/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 53 by schoenebeck, Mon Apr 26 17:15:51 2004 UTC revision 225 by schoenebeck, Sun Aug 22 14:46:47 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    #include "../common/Condition.h"
46    
47  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
48  #define LSCP_PORT 8888  #define LSCP_PORT 8888
49    
50  using namespace LinuxSampler;  using namespace LinuxSampler;
51    
 /// 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;  
   
52  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
53  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
54  extern int yylex_init(yyscan_t* scanner);  extern void restart(yyparse_param_t* pparam, int& yychar);
 extern int yylex_destroy(yyscan_t yyscanner);  
55    
56  /**  /**
57   * Network server for the LinuxSampler Control Protocol (LSCP).   * Network server for the LinuxSampler Control Protocol (LSCP).
# Line 55  extern int yylex_destroy(yyscan_t yyscan Line 59  extern int yylex_destroy(yyscan_t yyscan
59  class LSCPServer : public Thread {  class LSCPServer : public Thread {
60      public:      public:
61          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler);
62            int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
63    
64          // Methods called by the parser          // Methods called by the parser
65          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel);          String DestroyAudioOutputDevice(uint DeviceIndex);
66            String DestroyMidiInputDevice(uint DeviceIndex);
67            String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
68          String LoadEngine(String EngineName, uint uiSamplerChannel);          String LoadEngine(String EngineName, uint uiSamplerChannel);
69          String GetChannels();          String GetChannels();
70            String ListChannels();
71          String AddChannel();          String AddChannel();
72          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
73          String GetAvailableEngines();          String GetAvailableEngines();
# Line 68  class LSCPServer : public Thread { Line 76  class LSCPServer : public Thread {
76          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
77          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
78          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
79          String SetAudioOutputType(audio_output_type_t AudioOutputType, uint uiSamplerChannel);          String GetAvailableAudioOutputDrivers();
80          String SetAudioOutputChannel(uint AudioOutputChannel, uint uiSamplerChannel);          String GetAvailableMidiInputDrivers();
81          String SetMIDIInputType(midi_input_type_t MidiInputType, uint uiSamplerChannel);          String GetAudioOutputDriverInfo(String Driver);
82          String SetMIDIInputPort(String MIDIInputPort, uint uiSamplerchannel);          String GetMidiInputDriverInfo(String Driver);
83    #ifdef __GNUC__
84            typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
85            String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
86            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
87            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
88            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
89    #else
90            String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
91            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
92            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
93            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
94    #endif // __GNUC__
95            String GetAudioOutputDeviceCount();
96            String GetMidiInputDeviceCount();
97            String GetAudioOutputDevices();
98            String GetMidiInputDevices();
99            String GetAudioOutputDeviceInfo(uint DeviceIndex);
100            String GetMidiInputDeviceInfo(uint DeviceIndex);
101            String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
102            String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
103            String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
104            String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
105            String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
106            String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
107            String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
108            String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
109            String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
110            String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
111            String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
112            String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
113          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
114          String SetVolume(double Volume, uint uiSamplerChannel);          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
115            String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
116            String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
117            String SetVolume(double dVolume, uint uiSamplerChannel);
118          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
119          String SubscribeNotification(uint UDPPort);          String ResetSampler();
120          String UnsubscribeNotification(String SessionID);          String SubscribeNotification(LSCPEvent::event_t);
121            String UnsubscribeNotification(LSCPEvent::event_t);
122            String SetEcho(yyparse_param_t* pSession, double boolean_value);
123          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
124    
125            static int currentSocket;
126            static std::map<int,String> bufferedCommands;
127    
128            static void SendLSCPNotify( LSCPEvent Event );
129    
130      protected:      protected:
131          int            hSocket;          int            hSocket;
132          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
133          Sampler*       pSampler;          Sampler*       pSampler;
134            Condition      Initialized;
135    
136          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
137    
138      private:      private:
139    
140            /**
141             * Find a created audio output device index.
142             */
143            int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
144    
145          /**          /**
146           * Converts a result_t structure into a valid LSCP answer message.           * Find a created midi input device index.
147           */           */
148          inline String ConvertResult(result_t result) {          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
149              switch (result.type) {  
150                  case result_type_success: {          static std::map<int,String> bufferedNotifies;
151                      return "OK\r\n";          static Mutex NotifyMutex;
152                  }          static Mutex NotifyBufferMutex;
153                  case result_type_warning: {          static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
154                      std::stringstream ss;          static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
155                      ss << "WRN:" << result.code << ":" << result.message << "\r\n";          static std::vector<yyparse_param_t> Sessions;
156                      return ss.str();          static Mutex SubscriptionMutex;
157                  }          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
158                  case result_type_error: {          static fd_set fdSet;
159                      std::stringstream ss;  };
160                      ss << "ERR:" << result.code << ":" << result.message << "\r\n";  
161                      return ss.str();  /**
162                  }   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
163              }   */
164          }  class LSCPLoadInstrument : public Thread {
165    
166          template<class T> inline String ToString(T o) {      public:
167              std::stringstream ss;          LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
168              ss << o;  
169              return ss.str();      protected:
170          }          // Instance variables.
171            Engine* pEngine;
172            String  Filename;
173            uint    uiInstrument;
174    
175            // Implementation of virtual method from class Thread.
176            int Main();
177  };  };
178    
179  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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