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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qudevservice_linux_p.h"
QTM_BEGIN_NAMESPACE
QUdevService::QUdevService()
{
// NOTE: udev_new can fail, if we get a NULL pointer back, can't create udev
context = udev_new();
}
QUdevService::~QUdevService()
{
if (context)
udev_unref(context);
}
bool QUdevService::isSubsystemAvailable(const char *subsystem)
{
bool available = false;
struct udev_enumerate *enumerate = 0;
if (context) {
if ((enumerate = udev_enumerate_new(context))
&& (0 == udev_enumerate_add_match_subsystem(enumerate, subsystem))
&& (0 == udev_enumerate_scan_devices(enumerate))) {
available = (0 != udev_enumerate_get_list_entry(enumerate));
}
}
if (enumerate)
udev_enumerate_unref(enumerate);
return available;
}
bool QUdevService::isPropertyAvailable(const char *property, const char *value)
{
bool available = false;
struct udev_enumerate *enumerate = 0;
if (context) {
if ((enumerate = udev_enumerate_new(context))
&& (0 == udev_enumerate_add_match_property(enumerate, property, value))
&& (0 == udev_enumerate_scan_devices(enumerate))) {
available = (0 != udev_enumerate_get_list_entry(enumerate));
}
}
if (enumerate)
udev_enumerate_unref(enumerate);
return available;
}
#include "moc_qudevservice_linux_p.cpp"
QTM_END_NAMESPACE
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