File indexing completed on 2025-03-23 04:28:11 

0001 /*
0002     SPDX-FileCopyrightText: 2005-2009 Sebastian Trueg <trueg@k3b.org>
0003     SPDX-FileCopyrightText: 1998-2009 Sebastian Trueg <trueg@k3b.org>
0004 
0005     SPDX-License-Identifier: GPL-2.0-or-later
0006 */
0007 
0008 #include "k3bhalconnection.h"
0009 #include "k3bdevice.h"
0010 #include "k3bdevice_i18n.h"
0011 
0012 #include <Solid/Device>
0013 
0014 #include <QDebug>
0015 #include <QDBusConnection>
0016 #include <QDBusInterface>
0017 
0018 
0019 Q_GLOBAL_STATIC( K3b::Device::HalConnection, s_instance )
0020 
0021 
0022 namespace {
0023     
0024     K3b::Device::HalConnection::ErrorCode toErrorCode( const QString& errorName )
0025     {
0026         if( errorName == QLatin1String( "org.freedesktop.Hal.NoSuchDevice" ) ) {
0027             return K3b::Device::HalConnection::org_freedesktop_Hal_NoSuchDevice;
0028         }
0029         else if( errorName == QLatin1String( "org.freedesktop.Hal.DeviceAlreadyLocked" ) ) {
0030             return K3b::Device::HalConnection::org_freedesktop_Hal_DeviceAlreadyLocked;
0031         }
0032         else if( errorName == QLatin1String( "org.freedesktop.Hal.DeviceNotLocked" ) ) {
0033             return K3b::Device::HalConnection::org_freedesktop_Hal_DeviceNotLocked;
0034         }
0035         else if( errorName == QLatin1String( "org.freedesktop.Hal.Device.InterfaceAlreadyLocked" ) ) {
0036             return K3b::Device::HalConnection::org_freedesktop_Hal_Device_InterfaceAlreadyLocked;
0037         }
0038         else if( errorName == QLatin1String( "org.freedesktop.Hal.Device.InterfaceNotLocked" ) ) {
0039             return K3b::Device::HalConnection::org_freedesktop_Hal_Device_InterfaceNotLocked;
0040         }
0041         else if( errorName == QLatin1String( "org.freedesktop.Hal.PermissionDenied" ) ) {
0042             return K3b::Device::HalConnection::org_freedesktop_Hal_PermissionDenied;
0043         }
0044         else {
0045             qDebug() << "Unknown HAL error:" << errorName;
0046             return K3b::Device::HalConnection::org_freedesktop_Hal_Unknown;
0047         }
0048     }
0049     
0050 } // namespace
0051 
0052 
0053 class K3b::Device::HalConnection::Private
0054 {
0055 public:
0056 };
0057 
0058 
0059 K3b::Device::HalConnection* K3b::Device::HalConnection::instance()
0060 {
0061     return s_instance();
0062 }
0063 
0064 
0065 K3b::Device::HalConnection::HalConnection( QObject* parent )
0066     : QObject( parent )
0067 {
0068     d = new Private();
0069 }
0070 
0071 
0072 K3b::Device::HalConnection::~HalConnection()
0073 {
0074     delete d;
0075 }
0076 
0077 
0078 K3b::Device::HalConnection::ErrorCode K3b::Device::HalConnection::lock( Device* dev )
0079 {
0080     qDebug() << dev->blockDeviceName();
0081 
0082     QDBusInterface halIface( "org.freedesktop.Hal",
0083                              dev->solidDevice().udi(),
0084                              "org.freedesktop.Hal.Device",
0085                              QDBusConnection::systemBus() );
0086 
0087     if ( halIface.isValid() ) {
0088         
0089         QDBusMessage msg = halIface.call( QLatin1String( "Lock" ), QLatin1String( "Locked by the K3b libraries" ) );
0090         if ( msg.type() == QDBusMessage::ErrorMessage ) {
0091             qDebug() << "Failed to lock device through HAL:" << msg.errorMessage();
0092             return toErrorCode( msg.errorName() );
0093         }
0094         
0095         bool exclusive = true;
0096         msg = halIface.call( QLatin1String( "AcquireInterfaceLock" ), QLatin1String( "org.freedesktop.Hal.Device.Storage" ), exclusive );
0097         if ( msg.type() == QDBusMessage::ErrorMessage ) {
0098             qDebug() << "Failed to acquire storage interface lock through HAL:" << msg.errorMessage();
0099             return toErrorCode( msg.errorName() );
0100         }
0101         
0102         return org_freedesktop_Hal_Success;
0103     }
0104     else {
0105         qDebug() << "Could not connect to device object:" << halIface.path();
0106         return org_freedesktop_Hal_CommunicationError;
0107     }
0108 }
0109 
0110 
0111 K3b::Device::HalConnection::ErrorCode K3b::Device::HalConnection::unlock( Device* dev )
0112 {
0113     qDebug() << dev->blockDeviceName();
0114 
0115     QDBusInterface halIface( "org.freedesktop.Hal",
0116                              dev->solidDevice().udi(),
0117                              "org.freedesktop.Hal.Device",
0118                              QDBusConnection::systemBus() );
0119 
0120     if ( halIface.isValid() ) {
0121         
0122         QDBusMessage msg = halIface.call( QLatin1String( "ReleaseInterfaceLock" ), QLatin1String( "org.freedesktop.Hal.Device.Storage" ) );
0123         if ( msg.type() == QDBusMessage::ErrorMessage ) {
0124             qDebug() << "Failed to release storage interface lock through HAL:" << msg.errorMessage();
0125             return toErrorCode( msg.errorName() );
0126         }
0127         
0128         msg = halIface.call( QLatin1String( "Unlock" ) );
0129         if ( msg.type() == QDBusMessage::ErrorMessage ) {
0130             qDebug() << "Failed to unlock device through HAL:" << msg.errorMessage();
0131             return toErrorCode( msg.errorName() );
0132         }
0133         
0134         return org_freedesktop_Hal_Success;
0135     }
0136     else {
0137         qDebug() << "Could not connect to device object:" << halIface.path();
0138         return org_freedesktop_Hal_CommunicationError;
0139     }
0140 }
0141 
0142 #include "moc_k3bhalconnection.cpp"