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

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revision 1200 by iliev, Thu May 24 14:04:18 2007 UTC revision 1537 by senoner, Mon Dec 3 18:30:47 2007 UTC
# Line 25  Line 25 
25  #include "lscpresultset.h"  #include "lscpresultset.h"
26  #include "lscpevent.h"  #include "lscpevent.h"
27    
28    #if defined(WIN32)
29    #include <windows.h>
30    #else
31  #include <fcntl.h>  #include <fcntl.h>
32    #endif
33    
34  #if ! HAVE_SQLITE3  #if ! HAVE_SQLITE3
35  #define DOESNT_HAVE_SQLITE3 "No database support. SQLITE3 was not installed when linuxsampler was built."  #define DOESNT_HAVE_SQLITE3 "No database support. SQLITE3 was not installed when linuxsampler was built."
# Line 36  Line 40 
40  #include "../drivers/audio/AudioOutputDeviceFactory.h"  #include "../drivers/audio/AudioOutputDeviceFactory.h"
41  #include "../drivers/midi/MidiInputDeviceFactory.h"  #include "../drivers/midi/MidiInputDeviceFactory.h"
42    
43    
44    /**
45     * Returns a copy of the given string where all special characters are
46     * replaced by LSCP escape sequences ("\xHH"). This function shall be used
47     * to escape LSCP response fields in case the respective response field is
48     * actually defined as using escape sequences in the LSCP specs.
49     *
50     * @e Caution: DO NOT use this function for escaping path based responses,
51     * use the Path class (src/common/Path.h) for this instead!
52     */
53    static String _escapeLscpResponse(String txt) {
54        for (int i = 0; i < txt.length(); i++) {
55            const char c = txt.c_str()[i];
56            if (
57                !(c >= '0' && c <= '9') &&
58                !(c >= 'a' && c <= 'z') &&
59                !(c >= 'A' && c <= 'Z') &&
60                !(c == ' ') && !(c == '!') && !(c == '#') && !(c == '$') &&
61                !(c == '%') && !(c == '&') && !(c == '(') && !(c == ')') &&
62                !(c == '*') && !(c == '+') && !(c == ',') && !(c == '-') &&
63                !(c == '.') && !(c == '/') && !(c == ':') && !(c == ';') &&
64                !(c == '<') && !(c == '=') && !(c == '>') && !(c == '?') &&
65                !(c == '@') && !(c == '[') && !(c == ']') &&
66                !(c == '^') && !(c == '_') && !(c == '`') && !(c == '{') &&
67                !(c == '|') && !(c == '}') && !(c == '~')
68            ) {
69                // convert the "special" character into a "\xHH" LSCP escape sequence
70                char buf[5];
71                snprintf(buf, sizeof(buf), "\\x%02x", static_cast<unsigned char>(c));
72                txt.replace(i, 1, buf);
73                i += 3;
74            }
75        }
76        return txt;
77    }
78    
79  /**  /**
80   * Below are a few static members of the LSCPServer class.   * Below are a few static members of the LSCPServer class.
81   * The big assumption here is that LSCPServer is going to remain a singleton.   * The big assumption here is that LSCPServer is going to remain a singleton.
# Line 52  Line 92 
92  fd_set LSCPServer::fdSet;  fd_set LSCPServer::fdSet;
93  int LSCPServer::currentSocket = -1;  int LSCPServer::currentSocket = -1;
94  std::vector<yyparse_param_t> LSCPServer::Sessions = std::vector<yyparse_param_t>();  std::vector<yyparse_param_t> LSCPServer::Sessions = std::vector<yyparse_param_t>();
95    std::vector<yyparse_param_t>::iterator itCurrentSession = std::vector<yyparse_param_t>::iterator();
96  std::map<int,String> LSCPServer::bufferedNotifies = std::map<int,String>();  std::map<int,String> LSCPServer::bufferedNotifies = std::map<int,String>();
97  std::map<int,String> LSCPServer::bufferedCommands = std::map<int,String>();  std::map<int,String> LSCPServer::bufferedCommands = std::map<int,String>();
98  std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions = std::map< LSCPEvent::event_t, std::list<int> >();  std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions = std::map< LSCPEvent::event_t, std::list<int> >();
# Line 92  LSCPServer::LSCPServer(Sampler* pSampler Line 133  LSCPServer::LSCPServer(Sampler* pSampler
133  }  }
134    
135  LSCPServer::~LSCPServer() {  LSCPServer::~LSCPServer() {
136    #if defined(WIN32)
137        if (hSocket >= 0) closesocket(hSocket);
138    #else
139      if (hSocket >= 0) close(hSocket);      if (hSocket >= 0) close(hSocket);
140    #endif
141  }  }
142    
143  void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) {  void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) {
# Line 145  void LSCPServer::EventHandler::TotalVoic Line 190  void LSCPServer::EventHandler::TotalVoic
190    
191  #if HAVE_SQLITE3  #if HAVE_SQLITE3
192  void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) {  void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) {
193      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, Dir));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, InstrumentsDb::toEscapedPath(Dir)));
194  }  }
195    
196  void LSCPServer::DbInstrumentsEventHandler::DirectoryInfoChanged(String Dir) {  void LSCPServer::DbInstrumentsEventHandler::DirectoryInfoChanged(String Dir) {
197      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_info, Dir));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_info, InstrumentsDb::toEscapedPath(Dir)));
198  }  }
199    
200  void LSCPServer::DbInstrumentsEventHandler::DirectoryNameChanged(String Dir, String NewName) {  void LSCPServer::DbInstrumentsEventHandler::DirectoryNameChanged(String Dir, String NewName) {
201      Dir = "'" + Dir + "'";      Dir = "'" + InstrumentsDb::toEscapedPath(Dir) + "'";
202      NewName = "'" + NewName + "'";      NewName = "'" + InstrumentsDb::toEscapedPath(NewName) + "'";
203      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_info, "NAME", Dir, NewName));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_info, "NAME", Dir, NewName));
204  }  }
205    
206  void LSCPServer::DbInstrumentsEventHandler::InstrumentCountChanged(String Dir) {  void LSCPServer::DbInstrumentsEventHandler::InstrumentCountChanged(String Dir) {
207      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_count, Dir));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_count, InstrumentsDb::toEscapedPath(Dir)));
208  }  }
209    
210  void LSCPServer::DbInstrumentsEventHandler::InstrumentInfoChanged(String Instr) {  void LSCPServer::DbInstrumentsEventHandler::InstrumentInfoChanged(String Instr) {
211      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_info, Instr));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_info, InstrumentsDb::toEscapedPath(Instr)));
212  }  }
213    
214  void LSCPServer::DbInstrumentsEventHandler::InstrumentNameChanged(String Instr, String NewName) {  void LSCPServer::DbInstrumentsEventHandler::InstrumentNameChanged(String Instr, String NewName) {
215      Instr = "'" + Instr + "'";      Instr = "'" + InstrumentsDb::toEscapedPath(Instr) + "'";
216      NewName = "'" + NewName + "'";      NewName = "'" + InstrumentsDb::toEscapedPath(NewName) + "'";
217      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_info, "NAME", Instr, NewName));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_info, "NAME", Instr, NewName));
218  }  }
219    
# Line 193  int LSCPServer::WaitUntilInitialized(lon Line 238  int LSCPServer::WaitUntilInitialized(lon
238  }  }
239    
240  int LSCPServer::Main() {  int LSCPServer::Main() {
241            #if defined(WIN32)
242            WSADATA wsaData;
243            int iResult;
244            iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
245            if (iResult != 0) {
246                    std::cerr << "LSCPServer: WSAStartup failed: " << iResult << "\n";
247                    exit(EXIT_FAILURE);
248            }
249            #endif
250      hSocket = socket(AF_INET, SOCK_STREAM, 0);      hSocket = socket(AF_INET, SOCK_STREAM, 0);
251      if (hSocket < 0) {      if (hSocket < 0) {
252          std::cerr << "LSCPServer: Could not create server socket." << std::endl;          std::cerr << "LSCPServer: Could not create server socket." << std::endl;
# Line 206  int LSCPServer::Main() { Line 260  int LSCPServer::Main() {
260              if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {              if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {
261                  if (trial > LSCP_SERVER_BIND_TIMEOUT) {                  if (trial > LSCP_SERVER_BIND_TIMEOUT) {
262                      std::cerr << "gave up!" << std::endl;                      std::cerr << "gave up!" << std::endl;
263                        #if defined(WIN32)
264                        closesocket(hSocket);
265                        #else
266                      close(hSocket);                      close(hSocket);
267                        #endif
268                      //return -1;                      //return -1;
269                      exit(EXIT_FAILURE);                      exit(EXIT_FAILURE);
270                  }                  }
# Line 218  int LSCPServer::Main() { Line 276  int LSCPServer::Main() {
276    
277      listen(hSocket, 1);      listen(hSocket, 1);
278      Initialized.Set(true);      Initialized.Set(true);
279        
280      // Registering event listeners      // Registering event listeners
281      pSampler->AddChannelCountListener(&eventHandler);      pSampler->AddChannelCountListener(&eventHandler);
282      pSampler->AddAudioDeviceCountListener(&eventHandler);      pSampler->AddAudioDeviceCountListener(&eventHandler);
# Line 288  int LSCPServer::Main() { Line 346  int LSCPServer::Main() {
346                  continue; //Nothing try again                  continue; //Nothing try again
347          if (retval == -1) {          if (retval == -1) {
348                  std::cerr << "LSCPServer: Socket select error." << std::endl;                  std::cerr << "LSCPServer: Socket select error." << std::endl;
349                    #if defined(WIN32)
350                    closesocket(hSocket);
351                    #else
352                  close(hSocket);                  close(hSocket);
353                    #endif
354                  exit(EXIT_FAILURE);                  exit(EXIT_FAILURE);
355          }          }
356    
# Line 300  int LSCPServer::Main() { Line 362  int LSCPServer::Main() {
362                          exit(EXIT_FAILURE);                          exit(EXIT_FAILURE);
363                  }                  }
364    
365                    #if defined(WIN32)
366                    u_long nonblock_io = 1;
367                    if( ioctlsocket(socket, FIONBIO, &nonblock_io) ) {
368                      std::cerr << "LSCPServer: ioctlsocket: set FIONBIO failed. Error " << WSAGetLastError() << std::endl;
369                      exit(EXIT_FAILURE);
370                    }
371            #else
372                  if (fcntl(socket, F_SETFL, O_NONBLOCK)) {                  if (fcntl(socket, F_SETFL, O_NONBLOCK)) {
373                          std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl;                          std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl;
374                          exit(EXIT_FAILURE);                          exit(EXIT_FAILURE);
375                  }                  }
376                    #endif
377    
378                  // Parser initialization                  // Parser initialization
379                  yyparse_param_t yyparse_param;                  yyparse_param_t yyparse_param;
# Line 327  int LSCPServer::Main() { Line 397  int LSCPServer::Main() {
397                                  int dummy; // just a temporary hack to fulfill the restart() function prototype                                  int dummy; // just a temporary hack to fulfill the restart() function prototype
398                                  restart(NULL, dummy); // restart the 'scanner'                                  restart(NULL, dummy); // restart the 'scanner'
399                                  currentSocket = (*iter).hSession;  //a hack                                  currentSocket = (*iter).hSession;  //a hack
400                                    itCurrentSession = iter; // another hack
401                                  dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));                                  dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));
402                                  if ((*iter).bVerbose) { // if echo mode enabled                                  if ((*iter).bVerbose) { // if echo mode enabled
403                                      AnswerClient(bufferedCommands[currentSocket]);                                      AnswerClient(bufferedCommands[currentSocket]);
404                                  }                                  }
405                                  int result = yyparse(&(*iter));                                  int result = yyparse(&(*iter));
406                                  currentSocket = -1;     //continuation of a hack                                  currentSocket = -1;     //continuation of a hack
407                                    itCurrentSession = Sessions.end(); // hack as well
408                                  dmsg(3,("LSCPServer: Done parsing on socket %d.\n", currentSocket));                                  dmsg(3,("LSCPServer: Done parsing on socket %d.\n", currentSocket));
409                                  if (result == LSCP_QUIT) { //Was it a quit command by any chance?                                  if (result == LSCP_QUIT) { //Was it a quit command by any chance?
410                                          CloseConnection(iter);                                          CloseConnection(iter);
# Line 360  void LSCPServer::CloseConnection( std::v Line 432  void LSCPServer::CloseConnection( std::v
432          NotifyMutex.Lock();          NotifyMutex.Lock();
433          bufferedCommands.erase(socket);          bufferedCommands.erase(socket);
434          bufferedNotifies.erase(socket);          bufferedNotifies.erase(socket);
435            #if defined(WIN32)
436            closesocket(socket);
437            #else
438          close(socket);          close(socket);
439            #endif
440          NotifyMutex.Unlock();          NotifyMutex.Unlock();
441  }  }
442    
# Line 425  extern int GetLSCPCommand( void *buf, in Line 501  extern int GetLSCPCommand( void *buf, in
501          return command.size();          return command.size();
502  }  }
503    
504    extern yyparse_param_t* GetCurrentYaccSession() {
505        return &(*itCurrentSession);
506    }
507    
508  /**  /**
509   * Will be called to try to read the command from the socket   * Will be called to try to read the command from the socket
510   * If command is read, it will return true. Otherwise false is returned.   * If command is read, it will return true. Otherwise false is returned.
# Line 435  bool LSCPServer::GetLSCPCommand( std::ve Line 515  bool LSCPServer::GetLSCPCommand( std::ve
515          char c;          char c;
516          int i = 0;          int i = 0;
517          while (true) {          while (true) {
518                    #if defined(WIN32)
519                    int result = recv(socket, (char *)&c, 1, 0); //Read one character at a time for now
520                    #else
521                  int result = recv(socket, (void *)&c, 1, 0); //Read one character at a time for now                  int result = recv(socket, (void *)&c, 1, 0); //Read one character at a time for now
522                    #endif
523                  if (result == 0) { //socket was selected, so 0 here means client has closed the connection                  if (result == 0) { //socket was selected, so 0 here means client has closed the connection
524                          CloseConnection(iter);                          CloseConnection(iter);
525                          break;                          break;
# Line 450  bool LSCPServer::GetLSCPCommand( std::ve Line 534  bool LSCPServer::GetLSCPCommand( std::ve
534                          }                          }
535                          bufferedCommands[socket] += c;                          bufferedCommands[socket] += c;
536                  }                  }
537                    #if defined(WIN32)
538                    if (result == SOCKET_ERROR) {
539                        int wsa_lasterror = WSAGetLastError();
540                            if (wsa_lasterror == WSAEWOULDBLOCK) //Would block, try again later.
541                                    return false;
542                            dmsg(2,("LSCPScanner: Socket error after recv() Error %d.\n", wsa_lasterror));
543                            CloseConnection(iter);
544                            break;
545                    }
546                    #else
547                  if (result == -1) {                  if (result == -1) {
548                          if (errno == EAGAIN) //Would block, try again later.                          if (errno == EAGAIN) //Would block, try again later.
549                                  return false;                                  return false;
# Line 488  bool LSCPServer::GetLSCPCommand( std::ve Line 582  bool LSCPServer::GetLSCPCommand( std::ve
582                          CloseConnection(iter);                          CloseConnection(iter);
583                          break;                          break;
584                  }                  }
585                    #endif
586          }          }
587          return false;          return false;
588  }  }
# Line 612  EngineChannel* LSCPServer::GetEngineChan Line 707  EngineChannel* LSCPServer::GetEngineChan
707      EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();      EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
708      if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");      if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
709    
710      return pEngineChannel;              return pEngineChannel;
711  }  }
712    
713  /**  /**
# Line 761  String LSCPServer::GetEngineInfo(String Line 856  String LSCPServer::GetEngineInfo(String
856      LockRTNotify();      LockRTNotify();
857      try {      try {
858          Engine* pEngine = EngineFactory::Create(EngineName);          Engine* pEngine = EngineFactory::Create(EngineName);
859          result.Add("DESCRIPTION", pEngine->Description());          result.Add("DESCRIPTION", _escapeLscpResponse(pEngine->Description()));
860          result.Add("VERSION",     pEngine->Version());          result.Add("VERSION",     pEngine->Version());
861          EngineFactory::Destroy(pEngine);          EngineFactory::Destroy(pEngine);
862      }      }
# Line 834  String LSCPServer::GetChannelInfo(uint u Line 929  String LSCPServer::GetChannelInfo(uint u
929          if (pSamplerChannel->GetMidiInputChannel() == midi_chan_all) result.Add("MIDI_INPUT_CHANNEL", "ALL");          if (pSamplerChannel->GetMidiInputChannel() == midi_chan_all) result.Add("MIDI_INPUT_CHANNEL", "ALL");
930          else result.Add("MIDI_INPUT_CHANNEL", pSamplerChannel->GetMidiInputChannel());          else result.Add("MIDI_INPUT_CHANNEL", pSamplerChannel->GetMidiInputChannel());
931    
932            // convert the filename into the correct encoding as defined for LSCP
933            // (especially in terms of special characters -> escape sequences)
934            if (InstrumentFileName != "NONE" && InstrumentFileName != "") {
935    #if WIN32
936                InstrumentFileName = Path::fromWindows(InstrumentFileName).toLscp();
937    #else
938                // assuming POSIX
939                InstrumentFileName = Path::fromPosix(InstrumentFileName).toLscp();
940    #endif
941            }
942    
943          result.Add("INSTRUMENT_FILE", InstrumentFileName);          result.Add("INSTRUMENT_FILE", InstrumentFileName);
944          result.Add("INSTRUMENT_NR", InstrumentIndex);          result.Add("INSTRUMENT_NR", InstrumentIndex);
945          result.Add("INSTRUMENT_NAME", InstrumentName);          result.Add("INSTRUMENT_NAME", _escapeLscpResponse(InstrumentName));
946          result.Add("INSTRUMENT_STATUS", InstrumentStatus);          result.Add("INSTRUMENT_STATUS", InstrumentStatus);
947          result.Add("MUTE", Mute == -1 ? "MUTED_BY_SOLO" : (Mute ? "true" : "false"));          result.Add("MUTE", Mute == -1 ? "MUTED_BY_SOLO" : (Mute ? "true" : "false"));
948          result.Add("SOLO", Solo);          result.Add("SOLO", Solo);
# Line 1778  String LSCPServer::GetMidiInstrumentMapp Line 1884  String LSCPServer::GetMidiInstrumentMapp
1884          std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t>::iterator iter = mappings.find(idx);          std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t>::iterator iter = mappings.find(idx);
1885          if (iter == mappings.end()) result.Error("there is no map entry with that index");          if (iter == mappings.end()) result.Error("there is no map entry with that index");
1886          else { // found          else { // found
1887              result.Add("NAME", iter->second.Name);  
1888                // convert the filename into the correct encoding as defined for LSCP
1889                // (especially in terms of special characters -> escape sequences)
1890    #if WIN32
1891                const String instrumentFileName = Path::fromWindows(iter->second.InstrumentFile).toLscp();
1892    #else
1893                // assuming POSIX
1894                const String instrumentFileName = Path::fromPosix(iter->second.InstrumentFile).toLscp();
1895    #endif
1896    
1897                result.Add("NAME", _escapeLscpResponse(iter->second.Name));
1898              result.Add("ENGINE_NAME", iter->second.EngineName);              result.Add("ENGINE_NAME", iter->second.EngineName);
1899              result.Add("INSTRUMENT_FILE", iter->second.InstrumentFile);              result.Add("INSTRUMENT_FILE", instrumentFileName);
1900              result.Add("INSTRUMENT_NR", (int) iter->second.InstrumentIndex);              result.Add("INSTRUMENT_NR", (int) iter->second.InstrumentIndex);
1901              String instrumentName;              String instrumentName;
1902              Engine* pEngine = EngineFactory::Create(iter->second.EngineName);              Engine* pEngine = EngineFactory::Create(iter->second.EngineName);
# Line 1793  String LSCPServer::GetMidiInstrumentMapp Line 1909  String LSCPServer::GetMidiInstrumentMapp
1909                  }                  }
1910                  EngineFactory::Destroy(pEngine);                  EngineFactory::Destroy(pEngine);
1911              }              }
1912              result.Add("INSTRUMENT_NAME", instrumentName);              result.Add("INSTRUMENT_NAME", _escapeLscpResponse(instrumentName));
1913              switch (iter->second.LoadMode) {              switch (iter->second.LoadMode) {
1914                  case MidiInstrumentMapper::ON_DEMAND:                  case MidiInstrumentMapper::ON_DEMAND:
1915                      result.Add("LOAD_MODE", "ON_DEMAND");                      result.Add("LOAD_MODE", "ON_DEMAND");
# Line 1948  String LSCPServer::GetMidiInstrumentMap( Line 2064  String LSCPServer::GetMidiInstrumentMap(
2064      dmsg(2,("LSCPServer: GetMidiInstrumentMap()\n"));      dmsg(2,("LSCPServer: GetMidiInstrumentMap()\n"));
2065      LSCPResultSet result;      LSCPResultSet result;
2066      try {      try {
2067          result.Add("NAME", MidiInstrumentMapper::MapName(MidiMapID));          result.Add("NAME", _escapeLscpResponse(MidiInstrumentMapper::MapName(MidiMapID)));
2068          result.Add("DEFAULT", MidiInstrumentMapper::GetDefaultMap() == MidiMapID);          result.Add("DEFAULT", MidiInstrumentMapper::GetDefaultMap() == MidiMapID);
2069      } catch (Exception e) {      } catch (Exception e) {
2070          result.Error(e);          result.Error(e);
# Line 1999  String LSCPServer::CreateFxSend(uint uiS Line 2115  String LSCPServer::CreateFxSend(uint uiS
2115      LSCPResultSet result;      LSCPResultSet result;
2116      try {      try {
2117          EngineChannel* pEngineChannel = GetEngineChannel(uiSamplerChannel);          EngineChannel* pEngineChannel = GetEngineChannel(uiSamplerChannel);
2118            
2119          FxSend* pFxSend = pEngineChannel->AddFxSend(MidiCtrl, Name);          FxSend* pFxSend = pEngineChannel->AddFxSend(MidiCtrl, Name);
2120          if (!pFxSend) throw Exception("Could not add FxSend, don't ask, I don't know why (probably a bug)");          if (!pFxSend) throw Exception("Could not add FxSend, don't ask, I don't know why (probably a bug)");
2121    
# Line 2083  String LSCPServer::GetFxSendInfo(uint ui Line 2199  String LSCPServer::GetFxSendInfo(uint ui
2199      try {      try {
2200          EngineChannel* pEngineChannel = GetEngineChannel(uiSamplerChannel);          EngineChannel* pEngineChannel = GetEngineChannel(uiSamplerChannel);
2201          FxSend* pFxSend = GetFxSend(uiSamplerChannel, FxSendID);          FxSend* pFxSend = GetFxSend(uiSamplerChannel, FxSendID);
2202            
2203          // gather audio routing informations          // gather audio routing informations
2204          String AudioRouting;          String AudioRouting;
2205          for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {          for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {
# Line 2092  String LSCPServer::GetFxSendInfo(uint ui Line 2208  String LSCPServer::GetFxSendInfo(uint ui
2208          }          }
2209    
2210          // success          // success
2211          result.Add("NAME", pFxSend->Name());          result.Add("NAME", _escapeLscpResponse(pFxSend->Name()));
2212          result.Add("MIDI_CONTROLLER", pFxSend->MidiController());          result.Add("MIDI_CONTROLLER", pFxSend->MidiController());
2213          result.Add("LEVEL", ToString(pFxSend->Level()));          result.Add("LEVEL", ToString(pFxSend->Level()));
2214          result.Add("AUDIO_OUTPUT_ROUTING", AudioRouting);          result.Add("AUDIO_OUTPUT_ROUTING", AudioRouting);
# Line 2158  String LSCPServer::SetFxSendLevel(uint u Line 2274  String LSCPServer::SetFxSendLevel(uint u
2274      return result.Produce();      return result.Produce();
2275  }  }
2276    
2277    String LSCPServer::EditSamplerChannelInstrument(uint uiSamplerChannel) {
2278        dmsg(2,("LSCPServer: EditSamplerChannelInstrument(SamplerChannel=%d)\n", uiSamplerChannel));
2279        LSCPResultSet result;
2280        try {
2281            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2282            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2283            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2284            if (!pEngineChannel) throw Exception("No engine type assigned to sampler channel");
2285            if (pEngineChannel->InstrumentStatus() < 0) throw Exception("No instrument loaded to sampler channel");
2286            Engine* pEngine = pEngineChannel->GetEngine();
2287            InstrumentManager* pInstrumentManager = pEngine->GetInstrumentManager();
2288            if (!pInstrumentManager) throw Exception("Engine does not provide an instrument manager");
2289            InstrumentManager::instrument_id_t instrumentID;
2290            instrumentID.FileName = pEngineChannel->InstrumentFileName();
2291            instrumentID.Index    = pEngineChannel->InstrumentIndex();
2292            pInstrumentManager->LaunchInstrumentEditor(instrumentID);
2293        } catch (Exception e) {
2294            result.Error(e);
2295        }
2296        return result.Produce();
2297    }
2298    
2299  /**  /**
2300   * Will be called by the parser to reset a particular sampler channel.   * Will be called by the parser to reset a particular sampler channel.
2301   */   */
# Line 2193  String LSCPServer::ResetSampler() { Line 2331  String LSCPServer::ResetSampler() {
2331   */   */
2332  String LSCPServer::GetServerInfo() {  String LSCPServer::GetServerInfo() {
2333      dmsg(2,("LSCPServer: GetServerInfo()\n"));      dmsg(2,("LSCPServer: GetServerInfo()\n"));
2334        const std::string description =
2335            _escapeLscpResponse("LinuxSampler - modular, streaming capable sampler");
2336      LSCPResultSet result;      LSCPResultSet result;
2337      result.Add("DESCRIPTION", "LinuxSampler - modular, streaming capable sampler");      result.Add("DESCRIPTION", description);
2338      result.Add("VERSION", VERSION);      result.Add("VERSION", VERSION);
2339      result.Add("PROTOCOL_VERSION", ToString(LSCP_RELEASE_MAJOR) + "." + ToString(LSCP_RELEASE_MINOR));      result.Add("PROTOCOL_VERSION", ToString(LSCP_RELEASE_MAJOR) + "." + ToString(LSCP_RELEASE_MINOR));
2340  #if HAVE_SQLITE3  #if HAVE_SQLITE3
# Line 2202  String LSCPServer::GetServerInfo() { Line 2342  String LSCPServer::GetServerInfo() {
2342  #else  #else
2343      result.Add("INSTRUMENTS_DB_SUPPORT", "no");      result.Add("INSTRUMENTS_DB_SUPPORT", "no");
2344  #endif  #endif
2345        
2346      return result.Produce();      return result.Produce();
2347  }  }
2348    
# Line 2244  String LSCPServer::SetGlobalVolume(doubl Line 2384  String LSCPServer::SetGlobalVolume(doubl
2384      return result.Produce();      return result.Produce();
2385  }  }
2386    
2387    String LSCPServer::GetFileInstruments(String Filename) {
2388        dmsg(2,("LSCPServer: GetFileInstruments(String Filename=%s)\n",Filename.c_str()));
2389        LSCPResultSet result;
2390        try {
2391            VerifyFile(Filename);
2392        } catch (Exception e) {
2393            result.Error(e);
2394            return result.Produce();
2395        }
2396        // try to find a sampler engine that can handle the file
2397        bool bFound = false;
2398        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2399        for (int i = 0; !bFound && i < engineTypes.size(); i++) {
2400            Engine* pEngine = NULL;
2401            try {
2402                pEngine = EngineFactory::Create(engineTypes[i]);
2403                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2404                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2405                if (pManager) {
2406                    std::vector<InstrumentManager::instrument_id_t> IDs =
2407                        pManager->GetInstrumentFileContent(Filename);
2408                    // return the amount of instruments in the file
2409                    result.Add(IDs.size());
2410                    // no more need to ask other engine types
2411                    bFound = true;
2412                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2413            } catch (Exception e) {
2414                // NOOP, as exception is thrown if engine doesn't support file
2415            }
2416            if (pEngine) EngineFactory::Destroy(pEngine);
2417        }
2418    
2419        if (!bFound) result.Error("Unknown file format");
2420        return result.Produce();
2421    }
2422    
2423    String LSCPServer::ListFileInstruments(String Filename) {
2424        dmsg(2,("LSCPServer: ListFileInstruments(String Filename=%s)\n",Filename.c_str()));
2425        LSCPResultSet result;
2426        try {
2427            VerifyFile(Filename);
2428        } catch (Exception e) {
2429            result.Error(e);
2430            return result.Produce();
2431        }
2432        // try to find a sampler engine that can handle the file
2433        bool bFound = false;
2434        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2435        for (int i = 0; !bFound && i < engineTypes.size(); i++) {
2436            Engine* pEngine = NULL;
2437            try {
2438                pEngine = EngineFactory::Create(engineTypes[i]);
2439                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2440                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2441                if (pManager) {
2442                    std::vector<InstrumentManager::instrument_id_t> IDs =
2443                        pManager->GetInstrumentFileContent(Filename);
2444                    // return a list of IDs of the instruments in the file
2445                    String s;
2446                    for (int j = 0; j < IDs.size(); j++) {
2447                        if (s.size()) s += ",";
2448                        s += ToString(IDs[j].Index);
2449                    }
2450                    result.Add(s);
2451                    // no more need to ask other engine types
2452                    bFound = true;
2453                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2454            } catch (Exception e) {
2455                // NOOP, as exception is thrown if engine doesn't support file
2456            }
2457            if (pEngine) EngineFactory::Destroy(pEngine);
2458        }
2459    
2460        if (!bFound) result.Error("Unknown file format");
2461        return result.Produce();
2462    }
2463    
2464    String LSCPServer::GetFileInstrumentInfo(String Filename, uint InstrumentID) {
2465        dmsg(2,("LSCPServer: GetFileInstrumentInfo(String Filename=%s, InstrumentID=%d)\n",Filename.c_str(),InstrumentID));
2466        LSCPResultSet result;
2467        try {
2468            VerifyFile(Filename);
2469        } catch (Exception e) {
2470            result.Error(e);
2471            return result.Produce();
2472        }
2473        InstrumentManager::instrument_id_t id;
2474        id.FileName = Filename;
2475        id.Index    = InstrumentID;
2476        // try to find a sampler engine that can handle the file
2477        bool bFound = false;
2478        bool bFatalErr = false;
2479        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2480        for (int i = 0; !bFound && !bFatalErr && i < engineTypes.size(); i++) {
2481            Engine* pEngine = NULL;
2482            try {
2483                pEngine = EngineFactory::Create(engineTypes[i]);
2484                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2485                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2486                if (pManager) {
2487                    // check if the instrument index is valid
2488                    // FIXME: this won't work if an engine only supports parts of the instrument file
2489                    std::vector<InstrumentManager::instrument_id_t> IDs =
2490                        pManager->GetInstrumentFileContent(Filename);
2491                    if (std::find(IDs.begin(), IDs.end(), id) == IDs.end()) {
2492                        std::stringstream ss;
2493                        ss << "Invalid instrument index " << InstrumentID << " for instrument file '" << Filename << "'";
2494                        bFatalErr = true;
2495                        throw Exception(ss.str());
2496                    }
2497                    // get the info of the requested instrument
2498                    InstrumentManager::instrument_info_t info =
2499                        pManager->GetInstrumentInfo(id);
2500                    // return detailed informations about the file
2501                    result.Add("NAME", info.InstrumentName);
2502                    result.Add("FORMAT_FAMILY", engineTypes[i]);
2503                    result.Add("FORMAT_VERSION", info.FormatVersion);
2504                    result.Add("PRODUCT", info.Product);
2505                    result.Add("ARTISTS", info.Artists);
2506                    // no more need to ask other engine types
2507                    bFound = true;
2508                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2509            } catch (Exception e) {
2510                // usually NOOP, as exception is thrown if engine doesn't support file
2511                if (bFatalErr) result.Error(e);
2512            }
2513            if (pEngine) EngineFactory::Destroy(pEngine);
2514        }
2515    
2516        if (!bFound && !bFatalErr) result.Error("Unknown file format");
2517        return result.Produce();
2518    }
2519    
2520    void LSCPServer::VerifyFile(String Filename) {
2521        #if WIN32
2522        WIN32_FIND_DATA win32FileAttributeData;
2523        BOOL res = GetFileAttributesEx( Filename.c_str(), GetFileExInfoStandard, &win32FileAttributeData );
2524        if (!res) {
2525            std::stringstream ss;
2526            ss << "File does not exist, GetFileAttributesEx failed `" << Filename << "`: Error " << GetLastError();
2527            throw Exception(ss.str());
2528        }
2529        if ( win32FileAttributeData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) {
2530            throw Exception("Directory is specified");
2531        }
2532        #else    
2533        struct stat statBuf;
2534        int res = stat(Filename.c_str(), &statBuf);
2535        if (res) {
2536            std::stringstream ss;
2537            ss << "Fail to stat `" << Filename << "`: " << strerror(errno);
2538            throw Exception(ss.str());
2539        }
2540    
2541        if (S_ISDIR(statBuf.st_mode)) {
2542            throw Exception("Directory is specified");
2543        }
2544        #endif
2545    }
2546    
2547  /**  /**
2548   * Will be called by the parser to subscribe a client (frontend) on the   * Will be called by the parser to subscribe a client (frontend) on the
2549   * server for receiving event messages.   * server for receiving event messages.
# Line 2325  String LSCPServer::GetDbInstrumentDirect Line 2625  String LSCPServer::GetDbInstrumentDirect
2625    
2626          for (int i = 0; i < dirs->size(); i++) {          for (int i = 0; i < dirs->size(); i++) {
2627              if (list != "") list += ",";              if (list != "") list += ",";
2628              list += "'" + dirs->at(i) + "'";              list += "'" + InstrumentsDb::toEscapedPath(dirs->at(i)) + "'";
2629          }          }
2630    
2631          result.Add(list);          result.Add(list);
# Line 2345  String LSCPServer::GetDbInstrumentDirect Line 2645  String LSCPServer::GetDbInstrumentDirect
2645      try {      try {
2646          DbDirectory info = InstrumentsDb::GetInstrumentsDb()->GetDirectoryInfo(Dir);          DbDirectory info = InstrumentsDb::GetInstrumentsDb()->GetDirectoryInfo(Dir);
2647    
2648          result.Add("DESCRIPTION", info.Description);          result.Add("DESCRIPTION", _escapeLscpResponse(info.Description));
2649          result.Add("CREATED", info.Created);          result.Add("CREATED", info.Created);
2650          result.Add("MODIFIED", info.Modified);          result.Add("MODIFIED", info.Modified);
2651      } catch (Exception e) {      } catch (Exception e) {
# Line 2451  String LSCPServer::AddDbInstruments(Stri Line 2751  String LSCPServer::AddDbInstruments(Stri
2751          } else {          } else {
2752              throw Exception("Unknown scan mode: " + ScanMode);              throw Exception("Unknown scan mode: " + ScanMode);
2753          }          }
2754            
2755          if (bBackground) result = id;          if (bBackground) result = id;
2756      } catch (Exception e) {      } catch (Exception e) {
2757           result.Error(e);           result.Error(e);
# Line 2502  String LSCPServer::GetDbInstruments(Stri Line 2802  String LSCPServer::GetDbInstruments(Stri
2802    
2803          for (int i = 0; i < instrs->size(); i++) {          for (int i = 0; i < instrs->size(); i++) {
2804              if (list != "") list += ",";              if (list != "") list += ",";
2805              list += "'" + instrs->at(i) + "'";              list += "'" + InstrumentsDb::toEscapedPath(instrs->at(i)) + "'";
2806          }          }
2807    
2808          result.Add(list);          result.Add(list);
# Line 2529  String LSCPServer::GetDbInstrumentInfo(S Line 2829  String LSCPServer::GetDbInstrumentInfo(S
2829          result.Add("SIZE", (int)info.Size);          result.Add("SIZE", (int)info.Size);
2830          result.Add("CREATED", info.Created);          result.Add("CREATED", info.Created);
2831          result.Add("MODIFIED", info.Modified);          result.Add("MODIFIED", info.Modified);
2832          result.Add("DESCRIPTION", FilterEndlines(info.Description));          result.Add("DESCRIPTION", _escapeLscpResponse(info.Description));
2833          result.Add("IS_DRUM", info.IsDrum);          result.Add("IS_DRUM", info.IsDrum);
2834          result.Add("PRODUCT", FilterEndlines(info.Product));          result.Add("PRODUCT", _escapeLscpResponse(info.Product));
2835          result.Add("ARTISTS", FilterEndlines(info.Artists));          result.Add("ARTISTS", _escapeLscpResponse(info.Artists));
2836          result.Add("KEYWORDS", FilterEndlines(info.Keywords));          result.Add("KEYWORDS", _escapeLscpResponse(info.Keywords));
2837      } catch (Exception e) {      } catch (Exception e) {
2838           result.Error(e);           result.Error(e);
2839      }      }
# Line 2650  String LSCPServer::FindDbInstrumentDirec Line 2950  String LSCPServer::FindDbInstrumentDirec
2950    
2951          for (int i = 0; i < pDirectories->size(); i++) {          for (int i = 0; i < pDirectories->size(); i++) {
2952              if (list != "") list += ",";              if (list != "") list += ",";
2953              list += "'" + pDirectories->at(i) + "'";              list += "'" + InstrumentsDb::toEscapedPath(pDirectories->at(i)) + "'";
2954          }          }
2955    
2956          result.Add(list);          result.Add(list);
# Line 2706  String LSCPServer::FindDbInstruments(Str Line 3006  String LSCPServer::FindDbInstruments(Str
3006    
3007          for (int i = 0; i < pInstruments->size(); i++) {          for (int i = 0; i < pInstruments->size(); i++) {
3008              if (list != "") list += ",";              if (list != "") list += ",";
3009              list += "'" + pInstruments->at(i) + "'";              list += "'" + InstrumentsDb::toEscapedPath(pInstruments->at(i)) + "'";
3010          }          }
3011    
3012          result.Add(list);          result.Add(list);
# Line 2719  String LSCPServer::FindDbInstruments(Str Line 3019  String LSCPServer::FindDbInstruments(Str
3019      return result.Produce();      return result.Produce();
3020  }  }
3021    
3022    String LSCPServer::FormatInstrumentsDb() {
3023        dmsg(2,("LSCPServer: FormatInstrumentsDb()\n"));
3024        LSCPResultSet result;
3025    #if HAVE_SQLITE3
3026        try {
3027            InstrumentsDb::GetInstrumentsDb()->Format();
3028        } catch (Exception e) {
3029             result.Error(e);
3030        }
3031    #else
3032        result.Error(String(DOESNT_HAVE_SQLITE3), 0);
3033    #endif
3034        return result.Produce();
3035    }
3036    
3037    
3038  /**  /**
3039   * 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
# Line 2738  String LSCPServer::SetEcho(yyparse_param Line 3053  String LSCPServer::SetEcho(yyparse_param
3053      }      }
3054      return result.Produce();      return result.Produce();
3055  }  }
   
 String LSCPServer::FilterEndlines(String s) {  
     String s2 = s;  
     for (int i = 0; i < s2.length(); i++) {  
         if (s2.at(i) == '\r') s2.at(i) = ' ';  
         else if (s2.at(i) == '\n') s2.at(i) = ' ';  
     }  
       
     return s2;  
 }  
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