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1316 lines
39 KiB
1316 lines
39 KiB
/**************************************************************************
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* Copyright (C) 2006-2007 by Danny Kukawka *
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* <dkukawka@suse.de>, <danny.kukawka@web.de> *
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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 version 2 of the GNU General Public License *
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* as published by the Free Software Foundation. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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/*!
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* \file dbusHAL.cpp
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* \brief In this file can be found the functionality to connect to
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* the HAL daemon via D-Bus, to handle D-Bus calls/events and to
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* provide wrapper to HAL lib and functions
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* \author Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
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* \date 2006-2007
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*/
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// KDE Header
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#include <klocale.h>
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// DBUS - Header
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#include "dbusHAL.h"
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// system headers
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#include <iostream>
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static void* myInstance = 0;
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/*! The default constructor of the class dbusHAL. */
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dbusHAL::dbusHAL(){
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kdDebugFuncIn(trace);
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dbus_is_connected = false;
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hal_is_connected = false;
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aquiredPolicyPower = false;
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hal_ctx = NULL;
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// add pointer to this for filter_function()
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myInstance=this;
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// init connection to dbus
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if(!initDBUS()) {
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kdError() << "Can't connect to D-Bus" << endl;
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m_dBusQtConnection = NULL;
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}
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if(!initHAL())
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kdError() << "Can't connect to HAL" << endl;
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kdDebugFuncOut(trace);
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}
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/*! This is the default destructor of class dbusPowersaveConnection. */
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dbusHAL::~dbusHAL(){
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kdDebugFuncIn(trace);
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close();
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myInstance = NULL;
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kdDebugFuncOut(trace);
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}
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/*!
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* This function return information about connection status to the DBUS daemon.
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* \return boolean with the state of the connection to D-Bus
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* \retval true if connected
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* \retval false if disconnected
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*/
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bool dbusHAL::isConnectedToDBUS() {
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return dbus_is_connected;
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}
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/*!
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* This function return information about connection status to the HAL daemon.
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* \return boolean with the state of the connection to HAL
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* \retval true if connected
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* \retval false if disconnected
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*/
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bool dbusHAL::isConnectedToHAL() {
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return hal_is_connected;
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}
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/*!
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* This function return information if the org.freedesktop.Policy.Power
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* interface was claimed.
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* \return boolean with the status of claim the interface
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* \retval true if aquired
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* \retval false if not
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*/
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bool dbusHAL::aquiredPolicyPowerInterface() {
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return aquiredPolicyPower;
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}
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/*!
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* This function try a reconnect to D-Bus and HAL daemon.
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* \return boolean with the result of the operation
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* \retval true if successful reconnected to D-Bus and HAL
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* \retval false if unsuccessful
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*/
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bool dbusHAL::reconnect() {
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// free HAL context
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freeHAL();
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// close D-Bus connection
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close();
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// init D-Bus conntection and HAL context
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return (initDBUS() && initHAL());
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}
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/*!
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* This function close the connection to powersave over the D-Bus daemon.
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* \return boolean with the result of the operation
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* \retval true if successful closed the connection
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* \retval false if any problems
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*/
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bool dbusHAL::close() {
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if ( m_dBusQtConnection != NULL ) {
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releasePolicyPowerIface();
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m_dBusQtConnection->close();
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m_dBusQtConnection = NULL;
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}
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dbus_is_connected = false;
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return true;
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}
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/* ----> D-Bus section :: START <---- */
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/*!
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* This function initialise the connection to the D-Bus daemon.
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* \return boolean with the result of the operation
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* \retval true if successful initialised D-Bus connection
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* \retval false if unsuccessful
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*/
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bool dbusHAL::initDBUS(){
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kdDebugFuncIn(trace);
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dbus_is_connected = false;
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DBusError error;
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dbus_error_init(&error);
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dbus_connection = dbus_bus_get( DBUS_BUS_SYSTEM, &error );
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if (dbus_connection == NULL){
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kdError() << "Failed to open connection to system message bus: " << error.message << endl;
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dbus_error_free (&error);
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return false;
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}
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if ( dbus_error_is_set( &error ) ) {
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kdError() << "Failed to register connection with system message bus: " << error.message << endl;
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return false;
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}
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aquirePolicyPowerIface();
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dbus_connection_set_exit_on_disconnect( dbus_connection, false );
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/* add the filter function which should be executed on events on the bus */
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if ( ! dbus_connection_add_filter( dbus_connection, filterFunction, this, NULL) ) {
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kdFatal() << "Error: Not enough memory to add filter to dbus connection" << endl;
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exit(EXIT_FAILURE);
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}
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/* add a match rule to catch all signals going through the bus with D-Bus interface */
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.DBus',"
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"member='NameOwnerChanged'", NULL);
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/* add a match rule to catch all signals going through the bus with HAL interface */
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.Hal.Manager',"
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"member='DeviceAdded'", NULL);
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.Hal.Manager',"
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"member='DeviceRemoved'", NULL);
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.Hal.Device',"
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"member='PropertyModified'", NULL);
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.Hal.Device',"
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"member='Condition'", NULL);
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/* add a match rule to catch all signals going through the bus with ConsoleKit Interface */
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dbus_bus_add_match( dbus_connection, "type='signal',"
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"interface='org.freedesktop.ConsoleKit.Session',"
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"member='ActiveChanged'", NULL);
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m_dBusQtConnection = new DBusQt::Connection(this);
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m_dBusQtConnection->dbus_connection_setup_with_qt_main(dbus_connection);
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dbus_is_connected = true;
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kdDebugFuncOut(trace);
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return true;
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}
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/*!
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* This function aquire the org.freedesktop.Policy.Power interface
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* \return boolean with the result of the operation
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* \retval true if successful aquired the interface
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* \retval false if unsuccessful
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*/
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bool dbusHAL::aquirePolicyPowerIface(){
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kdDebugFuncIn(trace);
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if (dbus_connection == NULL) {
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kdDebugFuncOut(trace);
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return false;
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}
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switch (dbus_bus_request_name(dbus_connection, "org.freedesktop.Policy.Power",
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DBUS_NAME_FLAG_REPLACE_EXISTING, NULL)) {
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case DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER:
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kdDebug() << "Acquired org.freedesktop.Policy.Power interface" << endl;
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aquiredPolicyPower = true;
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break;
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case DBUS_REQUEST_NAME_REPLY_IN_QUEUE:
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kdWarning() << "Queued to aquire org.freedesktop.Policy.Power interface" << endl;
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aquiredPolicyPower = false;
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break;
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default:
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kdWarning() << "Unknown error while aquire org.freedesktop.Policy.Power interface" << endl;
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aquiredPolicyPower = false;
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break;
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}
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kdDebugFuncOut(trace);
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return aquiredPolicyPower;
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}
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/*!
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* This function release the org.freedesktop.Policy.Power interface
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* \return boolean with the result of the operation
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* \retval true if successful aquired the interface
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* \retval false if unsuccessful
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*/
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bool dbusHAL::releasePolicyPowerIface(){
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kdDebugFuncIn(trace);
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int result;
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bool retval = false;
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DBusError error;
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if (dbus_connection == NULL) {
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kdDebugFuncOut(trace);
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return false;
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}
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dbus_error_init(&error);
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result = dbus_bus_release_name(dbus_connection, "org.freedesktop.Policy.Power", &error);
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if ( dbus_error_is_set( &error ) ) {
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kdError() << "Failed to release org.freedesktop.Policy.Power: " << error.message << endl;
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dbus_error_free(&error);
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} else {
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switch (result) {
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case DBUS_RELEASE_NAME_REPLY_RELEASED:
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kdDebug() << "Released org.freedesktop.Policy.Power interface" << endl;
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retval = true;
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aquiredPolicyPower = false;
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break;
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case DBUS_RELEASE_NAME_REPLY_NOT_OWNER:
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kdWarning() << "Couldn't release org.freedesktop.Policy.Power, not the owner" << endl;
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break;
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case DBUS_RELEASE_NAME_REPLY_NON_EXISTENT:
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kdWarning() << "Couldn't release org.freedesktop.Policy.Power, Iface not existing" << endl;
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break;
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default:
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kdWarning() << "Couldn't release org.freedesktop.Policy.Power, unknown error" << endl;
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break;
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}
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}
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return retval;
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kdDebugFuncOut(trace);
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}
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/*!
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* This function check if the org.freedesktop.Policy.Power
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* interface is owned by someone
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* \return boolean with the result of the operation
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* \retval true if the interface is owned by someone
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* \retval false if else
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*/
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bool dbusHAL::isPolicyPowerIfaceOwned(){
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kdDebugFuncIn(trace);
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bool retval = false;
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DBusError error;
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if (dbus_connection == NULL) {
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kdDebugFuncOut(trace);
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return false;
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}
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dbus_error_init(&error);
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retval = dbus_bus_name_has_owner(dbus_connection, "org.freedesktop.Policy.Power", &error);
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if ( dbus_error_is_set( &error ) ) {
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kdError() << "Failed to check if org.freedesktop.Policy.Power has an owner: " << error.message << endl;
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dbus_error_free(&error);
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}
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kdDebugFuncOut(trace);
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return retval;
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}
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/* ----> DBUS section :: END <---- */
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/* ----> HAL section :: START <---- */
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/*!
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* This function initialise the connection to HAL over the D-Bus daemon.
|
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* \return boolean with the result of the operation
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* \retval true if successful initialised HAL connection and context
|
|
* \retval false if unsuccessful
|
|
*/
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bool dbusHAL::initHAL(){
|
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kdDebugFuncIn(trace);
|
|
|
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if ( !dbus_is_connected ) {
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freeHAL();
|
|
return false;
|
|
} else if ( hal_is_connected && (hal_ctx != NULL)) {
|
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return true;
|
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}
|
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|
|
// could not connect to HAL, reset all and try again
|
|
freeHAL();
|
|
|
|
DBusError error;
|
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dbus_error_init(&error);
|
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|
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dbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
|
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if (dbus_connection == NULL || dbus_error_is_set(&error)) {
|
|
kdError() << "could not open connection to system bus: " << error.message << endl;
|
|
dbus_error_free(&error);
|
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return false;
|
|
}
|
|
|
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bool hal_is_ready = dbus_bus_name_has_owner(dbus_connection, "org.freedesktop.Hal", &error);
|
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|
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if (!hal_is_ready) {
|
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kdWarning() << "HAL is not ready. We will try later... " << endl;
|
|
|
|
if ( dbus_error_is_set( &error ) ) {
|
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kdError() << "Error checking if hal service exists: " << error.message << endl;
|
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dbus_error_free( &error );
|
|
}
|
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|
|
freeHAL();
|
|
return false;
|
|
}
|
|
|
|
if((hal_ctx = libhal_ctx_new()) == NULL) {
|
|
kdError() << "Could not init HAL context" << endl;
|
|
return false;
|
|
}
|
|
|
|
/* setup dbus connection for hal */
|
|
if (!libhal_ctx_set_dbus_connection(hal_ctx, dbus_connection)) {
|
|
kdError() << "Could not set up connection to dbus for hal" << endl;
|
|
freeHAL();
|
|
return false;
|
|
}
|
|
|
|
/* init the hal library */
|
|
if (!libhal_ctx_init(hal_ctx, &error)) {
|
|
kdError() << "Could not init hal library: " << error.message << endl;
|
|
freeHAL();
|
|
return false;
|
|
}
|
|
|
|
hal_is_connected = true;
|
|
|
|
kdDebugFuncOut(trace);
|
|
return hal_is_connected;
|
|
}
|
|
|
|
/*!
|
|
* This function free the hal connection/context.
|
|
*/
|
|
void dbusHAL::freeHAL(){
|
|
|
|
if ( hal_ctx != NULL ) {
|
|
libhal_ctx_free( hal_ctx );
|
|
hal_ctx = NULL;
|
|
}
|
|
hal_is_connected = false;
|
|
}
|
|
|
|
/*!
|
|
* This function try a reconnect to the HAL daemon only.
|
|
* \return boolean with the result of the operation
|
|
* \retval true if successful reconnected to HAL
|
|
* \retval false if unsuccessful
|
|
*/
|
|
bool dbusHAL::reconnectHAL() {
|
|
// free HAL context
|
|
freeHAL();
|
|
// init HAL context
|
|
return (initHAL());
|
|
}
|
|
|
|
/*!
|
|
* This function query a integer property from HAL for a given device
|
|
* \param udi TQString with the UDI of the device
|
|
* \param property TQString with the property
|
|
* \param returnval pointer to the return value
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halGetPropertyInt(TQString udi, TQString property, int *returnval){
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || property.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
dbus_error_init(&error);
|
|
|
|
if (!libhal_device_property_exists(hal_ctx, udi.ascii(), property.ascii(), &error)) {
|
|
kdWarning() << "Property: " << property << " for: " << udi << " doesn't exist." << endl;
|
|
goto out;
|
|
}
|
|
|
|
*returnval = libhal_device_get_property_int(hal_ctx, udi.ascii(), property.ascii(), &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Fetching property: " << property << " for: " << udi
|
|
<< " failed with: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
} else {
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return true;
|
|
}
|
|
|
|
/*!
|
|
* This function query a boolean property from HAL for a given device
|
|
* \param udi TQString with the UDI of the device
|
|
* \param property TQString with the property
|
|
* \param returnval pointer to the return value
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halGetPropertyBool(TQString udi, TQString property, bool *returnval){
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || property.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
dbus_error_init(&error);
|
|
|
|
if (!libhal_device_property_exists(hal_ctx, udi.ascii(), property.ascii(), &error)) {
|
|
kdWarning() << "Property: " << property << " for: " << udi << " doesn't exist." << endl;
|
|
goto out;
|
|
}
|
|
|
|
*returnval = libhal_device_get_property_bool(hal_ctx, udi.ascii(), property.ascii(), &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Fetching property: " << property << " for: " << udi
|
|
<< " failed with: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
} else {
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*!
|
|
* This function query a Sting property from HAL for a given device
|
|
* \param udi TQString with the UDI of the device
|
|
* \param property TQString with the property
|
|
* \param returnval pointer to the return value
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halGetPropertyString(TQString udi, TQString property, TQString *returnval){
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || property.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
dbus_error_init(&error);
|
|
|
|
if (!libhal_device_property_exists(hal_ctx, udi.ascii(), property.ascii(), &error)) {
|
|
kdWarning() << "Property: " << property << " for: " << udi << " doesn't exist." << endl;
|
|
goto out;
|
|
}
|
|
|
|
*returnval = libhal_device_get_property_string(hal_ctx, udi.ascii(), property.ascii(), &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Fetching property: " << property << " for: " << udi
|
|
<< " failed with: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
} else {
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* This function query a String List property from HAL for a given device
|
|
* \param udi TQString with the udi of the device
|
|
* \param property TQString with the property to query
|
|
* \param devices TQStringList to return the values
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halGetPropertyStringList (TQString udi, TQString property, TQStringList *devices) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || property.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
char ** found;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (!libhal_device_property_exists(hal_ctx, udi.ascii(), property.ascii(), &error)) {
|
|
kdWarning() << "Property: " << property << " for: " << udi << " doesn't exist." << endl;
|
|
goto out;
|
|
}
|
|
|
|
found = libhal_device_get_property_strlist (hal_ctx, udi.ascii(), property.ascii(), &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdWarning() << "Error while query existing strlist Property: " << property
|
|
<< " for: " << udi << " error: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
libhal_free_string_array(found);
|
|
goto out;
|
|
} else {
|
|
for (int i = 0; found[i] != NULL ; ++i) {
|
|
TQString _to_add = found[i];
|
|
if (!_to_add.isEmpty()) *devices += _to_add;
|
|
}
|
|
libhal_free_string_array(found);
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*!
|
|
* This function query a capability from HAL for a given device
|
|
* \param udi TQString with the UDI of the device
|
|
* \param capability TQString with the capability to query
|
|
* \param returnval pointer to the return value as boolean
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halQueryCapability(TQString udi, TQString capability, bool *returnval) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || capability.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
dbus_error_init(&error);
|
|
|
|
*returnval = libhal_device_query_capability(hal_ctx, udi.ascii(), capability.ascii(), &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Fetching capability: " << capability << " for: " << udi
|
|
<< " failed with: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
} else {
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* Use this function to check if a device has a specia property/key.
|
|
* \param udi TQString with the UDI of the device
|
|
* \param property TQString with the property
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halDevicePropertyExist(TQString udi, TQString property ) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || udi.isEmpty() || property.isEmpty())
|
|
goto out;
|
|
|
|
DBusError error;
|
|
dbus_error_init(&error);
|
|
|
|
if (! libhal_device_property_exists (hal_ctx, udi.ascii(), property.ascii(), &error)) {
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Fetching existing property: " << property << " for: " << udi
|
|
<< " failed with: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
}
|
|
goto out;
|
|
} else {
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* Use this function to search find devices with a give capability
|
|
* \param capability TQString with the capability to query
|
|
* \param devices TQStringList to return the found devices
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halFindDeviceByCapability (TQString capability, TQStringList *devices) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
DBusError error;
|
|
char ** found;
|
|
int num = 0;
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || capability.isEmpty())
|
|
goto out;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
found = libhal_find_device_by_capability (hal_ctx, capability.ascii(), &num, &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get list of devices with capability: " << capability
|
|
<< " error: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
libhal_free_string_array(found);
|
|
goto out;
|
|
} else {
|
|
for (int i = 0; i < num; ++i) {
|
|
TQString _to_add = found[i];
|
|
if (!_to_add.isEmpty()) *devices += _to_add;
|
|
}
|
|
libhal_free_string_array(found);
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* Use this function to search find devices with a special string property
|
|
* \param property TQString with the name of the property
|
|
* \param keyval TQString with value of the string property
|
|
* \param devices TQStringList to return the found devices
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::halFindDeviceByString (TQString property, TQString keyval, TQStringList *devices) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
DBusError error;
|
|
char ** found;
|
|
int num = 0;
|
|
bool ret = false;
|
|
|
|
if (!initHAL() || property.isEmpty() || keyval.isEmpty())
|
|
goto out;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
found = libhal_manager_find_device_string_match (hal_ctx, property.ascii(), keyval.ascii(), &num, &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get list of devices with key: " << property
|
|
<< "and string value: " << keyval << " error: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
libhal_free_string_array(found);
|
|
goto out;
|
|
} else {
|
|
for (int i = 0; i < num; ++i) {
|
|
TQString _to_add = found[i];
|
|
if (!_to_add.isEmpty()) *devices += _to_add;
|
|
}
|
|
libhal_free_string_array(found);
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/* ----> HAL section :: END <---- */
|
|
/* ----> D-Bus methode calls functions :: START <---- */
|
|
/*!
|
|
* This function call a D-Bus method
|
|
* \param interface TQString with te dbus interface
|
|
* \param path TQString with the object path
|
|
* \param object TQString with the object name
|
|
* \param method TQString with the name of the methode
|
|
* \param first_arg_type integer with the dbus type of the first argument
|
|
* \param ... more arguments
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method,
|
|
int first_arg_type, ... ) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool _ret = false;
|
|
va_list var_args;
|
|
|
|
va_start(var_args, first_arg_type);
|
|
_ret = dbusMethodCall( interface, path, object, method, DBUS_BUS_SYSTEM,
|
|
NULL, -1, first_arg_type, var_args);
|
|
va_end(var_args);
|
|
|
|
kdDebugFuncOut(trace);
|
|
return _ret;
|
|
}
|
|
|
|
|
|
/*!
|
|
* This overloaded function call a D-Bus method on the D-Bus system bus with a return value
|
|
* \param interface TQString with the dbus interface
|
|
* \param path TQString with the object path
|
|
* \param object TQString with the object name
|
|
* \param method TQString with the name of the method
|
|
* \param retvalue void pointer to arguments, if NULL we make a simple call
|
|
* \param retval_type Integer with the dbus type of the return value, set to -1 if retvalue is NULL
|
|
* \param first_arg_type Integer with the dbus type of the first argument followed by the value
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method,
|
|
void *retvalue, int retval_type, int first_arg_type, ... ) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool _ret = false;
|
|
va_list var_args;
|
|
|
|
va_start(var_args, first_arg_type);
|
|
_ret = dbusMethodCall( interface, path, object, method, DBUS_BUS_SYSTEM,
|
|
retvalue, retval_type, first_arg_type, var_args);
|
|
va_end(var_args);
|
|
|
|
kdDebugFuncOut(trace);
|
|
return _ret;
|
|
}
|
|
|
|
|
|
/*!
|
|
* This function call a D-Bus method with a return value
|
|
* \param interface TQString with the dbus interface
|
|
* \param path TQString with the object path
|
|
* \param object TQString with the object name
|
|
* \param method TQString with the name of the method
|
|
* \param dbus_type DBusBusType with the D-Bus BUS Type
|
|
* \param retvalue void pointer to arguments, if NULL we make a simple call
|
|
* \param retval_type Integer with the dbus type of the return value, set to -1 if retvalue is NULL
|
|
* \param first_arg_type Integer with the dbus type of the first argument followed by the value
|
|
* \param var_args va_list with more arguments
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::dbusMethodCall( TQString interface, TQString path, TQString object, TQString method,
|
|
DBusBusType dbus_type, void *retvalue, int retval_type, int first_arg_type,
|
|
va_list var_args ) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
DBusError error;
|
|
bool ret = false;
|
|
|
|
dbus_error_init(&error);
|
|
|
|
dbus_connection = dbus_bus_get(dbus_type, &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get dbus connection: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
}
|
|
|
|
message = dbus_message_new_method_call( interface.ascii(), path.ascii(), object.ascii(), method.ascii() );
|
|
dbus_message_append_args_valist(message, first_arg_type, var_args);
|
|
|
|
if (retvalue == NULL) {
|
|
if (!dbus_connection_send(dbus_connection, message, NULL)) {
|
|
kdError() << "Could not send method call." << endl;
|
|
dbus_message_unref( message );
|
|
goto out;
|
|
}
|
|
} else {
|
|
reply = dbus_connection_send_with_reply_and_block(dbus_connection, message, -1, &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not send dbus message: " << error.message << endl;
|
|
dbus_message_unref(message);
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
}
|
|
|
|
int type = dbus_message_get_type(reply);
|
|
if (type == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
|
|
if (!dbus_message_get_args(reply, &error, retval_type, retvalue, DBUS_TYPE_INVALID)){
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get argument from reply: "
|
|
<< error.message << endl;
|
|
dbus_error_free(&error);
|
|
}
|
|
dbus_message_unref(reply);
|
|
dbus_message_unref(message);
|
|
goto out;
|
|
}
|
|
} else {
|
|
kdError() << "Revieved invalid DBUS_MESSAGE_TYPE: " << type
|
|
<< "expected: " << DBUS_MESSAGE_TYPE_METHOD_RETURN << endl;
|
|
dbus_message_unref(reply);
|
|
dbus_message_unref(message);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
ret = true; // if we are here, everything should be okay
|
|
dbus_message_unref(message);
|
|
dbus_connection_flush(dbus_connection);
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* Function to call a suspend and call if resumed \ref callBackSuspend()
|
|
* to emit a resume signal.
|
|
* \param suspend a char pointer with the name of the suspend interface
|
|
* \return If the query was successful or not
|
|
*/
|
|
bool dbusHAL::dbusMethodCallSuspend ( const char *suspend ) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
DBusMessage *message;
|
|
DBusError error;
|
|
DBusPendingCall* pcall = NULL;
|
|
bool ret = false;
|
|
|
|
dbus_error_init(&error);
|
|
dbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get dbus connection: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
goto out;
|
|
}
|
|
|
|
message = dbus_message_new_method_call( HAL_SERVICE, HAL_COMPUTER_UDI, HAL_PM_IFACE, suspend);
|
|
if (strcmp( suspend, "Suspend") == 0) {
|
|
int wake_up = 0;
|
|
dbus_message_append_args (message, DBUS_TYPE_INT32, &wake_up, DBUS_TYPE_INVALID);
|
|
}
|
|
|
|
if (message) {
|
|
// need to set INT_MAX as default and not -1
|
|
dbus_connection_send_with_reply (dbus_connection, message, &pcall, INT_MAX);
|
|
if (pcall) {
|
|
dbus_pending_call_ref (pcall); // really needed?
|
|
dbus_pending_call_set_notify (pcall, dbusHAL::callBackSuspend, NULL, NULL);
|
|
}
|
|
dbus_message_unref (message);
|
|
ret = true;
|
|
}
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return ret;
|
|
}
|
|
|
|
/*!
|
|
* Slot called by D-Bus as set in \ref dbusMethodCallSuspend()
|
|
* Here we emit the resume signal.
|
|
*/
|
|
void dbusHAL::callBackSuspend (DBusPendingCall* pcall, void* /*data*/) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
DBusMessage* reply = NULL;
|
|
DBusError error;
|
|
int result;
|
|
bool failed = false;
|
|
|
|
if (!pcall) {
|
|
kdError() << "dbusHAL::callBackSuspend - DBusPendingCall not set, return" << endl;
|
|
kdDebugFuncOut(trace);
|
|
return;
|
|
}
|
|
|
|
reply = dbus_pending_call_steal_reply (pcall);
|
|
if (reply == NULL) {
|
|
kdError() << "dbusHAL::callBackSuspend - Got no reply, return" << endl;
|
|
goto out;
|
|
}
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID)) {
|
|
if (dbus_error_is_set(&error)) {
|
|
kdError() << "Could not get argument from reply: " << error.message << endl;
|
|
dbus_error_free(&error);
|
|
}
|
|
|
|
kdWarning() << "dbusHAL::callBackSuspend dbus_message_get_args failed, maybe timouted" << endl;
|
|
failed = true;
|
|
}
|
|
|
|
dbus_message_unref (reply);
|
|
|
|
out:
|
|
dbus_pending_call_unref (pcall);
|
|
|
|
if (failed)
|
|
emit ((dbusHAL*) myInstance)->backFromSuspend( -1 );
|
|
else
|
|
emit ((dbusHAL*) myInstance)->backFromSuspend( result );
|
|
|
|
kdDebugFuncOut(trace);
|
|
return;
|
|
}
|
|
|
|
|
|
/* ----> D-Bus methode calls functions :: END <---- */
|
|
/* ---> PolicyKit method call section :: START <--- */
|
|
|
|
/*!
|
|
* Check if the user is privileged to a special privilege
|
|
* \param privilege TQString with the name of the requested privilege
|
|
* \param udi TQString with the UDI.
|
|
* \param ressource TQString with the name of the ressource
|
|
* \param user TQString with the name of the user. If empty the current user is used.
|
|
* \return int with info if the user is allowed or not.
|
|
* \retval 0 if not allowed
|
|
* \retval 1 if allowed
|
|
* \retval -1 if a error occurs or we could not query the interface
|
|
*/
|
|
int dbusHAL::isUserPrivileged(TQString privilege, TQString udi, TQString ressource, TQString user) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
const char *_unique_name;
|
|
const char *_user;
|
|
const char *_privilege;
|
|
|
|
int retval = -1;
|
|
|
|
if (user.isEmpty() || user.isNull())
|
|
_user = getenv("USER");
|
|
else
|
|
_user = user.latin1();
|
|
|
|
if (_user == NULL || privilege.isEmpty())
|
|
goto out;
|
|
|
|
_unique_name = dbus_bus_get_unique_name(dbus_connection);
|
|
_privilege = privilege.latin1();
|
|
|
|
#ifdef USE_LIBHAL_POLICYCHECK
|
|
DBusError error;
|
|
char *result;
|
|
|
|
if (udi.isEmpty()) {
|
|
kdError() << "No UDI given ... could not lookup privileges" << endl;
|
|
goto out;
|
|
}
|
|
if (!hal_is_connected) {
|
|
kdError() << "HAL not running, could not call libhal for lookup privileges" << endl;
|
|
goto out;
|
|
}
|
|
|
|
dbus_error_init(&error);
|
|
result = libhal_device_is_caller_privileged ( hal_ctx, udi.latin1(), _privilege, _unique_name, &error);
|
|
|
|
if ( dbus_error_is_set( &error ) ) {
|
|
kdWarning() << "Error while lookup privileges: " << error.message << endl;
|
|
dbus_error_free( &error );
|
|
retval = -1;
|
|
} else {
|
|
if (!strcmp(result, "yes")) {
|
|
retval = 1;
|
|
} else if (!strcmp(result, "no")) {
|
|
retval = 0;
|
|
} else {
|
|
retval = -1;
|
|
}
|
|
}
|
|
|
|
libhal_free_string(result);
|
|
#else
|
|
// not sure if we need this, but to avoid problems
|
|
dbus_bool_t _retval;
|
|
const char *_ressource;
|
|
_ressource = ressource.latin1();
|
|
|
|
if (!dbusSystemMethodCall( "org.freedesktop.PolicyKit",
|
|
"/org/freedesktop/PolicyKit/Manager",
|
|
"org.freedesktop.PolicyKit.Manager",
|
|
"IsUserPrivileged",
|
|
&_retval, DBUS_TYPE_BOOLEAN,
|
|
DBUS_TYPE_STRING, &_unique_name,
|
|
DBUS_TYPE_STRING, &_user,
|
|
DBUS_TYPE_STRING, &_privilege,
|
|
DBUS_TYPE_STRING, &_ressource,
|
|
DBUS_TYPE_INVALID)) {
|
|
retval = -1; // only to be sure we have no changes trough the call
|
|
} else {
|
|
retval = (int) _retval;
|
|
}
|
|
#endif
|
|
|
|
out:
|
|
kdDebugFuncOut(trace);
|
|
return retval;
|
|
}
|
|
/* ---> PolicyKit method call section :: END <--- */
|
|
|
|
/*!
|
|
* Use this TQT_SLOT to emit a reviced messages to the kpowersave.
|
|
* NOTE: Because of the filter function this need to be a public function.
|
|
* Don't use this function in any other place than this class.
|
|
* \param type enum with the type of the message
|
|
* \param message String with the message
|
|
* \param string String with additional info
|
|
*/
|
|
void dbusHAL::emitMsgReceived( msg_type type, TQString message, TQString string ) {
|
|
|
|
if (message.startsWith("dbus.terminate"))
|
|
dbus_is_connected = false;
|
|
|
|
if (type == POLICY_POWER_OWNER_CHANGED) {
|
|
if (message.startsWith("NOW_OWNER"))
|
|
aquiredPolicyPower = true;
|
|
else
|
|
aquiredPolicyPower = false;
|
|
}
|
|
|
|
emit msgReceived_withStringString( type, message, string );
|
|
}
|
|
|
|
#include "dbusHAL.moc"
|
|
// --> functions which are not member of the class ...
|
|
|
|
/*!
|
|
* This function is needed filter function for the D-Bus connection to filter
|
|
* all needed messages from the bus which are needful for KPowersave.
|
|
* \param connection existing connection to the D-Bus daemon
|
|
* \param message the recieved message from the D-Bus daemon
|
|
* \param data void pointer (see dbus bindings for more information)
|
|
* \return DBusHandlerResult
|
|
*/
|
|
DBusHandlerResult
|
|
filterFunction (DBusConnection *connection, DBusMessage *message, void */*data*/) {
|
|
kdDebugFuncIn(trace);
|
|
|
|
bool reply_wanted;
|
|
char *value;
|
|
TQString ifaceType;
|
|
|
|
DBusError error;
|
|
dbus_error_init( &error );
|
|
|
|
if (dbus_message_is_signal (message,
|
|
DBUS_INTERFACE_LOCAL,
|
|
"Disconnected")){
|
|
((dbusHAL*) myInstance)->emitMsgReceived( DBUS_EVENT, "dbus.terminate", 0 );
|
|
dbus_connection_unref(connection);
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
if ( dbus_message_get_type( message ) != DBUS_MESSAGE_TYPE_SIGNAL ) {
|
|
if (trace) kdDebug() << "recieved message, but wasn't from type DBUS_MESSAGE_TYPE_SIGNAL" << endl;
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
ifaceType = dbus_message_get_interface( message );
|
|
if (ifaceType == NULL) {
|
|
kdDebug() << "Received message from invalid interface" << endl;
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
reply_wanted = !dbus_message_get_no_reply( message );
|
|
|
|
if (ifaceType.startsWith(DBUS_INTERFACE_DBUS)) {
|
|
if(trace) kdDebug() << "Received from DBUS_INTERFACE_DBUS" << endl;
|
|
/* get the name of the signal */
|
|
const char *signal = dbus_message_get_member( message );
|
|
|
|
/* get the first argument. This must be a string at the moment */
|
|
dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &value, DBUS_TYPE_INVALID );
|
|
|
|
if ( dbus_error_is_set( &error ) ) {
|
|
kdWarning() << "Received signal " << error.message << " but no string argument" << endl;
|
|
dbus_error_free( &error );
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
}
|
|
|
|
if (trace) kdDebug() << "filter_function::SIGNAL=" << signal << " VALUE=" << value << endl;
|
|
|
|
/* our name is... */
|
|
if ( ! strcmp( signal, "NameAcquired" ) ) {
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
}
|
|
|
|
else if ( ! strcmp( signal, "NameOwnerChanged" )) {
|
|
char *service;
|
|
char *old_owner;
|
|
char *new_owner;
|
|
|
|
if (dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &service,
|
|
DBUS_TYPE_STRING, &old_owner,
|
|
DBUS_TYPE_STRING, &new_owner, DBUS_TYPE_INVALID)) {
|
|
if (!strcmp(service, "org.freedesktop.Hal")) {
|
|
if (!strcmp(new_owner, "") && strcmp(old_owner, "")) {
|
|
// Hal service stopped.
|
|
kdDebug() << "=== org.freedesktop.Hal terminated ===" << endl;
|
|
((dbusHAL*) myInstance)->emitMsgReceived( DBUS_EVENT,
|
|
"hal.terminate",
|
|
NULL );
|
|
}
|
|
else if (!strcmp(old_owner, "") && strcmp(new_owner, "")) {
|
|
// Hal service started.
|
|
kdDebug() << "=== org.freedesktop.Hal started ===" << endl;
|
|
((dbusHAL*) myInstance)->emitMsgReceived( DBUS_EVENT,
|
|
"hal.started",
|
|
NULL );
|
|
}
|
|
} else if (!strcmp(service, "org.freedesktop.Policy.Power")) {
|
|
const char *own_name;
|
|
|
|
own_name = dbus_bus_get_unique_name(((dbusHAL*) myInstance)->get_DBUS_connection());
|
|
|
|
if (!strcmp(new_owner, own_name)) {
|
|
kdDebug() << "=== now owner of org.freedesktop.Policy.Power ===" << endl;
|
|
// we have now again the ower of the name!
|
|
((dbusHAL*) myInstance)->emitMsgReceived( POLICY_POWER_OWNER_CHANGED,
|
|
"NOW_OWNER",
|
|
NULL );
|
|
} else {
|
|
// some other has now the interface
|
|
kdDebug() << "=== someone owner of org.freedesktop.Policy.Power ===" << endl;
|
|
((dbusHAL*) myInstance)->emitMsgReceived( POLICY_POWER_OWNER_CHANGED,
|
|
"OTHER_OWNER",
|
|
NULL );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
} else if (ifaceType.startsWith("org.freedesktop.Hal.Manager")) {
|
|
kdDebug() << "Received from org.freedesktop.Hal.Manager" << endl;
|
|
char *udi;
|
|
|
|
const char *signal = dbus_message_get_member( message );
|
|
/* get the first argument. This must be a string at the moment */
|
|
dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &value, DBUS_TYPE_INVALID );
|
|
|
|
if ( dbus_error_is_set( &error ) ) {
|
|
kdWarning() << "Received signal, but no string argument: " << error.message << endl;
|
|
dbus_error_free( &error );
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
}
|
|
|
|
if (dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &udi, DBUS_TYPE_INVALID )) {
|
|
if (! strcmp(signal, "DeviceRemoved") || ! strcmp(signal, "DeviceAdded")) {
|
|
((dbusHAL*) myInstance)->emitMsgReceived( HAL_DEVICE, signal, udi );
|
|
kdDebug() << "org.freedesktop.Hal.Manager: uid: " << udi
|
|
<< " signal: " << signal << endl;
|
|
} else {
|
|
kdWarning() << "Received unknown signal from org.freedesktop.Hal.Manager: "
|
|
<< signal << endl;
|
|
}
|
|
}
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (ifaceType.startsWith("org.freedesktop.Hal.Device")) {
|
|
const char *udi = dbus_message_get_path (message);
|
|
const char *signal = dbus_message_get_member( message );
|
|
|
|
/* Code taken from libhal */
|
|
if (! strcmp(signal, "PropertyModified")) {
|
|
if (trace) kdDebug() << "-------- PropertyModified ------" << endl;
|
|
int i, num_modifications;
|
|
DBusMessageIter iter;
|
|
DBusMessageIter iter_array;
|
|
|
|
dbus_message_iter_init (message, &iter);
|
|
dbus_message_iter_get_basic (&iter, &num_modifications);
|
|
dbus_message_iter_next (&iter);
|
|
|
|
dbus_message_iter_recurse (&iter, &iter_array);
|
|
|
|
for (i = 0; i < num_modifications; i++) {
|
|
dbus_bool_t removed, added;
|
|
char *key;
|
|
DBusMessageIter iter_struct;
|
|
|
|
dbus_message_iter_recurse (&iter_array, &iter_struct);
|
|
|
|
dbus_message_iter_get_basic (&iter_struct, &key);
|
|
dbus_message_iter_next (&iter_struct);
|
|
dbus_message_iter_get_basic (&iter_struct, &removed);
|
|
dbus_message_iter_next (&iter_struct);
|
|
dbus_message_iter_get_basic (&iter_struct, &added);
|
|
|
|
/* don't check if we really need this device, check this in an other class */
|
|
((dbusHAL*) myInstance)->emitMsgReceived( HAL_PROPERTY_CHANGED, udi, key);
|
|
kdDebug() << "PropertyModified: uid: " << udi << " key: " << key << endl;
|
|
|
|
dbus_message_iter_next (&iter_array);
|
|
}
|
|
} else if (! strcmp(signal, "Condition")) {
|
|
if (trace) kdDebug() << "-------- Condition ------" << endl;
|
|
char *name, *detail;
|
|
|
|
dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &value, DBUS_TYPE_INVALID );
|
|
|
|
if (dbus_message_get_args (message, &error, DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &detail, DBUS_TYPE_INVALID)) {
|
|
((dbusHAL*) myInstance)->emitMsgReceived( HAL_CONDITION, name, detail );
|
|
} else {
|
|
if (dbus_error_is_set( &error )) dbus_error_free( &error );
|
|
}
|
|
} else {
|
|
kdDebug() << "Received unknown signal from org.freedesktop.Hal.Device: "
|
|
<< signal << endl;
|
|
}
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
} else if (ifaceType.startsWith("org.freedesktop.ConsoleKit.Session")) {
|
|
kdDebug() << "Received from org.freedesktop.ConsoleKit.Session" << endl;
|
|
|
|
const char *session = dbus_message_get_path (message);
|
|
const char *signal = dbus_message_get_member( message );
|
|
|
|
if (! strcmp(signal, "ActiveChanged")) {
|
|
dbus_bool_t active;
|
|
|
|
if (dbus_message_get_args( message, &error, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID )) {
|
|
((dbusHAL*) myInstance)->emitMsgReceived( CONSOLEKIT_SESSION_ACTIVE,
|
|
session, TQString("%1").arg((int)active));
|
|
} else {
|
|
if (dbus_error_is_set( &error )) dbus_error_free( &error );
|
|
}
|
|
} else {
|
|
kdDebug() << "Received unknown signal from org.freedesktop.ConsoleKit.Session: "
|
|
<< signal << endl;
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
} else {
|
|
kdDebugFuncOut(trace);
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
}
|
|
|
|
// --> some functions to get private members
|
|
|
|
//! to get the current connection to D-Bus
|
|
DBusConnection * dbusHAL::get_DBUS_connection() {
|
|
return dbus_connection;
|
|
}
|
|
|