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 = ((unsigned int)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         case eDVBChannelQuery::tAny:
 213                 res = 1;
 214                 break;
 215         }
 216
 217         if (query.m_inverse)
 218                 return !res;
 219         else
 220                 return res;
 221 }
 222
 223 int eDVBService::getCachePID(cacheID id)
 224 {
 225         std::map<int, int>::iterator it = m_cache.find(id);
 226         if ( it != m_cache.end() )
 227                 return it->second;
 228         return -1;
 229 }
 230
 231 void eDVBService::setCachePID(cacheID id, int pid)
 232 {
 233         if (pid == -1)
 234                 m_cache.erase(id);
 235         else
 236                 m_cache[id] = pid;
 237 }
 238
 239 DEFINE_REF(eDVBDB);
 240
 241         /* THIS CODE IS BAD. it should be replaced by somethine better. */
 242 void eDVBDB::reloadServicelist()
 243 {
 244         eDebug("---- opening lame channel db");
 245         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
 246         if (!f)
 247         {
 248                 struct stat s;
 249                 if ( !stat("lamedb", &s) )
 250                 {
 251                         if ( !stat(CONFIGDIR"/enigma2", &s) )
 252                         {
 253                                 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
 254                                 reloadServicelist();
 255                         }
 256                 }
 257                 return;
 258         }
 259         char line[256];
 260         if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
 261         {
 262                 eDebug("not a servicefile");
 263                 fclose(f);
 264                 return;
 265         }
 266         eDebug("reading services");
 267         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
 268         {
 269                 eDebug("services invalid, no transponders");
 270                 fclose(f);
 271                 return;
 272         }
 273
 274         // clear all transponders
 275
 276         while (!feof(f))
 277         {
 278                 if (!fgets(line, 256, f))
 279                         break;
 280                 if (!strcmp(line, "end\n"))
 281                         break;
 282                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
 283                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
 284                 if (original_network_id == -1)
 285                         continue;
 286                 eDVBChannelID channelid = eDVBChannelID(
 287                         eDVBNamespace(dvb_namespace),
 288                         eTransportStreamID(transport_stream_id),
 289                         eOriginalNetworkID(original_network_id));
 290
 291                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
 292                 while (!feof(f))
 293                 {
 294                         fgets(line, 256, f);
 295                         if (!strcmp(line, "/\n"))
 296                                 break;
 297                         if (line[1]=='s')
 298                         {
 299                                 eDVBFrontendParametersSatellite sat;
 300                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
 301                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
 302                                 sat.frequency = frequency;
 303                                 sat.symbol_rate = symbol_rate;
 304                                 sat.polarisation = polarisation;
 305                                 sat.fec = fec;
 306                                 sat.orbital_position =
 307                                         orbital_position < 0 ? orbital_position + 3600 : orbital_position;
 308                                 sat.inversion = inversion;
 309                                 feparm->setDVBS(sat);
 310                         } else if (line[1]=='t')
 311                         {
 312                                 eDVBFrontendParametersTerrestrial ter;
 313                                 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
 314                                 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);
 315                                 ter.frequency = frequency;
 316                                 ter.bandwidth = bandwidth;
 317                                 ter.code_rate_HP = code_rate_HP;
 318                                 ter.code_rate_LP = code_rate_LP;
 319                                 ter.modulation = modulation;
 320                                 ter.transmission_mode = transmission_mode;
 321                                 ter.guard_interval = guard_interval;
 322                                 ter.hierarchy = hierarchy;
 323                                 ter.inversion = inversion;
 324                                 feparm->setDVBT(ter);
 325                         } else if (line[1]=='c')
 326                         {
 327                                 eDVBFrontendParametersCable cab;
 328                                 int frequency, symbol_rate,
 329                                         inversion=eDVBFrontendParametersCable::Inversion::Unknown,
 330                                         modulation=eDVBFrontendParametersCable::Modulation::Auto,
 331                                         fec_inner=eDVBFrontendParametersCable::FEC::fAuto;
 332                                 sscanf(line+2, "%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner);
 333                                 cab.frequency = frequency;
 334                                 cab.fec_inner = fec_inner;
 335                                 cab.inversion = inversion;
 336                                 cab.symbol_rate = symbol_rate;
 337                                 cab.modulation = modulation;
 338                                 feparm->setDVBC(cab);
 339                         }
 340                 }
 341                 addChannelToList(channelid, feparm);
 342         }
 343
 344         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 345         {
 346                 eDebug("services invalid, no services");
 347                 return;
 348         }
 349
 350         // clear all services
 351
 352         int count=0;
 353
 354         while (!feof(f))
 355         {
 356                 if (!fgets(line, 256, f))
 357                         break;
 358                 if (!strcmp(line, "end\n"))
 359                         break;
 360
 361                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 362                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 363                 if (service_number == -1)
 364                         continue;
 365                 ePtr<eDVBService> s = new eDVBService;
 366                 eServiceReferenceDVB ref =
 367                                                 eServiceReferenceDVB(
 368                                                 eDVBNamespace(dvb_namespace),
 369                                                 eTransportStreamID(transport_stream_id),
 370                                                 eOriginalNetworkID(original_network_id),
 371                                                 eServiceID(service_id),
 372                                                 service_type);
 373                 count++;
 374                 fgets(line, 256, f);
 375                 if (strlen(line))
 376                         line[strlen(line)-1]=0;
 377
 378                 s->m_service_name = line;
 379                 s->genSortName();
 380
 381                 fgets(line, 256, f);
 382                 if (strlen(line))
 383                         line[strlen(line)-1]=0;
 384                 std::string str=line;
 385
 386                 if (str[1]!=':')        // old ... (only service_provider)
 387                 {
 388                         s->m_provider_name=line;
 389                 } else
 390                         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 391                         {
 392                                 unsigned int c=str.find(',');
 393                                 char p=str[0];
 394                                 std::string v;
 395                                 if (c == std::string::npos)
 396                                 {
 397                                         v=str.substr(2);
 398                                         str="";
 399                                 } else
 400                                 {
 401                                         v=str.substr(2, c-2);
 402                                         str=str.substr(c+1);
 403                                 }
 404 //                              eDebug("%c ... %s", p, v.c_str());
 405                                 if (p == 'p')
 406                                         s->m_provider_name=v;
 407                                 else if (p == 'f')
 408                                 {
 409                                         sscanf(v.c_str(), "%x", &s->m_flags);
 410                                 } else if (p == 'c')
 411                                 {
 412                                         int cid, val;
 413                                         sscanf(v.c_str(), "%02d%04x", &cid, &val);
 414                                         s->m_cache[cid]=val;
 415                                 } else if (p == 'C')
 416                                 {
 417                                         int val;
 418                                         sscanf(v.c_str(), "%04x", &val);
 419                                         s->m_ca.insert(val);
 420                                 }
 421                         }
 422                 addService(ref, s);
 423         }
 424
 425         eDebug("loaded %d services", count);
 426
 427         fclose(f);
 428 }
 429
 430 void eDVBDB::saveServicelist()
 431 {
 432         eDebug("---- saving lame channel db");
 433         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
 434         int channels=0, services=0;
 435         if (!f)
 436                 eFatal("couldn't save lame channel db!");
 437         fprintf(f, "eDVB services /3/\n");
 438         fprintf(f, "transponders\n");
 439         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 440                         i != m_channels.end(); ++i)
 441         {
 442                 const eDVBChannelID &chid = i->first;
 443                 const channel &ch = i->second;
 444
 445                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 446                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 447                 eDVBFrontendParametersSatellite sat;
 448                 eDVBFrontendParametersTerrestrial ter;
 449                 eDVBFrontendParametersCable cab;
 450                 if (!ch.m_frontendParameters->getDVBS(sat))
 451                 {
 452                         fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
 453                                 sat.frequency, sat.symbol_rate,
 454                                 sat.polarisation, sat.fec,
 455                                 sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 456                                 sat.inversion);
 457                 }
 458                 if (!ch.m_frontendParameters->getDVBT(ter))
 459                 {
 460                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 461                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 462                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 463                                 ter.guard_interval, ter.hierarchy, ter.inversion);
 464                 }
 465                 if (!ch.m_frontendParameters->getDVBC(cab))
 466                 {
 467                         fprintf(f, "\tc %d:%d:%d:%d:%d\n",
 468                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner);
 469                 }
 470                 fprintf(f, "/\n");
 471                 channels++;
 472         }
 473         fprintf(f, "end\nservices\n");
 474
 475         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 476                 i != m_services.end(); ++i)
 477         {
 478                 const eServiceReferenceDVB &s = i->first;
 479                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 480                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 481                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 482                                 s.getServiceType(),
 483                                 0);
 484
 485                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 486
 487                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 488
 489                 // write cached pids
 490                 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
 491                         ca != i->second->m_cache.end(); ++ca)
 492                         fprintf(f, ",c:%02d%04x", ca->first, ca->second);
 493
 494                 // write cached ca pids
 495                 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
 496                         ca != i->second->m_ca.end(); ++ca)
 497                         fprintf(f, ",C:%04x", *ca);
 498
 499                 if (i->second->m_flags)
 500                         fprintf(f, ",f:%x", i->second->m_flags);
 501
 502                 fprintf(f, "\n");
 503                 services++;
 504         }
 505         fprintf(f, "end\nHave a lot of bugs!\n");
 506         eDebug("saved %d channels and %d services!", channels, services);
 507         fclose(f);
 508 }
 509
 510 void eDVBDB::loadBouquet(const char *path)
 511 {
 512         std::string bouquet_name = path;
 513         if (!bouquet_name.length())
 514         {
 515                 eDebug("Bouquet load failed.. no path given..");
 516                 return;
 517         }
 518         unsigned int pos = bouquet_name.rfind('/');
 519         if ( pos != std::string::npos )
 520                 bouquet_name.erase(0, pos+1);
 521         if (bouquet_name.empty())
 522         {
 523                 eDebug("Bouquet load failed.. no filename given..");
 524                 return;
 525         }
 526         eBouquet &bouquet = m_bouquets[bouquet_name];
 527         bouquet.m_filename = bouquet_name;
 528         std::list<eServiceReference> &list = bouquet.m_services;
 529         list.clear();
 530
 531         std::string p = CONFIGDIR"/enigma2/";
 532         p+=path;
 533         eDebug("loading bouquet... %s", p.c_str());
 534         FILE *fp=fopen(p.c_str(), "rt");
 535         int entries=0;
 536         if (!fp)
 537         {
 538                 struct stat s;
 539                 if ( !stat(path, &s) )
 540                 {
 541                         rename(path, p.c_str() );
 542                         loadBouquet(path);
 543                         return;
 544                 }
 545                 eDebug("failed to open.");
 546                 if ( strstr(path, "bouquets.tv") )
 547                 {
 548                         eDebug("recreate bouquets.tv");
 549                         bouquet.m_bouquet_name="Bouquets (TV)";
 550                         bouquet.flushChanges();
 551                 }
 552                 else if ( strstr(path, "bouquets.radio") )
 553                 {
 554                         eDebug("recreate bouquets.radio");
 555                         bouquet.m_bouquet_name="Bouquets (Radio)";
 556                         bouquet.flushChanges();
 557                 }
 558                 return;
 559         }
 560         char line[256];
 561         bool read_descr=false;
 562         eServiceReference *e = NULL;
 563         while (1)
 564         {
 565                 if (!fgets(line, 256, fp))
 566                         break;
 567                 line[strlen(line)-1]=0;
 568                 if (strlen(line) && line[strlen(line)-1]=='\r')
 569                         line[strlen(line)-1]=0;
 570                 if (!line[0])
 571                         break;
 572                 if (line[0]=='#')
 573                 {
 574                         if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
 575                         {
 576                                 int offs = line[8] == ':' ? 10 : 9;
 577                                 eServiceReference tmp(line+offs);
 578                                 if (tmp.type != eServiceReference::idDVB)
 579                                 {
 580                                         eDebug("only DVB Bouquets supported");
 581                                         continue;
 582                                 }
 583                                 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
 584                                 {
 585                                         unsigned int pos = tmp.path.rfind('/');
 586                                         if ( pos != std::string::npos )
 587                                                 tmp.path.erase(0, pos+1);
 588                                         if (tmp.path.empty())
 589                                         {
 590                                                 eDebug("Bouquet load failed.. no filename given..");
 591                                                 continue;
 592                                         }
 593                                         loadBouquet(tmp.path.c_str());
 594                                         char buf[256];
 595                                         snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
 596                                         tmp.path = buf;
 597                                 }
 598                                 list.push_back(tmp);
 599                                 e = &list.back();
 600                                 read_descr=true;
 601                                 ++entries;
 602                         }
 603                         else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
 604                         {
 605                                 e->name = line+13;
 606                                 read_descr=false;
 607                         }
 608                         else if (!strncmp(line, "#NAME ", 6))
 609                                 bouquet.m_bouquet_name=line+6;
 610                         continue;
 611                 }
 612         }
 613         fclose(fp);
 614         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 615 }
 616
 617 void eDVBDB::reloadBouquets()
 618 {
 619         m_bouquets.clear();
 620         loadBouquet("bouquets.tv");
 621         loadBouquet("bouquets.radio");
 622 // create default bouquets when missing
 623         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 624         {
 625                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 626                 b.m_filename = "userbouquet.favourites.tv";
 627                 b.m_bouquet_name = "Favourites (TV)";
 628                 b.flushChanges();
 629                 eServiceReference ref;
 630                 memset(ref.data, 0, sizeof(ref.data));
 631                 ref.type=1;
 632                 ref.flags=7;
 633                 ref.data[0]=1;
 634                 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 635                 eBouquet &parent = m_bouquets["bouquets.tv"];
 636                 parent.m_services.push_back(ref);
 637                 parent.flushChanges();
 638         }
 639         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 640         {
 641                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 642                 b.m_filename = "userbouquet.favourites.radio";
 643                 b.m_bouquet_name = "Favourites (Radio)";
 644                 b.flushChanges();
 645                 eServiceReference ref;
 646                 memset(ref.data, 0, sizeof(ref.data));
 647                 ref.type=1;
 648                 ref.flags=7;
 649                 ref.data[0]=2;
 650                 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 651                 eBouquet &parent = m_bouquets["bouquets.radio"];
 652                 parent.m_services.push_back(ref);
 653                 parent.flushChanges();
 654         }
 655 }
 656
 657 eDVBDB *eDVBDB::instance;
 658
 659 eDVBDB::eDVBDB()
 660 {
 661         instance = this;
 662         reloadServicelist();
 663 }
 664
 665 eDVBDB::~eDVBDB()
 666 {
 667         instance=NULL;
 668 }
 669
 670 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 671 {
 672         channel ch;
 673         assert(feparm);
 674         ch.m_frontendParameters = feparm;
 675         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 676         return 0;
 677 }
 678
 679 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 680 {
 681         m_channels.erase(id);
 682         return 0;
 683 }
 684
 685 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 686 {
 687         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 688         if (i == m_channels.end())
 689         {
 690                 parm = 0;
 691                 return -ENOENT;
 692         }
 693         parm = i->second.m_frontendParameters;
 694         return 0;
 695 }
 696
 697 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 698 {
 699         m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 700         return 0;
 701 }
 702
 703 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 704 {
 705         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 706         i = m_services.find(reference);
 707         if (i == m_services.end())
 708         {
 709                 service = 0;
 710                 return -ENOENT;
 711         }
 712         service = i->second;
 713         return 0;
 714 }
 715
 716 RESULT eDVBDB::flush()
 717 {
 718         saveServicelist();
 719         return 0;
 720 }
 721
 722 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
 723 {
 724         std::string str = ref.path;
 725         if (str.empty())
 726         {
 727                 eDebug("getBouquet failed.. no path given!");
 728                 return -1;
 729         }
 730         unsigned int pos = str.find("FROM BOUQUET \"");
 731         if ( pos != std::string::npos )
 732         {
 733                 str.erase(0, pos+14);
 734                 pos = str.find('"');
 735                 if ( pos != std::string::npos )
 736                         str.erase(pos);
 737                 else
 738                         str.clear();
 739         }
 740         if (str.empty())
 741         {
 742                 eDebug("getBouquet failed.. couldn't parse bouquet name");
 743                 return -1;
 744         }
 745         std::map<std::string, eBouquet>::iterator i =
 746                 m_bouquets.find(str);
 747         if (i == m_bouquets.end())
 748         {
 749                 bouquet = 0;
 750                 return -ENOENT;
 751         }
 752         bouquet = &i->second;
 753         return 0;
 754 }
 755
 756 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
 757 {
 758         if ( source.path.find("FROM") != std::string::npos )
 759         {
 760                 if ( source.path.find("BOUQUET") != std::string::npos )
 761                         query = new eDVBDBBouquetQuery(this, source, q);
 762                 else if ( source.path.find("SATELLITES") != std::string::npos )
 763                         query = new eDVBDBSatellitesQuery(this, source, q);
 764                 else if ( source.path.find("PROVIDERS") != std::string::npos )
 765                         query = new eDVBDBProvidersQuery(this, source, q);
 766                 else
 767                         eFatal("invalid query %s", source.toString().c_str());
 768         }
 769         else
 770                 query = new eDVBDBQuery(this, source, q);
 771         return 0;
 772 }
 773
 774 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
 775 {
 776         eServiceID Sid(sid);
 777         eTransportStreamID Tsid(tsid);
 778         eOriginalNetworkID Onid(onid);
 779         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
 780                 sit != m_services.end(); ++sit)
 781         {
 782                 if (sit->first.getTransportStreamID() == Tsid &&
 783                         sit->first.getOriginalNetworkID() == Onid &&
 784                         sit->first.getServiceID() == Sid)
 785                         return sit->first;
 786         }
 787         return eServiceReference();
 788 }
 789
 790 DEFINE_REF(eDVBDBQueryBase);
 791
 792 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 793         :m_db(db), m_query(query), m_source(source)
 794 {
 795 }
 796
 797 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
 798 {
 799         ePtr<eDVBService> a_service, b_service;
 800
 801         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
 802
 803         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
 804         {
 805                 if (m_db->getService(a, a_service))
 806                         return 1;
 807                 if (m_db->getService(b, b_service))
 808                         return 1;
 809         }
 810
 811         switch (sortmode)
 812         {
 813         case eDVBChannelQuery::tName:
 814                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
 815         case eDVBChannelQuery::tProvider:
 816                 return a_service->m_provider_name < b_service->m_provider_name;
 817         case eDVBChannelQuery::tType:
 818                 return a.getServiceType() < b.getServiceType();
 819         case eDVBChannelQuery::tBouquet:
 820                 return 0;
 821         case eDVBChannelQuery::tSatellitePosition:
 822                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
 823         default:
 824                 return 1;
 825         }
 826         return 0;
 827 }
 828
 829 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 830         :eDVBDBQueryBase(db, source, query)
 831 {
 832         m_cursor = m_db->m_services.begin();
 833 }
 834
 835 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
 836 {
 837         while (m_cursor != m_db->m_services.end())
 838         {
 839                 ref = m_cursor->first;
 840
 841                 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
 842
 843                 ++m_cursor;
 844
 845                 if (res)
 846                         return 0;
 847         }
 848
 849         ref.type = eServiceReference::idInvalid;
 850
 851         return 1;
 852 }
 853
 854 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 855         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
 856 {
 857 }
 858
 859 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
 860 {
 861         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
 862         std::list<eServiceReference> &list = bouquet.m_services;
 863         while (m_cursor != list.end())
 864         {
 865                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
 866
 867                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
 868                         m_db->m_services.find(ref);
 869
 870                 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
 871
 872                 ++m_cursor;
 873
 874                 if (res)
 875                         return 0;
 876         }
 877
 878         ref.type = eServiceReference::idInvalid;
 879
 880         return 1;
 881 }
 882
 883 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 884         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
 885 {
 886 }
 887
 888 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
 889 {
 890         if (m_cursor != m_list.end())
 891         {
 892                 ref = *m_cursor++;
 893                 return 0;
 894         }
 895         ref.type = eServiceReference::idInvalid;
 896         return 1;
 897 }
 898
 899 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
 900 {
 901         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
 902         {
 903                 int x = (a.getDVBNamespace().get() >> 16);
 904                 int y = (b.getDVBNamespace().get() >> 16);
 905                 if ( x > 1800 )
 906                         x -= 3600;
 907                 if ( y > 1800 )
 908                         y -= 3600;
 909                 return x < y;
 910         }
 911         return a.name < b.name;
 912 }
 913
 914 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 915         :eDVBDBListQuery(db, source, query)
 916 {
 917         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
 918                 it != m_db->m_services.end(); ++it)
 919         {
 920                 int res = it->second->checkFilter(it->first, *query);
 921                 if (res)
 922                 {
 923                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
 924                         bool found=0;
 925                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
 926                                 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
 927                                 {
 928                                         found=true;
 929                                         break;
 930                                 }
 931                         if (!found)
 932                         {
 933                                 eServiceReferenceDVB ref;
 934                                 ref.setDVBNamespace(dvbnamespace);
 935                                 ref.flags=eServiceReference::flagDirectory;
 936                                 char buf[64];
 937                                 snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
 938
 939                                 ref.path=buf+source.path;
 940                                 unsigned int pos=ref.path.find("FROM");
 941                                 ref.path.erase(pos);
 942                                 ref.path+="ORDER BY name";
 943 //                              eDebug("ref.path now %s", ref.path.c_str());
 944                                 m_list.push_back(ref);
 945
 946                                 ref.path=buf+source.path;
 947                                 pos=ref.path.find("FROM");
 948                                 ref.path.erase(pos+5);
 949                                 ref.path+="PROVIDERS ORDER BY name";
 950 //                              eDebug("ref.path now %s", ref.path.c_str());
 951                                 m_list.push_back(ref);
 952                         }
 953                 }
 954         }
 955         m_cursor=m_list.begin();
 956 }
 957
 958 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
 959         :eDVBDBListQuery(db, source, query)
 960 {
 961         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
 962                 it != m_db->m_services.end(); ++it)
 963         {
 964                 int res = it->second->checkFilter(it->first, *query);
 965                 if (res)
 966                 {
 967                         bool found=0;
 968
 969                         const char *provider_name = it->second->m_provider_name.length() ?
 970                                 it->second->m_provider_name.c_str() :
 971                                 "Unknown";
 972
 973                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
 974                                 if (i->name == provider_name)
 975                                 {
 976                                         found=true;
 977                                         break;
 978                                 }
 979                         if (!found)
 980                         {
 981                                 eServiceReferenceDVB ref;
 982                                 char buf[64];
 983                                 ref.name=provider_name;
 984                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
 985                                 ref.path=buf+source.path;
 986                                 unsigned int pos = ref.path.find("FROM");
 987                                 ref.flags=eServiceReference::flagDirectory;
 988                                 ref.path.erase(pos);
 989                                 ref.path+="ORDER BY name";
 990 //                              eDebug("ref.path now %s", ref.path.c_str());
 991                                 m_list.push_back(ref);
 992                         }
 993                 }
 994         }
 995         m_cursor=m_list.begin();
 996 }
 997
 998 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
 999
1000 static int decodeType(const std::string &type)
1001 {
1002         if (type == "name")
1003                 return eDVBChannelQuery::tName;
1004         else if (type == "provider")
1005                 return eDVBChannelQuery::tProvider;
1006         else if (type == "type")
1007                 return eDVBChannelQuery::tType;
1008         else if (type == "bouquet")
1009                 return eDVBChannelQuery::tBouquet;
1010         else if (type == "satellitePosition")
1011                 return eDVBChannelQuery::tSatellitePosition;
1012         else if (type == "channelID")
1013                 return eDVBChannelQuery::tChannelID;
1014         else
1015                 return -1;
1016 }
1017
1018         /* never, NEVER write a parser in C++! */
1019 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1020 {
1021         std::list<std::string>::const_iterator end_of_exp;
1022
1023         if (begin == end)
1024         {
1025                 eDebug("empty expression!");
1026                 return 0;
1027         }
1028
1029         if (*begin == "(")
1030         {
1031                 end_of_exp = begin;
1032                 while (end_of_exp != end)
1033                         if (*end_of_exp == ")")
1034                                 break;
1035                         else
1036                                 ++end_of_exp;
1037
1038                 if (end_of_exp == end)
1039                 {
1040                         eDebug("expression parse: end of expression while searching for closing brace");
1041                         return -1;
1042                 }
1043
1044                 ++begin;
1045                 // begin..end_of_exp
1046                 int r = parseExpression(res, begin, end_of_exp);
1047                 if (r)
1048                         return r;
1049                 ++end_of_exp;
1050
1051                         /* we had only one sub expression */
1052                 if (end_of_exp == end)
1053                 {
1054 //                      eDebug("only one sub expression");
1055                         return 0;
1056                 }
1057
1058                         /* otherwise we have an operator here.. */
1059
1060                 ePtr<eDVBChannelQuery> r2 = res;
1061                 res = new eDVBChannelQuery();
1062                 res->m_sort = 0;
1063                 res->m_p1 = r2;
1064                 res->m_inverse = 0;
1065                 r2 = 0;
1066
1067                 if (*end_of_exp == "||")
1068                         res->m_type = eDVBChannelQuery::tOR;
1069                 else if (*end_of_exp == "&&")
1070                         res->m_type = eDVBChannelQuery::tAND;
1071                 else
1072                 {
1073                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1074                         res = 0;
1075                         return 1;
1076                 }
1077
1078                 ++end_of_exp;
1079
1080                 return parseExpression(res->m_p2, end_of_exp, end);
1081         }
1082
1083         // "begin" <op> "end"
1084         std::string type, op, val;
1085
1086         res = new eDVBChannelQuery();
1087         res->m_sort = 0;
1088
1089         int cnt = 0;
1090         while (begin != end)
1091         {
1092                 switch (cnt)
1093                 {
1094                 case 0:
1095                         type = *begin;
1096                         break;
1097                 case 1:
1098                         op = *begin;
1099                         break;
1100                 case 2:
1101                         val = *begin;
1102                         break;
1103                 case 3:
1104                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1105                         return 1;
1106                 }
1107                 ++begin;
1108                 ++cnt;
1109         }
1110
1111         if (cnt != 3)
1112         {
1113                 eDebug("malformed query: missing stuff");
1114                 res = 0;
1115                 return 1;
1116         }
1117
1118         res->m_type = decodeType(type);
1119
1120         if (res->m_type == -1)
1121         {
1122                 eDebug("malformed query: invalid type %s", type.c_str());
1123                 res = 0;
1124                 return 1;
1125         }
1126
1127         if (op == "==")
1128                 res->m_inverse = 0;
1129         else if (op == "!=")
1130                 res->m_inverse = 1;
1131         else
1132         {
1133                 eDebug("invalid operator %s", op.c_str());
1134                 res = 0;
1135                 return 1;
1136         }
1137
1138         res->m_string = val;
1139         res->m_int = atoi(val.c_str());
1140 //      res->m_channelid = eDVBChannelID(val);
1141
1142         return 0;
1143 }
1144
1145 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1146 {
1147         std::list<std::string> tokens;
1148
1149         std::string current_token;
1150         std::string bouquet_name;
1151
1152 //      eDebug("splitting %s....", query.c_str());
1153         unsigned int i = 0;
1154         const char *splitchars="()";
1155         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1156         while (i <= query.size())
1157         {
1158                 int c = (i < query.size()) ? query[i] : ' ';
1159                 ++i;
1160
1161                 int issplit = !!strchr(splitchars, c);
1162                 int isaln = isalnum(c);
1163                 int iswhite = c == ' ';
1164                 int isquot = c == '\"';
1165
1166                 if (quotemode)
1167                 {
1168                         iswhite = issplit = 0;
1169                         isaln = lastalnum;
1170                 }
1171
1172                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1173                 {
1174                         if (current_token.size())
1175                                 tokens.push_back(current_token);
1176                         current_token.clear();
1177                 }
1178
1179                 if (!(iswhite || isquot))
1180                         current_token += c;
1181
1182                 if (isquot)
1183                         quotemode = !quotemode;
1184                 lastsplit = issplit;
1185                 lastalnum = isaln;
1186         }
1187
1188 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1189 //      {
1190 //              printf("%s\n", a->c_str());
1191 //      }
1192
1193         int sort = eDVBChannelQuery::tName;
1194                 /* check for "ORDER BY ..." */
1195
1196         std::list<std::string>::iterator it = tokens.begin();
1197         while (it != tokens.end())
1198         {
1199                 if (*it == "ORDER")
1200                 {
1201                         tokens.erase(it++);
1202                         if (it != tokens.end() && *it == "BY")
1203                         {
1204                                 tokens.erase(it++);
1205                                 sort = decodeType(*it);
1206                                 tokens.erase(it++);
1207                         } else
1208                                 sort = -1;
1209                 }
1210                 else if (*it == "FROM")
1211                 {
1212                         tokens.erase(it++);
1213                         if (it != tokens.end() && *it == "BOUQUET")
1214                         {
1215                                 tokens.erase(it++);
1216                                 bouquet_name = *it;
1217                                 tokens.erase(it++);
1218                         }
1219                         else if (it != tokens.end() && *it == "SATELLITES")
1220                                 tokens.erase(it++);
1221                         else if (it != tokens.end() && *it == "PROVIDERS")
1222                                 tokens.erase(it++);
1223                         else
1224                         {
1225                                 eDebug("FROM unknown %s", (*it).c_str());
1226                                 tokens.erase(it++);
1227                         }
1228                 }
1229                 else
1230                         ++it;
1231         }
1232
1233         if (sort == -1)
1234         {
1235                 eWarning("ORDER BY .. string invalid.");
1236                 res = 0;
1237                 return -1;
1238         }
1239
1240 //      eDebug("sort by %d", sort);
1241
1242                 /* now we recursivly parse that. */
1243         int r = parseExpression(res, tokens.begin(), tokens.end());
1244
1245                 /* we have an empty (but valid!) expression */
1246         if (!r && !res)
1247         {
1248                 res = new eDVBChannelQuery();
1249                 res->m_type = eDVBChannelQuery::tAny;
1250         }
1251
1252         if (res)
1253         {
1254                 res->m_sort = sort;
1255                 res->m_bouquet_name = bouquet_name;
1256         }
1257
1258 //      eDebug("return: %d", r);
1259         return r;
1260 }
1261
1262 DEFINE_REF(eDVBChannelQuery);