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 // the following three methodes are declared in idvb.h
14 RESULT eBouquet::addService(const eServiceReference &ref)
17 std::find(m_services.begin(), m_services.end(), ref);
18 if ( it != m_services.end() )
20 m_services.push_back(ref);
24 RESULT eBouquet::removeService(const eServiceReference &ref)
27 std::find(m_services.begin(), m_services.end(), ref);
28 if ( it == m_services.end() )
34 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
36 if ( pos < 0 || pos >= m_services.size() )
38 list::iterator source=m_services.end();
39 list::iterator dest=m_services.end();
40 for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
42 if (dest == m_services.end() && !pos--)
46 if (dest != m_services.end() && source != m_services.end())
49 if (dest == m_services.end() || source == m_services.end() || source == dest)
51 std::iter_swap(source,dest);
55 eDVBService::eDVBService()
59 eDVBService::~eDVBService()
63 eDVBService &eDVBService::operator=(const eDVBService &s)
65 m_service_name = s.m_service_name;
66 m_service_name_sort = s.m_service_name_sort;
67 m_provider_name = s.m_provider_name;
74 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
76 if (!ref.name.empty())
78 else if (!m_service_name.empty())
79 name = m_service_name;
85 int eDVBService::getLength(const eServiceReference &ref)
90 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
95 case eDVBChannelQuery::tName:
96 res = m_service_name_sort.find(query.m_string) != std::string::npos;
98 case eDVBChannelQuery::tProvider:
99 res = m_provider_name.find(query.m_string) != std::string::npos;
101 case eDVBChannelQuery::tType:
102 res = ref.getServiceType() == query.m_int;
104 case eDVBChannelQuery::tBouquet:
107 case eDVBChannelQuery::tSatellitePosition:
108 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
110 case eDVBChannelQuery::tChannelID:
113 ref.getChannelID(chid);
114 res = chid == query.m_channelid;
117 case eDVBChannelQuery::tAND:
118 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
120 case eDVBChannelQuery::tOR:
121 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
131 int eDVBService::getCachePID(cacheID id)
133 std::map<int, int>::iterator it = m_cache.find(id);
134 if ( it != m_cache.end() )
139 void eDVBService::setCachePID(cacheID id, int pid)
146 /* THIS CODE IS BAD. it should be replaced by somethine better. */
149 eDebug("---- opening lame channel db");
150 FILE *f=fopen("lamedb", "rt");
154 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
156 eDebug("not a servicefile");
160 eDebug("reading services");
161 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
163 eDebug("services invalid, no transponders");
168 // clear all transponders
172 if (!fgets(line, 256, f))
174 if (!strcmp(line, "end\n"))
176 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
177 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
178 if (original_network_id == -1)
180 eDVBChannelID channelid = eDVBChannelID(
181 eDVBNamespace(dvb_namespace),
182 eTransportStreamID(transport_stream_id),
183 eOriginalNetworkID(original_network_id));
185 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
189 if (!strcmp(line, "/\n"))
193 eDVBFrontendParametersSatellite sat;
194 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
195 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
196 sat.frequency = frequency;
197 sat.symbol_rate = symbol_rate;
198 sat.polarisation = polarisation;
200 sat.orbital_position = orbital_position;
201 sat.inversion = inversion;
202 feparm->setDVBS(sat);
203 } else if (line[1]=='t')
205 eDVBFrontendParametersTerrestrial ter;
206 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
207 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);
208 ter.frequency = frequency;
209 ter.bandwidth = bandwidth;
210 ter.code_rate_HP = code_rate_HP;
211 ter.code_rate_LP = code_rate_LP;
212 ter.modulation = modulation;
213 ter.transmission_mode = transmission_mode;
214 ter.guard_interval = guard_interval;
215 ter.hierarchy = hierarchy;
216 ter.inversion = inversion;
218 feparm->setDVBT(ter);
219 } else if (line[1]=='c')
221 int frequency, symbol_rate, inversion=0, modulation=3;
222 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
223 // t.setCable(frequency, symbol_rate, inversion, modulation);
226 addChannelToList(channelid, feparm);
229 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
231 eDebug("services invalid, no services");
235 // clear all services
241 if (!fgets(line, 256, f))
243 if (!strcmp(line, "end\n"))
246 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
247 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
248 if (service_number == -1)
250 ePtr<eDVBService> s = new eDVBService;
251 eServiceReferenceDVB ref =
252 eServiceReferenceDVB(
253 eDVBNamespace(dvb_namespace),
254 eTransportStreamID(transport_stream_id),
255 eOriginalNetworkID(original_network_id),
256 eServiceID(service_id),
261 line[strlen(line)-1]=0;
263 s->m_service_name = line;
264 s->m_service_name_sort = removeDVBChars(line);
265 makeUpper(s->m_service_name_sort);
266 while ((!s->m_service_name_sort.empty()) && s->m_service_name_sort[0] == ' ')
267 s->m_service_name_sort.erase(0, 1);
269 /* put unnamed services at the end, not at the beginning. */
270 if (s->m_service_name_sort.empty())
271 s->m_service_name_sort = "\xFF";
275 line[strlen(line)-1]=0;
277 std::string str=line;
279 if (str[1]!=':') // old ... (only service_provider)
281 s->m_provider_name=line;
283 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
285 unsigned int c=str.find(',');
288 if (c == std::string::npos)
294 v=str.substr(2, c-2);
297 // eDebug("%c ... %s", p, v.c_str());
299 s->m_provider_name=v;
302 sscanf(v.c_str(), "%x", &s->m_flags);
306 sscanf(v.c_str(), "%02d%04x", &cid, &val);
311 sscanf(v.c_str(), "%04x", &val);
318 eDebug("loaded %d services", count);
325 eDebug("---- saving lame channel db");
326 FILE *f=fopen("lamedb", "wt");
327 int channels=0, services=0;
329 eFatal("couldn't save lame channel db!");
330 fprintf(f, "eDVB services /3/\n");
331 fprintf(f, "transponders\n");
332 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
333 i != m_channels.end(); ++i)
335 const eDVBChannelID &chid = i->first;
336 const channel &ch = i->second;
338 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
339 chid.transport_stream_id.get(), chid.original_network_id.get());
340 eDVBFrontendParametersSatellite sat;
341 eDVBFrontendParametersTerrestrial ter;
342 if (!ch.m_frontendParameters->getDVBS(sat))
344 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
345 sat.frequency, sat.symbol_rate,
346 sat.polarisation, sat.fec, sat.orbital_position,
349 if (!ch.m_frontendParameters->getDVBT(ter))
351 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
352 ter.frequency, ter.bandwidth, ter.code_rate_HP,
353 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
354 ter.guard_interval, ter.hierarchy, ter.inversion);
359 fprintf(f, "end\nservices\n");
361 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
362 i != m_services.end(); ++i)
364 const eServiceReferenceDVB &s = i->first;
365 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
366 s.getServiceID().get(), s.getDVBNamespace().get(),
367 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
371 fprintf(f, "%s\n", i->second->m_service_name.c_str());
372 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
375 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
376 ca != i->second->m_cache.end(); ++ca)
377 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
379 // write cached ca pids
380 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
381 ca != i->second->m_ca.end(); ++ca)
382 fprintf(f, ",C:%04x", *ca);
387 fprintf(f, "end\nHave a lot of bugs!\n");
388 eDebug("saved %d channels and %d services!", channels, services);
392 void eDVBDB::loadBouquet(const char *path)
394 std::string bouquet_name = path;
395 if (!bouquet_name.length())
397 eDebug("Bouquet load failed.. no path given..");
400 unsigned int pos = bouquet_name.rfind('/');
401 if ( pos != std::string::npos )
402 bouquet_name.erase(0, pos+1);
403 if (bouquet_name.empty())
405 eDebug("Bouquet load failed.. no filename given..");
408 eBouquet &bouquet = m_bouquets[bouquet_name];
409 bouquet.m_path = path;
410 std::list<eServiceReference> &list = bouquet.m_services;
413 eDebug("loading bouquet... %s", path);
414 FILE *fp=fopen(path, "rt");
418 eDebug("failed to open.");
422 bool read_descr=false;
423 eServiceReference *e = NULL;
426 if (!fgets(line, 256, fp))
428 line[strlen(line)-1]=0;
429 if (strlen(line) && line[strlen(line)-1]=='\r')
430 line[strlen(line)-1]=0;
435 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
437 int offs = line[8] == ':' ? 10 : 9;
438 eServiceReference tmp(line+offs);
439 if (tmp.type != eServiceReference::idDVB)
441 eDebug("only DVB Bouquets supported");
444 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
446 std::string str = tmp.path;
447 unsigned int pos = str.rfind('/');
448 if ( pos != std::string::npos )
452 eDebug("Bouquet load failed.. no filename given..");
455 loadBouquet(tmp.path.c_str());
457 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], str.c_str());
465 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
470 else if (!strncmp(line, "#NAME ", 6))
471 bouquet.m_bouquet_name=line+6;
476 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
479 void eDVBDB::saveBouquet(const char *path)
484 void eDVBDB::loadBouquets()
486 loadBouquet("bouquets.tv");
487 loadBouquet("bouquets.radio");
490 void eDVBDB::saveBouquets()
506 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
510 ch.m_frontendParameters = feparm;
511 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
515 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
517 m_channels.erase(id);
521 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
523 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
524 if (i == m_channels.end())
529 parm = i->second.m_frontendParameters;
533 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
535 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
539 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
541 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
542 i = m_services.find(reference);
543 if (i == m_services.end())
552 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
554 std::string str = ref.path;
557 eDebug("getBouquet failed.. no path given!");
560 unsigned int pos = str.find("FROM BOUQUET \"");
561 if ( pos != std::string::npos )
563 str.erase(0, pos+14);
565 if ( pos != std::string::npos )
572 eDebug("getBouquet failed.. couldn't parse bouquet name");
575 std::map<std::string, eBouquet>::iterator i =
576 m_bouquets.find(str);
577 if (i == m_bouquets.end())
582 bouquet = &i->second;
586 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
588 if ( q && q->m_bouquet_name.length() )
589 query = new eDVBDBBouquetQuery(this, source, q);
591 query = new eDVBDBQuery(this, source, q);
595 DEFINE_REF(eDVBDBQueryBase);
597 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
598 :m_db(db), m_query(query), m_source(source)
602 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
604 ePtr<eDVBService> a_service, b_service;
606 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
608 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
610 if (m_db->getService(a, a_service))
612 if (m_db->getService(b, b_service))
618 case eDVBChannelQuery::tName:
619 return a_service->m_service_name_sort < b_service->m_service_name_sort;
620 case eDVBChannelQuery::tProvider:
621 return a_service->m_provider_name < b_service->m_provider_name;
622 case eDVBChannelQuery::tType:
623 return a.getServiceType() < b.getServiceType();
624 case eDVBChannelQuery::tBouquet:
626 case eDVBChannelQuery::tSatellitePosition:
627 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
634 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
635 :eDVBDBQueryBase(db, source, query)
637 m_cursor = m_db->m_services.begin();
640 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
642 while (m_cursor != m_db->m_services.end())
644 ref = m_cursor->first;
646 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
654 ref = eServiceReferenceDVB();
658 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
659 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
663 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
665 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
666 std::list<eServiceReference> &list = bouquet.m_services;
667 while (m_cursor != list.end())
669 ref = *((eServiceReferenceDVB*)&(*m_cursor));
671 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
672 m_db->m_services.find(ref);
674 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
682 ref = eServiceReferenceDVB();
687 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
689 static int decodeType(const std::string &type)
692 return eDVBChannelQuery::tName;
693 else if (type == "provider")
694 return eDVBChannelQuery::tProvider;
695 else if (type == "type")
696 return eDVBChannelQuery::tType;
697 else if (type == "bouquet")
698 return eDVBChannelQuery::tBouquet;
699 else if (type == "satellitePosition")
700 return eDVBChannelQuery::tSatellitePosition;
701 else if (type == "channelID")
702 return eDVBChannelQuery::tChannelID;
707 /* never, NEVER write a parser in C++! */
708 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
710 std::list<std::string>::const_iterator end_of_exp;
714 while (end_of_exp != end)
715 if (*end_of_exp == ")")
720 if (end_of_exp == end)
722 eDebug("expression parse: end of expression while searching for closing brace");
728 int r = parseExpression(res, begin, end_of_exp);
733 /* we had only one sub expression */
734 if (end_of_exp == end)
736 // eDebug("only one sub expression");
740 /* otherwise we have an operator here.. */
742 ePtr<eDVBChannelQuery> r2 = res;
743 res = new eDVBChannelQuery();
749 if (*end_of_exp == "||")
750 res->m_type = eDVBChannelQuery::tOR;
751 else if (*end_of_exp == "&&")
752 res->m_type = eDVBChannelQuery::tAND;
755 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
762 return parseExpression(res->m_p2, end_of_exp, end);
765 // "begin" <op> "end"
766 std::string type, op, val;
768 res = new eDVBChannelQuery();
786 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
795 eDebug("malformed query: missing stuff");
800 res->m_type = decodeType(type);
802 if (res->m_type == -1)
804 eDebug("malformed query: invalid type %s", type.c_str());
815 eDebug("invalid operator %s", op.c_str());
821 res->m_int = atoi(val.c_str());
822 // res->m_channelid = eDVBChannelID(val);
827 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
829 std::list<std::string> tokens;
831 std::string current_token;
832 std::string bouquet_name;
834 // eDebug("splitting %s....", query.c_str());
836 const char *splitchars="()";
837 int quotemode = 0, lastsplit = 0, lastalnum = 0;
838 while (i <= query.size())
840 int c = (i < query.size()) ? query[i] : ' ';
843 int issplit = !!strchr(splitchars, c);
844 int isaln = isalnum(c);
845 int iswhite = c == ' ';
846 int isquot = c == '\"';
850 iswhite = issplit = 0;
854 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
856 if (current_token.size())
857 tokens.push_back(current_token);
858 current_token.clear();
861 if (!(iswhite || isquot))
865 quotemode = !quotemode;
870 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
872 // printf("%s\n", a->c_str());
875 int sort = eDVBChannelQuery::tName;
876 /* check for "ORDER BY ..." */
878 while (tokens.size() > 2)
880 std::list<std::string>::iterator it = tokens.end();
888 sort = decodeType(*it);
889 tokens.pop_back(); // ...
890 tokens.pop_back(); // BY
891 tokens.pop_back(); // ORDER
895 else if (*it == "FROM")
898 if (*it == "BOUQUET")
902 tokens.pop_back(); // ...
903 tokens.pop_back(); // FROM
904 tokens.pop_back(); // BOUQUET
913 eWarning("ORDER BY .. string invalid.");
918 // eDebug("sort by %d", sort);
920 /* now we recursivly parse that. */
921 int r = parseExpression(res, tokens.begin(), tokens.end());
926 res->m_bouquet_name = bouquet_name;
929 // eDebug("return: %d", r);
933 DEFINE_REF(eDVBChannelQuery);