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/*
*
* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3blsofwrapper.h"
#include <k3bdevice.h>
#include <k3bprocess.h>
#include <k3bglobals.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <sys/types.h>
#include <unistd.h>
static K3bLsofWrapper::Process createProcess( const QString& name, int pid )
{
K3bLsofWrapper::Process p;
p.name = name;
p.pid = pid;
return p;
}
class K3bLsofWrapper::Private
{
public:
QValueList<Process> apps;
QString lsofBin;
};
K3bLsofWrapper::K3bLsofWrapper()
{
d = new Private;
}
K3bLsofWrapper::~K3bLsofWrapper()
{
delete d;
}
bool K3bLsofWrapper::checkDevice( K3bDevice::Device* dev )
{
d->apps.clear();
if( !findLsofExecutable() )
return false;
// run lsof
KProcess p;
K3bProcessOutputCollector out( &p );
//
// We use the following output form:
// p<PID>
// c<COMMAND_NAME>
//
p << d->lsofBin << "-Fpc" << dev->blockDeviceName();
if( !p.start( KProcess::Block, KProcess::Stdout ) )
return false;
//
// now process its output
QStringList l = QStringList::split( "\n", out.output() );
for( QStringList::iterator it = l.begin(); it != l.end(); ++it ) {
int pid = (*it).mid(1).toInt();
QString app = (*(++it)).mid(1);
kdDebug() << "(K3bLsofWrapper) matched: app: " << app << " pid: " << pid << endl;
// we don't care about ourselves using the device ;)
if( pid != (int)::getpid() )
d->apps.append( createProcess( app, pid ) );
}
return true;
}
const QValueList<K3bLsofWrapper::Process>& K3bLsofWrapper::usingApplications() const
{
return d->apps;
}
bool K3bLsofWrapper::findLsofExecutable()
{
if( d->lsofBin.isEmpty() )
d->lsofBin = K3b::findExe( "lsof" );
return !d->lsofBin.isEmpty();
}
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