/[svn]/linuxsampler/trunk/src/network/lscpserver.h
ViewVC logotype

Diff of /linuxsampler/trunk/src/network/lscpserver.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 155 by senkov, Mon Jun 28 04:30:11 2004 UTC revision 1133 by iliev, Mon Mar 26 08:27:06 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 26  Line 27 
27  #include <unistd.h>  #include <unistd.h>
28  #include <sys/types.h>  #include <sys/types.h>
29  #include <sys/socket.h>  #include <sys/socket.h>
30    #include <sys/select.h>
31    #include <sys/time.h>
32  #include <netinet/in.h>  #include <netinet/in.h>
33  #include <netinet/tcp.h>  #include <netinet/tcp.h>
34  #include <arpa/inet.h>  #include <arpa/inet.h>
35  #include <netdb.h>  #include <netdb.h>
36    
37    #include <list>
38    
39  #include "lscp.h"  #include "lscp.h"
40  #include "lscpparser.h"  #include "lscpparser.h"
41    #include "lscp.h"
42    #include "lscpevent.h"
43  #include "../Sampler.h"  #include "../Sampler.h"
44  #include "../common/Thread.h"  #include "../common/Thread.h"
45    #include "../common/Mutex.h"
46    #include "../common/Condition.h"
47    
48    #include "../drivers/midi/MidiInstrumentMapper.h"
49    
50  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
51    #define LSCP_ADDR INADDR_ANY
52  #define LSCP_PORT 8888  #define LSCP_PORT 8888
53    
54  using namespace LinuxSampler;  /// try up to 3 minutes to bind server socket
55    #define LSCP_SERVER_BIND_TIMEOUT 180
56    
57  /// Handle for a client connection (FIXME: doesn't work for more than one network connections of course, thus has to be included to the yyparse() parameters instead).  using namespace LinuxSampler;
 extern int hSession;  
58    
59  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
60  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
61  extern int yylex_init(yyscan_t* scanner);  extern void restart(yyparse_param_t* pparam, int& yychar);
 extern int yylex_destroy(yyscan_t yyscanner);  
62    
63  /**  /**
64   * Network server for the LinuxSampler Control Protocol (LSCP).   * Network server for the LinuxSampler Control Protocol (LSCP).
65   */   */
66  class LSCPServer : public Thread {  class LSCPServer : public Thread {
67      public:      public:
68          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler, long int addr, short int port);
69            virtual ~LSCPServer();
70            int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
71    
72          // Methods called by the parser          // Methods called by the parser
73          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
74          String DestroyMidiInputDevice(uint DeviceIndex);          String DestroyMidiInputDevice(uint DeviceIndex);
75          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
76          String LoadEngine(String EngineName, uint uiSamplerChannel);          String SetEngineType(String EngineName, uint uiSamplerChannel);
77          String GetChannels();          String GetChannels();
78            String ListChannels();
79          String AddChannel();          String AddChannel();
80          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
81          String GetAvailableEngines();          String GetAvailableEngines();
82            String ListAvailableEngines();
83          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
84          String GetChannelInfo(uint uiSamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
85          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
86          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
87          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
88          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
89            String ListAvailableAudioOutputDrivers();
90          String GetAvailableMidiInputDrivers();          String GetAvailableMidiInputDrivers();
91            String ListAvailableMidiInputDrivers();
92          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
93          String GetMidiInputDriverInfo(String Driver);          String GetMidiInputDriverInfo(String Driver);
94  #ifdef __GNUC__  #ifdef __GNUC__
# Line 93  class LSCPServer : public Thread { Line 110  class LSCPServer : public Thread {
110          String GetAudioOutputDeviceInfo(uint DeviceIndex);          String GetAudioOutputDeviceInfo(uint DeviceIndex);
111          String GetMidiInputDeviceInfo(uint DeviceIndex);          String GetMidiInputDeviceInfo(uint DeviceIndex);
112          String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);          String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
113            String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
114          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
115          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
116          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
117          String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);          String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
118          String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);          String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
119          String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);          String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
120          String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);          String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
121            String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
122          String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);          String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
123            String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
124            String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
125            String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
126          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
127          String SetMIDIInput(uint MIDIDevice, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
128          String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
129          String SetVolume(double Volume, uint uiSamplerChannel);          String SetChannelMute(bool bMute, uint uiSamplerChannel);
130            String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
131            String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
132            String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
133            String GetMidiInstrumentMappings(uint MidiMapID);
134            String GetAllMidiInstrumentMappings();
135            String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
136            String ListMidiInstrumentMappings(uint MidiMapID);
137            String ListAllMidiInstrumentMappings();
138            String ClearMidiInstrumentMappings(uint MidiMapID);
139            String ClearAllMidiInstrumentMappings();
140            String AddMidiInstrumentMap(String MapName = "");
141            String RemoveMidiInstrumentMap(uint MidiMapID);
142            String RemoveAllMidiInstrumentMaps();
143            String GetMidiInstrumentMaps();
144            String ListMidiInstrumentMaps();
145            String GetMidiInstrumentMap(uint MidiMapID);
146            String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
147            String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
148            String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
149            String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
150            String GetFxSends(uint uiSamplerChannel);
151            String ListFxSends(uint uiSamplerChannel);
152            String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
153            String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
154            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
155            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
156          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
157          String SubscribeNotification(event_t Event);          String ResetSampler();
158          String UnsubscribeNotification(event_t Event);          String GetServerInfo();
159            String GetTotalVoiceCount();
160            String GetTotalVoiceCountMax();
161            String GetGlobalVolume();
162            String SetGlobalVolume(double dVolume);
163            String SubscribeNotification(LSCPEvent::event_t);
164            String UnsubscribeNotification(LSCPEvent::event_t);
165            String QueryDatabase(String query);
166            String SetEcho(yyparse_param_t* pSession, double boolean_value);
167          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
168    
169            static int currentSocket;
170            static std::map<int,String> bufferedCommands;
171    
172            static void SendLSCPNotify( LSCPEvent Event );
173            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
174            static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
175            static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
176    
177      protected:      protected:
178          int            hSocket;          int            hSocket;
179          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
180          Sampler*       pSampler;          Sampler*       pSampler;
181            Condition      Initialized;
182    
183          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
184    
185      private:      private:
186            
187          /**          /**
188           * Find a created audio output device index.           * Find a created audio output device index.
189           */           */
190          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
191            
192          /**          /**
193           * Find a created midi input device index.           * Find a created midi input device index.
194           */           */
195          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
196    
197          /**          bool HasSoloChannel();
198           * Converts a result_t structure into a valid LSCP answer message.          void MuteNonSoloChannels();
199           */          void UnmuteChannels();
200          inline String ConvertResult(result_t result) {  
201              switch (result.type) {          static std::map<int,String> bufferedNotifies;
202                  case result_type_success: {          static Mutex NotifyMutex;
203                      return "OK\r\n";          static Mutex NotifyBufferMutex;
204                  }          static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
205                  case result_type_warning: {          static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
206                      std::stringstream ss;          static std::vector<yyparse_param_t> Sessions;
207                      ss << "WRN:" << result.code << ":" << result.message << "\r\n";          static Mutex SubscriptionMutex;
208                      return ss.str();          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
209                  }          static fd_set fdSet;
210                  case result_type_error: {  
211                      std::stringstream ss;          //Protect main thread that generates real time notify messages
212                      ss << "ERR:" << result.code << ":" << result.message << "\r\n";          //like voice count, stream count and buffer fill
213                      return ss.str();          //from LSCP server removing engines and channels from underneath
214                  }          static Mutex RTNotifyMutex;
215              }  
216          }          class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
217                public MidiDeviceCountListener, public MidiInstrumentCountListener,
218          template<class T> inline String ToString(T o) {              public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
219              std::stringstream ss;              public MidiInstrumentMapInfoListener, public FxSendCountListener,
220              ss << o;              public VoiceCountListener, public StreamCountListener,
221              return ss.str();              public BufferFillListener, public TotalVoiceCountListener {
222          }  
223  };              public:
224                    /**
225                     * Invoked when the number of sampler channels has changed.
226  /**                   * @param NewCount The new number of sampler channels.
227   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).                   */
228   */                  virtual void ChannelCountChanged(int NewCount);
229  class LSCPLoadInstrument : public Thread {          
230                    /**
231      public:                   * Invoked when the number of audio output devices has changed.
232          LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);                   * @param NewCount The new number of audio output devices.
233                     */
234      protected:                  virtual void AudioDeviceCountChanged(int NewCount);
235          // Instance variables.  
236          Engine* pEngine;                  /**
237          String  Filename;                   * Invoked when the number of MIDI input devices has changed.
238          uint    uiInstrument;                   * @param NewCount The new number of MIDI input devices.
239                     */
240          // Implementation of virtual method from class Thread.                  virtual void MidiDeviceCountChanged(int NewCount);
241          int Main();  
242                    /**
243                     * Invoked when the number of MIDI instruments has changed.
244                     * @param MapId The numerical ID of the MIDI instrument map.
245                     * @param NewCount The new number of MIDI instruments.
246                     */
247                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
248    
249                    /**
250                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
251                     * @param MapId The numerical ID of the MIDI instrument map.
252                     * @param Bank The index of the MIDI bank, containing the instrument.
253                     * @param Program The MIDI program number of the instrument.
254                     */
255                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
256        
257                    /**
258                     * Invoked when the number of MIDI instrument maps has changed.
259                     * @param NewCount The new number of MIDI instruments.
260                     */
261                    virtual void MidiInstrumentMapCountChanged(int NewCount);
262    
263                    /**
264                     * Invoked when the settings of a MIDI instrument map are changed.
265                     * @param MapId The numerical ID of the MIDI instrument map.
266                     */
267                    virtual void MidiInstrumentMapInfoChanged(int MapId);
268          
269                    /**
270                     * Invoked when the number of effect sends
271                     * on the specified sampler channel has changed.
272                     * @param ChannelId The numerical ID of the sampler channel.
273                     * @param NewCount The new number of effect sends.
274                     */
275                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
276    
277                    /**
278                     * Invoked when the number of active voices
279                     * on the specified sampler channel has changed.
280                     * @param ChannelId The numerical ID of the sampler channel.
281                     * @param NewCount The new number of active voices.
282                     */
283                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
284    
285                    /**
286                     * Invoked when the number of active disk streams
287                     * on the specified sampler channel has changed.
288                     * @param ChannelId The numerical ID of the sampler channel.
289                     * @param NewCount The new number of active disk streams.
290                     */
291                    virtual void StreamCountChanged(int ChannelId, int NewCount);
292    
293                    /**
294                     * Invoked when the fill state of the disk stream
295                     * buffers on the specified sampler channel is changed.
296                     * @param ChannelId The numerical ID of the sampler channel.
297                     * @param FillData The buffer fill data for the specified sampler channel.
298                     */
299                    virtual void BufferFillChanged(int ChannelId, String FillData);
300    
301                    /**
302                     * Invoked when the total number of active voices is changed.
303                     * @param NewCount The new number of active voices.
304                     */
305                    virtual void TotalVoiceCountChanged(int NewCount);
306            } eventHandler;
307  };  };
308    
309  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
Legend:
Removed from v.155  
changed lines
  Added in v.1133
  ViewVC Help
Powered by ViewVC