/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp

Diff of /linuxsampler/trunk/src/network/lscpserver.cpp

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-revision 1781 by iliev,
Mon Sep 29 18:21:21 2008 UTC
+revision 3055 by schoenebeck,
Thu Dec 15 13:01:58 2016 UTC
 Line 3
   *   LinuxSampler - modular, streaming capable sampler                     *
   *                                                                         *
   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
-  *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
+  *   Copyright (C) 2005 - 2016 Christian Schoenebeck                       *
   *                                                                         *
   *   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  *
 Line 24
  #include <algorithm>
  #include <string>
+ #include "../common/File.h"
  #include "lscpserver.h"
  #include "lscpresultset.h"
  #include "lscpevent.h"
  #if defined(WIN32)
  #include <windows.h>
+ typedef unsigned short in_port_t;
+ typedef unsigned long in_addr_t;
  #else
  #include <fcntl.h>
  #endif
-Line 42
+Line 45
  #include "../engines/EngineChannelFactory.h"
  #include "../drivers/audio/AudioOutputDeviceFactory.h"
  #include "../drivers/midi/MidiInputDeviceFactory.h"
+ #include "../effects/EffectFactory.h"
  namespace LinuxSampler {
+ String lscpParserProcessShellInteraction(String& line, yyparse_param_t* param, bool possibilities);
  /**
   * Returns a copy of the given string where all special characters are
   * replaced by LSCP escape sequences ("\xHH"). This function shall be used
-Line 95 
 static String _escapeLscpResponse(String
+Line 101 
 static String _escapeLscpResponse(String
   */
  fd_set LSCPServer::fdSet;
  int LSCPServer::currentSocket = -1;
- std::vector<yyparse_param_t> LSCPServer::Sessions = std::vector<yyparse_param_t>();
+ std::vector<yyparse_param_t> LSCPServer::Sessions;
- std::vector<yyparse_param_t>::iterator itCurrentSession = std::vector<yyparse_param_t>::iterator();
+ std::vector<yyparse_param_t>::iterator itCurrentSession;
- std::map<int,String> LSCPServer::bufferedNotifies = std::map<int,String>();
+ std::map<int,String> LSCPServer::bufferedNotifies;
- std::map<int,String> LSCPServer::bufferedCommands = std::map<int,String>();
+ std::map<int,String> LSCPServer::bufferedCommands;
- std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions = std::map< LSCPEvent::event_t, std::list<int> >();
+ std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions;
- Mutex LSCPServer::NotifyMutex = Mutex();
+ Mutex LSCPServer::NotifyMutex;
- Mutex LSCPServer::NotifyBufferMutex = Mutex();
+ Mutex LSCPServer::NotifyBufferMutex;
- Mutex LSCPServer::SubscriptionMutex = Mutex();
+ Mutex LSCPServer::SubscriptionMutex;
- Mutex LSCPServer::RTNotifyMutex = Mutex();
+ Mutex LSCPServer::RTNotifyMutex;
  LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4), eventHandler(this) {
      SocketAddress.sin_family      = AF_INET;
-     SocketAddress.sin_addr.s_addr = addr;
+     SocketAddress.sin_addr.s_addr = (in_addr_t)addr;
-     SocketAddress.sin_port        = port;
+     SocketAddress.sin_port        = (in_port_t)port;
      this->pSampler = pSampler;
      LSCPEvent::RegisterEvent(LSCPEvent::event_audio_device_count, "AUDIO_OUTPUT_DEVICE_COUNT");
      LSCPEvent::RegisterEvent(LSCPEvent::event_audio_device_info, "AUDIO_OUTPUT_DEVICE_INFO");
-Line 136 
 LSCPServer::LSCPServer(Sampler* pSampler
+Line 142 
 LSCPServer::LSCPServer(Sampler* pSampler
      LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO");
      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_midi, "CHANNEL_MIDI");
      LSCPEvent::RegisterEvent(LSCPEvent::event_device_midi, "DEVICE_MIDI");
+     LSCPEvent::RegisterEvent(LSCPEvent::event_fx_instance_count, "EFFECT_INSTANCE_COUNT");
+     LSCPEvent::RegisterEvent(LSCPEvent::event_fx_instance_info, "EFFECT_INSTANCE_INFO");
+     LSCPEvent::RegisterEvent(LSCPEvent::event_send_fx_chain_count, "SEND_EFFECT_CHAIN_COUNT");
+     LSCPEvent::RegisterEvent(LSCPEvent::event_send_fx_chain_info, "SEND_EFFECT_CHAIN_INFO");
      hSocket = -1;
  }
  LSCPServer::~LSCPServer() {
+     CloseAllConnections();
+     InstrumentManager::StopBackgroundThread();
  #if defined(WIN32)
      if (hSocket >= 0) closesocket(hSocket);
  #else
-Line 334 
 void LSCPServer::DbInstrumentsEventHandl
+Line 346 
 void LSCPServer::DbInstrumentsEventHandl
  }
  #endif // HAVE_SQLITE3
+ void LSCPServer::RemoveListeners() {
+     pSampler->RemoveChannelCountListener(&eventHandler);
+     pSampler->RemoveAudioDeviceCountListener(&eventHandler);
+     pSampler->RemoveMidiDeviceCountListener(&eventHandler);
+     pSampler->RemoveVoiceCountListener(&eventHandler);
+     pSampler->RemoveStreamCountListener(&eventHandler);
+     pSampler->RemoveBufferFillListener(&eventHandler);
+     pSampler->RemoveTotalStreamCountListener(&eventHandler);
+     pSampler->RemoveTotalVoiceCountListener(&eventHandler);
+     pSampler->RemoveFxSendCountListener(&eventHandler);
+     MidiInstrumentMapper::RemoveMidiInstrumentCountListener(&eventHandler);
+     MidiInstrumentMapper::RemoveMidiInstrumentInfoListener(&eventHandler);
+     MidiInstrumentMapper::RemoveMidiInstrumentMapCountListener(&eventHandler);
+     MidiInstrumentMapper::RemoveMidiInstrumentMapInfoListener(&eventHandler);
+ #if HAVE_SQLITE3
+     InstrumentsDb::GetInstrumentsDb()->RemoveInstrumentsDbListener(&dbInstrumentsEventHandler);
+ #endif
+ }
  /**
   * Blocks the calling thread until the LSCP Server is initialized and
-Line 421 
 int LSCPServer::Main() {
+Line 451 
 int LSCPServer::Main() {
          #endif
          // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers
          {
+             LockGuard lock(EngineChannelFactory::EngineChannelsMutex);
              std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
              std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
              std::set<EngineChannel*>::iterator itEnd           = engineChannels.end();
-Line 489 
 int LSCPServer::Main() {
+Line 520 
 int LSCPServer::Main() {
              }
          }
          //Now let's deliver late notifies (if any)
-         NotifyBufferMutex.Lock();
+         {
-         for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
+             LockGuard lock(NotifyBufferMutex);
+             for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
  #ifdef MSG_NOSIGNAL
                  send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), MSG_NOSIGNAL);
  #else
                  send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), 0);
  #endif
-         }
+             }
-         bufferedNotifies.clear();
+             bufferedNotifies.clear();
-         NotifyBufferMutex.Unlock();
+         }
          fd_set selectSet = fdSet;
          timeout.tv_sec  = 0;
-Line 507 
 int LSCPServer::Main() {
+Line 539 
 int LSCPServer::Main() {
          int retval = select(maxSessions+1, &selectSet, NULL, NULL, &timeout);
-         if (retval == 0)
+         if (retval == 0 || (retval == -1 && errno == EINTR))
                  continue; //Nothing try again
          if (retval == -1) {
                  std::cerr << "LSCPServer: Socket select error." << std::endl;
-Line 534 
 int LSCPServer::Main() {
+Line 566 
 int LSCPServer::Main() {
                    exit(EXIT_FAILURE);
                  }
          #else
+                 struct linger linger;
+                 linger.l_onoff = 1;
+                 linger.l_linger = 0;
+                 if(setsockopt(socket, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger))) {
+                     std::cerr << "LSCPServer: Failed to set SO_LINGER\n";
+                 }
                  if (fcntl(socket, F_SETFL, O_NONBLOCK)) {
                          std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl;
                          exit(EXIT_FAILURE);
-Line 557 
 int LSCPServer::Main() {
+Line 596 
 int LSCPServer::Main() {
          //Something was selected and it was not the hSocket, so it must be some command(s) coming.
          for (std::vector<yyparse_param_t>::iterator iter = Sessions.begin(); iter != Sessions.end(); iter++) {
                  if (FD_ISSET((*iter).hSession, &selectSet)) {   //Was it this socket?
+                         currentSocket = (*iter).hSession;  //a hack
                          if (GetLSCPCommand(iter)) {     //Have we read the entire command?
                                  dmsg(3,("LSCPServer: Got command on socket %d, calling parser.\n", currentSocket));
                                  int dummy; // just a temporary hack to fulfill the restart() function prototype
                                  restart(NULL, dummy); // restart the 'scanner'
-                                 currentSocket = (*iter).hSession;  //a hack
                                  itCurrentSession = iter; // another hack
                                  dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));
                                  if ((*iter).bVerbose) { // if echo mode enabled
-Line 575 
 int LSCPServer::Main() {
+Line 614 
 int LSCPServer::Main() {
                                          CloseConnection(iter);
                                  }
                          }
+                         currentSocket = -1;     //continuation of a hack
                          //socket may have been closed, iter may be invalid, get out of the loop for now.
                          //we'll be back if there is data.
                          break;
-Line 589 
 void LSCPServer::CloseConnection( std::v
+Line 629 
 void LSCPServer::CloseConnection( std::v
          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Client connection terminated on socket", socket));
          Sessions.erase(iter);
          FD_CLR(socket,  &fdSet);
-         SubscriptionMutex.Lock(); //Must unsubscribe this socket from all events (if any)
+         {
-         for (std::map< LSCPEvent::event_t, std::list<int> >::iterator iter = eventSubscriptions.begin(); iter != eventSubscriptions.end(); iter++) {
+             LockGuard lock(SubscriptionMutex);
-                 iter->second.remove(socket);
+             // Must unsubscribe this socket from all events (if any)
-         }
+             for (std::map< LSCPEvent::event_t, std::list<int> >::iterator iter = eventSubscriptions.begin(); iter != eventSubscriptions.end(); iter++) {
-         SubscriptionMutex.Unlock();
+                 iter->second.remove(socket);
-         NotifyMutex.Lock();
+             }
+         }
+         LockGuard lock(NotifyMutex);
          bufferedCommands.erase(socket);
          bufferedNotifies.erase(socket);
          #if defined(WIN32)
-Line 602 
 void LSCPServer::CloseConnection( std::v
+Line 644 
 void LSCPServer::CloseConnection( std::v
          #else
          close(socket);
          #endif
-         NotifyMutex.Unlock();
- }
- void LSCPServer::LockRTNotify() {
-     RTNotifyMutex.Lock();
  }
- void LSCPServer::UnlockRTNotify() {
+ void LSCPServer::CloseAllConnections() {
-     RTNotifyMutex.Unlock();
+     std::vector<yyparse_param_t>::iterator iter = Sessions.begin();
+     while(iter != Sessions.end()) {
+         CloseConnection(iter);
+         iter = Sessions.begin();
+     }
  }
  int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) {
          int subs = 0;
-         SubscriptionMutex.Lock();
+         LockGuard lock(SubscriptionMutex);
          for( std::list<LSCPEvent::event_t>::iterator iter = events.begin();
                          iter != events.end(); iter++)
          {
                  subs += eventSubscriptions.count(*iter);
          }
-         SubscriptionMutex.Unlock();
          return subs;
  }
  void LSCPServer::SendLSCPNotify( LSCPEvent event ) {
-         SubscriptionMutex.Lock();
+         LockGuard lock(SubscriptionMutex);
          if (eventSubscriptions.count(event.GetType()) == 0) {
-                 SubscriptionMutex.Unlock();     //Nobody is subscribed to this event
+                 // Nobody is subscribed to this event
                  return;
          }
          std::list<int>::iterator iter = eventSubscriptions[event.GetType()].begin();
-Line 654 
 void LSCPServer::SendLSCPNotify( LSCPEve
+Line 694 
 void LSCPServer::SendLSCPNotify( LSCPEve
                          }
                  }
          }
-         SubscriptionMutex.Unlock();
  }
  extern int GetLSCPCommand( void *buf, int max_size ) {
-Line 671 
 extern int GetLSCPCommand( void *buf, in
+Line 710 
 extern int GetLSCPCommand( void *buf, in
          strcpy((char*) buf, command.c_str());
          LSCPServer::bufferedCommands.erase(LSCPServer::currentSocket);
-         return command.size();
+         return (int) command.size();
  }
  extern yyparse_param_t* GetCurrentYaccSession() {
-Line 679 
 extern yyparse_param_t* GetCurrentYaccSe
+Line 718 
 extern yyparse_param_t* GetCurrentYaccSe
  }
  /**
+  * Generate the relevant LSCP documentation reference section if necessary.
+  * The documentation section for the currently active command on the LSCP
+  * shell's command line will be encoded in a special format, specifically for
+  * the LSCP shell application.
+  *
+  * @param line - current LSCP command line
+  * @param param - reentrant Bison parser parameters
+  *
+  * @return encoded reference string or empty string if nothing shall be sent
+  *         to LSCP shell (client) at this point
+  */
+ String LSCPServer::generateLSCPDocReply(const String& line, yyparse_param_t* param) {
+     String result;
+     lscp_ref_entry_t* ref = lscp_reference_for_command(line.c_str());
+     // Pointer comparison works here, since the function above always
+     // returns the same constant pointer for the respective LSCP
+     // command ... Only send the LSCP reference section to the client if
+     // another LSCP reference section became relevant now:
+     if (ref != param->pLSCPDocRef) {
+         param->pLSCPDocRef = ref;
+         if (ref) { // send a new LSCP doc section to client ...
+             result += "SHD:" + ToString(LSCP_SHD_MATCH) + ":" + String(ref->name) + "\n";
+             result += String(ref->section) + "\n";
+             result += "."; // dot line marks the end of the text for client
+         } else { // inform client that no LSCP doc section matches right now ...
+             result = "SHD:" + ToString(LSCP_SHD_NO_MATCH);
+         }
+     }
+     dmsg(4,("LSCP doc reply -> '%s'\n", result.c_str()));
+     return result;
+ }
+ /**
   * Will be called to try to read the command from the socket
   * If command is read, it will return true. Otherwise false is returned.
   * In any case the received portion (complete or incomplete) is saved into bufferedCommand map.
   */
  bool LSCPServer::GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter ) {
          int socket = (*iter).hSession;
+         int result;
          char c;
-         int i = 0;
+         std::vector<char> input;
+         // first get as many character as possible and add it to the 'input' buffer
          while (true) {
                  #if defined(WIN32)
-                 int result = recv(socket, (char *)&c, 1, 0); //Read one character at a time for now
+                 result = (int)recv(socket, (char*)&c, 1, 0); //Read one character at a time for now
                  #else
-                 int result = recv(socket, (void *)&c, 1, 0); //Read one character at a time for now
+                 result = (int)recv(socket, (void*)&c, 1, 0); //Read one character at a time for now
                  #endif
-                 if (result == 0) { //socket was selected, so 0 here means client has closed the connection
+                 if (result == 1) input.push_back(c);
-                         CloseConnection(iter);
+                 else break; // end of input or some error
-                         break;
+                 if (c == '\n') break; // process line by line
+         }
+         // process input buffer
+         for (int i = 0; i < input.size(); ++i) {
+                 c = input[i];
+                 if (c == '\r') continue; //Ignore CR
+                 if (c == '\n') {
+                         // only if the other side is the LSCP shell application:
+                         // check the current (incomplete) command line for syntax errors,
+                         // possible completions and report everything back to the shell
+                         if ((*iter).bShellInteract || (*iter).bShellAutoCorrect) {
+                                 String s = lscpParserProcessShellInteraction(bufferedCommands[socket], &(*iter), false);
+                                 if (!s.empty() && (*iter).bShellInteract) AnswerClient(s + "\n");
+                         }
+                         // if other side is LSCP shell application, send the relevant LSCP
+                         // documentation section of the current command line (if necessary)
+                         if ((*iter).bShellSendLSCPDoc && (*iter).bShellInteract) {
+                                 String s = generateLSCPDocReply(bufferedCommands[socket], &(*iter));
+                                 if (!s.empty()) AnswerClient(s + "\n");
+                         }
+                         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Received \'" + bufferedCommands[socket] + "\' on socket", socket));
+                         bufferedCommands[socket] += "\r\n";
+                         return true; //Complete command was read
+                 } else if (c == 2) { // custom ASCII code usage for moving cursor left (LSCP shell)
+                         if (iter->iCursorOffset + bufferedCommands[socket].size() > 0)
+                                 iter->iCursorOffset--;
+                 } else if (c == 3) { // custom ASCII code usage for moving cursor right (LSCP shell)
+                         if (iter->iCursorOffset < 0) iter->iCursorOffset++;
+                 } else {
+                         ssize_t cursorPos = bufferedCommands[socket].size() + iter->iCursorOffset;
+                         // backspace character - should only happen with shell
+                         if (c == '\b') {
+                                 if (!bufferedCommands[socket].empty() && cursorPos > 0)
+                                         bufferedCommands[socket].erase(cursorPos - 1, 1);
+                         } else { // append (or insert) new character (at current cursor position) ...
+                                 if (cursorPos >= 0)
+                                         bufferedCommands[socket].insert(cursorPos, String(1,c)); // insert
+                                 else
+                                         bufferedCommands[socket] += c; // append
+                         }
                  }
-                 if (result == 1) {
+                 // Only if the other side (client) is the LSCP shell application:
-                         if (c == '\r')
+                 // The following block takes care about automatic correction, auto
-                                 continue; //Ignore CR
+                 // completion (and suggestions), LSCP reference documentation, etc.
-                         if (c == '\n') {
+                 // The "if" statement here is for optimization reasons, so that the
-                                 LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Received \'" + bufferedCommands[socket] + "\' on socket", socket));
+                 // heavy LSCP grammar evaluation algorithm is only executed once for an
-                                 bufferedCommands[socket] += "\r\n";
+                 // entire command line received.
-                                 return true; //Complete command was read
+                 if (i == input.size() - 1) {
+                         // check the current (incomplete) command line for syntax errors,
+                         // possible completions and report everything back to the shell
+                         if ((*iter).bShellInteract || (*iter).bShellAutoCorrect) {
+                                 String s = lscpParserProcessShellInteraction(bufferedCommands[socket], &(*iter), true);
+                                 if (!s.empty() && (*iter).bShellInteract && i == input.size() - 1)
+                                         AnswerClient(s + "\n");
+                         }
+                         // if other side is LSCP shell application, send the relevant LSCP
+                         // documentation section of the current command line (if necessary)
+                         if ((*iter).bShellSendLSCPDoc && (*iter).bShellInteract) {
+                                 String s = generateLSCPDocReply(bufferedCommands[socket], &(*iter));
+                                 if (!s.empty()) AnswerClient(s + "\n");
                          }
-                         bufferedCommands[socket] += c;
                  }
-                 #if defined(WIN32)
+         }
-                 if (result == SOCKET_ERROR) {
-                     int wsa_lasterror = WSAGetLastError();
+         // handle network errors ...
-                         if (wsa_lasterror == WSAEWOULDBLOCK) //Would block, try again later.
+         if (result == 0) { //socket was selected, so 0 here means client has closed the connection
+                 CloseConnection(iter);
+                 return false;
+         }
+         #if defined(WIN32)
+         if (result == SOCKET_ERROR) {
+                 int wsa_lasterror = WSAGetLastError();
+                 if (wsa_lasterror == WSAEWOULDBLOCK) //Would block, try again later.
+                         return false;
+                 dmsg(2,("LSCPScanner: Socket error after recv() Error %d.\n", wsa_lasterror));
+                 CloseConnection(iter);
+                 return false;
+         }
+         #else
+         if (result == -1) {
+                 if (errno == EAGAIN) //Would block, try again later.
+                         return false;
+                 switch(errno) {
+                         case EBADF:
+                                 dmsg(2,("LSCPScanner: The argument s is an invalid descriptor.\n"));
                                  return false;
-                         dmsg(2,("LSCPScanner: Socket error after recv() Error %d.\n", wsa_lasterror));
+                         case ECONNREFUSED:
-                         CloseConnection(iter);
+                                 dmsg(2,("LSCPScanner: A remote host refused to allow the network connection (typically because it is not running the requested service).\n"));
-                         break;
+                                 return false;
-                 }
+                         case ENOTCONN:
-                 #else
+                                 dmsg(2,("LSCPScanner: The socket is associated with a connection-oriented protocol and has not been connected (see connect(2) and accept(2)).\n"));
-                 if (result == -1) {
+                                 return false;
-                         if (errno == EAGAIN) //Would block, try again later.
+                         case ENOTSOCK:
+                                 dmsg(2,("LSCPScanner: The argument s does not refer to a socket.\n"));
+                                 return false;
+                         case EAGAIN:
+                                 dmsg(2,("LSCPScanner: The socket is marked non-blocking and the receive operation would block, or a receive timeout had been set and the timeout expired before data was received.\n"));
+                                 return false;
+                         case EINTR:
+                                 dmsg(2,("LSCPScanner: The receive was interrupted by delivery of a signal before any data were available.\n"));
+                                 return false;
+                         case EFAULT:
+                                 dmsg(2,("LSCPScanner: The receive buffer pointer(s) point outside the process's address space.\n"));
+                                 return false;
+                         case EINVAL:
+                                 dmsg(2,("LSCPScanner: Invalid argument passed.\n"));
+                                 return false;
+                         case ENOMEM:
+                                 dmsg(2,("LSCPScanner: Could not allocate memory for recvmsg.\n"));
+                                 return false;
+                         default:
+                                 dmsg(2,("LSCPScanner: Unknown recv() error.\n"));
                                  return false;
-                         switch(errno) {
-                                 case EBADF:
-                                         dmsg(2,("LSCPScanner: The argument s is an invalid descriptor.\n"));
-                                         break;
-                                 case ECONNREFUSED:
-                                         dmsg(2,("LSCPScanner: A remote host refused to allow the network connection (typically because it is not running the requested service).\n"));
-                                         break;
-                                 case ENOTCONN:
-                                         dmsg(2,("LSCPScanner: The socket is associated with a connection-oriented protocol and has not been connected (see connect(2) and accept(2)).\n"));
-                                         break;
-                                 case ENOTSOCK:
-                                         dmsg(2,("LSCPScanner: The argument s does not refer to a socket.\n"));
-                                         break;
-                                 case EAGAIN:
-                                         dmsg(2,("LSCPScanner: The socket is marked non-blocking and the receive operation would block, or a receive timeout had been set and the timeout expired before data was received.\n"));
-                                         break;
-                                 case EINTR:
-                                         dmsg(2,("LSCPScanner: The receive was interrupted by delivery of a signal before any data were available.\n"));
-                                         break;
-                                 case EFAULT:
-                                         dmsg(2,("LSCPScanner: The receive buffer pointer(s) point outside the process's address space.\n"));
-                                         break;
-                                 case EINVAL:
-                                         dmsg(2,("LSCPScanner: Invalid argument passed.\n"));
-                                         break;
-                                 case ENOMEM:
-                                         dmsg(2,("LSCPScanner: Could not allocate memory for recvmsg.\n"));
-                                         break;
-                                 default:
-                                         dmsg(2,("LSCPScanner: Unknown recv() error.\n"));
-                                         break;
-                         }
-                         CloseConnection(iter);
-                         break;
                  }
-                 #endif
+                 CloseConnection(iter);
+                 return false;
          }
+         #endif
          return false;
  }
-Line 767 
 bool LSCPServer::GetLSCPCommand( std::ve
+Line 900 
 bool LSCPServer::GetLSCPCommand( std::ve
   * @param ReturnMessage - message that will be send to the client
   */
  void LSCPServer::AnswerClient(String ReturnMessage) {
-     dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str()));
+     dmsg(2,("LSCPServer::AnswerClient(ReturnMessage='%s')", ReturnMessage.c_str()));
      if (currentSocket != -1) {
-             NotifyMutex.Lock();
+             LockGuard lock(NotifyMutex);
+         // just if other side is LSCP shell: in case respose is a multi-line
+         // one, then inform client about it before sending the actual mult-line
+         // response
+         if (GetCurrentYaccSession()->bShellInteract) {
+             // check if this is a multi-line response
+             int n = 0;
+             for (int i = 0; i < ReturnMessage.size(); ++i)
+                 if (ReturnMessage[i] == '\n') ++n;
+             if (n >= 2) {
+                 dmsg(2,("LSCP Shell <- expect mult-line response\n"));
+                 String s = LSCP_SHK_EXPECT_MULTI_LINE "\r\n";
+ #ifdef MSG_NOSIGNAL
+                 send(currentSocket, s.c_str(), s.size(), MSG_NOSIGNAL);
+ #else
+                 send(currentSocket, s.c_str(), s.size(), 0);
+ #endif
+             }
+         }
  #ifdef MSG_NOSIGNAL
              send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), MSG_NOSIGNAL);
  #else
              send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), 0);
  #endif
-             NotifyMutex.Unlock();
      }
  }
-Line 925 
 String LSCPServer::SetEngineType(String
+Line 1077 
 String LSCPServer::SetEngineType(String
      try {
          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
          if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
-         LockRTNotify();
+         LockGuard lock(RTNotifyMutex);
          pSamplerChannel->SetEngineType(EngineName);
          if(HasSoloChannel()) pSamplerChannel->GetEngineChannel()->SetMute(-1);
-         UnlockRTNotify();
      }
      catch (Exception e) {
           result.Error(e);
-Line 968 
 String LSCPServer::ListChannels() {
+Line 1119 
 String LSCPServer::ListChannels() {
   */
  String LSCPServer::AddChannel() {
      dmsg(2,("LSCPServer: AddChannel()\n"));
-     LockRTNotify();
+     SamplerChannel* pSamplerChannel;
-     SamplerChannel* pSamplerChannel = pSampler->AddSamplerChannel();
+     {
-     UnlockRTNotify();
+         LockGuard lock(RTNotifyMutex);
+         pSamplerChannel = pSampler->AddSamplerChannel();
+     }
      LSCPResultSet result(pSamplerChannel->Index());
      return result.Produce();
  }
-Line 981 
 String LSCPServer::AddChannel() {
+Line 1134 
 String LSCPServer::AddChannel() {
  String LSCPServer::RemoveChannel(uint uiSamplerChannel) {
      dmsg(2,("LSCPServer: RemoveChannel(SamplerChannel=%d)\n", uiSamplerChannel));
      LSCPResultSet result;
-     LockRTNotify();
+     {
-     pSampler->RemoveSamplerChannel(uiSamplerChannel);
+         LockGuard lock(RTNotifyMutex);
-     UnlockRTNotify();
+         pSampler->RemoveSamplerChannel(uiSamplerChannel);
+     }
      return result.Produce();
  }
-Line 994 
 String LSCPServer::GetAvailableEngines()
+Line 1148 
 String LSCPServer::GetAvailableEngines()
      dmsg(2,("LSCPServer: GetAvailableEngines()\n"));
      LSCPResultSet result;
      try {
-         int n = EngineFactory::AvailableEngineTypes().size();
+         int n = (int)EngineFactory::AvailableEngineTypes().size();
          result.Add(n);
      }
      catch (Exception e) {
-Line 1026 
 String LSCPServer::ListAvailableEngines(
+Line 1180 
 String LSCPServer::ListAvailableEngines(
  String LSCPServer::GetEngineInfo(String EngineName) {
      dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));
      LSCPResultSet result;
-     LockRTNotify();
+     {
-     try {
+         LockGuard lock(RTNotifyMutex);
-         Engine* pEngine = EngineFactory::Create(EngineName);
+         try {
-         result.Add("DESCRIPTION", _escapeLscpResponse(pEngine->Description()));
+             Engine* pEngine = EngineFactory::Create(EngineName);
-         result.Add("VERSION",     pEngine->Version());
+             result.Add("DESCRIPTION", _escapeLscpResponse(pEngine->Description()));
-         EngineFactory::Destroy(pEngine);
+             result.Add("VERSION",     pEngine->Version());
-     }
+             EngineFactory::Destroy(pEngine);
-     catch (Exception e) {
+         }
-          result.Error(e);
+         catch (Exception e) {
+             result.Error(e);
+         }
      }
-     UnlockRTNotify();
      return result.Produce();
  }
-Line 1197 
 String LSCPServer::GetAvailableAudioOutp
+Line 1352 
 String LSCPServer::GetAvailableAudioOutp
      dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));
      LSCPResultSet result;
      try {
-         int n = AudioOutputDeviceFactory::AvailableDrivers().size();
+         int n = (int) AudioOutputDeviceFactory::AvailableDrivers().size();
          result.Add(n);
      }
      catch (Exception e) {
-Line 1223 
 String LSCPServer::GetAvailableMidiInput
+Line 1378 
 String LSCPServer::GetAvailableMidiInput
      dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));
      LSCPResultSet result;
      try {
-         int n = MidiInputDeviceFactory::AvailableDrivers().size();
+         int n = (int)MidiInputDeviceFactory::AvailableDrivers().size();
          result.Add(n);
      }
      catch (Exception e) {
-Line 1259 
 String LSCPServer::GetMidiInputDriverInf
+Line 1414 
 String LSCPServer::GetMidiInputDriverInf
              for (;iter != parameters.end(); iter++) {
                  if (s != "") s += ",";
                  s += iter->first;
+                 delete iter->second;
              }
              result.Add("PARAMETERS", s);
          }
-Line 1283 
 String LSCPServer::GetAudioOutputDriverI
+Line 1439 
 String LSCPServer::GetAudioOutputDriverI
              for (;iter != parameters.end(); iter++) {
                  if (s != "") s += ",";
                  s += iter->first;
+                 delete iter->second;
              }
              result.Add("PARAMETERS", s);
          }
-Line 1294 
 String LSCPServer::GetAudioOutputDriverI
+Line 1451 
 String LSCPServer::GetAudioOutputDriverI
  }
  String LSCPServer::GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList) {
-     dmsg(2,("LSCPServer: GetMidiInputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),DependencyList.size()));
+     dmsg(2,("LSCPServer: GetMidiInputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),int(DependencyList.size())));
      LSCPResultSet result;
      try {
          DeviceCreationParameter* pParameter = MidiInputDeviceFactory::GetDriverParameter(Driver, Parameter);
-Line 1313 
 String LSCPServer::GetMidiInputDriverPar
+Line 1470 
 String LSCPServer::GetMidiInputDriverPar
          if (oRangeMin)      result.Add("RANGE_MIN",     *oRangeMin);
          if (oRangeMax)      result.Add("RANGE_MAX",     *oRangeMax);
          if (oPossibilities) result.Add("POSSIBILITIES", *oPossibilities);
+         delete pParameter;
      }
      catch (Exception e) {
          result.Error(e);
-Line 1321 
 String LSCPServer::GetMidiInputDriverPar
+Line 1479 
 String LSCPServer::GetMidiInputDriverPar
  }
  String LSCPServer::GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList) {
-     dmsg(2,("LSCPServer: GetAudioOutputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),DependencyList.size()));
+     dmsg(2,("LSCPServer: GetAudioOutputDriverParameterInfo(Driver=%s,Parameter=%s,DependencyListSize=%d)\n",Driver.c_str(),Parameter.c_str(),int(DependencyList.size())));
      LSCPResultSet result;
      try {
          DeviceCreationParameter* pParameter = AudioOutputDeviceFactory::GetDriverParameter(Driver, Parameter);
-Line 1340 
 String LSCPServer::GetAudioOutputDriverP
+Line 1498 
 String LSCPServer::GetAudioOutputDriverP
          if (oRangeMin)      result.Add("RANGE_MIN",     *oRangeMin);
          if (oRangeMax)      result.Add("RANGE_MAX",     *oRangeMax);
          if (oPossibilities) result.Add("POSSIBILITIES", *oPossibilities);
+         delete pParameter;
      }
      catch (Exception e) {
          result.Error(e);
-Line 1477 
 String LSCPServer::GetMidiInputPortInfo(
+Line 1636 
 String LSCPServer::GetMidiInputPortInfo(
  }
  String LSCPServer::GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId) {
-     dmsg(2,("LSCPServer: GetAudioOutputChannelInfo(DeviceId=%d,ChannelId)\n",DeviceId,ChannelId));
+     dmsg(2,("LSCPServer: GetAudioOutputChannelInfo(DeviceId=%u,ChannelId=%u)\n",DeviceId,ChannelId));
      LSCPResultSet result;
      try {
          // get audio output device
-Line 1681 
 String LSCPServer::SetAudioOutputChannel
+Line 1840 
 String LSCPServer::SetAudioOutputChannel
  String LSCPServer::SetAudioOutputDevice(uint AudioDeviceId, uint uiSamplerChannel) {
      dmsg(2,("LSCPServer: SetAudiotOutputDevice(AudioDeviceId=%d, SamplerChannel=%d)\n",AudioDeviceId,uiSamplerChannel));
      LSCPResultSet result;
-     LockRTNotify();
+     {
+         LockGuard lock(RTNotifyMutex);
+         try {
+             SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
+             if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
+             std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+             if (!devices.count(AudioDeviceId)) throw Exception("There is no audio output device with index " + ToString(AudioDeviceId));
+             AudioOutputDevice* pDevice = devices[AudioDeviceId];
+             pSamplerChannel->SetAudioOutputDevice(pDevice);
+         }
+         catch (Exception e) {
+             result.Error(e);
+         }
+     }
+     return result.Produce();
+ }
+ String LSCPServer::SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel) {
+     dmsg(2,("LSCPServer: SetAudioOutputType(String AudioOutputDriver=%s, SamplerChannel=%d)\n",AudioOutputDriver.c_str(),uiSamplerChannel));
+     LSCPResultSet result;
+     {
+         LockGuard lock(RTNotifyMutex);
+         try {
+             SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
+             if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
+             // Driver type name aliasing...
+             if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA";
+             if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK";
+             // Check if there's one audio output device already created
+             // for the intended audio driver type (AudioOutputDriver)...
+             AudioOutputDevice *pDevice = NULL;
+             std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+             std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin();
+             for (; iter != devices.end(); iter++) {
+                 if ((iter->second)->Driver() == AudioOutputDriver) {
+                     pDevice = iter->second;
+                     break;
+                 }
+             }
+             // If it doesn't exist, create a new one with default parameters...
+             if (pDevice == NULL) {
+                 std::map<String,String> params;
+                 pDevice = pSampler->CreateAudioOutputDevice(AudioOutputDriver, params);
+             }
+             // Must have a device...
+             if (pDevice == NULL)
+                 throw Exception("Internal error: could not create audio output device.");
+             // Set it as the current channel device...
+             pSamplerChannel->SetAudioOutputDevice(pDevice);
+         }
+         catch (Exception e) {
+             result.Error(e);
+         }
+     }
+     return result.Produce();
+ }
+ String LSCPServer::AddChannelMidiInput(uint uiSamplerChannel, uint MIDIDeviceId, uint MIDIPort) {
+     dmsg(2,("LSCPServer: AddChannelMidiInput(uiSamplerChannel=%d, MIDIDeviceId=%d, MIDIPort=%d)\n",uiSamplerChannel,MIDIDeviceId,MIDIPort));
+     LSCPResultSet result;
      try {
          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
          if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
-         std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
-         if (!devices.count(AudioDeviceId)) throw Exception("There is no audio output device with index " + ToString(AudioDeviceId));
+         std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
-         AudioOutputDevice* pDevice = devices[AudioDeviceId];
+         if (!devices.count(MIDIDeviceId)) throw Exception("There is no MIDI input device with index " + ToString(MIDIDeviceId));
-         pSamplerChannel->SetAudioOutputDevice(pDevice);
+         MidiInputDevice* pDevice = devices[MIDIDeviceId];
+         MidiInputPort* pPort = pDevice->GetPort(MIDIPort);
+         if (!pPort) throw Exception("There is no MIDI input port with index " + ToString(MIDIPort) + " on MIDI input device with index " + ToString(MIDIDeviceId));
+         pSamplerChannel->Connect(pPort);
+     } catch (Exception e) {
+         result.Error(e);
      }
-     catch (Exception e) {
+     return result.Produce();
-          result.Error(e);
+ }
+ String LSCPServer::RemoveChannelMidiInput(uint uiSamplerChannel) {
+     dmsg(2,("LSCPServer: RemoveChannelMidiInput(uiSamplerChannel=%d)\n",uiSamplerChannel));
+     LSCPResultSet result;
+     try {
+         SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
+         if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
+         pSamplerChannel->DisconnectAllMidiInputPorts();
+     } catch (Exception e) {
+         result.Error(e);
      }
-     UnlockRTNotify();
      return result.Produce();
  }
- String LSCPServer::SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel) {
+ String LSCPServer::RemoveChannelMidiInput(uint uiSamplerChannel, uint MIDIDeviceId) {
-     dmsg(2,("LSCPServer: SetAudioOutputType(String AudioOutputDriver=%s, SamplerChannel=%d)\n",AudioOutputDriver.c_str(),uiSamplerChannel));
+     dmsg(2,("LSCPServer: RemoveChannelMidiInput(uiSamplerChannel=%d, MIDIDeviceId=%d)\n",uiSamplerChannel,MIDIDeviceId));
      LSCPResultSet result;
-     LockRTNotify();
      try {
          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
          if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
-         // Driver type name aliasing...
-         if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA";
+         std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
-         if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK";
+         if (!devices.count(MIDIDeviceId)) throw Exception("There is no MIDI input device with index " + ToString(MIDIDeviceId));
-         // Check if there's one audio output device already created
+         MidiInputDevice* pDevice = devices[MIDIDeviceId];
-         // for the intended audio driver type (AudioOutputDriver)...
-         AudioOutputDevice *pDevice = NULL;
+         std::vector<MidiInputPort*> vPorts = pSamplerChannel->GetMidiInputPorts();
-         std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+         for (int i = 0; i < vPorts.size(); ++i)
-         std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin();
+             if (vPorts[i]->GetDevice() == pDevice)
-         for (; iter != devices.end(); iter++) {
+                 pSamplerChannel->Disconnect(vPorts[i]);
-             if ((iter->second)->Driver() == AudioOutputDriver) {
-                 pDevice = iter->second;
+     } catch (Exception e) {
-                 break;
+         result.Error(e);
-             }
-         }
-         // If it doesn't exist, create a new one with default parameters...
-         if (pDevice == NULL) {
-             std::map<String,String> params;
-             pDevice = pSampler->CreateAudioOutputDevice(AudioOutputDriver, params);
-         }
-         // Must have a device...
-         if (pDevice == NULL)
-             throw Exception("Internal error: could not create audio output device.");
-         // Set it as the current channel device...
-         pSamplerChannel->SetAudioOutputDevice(pDevice);
      }
-     catch (Exception e) {
+     return result.Produce();
-          result.Error(e);
+ }
+ String LSCPServer::RemoveChannelMidiInput(uint uiSamplerChannel, uint MIDIDeviceId, uint MIDIPort) {
+     dmsg(2,("LSCPServer: RemoveChannelMidiInput(uiSamplerChannel=%d, MIDIDeviceId=%d, MIDIPort=%d)\n",uiSamplerChannel,MIDIDeviceId,MIDIPort));
+     LSCPResultSet result;
+     try {
+         SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
+         if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
+         std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
+         if (!devices.count(MIDIDeviceId)) throw Exception("There is no MIDI input device with index " + ToString(MIDIDeviceId));
+         MidiInputDevice* pDevice = devices[MIDIDeviceId];
+         MidiInputPort* pPort = pDevice->GetPort(MIDIPort);
+         if (!pPort) throw Exception("There is no MIDI input port with index " + ToString(MIDIPort) + " on MIDI input device with index " + ToString(MIDIDeviceId));
+         pSamplerChannel->Disconnect(pPort);
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::ListChannelMidiInputs(uint uiSamplerChannel) {
+     dmsg(2,("LSCPServer: ListChannelMidiInputs(uiSamplerChannel=%d)\n",uiSamplerChannel));
+     LSCPResultSet result;
+     try {
+         SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
+         if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
+         std::vector<MidiInputPort*> vPorts = pSamplerChannel->GetMidiInputPorts();
+         String s;
+         for (int i = 0; i < vPorts.size(); ++i) {
+             const int iDeviceID = vPorts[i]->GetDevice()->MidiInputDeviceID();
+             const int iPortNr   = vPorts[i]->GetPortNumber();
+             if (s.size()) s += ",";
+             s += "{" + ToString(iDeviceID) + ","
+                      + ToString(iPortNr) + "}";
+         }
+         result.Add(s);
+     } catch (Exception e) {
+         result.Error(e);
      }
-     UnlockRTNotify();
      return result.Produce();
  }
-Line 1806 
 String LSCPServer::SetMIDIInputType(Stri
+Line 2067 
 String LSCPServer::SetMIDIInputType(Stri
              pDevice = pSampler->CreateMidiInputDevice(MidiInputDriver, params);
              // Make it with at least one initial port.
              std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
-             parameters["PORTS"]->SetValue("1");
          }
          // Must have a device...
          if (pDevice == NULL)
-Line 2176 
 String LSCPServer::GetMidiInstrumentMaps
+Line 2436 
 String LSCPServer::GetMidiInstrumentMaps
      dmsg(2,("LSCPServer: GetMidiInstrumentMaps()\n"));
      LSCPResultSet result;
      try {
-         result.Add(MidiInstrumentMapper::Maps().size());
+         result.Add(int(MidiInstrumentMapper::Maps().size()));
      } catch (Exception e) {
          result.Error(e);
      }
-Line 2343 
 String LSCPServer::GetFxSendInfo(uint ui
+Line 2603 
 String LSCPServer::GetFxSendInfo(uint ui
              AudioRouting += ToString(pFxSend->DestinationChannel(chan));
          }
+         const String sEffectRouting =
+             (pFxSend->DestinationEffectChain() >= 0 && pFxSend->DestinationEffectChainPosition() >= 0)
+                 ? ToString(pFxSend->DestinationEffectChain()) + "," + ToString(pFxSend->DestinationEffectChainPosition())
+                 : "NONE";
          // success
          result.Add("NAME", _escapeLscpResponse(pFxSend->Name()));
          result.Add("MIDI_CONTROLLER", pFxSend->MidiController());
          result.Add("LEVEL", ToString(pFxSend->Level()));
          result.Add("AUDIO_OUTPUT_ROUTING", AudioRouting);
+         result.Add("EFFECT", sEffectRouting);
      } catch (Exception e) {
          result.Error(e);
      }
-Line 2410 
 String LSCPServer::SetFxSendLevel(uint u
+Line 2676 
 String LSCPServer::SetFxSendLevel(uint u
      return result.Produce();
  }
+ String LSCPServer::SetFxSendEffect(uint uiSamplerChannel, uint FxSendID, int iSendEffectChain, int iEffectChainPosition) {
+     dmsg(2,("LSCPServer: SetFxSendEffect(%d,%d)\n", iSendEffectChain, iEffectChainPosition));
+     LSCPResultSet result;
+     try {
+         FxSend* pFxSend = GetFxSend(uiSamplerChannel, FxSendID);
+         pFxSend->SetDestinationEffect(iSendEffectChain, iEffectChainPosition);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_info, uiSamplerChannel, FxSendID));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::GetAvailableEffects() {
+     dmsg(2,("LSCPServer: GetAvailableEffects()\n"));
+     LSCPResultSet result;
+     try {
+         int n = EffectFactory::AvailableEffectsCount();
+         result.Add(n);
+     }
+     catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::ListAvailableEffects() {
+     dmsg(2,("LSCPServer: ListAvailableEffects()\n"));
+     LSCPResultSet result;
+     String list;
+     try {
+         //FIXME: for now we simply enumerate from 0 .. EffectFactory::AvailableEffectsCount() here, in future we should use unique IDs for effects during the whole sampler session. This issue comes into game when the user forces a reload of available effect plugins
+         int n = EffectFactory::AvailableEffectsCount();
+         for (int i = 0; i < n; i++) {
+             if (i) list += ",";
+             list += ToString(i);
+         }
+     }
+     catch (Exception e) {
+         result.Error(e);
+     }
+     result.Add(list);
+     return result.Produce();
+ }
+ String LSCPServer::GetEffectInfo(int iEffectIndex) {
+     dmsg(2,("LSCPServer: GetEffectInfo(%d)\n", iEffectIndex));
+     LSCPResultSet result;
+     try {
+         EffectInfo* pEffectInfo = EffectFactory::GetEffectInfo(iEffectIndex);
+         if (!pEffectInfo)
+             throw Exception("There is no effect with index " + ToString(iEffectIndex));
+         // convert the filename into the correct encoding as defined for LSCP
+         // (especially in terms of special characters -> escape sequences)
+ #if WIN32
+         const String dllFileName = Path::fromWindows(pEffectInfo->Module()).toLscp();
+ #else
+         // assuming POSIX
+         const String dllFileName = Path::fromPosix(pEffectInfo->Module()).toLscp();
+ #endif
+         result.Add("SYSTEM", pEffectInfo->EffectSystem());
+         result.Add("MODULE", dllFileName);
+         result.Add("NAME", _escapeLscpResponse(pEffectInfo->Name()));
+         result.Add("DESCRIPTION", _escapeLscpResponse(pEffectInfo->Description()));
+     }
+     catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::GetEffectInstanceInfo(int iEffectInstance) {
+     dmsg(2,("LSCPServer: GetEffectInstanceInfo(%d)\n", iEffectInstance));
+     LSCPResultSet result;
+     try {
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with ID " + ToString(iEffectInstance));
+         EffectInfo* pEffectInfo = pEffect->GetEffectInfo();
+         // convert the filename into the correct encoding as defined for LSCP
+         // (especially in terms of special characters -> escape sequences)
+ #if WIN32
+         const String dllFileName = Path::fromWindows(pEffectInfo->Module()).toLscp();
+ #else
+         // assuming POSIX
+         const String dllFileName = Path::fromPosix(pEffectInfo->Module()).toLscp();
+ #endif
+         result.Add("SYSTEM", pEffectInfo->EffectSystem());
+         result.Add("MODULE", dllFileName);
+         result.Add("NAME", _escapeLscpResponse(pEffectInfo->Name()));
+         result.Add("DESCRIPTION", _escapeLscpResponse(pEffectInfo->Description()));
+         result.Add("INPUT_CONTROLS", ToString(pEffect->InputControlCount()));
+     }
+     catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::GetEffectInstanceInputControlInfo(int iEffectInstance, int iInputControlIndex) {
+     dmsg(2,("LSCPServer: GetEffectInstanceInputControlInfo(%d,%d)\n", iEffectInstance, iInputControlIndex));
+     LSCPResultSet result;
+     try {
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with ID " + ToString(iEffectInstance));
+         EffectControl* pEffectControl = pEffect->InputControl(iInputControlIndex);
+         if (!pEffectControl)
+             throw Exception(
+                 "Effect instance " + ToString(iEffectInstance) +
+                 " does not have an input control with index " +
+                 ToString(iInputControlIndex)
+             );
+         result.Add("DESCRIPTION", _escapeLscpResponse(pEffectControl->Description()));
+         result.Add("VALUE", pEffectControl->Value());
+         if (pEffectControl->MinValue())
+              result.Add("RANGE_MIN", *pEffectControl->MinValue());
+         if (pEffectControl->MaxValue())
+              result.Add("RANGE_MAX", *pEffectControl->MaxValue());
+         if (!pEffectControl->Possibilities().empty())
+              result.Add("POSSIBILITIES", pEffectControl->Possibilities());
+         if (pEffectControl->DefaultValue())
+              result.Add("DEFAULT", *pEffectControl->DefaultValue());
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::SetEffectInstanceInputControlValue(int iEffectInstance, int iInputControlIndex, double dValue) {
+     dmsg(2,("LSCPServer: SetEffectInstanceInputControlValue(%d,%d,%f)\n", iEffectInstance, iInputControlIndex, dValue));
+     LSCPResultSet result;
+     try {
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with ID " + ToString(iEffectInstance));
+         EffectControl* pEffectControl = pEffect->InputControl(iInputControlIndex);
+         if (!pEffectControl)
+             throw Exception(
+                 "Effect instance " + ToString(iEffectInstance) +
+                 " does not have an input control with index " +
+                 ToString(iInputControlIndex)
+             );
+         pEffectControl->SetValue(dValue);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_instance_info, iEffectInstance));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::CreateEffectInstance(int iEffectIndex) {
+     dmsg(2,("LSCPServer: CreateEffectInstance(%d)\n", iEffectIndex));
+     LSCPResultSet result;
+     try {
+         EffectInfo* pEffectInfo = EffectFactory::GetEffectInfo(iEffectIndex);
+         if (!pEffectInfo)
+             throw Exception("There is no effect with index " + ToString(iEffectIndex));
+         Effect* pEffect = EffectFactory::Create(pEffectInfo);
+         result = pEffect->ID(); // success
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_instance_count, EffectFactory::EffectInstancesCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::CreateEffectInstance(String effectSystem, String module, String effectName) {
+     dmsg(2,("LSCPServer: CreateEffectInstance('%s','%s','%s')\n", effectSystem.c_str(), module.c_str(), effectName.c_str()));
+     LSCPResultSet result;
+     try {
+         // to allow loading the same LSCP session file on different systems
+         // successfully, probably with different effect plugin DLL paths or even
+         // running completely different operating systems, we do the following
+         // for finding the right effect:
+         //
+         // first try to search for an exact match of the effect plugin DLL
+         // (a.k.a 'module'), to avoid picking the wrong DLL with the same
+         // effect name ...
+         EffectInfo* pEffectInfo = EffectFactory::GetEffectInfo(effectSystem, module, effectName, EffectFactory::MODULE_MATCH_EXACTLY);
+         // ... if no effect with exactly matchin DLL filename was found, then
+         // try to lower the restrictions of matching the effect plugin DLL
+         // filename and try again and again ...
+         if (!pEffectInfo) {
+             dmsg(2,("no exact module match, trying MODULE_IGNORE_PATH\n"));
+             pEffectInfo = EffectFactory::GetEffectInfo(effectSystem, module, effectName, EffectFactory::MODULE_IGNORE_PATH);
+         }
+         if (!pEffectInfo) {
+             dmsg(2,("no module match, trying MODULE_IGNORE_PATH | MODULE_IGNORE_CASE\n"));
+             pEffectInfo = EffectFactory::GetEffectInfo(effectSystem, module, effectName, EffectFactory::MODULE_IGNORE_PATH | EffectFactory::MODULE_IGNORE_CASE);
+         }
+         if (!pEffectInfo) {
+             dmsg(2,("no module match, trying MODULE_IGNORE_PATH | MODULE_IGNORE_CASE | MODULE_IGNORE_EXTENSION\n"));
+             pEffectInfo = EffectFactory::GetEffectInfo(effectSystem, module, effectName, EffectFactory::MODULE_IGNORE_PATH | EffectFactory::MODULE_IGNORE_CASE | EffectFactory::MODULE_IGNORE_EXTENSION);
+         }
+         // ... if there was still no effect found, then completely ignore the
+         // DLL plugin filename argument and just search for the matching effect
+         // system type and effect name
+         if (!pEffectInfo) {
+             dmsg(2,("no module match, trying MODULE_IGNORE_ALL\n"));
+             pEffectInfo = EffectFactory::GetEffectInfo(effectSystem, module, effectName, EffectFactory::MODULE_IGNORE_ALL);
+         }
+         if (!pEffectInfo)
+             throw Exception("There is no such effect '" + effectSystem + "' '" + module + "' '" + effectName + "'");
+         Effect* pEffect = EffectFactory::Create(pEffectInfo);
+         result = LSCPResultSet(pEffect->ID());
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_instance_count, EffectFactory::EffectInstancesCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::DestroyEffectInstance(int iEffectInstance) {
+     dmsg(2,("LSCPServer: DestroyEffectInstance(%d)\n", iEffectInstance));
+     LSCPResultSet result;
+     try {
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with ID " + ToString(iEffectInstance));
+         EffectFactory::Destroy(pEffect);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_instance_count, EffectFactory::EffectInstancesCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::GetEffectInstances() {
+     dmsg(2,("LSCPServer: GetEffectInstances()\n"));
+     LSCPResultSet result;
+     try {
+         int n = EffectFactory::EffectInstancesCount();
+         result.Add(n);
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::ListEffectInstances() {
+     dmsg(2,("LSCPServer: ListEffectInstances()\n"));
+     LSCPResultSet result;
+     String list;
+     try {
+         int n = EffectFactory::EffectInstancesCount();
+         for (int i = 0; i < n; i++) {
+             Effect* pEffect = EffectFactory::GetEffectInstance(i);
+             if (i) list += ",";
+             list += ToString(pEffect->ID());
+         }
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     result.Add(list);
+     return result.Produce();
+ }
+ String LSCPServer::GetSendEffectChains(int iAudioOutputDevice) {
+     dmsg(2,("LSCPServer: GetSendEffectChains(%d)\n", iAudioOutputDevice));
+     LSCPResultSet result;
+     try {
+         std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+         if (!devices.count(iAudioOutputDevice))
+             throw Exception("There is no audio output device with index " + ToString(iAudioOutputDevice) + ".");
+         AudioOutputDevice* pDevice = devices[iAudioOutputDevice];
+         int n = pDevice->SendEffectChainCount();
+         result.Add(n);
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::ListSendEffectChains(int iAudioOutputDevice) {
+     dmsg(2,("LSCPServer: ListSendEffectChains(%d)\n", iAudioOutputDevice));
+     LSCPResultSet result;
+     String list;
+     try {
+         std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+         if (!devices.count(iAudioOutputDevice))
+             throw Exception("There is no audio output device with index " + ToString(iAudioOutputDevice) + ".");
+         AudioOutputDevice* pDevice = devices[iAudioOutputDevice];
+         int n = pDevice->SendEffectChainCount();
+         for (int i = 0; i < n; i++) {
+             EffectChain* pEffectChain = pDevice->SendEffectChain(i);
+             if (i) list += ",";
+             list += ToString(pEffectChain->ID());
+         }
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     result.Add(list);
+     return result.Produce();
+ }
+ String LSCPServer::AddSendEffectChain(int iAudioOutputDevice) {
+     dmsg(2,("LSCPServer: AddSendEffectChain(%d)\n", iAudioOutputDevice));
+     LSCPResultSet result;
+     try {
+         std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+         if (!devices.count(iAudioOutputDevice))
+             throw Exception("There is no audio output device with index " + ToString(iAudioOutputDevice) + ".");
+         AudioOutputDevice* pDevice = devices[iAudioOutputDevice];
+         EffectChain* pEffectChain = pDevice->AddSendEffectChain();
+         result = pEffectChain->ID();
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_send_fx_chain_count, iAudioOutputDevice, pDevice->SendEffectChainCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::RemoveSendEffectChain(int iAudioOutputDevice, int iSendEffectChain) {
+     dmsg(2,("LSCPServer: RemoveSendEffectChain(%d,%d)\n", iAudioOutputDevice, iSendEffectChain));
+     LSCPResultSet result;
+     try {
+         std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+         if (!devices.count(iAudioOutputDevice))
+             throw Exception("There is no audio output device with index " + ToString(iAudioOutputDevice) + ".");
+         std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
+         std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
+         std::set<EngineChannel*>::iterator itEnd           = engineChannels.end();
+         for (; itEngineChannel != itEnd; ++itEngineChannel) {
+             AudioOutputDevice* pDev = (*itEngineChannel)->GetAudioOutputDevice();
+             if (pDev != NULL && pDev->deviceId() == iAudioOutputDevice) {
+                 for (int i = 0; i < (*itEngineChannel)->GetFxSendCount(); i++) {
+                     FxSend* fxs = (*itEngineChannel)->GetFxSend(i);
+                     if(fxs != NULL && fxs->DestinationEffectChain() == iSendEffectChain) {
+                         throw Exception("The effect chain is still in use by channel " + ToString((*itEngineChannel)->GetSamplerChannel()->Index()));
+                     }
+                 }
+             }
+         }
+         AudioOutputDevice* pDevice = devices[iAudioOutputDevice];
+         for (int i = 0; i < pDevice->SendEffectChainCount(); i++) {
+             EffectChain* pEffectChain = pDevice->SendEffectChain(i);
+             if (pEffectChain->ID() == iSendEffectChain) {
+                 pDevice->RemoveSendEffectChain(i);
+                 LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_send_fx_chain_count, iAudioOutputDevice, pDevice->SendEffectChainCount()));
+                 return result.Produce();
+             }
+         }
+         throw Exception(
+             "There is no send effect chain with ID " +
+             ToString(iSendEffectChain) + " for audio output device " +
+             ToString(iAudioOutputDevice) + "."
+         );
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ static EffectChain* _getSendEffectChain(Sampler* pSampler, int iAudioOutputDevice, int iSendEffectChain) throw (Exception) {
+     std::map<uint,AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
+     if (!devices.count(iAudioOutputDevice))
+         throw Exception(
+             "There is no audio output device with index " +
+             ToString(iAudioOutputDevice) + "."
+         );
+     AudioOutputDevice* pDevice = devices[iAudioOutputDevice];
+     EffectChain* pEffectChain = pDevice->SendEffectChainByID(iSendEffectChain);
+     if(pEffectChain != NULL) return pEffectChain;
+     throw Exception(
+         "There is no send effect chain with ID " +
+         ToString(iSendEffectChain) + " for audio output device " +
+         ToString(iAudioOutputDevice) + "."
+     );
+ }
+ String LSCPServer::GetSendEffectChainInfo(int iAudioOutputDevice, int iSendEffectChain) {
+     dmsg(2,("LSCPServer: GetSendEffectChainInfo(%d,%d)\n", iAudioOutputDevice, iSendEffectChain));
+     LSCPResultSet result;
+     try {
+         EffectChain* pEffectChain =
+             _getSendEffectChain(pSampler, iAudioOutputDevice, iSendEffectChain);
+         String sEffectSequence;
+         for (int i = 0; i < pEffectChain->EffectCount(); i++) {
+             if (i) sEffectSequence += ",";
+             sEffectSequence += ToString(pEffectChain->GetEffect(i)->ID());
+         }
+         result.Add("EFFECT_COUNT", pEffectChain->EffectCount());
+         result.Add("EFFECT_SEQUENCE", sEffectSequence);
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::AppendSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectInstance) {
+     dmsg(2,("LSCPServer: AppendSendEffectChainEffect(%d,%d,%d)\n", iAudioOutputDevice, iSendEffectChain, iEffectInstance));
+     LSCPResultSet result;
+     try {
+         EffectChain* pEffectChain =
+             _getSendEffectChain(pSampler, iAudioOutputDevice, iSendEffectChain);
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with ID " + ToString(iEffectInstance));
+         pEffectChain->AppendEffect(pEffect);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_send_fx_chain_info, iAudioOutputDevice, iSendEffectChain, pEffectChain->EffectCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::InsertSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectChainPosition, int iEffectInstance) {
+     dmsg(2,("LSCPServer: InsertSendEffectChainEffect(%d,%d,%d,%d)\n", iAudioOutputDevice, iSendEffectChain, iEffectChainPosition, iEffectInstance));
+     LSCPResultSet result;
+     try {
+         EffectChain* pEffectChain =
+             _getSendEffectChain(pSampler, iAudioOutputDevice, iSendEffectChain);
+         Effect* pEffect = EffectFactory::GetEffectInstanceByID(iEffectInstance);
+         if (!pEffect)
+             throw Exception("There is no effect instance with index " + ToString(iEffectInstance));
+         pEffectChain->InsertEffect(pEffect, iEffectChainPosition);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_send_fx_chain_info, iAudioOutputDevice, iSendEffectChain, pEffectChain->EffectCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::RemoveSendEffectChainEffect(int iAudioOutputDevice, int iSendEffectChain, int iEffectChainPosition) {
+     dmsg(2,("LSCPServer: RemoveSendEffectChainEffect(%d,%d,%d)\n", iAudioOutputDevice, iSendEffectChain, iEffectChainPosition));
+     LSCPResultSet result;
+     try {
+         EffectChain* pEffectChain =
+             _getSendEffectChain(pSampler, iAudioOutputDevice, iSendEffectChain);
+         std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
+         std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
+         std::set<EngineChannel*>::iterator itEnd           = engineChannels.end();
+         for (; itEngineChannel != itEnd; ++itEngineChannel) {
+             AudioOutputDevice* pDev = (*itEngineChannel)->GetAudioOutputDevice();
+             if (pDev != NULL && pDev->deviceId() == iAudioOutputDevice) {
+                 for (int i = 0; i < (*itEngineChannel)->GetFxSendCount(); i++) {
+                     FxSend* fxs = (*itEngineChannel)->GetFxSend(i);
+                     if(fxs != NULL && fxs->DestinationEffectChain() == iSendEffectChain && fxs->DestinationEffectChainPosition() == iEffectChainPosition) {
+                         throw Exception("The effect instance is still in use by channel " + ToString((*itEngineChannel)->GetSamplerChannel()->Index()));
+                     }
+                 }
+             }
+         }
+         pEffectChain->RemoveEffect(iEffectChainPosition);
+         LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_send_fx_chain_info, iAudioOutputDevice, iSendEffectChain, pEffectChain->EffectCount()));
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
  String LSCPServer::EditSamplerChannelInstrument(uint uiSamplerChannel) {
      dmsg(2,("LSCPServer: EditSamplerChannelInstrument(SamplerChannel=%d)\n", uiSamplerChannel));
      LSCPResultSet result;
-Line 2422 
 String LSCPServer::EditSamplerChannelIns
+Line 3155 
 String LSCPServer::EditSamplerChannelIns
          InstrumentManager::instrument_id_t instrumentID;
          instrumentID.FileName = pEngineChannel->InstrumentFileName();
          instrumentID.Index    = pEngineChannel->InstrumentIndex();
-         pInstrumentManager->LaunchInstrumentEditor(instrumentID);
+         pInstrumentManager->LaunchInstrumentEditor(pEngineChannel, instrumentID);
      } catch (Exception e) {
          result.Error(e);
      }
-Line 2458 
 String LSCPServer::SendChannelMidiData(S
+Line 3191 
 String LSCPServer::SendChannelMidiData(S
              pMidiDevice->SendNoteOffToDevice(Arg1, Arg2);
              bool b = pMidiDevice->SendNoteOffToSampler(Arg1, Arg2);
              if (!b) throw Exception("MIDI event failed: " + MidiMsg + " " + ToString(Arg1) + " " + ToString(Arg2));
+         } else if (MidiMsg == "CC") {
+             pMidiDevice->SendCCToDevice(Arg1, Arg2);
+             bool b = pMidiDevice->SendCCToSampler(Arg1, Arg2);
+             if (!b) throw Exception("MIDI event failed: " + MidiMsg + " " + ToString(Arg1) + " " + ToString(Arg2));
          } else {
              throw Exception("Unknown MIDI message type: " + MidiMsg);
          }
-Line 2540 
 String LSCPServer::GetTotalVoiceCount()
+Line 3277 
 String LSCPServer::GetTotalVoiceCount()
  String LSCPServer::GetTotalVoiceCountMax() {
      dmsg(2,("LSCPServer: GetTotalVoiceCountMax()\n"));
      LSCPResultSet result;
-     result.Add(EngineFactory::EngineInstances().size() * CONFIG_MAX_VOICES);
+     result.Add(int(EngineFactory::EngineInstances().size() * pSampler->GetGlobalMaxVoices()));
+     return result.Produce();
+ }
+ /**
+  * Will be called by the parser to return the sampler global maximum
+  * allowed number of voices.
+  */
+ String LSCPServer::GetGlobalMaxVoices() {
+     dmsg(2,("LSCPServer: GetGlobalMaxVoices()\n"));
+     LSCPResultSet result;
+     result.Add(pSampler->GetGlobalMaxVoices());
+     return result.Produce();
+ }
+ /**
+  * Will be called by the parser to set the sampler global maximum number of
+  * voices.
+  */
+ String LSCPServer::SetGlobalMaxVoices(int iVoices) {
+     dmsg(2,("LSCPServer: SetGlobalMaxVoices(%d)\n", iVoices));
+     LSCPResultSet result;
+     try {
+         pSampler->SetGlobalMaxVoices(iVoices);
+         LSCPServer::SendLSCPNotify(
+             LSCPEvent(LSCPEvent::event_global_info, "VOICES", pSampler->GetGlobalMaxVoices())
+         );
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ /**
+  * Will be called by the parser to return the sampler global maximum
+  * allowed number of disk streams.
+  */
+ String LSCPServer::GetGlobalMaxStreams() {
+     dmsg(2,("LSCPServer: GetGlobalMaxStreams()\n"));
+     LSCPResultSet result;
+     result.Add(pSampler->GetGlobalMaxStreams());
+     return result.Produce();
+ }
+ /**
+  * Will be called by the parser to set the sampler global maximum number of
+  * disk streams.
+  */
+ String LSCPServer::SetGlobalMaxStreams(int iStreams) {
+     dmsg(2,("LSCPServer: SetGlobalMaxStreams(%d)\n", iStreams));
+     LSCPResultSet result;
+     try {
+         pSampler->SetGlobalMaxStreams(iStreams);
+         LSCPServer::SendLSCPNotify(
+             LSCPEvent(LSCPEvent::event_global_info, "STREAMS", pSampler->GetGlobalMaxStreams())
+         );
+     } catch (Exception e) {
+         result.Error(e);
+     }
      return result.Produce();
  }
-Line 2584 
 String LSCPServer::GetFileInstruments(St
+Line 3379 
 String LSCPServer::GetFileInstruments(St
                  std::vector<InstrumentManager::instrument_id_t> IDs =
                      pManager->GetInstrumentFileContent(Filename);
                  // return the amount of instruments in the file
-                 result.Add(IDs.size());
+                 result.Add((int)IDs.size());
                  // no more need to ask other engine types
                  bFound = true;
              } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
-Line 2728 
 void LSCPServer::VerifyFile(String Filen
+Line 3523 
 void LSCPServer::VerifyFile(String Filen
          throw Exception("Directory is specified");
      }
      #else
-     struct stat statBuf;
+     File f(Filename);
-     int res = stat(Filename.c_str(), &statBuf);
+     if(!f.Exist()) throw Exception(f.GetErrorMsg());
-     if (res) {
+     if (f.IsDirectory()) throw Exception("Directory is specified");
-         std::stringstream ss;
-         ss << "Fail to stat `" << Filename << "`: " << strerror(errno);
-         throw Exception(ss.str());
-     }
-     if (S_ISDIR(statBuf.st_mode)) {
-         throw Exception("Directory is specified");
-     }
      #endif
  }
-Line 2749 
 void LSCPServer::VerifyFile(String Filen
+Line 3536 
 void LSCPServer::VerifyFile(String Filen
  String LSCPServer::SubscribeNotification(LSCPEvent::event_t type) {
      dmsg(2,("LSCPServer: SubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str()));
      LSCPResultSet result;
-     SubscriptionMutex.Lock();
+     {
-     eventSubscriptions[type].push_back(currentSocket);
+         LockGuard lock(SubscriptionMutex);
-     SubscriptionMutex.Unlock();
+         eventSubscriptions[type].push_back(currentSocket);
+     }
      return result.Produce();
  }
-Line 2762 
 String LSCPServer::SubscribeNotification
+Line 3550 
 String LSCPServer::SubscribeNotification
  String LSCPServer::UnsubscribeNotification(LSCPEvent::event_t type) {
      dmsg(2,("LSCPServer: UnsubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str()));
      LSCPResultSet result;
-     SubscriptionMutex.Lock();
+     {
-     eventSubscriptions[type].remove(currentSocket);
+         LockGuard lock(SubscriptionMutex);
-     SubscriptionMutex.Unlock();
+         eventSubscriptions[type].remove(currentSocket);
+     }
      return result.Produce();
  }
-Line 3289 
 String LSCPServer::SetEcho(yyparse_param
+Line 4078 
 String LSCPServer::SetEcho(yyparse_param
      }
      return result.Produce();
  }
+ String LSCPServer::SetShellInteract(yyparse_param_t* pSession, double boolean_value) {
+     dmsg(2,("LSCPServer: SetShellInteract(val=%f)\n", boolean_value));
+     LSCPResultSet result;
+     try {
+         if      (boolean_value == 0) pSession->bShellInteract = false;
+         else if (boolean_value == 1) pSession->bShellInteract = true;
+         else throw Exception("Not a boolean value, must either be 0 or 1");
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::SetShellAutoCorrect(yyparse_param_t* pSession, double boolean_value) {
+     dmsg(2,("LSCPServer: SetShellAutoCorrect(val=%f)\n", boolean_value));
+     LSCPResultSet result;
+     try {
+         if      (boolean_value == 0) pSession->bShellAutoCorrect = false;
+         else if (boolean_value == 1) pSession->bShellAutoCorrect = true;
+         else throw Exception("Not a boolean value, must either be 0 or 1");
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
+ String LSCPServer::SetShellDoc(yyparse_param_t* pSession, double boolean_value) {
+     dmsg(2,("LSCPServer: SetShellDoc(val=%f)\n", boolean_value));
+     LSCPResultSet result;
+     try {
+         if      (boolean_value == 0) pSession->bShellSendLSCPDoc = false;
+         else if (boolean_value == 1) pSession->bShellSendLSCPDoc = true;
+         else throw Exception("Not a boolean value, must either be 0 or 1");
+     } catch (Exception e) {
+         result.Error(e);
+     }
+     return result.Produce();
+ }
  }

 Legend:



Removed from v.1781
 


changed lines


 
Added in v.3055
 Legend:



Removed from v.1781
 


changed lines


 
Added in v.3055
-Removed from v.1781
+Added in v.3055

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