2 #include <lib/dvb/db.h>
3 #include <lib/dvb/frontend.h>
4 #include <lib/base/eerror.h>
5 #include <lib/base/estring.h>
6 #include <dvbsi++/service_description_section.h>
7 #include <dvbsi++/descriptor_tag.h>
8 #include <dvbsi++/service_descriptor.h>
9 #include <dvbsi++/satellite_delivery_system_descriptor.h>
11 DEFINE_REF(eDVBService);
13 RESULT eBouquet::addService(const eServiceReference &ref)
16 std::find(m_services.begin(), m_services.end(), ref);
17 if ( it != m_services.end() )
19 m_services.push_back(ref);
23 RESULT eBouquet::removeService(const eServiceReference &ref)
26 std::find(m_services.begin(), m_services.end(), ref);
27 if ( it == m_services.end() )
33 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
35 if ( pos < 0 || pos >= m_services.size() )
37 list::iterator source=m_services.end();
38 list::iterator dest=m_services.end();
39 for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
41 if (dest == m_services.end() && !pos--)
45 if (dest != m_services.end() && source != m_services.end())
48 if (dest == m_services.end() || source == m_services.end() || source == dest)
50 std::iter_swap(source,dest);
54 RESULT eBouquet::flushChanges()
56 FILE *f=fopen(m_path.c_str(), "wt");
59 if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
61 for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
63 eServiceReference tmp = *i;
64 std::string str = tmp.path;
65 if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
67 unsigned int p1 = str.find("FROM BOUQUET \"");
68 if (p1 == std::string::npos)
70 eDebug("doof... kaputt");
75 if (p1 == std::string::npos)
77 eDebug("doof2... kaputt");
83 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
85 if ( i->name.length() )
86 if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
93 eDebug("couldn't write file %s", m_path.c_str());
97 eDVBService::eDVBService()
101 eDVBService::~eDVBService()
105 eDVBService &eDVBService::operator=(const eDVBService &s)
107 m_service_name = s.m_service_name;
108 m_service_name_sort = s.m_service_name_sort;
109 m_provider_name = s.m_provider_name;
116 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
118 if (!ref.name.empty())
120 else if (!m_service_name.empty())
121 name = m_service_name;
127 int eDVBService::getLength(const eServiceReference &ref)
132 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
135 switch (query.m_type)
137 case eDVBChannelQuery::tName:
138 res = m_service_name_sort.find(query.m_string) != std::string::npos;
140 case eDVBChannelQuery::tProvider:
141 res = m_provider_name.find(query.m_string) != std::string::npos;
143 case eDVBChannelQuery::tType:
144 res = ref.getServiceType() == query.m_int;
146 case eDVBChannelQuery::tBouquet:
149 case eDVBChannelQuery::tSatellitePosition:
150 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
152 case eDVBChannelQuery::tChannelID:
155 ref.getChannelID(chid);
156 res = chid == query.m_channelid;
159 case eDVBChannelQuery::tAND:
160 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
162 case eDVBChannelQuery::tOR:
163 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
173 int eDVBService::getCachePID(cacheID id)
175 std::map<int, int>::iterator it = m_cache.find(id);
176 if ( it != m_cache.end() )
181 void eDVBService::setCachePID(cacheID id, int pid)
188 /* THIS CODE IS BAD. it should be replaced by somethine better. */
191 eDebug("---- opening lame channel db");
192 FILE *f=fopen("lamedb", "rt");
196 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
198 eDebug("not a servicefile");
202 eDebug("reading services");
203 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
205 eDebug("services invalid, no transponders");
210 // clear all transponders
214 if (!fgets(line, 256, f))
216 if (!strcmp(line, "end\n"))
218 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
219 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
220 if (original_network_id == -1)
222 eDVBChannelID channelid = eDVBChannelID(
223 eDVBNamespace(dvb_namespace),
224 eTransportStreamID(transport_stream_id),
225 eOriginalNetworkID(original_network_id));
227 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
231 if (!strcmp(line, "/\n"))
235 eDVBFrontendParametersSatellite sat;
236 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
237 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
238 sat.frequency = frequency;
239 sat.symbol_rate = symbol_rate;
240 sat.polarisation = polarisation;
242 sat.orbital_position = orbital_position;
243 sat.inversion = inversion;
244 feparm->setDVBS(sat);
245 } else if (line[1]=='t')
247 eDVBFrontendParametersTerrestrial ter;
248 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
249 sscanf(line+2, "%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &bandwidth, &code_rate_HP, &code_rate_LP, &modulation, &transmission_mode, &guard_interval, &hierarchy, &inversion);
250 ter.frequency = frequency;
251 ter.bandwidth = bandwidth;
252 ter.code_rate_HP = code_rate_HP;
253 ter.code_rate_LP = code_rate_LP;
254 ter.modulation = modulation;
255 ter.transmission_mode = transmission_mode;
256 ter.guard_interval = guard_interval;
257 ter.hierarchy = hierarchy;
258 ter.inversion = inversion;
260 feparm->setDVBT(ter);
261 } else if (line[1]=='c')
263 int frequency, symbol_rate, inversion=0, modulation=3;
264 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
265 // t.setCable(frequency, symbol_rate, inversion, modulation);
268 addChannelToList(channelid, feparm);
271 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
273 eDebug("services invalid, no services");
277 // clear all services
283 if (!fgets(line, 256, f))
285 if (!strcmp(line, "end\n"))
288 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
289 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
290 if (service_number == -1)
292 ePtr<eDVBService> s = new eDVBService;
293 eServiceReferenceDVB ref =
294 eServiceReferenceDVB(
295 eDVBNamespace(dvb_namespace),
296 eTransportStreamID(transport_stream_id),
297 eOriginalNetworkID(original_network_id),
298 eServiceID(service_id),
303 line[strlen(line)-1]=0;
305 s->m_service_name = line;
306 s->m_service_name_sort = removeDVBChars(line);
307 makeUpper(s->m_service_name_sort);
308 while ((!s->m_service_name_sort.empty()) && s->m_service_name_sort[0] == ' ')
309 s->m_service_name_sort.erase(0, 1);
311 /* put unnamed services at the end, not at the beginning. */
312 if (s->m_service_name_sort.empty())
313 s->m_service_name_sort = "\xFF";
317 line[strlen(line)-1]=0;
319 std::string str=line;
321 if (str[1]!=':') // old ... (only service_provider)
323 s->m_provider_name=line;
325 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
327 unsigned int c=str.find(',');
330 if (c == std::string::npos)
336 v=str.substr(2, c-2);
339 // eDebug("%c ... %s", p, v.c_str());
341 s->m_provider_name=v;
344 sscanf(v.c_str(), "%x", &s->m_flags);
348 sscanf(v.c_str(), "%02d%04x", &cid, &val);
353 sscanf(v.c_str(), "%04x", &val);
360 eDebug("loaded %d services", count);
367 eDebug("---- saving lame channel db");
368 FILE *f=fopen("lamedb", "wt");
369 int channels=0, services=0;
371 eFatal("couldn't save lame channel db!");
372 fprintf(f, "eDVB services /3/\n");
373 fprintf(f, "transponders\n");
374 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
375 i != m_channels.end(); ++i)
377 const eDVBChannelID &chid = i->first;
378 const channel &ch = i->second;
380 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
381 chid.transport_stream_id.get(), chid.original_network_id.get());
382 eDVBFrontendParametersSatellite sat;
383 eDVBFrontendParametersTerrestrial ter;
384 if (!ch.m_frontendParameters->getDVBS(sat))
386 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
387 sat.frequency, sat.symbol_rate,
388 sat.polarisation, sat.fec, sat.orbital_position,
391 if (!ch.m_frontendParameters->getDVBT(ter))
393 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
394 ter.frequency, ter.bandwidth, ter.code_rate_HP,
395 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
396 ter.guard_interval, ter.hierarchy, ter.inversion);
401 fprintf(f, "end\nservices\n");
403 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
404 i != m_services.end(); ++i)
406 const eServiceReferenceDVB &s = i->first;
407 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
408 s.getServiceID().get(), s.getDVBNamespace().get(),
409 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
413 fprintf(f, "%s\n", i->second->m_service_name.c_str());
414 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
417 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
418 ca != i->second->m_cache.end(); ++ca)
419 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
421 // write cached ca pids
422 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
423 ca != i->second->m_ca.end(); ++ca)
424 fprintf(f, ",C:%04x", *ca);
429 fprintf(f, "end\nHave a lot of bugs!\n");
430 eDebug("saved %d channels and %d services!", channels, services);
434 void eDVBDB::loadBouquet(const char *path)
436 std::string bouquet_name = path;
437 if (!bouquet_name.length())
439 eDebug("Bouquet load failed.. no path given..");
442 unsigned int pos = bouquet_name.rfind('/');
443 if ( pos != std::string::npos )
444 bouquet_name.erase(0, pos+1);
445 if (bouquet_name.empty())
447 eDebug("Bouquet load failed.. no filename given..");
450 eBouquet &bouquet = m_bouquets[bouquet_name];
451 bouquet.m_path = path;
452 std::list<eServiceReference> &list = bouquet.m_services;
455 eDebug("loading bouquet... %s", path);
456 FILE *fp=fopen(path, "rt");
460 eDebug("failed to open.");
461 if ( strstr(path, "bouquets.tv") )
463 eDebug("recreate bouquets.tv");
464 bouquet.m_bouquet_name="Bouquets (TV)";
465 bouquet.flushChanges();
467 else if ( strstr(path, "bouquets.radio") )
469 eDebug("recreate bouquets.radio");
470 bouquet.m_bouquet_name="Bouquets (Radio)";
471 bouquet.flushChanges();
476 bool read_descr=false;
477 eServiceReference *e = NULL;
480 if (!fgets(line, 256, fp))
482 line[strlen(line)-1]=0;
483 if (strlen(line) && line[strlen(line)-1]=='\r')
484 line[strlen(line)-1]=0;
489 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
491 int offs = line[8] == ':' ? 10 : 9;
492 eServiceReference tmp(line+offs);
493 if (tmp.type != eServiceReference::idDVB)
495 eDebug("only DVB Bouquets supported");
498 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
500 std::string str = tmp.path;
501 unsigned int pos = str.rfind('/');
502 if ( pos != std::string::npos )
506 eDebug("Bouquet load failed.. no filename given..");
509 loadBouquet(tmp.path.c_str());
511 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], str.c_str());
519 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
524 else if (!strncmp(line, "#NAME ", 6))
525 bouquet.m_bouquet_name=line+6;
530 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
533 void eDVBDB::saveBouquet(const char *path)
538 void eDVBDB::loadBouquets()
540 loadBouquet("bouquets.tv");
541 loadBouquet("bouquets.radio");
542 // create default bouquets when missing
543 if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
545 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
546 b.m_path = "userbouquet.favourites.tv";
547 b.m_bouquet_name = "Favourites (TV)";
549 eServiceReference ref;
550 memset(ref.data, 0, sizeof(ref.data));
554 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
555 eBouquet &parent = m_bouquets["bouquets.tv"];
556 parent.m_services.push_back(ref);
557 parent.flushChanges();
559 if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
561 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
562 b.m_path = "userbouquet.favourites.radio";
563 b.m_bouquet_name = "Favourites (Radio)";
565 eServiceReference ref;
566 memset(ref.data, 0, sizeof(ref.data));
570 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
571 eBouquet &parent = m_bouquets["bouquets.radio"];
572 parent.m_services.push_back(ref);
573 parent.flushChanges();
577 void eDVBDB::saveBouquets()
593 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
597 ch.m_frontendParameters = feparm;
598 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
602 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
604 m_channels.erase(id);
608 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
610 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
611 if (i == m_channels.end())
616 parm = i->second.m_frontendParameters;
620 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
622 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
626 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
628 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
629 i = m_services.find(reference);
630 if (i == m_services.end())
639 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
641 std::string str = ref.path;
644 eDebug("getBouquet failed.. no path given!");
647 unsigned int pos = str.find("FROM BOUQUET \"");
648 if ( pos != std::string::npos )
650 str.erase(0, pos+14);
652 if ( pos != std::string::npos )
659 eDebug("getBouquet failed.. couldn't parse bouquet name");
662 std::map<std::string, eBouquet>::iterator i =
663 m_bouquets.find(str);
664 if (i == m_bouquets.end())
669 bouquet = &i->second;
673 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
675 if ( q && q->m_bouquet_name.length() )
676 query = new eDVBDBBouquetQuery(this, source, q);
678 query = new eDVBDBQuery(this, source, q);
682 DEFINE_REF(eDVBDBQueryBase);
684 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
685 :m_db(db), m_query(query), m_source(source)
689 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
691 ePtr<eDVBService> a_service, b_service;
693 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
695 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
697 if (m_db->getService(a, a_service))
699 if (m_db->getService(b, b_service))
705 case eDVBChannelQuery::tName:
706 return a_service->m_service_name_sort < b_service->m_service_name_sort;
707 case eDVBChannelQuery::tProvider:
708 return a_service->m_provider_name < b_service->m_provider_name;
709 case eDVBChannelQuery::tType:
710 return a.getServiceType() < b.getServiceType();
711 case eDVBChannelQuery::tBouquet:
713 case eDVBChannelQuery::tSatellitePosition:
714 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
721 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
722 :eDVBDBQueryBase(db, source, query)
724 m_cursor = m_db->m_services.begin();
727 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
729 while (m_cursor != m_db->m_services.end())
731 ref = m_cursor->first;
733 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
741 ref.type = eServiceReference::idInvalid;
746 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
747 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
751 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
753 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
754 std::list<eServiceReference> &list = bouquet.m_services;
755 while (m_cursor != list.end())
757 ref = *((eServiceReferenceDVB*)&(*m_cursor));
759 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
760 m_db->m_services.find(ref);
762 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
770 ref.type = eServiceReference::idInvalid;
775 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
777 static int decodeType(const std::string &type)
780 return eDVBChannelQuery::tName;
781 else if (type == "provider")
782 return eDVBChannelQuery::tProvider;
783 else if (type == "type")
784 return eDVBChannelQuery::tType;
785 else if (type == "bouquet")
786 return eDVBChannelQuery::tBouquet;
787 else if (type == "satellitePosition")
788 return eDVBChannelQuery::tSatellitePosition;
789 else if (type == "channelID")
790 return eDVBChannelQuery::tChannelID;
795 /* never, NEVER write a parser in C++! */
796 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
798 std::list<std::string>::const_iterator end_of_exp;
802 while (end_of_exp != end)
803 if (*end_of_exp == ")")
808 if (end_of_exp == end)
810 eDebug("expression parse: end of expression while searching for closing brace");
816 int r = parseExpression(res, begin, end_of_exp);
821 /* we had only one sub expression */
822 if (end_of_exp == end)
824 // eDebug("only one sub expression");
828 /* otherwise we have an operator here.. */
830 ePtr<eDVBChannelQuery> r2 = res;
831 res = new eDVBChannelQuery();
837 if (*end_of_exp == "||")
838 res->m_type = eDVBChannelQuery::tOR;
839 else if (*end_of_exp == "&&")
840 res->m_type = eDVBChannelQuery::tAND;
843 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
850 return parseExpression(res->m_p2, end_of_exp, end);
853 // "begin" <op> "end"
854 std::string type, op, val;
856 res = new eDVBChannelQuery();
874 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
883 eDebug("malformed query: missing stuff");
888 res->m_type = decodeType(type);
890 if (res->m_type == -1)
892 eDebug("malformed query: invalid type %s", type.c_str());
903 eDebug("invalid operator %s", op.c_str());
909 res->m_int = atoi(val.c_str());
910 // res->m_channelid = eDVBChannelID(val);
915 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
917 std::list<std::string> tokens;
919 std::string current_token;
920 std::string bouquet_name;
922 // eDebug("splitting %s....", query.c_str());
924 const char *splitchars="()";
925 int quotemode = 0, lastsplit = 0, lastalnum = 0;
926 while (i <= query.size())
928 int c = (i < query.size()) ? query[i] : ' ';
931 int issplit = !!strchr(splitchars, c);
932 int isaln = isalnum(c);
933 int iswhite = c == ' ';
934 int isquot = c == '\"';
938 iswhite = issplit = 0;
942 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
944 if (current_token.size())
945 tokens.push_back(current_token);
946 current_token.clear();
949 if (!(iswhite || isquot))
953 quotemode = !quotemode;
958 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
960 // printf("%s\n", a->c_str());
963 int sort = eDVBChannelQuery::tName;
964 /* check for "ORDER BY ..." */
966 while (tokens.size() > 2)
968 std::list<std::string>::iterator it = tokens.end();
976 sort = decodeType(*it);
977 tokens.pop_back(); // ...
978 tokens.pop_back(); // BY
979 tokens.pop_back(); // ORDER
983 else if (*it == "FROM")
986 if (*it == "BOUQUET")
990 tokens.pop_back(); // ...
991 tokens.pop_back(); // FROM
992 tokens.pop_back(); // BOUQUET
1001 eWarning("ORDER BY .. string invalid.");
1006 // eDebug("sort by %d", sort);
1008 /* now we recursivly parse that. */
1009 int r = parseExpression(res, tokens.begin(), tokens.end());
1014 res->m_bouquet_name = bouquet_name;
1017 // eDebug("return: %d", r);
1021 DEFINE_REF(eDVBChannelQuery);