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);
254 eDebug("---- saving lame channel db");
255 FILE *f=fopen("lamedb", "wt");
256 int channels=0, services=0;
258 eFatal("couldn't save lame channel db!");
259 fprintf(f, "eDVB services /3/\n");
260 fprintf(f, "transponders\n");
261 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
262 i != m_channels.end(); ++i)
264 const eDVBChannelID &chid = i->first;
265 const channel &ch = i->second;
267 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
268 chid.transport_stream_id.get(), chid.original_network_id.get());
269 eDVBFrontendParametersSatellite sat;
270 if (!ch.m_frontendParameters->getDVBS(sat))
272 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
273 sat.frequency, sat.symbol_rate,
274 sat.polarisation, sat.fec, sat.inversion,
275 sat.orbital_position);
280 fprintf(f, "end\nservices\n");
282 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
283 i != m_services.end(); ++i)
285 const eServiceReferenceDVB &s = i->first;
286 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
287 s.getServiceID().get(), s.getDVBNamespace().get(),
288 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
292 fprintf(f, "%s\n", i->second->m_service_name.c_str());
293 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
294 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
295 ca != i->second->m_ca.end(); ++ca)
296 fprintf(f, ",C:%04x", *ca);
300 fprintf(f, "end\nHave a lot of bugs!\n");
301 eDebug("saved %d channels and %d services!", channels, services);
305 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
309 ch.m_frontendParameters = feparm;
310 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
314 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
316 m_channels.erase(id);
320 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
322 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
323 if (i == m_channels.end())
328 parm = i->second.m_frontendParameters;
332 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
334 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
338 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
340 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
341 i = m_services.find(reference);
342 if (i == m_services.end())
351 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q)
353 query = new eDVBDBQuery(this, eServiceReference(), q);
357 DEFINE_REF(eDVBDBQuery);
359 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query): m_db(db), m_query(query)
361 // TODO: use SOURCE ...
362 m_cursor = m_db->m_services.begin();
365 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
367 while (m_cursor != m_db->m_services.end())
369 ref = m_cursor->first;
371 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
381 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[AND (..)] */
383 /* never, NEVER write a parser in C++! */
384 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
386 std::list<std::string>::const_iterator end_of_exp;
390 while (end_of_exp != end)
391 if (*end_of_exp == ")")
396 if (end_of_exp == end)
398 eDebug("expression parse: end of expression while searching for closing brace");
404 int r = parseExpression(res, begin, end_of_exp);
409 /* we had only one sub expression */
410 if (end_of_exp == end)
413 /* otherwise we have an operator here.. */
415 ePtr<eDVBChannelQuery> r2 = res;
416 res = new eDVBChannelQuery();
421 if (*end_of_exp == "||")
422 res->m_type = eDVBChannelQuery::tOR;
423 else if (*end_of_exp == "&&")
424 res->m_type = eDVBChannelQuery::tAND;
427 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
434 return parseExpression(res->m_p2, end_of_exp, end);
437 // "begin" <op> "end"
438 std::string type, op, val;
440 res = new eDVBChannelQuery();
457 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
466 eDebug("malformed query: missing stuff");
472 res->m_type = eDVBChannelQuery::tName;
473 else if (type == "provider")
474 res->m_type = eDVBChannelQuery::tProvider;
475 else if (type == "type")
476 res->m_type = eDVBChannelQuery::tType;
477 else if (type == "bouquet")
478 res->m_type = eDVBChannelQuery::tBouquet;
479 else if (type == "satellitePosition")
480 res->m_type = eDVBChannelQuery::tSatellitePosition;
481 else if (type == "channelID")
482 res->m_type = eDVBChannelQuery::tChannelID;
485 eDebug("malformed query: invalid type %s", type.c_str());
490 eDebug("type is %d, nice!", res->m_type);
498 eDebug("invalid operator %s", op.c_str());
504 res->m_int = atoi(val.c_str());
505 // res->m_channelid = eDVBChannelID(val);
510 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
512 std::list<std::string> tokens;
514 std::string current_token;
516 // eDebug("splitting %s....", query.c_str());
518 const char *splitchars="()";
519 int quotemode = 0, lastsplit = 0, lastalnum = 0;
520 while (i <= query.size())
522 int c = (i < query.size()) ? query[i] : ' ';
525 int issplit = !!strchr(splitchars, c);
526 int isaln = isalnum(c);
527 int iswhite = c == ' ';
528 int isquot = c == '\"';
532 iswhite = issplit = 0;
536 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
538 if (current_token.size())
539 tokens.push_back(current_token);
540 current_token.clear();
543 if (!(iswhite || isquot))
547 quotemode = !quotemode;
552 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
554 // printf("%s\n", a->c_str());
557 /* now we recursivly parse that. */
558 return parseExpression(res, tokens.begin(), tokens.end());
560 res = new eDVBChannelQuery();
561 res->m_type = eDVBChannelQuery::tName;
563 res->m_string = query;
567 DEFINE_REF(eDVBChannelQuery);