/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 667 by senkov, Sun Jun 19 21:22:34 2005 UTC revision 1848 by iliev, Sat Feb 28 21:23:06 2009 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  #define LSCP_ADDR INADDR_ANY
# Line 53  Line 64 
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 67  class LSCPServer : public Thread { Line 79  class LSCPServer : public Thread {
79          LSCPServer(Sampler* pSampler, long int addr, short int port);          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 125  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 AddDbInstrumentDirectory(String Dir);
170            String RemoveDbInstrumentDirectory(String Dir, bool Force = false);
171            String GetDbInstrumentDirectoryCount(String Dir, bool Recursive = false);
172            String GetDbInstrumentDirectories(String Dir, bool Recursive = false);
173            String GetDbInstrumentDirectoryInfo(String Dir);
174            String SetDbInstrumentDirectoryName(String Dir, String Name);
175            String MoveDbInstrumentDirectory(String Dir, String Dst);
176            String CopyDbInstrumentDirectory(String Dir, String Dst);
177            String SetDbInstrumentDirectoryDescription(String Dir, String Desc);
178            String FindDbInstrumentDirectories(String Dir, std::map<String,String> Parameters, bool Recursive = true);
179            String AddDbInstruments(String DbDir, String FilePath, int Index = -1, bool bBackground = false);
180            String AddDbInstruments(String ScanMode, String DbDir, String FsDir, bool bBackground = false, bool insDir = false);
181            String RemoveDbInstrument(String Instr);
182            String GetDbInstrumentCount(String Dir, bool Recursive = false);
183            String GetDbInstruments(String Dir, bool Recursive = false);
184            String GetDbInstrumentInfo(String Instr);
185            String SetDbInstrumentName(String Instr, String Name);
186            String MoveDbInstrument(String Instr, String Dst);
187            String CopyDbInstrument(String Instr, String Dst);
188            String SetDbInstrumentDescription(String Instr, String Desc);
189            String SetDbInstrumentFilePath(String OldPath, String NewPath);
190            String FindLostDbInstrumentFiles();
191            String FindDbInstruments(String Dir, std::map<String,String> Parameters, bool Recursive = true);
192            String FormatInstrumentsDb();
193            String EditSamplerChannelInstrument(uint uiSamplerChannel);
194            String GetDbInstrumentsJobInfo(int JobId);
195          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
196          String ResetSampler();          String ResetSampler();
197          String GetServerInfo();          String GetServerInfo();
198            String GetTotalStreamCount();
199            String GetTotalVoiceCount();
200            String GetTotalVoiceCountMax();
201            String GetGlobalMaxVoices();
202            String SetGlobalMaxVoices(int iVoices);
203            String GetGlobalMaxStreams();
204            String SetGlobalMaxStreams(int iStreams);
205            String GetGlobalVolume();
206            String SetGlobalVolume(double dVolume);
207            String GetFileInstruments(String Filename);
208            String ListFileInstruments(String Filename);
209            String GetFileInstrumentInfo(String Filename, uint InstrumentID);
210            String SendChannelMidiData(String MidiMsg, uint uiSamplerChannel, uint Arg1, uint Arg2);
211          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
212          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
         String QueryDatabase(String query);  
213          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
214          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
215            void   CloseAllConnections();
216    
217          static int currentSocket;          static int currentSocket;
218          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
219    
220          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
221          static int EventSubscribers( std::list<LSCPEvent::event_t> events );          static int EventSubscribers( std::list<LSCPEvent::event_t> events );
222          static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }      static void LockRTNotify();
223          static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }      static void UnlockRTNotify();
224        static String FilterEndlines(String s);
225    
226      protected:      protected:
227          int            hSocket;          int            hSocket;
228          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
229          Sampler*       pSampler;          Sampler*       pSampler;
230          Condition      Initialized;          Condition      Initialized;
         LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background  
231    
232          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
233    
# Line 163  class LSCPServer : public Thread { Line 243  class LSCPServer : public Thread {
243           */           */
244          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
245    
246            EngineChannel* GetEngineChannel(uint uiSamplerChannel);
247    
248                    /**
249                     * Gets the specified effect send on the specified sampler channel.
250                     */
251                    FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
252    
253            bool HasSoloChannel();
254            void MuteNonSoloChannels();
255            void UnmuteChannels();
256    
257            /**
258             * Throws an exception if the specified file is not found or
259             * if directory is specified.
260             */
261            static void VerifyFile(String Filename);
262    
263          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
264          static Mutex NotifyMutex;          static Mutex NotifyMutex;
265          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
# Line 177  class LSCPServer : public Thread { Line 274  class LSCPServer : public Thread {
274          //like voice count, stream count and buffer fill          //like voice count, stream count and buffer fill
275          //from LSCP server removing engines and channels from underneath          //from LSCP server removing engines and channels from underneath
276          static Mutex RTNotifyMutex;          static Mutex RTNotifyMutex;
277    
278            class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
279                public MidiDeviceCountListener, public MidiInstrumentCountListener,
280                public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
281                public MidiInstrumentMapInfoListener, public FxSendCountListener,
282                public VoiceCountListener, public StreamCountListener, public BufferFillListener,
283                public TotalStreamCountListener, public TotalVoiceCountListener,
284                public EngineChangeListener, public MidiPortCountListener {
285    
286                public:
287                    EventHandler(LSCPServer* pParent);
288    
289                    /**
290                     * Invoked when the number of sampler channels has changed.
291                     * @param NewCount The new number of sampler channels.
292                     */
293                    virtual void ChannelCountChanged(int NewCount);
294                    virtual void ChannelAdded(SamplerChannel* pChannel);
295                    virtual void ChannelToBeRemoved(SamplerChannel* pChannel);
296    
297                    /**
298                     * Invoked when the number of audio output devices has changed.
299                     * @param NewCount The new number of audio output devices.
300                     */
301                    virtual void AudioDeviceCountChanged(int NewCount);
302    
303                    /**
304                     * Invoked when the number of MIDI input devices has changed.
305                     * @param NewCount The new number of MIDI input devices.
306                     */
307                    virtual void MidiDeviceCountChanged(int NewCount);
308    
309                    /**
310                     * Invoked right before the supplied MIDI input device is going
311                     * to be destroyed.
312                     * @param pDevice MidiInputDevice to be deleted
313                     */
314                    virtual void MidiDeviceToBeDestroyed(MidiInputDevice* pDevice);
315    
316                    /**
317                     * Invoked to inform that a new MidiInputDevice has just been
318                     * created.
319                     * @param pDevice newly created MidiInputDevice
320                     */
321                    virtual void MidiDeviceCreated(MidiInputDevice* pDevice);
322    
323                    /**
324                     * Invoked when the number of MIDI input ports has changed.
325                     * @param NewCount The new number of MIDI input ports.
326                     */
327                    virtual void MidiPortCountChanged(int NewCount);
328    
329                    /**
330                     * Invoked right before the supplied MIDI input port is going
331                     * to be destroyed.
332                     * @param pPort MidiInputPort to be deleted
333                     */
334                    virtual void MidiPortToBeRemoved(MidiInputPort* pPort);
335    
336                    /**
337                     * Invoked to inform that a new MidiInputPort has just been
338                     * added.
339                     * @param pPort newly created MidiInputPort
340                     */
341                    virtual void MidiPortAdded(MidiInputPort* pPort);
342    
343                    /**
344                     * Invoked when the number of MIDI instruments has changed.
345                     * @param MapId The numerical ID of the MIDI instrument map.
346                     * @param NewCount The new number of MIDI instruments.
347                     */
348                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
349    
350                    /**
351                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
352                     * @param MapId The numerical ID of the MIDI instrument map.
353                     * @param Bank The index of the MIDI bank, containing the instrument.
354                     * @param Program The MIDI program number of the instrument.
355                     */
356                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
357    
358                    /**
359                     * Invoked when the number of MIDI instrument maps has changed.
360                     * @param NewCount The new number of MIDI instruments.
361                     */
362                    virtual void MidiInstrumentMapCountChanged(int NewCount);
363    
364                    /**
365                     * Invoked when the settings of a MIDI instrument map are changed.
366                     * @param MapId The numerical ID of the MIDI instrument map.
367                     */
368                    virtual void MidiInstrumentMapInfoChanged(int MapId);
369    
370                    /**
371                     * Invoked when the number of effect sends
372                     * on the specified sampler channel has changed.
373                     * @param ChannelId The numerical ID of the sampler channel.
374                     * @param NewCount The new number of effect sends.
375                     */
376                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
377    
378                    /**
379                     * Invoked when the number of active voices
380                     * on the specified sampler channel has changed.
381                     * @param ChannelId The numerical ID of the sampler channel.
382                     * @param NewCount The new number of active voices.
383                     */
384                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
385    
386                    /**
387                     * Invoked when the number of active disk streams
388                     * on the specified sampler channel has changed.
389                     * @param ChannelId The numerical ID of the sampler channel.
390                     * @param NewCount The new number of active disk streams.
391                     */
392                    virtual void StreamCountChanged(int ChannelId, int NewCount);
393    
394                    /**
395                     * Invoked when the fill state of the disk stream
396                     * buffers on the specified sampler channel is changed.
397                     * @param ChannelId The numerical ID of the sampler channel.
398                     * @param FillData The buffer fill data for the specified sampler channel.
399                     */
400                    virtual void BufferFillChanged(int ChannelId, String FillData);
401    
402                    /**
403                     * Invoked when the total number of active voices is changed.
404                     * @param NewCount The new number of active voices.
405                     */
406                    virtual void TotalVoiceCountChanged(int NewCount);
407                    virtual void TotalStreamCountChanged(int NewCount);
408    
409                    virtual void EngineToBeChanged(int ChannelId);
410                    virtual void EngineChanged(int ChannelId);
411    
412                    virtual ~EventHandler();
413    
414                    struct midi_listener_entry {
415                        SamplerChannel* pSamplerChannel;
416                        EngineChannel* pEngineChannel;
417                        VirtualMidiDevice* pMidiListener;
418                    };
419    
420                    std::vector<midi_listener_entry> channelMidiListeners;
421    
422                    struct device_midi_listener_entry {
423                        MidiInputPort* pPort;
424                        VirtualMidiDevice* pMidiListener;
425                        uint uiDeviceID;
426                    };
427    
428                    std::vector<device_midi_listener_entry> deviceMidiListeners;
429    
430                private:
431                    LSCPServer* pParent;
432            } eventHandler;
433    
434    #if HAVE_SQLITE3
435            class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
436                public:
437                    virtual void DirectoryCountChanged(String Dir);
438                    virtual void DirectoryInfoChanged(String Dir);
439                    virtual void DirectoryNameChanged(String Dir, String NewName);
440                    virtual void InstrumentCountChanged(String Dir);
441                    virtual void InstrumentInfoChanged(String Instr);
442                    virtual void InstrumentNameChanged(String Instr, String NewName);
443                    virtual void JobStatusChanged(int JobId);
444            } dbInstrumentsEventHandler;
445    #endif // HAVE_SQLITE3
446  };  };
447    
448    }
449    
450  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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