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 eDVBService::eDVBService()
17 eDVBService::~eDVBService()
21 eDVBService &eDVBService::operator=(const eDVBService &s)
23 m_service_name = s.m_service_name;
24 m_service_name_sort = s.m_service_name_sort;
25 m_provider_name = s.m_provider_name;
32 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
34 if (!ref.name.empty())
36 else if (!m_service_name.empty())
37 name = m_service_name;
43 int eDVBService::getLength(const eServiceReference &ref)
48 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
53 case eDVBChannelQuery::tName:
54 res = m_service_name_sort.find(query.m_string) != std::string::npos;
56 case eDVBChannelQuery::tProvider:
57 res = m_provider_name.find(query.m_string) != std::string::npos;
59 case eDVBChannelQuery::tType:
60 res = ref.getServiceType() == query.m_int;
62 case eDVBChannelQuery::tBouquet:
65 case eDVBChannelQuery::tSatellitePosition:
66 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
68 case eDVBChannelQuery::tChannelID:
71 ref.getChannelID(chid);
72 res = chid == query.m_channelid;
75 case eDVBChannelQuery::tAND:
76 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
78 case eDVBChannelQuery::tOR:
79 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
89 int eDVBService::getCachePID(cacheID id)
91 std::map<int, int>::iterator it = m_cache.find(id);
92 if ( it != m_cache.end() )
97 void eDVBService::setCachePID(cacheID id, int pid)
104 /* THIS CODE IS BAD. it should be replaced by somethine better. */
107 eDebug("---- opening lame channel db");
108 FILE *f=fopen("lamedb", "rt");
112 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
114 eDebug("not a servicefile");
118 eDebug("reading services");
119 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
121 eDebug("services invalid, no transponders");
126 // clear all transponders
130 if (!fgets(line, 256, f))
132 if (!strcmp(line, "end\n"))
134 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
135 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
136 if (original_network_id == -1)
138 eDVBChannelID channelid = eDVBChannelID(
139 eDVBNamespace(dvb_namespace),
140 eTransportStreamID(transport_stream_id),
141 eOriginalNetworkID(original_network_id));
143 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
147 if (!strcmp(line, "/\n"))
151 eDVBFrontendParametersSatellite sat;
152 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
153 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
154 sat.frequency = frequency;
155 sat.symbol_rate = symbol_rate;
156 sat.polarisation = polarisation;
158 sat.orbital_position = orbital_position;
159 sat.inversion = inversion;
160 feparm->setDVBS(sat);
161 } else if (line[1]=='t')
163 eDVBFrontendParametersTerrestrial ter;
164 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
165 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);
166 ter.frequency = frequency;
167 ter.bandwidth = bandwidth;
168 ter.code_rate_HP = code_rate_HP;
169 ter.code_rate_LP = code_rate_LP;
170 ter.modulation = modulation;
171 ter.transmission_mode = transmission_mode;
172 ter.guard_interval = guard_interval;
173 ter.hierarchy = hierarchy;
174 ter.inversion = inversion;
176 feparm->setDVBT(ter);
177 } else if (line[1]=='c')
179 int frequency, symbol_rate, inversion=0, modulation=3;
180 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
181 // t.setCable(frequency, symbol_rate, inversion, modulation);
184 addChannelToList(channelid, feparm);
187 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
189 eDebug("services invalid, no services");
193 // clear all services
199 if (!fgets(line, 256, f))
201 if (!strcmp(line, "end\n"))
204 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
205 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
206 if (service_number == -1)
208 ePtr<eDVBService> s = new eDVBService;
209 eServiceReferenceDVB ref =
210 eServiceReferenceDVB(
211 eDVBNamespace(dvb_namespace),
212 eTransportStreamID(transport_stream_id),
213 eOriginalNetworkID(original_network_id),
214 eServiceID(service_id),
219 line[strlen(line)-1]=0;
221 s->m_service_name = line;
222 s->m_service_name_sort = removeDVBChars(line);
223 makeUpper(s->m_service_name_sort);
224 while ((!s->m_service_name_sort.empty()) && s->m_service_name_sort[0] == ' ')
225 s->m_service_name_sort.erase(0, 1);
227 /* put unnamed services at the end, not at the beginning. */
228 if (s->m_service_name_sort.empty())
229 s->m_service_name_sort = "\xFF";
233 line[strlen(line)-1]=0;
235 std::string str=line;
237 if (str[1]!=':') // old ... (only service_provider)
239 s->m_provider_name=line;
241 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
243 unsigned int c=str.find(',');
246 if (c == std::string::npos)
252 v=str.substr(2, c-2);
255 // eDebug("%c ... %s", p, v.c_str());
257 s->m_provider_name=v;
260 sscanf(v.c_str(), "%x", &s->m_flags);
264 sscanf(v.c_str(), "%02d%04x", &cid, &val);
269 sscanf(v.c_str(), "%04x", &val);
276 eDebug("loaded %d services", count);
283 eDebug("---- saving lame channel db");
284 FILE *f=fopen("lamedb", "wt");
285 int channels=0, services=0;
287 eFatal("couldn't save lame channel db!");
288 fprintf(f, "eDVB services /3/\n");
289 fprintf(f, "transponders\n");
290 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
291 i != m_channels.end(); ++i)
293 const eDVBChannelID &chid = i->first;
294 const channel &ch = i->second;
296 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
297 chid.transport_stream_id.get(), chid.original_network_id.get());
298 eDVBFrontendParametersSatellite sat;
299 eDVBFrontendParametersTerrestrial ter;
300 if (!ch.m_frontendParameters->getDVBS(sat))
302 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
303 sat.frequency, sat.symbol_rate,
304 sat.polarisation, sat.fec, sat.orbital_position,
307 if (!ch.m_frontendParameters->getDVBT(ter))
309 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
310 ter.frequency, ter.bandwidth, ter.code_rate_HP,
311 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
312 ter.guard_interval, ter.hierarchy, ter.inversion);
317 fprintf(f, "end\nservices\n");
319 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
320 i != m_services.end(); ++i)
322 const eServiceReferenceDVB &s = i->first;
323 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
324 s.getServiceID().get(), s.getDVBNamespace().get(),
325 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
329 fprintf(f, "%s\n", i->second->m_service_name.c_str());
330 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
333 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
334 ca != i->second->m_cache.end(); ++ca)
335 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
337 // write cached ca pids
338 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
339 ca != i->second->m_ca.end(); ++ca)
340 fprintf(f, ",C:%04x", *ca);
345 fprintf(f, "end\nHave a lot of bugs!\n");
346 eDebug("saved %d channels and %d services!", channels, services);
350 void eDVBDB::loadBouquet(const char *path)
352 std::string bouquet_name = path;
353 if (!bouquet_name.length())
355 eDebug("Bouquet load failed.. no path given..");
358 unsigned int pos = bouquet_name.rfind('/');
359 if ( pos != std::string::npos )
360 bouquet_name.erase(0, pos+1);
361 if (bouquet_name.empty())
363 eDebug("Bouquet load failed.. no filename given..");
366 eBouquet &bouquet = m_bouquets[bouquet_name];
367 bouquet.m_path = path;
368 std::list<eServiceReference> &list = bouquet.m_services;
371 eDebug("loading bouquet... %s", path);
372 FILE *fp=fopen(path, "rt");
376 eDebug("failed to open.");
380 bool read_descr=false;
381 eServiceReference *e = NULL;
384 if (!fgets(line, 256, fp))
386 line[strlen(line)-1]=0;
387 if (strlen(line) && line[strlen(line)-1]=='\r')
388 line[strlen(line)-1]=0;
393 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
395 int offs = line[8] == ':' ? 10 : 9;
396 eServiceReference tmp(line+offs);
397 if (tmp.type != eServiceReference::idDVB)
399 eDebug("only DVB Bouquets supported");
402 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
404 std::string str = tmp.path;
405 unsigned int pos = str.rfind('/');
406 if ( pos != std::string::npos )
410 eDebug("Bouquet load failed.. no filename given..");
413 loadBouquet(tmp.path.c_str());
415 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], str.c_str());
423 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
428 else if (!strncmp(line, "#NAME ", 6))
429 bouquet.m_bouquet_name=line+6;
434 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
437 void eDVBDB::saveBouquet(const char *path)
442 void eDVBDB::loadBouquets()
444 loadBouquet("bouquets.tv");
445 loadBouquet("bouquets.radio");
448 void eDVBDB::saveBouquets()
464 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
468 ch.m_frontendParameters = feparm;
469 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
473 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
475 m_channels.erase(id);
479 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
481 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
482 if (i == m_channels.end())
487 parm = i->second.m_frontendParameters;
491 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
493 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
497 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
499 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
500 i = m_services.find(reference);
501 if (i == m_services.end())
510 RESULT eDVBDB::getBouquet(const eServiceReference &ref, const eBouquet* &bouquet)
512 std::string str = ref.path;
515 eDebug("getBouquet failed.. no path given!");
518 unsigned int pos = str.find("FROM BOUQUET \"");
519 if ( pos != std::string::npos )
521 str.erase(0, pos+14);
523 if ( pos != std::string::npos )
530 eDebug("getBouquet failed.. couldn't parse bouquet name");
533 std::map<std::string, eBouquet>::iterator i =
534 m_bouquets.find(str);
535 if (i == m_bouquets.end())
540 bouquet = &i->second;
544 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
546 if ( q && q->m_bouquet_name.length() )
547 query = new eDVBDBBouquetQuery(this, source, q);
549 query = new eDVBDBQuery(this, source, q);
553 DEFINE_REF(eDVBDBQueryBase);
555 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
556 :m_db(db), m_query(query), m_source(source)
560 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
562 ePtr<eDVBService> a_service, b_service;
564 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
566 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
568 if (m_db->getService(a, a_service))
570 if (m_db->getService(b, b_service))
576 case eDVBChannelQuery::tName:
577 return a_service->m_service_name_sort < b_service->m_service_name_sort;
578 case eDVBChannelQuery::tProvider:
579 return a_service->m_provider_name < b_service->m_provider_name;
580 case eDVBChannelQuery::tType:
581 return a.getServiceType() < b.getServiceType();
582 case eDVBChannelQuery::tBouquet:
584 case eDVBChannelQuery::tSatellitePosition:
585 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
592 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
593 :eDVBDBQueryBase(db, source, query)
595 m_cursor = m_db->m_services.begin();
598 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
600 while (m_cursor != m_db->m_services.end())
602 ref = m_cursor->first;
604 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
612 ref = eServiceReferenceDVB();
616 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
617 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
621 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
623 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
624 std::list<eServiceReference> &list = bouquet.m_services;
625 while (m_cursor != list.end())
627 ref = *((eServiceReferenceDVB*)&(*m_cursor));
629 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
630 m_db->m_services.find(ref);
632 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
640 ref = eServiceReferenceDVB();
645 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
647 static int decodeType(const std::string &type)
650 return eDVBChannelQuery::tName;
651 else if (type == "provider")
652 return eDVBChannelQuery::tProvider;
653 else if (type == "type")
654 return eDVBChannelQuery::tType;
655 else if (type == "bouquet")
656 return eDVBChannelQuery::tBouquet;
657 else if (type == "satellitePosition")
658 return eDVBChannelQuery::tSatellitePosition;
659 else if (type == "channelID")
660 return eDVBChannelQuery::tChannelID;
665 /* never, NEVER write a parser in C++! */
666 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
668 std::list<std::string>::const_iterator end_of_exp;
672 while (end_of_exp != end)
673 if (*end_of_exp == ")")
678 if (end_of_exp == end)
680 eDebug("expression parse: end of expression while searching for closing brace");
686 int r = parseExpression(res, begin, end_of_exp);
691 /* we had only one sub expression */
692 if (end_of_exp == end)
694 // eDebug("only one sub expression");
698 /* otherwise we have an operator here.. */
700 ePtr<eDVBChannelQuery> r2 = res;
701 res = new eDVBChannelQuery();
707 if (*end_of_exp == "||")
708 res->m_type = eDVBChannelQuery::tOR;
709 else if (*end_of_exp == "&&")
710 res->m_type = eDVBChannelQuery::tAND;
713 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
720 return parseExpression(res->m_p2, end_of_exp, end);
723 // "begin" <op> "end"
724 std::string type, op, val;
726 res = new eDVBChannelQuery();
744 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
753 eDebug("malformed query: missing stuff");
758 res->m_type = decodeType(type);
760 if (res->m_type == -1)
762 eDebug("malformed query: invalid type %s", type.c_str());
773 eDebug("invalid operator %s", op.c_str());
779 res->m_int = atoi(val.c_str());
780 // res->m_channelid = eDVBChannelID(val);
785 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
787 std::list<std::string> tokens;
789 std::string current_token;
790 std::string bouquet_name;
792 // eDebug("splitting %s....", query.c_str());
794 const char *splitchars="()";
795 int quotemode = 0, lastsplit = 0, lastalnum = 0;
796 while (i <= query.size())
798 int c = (i < query.size()) ? query[i] : ' ';
801 int issplit = !!strchr(splitchars, c);
802 int isaln = isalnum(c);
803 int iswhite = c == ' ';
804 int isquot = c == '\"';
808 iswhite = issplit = 0;
812 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
814 if (current_token.size())
815 tokens.push_back(current_token);
816 current_token.clear();
819 if (!(iswhite || isquot))
823 quotemode = !quotemode;
828 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
830 // printf("%s\n", a->c_str());
833 int sort = eDVBChannelQuery::tName;
834 /* check for "ORDER BY ..." */
836 while (tokens.size() > 2)
838 std::list<std::string>::iterator it = tokens.end();
846 sort = decodeType(*it);
847 tokens.pop_back(); // ...
848 tokens.pop_back(); // BY
849 tokens.pop_back(); // ORDER
853 else if (*it == "FROM")
856 if (*it == "BOUQUET")
860 tokens.pop_back(); // ...
861 tokens.pop_back(); // FROM
862 tokens.pop_back(); // BOUQUET
871 eWarning("ORDER BY .. string invalid.");
876 // eDebug("sort by %d", sort);
878 /* now we recursivly parse that. */
879 int r = parseExpression(res, tokens.begin(), tokens.end());
884 res->m_bouquet_name = bouquet_name;
887 // eDebug("return: %d", r);
891 DEFINE_REF(eDVBChannelQuery);