/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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revision 1537 by senoner, Mon Dec 3 18:30:47 2007 UTC revision 1724 by schoenebeck, Tue Apr 22 08:52:54 2008 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 - 2007 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 21  Line 21 
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
23    
24    #include <algorithm>
25    
26  #include "lscpserver.h"  #include "lscpserver.h"
27  #include "lscpresultset.h"  #include "lscpresultset.h"
28  #include "lscpevent.h"  #include "lscpevent.h"
# Line 101  Mutex LSCPServer::NotifyBufferMutex = Mu Line 103  Mutex LSCPServer::NotifyBufferMutex = Mu
103  Mutex LSCPServer::SubscriptionMutex = Mutex();  Mutex LSCPServer::SubscriptionMutex = Mutex();
104  Mutex LSCPServer::RTNotifyMutex = Mutex();  Mutex LSCPServer::RTNotifyMutex = Mutex();
105    
106  LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4) {  LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4), eventHandler(this) {
107      SocketAddress.sin_family      = AF_INET;      SocketAddress.sin_family      = AF_INET;
108      SocketAddress.sin_addr.s_addr = addr;      SocketAddress.sin_addr.s_addr = addr;
109      SocketAddress.sin_port        = port;      SocketAddress.sin_port        = port;
# Line 127  LSCPServer::LSCPServer(Sampler* pSampler Line 129  LSCPServer::LSCPServer(Sampler* pSampler
129      LSCPEvent::RegisterEvent(LSCPEvent::event_db_instr_info, "DB_INSTRUMENT_INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_db_instr_info, "DB_INSTRUMENT_INFO");
130      LSCPEvent::RegisterEvent(LSCPEvent::event_db_instrs_job_info, "DB_INSTRUMENTS_JOB_INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_db_instrs_job_info, "DB_INSTRUMENTS_JOB_INFO");
131      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");
132        LSCPEvent::RegisterEvent(LSCPEvent::event_total_stream_count, "TOTAL_STREAM_COUNT");
133      LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");
134      LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO");
135        LSCPEvent::RegisterEvent(LSCPEvent::event_channel_midi, "CHANNEL_MIDI");
136        LSCPEvent::RegisterEvent(LSCPEvent::event_device_midi, "DEVICE_MIDI");
137      hSocket = -1;      hSocket = -1;
138  }  }
139    
# Line 140  LSCPServer::~LSCPServer() { Line 145  LSCPServer::~LSCPServer() {
145  #endif  #endif
146  }  }
147    
148    LSCPServer::EventHandler::EventHandler(LSCPServer* pParent) {
149        this->pParent = pParent;
150    }
151    
152    LSCPServer::EventHandler::~EventHandler() {
153        std::vector<midi_listener_entry> l = channelMidiListeners;
154        channelMidiListeners.clear();
155        for (int i = 0; i < l.size(); i++)
156            delete l[i].pMidiListener;
157    }
158    
159  void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) {  void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) {
160      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, NewCount));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, NewCount));
161  }  }
162    
163    void LSCPServer::EventHandler::ChannelAdded(SamplerChannel* pChannel) {
164        pChannel->AddEngineChangeListener(this);
165    }
166    
167    void LSCPServer::EventHandler::ChannelToBeRemoved(SamplerChannel* pChannel) {
168        if (!pChannel->GetEngineChannel()) return;
169        EngineToBeChanged(pChannel->Index());
170    }
171    
172    void LSCPServer::EventHandler::EngineToBeChanged(int ChannelId) {
173        SamplerChannel* pSamplerChannel =
174            pParent->pSampler->GetSamplerChannel(ChannelId);
175        if (!pSamplerChannel) return;
176        EngineChannel* pEngineChannel =
177            pSamplerChannel->GetEngineChannel();
178        if (!pEngineChannel) return;
179        for (std::vector<midi_listener_entry>::iterator iter = channelMidiListeners.begin(); iter != channelMidiListeners.end(); ++iter) {
180            if ((*iter).pEngineChannel == pEngineChannel) {
181                VirtualMidiDevice* pMidiListener = (*iter).pMidiListener;
182                pEngineChannel->Disconnect(pMidiListener);
183                channelMidiListeners.erase(iter);
184                delete pMidiListener;
185                return;
186            }
187        }
188    }
189    
190    void LSCPServer::EventHandler::EngineChanged(int ChannelId) {
191        SamplerChannel* pSamplerChannel =
192            pParent->pSampler->GetSamplerChannel(ChannelId);
193        if (!pSamplerChannel) return;
194        EngineChannel* pEngineChannel =
195            pSamplerChannel->GetEngineChannel();
196        if (!pEngineChannel) return;
197        VirtualMidiDevice* pMidiListener = new VirtualMidiDevice;
198        pEngineChannel->Connect(pMidiListener);
199        midi_listener_entry entry = {
200            pSamplerChannel, pEngineChannel, pMidiListener
201        };
202        channelMidiListeners.push_back(entry);
203    }
204    
205  void LSCPServer::EventHandler::AudioDeviceCountChanged(int NewCount) {  void LSCPServer::EventHandler::AudioDeviceCountChanged(int NewCount) {
206      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, NewCount));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, NewCount));
207  }  }
# Line 152  void LSCPServer::EventHandler::MidiDevic Line 210  void LSCPServer::EventHandler::MidiDevic
210      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_count, NewCount));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_count, NewCount));
211  }  }
212    
213    void LSCPServer::EventHandler::MidiDeviceToBeDestroyed(MidiInputDevice* pDevice) {
214        pDevice->RemoveMidiPortCountListener(this);
215        for (int i = 0; i < pDevice->PortCount(); ++i)
216            MidiPortToBeRemoved(pDevice->GetPort(i));
217    }
218    
219    void LSCPServer::EventHandler::MidiDeviceCreated(MidiInputDevice* pDevice) {
220        pDevice->AddMidiPortCountListener(this);
221        for (int i = 0; i < pDevice->PortCount(); ++i)
222            MidiPortAdded(pDevice->GetPort(i));
223    }
224    
225    void LSCPServer::EventHandler::MidiPortCountChanged(int NewCount) {
226        // yet unused
227    }
228    
229    void LSCPServer::EventHandler::MidiPortToBeRemoved(MidiInputPort* pPort) {
230        for (std::vector<device_midi_listener_entry>::iterator iter = deviceMidiListeners.begin(); iter != deviceMidiListeners.end(); ++iter) {
231            if ((*iter).pPort == pPort) {
232                VirtualMidiDevice* pMidiListener = (*iter).pMidiListener;
233                pPort->Disconnect(pMidiListener);
234                deviceMidiListeners.erase(iter);
235                delete pMidiListener;
236                return;
237            }
238        }
239    }
240    
241    void LSCPServer::EventHandler::MidiPortAdded(MidiInputPort* pPort) {
242        // find out the device ID
243        std::map<uint, MidiInputDevice*> devices =
244            pParent->pSampler->GetMidiInputDevices();
245        for (
246            std::map<uint, MidiInputDevice*>::iterator iter = devices.begin();
247            iter != devices.end(); ++iter
248        ) {
249            if (iter->second == pPort->GetDevice()) { // found
250                VirtualMidiDevice* pMidiListener = new VirtualMidiDevice;
251                pPort->Connect(pMidiListener);
252                device_midi_listener_entry entry = {
253                    pPort, pMidiListener, iter->first
254                };
255                deviceMidiListeners.push_back(entry);
256                return;
257            }
258        }
259    }
260    
261  void LSCPServer::EventHandler::MidiInstrumentCountChanged(int MapId, int NewCount) {  void LSCPServer::EventHandler::MidiInstrumentCountChanged(int MapId, int NewCount) {
262      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_count, MapId, NewCount));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_count, MapId, NewCount));
263  }  }
# Line 188  void LSCPServer::EventHandler::TotalVoic Line 294  void LSCPServer::EventHandler::TotalVoic
294      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, NewCount));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, NewCount));
295  }  }
296    
297    void LSCPServer::EventHandler::TotalStreamCountChanged(int NewCount) {
298        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_stream_count, NewCount));
299    }
300    
301  #if HAVE_SQLITE3  #if HAVE_SQLITE3
302  void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) {  void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) {
303      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, InstrumentsDb::toEscapedPath(Dir)));      LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, InstrumentsDb::toEscapedPath(Dir)));
# Line 284  int LSCPServer::Main() { Line 394  int LSCPServer::Main() {
394      pSampler->AddVoiceCountListener(&eventHandler);      pSampler->AddVoiceCountListener(&eventHandler);
395      pSampler->AddStreamCountListener(&eventHandler);      pSampler->AddStreamCountListener(&eventHandler);
396      pSampler->AddBufferFillListener(&eventHandler);      pSampler->AddBufferFillListener(&eventHandler);
397        pSampler->AddTotalStreamCountListener(&eventHandler);
398      pSampler->AddTotalVoiceCountListener(&eventHandler);      pSampler->AddTotalVoiceCountListener(&eventHandler);
399      pSampler->AddFxSendCountListener(&eventHandler);      pSampler->AddFxSendCountListener(&eventHandler);
400      MidiInstrumentMapper::AddMidiInstrumentCountListener(&eventHandler);      MidiInstrumentMapper::AddMidiInstrumentCountListener(&eventHandler);
# Line 303  int LSCPServer::Main() { Line 414  int LSCPServer::Main() {
414      timeval timeout;      timeval timeout;
415    
416      while (true) {      while (true) {
417            #if CONFIG_PTHREAD_TESTCANCEL
418                    TestCancel();
419            #endif
420          // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers          // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers
421          {          {
422              std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();              std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
# Line 324  int LSCPServer::Main() { Line 438  int LSCPServer::Main() {
438              }              }
439          }          }
440    
441            // check if MIDI data arrived on some engine channel
442            for (int i = 0; i < eventHandler.channelMidiListeners.size(); ++i) {
443                const EventHandler::midi_listener_entry entry =
444                    eventHandler.channelMidiListeners[i];
445                VirtualMidiDevice* pMidiListener = entry.pMidiListener;
446                if (pMidiListener->NotesChanged()) {
447                    for (int iNote = 0; iNote < 128; iNote++) {
448                        if (pMidiListener->NoteChanged(iNote)) {
449                            const bool bActive = pMidiListener->NoteIsActive(iNote);
450                            LSCPServer::SendLSCPNotify(
451                                LSCPEvent(
452                                    LSCPEvent::event_channel_midi,
453                                    entry.pSamplerChannel->Index(),
454                                    std::string(bActive ? "NOTE_ON" : "NOTE_OFF"),
455                                    iNote,
456                                    bActive ? pMidiListener->NoteOnVelocity(iNote)
457                                            : pMidiListener->NoteOffVelocity(iNote)
458                                )
459                            );
460                        }
461                    }
462                }
463            }
464    
465            // check if MIDI data arrived on some MIDI device
466            for (int i = 0; i < eventHandler.deviceMidiListeners.size(); ++i) {
467                const EventHandler::device_midi_listener_entry entry =
468                    eventHandler.deviceMidiListeners[i];
469                VirtualMidiDevice* pMidiListener = entry.pMidiListener;
470                if (pMidiListener->NotesChanged()) {
471                    for (int iNote = 0; iNote < 128; iNote++) {
472                        if (pMidiListener->NoteChanged(iNote)) {
473                            const bool bActive = pMidiListener->NoteIsActive(iNote);
474                            LSCPServer::SendLSCPNotify(
475                                LSCPEvent(
476                                    LSCPEvent::event_device_midi,
477                                    entry.uiDeviceID,
478                                    entry.pPort->GetPortNumber(),
479                                    std::string(bActive ? "NOTE_ON" : "NOTE_OFF"),
480                                    iNote,
481                                    bActive ? pMidiListener->NoteOnVelocity(iNote)
482                                            : pMidiListener->NoteOffVelocity(iNote)
483                                )
484                            );
485                        }
486                    }
487                }
488            }
489    
490          //Now let's deliver late notifies (if any)          //Now let's deliver late notifies (if any)
491          NotifyBufferMutex.Lock();          NotifyBufferMutex.Lock();
492          for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {          for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
# Line 440  void LSCPServer::CloseConnection( std::v Line 603  void LSCPServer::CloseConnection( std::v
603          NotifyMutex.Unlock();          NotifyMutex.Unlock();
604  }  }
605    
606    void LSCPServer::LockRTNotify() {
607        RTNotifyMutex.Lock();
608    }
609    
610    void LSCPServer::UnlockRTNotify() {
611        RTNotifyMutex.Unlock();
612    }
613    
614  int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) {  int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) {
615          int subs = 0;          int subs = 0;
616          SubscriptionMutex.Lock();          SubscriptionMutex.Lock();
# Line 2347  String LSCPServer::GetServerInfo() { Line 2518  String LSCPServer::GetServerInfo() {
2518  }  }
2519    
2520  /**  /**
2521     * Will be called by the parser to return the current number of all active streams.
2522     */
2523    String LSCPServer::GetTotalStreamCount() {
2524        dmsg(2,("LSCPServer: GetTotalStreamCount()\n"));
2525        LSCPResultSet result;
2526        result.Add(pSampler->GetDiskStreamCount());
2527        return result.Produce();
2528    }
2529    
2530    /**
2531   * Will be called by the parser to return the current number of all active voices.   * Will be called by the parser to return the current number of all active voices.
2532   */   */
2533  String LSCPServer::GetTotalVoiceCount() {  String LSCPServer::GetTotalVoiceCount() {
# Line 2376  String LSCPServer::SetGlobalVolume(doubl Line 2557  String LSCPServer::SetGlobalVolume(doubl
2557      LSCPResultSet result;      LSCPResultSet result;
2558      try {      try {
2559          if (dVolume < 0) throw Exception("Volume may not be negative");          if (dVolume < 0) throw Exception("Volume may not be negative");
2560          GLOBAL_VOLUME = dVolume; // see common/global.cpp          GLOBAL_VOLUME = dVolume; // see common/global_private.cpp
2561          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_global_info, "VOLUME", GLOBAL_VOLUME));          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_global_info, "VOLUME", GLOBAL_VOLUME));
2562      } catch (Exception e) {      } catch (Exception e) {
2563          result.Error(e);          result.Error(e);
# Line 2529  void LSCPServer::VerifyFile(String Filen Line 2710  void LSCPServer::VerifyFile(String Filen
2710      if ( win32FileAttributeData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) {      if ( win32FileAttributeData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) {
2711          throw Exception("Directory is specified");          throw Exception("Directory is specified");
2712      }      }
2713      #else          #else
2714      struct stat statBuf;      struct stat statBuf;
2715      int res = stat(Filename.c_str(), &statBuf);      int res = stat(Filename.c_str(), &statBuf);
2716      if (res) {      if (res) {
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