/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 475 by schoenebeck, Thu Mar 17 23:56:56 2005 UTC revision 2137 by schoenebeck, Mon Oct 4 12:20:23 2010 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 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 24  Line 24 
24  #ifndef __LSCPSERVER_H_  #ifndef __LSCPSERVER_H_
25  #define __LSCPSERVER_H_  #define __LSCPSERVER_H_
26    
27    #if defined(WIN32)
28    #include <windows.h>
29    typedef int socklen_t;
30    #else
31  #include <unistd.h>  #include <unistd.h>
32  #include <sys/types.h>  #include <sys/types.h>
33  #include <sys/socket.h>  #include <sys/socket.h>
# Line 33  Line 37 
37  #include <netinet/tcp.h>  #include <netinet/tcp.h>
38  #include <arpa/inet.h>  #include <arpa/inet.h>
39  #include <netdb.h>  #include <netdb.h>
40    #endif
41    
42  #include <list>  #include <list>
43    
44  #include "lscp.h"  #include "lscp.h"
45  #include "lscpparser.h"  #include "lscpparser.h"
 #include "lscp.h"  
46  #include "lscpevent.h"  #include "lscpevent.h"
 #include "lscpinstrumentloader.h"  
47  #include "../Sampler.h"  #include "../Sampler.h"
48  #include "../common/Thread.h"  #include "../common/Thread.h"
49  #include "../common/Mutex.h"  #include "../common/Mutex.h"
50  #include "../common/Condition.h"  #include "../common/Condition.h"
51    #include "../common/global_private.h"
52    
53    #include "../drivers/midi/MidiInstrumentMapper.h"
54    #include "../drivers/midi/VirtualMidiDevice.h"
55    
56    #if HAVE_SQLITE3
57    #include "../db/InstrumentsDb.h"
58    #endif
59    
60  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
61    #define LSCP_ADDR INADDR_ANY
62  #define LSCP_PORT 8888  #define LSCP_PORT 8888
63    
64  /// try up to 3 minutes to bind server socket  /// try up to 3 minutes to bind server socket
65  #define LSCP_SERVER_BIND_TIMEOUT 180  #define LSCP_SERVER_BIND_TIMEOUT 180
66    
 using namespace LinuxSampler;  
   
67  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
68  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
69    
70    namespace LinuxSampler {
71    
72  extern void restart(yyparse_param_t* pparam, int& yychar);  extern void restart(yyparse_param_t* pparam, int& yychar);
73    
74  /**  /**
# Line 63  extern void restart(yyparse_param_t* ppa Line 76  extern void restart(yyparse_param_t* ppa
76   */   */
77  class LSCPServer : public Thread {  class LSCPServer : public Thread {
78      public:      public:
79          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler, long int addr, short int port);
80          virtual ~LSCPServer();          virtual ~LSCPServer();
81          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
82            void RemoveListeners();
83    
84          // Methods called by the parser          // Methods called by the parser
85          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
# Line 77  class LSCPServer : public Thread { Line 91  class LSCPServer : public Thread {
91          String AddChannel();          String AddChannel();
92          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
93          String GetAvailableEngines();          String GetAvailableEngines();
94            String ListAvailableEngines();
95          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
96          String GetChannelInfo(uint uiSamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
97          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
98          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
99          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
100          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
101            String ListAvailableAudioOutputDrivers();
102          String GetAvailableMidiInputDrivers();          String GetAvailableMidiInputDrivers();
103            String ListAvailableMidiInputDrivers();
104          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
105          String GetMidiInputDriverInfo(String Driver);          String GetMidiInputDriverInfo(String Driver);
106  #ifdef __GNUC__  #ifdef __GNUC__
# Line 121  class LSCPServer : public Thread { Line 138  class LSCPServer : public Thread {
138          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
139          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
140          String SetVolume(double dVolume, uint uiSamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
141            String SetChannelMute(bool bMute, uint uiSamplerChannel);
142            String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
143            String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
144            String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
145            String GetMidiInstrumentMappings(uint MidiMapID);
146            String GetAllMidiInstrumentMappings();
147            String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
148            String ListMidiInstrumentMappings(uint MidiMapID);
149            String ListAllMidiInstrumentMappings();
150            String ClearMidiInstrumentMappings(uint MidiMapID);
151            String ClearAllMidiInstrumentMappings();
152            String AddMidiInstrumentMap(String MapName = "");
153            String RemoveMidiInstrumentMap(uint MidiMapID);
154            String RemoveAllMidiInstrumentMaps();
155            String GetMidiInstrumentMaps();
156            String ListMidiInstrumentMaps();
157            String GetMidiInstrumentMap(uint MidiMapID);
158            String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
159            String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
160            String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
161            String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
162            String GetFxSends(uint uiSamplerChannel);
163            String ListFxSends(uint uiSamplerChannel);
164            String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
165            String SetFxSendName(uint uiSamplerChannel, uint FxSendID, String Name);
166            String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
167            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
168            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
169            String SetFxSendEffect(uint uiSamplerChannel, uint FxSendID, int iSendEffectChain, int iEffectChainPosition);
170    
171            // effect commands
172            String GetAvailableEffects();
173            String ListAvailableEffects();
174            String GetEffectInfo(int iEffectIndex);
175            String CreateEffectInstance(int iEffectIndex);
176            String CreateEffectInstance(String effectSystem, String module, String effectName);
177            String DestroyEffectInstance(int iEffectInstance);
178            String GetEffectInstances();
179            String ListEffectInstances();
180            String GetEffectInstanceInfo(int iEffectInstance);
181            String GetEffectInstanceInputControlInfo(int iEffectInstance, int iInputControlIndex);
182            String SetEffectInstanceInputControlValue(int iEffectInstance, int iInputControlIndex, double dValue);
183            String GetSendEffectChains(int iAudioOutputDevice);
184            String ListSendEffectChains(int iAudioOutputDevice);
185            String AddSendEffectChain(int iAudioOutputDevice);
186            String RemoveSendEffectChain(int iAudioOutputDevice, int iSendEffectChain);
187            String GetSendEffectChainInfo(int iAudioOutputDevice, int iSendEffectChain);
188            String AppendSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectInstance);
189            String InsertSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectChainPosition, int iEffectInstance);
190            String RemoveSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectChainPosition);
191    
192            String AddDbInstrumentDirectory(String Dir);
193            String RemoveDbInstrumentDirectory(String Dir, bool Force = false);
194            String GetDbInstrumentDirectoryCount(String Dir, bool Recursive = false);
195            String GetDbInstrumentDirectories(String Dir, bool Recursive = false);
196            String GetDbInstrumentDirectoryInfo(String Dir);
197            String SetDbInstrumentDirectoryName(String Dir, String Name);
198            String MoveDbInstrumentDirectory(String Dir, String Dst);
199            String CopyDbInstrumentDirectory(String Dir, String Dst);
200            String SetDbInstrumentDirectoryDescription(String Dir, String Desc);
201            String FindDbInstrumentDirectories(String Dir, std::map<String,String> Parameters, bool Recursive = true);
202            String AddDbInstruments(String DbDir, String FilePath, int Index = -1, bool bBackground = false);
203            String AddDbInstruments(String ScanMode, String DbDir, String FsDir, bool bBackground = false, bool insDir = false);
204            String RemoveDbInstrument(String Instr);
205            String GetDbInstrumentCount(String Dir, bool Recursive = false);
206            String GetDbInstruments(String Dir, bool Recursive = false);
207            String GetDbInstrumentInfo(String Instr);
208            String SetDbInstrumentName(String Instr, String Name);
209            String MoveDbInstrument(String Instr, String Dst);
210            String CopyDbInstrument(String Instr, String Dst);
211            String SetDbInstrumentDescription(String Instr, String Desc);
212            String SetDbInstrumentFilePath(String OldPath, String NewPath);
213            String FindLostDbInstrumentFiles();
214            String FindDbInstruments(String Dir, std::map<String,String> Parameters, bool Recursive = true);
215            String FormatInstrumentsDb();
216            String EditSamplerChannelInstrument(uint uiSamplerChannel);
217            String GetDbInstrumentsJobInfo(int JobId);
218          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
219          String ResetSampler();          String ResetSampler();
220            String GetServerInfo();
221            String GetTotalStreamCount();
222            String GetTotalVoiceCount();
223            String GetTotalVoiceCountMax();
224            String GetGlobalMaxVoices();
225            String SetGlobalMaxVoices(int iVoices);
226            String GetGlobalMaxStreams();
227            String SetGlobalMaxStreams(int iStreams);
228            String GetGlobalVolume();
229            String SetGlobalVolume(double dVolume);
230            String GetFileInstruments(String Filename);
231            String ListFileInstruments(String Filename);
232            String GetFileInstrumentInfo(String Filename, uint InstrumentID);
233            String SendChannelMidiData(String MidiMsg, uint uiSamplerChannel, uint Arg1, uint Arg2);
234          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
235          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
         String QueryDatabase(String query);  
236          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
237          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
238            void   CloseAllConnections();
239    
240          static int currentSocket;          static int currentSocket;
241          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
242    
243          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
244          static int EventSubscribers( std::list<LSCPEvent::event_t> events );          static int EventSubscribers( std::list<LSCPEvent::event_t> events );
245          static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }      static void LockRTNotify();
246          static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }      static void UnlockRTNotify();
247        static String FilterEndlines(String s);
248    
249      protected:      protected:
250          int            hSocket;          int            hSocket;
251          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
252          Sampler*       pSampler;          Sampler*       pSampler;
253          Condition      Initialized;          Condition      Initialized;
         LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background  
254    
255          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
256    
# Line 158  class LSCPServer : public Thread { Line 266  class LSCPServer : public Thread {
266           */           */
267          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
268    
269            EngineChannel* GetEngineChannel(uint uiSamplerChannel);
270    
271                    /**
272                     * Gets the specified effect send on the specified sampler channel.
273                     */
274                    FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
275    
276            bool HasSoloChannel();
277            void MuteNonSoloChannels();
278            void UnmuteChannels();
279    
280            /**
281             * Throws an exception if the specified file is not found or
282             * if directory is specified.
283             */
284            static void VerifyFile(String Filename);
285    
286          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
287          static Mutex NotifyMutex;          static Mutex NotifyMutex;
288          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
# Line 172  class LSCPServer : public Thread { Line 297  class LSCPServer : public Thread {
297          //like voice count, stream count and buffer fill          //like voice count, stream count and buffer fill
298          //from LSCP server removing engines and channels from underneath          //from LSCP server removing engines and channels from underneath
299          static Mutex RTNotifyMutex;          static Mutex RTNotifyMutex;
300    
301            class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
302                public MidiDeviceCountListener, public MidiInstrumentCountListener,
303                public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
304                public MidiInstrumentMapInfoListener, public FxSendCountListener,
305                public VoiceCountListener, public StreamCountListener, public BufferFillListener,
306                public TotalStreamCountListener, public TotalVoiceCountListener,
307                public EngineChangeListener, public MidiPortCountListener {
308    
309                public:
310                    EventHandler(LSCPServer* pParent);
311    
312                    /**
313                     * Invoked when the number of sampler channels has changed.
314                     * @param NewCount The new number of sampler channels.
315                     */
316                    virtual void ChannelCountChanged(int NewCount);
317                    virtual void ChannelAdded(SamplerChannel* pChannel);
318                    virtual void ChannelToBeRemoved(SamplerChannel* pChannel);
319    
320                    /**
321                     * Invoked when the number of audio output devices has changed.
322                     * @param NewCount The new number of audio output devices.
323                     */
324                    virtual void AudioDeviceCountChanged(int NewCount);
325    
326                    /**
327                     * Invoked when the number of MIDI input devices has changed.
328                     * @param NewCount The new number of MIDI input devices.
329                     */
330                    virtual void MidiDeviceCountChanged(int NewCount);
331    
332                    /**
333                     * Invoked right before the supplied MIDI input device is going
334                     * to be destroyed.
335                     * @param pDevice MidiInputDevice to be deleted
336                     */
337                    virtual void MidiDeviceToBeDestroyed(MidiInputDevice* pDevice);
338    
339                    /**
340                     * Invoked to inform that a new MidiInputDevice has just been
341                     * created.
342                     * @param pDevice newly created MidiInputDevice
343                     */
344                    virtual void MidiDeviceCreated(MidiInputDevice* pDevice);
345    
346                    /**
347                     * Invoked when the number of MIDI input ports has changed.
348                     * @param NewCount The new number of MIDI input ports.
349                     */
350                    virtual void MidiPortCountChanged(int NewCount);
351    
352                    /**
353                     * Invoked right before the supplied MIDI input port is going
354                     * to be destroyed.
355                     * @param pPort MidiInputPort to be deleted
356                     */
357                    virtual void MidiPortToBeRemoved(MidiInputPort* pPort);
358    
359                    /**
360                     * Invoked to inform that a new MidiInputPort has just been
361                     * added.
362                     * @param pPort newly created MidiInputPort
363                     */
364                    virtual void MidiPortAdded(MidiInputPort* pPort);
365    
366                    /**
367                     * Invoked when the number of MIDI instruments has changed.
368                     * @param MapId The numerical ID of the MIDI instrument map.
369                     * @param NewCount The new number of MIDI instruments.
370                     */
371                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
372    
373                    /**
374                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
375                     * @param MapId The numerical ID of the MIDI instrument map.
376                     * @param Bank The index of the MIDI bank, containing the instrument.
377                     * @param Program The MIDI program number of the instrument.
378                     */
379                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
380    
381                    /**
382                     * Invoked when the number of MIDI instrument maps has changed.
383                     * @param NewCount The new number of MIDI instruments.
384                     */
385                    virtual void MidiInstrumentMapCountChanged(int NewCount);
386    
387                    /**
388                     * Invoked when the settings of a MIDI instrument map are changed.
389                     * @param MapId The numerical ID of the MIDI instrument map.
390                     */
391                    virtual void MidiInstrumentMapInfoChanged(int MapId);
392    
393                    /**
394                     * Invoked when the number of effect sends
395                     * on the specified sampler channel has changed.
396                     * @param ChannelId The numerical ID of the sampler channel.
397                     * @param NewCount The new number of effect sends.
398                     */
399                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
400    
401                    /**
402                     * Invoked when the number of active voices
403                     * on the specified sampler channel has changed.
404                     * @param ChannelId The numerical ID of the sampler channel.
405                     * @param NewCount The new number of active voices.
406                     */
407                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
408    
409                    /**
410                     * Invoked when the number of active disk streams
411                     * on the specified sampler channel has changed.
412                     * @param ChannelId The numerical ID of the sampler channel.
413                     * @param NewCount The new number of active disk streams.
414                     */
415                    virtual void StreamCountChanged(int ChannelId, int NewCount);
416    
417                    /**
418                     * Invoked when the fill state of the disk stream
419                     * buffers on the specified sampler channel is changed.
420                     * @param ChannelId The numerical ID of the sampler channel.
421                     * @param FillData The buffer fill data for the specified sampler channel.
422                     */
423                    virtual void BufferFillChanged(int ChannelId, String FillData);
424    
425                    /**
426                     * Invoked when the total number of active voices is changed.
427                     * @param NewCount The new number of active voices.
428                     */
429                    virtual void TotalVoiceCountChanged(int NewCount);
430                    virtual void TotalStreamCountChanged(int NewCount);
431    
432                    virtual void EngineToBeChanged(int ChannelId);
433                    virtual void EngineChanged(int ChannelId);
434    
435                    virtual ~EventHandler();
436    
437                    struct midi_listener_entry {
438                        SamplerChannel* pSamplerChannel;
439                        EngineChannel* pEngineChannel;
440                        VirtualMidiDevice* pMidiListener;
441                    };
442    
443                    std::vector<midi_listener_entry> channelMidiListeners;
444    
445                    struct device_midi_listener_entry {
446                        MidiInputPort* pPort;
447                        VirtualMidiDevice* pMidiListener;
448                        uint uiDeviceID;
449                    };
450    
451                    std::vector<device_midi_listener_entry> deviceMidiListeners;
452    
453                private:
454                    LSCPServer* pParent;
455            } eventHandler;
456    
457    #if HAVE_SQLITE3
458            class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
459                public:
460                    virtual void DirectoryCountChanged(String Dir);
461                    virtual void DirectoryInfoChanged(String Dir);
462                    virtual void DirectoryNameChanged(String Dir, String NewName);
463                    virtual void InstrumentCountChanged(String Dir);
464                    virtual void InstrumentInfoChanged(String Instr);
465                    virtual void InstrumentNameChanged(String Instr, String NewName);
466                    virtual void JobStatusChanged(int JobId);
467            } dbInstrumentsEventHandler;
468    #endif // HAVE_SQLITE3
469  };  };
470    
471    }
472    
473  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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