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tdeutils/ksim/monitors/lm_sensors/sensorbase.cpp

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/* ksim - a system monitor for kde
*
* Copyright (C) 2001 Robbie Ward <linuxphreak@gmx.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "sensorbase.h"
#include "sensorbase.moc"
#include <ksimconfig.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqglobal.h>
#include <klibloader.h>
#include <kstandarddirs.h>
#include <tdeconfig.h>
#include <tqtimer.h>
#include <tqfile.h>
#include <tqregexp.h>
#include <stdio.h>
#include <X11/Xlib.h>
#include "NVCtrl.h"
#include "NVCtrlLib.h"
SensorBase *SensorBase::m_self = 0;
SensorBase *SensorBase::self()
{
if (!m_self) {
m_self = new SensorBase;
tqAddPostRoutine(cleanup);
}
return m_self;
}
SensorBase::SensorBase() : TQObject()
{
KSim::Config::config()->setGroup("Sensors");
TQCString sensorsName("libsensors.so");
TQStringList sensorLocations = KSim::Config::config()->readListEntry("sensorLocations");
TQStringList::ConstIterator it;
for (it = sensorLocations.begin(); it != sensorLocations.end(); ++it) {
if (TQFile::exists((*it).local8Bit() + sensorsName)) {
m_libLocation = (*it).local8Bit() + sensorsName;
break;
}
}
m_library = KLibLoader::self()->library(m_libLocation);
kdDebug(2003) << sensorsName << " location = " << m_libLocation << endl;
m_loaded = init();
{
int eventBase;
int errorBase;
m_hasNVControl = XNVCTRLQueryExtension(tqt_xdisplay(), &eventBase, &errorBase) == True;
}
m_updateTimer = new TQTimer(this);
connect(m_updateTimer, TQT_SIGNAL(timeout()), TQT_SLOT(update()));
}
SensorBase::~SensorBase()
{
if (!m_libLocation.isNull()) {
if (m_cleanup) m_cleanup();
KLibLoader::self()->unloadLibrary(m_libLocation);
}
}
void SensorBase::setUpdateSpeed(uint speed)
{
if (m_updateTimer->isActive())
m_updateTimer->stop();
update(); // just to make sure the display is updated ASAP
if (speed == 0)
return;
m_updateTimer->start(speed);
}
void SensorBase::update()
{
if (!m_loaded)
return;
m_sensorList.clear();
const ChipName *chip;
int currentSensor = 0;
int sensor = 0;
while ((chip = m_detectedChips(&sensor)) != NULL) {
int first = 0, second = 0;
const FeatureData *sFeature = 0;
while ((sFeature = m_allFeatures(*chip, &first, &second)) != NULL) {
if (sFeature->mapping == NoMapping) {
char *name;
double value;
m_label(*chip, sFeature->number, &name);
m_feature(*chip, sFeature->number, &value);
float returnValue = formatValue(TQString::fromUtf8(name), float(value));
TQString label = formatString(TQString::fromUtf8(name), returnValue);
TQString chipset = chipsetString(chip);
m_sensorList.append(SensorInfo(currentSensor++, label,
TQString::fromUtf8(name), TQString::fromUtf8(chip->prefix),
chipset, sensorType(TQString::fromLatin1(name))));
}
}
}
if (m_hasNVControl) {
int temp = 0;
if (XNVCTRLQueryAttribute(tqt_xdisplay(), tqt_xscreen(), 0 /* not used? */, NV_CTRL_GPU_CORE_TEMPERATURE, &temp)) {
TQString name = TQString::fromLatin1("GPU Temp");
m_sensorList.append(SensorInfo(currentSensor++, TQString::number(temp),
name, TQString(), TQString(), sensorType(name)));
}
if (XNVCTRLQueryAttribute(tqt_xdisplay(), tqt_xscreen(), 0 /* not used? */, NV_CTRL_AMBIENT_TEMPERATURE, &temp)) {
TQString name = TQString::fromLatin1("GPU Ambient Temp");
m_sensorList.append(SensorInfo(currentSensor++, TQString::number(temp),
name, TQString(), TQString(), sensorType(name)));
}
}
emit updateSensors(m_sensorList);
}
void SensorBase::cleanup()
{
if (!m_self)
return;
delete m_self;
m_self = 0;
}
bool SensorBase::init()
{
if (m_libLocation.isNull()) {
kdError() << "Unable to find libsensors.so" << endl;
return false;
}
m_init = (Init)m_library->symbol("sensors_init");
if (!m_init)
return false;
m_error = (Error)m_library->symbol("sensors_strerror");
if (!m_error)
return false;
m_detectedChips = (GetDetectedChips *)m_library->symbol("sensors_get_detected_chips");
m_allFeatures = (GetAllFeatures *)m_library->symbol("sensors_get_all_features");
m_label = (Label)m_library->symbol("sensors_get_label");
m_feature = (Feature)m_library->symbol("sensors_get_feature");
if (!m_detectedChips || !m_allFeatures || !m_label || !m_feature)
return false;
m_cleanup = (Cleanup)m_library->symbol("sensors_cleanup");
if (!m_cleanup)
return false;
int res;
FILE *input;
if ((input = fopen("/etc/sensors.conf", "r")) == 0)
return false;
if ((res = m_init(input))) {
if (res == ProcError) {
kdError() << "There was an error reading the sensor information\n"
<< "Make sure sensors.o and i2c-proc.o are loaded" << endl;
}
else {
kdError() << m_error(res) << endl;
}
fclose(input);
return false;
}
fclose(input);
return true;
}
TQString SensorBase::sensorType(const TQString &name)
{
if (name.findRev("fan", -1, false) != -1)
return i18n("Rounds per minute", " RPM");
if (name.findRev("temp", -1, false) != -1)
if (SensorBase::fahrenheit())
return TQString::fromLatin1("<EFBFBD>F");
else
return TQString::fromLatin1("<EFBFBD>C");
if (name.findRev(TQRegExp("[^\\+]?[^\\-]?V$")) != -1)
return i18n("Volt", "V");
return TQString();
}
TQString SensorBase::chipsetString(const ChipName *c)
{
TQString data = TQString::fromUtf8(c->prefix);
if (c->bus == BusISA)
return TQString().sprintf("%s-isa-%04x", data.utf8().data(), c->addr);
return TQString().sprintf("%s-i2c-%d-%02x", data.utf8().data(), c->bus, c->addr);
}
float SensorBase::formatValue(const TQString &label, float value)
{
if (label.findRev("temp", -1, false) != -1)
return toFahrenheit(value);
return value;
}
TQString SensorBase::formatString(const TQString &label, float value)
{
if (label.findRev("fan", -1, false) != -1)
return TQString::number(value);
return TQString::number(value,'f',2);
}