/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 143 by capela, Wed Jun 23 18:54:08 2004 UTC revision 170 by senkov, Sat Jul 3 20:08:07 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    
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 58  class LSCPServer : public Thread { Line 62  class LSCPServer : public Thread {
62    
63          // Methods called by the parser          // Methods called by the parser
64          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
65            String DestroyMidiInputDevice(uint DeviceIndex);
66          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          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();
# Line 70  class LSCPServer : public Thread { Line 75  class LSCPServer : public Thread {
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 GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
78            String GetAvailableMidiInputDrivers();
79          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
80            String GetMidiInputDriverInfo(String Driver);
81  #ifdef __GNUC__  #ifdef __GNUC__
82          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)
83          String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());          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());          String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
86            String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
87  #else  #else
88          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>());
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>());          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__  #endif // __GNUC__
93          String GetAudioOutputDeviceCount();          String GetAudioOutputDeviceCount();
94            String GetMidiInputDeviceCount();
95          String GetAudioOutputDevices();          String GetAudioOutputDevices();
96            String GetMidiInputDevices();
97          String GetAudioOutputDeviceInfo(uint DeviceIndex);          String GetAudioOutputDeviceInfo(uint DeviceIndex);
98            String GetMidiInputDeviceInfo(uint DeviceIndex);
99            String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
100          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
101          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
102          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
103          String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);          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);          String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
107            String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
108          String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);          String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
109          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
         String SetMIDIInputPort(String MIDIInputPort, uint uiSamplerchannel);  
110          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
111          String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);          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(event_t Event);          String SubscribeNotification(LSCPEvent::event_t);
117          String UnsubscribeNotification(event_t Event);          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          Sampler*       pSampler;          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           * Find a created audio output device index.           * Find a created audio output device index.
135           */           */
136          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
137            
138          /**          /**
139           * Converts a result_t structure into a valid LSCP answer message.           * Find a created midi input device index.
140           */           */
141          inline String ConvertResult(result_t result) {          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
             switch (result.type) {  
                 case result_type_success: {  
                     return "OK\r\n";  
                 }  
                 case result_type_warning: {  
                     std::stringstream ss;  
                     ss << "WRN:" << result.code << ":" << result.message << "\r\n";  
                     return ss.str();  
                 }  
                 case result_type_error: {  
                     std::stringstream ss;  
                     ss << "ERR:" << result.code << ":" << result.message << "\r\n";  
                     return ss.str();  
                 }  
             }  
         }  
   
         template<class T> inline String ToString(T o) {  
             std::stringstream ss;  
             ss << o;  
             return ss.str();  
         }  
 };  
142    
143            static std::map<int,String> bufferedNotifies;
144            static Mutex NotifyMutex;
145            static Mutex NotifyBufferMutex;
146            static bool GetLSCPCommand( std::vector<int>::iterator iter );
147            static void CloseConnection( std::vector<int>::iterator iter );
148            static std::vector<int> hSessions;
149            static Mutex SubscriptionMutex;
150            static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
151            static fd_set fdSet;
152    };
153    
154  /**  /**
155   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
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