lib/dvb/db.cpp

   1 #include <errno.h>
   2 #include <lib/dvb/db.h>
   3 #include <lib/dvb/dvb.h>
   4 #include <lib/dvb/frontend.h>
   5 #include <lib/dvb/epgcache.h>
   6 #include <lib/base/eerror.h>
   7 #include <lib/base/estring.h>
   8 #include <dvbsi++/service_description_section.h>
   9 #include <dvbsi++/descriptor_tag.h>
  10 #include <dvbsi++/service_descriptor.h>
  11 #include <dvbsi++/satellite_delivery_system_descriptor.h>
  12
  13 DEFINE_REF(eDVBService);
  14
  15 RESULT eBouquet::addService(const eServiceReference &ref)
  16 {
  17         list::iterator it =
  18                 std::find(m_services.begin(), m_services.end(), ref);
  19         if ( it != m_services.end() )
  20                 return -1;
  21         m_services.push_back(ref);
  22         return 0;
  23 }
  24
  25 RESULT eBouquet::removeService(const eServiceReference &ref)
  26 {
  27         list::iterator it =
  28                 std::find(m_services.begin(), m_services.end(), ref);
  29         if ( it == m_services.end() )
  30                 return -1;
  31         m_services.erase(it);
  32         return 0;
  33 }
  34
  35 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
  36 {
  37         if ( pos < 0 || pos >= m_services.size() )
  38                 return -1;
  39         ++pos;
  40         list::iterator source=m_services.end();
  41         list::iterator dest=m_services.end();
  42         bool forward = false;
  43         for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
  44         {
  45                 if (dest == m_services.end() && !--pos)
  46                         dest = it;
  47                 if (*it == ref)
  48                 {
  49                         source = it;
  50                         forward = pos>0;
  51                 }
  52                 if (dest != m_services.end() && source != m_services.end())
  53                         break;
  54         }
  55         if (dest == m_services.end() || source == m_services.end() || source == dest)
  56                 return -1;
  57         while (source != dest)
  58         {
  59                 if (forward)
  60                         std::iter_swap(source++, source);
  61                 else
  62                         std::iter_swap(source--, source);
  63         }
  64         return 0;
  65 }
  66
  67 RESULT eBouquet::flushChanges()
  68 {
  69         FILE *f=fopen((CONFIGDIR"/enigma2/"+m_filename).c_str(), "w");
  70         if (!f)
  71                 return -1;
  72         if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
  73                 goto err;
  74         for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
  75         {
  76                 eServiceReference tmp = *i;
  77                 std::string str = tmp.path;
  78                 if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
  79                 {
  80                         unsigned int p1 = str.find("FROM BOUQUET \"");
  81                         if (p1 == std::string::npos)
  82                         {
  83                                 eDebug("doof... kaputt");
  84                                 continue;
  85                         }
  86                         str.erase(0, p1+14);
  87                         p1 = str.find("\"");
  88                         if (p1 == std::string::npos)
  89                         {
  90                                 eDebug("doof2... kaputt");
  91                                 continue;
  92                         }
  93                         str.erase(p1);
  94                         tmp.path=str;
  95                 }
  96                 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
  97                         goto err;
  98                 if ( i->name.length() )
  99                         if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
 100                                 goto err;
 101         }
 102         fclose(f);
 103         return 0;
 104 err:
 105         fclose(f);
 106         eDebug("couldn't write file %s", m_filename.c_str());
 107         return -1;
 108 }
 109
 110 RESULT eBouquet::setListName(const std::string &name)
 111 {
 112         m_bouquet_name = name;
 113         return 0;
 114 }
 115
 116 eDVBService::eDVBService()
 117         :m_flags(0)
 118 {
 119 }
 120
 121 eDVBService::~eDVBService()
 122 {
 123 }
 124
 125 eDVBService &eDVBService::operator=(const eDVBService &s)
 126 {
 127         m_service_name = s.m_service_name;
 128         m_service_name_sort = s.m_service_name_sort;
 129         m_provider_name = s.m_provider_name;
 130         m_flags = s.m_flags;
 131         m_ca = s.m_ca;
 132         m_cache = s.m_cache;
 133         return *this;
 134 }
 135
 136 void eDVBService::genSortName()
 137 {
 138         m_service_name_sort = removeDVBChars(m_service_name);
 139         makeUpper(m_service_name_sort);
 140         while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
 141                 m_service_name_sort.erase(0, 1);
 142
 143                 /* put unnamed services at the end, not at the beginning. */
 144         if (m_service_name_sort.empty())
 145                 m_service_name_sort = "\xFF";
 146 }
 147
 148 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
 149 {
 150         if (!ref.name.empty())
 151                 name = ref.name; // use renamed service name..
 152         else if (!m_service_name.empty())
 153                 name = m_service_name;
 154         else
 155                 name = "(...)";
 156         return 0;
 157 }
 158
 159 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
 160 {
 161         return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
 162 }
 163
 164 bool eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
 165 {
 166         ePtr<eDVBResourceManager> res_mgr;
 167         if ( eDVBResourceManager::getInstance( res_mgr ) )
 168                 eDebug("isPlayble... no res manager!!");
 169         else
 170         {
 171                 eDVBChannelID chid, chid_ignore;
 172                 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
 173                 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
 174                 return res_mgr->canAllocateChannel(chid, chid_ignore);
 175         }
 176         return false;
 177 }
 178
 179 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
 180 {
 181         int res = 0;
 182         switch (query.m_type)
 183         {
 184         case eDVBChannelQuery::tName:
 185                 res = m_service_name_sort.find(query.m_string) != std::string::npos;
 186                 break;
 187         case eDVBChannelQuery::tProvider:
 188                 res = m_provider_name.find(query.m_string) != std::string::npos;
 189                 break;
 190         case eDVBChannelQuery::tType:
 191                 res = ref.getServiceType() == query.m_int;
 192                 break;
 193         case eDVBChannelQuery::tBouquet:
 194                 res = 0;
 195                 break;
 196         case eDVBChannelQuery::tSatellitePosition:
 197                 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
 198                 break;
 199         case eDVBChannelQuery::tChannelID:
 200         {
 201                 eDVBChannelID chid;
 202                 ref.getChannelID(chid);
 203                 res = chid == query.m_channelid;
 204                 break;
 205         }
 206         case eDVBChannelQuery::tAND:
 207                 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
 208                 break;
 209         case eDVBChannelQuery::tOR:
 210                 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
 211                 break;
 212         }
 213
 214         if (query.m_inverse)
 215                 return !res;
 216         else
 217                 return res;
 218 }
 219
 220 int eDVBService::getCachePID(cacheID id)
 221 {
 222         std::map<int, int>::iterator it = m_cache.find(id);
 223         if ( it != m_cache.end() )
 224                 return it->second;
 225         return -1;
 226 }
 227
 228 void eDVBService::setCachePID(cacheID id, int pid)
 229 {
 230         if (pid == -1)
 231                 m_cache.erase(id);
 232         else
 233                 m_cache[id] = pid;
 234 }
 235
 236 DEFINE_REF(eDVBDB);
 237
 238         /* THIS CODE IS BAD. it should be replaced by somethine better. */
 239 void eDVBDB::reloadServicelist()
 240 {
 241         eDebug("---- opening lame channel db");
 242         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
 243         if (!f)
 244         {
 245                 struct stat s;
 246                 if ( !stat("lamedb", &s) )
 247                 {
 248                         if ( !stat(CONFIGDIR"/enigma2", &s) )
 249                         {
 250                                 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
 251                                 reloadServicelist();
 252                         }
 253                 }
 254                 return;
 255         }
 256         char line[256];
 257         if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
 258         {
 259                 eDebug("not a servicefile");
 260                 fclose(f);
 261                 return;
 262         }
 263         eDebug("reading services");
 264         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
 265         {
 266                 eDebug("services invalid, no transponders");
 267                 fclose(f);
 268                 return;
 269         }
 270
 271         // clear all transponders
 272
 273         while (!feof(f))
 274         {
 275                 if (!fgets(line, 256, f))
 276                         break;
 277                 if (!strcmp(line, "end\n"))
 278                         break;
 279                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
 280                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
 281                 if (original_network_id == -1)
 282                         continue;
 283                 eDVBChannelID channelid = eDVBChannelID(
 284                         eDVBNamespace(dvb_namespace),
 285                         eTransportStreamID(transport_stream_id),
 286                         eOriginalNetworkID(original_network_id));
 287
 288                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
 289                 while (!feof(f))
 290                 {
 291                         fgets(line, 256, f);
 292                         if (!strcmp(line, "/\n"))
 293                                 break;
 294                         if (line[1]=='s')
 295                         {
 296                                 eDVBFrontendParametersSatellite sat;
 297                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
 298                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
 299                                 sat.frequency = frequency;
 300                                 sat.symbol_rate = symbol_rate;
 301                                 sat.polarisation = polarisation;
 302                                 sat.fec = fec;
 303                                 sat.orbital_position =
 304                                         orbital_position < 0 ? orbital_position + 3600 : orbital_position;
 305                                 sat.inversion = inversion;
 306                                 feparm->setDVBS(sat);
 307                         } else if (line[1]=='t')
 308                         {
 309                                 eDVBFrontendParametersTerrestrial ter;
 310                                 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
 311                                 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);
 312                                 ter.frequency = frequency;
 313                                 ter.bandwidth = bandwidth;
 314                                 ter.code_rate_HP = code_rate_HP;
 315                                 ter.code_rate_LP = code_rate_LP;
 316                                 ter.modulation = modulation;
 317                                 ter.transmission_mode = transmission_mode;
 318                                 ter.guard_interval = guard_interval;
 319                                 ter.hierarchy = hierarchy;
 320                                 ter.inversion = inversion;
 321                                 feparm->setDVBT(ter);
 322                         } else if (line[1]=='c')
 323                         {
 324                                 eDVBFrontendParametersCable cab;
 325                                 int frequency, symbol_rate,
 326                                         inversion=eDVBFrontendParametersCable::Inversion::Unknown,
 327                                         modulation=eDVBFrontendParametersCable::Modulation::Auto,
 328                                         fec_inner=eDVBFrontendParametersCable::FEC::fAuto;
 329                                 sscanf(line+2, "%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner);
 330                                 cab.frequency = frequency;
 331                                 cab.fec_inner = fec_inner;
 332                                 cab.inversion = inversion;
 333                                 cab.symbol_rate = symbol_rate;
 334                                 cab.modulation = modulation;
 335                                 feparm->setDVBC(cab);
 336                         }
 337                 }
 338                 addChannelToList(channelid, feparm);
 339         }
 340
 341         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 342         {
 343                 eDebug("services invalid, no services");
 344                 return;
 345         }
 346
 347         // clear all services
 348
 349         int count=0;
 350
 351         while (!feof(f))
 352         {
 353                 if (!fgets(line, 256, f))
 354                         break;
 355                 if (!strcmp(line, "end\n"))
 356                         break;
 357
 358                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 359                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 360                 if (service_number == -1)
 361                         continue;
 362                 ePtr<eDVBService> s = new eDVBService;
 363                 eServiceReferenceDVB ref =
 364                                                 eServiceReferenceDVB(
 365                                                 eDVBNamespace(dvb_namespace),
 366                                                 eTransportStreamID(transport_stream_id),
 367                                                 eOriginalNetworkID(original_network_id),
 368                                                 eServiceID(service_id),
 369                                                 service_type);
 370                 count++;
 371                 fgets(line, 256, f);
 372                 if (strlen(line))
 373                         line[strlen(line)-1]=0;
 374
 375                 s->m_service_name = line;
 376                 s->genSortName();
 377
 378                 fgets(line, 256, f);
 379                 if (strlen(line))
 380                         line[strlen(line)-1]=0;
 381                 std::string str=line;
 382
 383                 if (str[1]!=':')        // old ... (only service_provider)
 384                 {
 385                         s->m_provider_name=line;
 386                 } else
 387                         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 388                         {
 389                                 unsigned int c=str.find(',');
 390                                 char p=str[0];
 391                                 std::string v;
 392                                 if (c == std::string::npos)
 393                                 {
 394                                         v=str.substr(2);
 395                                         str="";
 396                                 } else
 397                                 {
 398                                         v=str.substr(2, c-2);
 399                                         str=str.substr(c+1);
 400                                 }
 401 //                              eDebug("%c ... %s", p, v.c_str());
 402                                 if (p == 'p')
 403                                         s->m_provider_name=v;
 404                                 else if (p == 'f')
 405                                 {
 406                                         sscanf(v.c_str(), "%x", &s->m_flags);
 407                                 } else if (p == 'c')
 408                                 {
 409                                         int cid, val;
 410                                         sscanf(v.c_str(), "%02d%04x", &cid, &val);
 411                                         s->m_cache[cid]=val;
 412                                 } else if (p == 'C')
 413                                 {
 414                                         int val;
 415                                         sscanf(v.c_str(), "%04x", &val);
 416                                         s->m_ca.insert(val);
 417                                 }
 418                         }
 419                 addService(ref, s);
 420         }
 421
 422         eDebug("loaded %d services", count);
 423
 424         fclose(f);
 425 }
 426
 427 void eDVBDB::saveServicelist()
 428 {
 429         eDebug("---- saving lame channel db");
 430         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
 431         int channels=0, services=0;
 432         if (!f)
 433                 eFatal("couldn't save lame channel db!");
 434         fprintf(f, "eDVB services /3/\n");
 435         fprintf(f, "transponders\n");
 436         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 437                         i != m_channels.end(); ++i)
 438         {
 439                 const eDVBChannelID &chid = i->first;
 440                 const channel &ch = i->second;
 441
 442                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 443                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 444                 eDVBFrontendParametersSatellite sat;
 445                 eDVBFrontendParametersTerrestrial ter;
 446                 eDVBFrontendParametersCable cab;
 447                 if (!ch.m_frontendParameters->getDVBS(sat))
 448                 {
 449                         fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
 450                                 sat.frequency, sat.symbol_rate,
 451                                 sat.polarisation, sat.fec,
 452                                 sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 453                                 sat.inversion);
 454                 }
 455                 if (!ch.m_frontendParameters->getDVBT(ter))
 456                 {
 457                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 458                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 459                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 460                                 ter.guard_interval, ter.hierarchy, ter.inversion);
 461                 }
 462                 if (!ch.m_frontendParameters->getDVBC(cab))
 463                 {
 464                         fprintf(f, "\tc %d:%d:%d:%d:%d\n",
 465                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner);
 466                 }
 467                 fprintf(f, "/\n");
 468                 channels++;
 469         }
 470         fprintf(f, "end\nservices\n");
 471
 472         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 473                 i != m_services.end(); ++i)
 474         {
 475                 const eServiceReferenceDVB &s = i->first;
 476                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 477                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 478                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 479                                 s.getServiceType(),
 480                                 0);
 481
 482                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 483
 484                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 485
 486                 // write cached pids
 487                 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
 488                         ca != i->second->m_cache.end(); ++ca)
 489                         fprintf(f, ",c:%02d%04x", ca->first, ca->second);
 490
 491                 // write cached ca pids
 492                 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
 493                         ca != i->second->m_ca.end(); ++ca)
 494                         fprintf(f, ",C:%04x", *ca);
 495
 496                 if (i->second->m_flags)
 497                         fprintf(f, ",f:%x", i->second->m_flags);
 498
 499                 fprintf(f, "\n");
 500                 services++;
 501         }
 502         fprintf(f, "end\nHave a lot of bugs!\n");
 503         eDebug("saved %d channels and %d services!", channels, services);
 504         fclose(f);
 505 }
 506
 507 void eDVBDB::loadBouquet(const char *path)
 508 {
 509         std::string bouquet_name = path;
 510         if (!bouquet_name.length())
 511         {
 512                 eDebug("Bouquet load failed.. no path given..");
 513                 return;
 514         }
 515         unsigned int pos = bouquet_name.rfind('/');
 516         if ( pos != std::string::npos )
 517                 bouquet_name.erase(0, pos+1);
 518         if (bouquet_name.empty())
 519         {
 520                 eDebug("Bouquet load failed.. no filename given..");
 521                 return;
 522         }
 523         eBouquet &bouquet = m_bouquets[bouquet_name];
 524         bouquet.m_filename = bouquet_name;
 525         std::list<eServiceReference> &list = bouquet.m_services;
 526         list.clear();
 527
 528         std::string p = CONFIGDIR"/enigma2/";
 529         p+=path;
 530         eDebug("loading bouquet... %s", p.c_str());
 531         FILE *fp=fopen(p.c_str(), "rt");
 532         int entries=0;
 533         if (!fp)
 534         {
 535                 struct stat s;
 536                 if ( !stat(path, &s) )
 537                 {
 538                         rename(path, p.c_str() );
 539                         loadBouquet(path);
 540                         return;
 541                 }
 542                 eDebug("failed to open.");
 543                 if ( strstr(path, "bouquets.tv") )
 544                 {
 545                         eDebug("recreate bouquets.tv");
 546                         bouquet.m_bouquet_name="Bouquets (TV)";
 547                         bouquet.flushChanges();
 548                 }
 549                 else if ( strstr(path, "bouquets.radio") )
 550                 {
 551                         eDebug("recreate bouquets.radio");
 552                         bouquet.m_bouquet_name="Bouquets (Radio)";
 553                         bouquet.flushChanges();
 554                 }
 555                 return;
 556         }
 557         char line[256];
 558         bool read_descr=false;
 559         eServiceReference *e = NULL;
 560         while (1)
 561         {
 562                 if (!fgets(line, 256, fp))
 563                         break;
 564                 line[strlen(line)-1]=0;
 565                 if (strlen(line) && line[strlen(line)-1]=='\r')
 566                         line[strlen(line)-1]=0;
 567                 if (!line[0])
 568                         break;
 569                 if (line[0]=='#')
 570                 {
 571                         if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
 572                         {
 573                                 int offs = line[8] == ':' ? 10 : 9;
 574                                 eServiceReference tmp(line+offs);
 575                                 if (tmp.type != eServiceReference::idDVB)
 576                                 {
 577                                         eDebug("only DVB Bouquets supported");
 578                                         continue;
 579                                 }
 580                                 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
 581                                 {
 582                                         unsigned int pos = tmp.path.rfind('/');
 583                                         if ( pos != std::string::npos )
 584                                                 tmp.path.erase(0, pos+1);
 585                                         if (tmp.path.empty())
 586                                         {
 587                                                 eDebug("Bouquet load failed.. no filename given..");
 588                                                 continue;
 589                                         }
 590                                         loadBouquet(tmp.path.c_str());
 591                                         char buf[256];
 592                                         snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
 593                                         tmp.path = buf;
 594                                 }
 595                                 list.push_back(tmp);
 596                                 e = &list.back();
 597                                 read_descr=true;
 598                                 ++entries;
 599                         }
 600                         else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
 601                         {
 602                                 e->name = line+13;
 603                                 read_descr=false;
 604                         }
 605                         else if (!strncmp(line, "#NAME ", 6))
 606                                 bouquet.m_bouquet_name=line+6;
 607                         continue;
 608                 }
 609         }
 610         fclose(fp);
 611         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 612 }
 613
 614 void eDVBDB::reloadBouquets()
 615 {
 616         m_bouquets.clear();
 617         loadBouquet("bouquets.tv");
 618         loadBouquet("bouquets.radio");
 619 // create default bouquets when missing
 620         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 621         {
 622                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 623                 b.m_filename = "userbouquet.favourites.tv";
 624                 b.m_bouquet_name = "Favourites (TV)";
 625                 b.flushChanges();
 626                 eServiceReference ref;
 627                 memset(ref.data, 0, sizeof(ref.data));
 628                 ref.type=1;
 629                 ref.flags=7;
 630                 ref.data[0]=1;
 631                 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 632                 eBouquet &parent = m_bouquets["bouquets.tv"];
 633                 parent.m_services.push_back(ref);
 634                 parent.flushChanges();
 635         }
 636         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 637         {
 638                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 639                 b.m_filename = "userbouquet.favourites.radio";
 640                 b.m_bouquet_name = "Favourites (Radio)";
 641                 b.flushChanges();
 642                 eServiceReference ref;
 643                 memset(ref.data, 0, sizeof(ref.data));
 644                 ref.type=1;
 645                 ref.flags=7;
 646                 ref.data[0]=2;
 647                 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 648                 eBouquet &parent = m_bouquets["bouquets.radio"];
 649                 parent.m_services.push_back(ref);
 650                 parent.flushChanges();
 651         }
 652 }
 653
 654 eDVBDB *eDVBDB::instance;
 655
 656 eDVBDB::eDVBDB()
 657 {
 658         instance = this;
 659         reloadServicelist();
 660 }
 661
 662 eDVBDB::~eDVBDB()
 663 {
 664         instance=NULL;
 665 }
 666
 667 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 668 {
 669         channel ch;
 670         assert(feparm);
 671         ch.m_frontendParameters = feparm;
 672         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 673         return 0;
 674 }
 675
 676 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 677 {
 678         m_channels.erase(id);
 679         return 0;
 680 }
 681
 682 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 683 {
 684         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 685         if (i == m_channels.end())
 686         {
 687                 parm = 0;
 688                 return -ENOENT;
 689         }
 690         parm = i->second.m_frontendParameters;
 691         return 0;
 692 }
 693
 694 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 695 {
 696         m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 697         return 0;
 698 }
 699
 700 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 701 {
 702         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 703         i = m_services.find(reference);
 704         if (i == m_services.end())
 705         {
 706                 service = 0;
 707                 return -ENOENT;
 708         }
 709         service = i->second;
 710         return 0;
 711 }
 712
 713 RESULT eDVBDB::flush()
 714 {
 715         saveServicelist();
 716         return 0;
 717 }
 718
 719 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
 720 {
 721         std::string str = ref.path;
 722         if (str.empty())
 723         {
 724                 eDebug("getBouquet failed.. no path given!");
 725                 return -1;
 726         }
 727         unsigned int pos = str.find("FROM BOUQUET \"");
 728         if ( pos != std::string::npos )
 729         {
 730                 str.erase(0, pos+14);
 731                 pos = str.find('"');
 732                 if ( pos != std::string::npos )
 733                         str.erase(pos);
 734                 else
 735                         str.clear();
 736         }
 737         if (str.empty())
 738         {
 739                 eDebug("getBouquet failed.. couldn't parse bouquet name");
 740                 return -1;
 741         }
 742         std::map<std::string, eBouquet>::iterator i =
 743                 m_bouquets.find(str);
 744         if (i == m_bouquets.end())
 745         {
 746                 bouquet = 0;
 747                 return -ENOENT;
 748         }
 749         bouquet = &i->second;
 750         return 0;
 751 }
 752
 753 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
 754 {
 755         if ( source.path.find("FROM") != std::string::npos )
 756         {
 757                 if ( source.path.find("BOUQUET") != std::string::npos )
 758                         query = new eDVBDBBouquetQuery(this, source, q);
 759                 else if ( source.path.find("SATELLITES") != std::string::npos )
 760                         query = new eDVBDBSatellitesQuery(this, source, q);
 761                 else if ( source.path.find("PROVIDERS") != std::string::npos )
 762                         query = new eDVBDBProvidersQuery(this, source, q);
 763                 else
 764                         eFatal("invalid query %s", source.toString().c_str());
 765         }
 766         else
 767                 query = new eDVBDBQuery(this, source, q);
 768         return 0;
 769 }
 770
 771 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
 772 {
 773         eServiceID Sid(sid);
 774         eTransportStreamID Tsid(tsid);
 775         eOriginalNetworkID Onid(onid);
 776         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
 777                 sit != m_services.end(); ++sit)
 778         {
 779                 if (sit->first.getTransportStreamID() == Tsid &&
 780                         sit->first.getOriginalNetworkID() == Onid &&
 781                         sit->first.getServiceID() == Sid)
 782                         return sit->first;
 783         }
 784         return eServiceReference();
 785 }
 786
 787 DEFINE_REF(eDVBDBQueryBase);
 788
 789 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 790         :m_db(db), m_query(query), m_source(source)
 791 {
 792 }
 793
 794 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
 795 {
 796         ePtr<eDVBService> a_service, b_service;
 797
 798         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
 799
 800         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
 801         {
 802                 if (m_db->getService(a, a_service))
 803                         return 1;
 804                 if (m_db->getService(b, b_service))
 805                         return 1;
 806         }
 807
 808         switch (sortmode)
 809         {
 810         case eDVBChannelQuery::tName:
 811                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
 812         case eDVBChannelQuery::tProvider:
 813                 return a_service->m_provider_name < b_service->m_provider_name;
 814         case eDVBChannelQuery::tType:
 815                 return a.getServiceType() < b.getServiceType();
 816         case eDVBChannelQuery::tBouquet:
 817                 return 0;
 818         case eDVBChannelQuery::tSatellitePosition:
 819                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
 820         default:
 821                 return 1;
 822         }
 823         return 0;
 824 }
 825
 826 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 827         :eDVBDBQueryBase(db, source, query)
 828 {
 829         m_cursor = m_db->m_services.begin();
 830 }
 831
 832 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
 833 {
 834         while (m_cursor != m_db->m_services.end())
 835         {
 836                 ref = m_cursor->first;
 837
 838                 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
 839
 840                 ++m_cursor;
 841
 842                 if (res)
 843                         return 0;
 844         }
 845
 846         ref.type = eServiceReference::idInvalid;
 847
 848         return 1;
 849 }
 850
 851 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 852         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
 853 {
 854 }
 855
 856 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
 857 {
 858         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
 859         std::list<eServiceReference> &list = bouquet.m_services;
 860         while (m_cursor != list.end())
 861         {
 862                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
 863
 864                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
 865                         m_db->m_services.find(ref);
 866
 867                 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
 868
 869                 ++m_cursor;
 870
 871                 if (res)
 872                         return 0;
 873         }
 874
 875         ref.type = eServiceReference::idInvalid;
 876
 877         return 1;
 878 }
 879
 880 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 881         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
 882 {
 883 }
 884
 885 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
 886 {
 887         if (m_cursor != m_list.end())
 888         {
 889                 ref = *m_cursor++;
 890                 return 0;
 891         }
 892         ref.type = eServiceReference::idInvalid;
 893         return 1;
 894 }
 895
 896 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
 897 {
 898         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
 899         {
 900                 int x = (a.getDVBNamespace().get() >> 16);
 901                 int y = (b.getDVBNamespace().get() >> 16);
 902                 if ( x > 1800 )
 903                         x -= 3600;
 904                 if ( y > 1800 )
 905                         y -= 3600;
 906                 return x < y;
 907         }
 908         return a.name < b.name;
 909 }
 910
 911 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 912         :eDVBDBListQuery(db, source, query)
 913 {
 914         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
 915                 it != m_db->m_services.end(); ++it)
 916         {
 917                 int res = it->second->checkFilter(it->first, *query);
 918                 if (res)
 919                 {
 920                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
 921                         bool found=0;
 922                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
 923                                 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
 924                                 {
 925                                         found=true;
 926                                         break;
 927                                 }
 928                         if (!found)
 929                         {
 930                                 eServiceReferenceDVB ref;
 931                                 ref.setDVBNamespace(dvbnamespace);
 932                                 ref.flags=eServiceReference::flagDirectory;
 933                                 char buf[64];
 934                                 snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
 935
 936                                 ref.path=buf+source.path;
 937                                 unsigned int pos=ref.path.find("FROM");
 938                                 ref.path.erase(pos);
 939                                 ref.path+="ORDER BY name";
 940 //                              eDebug("ref.path now %s", ref.path.c_str());
 941                                 m_list.push_back(ref);
 942
 943                                 ref.path=buf+source.path;
 944                                 pos=ref.path.find("FROM");
 945                                 ref.path.erase(pos+5);
 946                                 ref.path+="PROVIDERS ORDER BY name";
 947 //                              eDebug("ref.path now %s", ref.path.c_str());
 948                                 m_list.push_back(ref);
 949                         }
 950                 }
 951         }
 952         m_cursor=m_list.begin();
 953 }
 954
 955 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 956         :eDVBDBListQuery(db, source, query)
 957 {
 958         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
 959                 it != m_db->m_services.end(); ++it)
 960         {
 961                 int res = it->second->checkFilter(it->first, *query);
 962                 if (res)
 963                 {
 964                         bool found=0;
 965
 966                         const char *provider_name = it->second->m_provider_name.length() ?
 967                                 it->second->m_provider_name.c_str() :
 968                                 "Unknown";
 969
 970                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
 971                                 if (i->name == provider_name)
 972                                 {
 973                                         found=true;
 974                                         break;
 975                                 }
 976                         if (!found)
 977                         {
 978                                 eServiceReferenceDVB ref;
 979                                 char buf[64];
 980                                 ref.name=provider_name;
 981                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
 982                                 ref.path=buf+source.path;
 983                                 unsigned int pos = ref.path.find("FROM");
 984                                 ref.flags=eServiceReference::flagDirectory;
 985                                 ref.path.erase(pos);
 986                                 ref.path+="ORDER BY name";
 987 //                              eDebug("ref.path now %s", ref.path.c_str());
 988                                 m_list.push_back(ref);
 989                         }
 990                 }
 991         }
 992         m_cursor=m_list.begin();
 993 }
 994
 995 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
 996
 997 static int decodeType(const std::string &type)
 998 {
 999         if (type == "name")
1000                 return eDVBChannelQuery::tName;
1001         else if (type == "provider")
1002                 return eDVBChannelQuery::tProvider;
1003         else if (type == "type")
1004                 return eDVBChannelQuery::tType;
1005         else if (type == "bouquet")
1006                 return eDVBChannelQuery::tBouquet;
1007         else if (type == "satellitePosition")
1008                 return eDVBChannelQuery::tSatellitePosition;
1009         else if (type == "channelID")
1010                 return eDVBChannelQuery::tChannelID;
1011         else
1012                 return -1;
1013 }
1014
1015         /* never, NEVER write a parser in C++! */
1016 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1017 {
1018         std::list<std::string>::const_iterator end_of_exp;
1019         if (*begin == "(")
1020         {
1021                 end_of_exp = begin;
1022                 while (end_of_exp != end)
1023                         if (*end_of_exp == ")")
1024                                 break;
1025                         else
1026                                 ++end_of_exp;
1027
1028                 if (end_of_exp == end)
1029                 {
1030                         eDebug("expression parse: end of expression while searching for closing brace");
1031                         return -1;
1032                 }
1033
1034                 ++begin;
1035                 // begin..end_of_exp
1036                 int r = parseExpression(res, begin, end_of_exp);
1037                 if (r)
1038                         return r;
1039                 ++end_of_exp;
1040
1041                         /* we had only one sub expression */
1042                 if (end_of_exp == end)
1043                 {
1044 //                      eDebug("only one sub expression");
1045                         return 0;
1046                 }
1047
1048                         /* otherwise we have an operator here.. */
1049
1050                 ePtr<eDVBChannelQuery> r2 = res;
1051                 res = new eDVBChannelQuery();
1052                 res->m_sort = 0;
1053                 res->m_p1 = r2;
1054                 res->m_inverse = 0;
1055                 r2 = 0;
1056
1057                 if (*end_of_exp == "||")
1058                         res->m_type = eDVBChannelQuery::tOR;
1059                 else if (*end_of_exp == "&&")
1060                         res->m_type = eDVBChannelQuery::tAND;
1061                 else
1062                 {
1063                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1064                         res = 0;
1065                         return 1;
1066                 }
1067
1068                 ++end_of_exp;
1069
1070                 return parseExpression(res->m_p2, end_of_exp, end);
1071         }
1072
1073         // "begin" <op> "end"
1074         std::string type, op, val;
1075
1076         res = new eDVBChannelQuery();
1077         res->m_sort = 0;
1078
1079         int cnt = 0;
1080         while (begin != end)
1081         {
1082                 switch (cnt)
1083                 {
1084                 case 0:
1085                         type = *begin;
1086                         break;
1087                 case 1:
1088                         op = *begin;
1089                         break;
1090                 case 2:
1091                         val = *begin;
1092                         break;
1093                 case 3:
1094                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1095                         return 1;
1096                 }
1097                 ++begin;
1098                 ++cnt;
1099         }
1100
1101         if (cnt != 3)
1102         {
1103                 eDebug("malformed query: missing stuff");
1104                 res = 0;
1105                 return 1;
1106         }
1107
1108         res->m_type = decodeType(type);
1109
1110         if (res->m_type == -1)
1111         {
1112                 eDebug("malformed query: invalid type %s", type.c_str());
1113                 res = 0;
1114                 return 1;
1115         }
1116
1117         if (op == "==")
1118                 res->m_inverse = 0;
1119         else if (op == "!=")
1120                 res->m_inverse = 1;
1121         else
1122         {
1123                 eDebug("invalid operator %s", op.c_str());
1124                 res = 0;
1125                 return 1;
1126         }
1127
1128         res->m_string = val;
1129         res->m_int = atoi(val.c_str());
1130 //      res->m_channelid = eDVBChannelID(val);
1131
1132         return 0;
1133 }
1134
1135 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1136 {
1137         std::list<std::string> tokens;
1138
1139         std::string current_token;
1140         std::string bouquet_name;
1141
1142 //      eDebug("splitting %s....", query.c_str());
1143         unsigned int i = 0;
1144         const char *splitchars="()";
1145         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1146         while (i <= query.size())
1147         {
1148                 int c = (i < query.size()) ? query[i] : ' ';
1149                 ++i;
1150
1151                 int issplit = !!strchr(splitchars, c);
1152                 int isaln = isalnum(c);
1153                 int iswhite = c == ' ';
1154                 int isquot = c == '\"';
1155
1156                 if (quotemode)
1157                 {
1158                         iswhite = issplit = 0;
1159                         isaln = lastalnum;
1160                 }
1161
1162                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1163                 {
1164                         if (current_token.size())
1165                                 tokens.push_back(current_token);
1166                         current_token.clear();
1167                 }
1168
1169                 if (!(iswhite || isquot))
1170                         current_token += c;
1171
1172                 if (isquot)
1173                         quotemode = !quotemode;
1174                 lastsplit = issplit;
1175                 lastalnum = isaln;
1176         }
1177
1178 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1179 //      {
1180 //              printf("%s\n", a->c_str());
1181 //      }
1182
1183         int sort = eDVBChannelQuery::tName;
1184                 /* check for "ORDER BY ..." */
1185
1186         std::list<std::string>::iterator it = tokens.begin();
1187         while (it != tokens.end())
1188         {
1189                 if (*it == "ORDER")
1190                 {
1191                         tokens.erase(it++);
1192                         if (it != tokens.end() && *it == "BY")
1193                         {
1194                                 tokens.erase(it++);
1195                                 sort = decodeType(*it);
1196                                 tokens.erase(it++);
1197                         } else
1198                                 sort = -1;
1199                 }
1200                 else if (*it == "FROM")
1201                 {
1202                         tokens.erase(it++);
1203                         if (it != tokens.end() && *it == "BOUQUET")
1204                         {
1205                                 tokens.erase(it++);
1206                                 bouquet_name = *it;
1207                                 tokens.erase(it++);
1208                         }
1209                         else if (it != tokens.end() && *it == "SATELLITES")
1210                                 tokens.erase(it++);
1211                         else if (it != tokens.end() && *it == "PROVIDERS")
1212                                 tokens.erase(it++);
1213                         else
1214                         {
1215                                 eDebug("FROM unknown %s", (*it).c_str());
1216                                 tokens.erase(it++);
1217                         }
1218                 }
1219                 else
1220                         ++it;
1221         }
1222
1223         if (sort == -1)
1224         {
1225                 eWarning("ORDER BY .. string invalid.");
1226                 res = 0;
1227                 return -1;
1228         }
1229
1230 //      eDebug("sort by %d", sort);
1231
1232                 /* now we recursivly parse that. */
1233         int r = parseExpression(res, tokens.begin(), tokens.end());
1234
1235         if (res)
1236         {
1237                 res->m_sort = sort;
1238                 res->m_bouquet_name = bouquet_name;
1239         }
1240
1241 //      eDebug("return: %d", r);
1242         return r;
1243 }
1244
1245 DEFINE_REF(eDVBChannelQuery);