LameXP/src/Thread_MessageHandler.cpp
2016-01-03 15:53:42 +01:00

122 lines
2.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program 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, but always including the *additional*
// restrictions defined in the "License.txt" file.
//
// This program 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 Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
#include "Thread_MessageHandler.h"
//Internal
#include "Global.h"
#include "IPCCommands.h"
//MUtils
#include <MUtils/IPCChannel.h>
//Qt
#include <QSharedMemory>
#include <QSystemSemaphore>
#include <QMessageBox>
//CRL
#include <limits.h>
#define TEST_FLAG(X) ((flags & (X)) == (X))
////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////
MessageHandlerThread::MessageHandlerThread(MUtils::IPCChannel *const ipcChannel)
:
m_ipcChannel(ipcChannel)
{
m_aborted = false;
}
MessageHandlerThread::~MessageHandlerThread(void)
{
}
void MessageHandlerThread::run()
{
m_aborted = false;
setTerminationEnabled(true);
QStringList params;
quint32 command = 0, flags = 0;
while(!m_aborted)
{
if(!m_ipcChannel->read(command, flags, params))
{
qWarning("Failed to read next IPC message!");
break;
}
if(command == IPC_CMD_NOOP)
{
continue;
}
switch(command)
{
case IPC_CMD_PING:
emit otherInstanceDetected();
break;
case IPC_CMD_ADD_FILE:
if(params.count() > 0 )
{
emit fileReceived(params.first());
}
break;
case IPC_CMD_ADD_FOLDER:
if(params.count() > 0 )
{
emit folderReceived(params.first(), TEST_FLAG(IPC_FLAG_ADD_RECURSIVE));
}
break;
case IPC_CMD_TERMINATE:
if(TEST_FLAG(IPC_FLAG_FORCE))
{
_exit(-2);
}
emit killSignalReceived();
break;
default:
qWarning("Received an unknown IPC message! (command=%u)", command);
break;
}
}
}
void MessageHandlerThread::stop(void)
{
if(!m_aborted)
{
m_aborted = true;
m_ipcChannel->send(0, 0, QStringList());
}
}
////////////////////////////////////////////////////////////
// EVENTS
////////////////////////////////////////////////////////////
/*NONE*/