/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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Diff of /linuxsampler/trunk/src/network/lscpserver.cpp

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revision 385 by schoenebeck, Thu Feb 17 02:53:45 2005 UTC revision 556 by schoenebeck, Sat May 21 01:10:12 2005 UTC
# Line 24  Line 24 
24  #include "lscpserver.h"  #include "lscpserver.h"
25  #include "lscpresultset.h"  #include "lscpresultset.h"
26  #include "lscpevent.h"  #include "lscpevent.h"
27    //#include "../common/global.h"
28    
29  #include "../engines/gig/Engine.h"  #include <fcntl.h>
30    
31    #if HAVE_SQLITE3
32    # include "sqlite3.h"
33    #endif
34    
35    #include "../engines/EngineFactory.h"
36  #include "../drivers/audio/AudioOutputDeviceFactory.h"  #include "../drivers/audio/AudioOutputDeviceFactory.h"
37  #include "../drivers/midi/MidiInputDeviceFactory.h"  #include "../drivers/midi/MidiInputDeviceFactory.h"
38    
# Line 53  Mutex LSCPServer::NotifyBufferMutex = Mu Line 60  Mutex LSCPServer::NotifyBufferMutex = Mu
60  Mutex LSCPServer::SubscriptionMutex = Mutex();  Mutex LSCPServer::SubscriptionMutex = Mutex();
61  Mutex LSCPServer::RTNotifyMutex = Mutex();  Mutex LSCPServer::RTNotifyMutex = Mutex();
62    
63  LSCPServer::LSCPServer(Sampler* pSampler) : Thread(false, 0, -4) {  LSCPServer::LSCPServer(Sampler* pSampler) : Thread(true, false, 0, -4) {
64      this->pSampler = pSampler;      this->pSampler = pSampler;
65      LSCPEvent::RegisterEvent(LSCPEvent::event_channels, "CHANNELS");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_count, "CHANNEL_COUNT");
66      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");
67      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");
68      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");
69      LSCPEvent::RegisterEvent(LSCPEvent::event_info, "INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_info, "CHANNEL_INFO");
70      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");
71        hSocket = -1;
72    }
73    
74    LSCPServer::~LSCPServer() {
75        if (hSocket >= 0) close(hSocket);
76  }  }
77    
78  /**  /**
# Line 78  int LSCPServer::WaitUntilInitialized(lon Line 90  int LSCPServer::WaitUntilInitialized(lon
90  }  }
91    
92  int LSCPServer::Main() {  int LSCPServer::Main() {
93      int hSocket = socket(AF_INET, SOCK_STREAM, 0);      hSocket = socket(AF_INET, SOCK_STREAM, 0);
94      if (hSocket < 0) {      if (hSocket < 0) {
95          std::cerr << "LSCPServer: Could not create server socket." << std::endl;          std::cerr << "LSCPServer: Could not create server socket." << std::endl;
96          //return -1;          //return -1;
# Line 161  int LSCPServer::Main() { Line 173  int LSCPServer::Main() {
173                                  int dummy; // just a temporary hack to fulfill the restart() function prototype                                  int dummy; // just a temporary hack to fulfill the restart() function prototype
174                                  restart(NULL, dummy); // restart the 'scanner'                                  restart(NULL, dummy); // restart the 'scanner'
175                                  currentSocket = (*iter).hSession;  //a hack                                  currentSocket = (*iter).hSession;  //a hack
176                                    dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));
177                                  if ((*iter).bVerbose) { // if echo mode enabled                                  if ((*iter).bVerbose) { // if echo mode enabled
178                                      AnswerClient(bufferedCommands[currentSocket]);                                      AnswerClient(bufferedCommands[currentSocket]);
179                                  }                                  }
# Line 447  String LSCPServer::LoadInstrument(String Line 460  String LSCPServer::LoadInstrument(String
460      try {      try {
461          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
462          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
463          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
464          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel yet");
465          if (!pSamplerChannel->GetAudioOutputDevice())          if (!pSamplerChannel->GetAudioOutputDevice())
466              throw LinuxSamplerException("No audio output device connected to sampler channel");              throw LinuxSamplerException("No audio output device connected to sampler channel");
467          if (bBackground) {          if (bBackground) {
468              InstrumentLoader.StartNewLoad(Filename, uiInstrument, pEngine);              InstrumentLoader.StartNewLoad(Filename, uiInstrument, pEngineChannel);
469            }
470            else {
471                // tell the engine channel which instrument to load
472                pEngineChannel->PrepareLoadInstrument(Filename.c_str(), uiInstrument);
473                // actually start to load the instrument (blocks until completed)
474                pEngineChannel->LoadInstrument();
475          }          }
         else pEngine->LoadInstrument(Filename.c_str(), uiInstrument);  
476      }      }
477      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
478           result.Error(e);           result.Error(e);
# Line 463  String LSCPServer::LoadInstrument(String Line 481  String LSCPServer::LoadInstrument(String
481  }  }
482    
483  /**  /**
484   * Will be called by the parser to load and deploy an engine.   * Will be called by the parser to assign a sampler engine type to a
485     * sampler channel.
486   */   */
487  String LSCPServer::LoadEngine(String EngineName, uint uiSamplerChannel) {  String LSCPServer::SetEngineType(String EngineName, uint uiSamplerChannel) {
488      dmsg(2,("LSCPServer: LoadEngine(EngineName=%s,SamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel));      dmsg(2,("LSCPServer: LoadEngine(EngineName=%s,SamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel));
489      LSCPResultSet result;      LSCPResultSet result;
490      try {      try {
         Engine::type_t type;  
         if ((EngineName == "GigEngine") || (EngineName == "gig")) type = Engine::type_gig;  
         else throw LinuxSamplerException("Unknown engine type");  
491          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
492          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
493          LockRTNotify();          LockRTNotify();
494          pSamplerChannel->LoadEngine(type);          pSamplerChannel->SetEngineType(EngineName);
495          UnlockRTNotify();          UnlockRTNotify();
496      }      }
497      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
# Line 534  String LSCPServer::RemoveChannel(uint ui Line 550  String LSCPServer::RemoveChannel(uint ui
550  }  }
551    
552  /**  /**
553   * Will be called by the parser to get all available engines.   * Will be called by the parser to get the amount of all available engines.
554   */   */
555  String LSCPServer::GetAvailableEngines() {  String LSCPServer::GetAvailableEngines() {
556      dmsg(2,("LSCPServer: GetAvailableEngines()\n"));      dmsg(2,("LSCPServer: GetAvailableEngines()\n"));
557      LSCPResultSet result("GigEngine");      LSCPResultSet result("1");
558        return result.Produce();
559    }
560    
561    /**
562     * Will be called by the parser to get a list of all available engines.
563     */
564    String LSCPServer::ListAvailableEngines() {
565        dmsg(2,("LSCPServer: ListAvailableEngines()\n"));
566        LSCPResultSet result("\'GIG\'");
567      return result.Produce();      return result.Produce();
568  }  }
569    
570  /**  /**
571   * Will be called by the parser to get descriptions for a particular engine.   * Will be called by the parser to get descriptions for a particular
572     * sampler engine.
573   */   */
574  String LSCPServer::GetEngineInfo(String EngineName) {  String LSCPServer::GetEngineInfo(String EngineName) {
575      dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));      dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));
576      LSCPResultSet result;      LSCPResultSet result;
577      try {      try {
578          if ((EngineName == "GigEngine") || (EngineName == "gig")) {          Engine* pEngine = EngineFactory::Create(EngineName);
579              Engine* pEngine = new LinuxSampler::gig::Engine;          result.Add("DESCRIPTION", pEngine->Description());
580              result.Add("DESCRIPTION", pEngine->Description());          result.Add("VERSION",     pEngine->Version());
581              result.Add("VERSION",     pEngine->Version());          delete pEngine;
             delete pEngine;  
         }  
         else throw LinuxSamplerException("Unknown engine type");  
582      }      }
583      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
584           result.Error(e);           result.Error(e);
# Line 573  String LSCPServer::GetChannelInfo(uint u Line 596  String LSCPServer::GetChannelInfo(uint u
596      try {      try {
597          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
598          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
599          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
600    
601          //Defaults values          //Defaults values
602          String EngineName = "NONE";          String EngineName = "NONE";
# Line 585  String LSCPServer::GetChannelInfo(uint u Line 608  String LSCPServer::GetChannelInfo(uint u
608          int AudioOutputChannels = 0;          int AudioOutputChannels = 0;
609          String AudioRouting;          String AudioRouting;
610    
611          if (pEngine) {          if (pEngineChannel) {
612              EngineName =  pEngine->EngineName();              EngineName          = pEngineChannel->EngineName();
613              AudioOutputChannels = pEngine->Channels();              AudioOutputChannels = pEngineChannel->Channels();
614              Volume = pEngine->Volume();              Volume              = pEngineChannel->Volume();
615              InstrumentStatus = pEngine->InstrumentStatus();              InstrumentStatus    = pEngineChannel->InstrumentStatus();
616              InstrumentIndex = pEngine->InstrumentIndex();              InstrumentIndex     = pEngineChannel->InstrumentIndex();
617              if (InstrumentIndex != -1)              if (InstrumentIndex != -1) {
618              {                  InstrumentFileName = pEngineChannel->InstrumentFileName();
619                  InstrumentFileName = pEngine->InstrumentFileName();                  InstrumentName     = pEngineChannel->InstrumentName();
620                  InstrumentName = pEngine->InstrumentName();              }
621              }              for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {
             for (int chan = 0; chan < pEngine->Channels(); chan++) {  
622                  if (AudioRouting != "") AudioRouting += ",";                  if (AudioRouting != "") AudioRouting += ",";
623                  AudioRouting += ToString(pEngine->OutputChannel(chan));                  AudioRouting += ToString(pEngineChannel->OutputChannel(chan));
624              }              }
625          }          }
626    
# Line 636  String LSCPServer::GetVoiceCount(uint ui Line 658  String LSCPServer::GetVoiceCount(uint ui
658      try {      try {
659          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
660          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
661          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
662          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine loaded on sampler channel");
663          result.Add(pEngine->VoiceCount());          result.Add(pEngineChannel->GetEngine()->VoiceCount());
664      }      }
665      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
666           result.Error(e);           result.Error(e);
# Line 656  String LSCPServer::GetStreamCount(uint u Line 678  String LSCPServer::GetStreamCount(uint u
678      try {      try {
679          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
680          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
681          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
682          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
683          result.Add(pEngine->DiskStreamCount());          result.Add(pEngineChannel->GetEngine()->DiskStreamCount());
684      }      }
685      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
686           result.Error(e);           result.Error(e);
# Line 676  String LSCPServer::GetBufferFill(fill_re Line 698  String LSCPServer::GetBufferFill(fill_re
698      try {      try {
699          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
700          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
701          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
702          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
703          if (!pEngine->DiskStreamSupported())          if (!pEngineChannel->GetEngine()->DiskStreamSupported()) result.Add("NA");
             result.Add("NA");  
704          else {          else {
705              switch (ResponseType) {              switch (ResponseType) {
706                  case fill_response_bytes:                  case fill_response_bytes:
707                      result.Add(pEngine->DiskStreamBufferFillBytes());                      result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillBytes());
708                      break;                      break;
709                  case fill_response_percentage:                  case fill_response_percentage:
710                      result.Add(pEngine->DiskStreamBufferFillPercentage());                      result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillPercentage());
711                      break;                      break;
712                  default:                  default:
713                      throw LinuxSamplerException("Unknown fill response type");                      throw LinuxSamplerException("Unknown fill response type");
714              }              }
# Line 703  String LSCPServer::GetAvailableAudioOutp Line 724  String LSCPServer::GetAvailableAudioOutp
724      dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));      dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));
725      LSCPResultSet result;      LSCPResultSet result;
726      try {      try {
727            int n = AudioOutputDeviceFactory::AvailableDrivers().size();
728            result.Add(n);
729        }
730        catch (LinuxSamplerException e) {
731            result.Error(e);
732        }
733        return result.Produce();
734    }
735    
736    String LSCPServer::ListAvailableAudioOutputDrivers() {
737        dmsg(2,("LSCPServer: ListAvailableAudioOutputDrivers()\n"));
738        LSCPResultSet result;
739        try {
740          String s = AudioOutputDeviceFactory::AvailableDriversAsString();          String s = AudioOutputDeviceFactory::AvailableDriversAsString();
741          result.Add(s);          result.Add(s);
742      }      }
# Line 716  String LSCPServer::GetAvailableMidiInput Line 750  String LSCPServer::GetAvailableMidiInput
750      dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));      dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));
751      LSCPResultSet result;      LSCPResultSet result;
752      try {      try {
753            int n = MidiInputDeviceFactory::AvailableDrivers().size();
754            result.Add(n);
755        }
756        catch (LinuxSamplerException e) {
757            result.Error(e);
758        }
759        return result.Produce();
760    }
761    
762    String LSCPServer::ListAvailableMidiInputDrivers() {
763        dmsg(2,("LSCPServer: ListAvailableMidiInputDrivers()\n"));
764        LSCPResultSet result;
765        try {
766          String s = MidiInputDeviceFactory::AvailableDriversAsString();          String s = MidiInputDeviceFactory::AvailableDriversAsString();
767          result.Add(s);          result.Add(s);
768      }      }
# Line 1143  String LSCPServer::SetAudioOutputChannel Line 1190  String LSCPServer::SetAudioOutputChannel
1190      try {      try {
1191          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1192          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1193          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1194          if (!pEngine) throw LinuxSamplerException("No engine deployed on sampler channel " + ToString(uiSamplerChannel));          if (!pEngineChannel) throw LinuxSamplerException("No engine type yet assigned to sampler channel " + ToString(uiSamplerChannel));
1195          if (!pSamplerChannel->GetAudioOutputDevice()) throw LinuxSamplerException("No audio output device connected to sampler channel " + ToString(uiSamplerChannel));          if (!pSamplerChannel->GetAudioOutputDevice()) throw LinuxSamplerException("No audio output device connected to sampler channel " + ToString(uiSamplerChannel));
1196          pEngine->SetOutputChannel(ChannelAudioOutputChannel, AudioOutputDeviceInputChannel);          pEngineChannel->SetOutputChannel(ChannelAudioOutputChannel, AudioOutputDeviceInputChannel);
1197      }      }
1198      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1199           result.Error(e);           result.Error(e);
# Line 1323  String LSCPServer::SetVolume(double dVol Line 1370  String LSCPServer::SetVolume(double dVol
1370      try {      try {
1371          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1372          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1373          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1374          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1375          pEngine->Volume(dVolume);          pEngineChannel->Volume(dVolume);
1376      }      }
1377      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1378           result.Error(e);           result.Error(e);
# Line 1342  String LSCPServer::ResetChannel(uint uiS Line 1389  String LSCPServer::ResetChannel(uint uiS
1389      try {      try {
1390          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1391          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1392          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1393          if (!pEngine) throw LinuxSamplerException("No engine loaded on sampler channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1394          pEngine->Reset();          pEngineChannel->GetEngine()->Reset();
1395      }      }
1396      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1397           result.Error(e);           result.Error(e);
# Line 1388  String LSCPServer::UnsubscribeNotificati Line 1435  String LSCPServer::UnsubscribeNotificati
1435      return result.Produce();      return result.Produce();
1436  }  }
1437    
1438    static int select_callback(void * lscpResultSet, int argc,
1439                            char **argv, char **azColName)
1440    {
1441        LSCPResultSet* resultSet = (LSCPResultSet*) lscpResultSet;
1442        resultSet->Add(argc, argv);
1443        return 0;
1444    }
1445    
1446    String LSCPServer::QueryDatabase(String query) {
1447        LSCPResultSet result;
1448    #if HAVE_SQLITE3
1449        char* zErrMsg = NULL;
1450        sqlite3 *db;
1451        String selectStr = "SELECT " + query;
1452    
1453        int rc = sqlite3_open("linuxsampler.db", &db);
1454        if (rc == SQLITE_OK)
1455        {
1456                rc = sqlite3_exec(db, selectStr.c_str(), select_callback, &result, &zErrMsg);
1457        }
1458        if ( rc != SQLITE_OK )
1459        {
1460                result.Error(String(zErrMsg), rc);
1461        }
1462        sqlite3_close(db);
1463    #else
1464        result.Error(String("SQLITE3 was not installed when linuxsampler was built. SELECT statement is not available."), 0);
1465    #endif
1466        return result.Produce();
1467    }
1468    
1469  /**  /**
1470   * Will be called by the parser to enable or disable echo mode; if echo   * Will be called by the parser to enable or disable echo mode; if echo
1471   * mode is enabled, all commands from the client will (immediately) be   * mode is enabled, all commands from the client will (immediately) be
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