/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 227 by schoenebeck, Thu Aug 26 22:05:44 2004 UTC revision 1541 by iliev, Tue Dec 4 18:09:26 2007 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6     *   Copyright (C) 2005 - 2007 Christian Schoenebeck                       *
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    
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
# Line 61  extern void restart(yyparse_param_t* ppa Line 75  extern void restart(yyparse_param_t* ppa
75   */   */
76  class LSCPServer : public Thread {  class LSCPServer : public Thread {
77      public:      public:
78          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler, long int addr, short int port);
79            virtual ~LSCPServer();
80          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
81    
82          // Methods called by the parser          // Methods called by the parser
83          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
84          String DestroyMidiInputDevice(uint DeviceIndex);          String DestroyMidiInputDevice(uint DeviceIndex);
85          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
86          String LoadEngine(String EngineName, uint uiSamplerChannel);          String SetEngineType(String EngineName, uint uiSamplerChannel);
87          String GetChannels();          String GetChannels();
88          String ListChannels();          String ListChannels();
89          String AddChannel();          String AddChannel();
90          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
91          String GetAvailableEngines();          String GetAvailableEngines();
92            String ListAvailableEngines();
93          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
94          String GetChannelInfo(uint uiSamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
95          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
96          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
97          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
98          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
99            String ListAvailableAudioOutputDrivers();
100          String GetAvailableMidiInputDrivers();          String GetAvailableMidiInputDrivers();
101            String ListAvailableMidiInputDrivers();
102          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
103          String GetMidiInputDriverInfo(String Driver);          String GetMidiInputDriverInfo(String Driver);
104  #ifdef __GNUC__  #ifdef __GNUC__
# Line 118  class LSCPServer : public Thread { Line 136  class LSCPServer : public Thread {
136          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
137          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
138          String SetVolume(double dVolume, uint uiSamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
139            String SetChannelMute(bool bMute, uint uiSamplerChannel);
140            String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
141            String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
142            String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
143            String GetMidiInstrumentMappings(uint MidiMapID);
144            String GetAllMidiInstrumentMappings();
145            String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
146            String ListMidiInstrumentMappings(uint MidiMapID);
147            String ListAllMidiInstrumentMappings();
148            String ClearMidiInstrumentMappings(uint MidiMapID);
149            String ClearAllMidiInstrumentMappings();
150            String AddMidiInstrumentMap(String MapName = "");
151            String RemoveMidiInstrumentMap(uint MidiMapID);
152            String RemoveAllMidiInstrumentMaps();
153            String GetMidiInstrumentMaps();
154            String ListMidiInstrumentMaps();
155            String GetMidiInstrumentMap(uint MidiMapID);
156            String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
157            String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
158            String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
159            String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
160            String GetFxSends(uint uiSamplerChannel);
161            String ListFxSends(uint uiSamplerChannel);
162            String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
163            String SetFxSendName(uint uiSamplerChannel, uint FxSendID, String Name);
164            String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
165            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
166            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
167            String AddDbInstrumentDirectory(String Dir);
168            String RemoveDbInstrumentDirectory(String Dir, bool Force = false);
169            String GetDbInstrumentDirectoryCount(String Dir, bool Recursive = false);
170            String GetDbInstrumentDirectories(String Dir, bool Recursive = false);
171            String GetDbInstrumentDirectoryInfo(String Dir);
172            String SetDbInstrumentDirectoryName(String Dir, String Name);
173            String MoveDbInstrumentDirectory(String Dir, String Dst);
174            String CopyDbInstrumentDirectory(String Dir, String Dst);
175            String SetDbInstrumentDirectoryDescription(String Dir, String Desc);
176            String FindDbInstrumentDirectories(String Dir, std::map<String,String> Parameters, bool Recursive = true);
177            String AddDbInstruments(String DbDir, String FilePath, int Index = -1, bool bBackground = false);
178            String AddDbInstruments(String ScanMode, String DbDir, String FsDir, bool bBackground = false);
179            String RemoveDbInstrument(String Instr);
180            String GetDbInstrumentCount(String Dir, bool Recursive = false);
181            String GetDbInstruments(String Dir, bool Recursive = false);
182            String GetDbInstrumentInfo(String Instr);
183            String SetDbInstrumentName(String Instr, String Name);
184            String MoveDbInstrument(String Instr, String Dst);
185            String CopyDbInstrument(String Instr, String Dst);
186            String SetDbInstrumentDescription(String Instr, String Desc);
187            String FindDbInstruments(String Dir, std::map<String,String> Parameters, bool Recursive = true);
188            String FormatInstrumentsDb();
189            String EditSamplerChannelInstrument(uint uiSamplerChannel);
190            String GetDbInstrumentsJobInfo(int JobId);
191          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
192          String ResetSampler();          String ResetSampler();
193            String GetServerInfo();
194            String GetTotalStreamCount();
195            String GetTotalVoiceCount();
196            String GetTotalVoiceCountMax();
197            String GetGlobalVolume();
198            String SetGlobalVolume(double dVolume);
199            String GetFileInstruments(String Filename);
200            String ListFileInstruments(String Filename);
201            String GetFileInstrumentInfo(String Filename, uint InstrumentID);
202          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
203          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
204          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
# Line 129  class LSCPServer : public Thread { Line 208  class LSCPServer : public Thread {
208          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
209    
210          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
211            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
212            static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
213            static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
214        static String FilterEndlines(String s);
215    
216      protected:      protected:
217          int            hSocket;          int            hSocket;
# Line 150  class LSCPServer : public Thread { Line 233  class LSCPServer : public Thread {
233           */           */
234          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
235    
236            EngineChannel* GetEngineChannel(uint uiSamplerChannel);
237    
238                    /**
239                     * Gets the specified effect send on the specified sampler channel.
240                     */
241                    FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
242    
243            bool HasSoloChannel();
244            void MuteNonSoloChannels();
245            void UnmuteChannels();
246            
247            /**
248             * Throws an exception if the specified file is not found or
249             * if directory is specified.
250             */
251            static void VerifyFile(String Filename);
252    
253          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
254          static Mutex NotifyMutex;          static Mutex NotifyMutex;
255          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
# Line 159  class LSCPServer : public Thread { Line 259  class LSCPServer : public Thread {
259          static Mutex SubscriptionMutex;          static Mutex SubscriptionMutex;
260          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
261          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;  
262    
263          // Implementation of virtual method from class Thread.          //Protect main thread that generates real time notify messages
264          int Main();          //like voice count, stream count and buffer fill
265            //from LSCP server removing engines and channels from underneath
266            static Mutex RTNotifyMutex;
267    
268            class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
269                public MidiDeviceCountListener, public MidiInstrumentCountListener,
270                public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
271                public MidiInstrumentMapInfoListener, public FxSendCountListener,
272                public VoiceCountListener, public StreamCountListener, public BufferFillListener,
273                public TotalStreamCountListener, public TotalVoiceCountListener {
274    
275                public:
276                    /**
277                     * Invoked when the number of sampler channels has changed.
278                     * @param NewCount The new number of sampler channels.
279                     */
280                    virtual void ChannelCountChanged(int NewCount);
281    
282                    /**
283                     * Invoked when the number of audio output devices has changed.
284                     * @param NewCount The new number of audio output devices.
285                     */
286                    virtual void AudioDeviceCountChanged(int NewCount);
287    
288                    /**
289                     * Invoked when the number of MIDI input devices has changed.
290                     * @param NewCount The new number of MIDI input devices.
291                     */
292                    virtual void MidiDeviceCountChanged(int NewCount);
293    
294                    /**
295                     * Invoked when the number of MIDI instruments has changed.
296                     * @param MapId The numerical ID of the MIDI instrument map.
297                     * @param NewCount The new number of MIDI instruments.
298                     */
299                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
300    
301                    /**
302                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
303                     * @param MapId The numerical ID of the MIDI instrument map.
304                     * @param Bank The index of the MIDI bank, containing the instrument.
305                     * @param Program The MIDI program number of the instrument.
306                     */
307                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
308    
309                    /**
310                     * Invoked when the number of MIDI instrument maps has changed.
311                     * @param NewCount The new number of MIDI instruments.
312                     */
313                    virtual void MidiInstrumentMapCountChanged(int NewCount);
314    
315                    /**
316                     * Invoked when the settings of a MIDI instrument map are changed.
317                     * @param MapId The numerical ID of the MIDI instrument map.
318                     */
319                    virtual void MidiInstrumentMapInfoChanged(int MapId);
320    
321                    /**
322                     * Invoked when the number of effect sends
323                     * on the specified sampler channel has changed.
324                     * @param ChannelId The numerical ID of the sampler channel.
325                     * @param NewCount The new number of effect sends.
326                     */
327                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
328    
329                    /**
330                     * Invoked when the number of active voices
331                     * on the specified sampler channel has changed.
332                     * @param ChannelId The numerical ID of the sampler channel.
333                     * @param NewCount The new number of active voices.
334                     */
335                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
336    
337                    /**
338                     * Invoked when the number of active disk streams
339                     * on the specified sampler channel has changed.
340                     * @param ChannelId The numerical ID of the sampler channel.
341                     * @param NewCount The new number of active disk streams.
342                     */
343                    virtual void StreamCountChanged(int ChannelId, int NewCount);
344    
345                    /**
346                     * Invoked when the fill state of the disk stream
347                     * buffers on the specified sampler channel is changed.
348                     * @param ChannelId The numerical ID of the sampler channel.
349                     * @param FillData The buffer fill data for the specified sampler channel.
350                     */
351                    virtual void BufferFillChanged(int ChannelId, String FillData);
352    
353                    /**
354                     * Invoked when the total number of active voices is changed.
355                     * @param NewCount The new number of active voices.
356                     */
357                    virtual void TotalVoiceCountChanged(int NewCount);
358                    virtual void TotalStreamCountChanged(int NewCount);
359            } eventHandler;
360    
361    #if HAVE_SQLITE3
362            class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
363                public:
364                    virtual void DirectoryCountChanged(String Dir);
365                    virtual void DirectoryInfoChanged(String Dir);
366                    virtual void DirectoryNameChanged(String Dir, String NewName);
367                    virtual void InstrumentCountChanged(String Dir);
368                    virtual void InstrumentInfoChanged(String Instr);
369                    virtual void InstrumentNameChanged(String Instr, String NewName);
370                    virtual void JobStatusChanged(int JobId);
371            } dbInstrumentsEventHandler;
372    #endif // HAVE_SQLITE3
373  };  };
374    
375  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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