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 eDVBService::eDVBService()
58 eDVBService::~eDVBService()
62 eDVBService &eDVBService::operator=(const eDVBService &s)
64 m_service_name = s.m_service_name;
65 m_service_name_sort = s.m_service_name_sort;
66 m_provider_name = s.m_provider_name;
73 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
75 if (!ref.name.empty())
77 else if (!m_service_name.empty())
78 name = m_service_name;
84 int eDVBService::getLength(const eServiceReference &ref)
89 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
94 case eDVBChannelQuery::tName:
95 res = m_service_name_sort.find(query.m_string) != std::string::npos;
97 case eDVBChannelQuery::tProvider:
98 res = m_provider_name.find(query.m_string) != std::string::npos;
100 case eDVBChannelQuery::tType:
101 res = ref.getServiceType() == query.m_int;
103 case eDVBChannelQuery::tBouquet:
106 case eDVBChannelQuery::tSatellitePosition:
107 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
109 case eDVBChannelQuery::tChannelID:
112 ref.getChannelID(chid);
113 res = chid == query.m_channelid;
116 case eDVBChannelQuery::tAND:
117 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
119 case eDVBChannelQuery::tOR:
120 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
130 int eDVBService::getCachePID(cacheID id)
132 std::map<int, int>::iterator it = m_cache.find(id);
133 if ( it != m_cache.end() )
138 void eDVBService::setCachePID(cacheID id, int pid)
145 /* THIS CODE IS BAD. it should be replaced by somethine better. */
148 eDebug("---- opening lame channel db");
149 FILE *f=fopen("lamedb", "rt");
153 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
155 eDebug("not a servicefile");
159 eDebug("reading services");
160 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
162 eDebug("services invalid, no transponders");
167 // clear all transponders
171 if (!fgets(line, 256, f))
173 if (!strcmp(line, "end\n"))
175 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
176 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
177 if (original_network_id == -1)
179 eDVBChannelID channelid = eDVBChannelID(
180 eDVBNamespace(dvb_namespace),
181 eTransportStreamID(transport_stream_id),
182 eOriginalNetworkID(original_network_id));
184 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
188 if (!strcmp(line, "/\n"))
192 eDVBFrontendParametersSatellite sat;
193 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
194 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
195 sat.frequency = frequency;
196 sat.symbol_rate = symbol_rate;
197 sat.polarisation = polarisation;
199 sat.orbital_position = orbital_position;
200 sat.inversion = inversion;
201 feparm->setDVBS(sat);
202 } else if (line[1]=='t')
204 eDVBFrontendParametersTerrestrial ter;
205 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
206 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);
207 ter.frequency = frequency;
208 ter.bandwidth = bandwidth;
209 ter.code_rate_HP = code_rate_HP;
210 ter.code_rate_LP = code_rate_LP;
211 ter.modulation = modulation;
212 ter.transmission_mode = transmission_mode;
213 ter.guard_interval = guard_interval;
214 ter.hierarchy = hierarchy;
215 ter.inversion = inversion;
217 feparm->setDVBT(ter);
218 } else if (line[1]=='c')
220 int frequency, symbol_rate, inversion=0, modulation=3;
221 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
222 // t.setCable(frequency, symbol_rate, inversion, modulation);
225 addChannelToList(channelid, feparm);
228 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
230 eDebug("services invalid, no services");
234 // clear all services
240 if (!fgets(line, 256, f))
242 if (!strcmp(line, "end\n"))
245 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
246 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
247 if (service_number == -1)
249 ePtr<eDVBService> s = new eDVBService;
250 eServiceReferenceDVB ref =
251 eServiceReferenceDVB(
252 eDVBNamespace(dvb_namespace),
253 eTransportStreamID(transport_stream_id),
254 eOriginalNetworkID(original_network_id),
255 eServiceID(service_id),
260 line[strlen(line)-1]=0;
262 s->m_service_name = line;
263 s->m_service_name_sort = removeDVBChars(line);
264 makeUpper(s->m_service_name_sort);
265 while ((!s->m_service_name_sort.empty()) && s->m_service_name_sort[0] == ' ')
266 s->m_service_name_sort.erase(0, 1);
268 /* put unnamed services at the end, not at the beginning. */
269 if (s->m_service_name_sort.empty())
270 s->m_service_name_sort = "\xFF";
274 line[strlen(line)-1]=0;
276 std::string str=line;
278 if (str[1]!=':') // old ... (only service_provider)
280 s->m_provider_name=line;
282 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
284 unsigned int c=str.find(',');
287 if (c == std::string::npos)
293 v=str.substr(2, c-2);
296 // eDebug("%c ... %s", p, v.c_str());
298 s->m_provider_name=v;
301 sscanf(v.c_str(), "%x", &s->m_flags);
305 sscanf(v.c_str(), "%02d%04x", &cid, &val);
310 sscanf(v.c_str(), "%04x", &val);
317 eDebug("loaded %d services", count);
324 eDebug("---- saving lame channel db");
325 FILE *f=fopen("lamedb", "wt");
326 int channels=0, services=0;
328 eFatal("couldn't save lame channel db!");
329 fprintf(f, "eDVB services /3/\n");
330 fprintf(f, "transponders\n");
331 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
332 i != m_channels.end(); ++i)
334 const eDVBChannelID &chid = i->first;
335 const channel &ch = i->second;
337 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
338 chid.transport_stream_id.get(), chid.original_network_id.get());
339 eDVBFrontendParametersSatellite sat;
340 eDVBFrontendParametersTerrestrial ter;
341 if (!ch.m_frontendParameters->getDVBS(sat))
343 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
344 sat.frequency, sat.symbol_rate,
345 sat.polarisation, sat.fec, sat.orbital_position,
348 if (!ch.m_frontendParameters->getDVBT(ter))
350 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
351 ter.frequency, ter.bandwidth, ter.code_rate_HP,
352 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
353 ter.guard_interval, ter.hierarchy, ter.inversion);
358 fprintf(f, "end\nservices\n");
360 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
361 i != m_services.end(); ++i)
363 const eServiceReferenceDVB &s = i->first;
364 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
365 s.getServiceID().get(), s.getDVBNamespace().get(),
366 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
370 fprintf(f, "%s\n", i->second->m_service_name.c_str());
371 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
374 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
375 ca != i->second->m_cache.end(); ++ca)
376 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
378 // write cached ca pids
379 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
380 ca != i->second->m_ca.end(); ++ca)
381 fprintf(f, ",C:%04x", *ca);
386 fprintf(f, "end\nHave a lot of bugs!\n");
387 eDebug("saved %d channels and %d services!", channels, services);
391 RESULT eBouquet::flushChanges()
393 FILE *f=fopen(m_path.c_str(), "wt");
396 if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
398 for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
400 eServiceReference tmp = *i;
401 std::string str = tmp.path;
402 if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
404 unsigned int p1 = str.find("FROM BOUQUET \"");
405 if (p1 == std::string::npos)
407 eDebug("doof... kaputt");
412 if (p1 == std::string::npos)
414 eDebug("doof2... kaputt");
420 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
422 if ( i->name.length() )
423 if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
430 eDebug("couldn't write file %s", m_path.c_str());
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.");
464 bool read_descr=false;
465 eServiceReference *e = NULL;
468 if (!fgets(line, 256, fp))
470 line[strlen(line)-1]=0;
471 if (strlen(line) && line[strlen(line)-1]=='\r')
472 line[strlen(line)-1]=0;
477 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
479 int offs = line[8] == ':' ? 10 : 9;
480 eServiceReference tmp(line+offs);
481 if (tmp.type != eServiceReference::idDVB)
483 eDebug("only DVB Bouquets supported");
486 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
488 std::string str = tmp.path;
489 unsigned int pos = str.rfind('/');
490 if ( pos != std::string::npos )
494 eDebug("Bouquet load failed.. no filename given..");
497 loadBouquet(tmp.path.c_str());
499 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], str.c_str());
507 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
512 else if (!strncmp(line, "#NAME ", 6))
513 bouquet.m_bouquet_name=line+6;
518 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
521 void eDVBDB::saveBouquet(const char *path)
526 void eDVBDB::loadBouquets()
528 loadBouquet("bouquets.tv");
529 loadBouquet("bouquets.radio");
532 void eDVBDB::saveBouquets()
548 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
552 ch.m_frontendParameters = feparm;
553 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
557 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
559 m_channels.erase(id);
563 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
565 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
566 if (i == m_channels.end())
571 parm = i->second.m_frontendParameters;
575 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
577 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
581 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
583 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
584 i = m_services.find(reference);
585 if (i == m_services.end())
594 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
596 std::string str = ref.path;
599 eDebug("getBouquet failed.. no path given!");
602 unsigned int pos = str.find("FROM BOUQUET \"");
603 if ( pos != std::string::npos )
605 str.erase(0, pos+14);
607 if ( pos != std::string::npos )
614 eDebug("getBouquet failed.. couldn't parse bouquet name");
617 std::map<std::string, eBouquet>::iterator i =
618 m_bouquets.find(str);
619 if (i == m_bouquets.end())
624 bouquet = &i->second;
628 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
630 if ( q && q->m_bouquet_name.length() )
631 query = new eDVBDBBouquetQuery(this, source, q);
633 query = new eDVBDBQuery(this, source, q);
637 DEFINE_REF(eDVBDBQueryBase);
639 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
640 :m_db(db), m_query(query), m_source(source)
644 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
646 ePtr<eDVBService> a_service, b_service;
648 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
650 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
652 if (m_db->getService(a, a_service))
654 if (m_db->getService(b, b_service))
660 case eDVBChannelQuery::tName:
661 return a_service->m_service_name_sort < b_service->m_service_name_sort;
662 case eDVBChannelQuery::tProvider:
663 return a_service->m_provider_name < b_service->m_provider_name;
664 case eDVBChannelQuery::tType:
665 return a.getServiceType() < b.getServiceType();
666 case eDVBChannelQuery::tBouquet:
668 case eDVBChannelQuery::tSatellitePosition:
669 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
676 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
677 :eDVBDBQueryBase(db, source, query)
679 m_cursor = m_db->m_services.begin();
682 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
684 while (m_cursor != m_db->m_services.end())
686 ref = m_cursor->first;
688 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
696 ref.type = eServiceReference::idInvalid;
701 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
702 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
706 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
708 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
709 std::list<eServiceReference> &list = bouquet.m_services;
710 while (m_cursor != list.end())
712 ref = *((eServiceReferenceDVB*)&(*m_cursor));
714 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
715 m_db->m_services.find(ref);
717 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
725 ref.type = eServiceReference::idInvalid;
730 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
732 static int decodeType(const std::string &type)
735 return eDVBChannelQuery::tName;
736 else if (type == "provider")
737 return eDVBChannelQuery::tProvider;
738 else if (type == "type")
739 return eDVBChannelQuery::tType;
740 else if (type == "bouquet")
741 return eDVBChannelQuery::tBouquet;
742 else if (type == "satellitePosition")
743 return eDVBChannelQuery::tSatellitePosition;
744 else if (type == "channelID")
745 return eDVBChannelQuery::tChannelID;
750 /* never, NEVER write a parser in C++! */
751 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
753 std::list<std::string>::const_iterator end_of_exp;
757 while (end_of_exp != end)
758 if (*end_of_exp == ")")
763 if (end_of_exp == end)
765 eDebug("expression parse: end of expression while searching for closing brace");
771 int r = parseExpression(res, begin, end_of_exp);
776 /* we had only one sub expression */
777 if (end_of_exp == end)
779 // eDebug("only one sub expression");
783 /* otherwise we have an operator here.. */
785 ePtr<eDVBChannelQuery> r2 = res;
786 res = new eDVBChannelQuery();
792 if (*end_of_exp == "||")
793 res->m_type = eDVBChannelQuery::tOR;
794 else if (*end_of_exp == "&&")
795 res->m_type = eDVBChannelQuery::tAND;
798 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
805 return parseExpression(res->m_p2, end_of_exp, end);
808 // "begin" <op> "end"
809 std::string type, op, val;
811 res = new eDVBChannelQuery();
829 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
838 eDebug("malformed query: missing stuff");
843 res->m_type = decodeType(type);
845 if (res->m_type == -1)
847 eDebug("malformed query: invalid type %s", type.c_str());
858 eDebug("invalid operator %s", op.c_str());
864 res->m_int = atoi(val.c_str());
865 // res->m_channelid = eDVBChannelID(val);
870 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
872 std::list<std::string> tokens;
874 std::string current_token;
875 std::string bouquet_name;
877 // eDebug("splitting %s....", query.c_str());
879 const char *splitchars="()";
880 int quotemode = 0, lastsplit = 0, lastalnum = 0;
881 while (i <= query.size())
883 int c = (i < query.size()) ? query[i] : ' ';
886 int issplit = !!strchr(splitchars, c);
887 int isaln = isalnum(c);
888 int iswhite = c == ' ';
889 int isquot = c == '\"';
893 iswhite = issplit = 0;
897 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
899 if (current_token.size())
900 tokens.push_back(current_token);
901 current_token.clear();
904 if (!(iswhite || isquot))
908 quotemode = !quotemode;
913 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
915 // printf("%s\n", a->c_str());
918 int sort = eDVBChannelQuery::tName;
919 /* check for "ORDER BY ..." */
921 while (tokens.size() > 2)
923 std::list<std::string>::iterator it = tokens.end();
931 sort = decodeType(*it);
932 tokens.pop_back(); // ...
933 tokens.pop_back(); // BY
934 tokens.pop_back(); // ORDER
938 else if (*it == "FROM")
941 if (*it == "BOUQUET")
945 tokens.pop_back(); // ...
946 tokens.pop_back(); // FROM
947 tokens.pop_back(); // BOUQUET
956 eWarning("ORDER BY .. string invalid.");
961 // eDebug("sort by %d", sort);
963 /* now we recursivly parse that. */
964 int r = parseExpression(res, tokens.begin(), tokens.end());
969 res->m_bouquet_name = bouquet_name;
972 // eDebug("return: %d", r);
976 DEFINE_REF(eDVBChannelQuery);