/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 123 by schoenebeck, Mon Jun 14 19:33:16 2004 UTC revision 211 by schoenebeck, Sun Jul 25 23:27:41 2004 UTC
# 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 int yylex_init(yyscan_t* scanner);
# Line 55  extern int yylex_destroy(yyscan_t yyscan Line 60  extern int yylex_destroy(yyscan_t yyscan
60  class LSCPServer : public Thread {  class LSCPServer : public Thread {
61      public:      public:
62          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler);
63            int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
64    
65          // Methods called by the parser          // Methods called by the parser
         String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters);  
66          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
67          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel);          String DestroyMidiInputDevice(uint DeviceIndex);
68            String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
69          String LoadEngine(String EngineName, uint uiSamplerChannel);          String LoadEngine(String EngineName, uint uiSamplerChannel);
70          String GetChannels();          String GetChannels();
71            String ListChannels();
72          String AddChannel();          String AddChannel();
73          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
74          String GetAvailableEngines();          String GetAvailableEngines();
# Line 71  class LSCPServer : public Thread { Line 78  class LSCPServer : public Thread {
78          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
79          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
80          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
81            String GetAvailableMidiInputDrivers();
82          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
83            String GetMidiInputDriverInfo(String Driver);
84  #ifdef __GNUC__  #ifdef __GNUC__
85          typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)          typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
86          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
87            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
88            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
89            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
90  #else  #else
91          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
92            String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
93            String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
94            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
95  #endif // __GNUC__  #endif // __GNUC__
96          String GetAudioOutputDeviceCount();          String GetAudioOutputDeviceCount();
97            String GetMidiInputDeviceCount();
98          String GetAudioOutputDevices();          String GetAudioOutputDevices();
99            String GetMidiInputDevices();
100          String GetAudioOutputDeviceInfo(uint DeviceIndex);          String GetAudioOutputDeviceInfo(uint DeviceIndex);
101            String GetMidiInputDeviceInfo(uint DeviceIndex);
102            String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
103            String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
104          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
105          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
106          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
107          String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);          String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
108            String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
109            String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
110          String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);          String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
         String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);  
         String SetMIDIInputPort(String MIDIInputPort, uint uiSamplerchannel);  
         String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);  
111          String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);          String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
112            String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
113            String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
114            String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
115            String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
116            String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
117            String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
118          String SetVolume(double Volume, uint uiSamplerChannel);          String SetVolume(double Volume, uint uiSamplerChannel);
119          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
120          String SubscribeNotification(uint UDPPort);          String SubscribeNotification(LSCPEvent::event_t);
121          String UnsubscribeNotification(String SessionID);          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           * Converts a result_t structure into a valid LSCP answer message.           * Find a created audio output device index.
142           */           */
143          inline String ConvertResult(result_t result) {          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
144              switch (result.type) {  
145                  case result_type_success: {          /**
146                      return "OK\r\n";           * Find a created midi input device index.
147                  }           */
148                  case result_type_warning: {          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
149                      std::stringstream ss;  
150                      ss << "WRN:" << result.code << ":" << result.message << "\r\n";          static std::map<int,String> bufferedNotifies;
151                      return ss.str();          static Mutex NotifyMutex;
152                  }          static Mutex NotifyBufferMutex;
153                  case result_type_error: {          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 << "ERR:" << 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              }          static fd_set fdSet;
159          }  };
160    
161          template<class T> inline String ToString(T o) {  /**
162              std::stringstream ss;   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
163              ss << o;   */
164              return ss.str();  class LSCPLoadInstrument : public Thread {
165          }  
166        public:
167            LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
168    
169        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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