/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 219 by schoenebeck, Tue Aug 17 20:35:04 2004 UTC revision 475 by schoenebeck, Thu Mar 17 23:56:56 2005 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                              *
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 39  Line 40 
40  #include "lscpparser.h"  #include "lscpparser.h"
41  #include "lscp.h"  #include "lscp.h"
42  #include "lscpevent.h"  #include "lscpevent.h"
43    #include "lscpinstrumentloader.h"
44  #include "../Sampler.h"  #include "../Sampler.h"
45  #include "../common/Thread.h"  #include "../common/Thread.h"
46  #include "../common/Mutex.h"  #include "../common/Mutex.h"
# Line 47  Line 49 
49  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
50  #define LSCP_PORT 8888  #define LSCP_PORT 8888
51    
52    /// try up to 3 minutes to bind server socket
53    #define LSCP_SERVER_BIND_TIMEOUT 180
54    
55  using namespace LinuxSampler;  using namespace LinuxSampler;
56    
57  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
# Line 59  extern void restart(yyparse_param_t* ppa Line 64  extern void restart(yyparse_param_t* ppa
64  class LSCPServer : public Thread {  class LSCPServer : public Thread {
65      public:      public:
66          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler);
67            virtual ~LSCPServer();
68          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
69    
70          // Methods called by the parser          // Methods called by the parser
71          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
72          String DestroyMidiInputDevice(uint DeviceIndex);          String DestroyMidiInputDevice(uint DeviceIndex);
73          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
74          String LoadEngine(String EngineName, uint uiSamplerChannel);          String SetEngineType(String EngineName, uint uiSamplerChannel);
75          String GetChannels();          String GetChannels();
76          String ListChannels();          String ListChannels();
77          String AddChannel();          String AddChannel();
# Line 114  class LSCPServer : public Thread { Line 120  class LSCPServer : public Thread {
120          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
121          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
122          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
123          String SetVolume(double Volume, uint uiSamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
124          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
125          String ResetSampler();          String ResetSampler();
126          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
127          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
128            String QueryDatabase(String query);
129          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
130          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
131    
# Line 126  class LSCPServer : public Thread { Line 133  class LSCPServer : public Thread {
133          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
134    
135          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
136            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
137            static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
138            static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
139    
140      protected:      protected:
141          int            hSocket;          int            hSocket;
142          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
143          Sampler*       pSampler;          Sampler*       pSampler;
144          Condition      Initialized;          Condition      Initialized;
145            LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background
146    
147          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
148    
# Line 156  class LSCPServer : public Thread { Line 167  class LSCPServer : public Thread {
167          static Mutex SubscriptionMutex;          static Mutex SubscriptionMutex;
168          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
169          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;  
170    
171          // Implementation of virtual method from class Thread.          //Protect main thread that generates real time notify messages
172          int Main();          //like voice count, stream count and buffer fill
173            //from LSCP server removing engines and channels from underneath
174            static Mutex RTNotifyMutex;
175  };  };
176    
177  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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