/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 35 by schoenebeck, Fri Mar 5 13:46:15 2004 UTC revision 170 by senkov, Sat Jul 3 20:08:07 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"
39  #include "lscpparser.h"  #include "lscpparser.h"
40  #include "../thread.h"  #include "lscp.h"
41  #include "../audiothread.h"  #include "lscpevent.h"
42    #include "../Sampler.h"
43    #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  /// 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;  
50    
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);
# Line 51  extern int yylex_destroy(yyscan_t yyscan Line 58  extern int yylex_destroy(yyscan_t yyscan
58   */   */
59  class LSCPServer : public Thread {  class LSCPServer : public Thread {
60      public:      public:
61          LSCPServer(AudioThread* pEngine);          LSCPServer(Sampler* pSampler);
62    
63          // Methods called by the parser          // Methods called by the parser
64          String LoadInstrument(String Filename, uint Instrument, uint SamplerChannel);          String DestroyAudioOutputDevice(uint DeviceIndex);
65          String LoadEngine(String EngineName, uint SamplerChannel);          String DestroyMidiInputDevice(uint DeviceIndex);
66            String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
67            String LoadEngine(String EngineName, uint uiSamplerChannel);
68          String GetChannels();          String GetChannels();
69          String AddChannel();          String AddChannel();
70          String RemoveChannel(uint SamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
71          String GetAvailableEngines();          String GetAvailableEngines();
72          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
73          String GetChannelInfo(uint SamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
74          String GetVoiceCount(uint SamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
75          String GetStreamCount(uint SamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
76          String GetBufferFill(fill_response_t ResponseType, uint SamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
77          String SetAudioOutputType(audio_output_type_t AudioOutputType, uint SamplerChannel);          String GetAvailableAudioOutputDrivers();
78          String SetAudioOutputChannel(uint AudioOutputChannel, uint SamplerChannel);          String GetAvailableMidiInputDrivers();
79          String SetMIDIInputPort(String MIDIInputPort, uint Samplerchannel);          String GetAudioOutputDriverInfo(String Driver);
80          String SetMIDIInputChannel(uint MIDIChannel, uint SamplerChannel);          String GetMidiInputDriverInfo(String Driver);
81          String SetVolume(double Volume, uint SamplerChannel);  #ifdef __GNUC__
82          String ResetChannel(uint SamplerChannel);          typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
83          String SubscribeNotification(uint UDPPort);          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
84          String UnsubscribeNotification(String SessionID);          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);
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);
115            String ResetChannel(uint uiSamplerChannel);
116            String SubscribeNotification(LSCPEvent::event_t);
117            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      protected:      protected:
123          int          hSocket;          int            hSocket;
124          sockaddr_in  SocketAddress;          sockaddr_in    SocketAddress;
125          AudioThread* pEngine; // FIXME: as long as we only have one engine...          Sampler*       pSampler;
126    
127          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
128    
129            static void SendLSCPNotify( LSCPEvent Event );
130    
131      private:      private:
132            
133          /**          /**
134           * Converts a result_t structure into a valid LSCP answer message.           * Find a created audio output device index.
135           */           */
136          inline String ConvertResult(result_t result) {          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
137              switch (result.type) {          
138                  case result_type_success: {          /**
139                      return "OK\r\n";           * Find a created midi input device index.
140                  }           */
141                  case result_type_warning: {          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
142                      std::stringstream ss;  
143                      ss << "WRN:" << result.code << ":" << result.message << "\r\n";          static std::map<int,String> bufferedNotifies;
144                      return ss.str();          static Mutex NotifyMutex;
145                  }          static Mutex NotifyBufferMutex;
146                  case result_type_error: {          static bool GetLSCPCommand( std::vector<int>::iterator iter );
147                      std::stringstream ss;          static void CloseConnection( std::vector<int>::iterator iter );
148                      ss << "ERR:" << result.code << ":" << result.message << "\r\n";          static std::vector<int> hSessions;
149                      return ss.str();          static Mutex SubscriptionMutex;
150                  }          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
151              }          static fd_set fdSet;
152          }  };
153    
154          inline String ToString(int i) {  /**
155              std::stringstream ss;   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
156              ss << i;   */
157              return ss.str();  class LSCPLoadInstrument : public Thread {
158          }  
159        public:
160          inline String ToString(double d) {          LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
161              std::stringstream ss;  
162              ss << d;      protected:
163              return ss.str();          // Instance variables.
164          }          Engine* pEngine;
165            String  Filename;
166            uint    uiInstrument;
167    
168            // Implementation of virtual method from class Thread.
169            int Main();
170  };  };
171    
172  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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