2359                                 // now start at first service in epgcache database ( only in SIMILAR BROADCASTING SEARCH )
2360                                 first=false;
2361                                 cit=eventDB.begin();
2362                         }
2363                         else
2364                                 ++cit;
2365                 }
2366         }
2367
2368         if (!ret)
2369                 Py_RETURN_NONE;
2370
2371         return ret;
2372 }
2373
2374 #ifdef ENABLE_PRIVATE_EPG
2375 #include <dvbsi++/descriptor_tag.h>
2376 #include <dvbsi++/unknown_descriptor.h>
2377 #include <dvbsi++/private_data_specifier_descriptor.h>
2378
2379 void eEPGCache::PMTready(eDVBServicePMTHandler *pmthandler)
2380 {
2381         ePtr<eTable<ProgramMapSection> > ptr;
2382         if (!pmthandler->getPMT(ptr) && ptr)
2383         {
2384                 std::vector<ProgramMapSection*>::const_iterator i;
2385                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
2386                 {
2387                         const ProgramMapSection &pmt = **i;
2388
2389                         ElementaryStreamInfoConstIterator es;
2390                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
2391                         {
2392                                 int tmp=0;
2393                                 switch ((*es)->getType())
2394                                 {
2395                                 case 0x05: // private
2396                                         for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
2397                                                 desc != (*es)->getDescriptors()->end(); ++desc)
2398                                         {
2399                                                 switch ((*desc)->getTag())
2400                                                 {
2401                                                         case PRIVATE_DATA_SPECIFIER_DESCRIPTOR:
2402                                                                 if (((PrivateDataSpecifierDescriptor*)(*desc))->getPrivateDataSpecifier() == 190)
2403                                                                         tmp |= 1;
2404                                                                 break;
2405                                                         case 0x90:
2406                                                         {
2407                                                                 UnknownDescriptor *descr = (UnknownDescriptor*)*desc;
2408                                                                 int descr_len = descr->getLength();
2409                                                                 if (descr_len == 4)
2410                                                                 {
2411                                                                         uint8_t data[descr_len+2];
2412                                                                         descr->writeToBuffer(data);
2413                                                                         if ( !data[2] && !data[3] && data[4] == 0xFF && data[5] == 0xFF )
2414                                                                                 tmp |= 2;
2415                                                                 }
2416                                                                 break;
2417                                                         }
2418                                                         default:
2419                                                                 break;
2420                                                 }
2421                                         }
2422                                 default:
2423                                         break;
2424                                 }
2425                                 if (tmp==3)
2426                                 {
2427                                         eServiceReferenceDVB ref;
2428                                         if (!pmthandler->getServiceReference(ref))
2429                                         {
2430                                                 int pid = (*es)->getPid();
2431                                                 messages.send(Message(Message::got_private_pid, ref, pid));
2432                                                 return;
2433                                         }
2434                                 }
2435                         }
2436                 }
2437         }
2438         else
2439                 eDebug("PMTready but no pmt!!");
2440 }
2441
2442 struct date_time
2443 {
2444         __u8 data[5];
2445         time_t tm;
2446         date_time( const date_time &a )
2447         {
2448                 memcpy(data, a.data, 5);
2449                 tm = a.tm;
2450         }
2451         date_time( const __u8 data[5])
2452         {
2453                 memcpy(this->data, data, 5);
2454                 tm = parseDVBtime(data[0], data[1], data[2], data[3], data[4]);
2455         }
2456         date_time()
2457         {
2458         }
2459         const __u8& operator[](int pos) const
2460         {
2461                 return data[pos];
2462         }
2463 };
2464
2465 struct less_datetime
2466 {
2467         bool operator()( const date_time &a, const date_time &b ) const
2468         {
2469                 return abs(a.tm-b.tm) < 360 ? false : a.tm < b.tm;
2470         }
2471 };
2472
2473 void eEPGCache::privateSectionRead(const uniqueEPGKey &current_service, const __u8 *data)
2474 {
2475         contentMap &content_time_table = content_time_tables[current_service];
2476         singleLock s(cache_lock);
2477         std::map< date_time, std::list<uniqueEPGKey>, less_datetime > start_times;
2478         eventMap &evMap = eventDB[current_service].first;
2479         timeMap &tmMap = eventDB[current_service].second;
2480         int ptr=8;
2481         int content_id = data[ptr++] << 24;
2482         content_id |= data[ptr++] << 16;
2483         content_id |= data[ptr++] << 8;
2484         content_id |= data[ptr++];
2485
2486         contentTimeMap &time_event_map =
2487                 content_time_table[content_id];
2488         for ( contentTimeMap::iterator it( time_event_map.begin() );
2489                 it != time_event_map.end(); ++it )
2490         {
2491                 eventMap::iterator evIt( evMap.find(it->second.second) );
2492                 if ( evIt != evMap.end() )
2493                 {
2494                         delete evIt->second;
2495                         evMap.erase(evIt);
2496                 }
2497                 tmMap.erase(it->second.first);
2498         }
2499         time_event_map.clear();
2500
2501         __u8 duration[3];
2502         memcpy(duration, data+ptr, 3);
2503         ptr+=3;
2504         int duration_sec =
2505                 fromBCD(duration[0])*3600+fromBCD(duration[1])*60+fromBCD(duration[2]);
2506
2507         const __u8 *descriptors[65];
2508         const __u8 **pdescr = descriptors;
2509
2510         int descriptors_length = (data[ptr++]&0x0F) << 8;
2511         descriptors_length |= data[ptr++];
2512         while ( descriptors_length > 1 )
2513         {
2514                 int descr_type = data[ptr];
2515                 int descr_len = data[ptr+1];
2516                 descriptors_length -= 2;
2517                 if (descriptors_length >= descr_len)
2518                 {
2519                         descriptors_length -= descr_len;
2520                         if ( descr_type == 0xf2 && descr_len > 5)
2521                         {
2522                                 ptr+=2;
2523                                 int tsid = data[ptr++] << 8;
2524                                 tsid |= data[ptr++];
2525                                 int onid = data[ptr++] << 8;
2526                                 onid |= data[ptr++];
2527                                 int sid = data[ptr++] << 8;
2528                                 sid |= data[ptr++];
2529
2530 // WORKAROUND for wrong transmitted epg data (01.10.2007)
2531                                 if ( onid == 0x85 )
2532                                 {
2533                                         switch( (tsid << 16) | sid )
2534                                         {
2535                                                 case 0x01030b: sid = 0x1b; tsid = 4; break;  // Premiere Win
2536                                                 case 0x0300f0: sid = 0xe0; tsid = 2; break;
2537                                                 case 0x0300f1: sid = 0xe1; tsid = 2; break;
2538                                                 case 0x0300f5: sid = 0xdc; break;
2539                                                 case 0x0400d2: sid = 0xe2; tsid = 0x11; break;
2540                                                 case 0x1100d3: sid = 0xe3; break;
2541                                                 case 0x0100d4: sid = 0xe4; tsid = 4; break;
2542                                         }
2543                                 }
2544 ////////////////////////////////////////////
2545
2546                                 uniqueEPGKey service( sid, onid, tsid );
2547                                 descr_len -= 6;
2548                                 while( descr_len > 2 )
2549                                 {
2550                                         __u8 datetime[5];
2551                                         datetime[0] = data[ptr++];
2552                                         datetime[1] = data[ptr++];
2553                                         int tmp_len = data[ptr++];
2554                                         descr_len -= 3;
2555                                         if (descr_len >= tmp_len)
2556                                         {
2557                                                 descr_len -= tmp_len;
2558                                                 while( tmp_len > 2 )
2559                                                 {
2560                                                         memcpy(datetime+2, data+ptr, 3);
2561                                                         ptr += 3;
2562                                                         tmp_len -= 3;
2563                                                         start_times[datetime].push_back(service);
2564                                                 }
2565                                         }