src/Thread_MessageHandler.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Thread_MessageHandler.h"
  23
  24 #include "Global.h"
  25
  26 #include <QSharedMemory>
  27 #include <QSystemSemaphore>
  28 #include <QMessageBox>
  29
  30 #include <limits.h>
  31
  32 ////////////////////////////////////////////////////////////
  33 // Constructor
  34 ////////////////////////////////////////////////////////////
  35
  36 MessageHandlerThread::MessageHandlerThread(void)
  37 {
  38         m_aborted = false;
  39         m_parameter = new char[4096];
  40 }
  41
  42 MessageHandlerThread::~MessageHandlerThread(void)
  43 {
  44         delete [] m_parameter;
  45 }
  46
  47 void MessageHandlerThread::run()
  48 {
  49         m_aborted = false;
  50         setTerminationEnabled(true);
  51
  52         while(!m_aborted)
  53         {
  54                 unsigned int command = 0;
  55                 lamexp_ipc_read(&command, m_parameter, 4096);
  56                 if(!command) continue;
  57
  58                 switch(command)
  59                 {
  60                 case 1:
  61                         emit fileReceived(QString::fromUtf8(m_parameter));
  62                         break;
  63                 case 2:
  64                         emit folderReceived(QString::fromUtf8(m_parameter), false);
  65                         break;
  66                 case 3:
  67                         emit folderReceived(QString::fromUtf8(m_parameter), true);
  68                         break;
  69                 case 666:
  70                         if(!_stricmp(m_parameter, "Force!"))
  71                         {
  72                                 _exit(-2);
  73                         }
  74                         else
  75                         {
  76                                 emit killSignalReceived();
  77                         }
  78                         break;
  79                 case UINT_MAX:
  80                         emit otherInstanceDetected();
  81                         break;
  82                 default:
  83                         qWarning("Received an unknown IPC message! (command=%u)", command);
  84                         break;
  85                 }
  86         }
  87 }
  88
  89 void MessageHandlerThread::stop(void)
  90 {
  91         if(!m_aborted)
  92         {
  93                 m_aborted = true;
  94                 lamexp_ipc_send(0, NULL);
  95         }
  96 }
  97
  98 ////////////////////////////////////////////////////////////
  99 // EVENTS
 100 ////////////////////////////////////////////////////////////
 101
 102 /*NONE*/