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278 lines
7.9 KiB
278 lines
7.9 KiB
/*
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* PowerService.cpp
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*
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* Created on: Feb 1, 2021
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* Author: emanoil
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*
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* hardwarecontrol Copyright (C) 2021 trinity desktop development team
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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 version 2
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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 Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <unistd.h>
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//#include <kdebug.h>
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#include <tqfile.h>
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#include <tqtextstream.h>
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#include "PowerService.h"
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#define POWER_STATE_PATH "/sys/power/state"
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#define POWER_DISK_PATH "/sys/power/disk"
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PowerService::PowerService(TQT_DBusConnection &conn)
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: DeviceServiceBase(conn)
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{
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// TODO Auto-generated constructor stub
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}
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PowerService::~PowerService()
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{
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// TODO Auto-generated destructor stub
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}
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bool PowerService::canSetPower(TQString state, TQT_DBusError& error) {
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bool method = false;
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if (canSetDeviceValue(POWER_STATE_PATH,error)) {
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TQFile file1( POWER_STATE_PATH );
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if ( file1.open( IO_ReadOnly ) ) {
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TQTextStream stream( &file1 );
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TQString line = stream.readLine(); // line of text excluding '\n'
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if ( line.find(state, 0) != -1 )
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method = true;
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file1.close();
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} else {
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error = TQT_DBusError::stdInvalidArgs(TQString ("Can not write device: ").append(POWER_STATE_PATH));
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}
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}
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// send reply
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return method;
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}
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bool PowerService::setPower(TQString state, TQT_DBusError& error) {
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bool written = false;
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if (canSetPower(state,error)) {
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if ( setDeviceValue(POWER_STATE_PATH, state, error) ) {
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written = true;
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} else {
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error = TQT_DBusError::stdFailed(TQString ("Can not set state: " + state));
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}
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} else {
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error = TQT_DBusError::stdFailed(TQString ("Can not write device: ").append(POWER_STATE_PATH));
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}
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return written;
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}
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bool PowerService::canSetHibernation(TQString state, TQT_DBusError& error) {
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// check if path is writable
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bool state_writable = canSetDeviceValue(POWER_STATE_PATH,error);
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bool disk_writable = canSetDeviceValue(POWER_DISK_PATH,error);
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// check if method is supported
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bool method1 = false, method2 = false;
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if (state_writable && disk_writable) {
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TQFile file1( POWER_STATE_PATH );
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if ( file1.open( IO_ReadOnly ) ) {
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TQTextStream stream( &file1 );
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TQString line = stream.readLine(); // line of text excluding '\n'
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if ( line.find("disk", 0) != -1 )
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method1 = true;
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file1.close();
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// kdDebug() << "Method1 for " << state << " is " << method1 << "\n";
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} else {
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error = TQT_DBusError::stdInvalidArgs(TQString ("Could not open ").append(POWER_STATE_PATH));
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return false;
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}
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TQFile file2(POWER_DISK_PATH);
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if ( file2.open( IO_ReadOnly ) ) {
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TQTextStream stream( &file2 );
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TQString line = stream.readLine(); // line of text excluding '\n'
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if ( line.find(state, 0) != -1 )
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method2 = true;
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file2.close();
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} else {
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error = TQT_DBusError::stdInvalidArgs(TQString ("Could not open ").append(POWER_DISK_PATH));
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return false;
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}
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}
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// send reply
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return state_writable && disk_writable && method1 && method2;
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}
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bool PowerService::setHibernation(TQString state, TQT_DBusError& error) {
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// set hibernation state
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bool written1 = false, written2 = false;
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if (canSetHibernation(state,error)) {
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TQFile file1(POWER_DISK_PATH);
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if (!file1.open( IO_WriteOnly ) ) {
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error = TQT_DBusError::stdFailed(TQString ("Could not open device ").append(POWER_DISK_PATH));
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return false;
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}
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TQTextStream stream1( &file1 );
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stream1 << state;
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file1.close();
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written1 = true;
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TQFile file2(POWER_STATE_PATH);
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if (!file2.open( IO_WriteOnly ) ) {
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error = TQT_DBusError::stdFailed(TQString ("Could not open device ").append(POWER_STATE_PATH));
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return false;
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}
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TQTextStream stream2( &file2 );
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stream2 << "disk";
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file2.close();
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written2 = true;
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} else {
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error = TQT_DBusError::stdFailed(TQString ("Could not set state: " + state));
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return false;
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}
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return written1 && written2;
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}
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/*!
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* Implement virtual methods
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*
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*/
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bool PowerService::CanStandby(bool& value, TQT_DBusError& error) {
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value = canSetPower("standby", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::Standby(bool& value, TQT_DBusError& error) {
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value = setPower("standby", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::CanFreeze(bool& value, TQT_DBusError& error) {
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value = canSetPower("freeze", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::Freeze(bool& value, TQT_DBusError& error) {
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value = setPower("freeze", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::CanSuspend(bool& value, TQT_DBusError& error) {
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value = canSetPower("mem", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::Suspend(bool& value, TQT_DBusError& error) {
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value = setPower("mem", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::CanHibernate(bool& value, TQT_DBusError& error) {
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value = canSetHibernation("platform", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::Hibernate(bool& value, TQT_DBusError& error) {
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value = setHibernation("platform", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::CanHybridSuspend(bool& value, TQT_DBusError& error) {
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value = canSetHibernation("suspend", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::HybridSuspend(bool& value, TQT_DBusError& error) {
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value = setHibernation("suspend", error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::CanSetHibernationMethod(bool& value, TQT_DBusError& error) {
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value = canSetDeviceValue(POWER_DISK_PATH, error);
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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bool PowerService::SetHibernationMethod(const TQString& method, bool& value, TQT_DBusError& error) {
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// set hibernation method
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if (!method.isEmpty()) {
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value = setDeviceValue(POWER_DISK_PATH, method, error);
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}
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else {
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value = false;
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error = TQT_DBusError::stdInvalidArgs(TQString ("Invalid argument for method: " + method));
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}
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if (error.isValid()) {
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tqDebug(error.message().local8Bit());
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return false;
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}
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return true;
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}
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void PowerService::handleMethodReply(const TQT_DBusMessage& reply) {
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m_connection->send(reply);
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}
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