--- linuxsampler/trunk/src/network/lscpserver.h	2004/07/07 02:49:51	185
+++ linuxsampler/trunk/src/network/lscpserver.h	2005/03/17 23:56:56	475
@@ -3,19 +3,20 @@
  *   LinuxSampler - modular, streaming capable sampler                     *
  *                                                                         *
  *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
+ *   Copyright (C) 2005 Christian Schoenebeck                              *
  *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
+ *   This library is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
+ *   This library is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the Free Software           *
+ *   along with this library; if not, write to the Free Software           *
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
  *   MA  02111-1307  USA                                                   *
  ***************************************************************************/
@@ -39,19 +40,23 @@
 #include "lscpparser.h"
 #include "lscp.h"
 #include "lscpevent.h"
+#include "lscpinstrumentloader.h"
 #include "../Sampler.h"
 #include "../common/Thread.h"
 #include "../common/Mutex.h"
+#include "../common/Condition.h"
 
 /// TCP Port on which the server should listen for connection requests.
 #define LSCP_PORT 8888
 
+/// try up to 3 minutes to bind server socket
+#define LSCP_SERVER_BIND_TIMEOUT 180
+
 using namespace LinuxSampler;
 
 // External references to the main scanner and parser functions
 extern int yyparse(void* YYPARSE_PARAM);
-extern int yylex_init(yyscan_t* scanner);
-extern int yylex_destroy(yyscan_t yyscanner);
+extern void restart(yyparse_param_t* pparam, int& yychar);
 
 /**
  * Network server for the LinuxSampler Control Protocol (LSCP).
@@ -59,13 +64,16 @@
 class LSCPServer : public Thread {
     public:
         LSCPServer(Sampler* pSampler);
+        virtual ~LSCPServer();
+        int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
 
         // Methods called by the parser
         String DestroyAudioOutputDevice(uint DeviceIndex);
         String DestroyMidiInputDevice(uint DeviceIndex);
         String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
-        String LoadEngine(String EngineName, uint uiSamplerChannel);
+        String SetEngineType(String EngineName, uint uiSamplerChannel);
         String GetChannels();
+        String ListChannels();
         String AddChannel();
         String RemoveChannel(uint uiSamplerChannel);
         String GetAvailableEngines();
@@ -112,31 +120,39 @@
         String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
         String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
         String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
-        String SetVolume(double Volume, uint uiSamplerChannel);
+        String SetVolume(double dVolume, uint uiSamplerChannel);
         String ResetChannel(uint uiSamplerChannel);
+        String ResetSampler();
         String SubscribeNotification(LSCPEvent::event_t);
         String UnsubscribeNotification(LSCPEvent::event_t);
+	String QueryDatabase(String query);
+        String SetEcho(yyparse_param_t* pSession, double boolean_value);
         void   AnswerClient(String ReturnMessage);
 
 	static int currentSocket;
 	static std::map<int,String> bufferedCommands;
 
 	static void SendLSCPNotify( LSCPEvent Event );
+	static int EventSubscribers( std::list<LSCPEvent::event_t> events );
+	static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
+	static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
 
     protected:
         int            hSocket;
         sockaddr_in    SocketAddress;
         Sampler*       pSampler;
+        Condition      Initialized;
+        LSCPInstrumentLoader InstrumentLoader; ///< thread responsible for loading instruments in the background
 
         int Main(); ///< Implementation of virtual method from class Thread
 
     private:
-        
+
         /**
          * Find a created audio output device index.
          */
         int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
-	
+
         /**
          * Find a created midi input device index.
          */
@@ -145,30 +161,17 @@
 	static std::map<int,String> bufferedNotifies;
 	static Mutex NotifyMutex;
 	static Mutex NotifyBufferMutex;
-	static bool GetLSCPCommand( std::vector<int>::iterator iter );
-	static void CloseConnection( std::vector<int>::iterator iter );
-	static std::vector<int> hSessions;
+	static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
+	static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
+	static std::vector<yyparse_param_t> Sessions;
 	static Mutex SubscriptionMutex;
 	static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
 	static fd_set fdSet;
-};
-
-/**
- * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
- */
-class LSCPLoadInstrument : public Thread {
-
-    public:
-        LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
-
-    protected:
-        // Instance variables.
-        Engine* pEngine;
-        String  Filename;
-        uint    uiInstrument;
 
-        // Implementation of virtual method from class Thread.
-        int Main();
+	//Protect main thread that generates real time notify messages
+	//like voice count, stream count and buffer fill
+	//from LSCP server removing engines and channels from underneath
+	static Mutex RTNotifyMutex;
 };
 
 #endif // __LSCPSERVER_H_