/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 UTC revision 1695 by schoenebeck, Sat Feb 16 01:09:33 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 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    
# Line 40  Line 45 
45  #include "lscpparser.h"  #include "lscpparser.h"
46  #include "lscp.h"  #include "lscp.h"
47  #include "lscpevent.h"  #include "lscpevent.h"
 #include "lscpinstrumentloader.h"  
48  #include "../Sampler.h"  #include "../Sampler.h"
49  #include "../common/Thread.h"  #include "../common/Thread.h"
50  #include "../common/Mutex.h"  #include "../common/Mutex.h"
51  #include "../common/Condition.h"  #include "../common/Condition.h"
52    #include "../common/global_private.h"
53    
54    #include "../drivers/midi/MidiInstrumentMapper.h"
55    #include "../drivers/midi/VirtualMidiDevice.h"
56    
57    #if HAVE_SQLITE3
58    #include "../db/InstrumentsDb.h"
59    #endif
60    
61  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
62    #define LSCP_ADDR INADDR_ANY
63  #define LSCP_PORT 8888  #define LSCP_PORT 8888
64    
65  /// try up to 3 minutes to bind server socket  /// try up to 3 minutes to bind server socket
# 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();
81          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
82    
83          // Methods called by the parser          // Methods called by the parser
# Line 76  class LSCPServer : public Thread { Line 90  class LSCPServer : public Thread {
90          String AddChannel();          String AddChannel();
91          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
92          String GetAvailableEngines();          String GetAvailableEngines();
93            String ListAvailableEngines();
94          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
95          String GetChannelInfo(uint uiSamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
96          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
97          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
98          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
99          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
100            String ListAvailableAudioOutputDrivers();
101          String GetAvailableMidiInputDrivers();          String GetAvailableMidiInputDrivers();
102            String ListAvailableMidiInputDrivers();
103          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
104          String GetMidiInputDriverInfo(String Driver);          String GetMidiInputDriverInfo(String Driver);
105  #ifdef __GNUC__  #ifdef __GNUC__
# Line 120  class LSCPServer : public Thread { Line 137  class LSCPServer : public Thread {
137          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
138          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
139          String SetVolume(double dVolume, uint uiSamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
140            String SetChannelMute(bool bMute, uint uiSamplerChannel);
141            String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
142            String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
143            String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
144            String GetMidiInstrumentMappings(uint MidiMapID);
145            String GetAllMidiInstrumentMappings();
146            String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
147            String ListMidiInstrumentMappings(uint MidiMapID);
148            String ListAllMidiInstrumentMappings();
149            String ClearMidiInstrumentMappings(uint MidiMapID);
150            String ClearAllMidiInstrumentMappings();
151            String AddMidiInstrumentMap(String MapName = "");
152            String RemoveMidiInstrumentMap(uint MidiMapID);
153            String RemoveAllMidiInstrumentMaps();
154            String GetMidiInstrumentMaps();
155            String ListMidiInstrumentMaps();
156            String GetMidiInstrumentMap(uint MidiMapID);
157            String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
158            String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
159            String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
160            String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
161            String GetFxSends(uint uiSamplerChannel);
162            String ListFxSends(uint uiSamplerChannel);
163            String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
164            String SetFxSendName(uint uiSamplerChannel, uint FxSendID, String Name);
165            String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
166            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
167            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
168            String AddDbInstrumentDirectory(String Dir);
169            String RemoveDbInstrumentDirectory(String Dir, bool Force = false);
170            String GetDbInstrumentDirectoryCount(String Dir, bool Recursive = false);
171            String GetDbInstrumentDirectories(String Dir, bool Recursive = false);
172            String GetDbInstrumentDirectoryInfo(String Dir);
173            String SetDbInstrumentDirectoryName(String Dir, String Name);
174            String MoveDbInstrumentDirectory(String Dir, String Dst);
175            String CopyDbInstrumentDirectory(String Dir, String Dst);
176            String SetDbInstrumentDirectoryDescription(String Dir, String Desc);
177            String FindDbInstrumentDirectories(String Dir, std::map<String,String> Parameters, bool Recursive = true);
178            String AddDbInstruments(String DbDir, String FilePath, int Index = -1, bool bBackground = false);
179            String AddDbInstruments(String ScanMode, String DbDir, String FsDir, bool bBackground = false);
180            String RemoveDbInstrument(String Instr);
181            String GetDbInstrumentCount(String Dir, bool Recursive = false);
182            String GetDbInstruments(String Dir, bool Recursive = false);
183            String GetDbInstrumentInfo(String Instr);
184            String SetDbInstrumentName(String Instr, String Name);
185            String MoveDbInstrument(String Instr, String Dst);
186            String CopyDbInstrument(String Instr, String Dst);
187            String SetDbInstrumentDescription(String Instr, String Desc);
188            String FindDbInstruments(String Dir, std::map<String,String> Parameters, bool Recursive = true);
189            String FormatInstrumentsDb();
190            String EditSamplerChannelInstrument(uint uiSamplerChannel);
191            String GetDbInstrumentsJobInfo(int JobId);
192          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
193          String ResetSampler();          String ResetSampler();
194            String GetServerInfo();
195            String GetTotalStreamCount();
196            String GetTotalVoiceCount();
197            String GetTotalVoiceCountMax();
198            String GetGlobalVolume();
199            String SetGlobalVolume(double dVolume);
200            String GetFileInstruments(String Filename);
201            String ListFileInstruments(String Filename);
202            String GetFileInstrumentInfo(String Filename, uint InstrumentID);
203          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
204          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
         String QueryDatabase(String query);  
205          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
206          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
207    
# Line 133  class LSCPServer : public Thread { Line 210  class LSCPServer : public Thread {
210    
211          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
212          static int EventSubscribers( std::list<LSCPEvent::event_t> events );          static int EventSubscribers( std::list<LSCPEvent::event_t> events );
213          static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }      static void LockRTNotify();
214          static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }      static void UnlockRTNotify();
215        static String FilterEndlines(String s);
216    
217      protected:      protected:
218          int            hSocket;          int            hSocket;
219          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
220          Sampler*       pSampler;          Sampler*       pSampler;
221          Condition      Initialized;          Condition      Initialized;
         LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background  
222    
223          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
224    
# Line 157  class LSCPServer : public Thread { Line 234  class LSCPServer : public Thread {
234           */           */
235          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
236    
237            EngineChannel* GetEngineChannel(uint uiSamplerChannel);
238    
239                    /**
240                     * Gets the specified effect send on the specified sampler channel.
241                     */
242                    FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
243    
244            bool HasSoloChannel();
245            void MuteNonSoloChannels();
246            void UnmuteChannels();
247    
248            /**
249             * Throws an exception if the specified file is not found or
250             * if directory is specified.
251             */
252            static void VerifyFile(String Filename);
253    
254          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
255          static Mutex NotifyMutex;          static Mutex NotifyMutex;
256          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
# Line 171  class LSCPServer : public Thread { Line 265  class LSCPServer : public Thread {
265          //like voice count, stream count and buffer fill          //like voice count, stream count and buffer fill
266          //from LSCP server removing engines and channels from underneath          //from LSCP server removing engines and channels from underneath
267          static Mutex RTNotifyMutex;          static Mutex RTNotifyMutex;
268    
269            class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
270                public MidiDeviceCountListener, public MidiInstrumentCountListener,
271                public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
272                public MidiInstrumentMapInfoListener, public FxSendCountListener,
273                public VoiceCountListener, public StreamCountListener, public BufferFillListener,
274                public TotalStreamCountListener, public TotalVoiceCountListener,
275                public EngineChangeListener, public MidiPortCountListener {
276    
277                public:
278                    EventHandler(LSCPServer* pParent);
279    
280                    /**
281                     * Invoked when the number of sampler channels has changed.
282                     * @param NewCount The new number of sampler channels.
283                     */
284                    virtual void ChannelCountChanged(int NewCount);
285                    virtual void ChannelAdded(SamplerChannel* pChannel);
286                    virtual void ChannelToBeRemoved(SamplerChannel* pChannel);
287    
288                    /**
289                     * Invoked when the number of audio output devices has changed.
290                     * @param NewCount The new number of audio output devices.
291                     */
292                    virtual void AudioDeviceCountChanged(int NewCount);
293    
294                    /**
295                     * Invoked when the number of MIDI input devices has changed.
296                     * @param NewCount The new number of MIDI input devices.
297                     */
298                    virtual void MidiDeviceCountChanged(int NewCount);
299    
300                    /**
301                     * Invoked right before the supplied MIDI input device is going
302                     * to be destroyed.
303                     * @param pDevice MidiInputDevice to be deleted
304                     */
305                    virtual void MidiDeviceToBeDestroyed(MidiInputDevice* pDevice);
306    
307                    /**
308                     * Invoked to inform that a new MidiInputDevice has just been
309                     * created.
310                     * @param pDevice newly created MidiInputDevice
311                     */
312                    virtual void MidiDeviceCreated(MidiInputDevice* pDevice);
313    
314                    /**
315                     * Invoked when the number of MIDI input ports has changed.
316                     * @param NewCount The new number of MIDI input ports.
317                     */
318                    virtual void MidiPortCountChanged(int NewCount);
319    
320                    /**
321                     * Invoked right before the supplied MIDI input port is going
322                     * to be destroyed.
323                     * @param pPort MidiInputPort to be deleted
324                     */
325                    virtual void MidiPortToBeRemoved(MidiInputPort* pPort);
326    
327                    /**
328                     * Invoked to inform that a new MidiInputPort has just been
329                     * added.
330                     * @param pPort newly created MidiInputPort
331                     */
332                    virtual void MidiPortAdded(MidiInputPort* pPort);
333    
334                    /**
335                     * Invoked when the number of MIDI instruments has changed.
336                     * @param MapId The numerical ID of the MIDI instrument map.
337                     * @param NewCount The new number of MIDI instruments.
338                     */
339                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
340    
341                    /**
342                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
343                     * @param MapId The numerical ID of the MIDI instrument map.
344                     * @param Bank The index of the MIDI bank, containing the instrument.
345                     * @param Program The MIDI program number of the instrument.
346                     */
347                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
348    
349                    /**
350                     * Invoked when the number of MIDI instrument maps has changed.
351                     * @param NewCount The new number of MIDI instruments.
352                     */
353                    virtual void MidiInstrumentMapCountChanged(int NewCount);
354    
355                    /**
356                     * Invoked when the settings of a MIDI instrument map are changed.
357                     * @param MapId The numerical ID of the MIDI instrument map.
358                     */
359                    virtual void MidiInstrumentMapInfoChanged(int MapId);
360    
361                    /**
362                     * Invoked when the number of effect sends
363                     * on the specified sampler channel has changed.
364                     * @param ChannelId The numerical ID of the sampler channel.
365                     * @param NewCount The new number of effect sends.
366                     */
367                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
368    
369                    /**
370                     * Invoked when the number of active voices
371                     * on the specified sampler channel has changed.
372                     * @param ChannelId The numerical ID of the sampler channel.
373                     * @param NewCount The new number of active voices.
374                     */
375                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
376    
377                    /**
378                     * Invoked when the number of active disk streams
379                     * on the specified sampler channel has changed.
380                     * @param ChannelId The numerical ID of the sampler channel.
381                     * @param NewCount The new number of active disk streams.
382                     */
383                    virtual void StreamCountChanged(int ChannelId, int NewCount);
384    
385                    /**
386                     * Invoked when the fill state of the disk stream
387                     * buffers on the specified sampler channel is changed.
388                     * @param ChannelId The numerical ID of the sampler channel.
389                     * @param FillData The buffer fill data for the specified sampler channel.
390                     */
391                    virtual void BufferFillChanged(int ChannelId, String FillData);
392    
393                    /**
394                     * Invoked when the total number of active voices is changed.
395                     * @param NewCount The new number of active voices.
396                     */
397                    virtual void TotalVoiceCountChanged(int NewCount);
398                    virtual void TotalStreamCountChanged(int NewCount);
399    
400                    virtual void EngineToBeChanged(int ChannelId);
401                    virtual void EngineChanged(int ChannelId);
402    
403                    virtual ~EventHandler();
404    
405                    struct midi_listener_entry {
406                        SamplerChannel* pSamplerChannel;
407                        EngineChannel* pEngineChannel;
408                        VirtualMidiDevice* pMidiListener;
409                    };
410    
411                    std::vector<midi_listener_entry> channelMidiListeners;
412    
413                    struct device_midi_listener_entry {
414                        MidiInputPort* pPort;
415                        VirtualMidiDevice* pMidiListener;
416                        uint uiDeviceID;
417                    };
418    
419                    std::vector<device_midi_listener_entry> deviceMidiListeners;
420    
421                private:
422                    LSCPServer* pParent;
423            } eventHandler;
424    
425    #if HAVE_SQLITE3
426            class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
427                public:
428                    virtual void DirectoryCountChanged(String Dir);
429                    virtual void DirectoryInfoChanged(String Dir);
430                    virtual void DirectoryNameChanged(String Dir, String NewName);
431                    virtual void InstrumentCountChanged(String Dir);
432                    virtual void InstrumentInfoChanged(String Instr);
433                    virtual void InstrumentNameChanged(String Instr, String NewName);
434                    virtual void JobStatusChanged(int JobId);
435            } dbInstrumentsEventHandler;
436    #endif // HAVE_SQLITE3
437  };  };
438    
439  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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