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 <lib/dvb_si/sdt.h>
7 #include <lib/dvb_si/descriptor_tag.h>
8 #include <lib/dvb_si/service_descriptor.h>
9 #include <lib/dvb_si/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_provider_name = s.m_provider_name;
31 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
33 name = convertDVBUTF8(m_service_name);
37 int eDVBService::getLength(const eServiceReference &ref)
42 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
47 case eDVBChannelQuery::tName:
48 res = m_service_name.find(query.m_string) != std::string::npos;
50 case eDVBChannelQuery::tProvider:
51 res = m_provider_name.find(query.m_string) != std::string::npos;
53 case eDVBChannelQuery::tType:
54 res = ref.getServiceType() == query.m_int;
56 case eDVBChannelQuery::tBouquet:
59 case eDVBChannelQuery::tSatellitePosition:
60 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
62 case eDVBChannelQuery::tChannelID:
65 ref.getChannelID(chid);
66 res = chid == query.m_channelid;
69 case eDVBChannelQuery::tAND:
70 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
72 case eDVBChannelQuery::tOR:
73 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
83 int eDVBService::getCachePID(cacheID id)
85 std::map<int, int>::iterator it = m_cache.find(id);
86 if ( it != m_cache.end() )
91 void eDVBService::setCachePID(cacheID id, int pid)
100 eDebug("---- opening lame channel db");
101 FILE *f=fopen("lamedb", "rt");
105 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
107 eDebug("not a servicefile");
111 eDebug("reading services");
112 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
114 eDebug("services invalid, no transponders");
119 // clear all transponders
123 if (!fgets(line, 256, f))
125 if (!strcmp(line, "end\n"))
127 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
128 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
129 if (original_network_id == -1)
131 eDVBChannelID channelid = eDVBChannelID(
132 eDVBNamespace(dvb_namespace),
133 eTransportStreamID(transport_stream_id),
134 eOriginalNetworkID(original_network_id));
136 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
140 if (!strcmp(line, "/\n"))
144 eDVBFrontendParametersSatellite sat;
145 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
146 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &inversion, &orbital_position);
147 sat.frequency = frequency;
148 sat.symbol_rate = symbol_rate;
149 sat.polarisation = polarisation;
151 sat.orbital_position = orbital_position;
152 sat.inversion = inversion;
154 // t.setSatellite(frequency, symbol_rate, polarisation, fec, sat, inversion);
155 feparm->setDVBS(sat);
159 int frequency, symbol_rate, inversion=0, modulation=3;
160 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
161 // t.setCable(frequency, symbol_rate, inversion, modulation);
164 addChannelToList(channelid, feparm);
167 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
169 eDebug("services invalid, no services");
173 // clear all services
179 if (!fgets(line, 256, f))
181 if (!strcmp(line, "end\n"))
184 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
185 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
186 if (service_number == -1)
188 ePtr<eDVBService> s = new eDVBService;
189 eServiceReferenceDVB ref =
190 eServiceReferenceDVB(
191 eDVBNamespace(dvb_namespace),
192 eTransportStreamID(transport_stream_id),
193 eOriginalNetworkID(original_network_id),
194 eServiceID(service_id),
199 line[strlen(line)-1]=0;
200 s->m_service_name=line;
203 line[strlen(line)-1]=0;
205 std::string str=line;
207 if (str[1]!=':') // old ... (only service_provider)
209 s->m_provider_name=line;
211 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
213 unsigned int c=str.find(',');
216 if (c == std::string::npos)
222 v=str.substr(2, c-2);
225 // eDebug("%c ... %s", p, v.c_str());
227 s->m_provider_name=v;
230 sscanf(v.c_str(), "%x", &s->m_flags);
234 sscanf(v.c_str(), "%02d%04x", &cid, &val);
239 sscanf(v.c_str(), "%04x", &val);
246 eDebug("loaded %d services", count);
253 eDebug("---- saving lame channel db");
254 FILE *f=fopen("lamedb", "wt");
255 int channels=0, services=0;
257 eFatal("couldn't save lame channel db!");
258 fprintf(f, "eDVB services /3/\n");
259 fprintf(f, "transponders\n");
260 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
261 i != m_channels.end(); ++i)
263 const eDVBChannelID &chid = i->first;
264 const channel &ch = i->second;
266 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
267 chid.transport_stream_id.get(), chid.original_network_id.get());
268 eDVBFrontendParametersSatellite sat;
269 if (!ch.m_frontendParameters->getDVBS(sat))
271 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
272 sat.frequency, sat.symbol_rate,
273 sat.polarisation, sat.fec, sat.inversion,
274 sat.orbital_position);
279 fprintf(f, "end\nservices\n");
281 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
282 i != m_services.end(); ++i)
284 const eServiceReferenceDVB &s = i->first;
285 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
286 s.getServiceID().get(), s.getDVBNamespace().get(),
287 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
291 fprintf(f, "%s\n", i->second->m_service_name.c_str());
292 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
295 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
296 ca != i->second->m_cache.end(); ++ca)
297 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
299 // write cached ca pids
300 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
301 ca != i->second->m_ca.end(); ++ca)
302 fprintf(f, ",C:%04x", *ca);
307 fprintf(f, "end\nHave a lot of bugs!\n");
308 eDebug("saved %d channels and %d services!", channels, services);
322 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
326 ch.m_frontendParameters = feparm;
327 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
331 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
333 m_channels.erase(id);
337 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
339 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
340 if (i == m_channels.end())
345 parm = i->second.m_frontendParameters;
349 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
351 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
355 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
357 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
358 i = m_services.find(reference);
359 if (i == m_services.end())
368 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q)
370 query = new eDVBDBQuery(this, eServiceReference(), q);
374 DEFINE_REF(eDVBDBQuery);
376 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query): m_db(db), m_query(query)
378 // TODO: use SOURCE ...
379 m_cursor = m_db->m_services.begin();
382 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
384 while (m_cursor != m_db->m_services.end())
386 ref = m_cursor->first;
388 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
398 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[AND (..)] */
400 /* never, NEVER write a parser in C++! */
401 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
403 std::list<std::string>::const_iterator end_of_exp;
407 while (end_of_exp != end)
408 if (*end_of_exp == ")")
413 if (end_of_exp == end)
415 eDebug("expression parse: end of expression while searching for closing brace");
421 int r = parseExpression(res, begin, end_of_exp);
426 /* we had only one sub expression */
427 if (end_of_exp == end)
430 /* otherwise we have an operator here.. */
432 ePtr<eDVBChannelQuery> r2 = res;
433 res = new eDVBChannelQuery();
438 if (*end_of_exp == "||")
439 res->m_type = eDVBChannelQuery::tOR;
440 else if (*end_of_exp == "&&")
441 res->m_type = eDVBChannelQuery::tAND;
444 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
451 return parseExpression(res->m_p2, end_of_exp, end);
454 // "begin" <op> "end"
455 std::string type, op, val;
457 res = new eDVBChannelQuery();
474 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
483 eDebug("malformed query: missing stuff");
489 res->m_type = eDVBChannelQuery::tName;
490 else if (type == "provider")
491 res->m_type = eDVBChannelQuery::tProvider;
492 else if (type == "type")
493 res->m_type = eDVBChannelQuery::tType;
494 else if (type == "bouquet")
495 res->m_type = eDVBChannelQuery::tBouquet;
496 else if (type == "satellitePosition")
497 res->m_type = eDVBChannelQuery::tSatellitePosition;
498 else if (type == "channelID")
499 res->m_type = eDVBChannelQuery::tChannelID;
502 eDebug("malformed query: invalid type %s", type.c_str());
507 eDebug("type is %d, nice!", res->m_type);
515 eDebug("invalid operator %s", op.c_str());
521 res->m_int = atoi(val.c_str());
522 // res->m_channelid = eDVBChannelID(val);
527 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
529 std::list<std::string> tokens;
531 std::string current_token;
533 // eDebug("splitting %s....", query.c_str());
535 const char *splitchars="()";
536 int quotemode = 0, lastsplit = 0, lastalnum = 0;
537 while (i <= query.size())
539 int c = (i < query.size()) ? query[i] : ' ';
542 int issplit = !!strchr(splitchars, c);
543 int isaln = isalnum(c);
544 int iswhite = c == ' ';
545 int isquot = c == '\"';
549 iswhite = issplit = 0;
553 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
555 if (current_token.size())
556 tokens.push_back(current_token);
557 current_token.clear();
560 if (!(iswhite || isquot))
564 quotemode = !quotemode;
569 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
571 // printf("%s\n", a->c_str());
574 /* now we recursivly parse that. */
575 return parseExpression(res, tokens.begin(), tokens.end());
577 res = new eDVBChannelQuery();
578 res->m_type = eDVBChannelQuery::tName;
580 res->m_string = query;
584 DEFINE_REF(eDVBChannelQuery);