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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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#ifndef __LSCPSERVER_H_ |
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#define __LSCPSERVER_H_ |
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|
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/select.h> |
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#include <sys/time.h> |
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#include <netinet/in.h> |
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#include <netinet/tcp.h> |
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#include <arpa/inet.h> |
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#include <netdb.h> |
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|
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#include <list> |
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|
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#include "lscp.h" |
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#include "lscpparser.h" |
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#include "lscp.h" |
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#include "lscpevent.h" |
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#include "../Sampler.h" |
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#include "../common/Thread.h" |
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#include "../common/Mutex.h" |
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#include "../common/Condition.h" |
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|
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/// TCP Port on which the server should listen for connection requests. |
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#define LSCP_PORT 8888 |
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|
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/// try up to 3 minutes to bind server socket |
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#define LSCP_SERVER_BIND_TIMEOUT 180 |
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|
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using namespace LinuxSampler; |
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|
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// External references to the main scanner and parser functions |
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extern int yyparse(void* YYPARSE_PARAM); |
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extern void restart(yyparse_param_t* pparam, int& yychar); |
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|
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/** |
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* Network server for the LinuxSampler Control Protocol (LSCP). |
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*/ |
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class LSCPServer : public Thread { |
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public: |
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LSCPServer(Sampler* pSampler); |
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int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L); |
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|
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// Methods called by the parser |
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String DestroyAudioOutputDevice(uint DeviceIndex); |
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String DestroyMidiInputDevice(uint DeviceIndex); |
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String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false); |
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String LoadEngine(String EngineName, uint uiSamplerChannel); |
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String GetChannels(); |
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String ListChannels(); |
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String AddChannel(); |
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String RemoveChannel(uint uiSamplerChannel); |
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String GetAvailableEngines(); |
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String GetEngineInfo(String EngineName); |
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String GetChannelInfo(uint uiSamplerChannel); |
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String GetVoiceCount(uint uiSamplerChannel); |
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String GetStreamCount(uint uiSamplerChannel); |
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String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel); |
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String GetAvailableAudioOutputDrivers(); |
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String GetAvailableMidiInputDrivers(); |
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String GetAudioOutputDriverInfo(String Driver); |
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String GetMidiInputDriverInfo(String Driver); |
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#ifdef __GNUC__ |
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typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57) |
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String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap()); |
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String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap()); |
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String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap()); |
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String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap()); |
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#else |
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String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>()); |
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String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>()); |
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String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>()); |
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String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>()); |
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#endif // __GNUC__ |
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String GetAudioOutputDeviceCount(); |
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String GetMidiInputDeviceCount(); |
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String GetAudioOutputDevices(); |
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String GetMidiInputDevices(); |
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String GetAudioOutputDeviceInfo(uint DeviceIndex); |
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String GetMidiInputDeviceInfo(uint DeviceIndex); |
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String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex); |
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String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName); |
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String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId); |
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String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName); |
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String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal); |
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String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal); |
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String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal); |
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String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal); |
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String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel); |
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String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel); |
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String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel); |
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String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel); |
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String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel); |
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String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel); |
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String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel); |
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String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel); |
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String SetVolume(double dVolume, uint uiSamplerChannel); |
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String ResetChannel(uint uiSamplerChannel); |
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String ResetSampler(); |
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String SubscribeNotification(LSCPEvent::event_t); |
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String UnsubscribeNotification(LSCPEvent::event_t); |
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String SetEcho(yyparse_param_t* pSession, double boolean_value); |
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void AnswerClient(String ReturnMessage); |
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static int currentSocket; |
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static std::map<int,String> bufferedCommands; |
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|
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static void SendLSCPNotify( LSCPEvent Event ); |
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static int EventSubscribers( std::list<LSCPEvent::event_t> events ); |
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static void LockRTNotify( void ) { RTNotifyMutex.Lock(); } |
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static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); } |
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|
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protected: |
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int hSocket; |
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sockaddr_in SocketAddress; |
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Sampler* pSampler; |
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Condition Initialized; |
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|
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int Main(); ///< Implementation of virtual method from class Thread |
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private: |
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|
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/** |
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* Find a created audio output device index. |
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*/ |
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int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice); |
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|
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/** |
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* Find a created midi input device index. |
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*/ |
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int GetMidiInputDeviceIndex (MidiInputDevice *pDevice); |
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|
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static std::map<int,String> bufferedNotifies; |
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static Mutex NotifyMutex; |
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static Mutex NotifyBufferMutex; |
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static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter ); |
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static void CloseConnection( std::vector<yyparse_param_t>::iterator iter ); |
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static std::vector<yyparse_param_t> Sessions; |
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static Mutex SubscriptionMutex; |
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static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions; |
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static fd_set fdSet; |
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|
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//Protect main thread that generates real time notify messages |
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//like voice count, stream count and buffer fill |
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//from LSCP server removing engines and channels from underneath |
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static Mutex RTNotifyMutex; |
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}; |
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|
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/** |
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* Instrument loader thread for the LinuxSampler Control Protocol (LSCP). |
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*/ |
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class LSCPLoadInstrument : public Thread { |
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|
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public: |
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LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument); |
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protected: |
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// Instance variables. |
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Engine* pEngine; |
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String Filename; |
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uint uiInstrument; |
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|
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// Implementation of virtual method from class Thread. |
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int Main(); |
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}; |
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#endif // __LSCPSERVER_H_ |
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