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611 lines
20 KiB
611 lines
20 KiB
/*
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*
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* $Id: sourceheader,v 1.3 2005/01/19 13:03:46 trueg Exp $
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* Copyright (C) 2005-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3bhalconnection.h"
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#include "k3bdevice.h"
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#include <k3bdebug.h>
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#include <klocale.h>
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#include <tqtimer.h>
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// We acknowledge the the dbus API is unstable
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#define DBUS_API_SUBJECT_TO_CHANGE
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#include <dbus/connection.h>
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#include <dbus/dbus.h>
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#include <hal/libhal.h>
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static char** qstringListToArray( const TQStringList& s )
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{
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char** a = new char*[s.count()];
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for( unsigned int i = 0; i < s.count(); ++i ) {
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a[i] = new char[s[i].length()+1];
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::strncpy( a[i], s[i].local8Bit().data(), s[i].length() );
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a[s[i].length()] = '\0';
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}
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return a;
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}
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static void freeArray( char** a, unsigned int length )
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{
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for( unsigned int i = 0; i < length; ++i )
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delete [] a[i];
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delete a;
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}
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// CALLBACKS
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void halDeviceAdded( LibHalContext* ctx, const char* udi )
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{
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Q_UNUSED( ctx );
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k3bDebug() << "adding udi " << udi << endl;
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K3bDevice::HalConnection::instance()->addDevice( udi );
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}
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void halDeviceRemoved( LibHalContext* ctx, const char* udi )
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{
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Q_UNUSED( ctx );
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k3bDebug() << "removing udi " << udi << endl;
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K3bDevice::HalConnection::instance()->removeDevice( udi );
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}
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K3bDevice::HalConnection* K3bDevice::HalConnection::s_instance = 0;
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class K3bDevice::HalConnection::Private
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{
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public:
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Private()
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: halContext(0),
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dBusTQtConnection(0),
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bOpen(false) {
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}
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LibHalContext* halContext;
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DBusConnection* connection;
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DBusQt::Connection* dBusTQtConnection;
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bool bOpen;
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TQMap<TQCString, TQString> udiDeviceMap;
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TQMap<TQString, TQCString> deviceUdiMap;
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TQMap<TQCString, TQCString> deviceMediumUdiMap;
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};
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K3bDevice::HalConnection* K3bDevice::HalConnection::instance()
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{
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if( s_instance == 0 )
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s_instance = new HalConnection( 0 );
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if( !s_instance->isConnected() && !s_instance->open() )
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k3bDebug() << "(K3bDevice::HalConnection) failed to open connection to HAL." << endl;
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return s_instance;
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}
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K3bDevice::HalConnection::HalConnection( TQObject* parent, const char* name )
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: TQObject( parent, name )
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{
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d = new Private();
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}
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K3bDevice::HalConnection::~HalConnection()
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{
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s_instance = 0;
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close();
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delete d;
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}
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bool K3bDevice::HalConnection::isConnected() const
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{
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return d->bOpen;
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}
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bool K3bDevice::HalConnection::open()
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{
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close();
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k3bDebug() << "(K3bDevice::HalConnection) initializing HAL >= 0.5" << endl;
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d->halContext = libhal_ctx_new();
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if( !d->halContext ) {
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k3bDebug() << "(K3bDevice::HalConnection) unable to create HAL context." << endl;
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return false;
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}
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DBusError error;
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dbus_error_init( &error );
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d->connection = dbus_bus_get( DBUS_BUS_SYSTEM, &error );
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if( dbus_error_is_set(&error) ) {
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k3bDebug() << "(K3bDevice::HalConnection) unable to connect to DBUS: " << error.message << endl;
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return false;
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}
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setupDBusTQtConnection( d->connection );
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libhal_ctx_set_dbus_connection( d->halContext, d->connection );
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libhal_ctx_set_device_added( d->halContext, halDeviceAdded );
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libhal_ctx_set_device_removed( d->halContext, halDeviceRemoved );
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libhal_ctx_set_device_new_capability( d->halContext, 0 );
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libhal_ctx_set_device_lost_capability( d->halContext, 0 );
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libhal_ctx_set_device_property_modified( d->halContext, 0 );
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libhal_ctx_set_device_condition( d->halContext, 0 );
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if( !libhal_ctx_init( d->halContext, 0 ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) Failed to init HAL context!" << endl;
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return false;
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}
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d->bOpen = true;
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//
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// report all devices
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//
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int numDevices;
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char** halDeviceList = libhal_get_all_devices( d->halContext, &numDevices, 0 );
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for( int i = 0; i < numDevices; ++i )
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addDevice( halDeviceList[i] );
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return true;
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}
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void K3bDevice::HalConnection::close()
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{
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if( d->halContext ) {
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// clear the context
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if( isConnected() )
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libhal_ctx_shutdown( d->halContext, 0 );
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libhal_ctx_free( d->halContext );
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// delete the connection (may be 0 if open() failed)
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delete d->dBusTQtConnection;
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d->halContext = 0;
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d->dBusTQtConnection = 0;
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d->bOpen = false;
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}
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}
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TQStringList K3bDevice::HalConnection::devices() const
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{
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return TQStringList( d->udiDeviceMap.values() );
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}
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void K3bDevice::HalConnection::addDevice( const char* udi )
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{
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// ignore devices that have no property "info.capabilities" to suppress error messages
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if( !libhal_device_property_exists( d->halContext, udi, "info.capabilities", 0 ) )
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return;
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if( libhal_device_query_capability( d->halContext, udi, "storage.cdrom", 0 ) ) {
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char* dev = libhal_device_get_property_string( d->halContext, udi, "block.device", 0 );
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if( dev ) {
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TQString s( dev );
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libhal_free_string( dev );
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if( !s.isEmpty() ) {
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k3bDebug() << "Mapping udi " << udi << " to device " << s << endl;
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d->udiDeviceMap[udi] = s;
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d->deviceUdiMap[s] = udi;
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emit deviceAdded( s );
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}
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}
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}
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else {
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if( libhal_device_property_exists( d->halContext, udi, "block.storage_device", 0 ) ) {
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char* deviceUdi = libhal_device_get_property_string( d->halContext, udi, "block.storage_device", 0 );
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if( deviceUdi ) {
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TQCString du( deviceUdi );
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libhal_free_string( deviceUdi );
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if( d->udiDeviceMap.contains( du ) ) {
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//
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// A new medium has been inserted. Save this medium's udi so we can reuse it later
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// on for the mount/unmount/eject methods
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//
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d->deviceMediumUdiMap[du] = TQCString( udi );
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emit mediumChanged( d->udiDeviceMap[du] );
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}
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}
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}
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}
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}
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void K3bDevice::HalConnection::removeDevice( const char* udi )
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{
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TQMapIterator<TQCString, TQString> it = d->udiDeviceMap.find( udi );
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if( it != d->udiDeviceMap.end() ) {
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k3bDebug() << "Unmapping udi " << udi << " from device " << it.data() << endl;
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emit deviceRemoved( it.data() );
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d->udiDeviceMap.erase( it );
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d->deviceUdiMap.erase( it.data() );
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}
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else {
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if( libhal_device_property_exists( d->halContext, udi, "block.storage_device", 0 ) ) {
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char* deviceUdi = libhal_device_get_property_string( d->halContext, udi, "block.storage_device", 0 );
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if( deviceUdi ) {
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TQCString du( deviceUdi );
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libhal_free_string( deviceUdi );
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if( d->udiDeviceMap.contains( du ) ) {
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//
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// A medium has been removed/ejected.
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//
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d->deviceMediumUdiMap[du] = 0;
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emit mediumChanged( d->udiDeviceMap[du] );
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}
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}
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}
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}
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}
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int K3bDevice::HalConnection::lock( Device* dev )
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{
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//
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// The code below is based on the code from kioslave/media/mediamanager/halbackend.cpp in the tdebase package
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// Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org>
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//
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DBusMessage* dmesg = 0;
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DBusMessage* reply = 0;
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DBusError error;
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if( !d->deviceUdiMap.contains( dev->blockDeviceName() ) ) {
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return org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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}
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TQCString udi = d->deviceUdiMap[dev->blockDeviceName()];
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if( !( dmesg = dbus_message_new_method_call( "org.freedesktop.Hal", udi.data(),
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"org.freedesktop.Hal.Device",
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"Lock" ) ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) lock failed for " << udi << ": could not create dbus message\n";
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return org_freedesktop_Hal_CommunicationError;
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}
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const char* lockComment = "Locked by the K3b libraries";
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if( !dbus_message_append_args( dmesg,
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DBUS_TYPE_STRING, &lockComment,
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DBUS_TYPE_INVALID ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) lock failed for " << udi << ": could not append args to dbus message\n";
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dbus_message_unref( dmesg );
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return org_freedesktop_Hal_CommunicationError;
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}
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int ret = org_freedesktop_Hal_Success;
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dbus_error_init( &error );
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reply = dbus_connection_send_with_reply_and_block( d->connection, dmesg, -1, &error );
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if( dbus_error_is_set( &error ) ) {
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kdError() << "(K3bDevice::HalConnection) lock failed for " << udi << ": " << error.name << " - " << error.message << endl;
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if( !strcmp(error.name, "org.freedesktop.Hal.NoSuchDevice" ) )
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ret = org_freedesktop_Hal_NoSuchDevice;
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else if( !strcmp(error.name, "org.freedesktop.Hal.DeviceAlreadyLocked" ) )
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ret = org_freedesktop_Hal_DeviceAlreadyLocked;
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else if( !strcmp(error.name, "org.freedesktop.Hal.PermissionDenied" ) )
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ret = org_freedesktop_Hal_PermissionDenied;
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dbus_error_free( &error );
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}
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else
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k3bDebug() << "(K3bDevice::HalConnection) lock queued for " << udi << endl;
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dbus_message_unref( dmesg );
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if( reply )
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dbus_message_unref( reply );
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return ret;
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}
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int K3bDevice::HalConnection::unlock( Device* dev )
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{
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//
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// The code below is based on the code from kioslave/media/mediamanager/halbackend.cpp in the tdebase package
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// Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org>
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//
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DBusMessage* dmesg = 0;
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DBusMessage* reply = 0;
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DBusError error;
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if( !d->deviceUdiMap.contains( dev->blockDeviceName() ) ) {
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return org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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}
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TQCString udi = d->deviceUdiMap[dev->blockDeviceName()];
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if( !( dmesg = dbus_message_new_method_call( "org.freedesktop.Hal", udi.data(),
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"org.freedesktop.Hal.Device",
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"Unlock" ) ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) unlock failed for " << udi << ": could not create dbus message\n";
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return org_freedesktop_Hal_CommunicationError;
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}
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if( !dbus_message_append_args( dmesg,
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DBUS_TYPE_INVALID ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) unlock failed for " << udi << ": could not append args to dbus message\n";
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dbus_message_unref( dmesg );
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return org_freedesktop_Hal_CommunicationError;
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}
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int ret = org_freedesktop_Hal_Success;
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dbus_error_init( &error );
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reply = dbus_connection_send_with_reply_and_block( d->connection, dmesg, -1, &error );
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if( dbus_error_is_set( &error ) ) {
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kdError() << "(K3bDevice::HalConnection) unlock failed for " << udi << ": " << error.name << " - " << error.message << endl;
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if( !strcmp(error.name, "org.freedesktop.Hal.NoSuchDevice" ) )
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ret = org_freedesktop_Hal_NoSuchDevice;
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else if( !strcmp(error.name, "org.freedesktop.Hal.DeviceAlreadyLocked" ) )
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ret = org_freedesktop_Hal_DeviceAlreadyLocked;
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else if( !strcmp(error.name, "org.freedesktop.Hal.PermissionDenied" ) )
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ret = org_freedesktop_Hal_PermissionDenied;
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dbus_error_free( &error );
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}
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else
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k3bDebug() << "(K3bDevice::HalConnection) unlock queued for " << udi << endl;
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dbus_message_unref( dmesg );
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if( reply )
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dbus_message_unref( reply );
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return ret;
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}
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int K3bDevice::HalConnection::mount( K3bDevice::Device* dev,
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const TQString& mountPoint,
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const TQString& fstype,
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const TQStringList& options )
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{
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//
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// The code below is based on the code from kioslave/media/mediamanager/halbackend.cpp in the tdebase package
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// Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org>
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//
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DBusMessage* dmesg = 0;
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DBusMessage* reply = 0;
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DBusError error;
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if( !d->deviceUdiMap.contains( dev->blockDeviceName() ) )
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return org_freedesktop_Hal_NoSuchDevice;
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if( !d->deviceMediumUdiMap.contains( d->deviceUdiMap[dev->blockDeviceName()] ) )
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return org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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TQCString mediumUdi = d->deviceMediumUdiMap[d->deviceUdiMap[dev->blockDeviceName()]];
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if( !( dmesg = dbus_message_new_method_call( "org.freedesktop.Hal", mediumUdi.data(),
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"org.freedesktop.Hal.Device.Volume",
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"Mount" ) ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) mount failed for " << mediumUdi << ": could not create dbus message\n";
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return org_freedesktop_Hal_CommunicationError;
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}
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char** poptions = qstringListToArray( options );
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TQByteArray strMountPoint = mountPoint.local8Bit();
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TQByteArray strFstype = fstype.local8Bit();
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if( !dbus_message_append_args( dmesg,
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DBUS_TYPE_STRING, strMountPoint.data(),
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DBUS_TYPE_STRING, strFstype.data(),
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DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &poptions, options.count(),
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DBUS_TYPE_INVALID ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) mount failed for " << mediumUdi << ": could not append args to dbus message\n";
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dbus_message_unref( dmesg );
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freeArray( poptions, options.count() );
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return org_freedesktop_Hal_CommunicationError;
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}
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freeArray( poptions, options.count() );
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int ret = org_freedesktop_Hal_Success;
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dbus_error_init( &error );
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reply = dbus_connection_send_with_reply_and_block( d->connection, dmesg, -1, &error );
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if( dbus_error_is_set( &error ) ) {
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kdError() << "(K3bDevice::HalConnection) mount failed for " << mediumUdi << ": " << error.name << " - " << error.message << endl;
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if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NoSuchDevice" ) )
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ret = org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDenied;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.UnknownFilesystemType" ) )
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ret = org_freedesktop_Hal_Device_Volume_UnknownFilesystemType;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.MountPointNotAvailable" ) )
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ret = org_freedesktop_Hal_Device_Volume_MountPointNotAvailable;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.AlreadyMounted" ) )
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ret = org_freedesktop_Hal_Device_Volume_AlreadyMounted;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint" ) )
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ret = org_freedesktop_Hal_Device_Volume_InvalidMountpoint;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountOption" ) )
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ret = org_freedesktop_Hal_Device_Volume_InvalidMountOption;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDeniedByPolicy" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDeniedByPolicy;
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dbus_error_free( &error );
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}
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else
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k3bDebug() << "(K3bDevice::HalConnection) mount queued for " << mediumUdi << endl;
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dbus_message_unref( dmesg );
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if( reply )
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dbus_message_unref( reply );
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return ret;
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}
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int K3bDevice::HalConnection::unmount( K3bDevice::Device* dev,
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const TQStringList& options )
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{
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//
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// The code below is based on the code from kioslave/media/mediamanager/halbackend.cpp in the tdebase package
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// Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org>
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//
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DBusMessage* dmesg = 0;
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DBusMessage* reply = 0;
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DBusError error;
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if( !d->deviceUdiMap.contains( dev->blockDeviceName() ) )
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return org_freedesktop_Hal_NoSuchDevice;
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if( !d->deviceMediumUdiMap.contains( d->deviceUdiMap[dev->blockDeviceName()] ) )
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return org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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TQCString mediumUdi = d->deviceMediumUdiMap[d->deviceUdiMap[dev->blockDeviceName()]];
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if( !( dmesg = dbus_message_new_method_call( "org.freedesktop.Hal", mediumUdi.data(),
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"org.freedesktop.Hal.Device.Volume",
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"Unmount" ) ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) unmount failed for " << mediumUdi << ": could not create dbus message\n";
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return org_freedesktop_Hal_CommunicationError;
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}
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char** poptions = qstringListToArray( options );
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if( !dbus_message_append_args( dmesg,
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DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &poptions, options.count(),
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DBUS_TYPE_INVALID ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) unmount failed for " << mediumUdi << ": could not append args to dbus message\n";
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dbus_message_unref( dmesg );
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freeArray( poptions, options.count() );
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return org_freedesktop_Hal_CommunicationError;
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}
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freeArray( poptions, options.count() );
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int ret = org_freedesktop_Hal_Success;
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dbus_error_init( &error );
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reply = dbus_connection_send_with_reply_and_block( d->connection, dmesg, -1, &error );
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if( dbus_error_is_set( &error ) ) {
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kdError() << "(K3bDevice::HalConnection) unmount failed for " << mediumUdi << ": " << error.name << " - " << error.message << endl;
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if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NoSuchDevice" ) )
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ret = org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDenied;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.MountPointNotAvailable" ) )
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ret = org_freedesktop_Hal_Device_Volume_MountPointNotAvailable;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidUnmountOption" ) )
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ret = org_freedesktop_Hal_Device_Volume_InvalidUnmountOption;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint" ) )
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ret = org_freedesktop_Hal_Device_Volume_InvalidMountpoint;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDeniedByPolicy" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDeniedByPolicy;
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dbus_error_free( &error );
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}
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else
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k3bDebug() << "(K3bDevice::HalConnection) unmount queued for " << mediumUdi << endl;
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dbus_message_unref( dmesg );
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if( reply )
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dbus_message_unref( reply );
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return ret;
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}
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int K3bDevice::HalConnection::eject( K3bDevice::Device* dev,
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const TQStringList& options )
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{
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//
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// The code below is based on the code from kioslave/media/mediamanager/halbackend.cpp in the tdebase package
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// Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org>
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//
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DBusMessage* dmesg = 0;
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DBusMessage* reply = 0;
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DBusError error;
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if( !d->deviceUdiMap.contains( dev->blockDeviceName() ) )
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return org_freedesktop_Hal_NoSuchDevice;
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if( !d->deviceMediumUdiMap.contains( d->deviceUdiMap[dev->blockDeviceName()] ) )
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return org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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TQCString mediumUdi = d->deviceMediumUdiMap[d->deviceUdiMap[dev->blockDeviceName()]];
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if( !( dmesg = dbus_message_new_method_call( "org.freedesktop.Hal", mediumUdi.data(),
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"org.freedesktop.Hal.Device.Volume",
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"Eject" ) ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) eject failed for " << mediumUdi << ": could not create dbus message\n";
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return org_freedesktop_Hal_CommunicationError;
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}
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char** poptions = qstringListToArray( options );
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if( !dbus_message_append_args( dmesg,
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DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &poptions, options.count(),
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DBUS_TYPE_INVALID ) ) {
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k3bDebug() << "(K3bDevice::HalConnection) eject failed for " << mediumUdi << ": could not append args to dbus message\n";
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dbus_message_unref( dmesg );
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freeArray( poptions, options.count() );
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return org_freedesktop_Hal_CommunicationError;
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}
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freeArray( poptions, options.count() );
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int ret = org_freedesktop_Hal_Success;
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dbus_error_init( &error );
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reply = dbus_connection_send_with_reply_and_block( d->connection, dmesg, -1, &error );
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if( dbus_error_is_set( &error ) ) {
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kdError() << "(K3bDevice::HalConnection) eject failed for " << mediumUdi << ": " << error.name << " - " << error.message << endl;
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if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NoSuchDevice" ) )
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ret = org_freedesktop_Hal_Device_Volume_NoSuchDevice;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDenied;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidEjectOption" ) )
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ret = org_freedesktop_Hal_Device_Volume_InvalidEjectOption;
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else if( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDeniedByPolicy" ) )
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ret = org_freedesktop_Hal_Device_Volume_PermissionDeniedByPolicy;
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dbus_error_free( &error );
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}
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else
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k3bDebug() << "(K3bDevice::HalConnection) eject queued for " << mediumUdi << endl;
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dbus_message_unref( dmesg );
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if( reply )
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dbus_message_unref( reply );
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return ret;
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}
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void K3bDevice::HalConnection::setupDBusTQtConnection( DBusConnection* dbusConnection )
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{
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d->dBusTQtConnection = new DBusQt::Connection( this );
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d->dBusTQtConnection->dbus_connection_setup_with_qt_main( dbusConnection );
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}
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#include "k3bhalconnection.moc"
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