/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 212 by schoenebeck, Wed Jul 28 14:17:29 2004 UTC revision 1686 by schoenebeck, Thu Feb 14 14:58:50 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 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program 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  *
10   *   the Free Software Foundation; either version 2 of the License, or     *   *   the Free Software Foundation; either version 2 of the License, or     *
11   *   (at your option) any later version.                                   *   *   (at your option) any later version.                                   *
12   *                                                                         *   *                                                                         *
13   *   This program is distributed in the hope that it will be useful,       *   *   This library is distributed in the hope that it will be useful,       *
14   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16   *   GNU General Public License for more details.                          *   *   GNU General Public License for more details.                          *
17   *                                                                         *   *                                                                         *
18   *   You should have received a copy of the GNU General Public License     *   *   You should have received a copy of the GNU General Public License     *
19   *   along with this program; if not, write to the Free Software           *   *   along with this library; if not, write to the Free Software           *
20   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
# Line 23  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 32  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 43  Line 49 
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
66    #define LSCP_SERVER_BIND_TIMEOUT 180
67    
68  using namespace LinuxSampler;  using namespace LinuxSampler;
69    
70  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
71  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
72  extern int yylex_init(yyscan_t* scanner);  extern void restart(yyparse_param_t* pparam, int& yychar);
 extern int yylex_destroy(yyscan_t yyscanner);  
73    
74  /**  /**
75   * Network server for the LinuxSampler Control Protocol (LSCP).   * Network server for the LinuxSampler Control Protocol (LSCP).
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
84          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
85          String DestroyMidiInputDevice(uint DeviceIndex);          String DestroyMidiInputDevice(uint DeviceIndex);
86          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
87          String LoadEngine(String EngineName, uint uiSamplerChannel);          String SetEngineType(String EngineName, uint uiSamplerChannel);
88          String GetChannels();          String GetChannels();
89          String ListChannels();          String ListChannels();
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 115  class LSCPServer : public Thread { Line 136  class LSCPServer : public Thread {
136          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
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 Volume, 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);
205          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
# Line 127  class LSCPServer : public Thread { Line 209  class LSCPServer : public Thread {
209          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
210    
211          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
212            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
213        static void LockRTNotify();
214        static void UnlockRTNotify();
215        static String FilterEndlines(String s);
216    
217      protected:      protected:
218          int            hSocket;          int            hSocket;
# Line 148  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 157  class LSCPServer : public Thread { Line 260  class LSCPServer : public Thread {
260          static Mutex SubscriptionMutex;          static Mutex SubscriptionMutex;
261          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
262          static fd_set fdSet;          static fd_set fdSet;
 };  
   
 /**  
  * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).  
  */  
 class LSCPLoadInstrument : public Thread {  
   
     public:  
         LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);  
   
     protected:  
         // Instance variables.  
         Engine* pEngine;  
         String  Filename;  
         uint    uiInstrument;  
263    
264          // Implementation of virtual method from class Thread.          //Protect main thread that generates real time notify messages
265          int Main();          //like voice count, stream count and buffer fill
266            //from LSCP server removing engines and channels from underneath
267            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 {
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 when the number of MIDI instruments has changed.
302                     * @param MapId The numerical ID of the MIDI instrument map.
303                     * @param NewCount The new number of MIDI instruments.
304                     */
305                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
306    
307                    /**
308                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
309                     * @param MapId The numerical ID of the MIDI instrument map.
310                     * @param Bank The index of the MIDI bank, containing the instrument.
311                     * @param Program The MIDI program number of the instrument.
312                     */
313                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
314    
315                    /**
316                     * Invoked when the number of MIDI instrument maps has changed.
317                     * @param NewCount The new number of MIDI instruments.
318                     */
319                    virtual void MidiInstrumentMapCountChanged(int NewCount);
320    
321                    /**
322                     * Invoked when the settings of a MIDI instrument map are changed.
323                     * @param MapId The numerical ID of the MIDI instrument map.
324                     */
325                    virtual void MidiInstrumentMapInfoChanged(int MapId);
326    
327                    /**
328                     * Invoked when the number of effect sends
329                     * on the specified sampler channel has changed.
330                     * @param ChannelId The numerical ID of the sampler channel.
331                     * @param NewCount The new number of effect sends.
332                     */
333                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
334    
335                    /**
336                     * Invoked when the number of active voices
337                     * on the specified sampler channel has changed.
338                     * @param ChannelId The numerical ID of the sampler channel.
339                     * @param NewCount The new number of active voices.
340                     */
341                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
342    
343                    /**
344                     * Invoked when the number of active disk streams
345                     * on the specified sampler channel has changed.
346                     * @param ChannelId The numerical ID of the sampler channel.
347                     * @param NewCount The new number of active disk streams.
348                     */
349                    virtual void StreamCountChanged(int ChannelId, int NewCount);
350    
351                    /**
352                     * Invoked when the fill state of the disk stream
353                     * buffers on the specified sampler channel is changed.
354                     * @param ChannelId The numerical ID of the sampler channel.
355                     * @param FillData The buffer fill data for the specified sampler channel.
356                     */
357                    virtual void BufferFillChanged(int ChannelId, String FillData);
358    
359                    /**
360                     * Invoked when the total number of active voices is changed.
361                     * @param NewCount The new number of active voices.
362                     */
363                    virtual void TotalVoiceCountChanged(int NewCount);
364                    virtual void TotalStreamCountChanged(int NewCount);
365    
366                    virtual void EngineToBeChanged(int ChannelId);
367                    virtual void EngineChanged(int ChannelId);
368    
369                    virtual ~EventHandler();
370    
371                    struct midi_listener_entry {
372                        SamplerChannel* pSamplerChannel;
373                        EngineChannel* pEngineChannel;
374                        VirtualMidiDevice* pMidiListener;
375                    };
376    
377                    std::vector<midi_listener_entry> channelMidiListeners;
378    
379                private:
380                    LSCPServer* pParent;
381            } eventHandler;
382    
383    #if HAVE_SQLITE3
384            class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
385                public:
386                    virtual void DirectoryCountChanged(String Dir);
387                    virtual void DirectoryInfoChanged(String Dir);
388                    virtual void DirectoryNameChanged(String Dir, String NewName);
389                    virtual void InstrumentCountChanged(String Dir);
390                    virtual void InstrumentInfoChanged(String Instr);
391                    virtual void InstrumentNameChanged(String Instr, String NewName);
392                    virtual void JobStatusChanged(int JobId);
393            } dbInstrumentsEventHandler;
394    #endif // HAVE_SQLITE3
395  };  };
396    
397  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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