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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This library 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 * |
* 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 * |
* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
* (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, * |
* This library is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
* 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 * |
* 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 * |
* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#include <unistd.h> |
#include <unistd.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/socket.h> |
#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> |
#include <netinet/in.h> |
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#include <netinet/tcp.h> |
#include <netinet/tcp.h> |
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#include <arpa/inet.h> |
#include <arpa/inet.h> |
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#include <netdb.h> |
#include <netdb.h> |
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#include <list> |
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#include "lscp.h" |
#include "lscp.h" |
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#include "lscpparser.h" |
#include "lscpparser.h" |
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#include "lscp.h" |
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#include "lscpevent.h" |
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#include "lscpinstrumentloader.h" |
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#include "../Sampler.h" |
#include "../Sampler.h" |
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#include "../common/Thread.h" |
#include "../common/Thread.h" |
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#include "../common/Mutex.h" |
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#include "../common/Condition.h" |
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/// TCP Port on which the server should listen for connection requests. |
/// TCP Port on which the server should listen for connection requests. |
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#define LSCP_PORT 8888 |
#define LSCP_PORT 8888 |
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using namespace LinuxSampler; |
/// try up to 3 minutes to bind server socket |
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#define LSCP_SERVER_BIND_TIMEOUT 180 |
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/// 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; |
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extern int hSession; |
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// External references to the main scanner and parser functions |
// External references to the main scanner and parser functions |
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extern int yyparse(void* YYPARSE_PARAM); |
extern int yyparse(void* YYPARSE_PARAM); |
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extern int yylex_init(yyscan_t* scanner); |
extern void restart(yyparse_param_t* pparam, int& yychar); |
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extern int yylex_destroy(yyscan_t yyscanner); |
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/** |
/** |
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* Network server for the LinuxSampler Control Protocol (LSCP). |
* Network server for the LinuxSampler Control Protocol (LSCP). |
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class LSCPServer : public Thread { |
class LSCPServer : public Thread { |
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public: |
public: |
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LSCPServer(Sampler* pSampler); |
LSCPServer(Sampler* pSampler); |
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virtual ~LSCPServer(); |
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int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L); |
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// Methods called by the parser |
// Methods called by the parser |
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String DestroyAudioOutputDevice(uint DeviceIndex); |
String DestroyAudioOutputDevice(uint DeviceIndex); |
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String DestroyMidiInputDevice(uint DeviceIndex); |
String DestroyMidiInputDevice(uint DeviceIndex); |
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String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false); |
String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false); |
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String LoadEngine(String EngineName, uint uiSamplerChannel); |
String SetEngineType(String EngineName, uint uiSamplerChannel); |
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String GetChannels(); |
String GetChannels(); |
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String ListChannels(); |
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String AddChannel(); |
String AddChannel(); |
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String RemoveChannel(uint uiSamplerChannel); |
String RemoveChannel(uint uiSamplerChannel); |
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String GetAvailableEngines(); |
String GetAvailableEngines(); |
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String GetAudioOutputDeviceInfo(uint DeviceIndex); |
String GetAudioOutputDeviceInfo(uint DeviceIndex); |
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String GetMidiInputDeviceInfo(uint DeviceIndex); |
String GetMidiInputDeviceInfo(uint DeviceIndex); |
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String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex); |
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); |
String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId); |
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String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName); |
String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName); |
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String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal); |
String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal); |
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String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel); |
String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel); |
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String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel); |
String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel); |
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String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel); |
String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel); |
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String SetVolume(double Volume, uint uiSamplerChannel); |
String SetVolume(double dVolume, uint uiSamplerChannel); |
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String ResetChannel(uint uiSamplerChannel); |
String ResetChannel(uint uiSamplerChannel); |
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String SubscribeNotification(event_t Event); |
String ResetSampler(); |
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String UnsubscribeNotification(event_t Event); |
String SubscribeNotification(LSCPEvent::event_t); |
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String UnsubscribeNotification(LSCPEvent::event_t); |
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String QueryDatabase(String query); |
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String SetEcho(yyparse_param_t* pSession, double boolean_value); |
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void AnswerClient(String ReturnMessage); |
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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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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protected: |
protected: |
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int hSocket; |
int hSocket; |
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sockaddr_in SocketAddress; |
sockaddr_in SocketAddress; |
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Sampler* pSampler; |
Sampler* pSampler; |
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Condition Initialized; |
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LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background |
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int Main(); ///< Implementation of virtual method from class Thread |
int Main(); ///< Implementation of virtual method from class Thread |
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private: |
private: |
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/** |
/** |
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* Find a created audio output device index. |
* Find a created audio output device index. |
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*/ |
*/ |
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int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice); |
int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice); |
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/** |
/** |
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* Find a created midi input device index. |
* Find a created midi input device index. |
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*/ |
*/ |
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int GetMidiInputDeviceIndex (MidiInputDevice *pDevice); |
int GetMidiInputDeviceIndex (MidiInputDevice *pDevice); |
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/** |
static std::map<int,String> bufferedNotifies; |
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* Converts a result_t structure into a valid LSCP answer message. |
static Mutex NotifyMutex; |
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*/ |
static Mutex NotifyBufferMutex; |
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inline String ConvertResult(result_t result) { |
static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter ); |
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switch (result.type) { |
static void CloseConnection( std::vector<yyparse_param_t>::iterator iter ); |
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case result_type_success: { |
static std::vector<yyparse_param_t> Sessions; |
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return "OK\r\n"; |
static Mutex SubscriptionMutex; |
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} |
static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions; |
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case result_type_warning: { |
static fd_set fdSet; |
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std::stringstream ss; |
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ss << "WRN:" << result.code << ":" << result.message << "\r\n"; |
//Protect main thread that generates real time notify messages |
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return ss.str(); |
//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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case result_type_error: { |
static Mutex RTNotifyMutex; |
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std::stringstream ss; |
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ss << "ERR:" << result.code << ":" << result.message << "\r\n"; |
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return ss.str(); |
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} |
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} |
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} |
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template<class T> inline String ToString(T o) { |
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std::stringstream ss; |
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ss << o; |
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return ss.str(); |
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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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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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// Implementation of virtual method from class Thread. |
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int Main(); |
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}; |
}; |
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#endif // __LSCPSERVER_H_ |
#endif // __LSCPSERVER_H_ |