/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 53 by schoenebeck, Mon Apr 26 17:15:51 2004 UTC revision 184 by senkov, Wed Jul 7 02:00:37 2004 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck         *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *                                                                         *   *                                                                         *
7   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
8   *   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 26  Line 26 
26  #include <unistd.h>  #include <unistd.h>
27  #include <sys/types.h>  #include <sys/types.h>
28  #include <sys/socket.h>  #include <sys/socket.h>
29    #include <sys/select.h>
30    #include <sys/time.h>
31  #include <netinet/in.h>  #include <netinet/in.h>
32  #include <netinet/tcp.h>  #include <netinet/tcp.h>
33  #include <arpa/inet.h>  #include <arpa/inet.h>
34  #include <netdb.h>  #include <netdb.h>
35    
36    #include <list>
37    
38  #include "lscp.h"  #include "lscp.h"
39  #include "lscpparser.h"  #include "lscpparser.h"
40    #include "lscp.h"
41    #include "lscpevent.h"
42  #include "../Sampler.h"  #include "../Sampler.h"
43  #include "../common/Thread.h"  #include "../common/Thread.h"
44    #include "../common/Mutex.h"
45    
46  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
47  #define LSCP_PORT 8888  #define LSCP_PORT 8888
48    
49  using namespace LinuxSampler;  using namespace LinuxSampler;
50    
 /// 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).  
 extern int hSession;  
   
51  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
52  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
53  extern int yylex_init(yyscan_t* scanner);  extern int yylex_init(yyscan_t* scanner);
# Line 57  class LSCPServer : public Thread { Line 61  class LSCPServer : public Thread {
61          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler);
62    
63          // Methods called by the parser          // Methods called by the parser
64          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel);          String DestroyAudioOutputDevice(uint DeviceIndex);
65            String DestroyMidiInputDevice(uint DeviceIndex);
66            String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
67          String LoadEngine(String EngineName, uint uiSamplerChannel);          String LoadEngine(String EngineName, uint uiSamplerChannel);
68          String GetChannels();          String GetChannels();
69          String AddChannel();          String AddChannel();
# Line 68  class LSCPServer : public Thread { Line 74  class LSCPServer : public Thread {
74          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
75          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
76          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
77          String SetAudioOutputType(audio_output_type_t AudioOutputType, uint uiSamplerChannel);          String GetAvailableAudioOutputDrivers();
78          String SetAudioOutputChannel(uint AudioOutputChannel, uint uiSamplerChannel);          String GetAvailableMidiInputDrivers();
79          String SetMIDIInputType(midi_input_type_t MidiInputType, uint uiSamplerChannel);          String GetAudioOutputDriverInfo(String Driver);
80          String SetMIDIInputPort(String MIDIInputPort, uint uiSamplerchannel);          String GetMidiInputDriverInfo(String Driver);
81    #ifdef __GNUC__
82            typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
83            String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
84            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
85            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
86            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
87    #else
88            String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
89            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
90            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
91            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
92    #endif // __GNUC__
93            String GetAudioOutputDeviceCount();
94            String GetMidiInputDeviceCount();
95            String GetAudioOutputDevices();
96            String GetMidiInputDevices();
97            String GetAudioOutputDeviceInfo(uint DeviceIndex);
98            String GetMidiInputDeviceInfo(uint DeviceIndex);
99            String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
100            String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
101            String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
102            String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
103            String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
104            String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
105            String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
106            String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
107            String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
108            String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
109            String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
110          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
111            String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
112            String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
113            String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
114          String SetVolume(double Volume, uint uiSamplerChannel);          String SetVolume(double Volume, uint uiSamplerChannel);
115          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
116          String SubscribeNotification(uint UDPPort);          String SubscribeNotification(LSCPEvent::event_t);
117          String UnsubscribeNotification(String SessionID);          String UnsubscribeNotification(LSCPEvent::event_t);
118          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
119    
120            static int currentSocket;
121            static std::map<int,String> bufferedCommands;
122    
123            static void SendLSCPNotify( LSCPEvent Event );
124    
125      protected:      protected:
126          int            hSocket;          int            hSocket;
127          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
128          Sampler*       pSampler;          Sampler*       pSampler;
129    
130          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
131    
132      private:      private:
133            
134          /**          /**
135           * Converts a result_t structure into a valid LSCP answer message.           * Find a created audio output device index.
136           */           */
137          inline String ConvertResult(result_t result) {          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
138              switch (result.type) {          
139                  case result_type_success: {          /**
140                      return "OK\r\n";           * Find a created midi input device index.
141                  }           */
142                  case result_type_warning: {          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
143                      std::stringstream ss;  
144                      ss << "WRN:" << result.code << ":" << result.message << "\r\n";          static std::map<int,String> bufferedNotifies;
145                      return ss.str();          static Mutex NotifyMutex;
146                  }          static Mutex NotifyBufferMutex;
147                  case result_type_error: {          static bool GetLSCPCommand( std::vector<int>::iterator iter );
148                      std::stringstream ss;          static void CloseConnection( std::vector<int>::iterator iter );
149                      ss << "ERR:" << result.code << ":" << result.message << "\r\n";          static std::vector<int> hSessions;
150                      return ss.str();          static Mutex SubscriptionMutex;
151                  }          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
152              }          static fd_set fdSet;
153          }  };
154    
155          template<class T> inline String ToString(T o) {  /**
156              std::stringstream ss;   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
157              ss << o;   */
158              return ss.str();  class LSCPLoadInstrument : public Thread {
159          }  
160        public:
161            LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
162    
163        protected:
164            // Instance variables.
165            Engine* pEngine;
166            String  Filename;
167            uint    uiInstrument;
168    
169            // Implementation of virtual method from class Thread.
170            int Main();
171  };  };
172    
173  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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