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176 lines
5.1 KiB
176 lines
5.1 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2003 by Hans Karlsson *
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* karlsson.h@home.se *
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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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***************************************************************************/
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#include "disksensor.h"
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#include <qfile.h>
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#include <qtextstream.h>
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#include <qstring.h>
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#include <qregexp.h>
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#include <kprocess.h>
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#include <kprocio.h>
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DiskSensor::DiskSensor( int msec ) : Sensor( msec )
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{
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connect(&ksp, SIGNAL(receivedStdout(KProcess *, char *, int )),
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this,SLOT(receivedStdout(KProcess *, char *, int )));
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connect(&ksp, SIGNAL(processExited(KProcess *)),
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this,SLOT(processExited( KProcess * )));
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// update values on startup
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ksp.clearArguments();
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ksp << "df";
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ksp.start( KProcIO::Block,KProcIO::Stdout);
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init = 1;
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}
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DiskSensor::~DiskSensor()
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{}
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long DiskSensor::getFreeSpace(QString mntPt) const
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{
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QRegExp rx( "^\\S*\\s*\\d+\\s+\\d+\\s+(\\d+)");
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rx.search(mntMap[mntPt]);
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return rx.cap(1).toLong();
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}
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long DiskSensor::getUsedSpace(QString mntPt) const
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{
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QRegExp rx( "^\\S*\\s*\\d+\\s+(\\d+)\\s+\\d+");
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rx.search(mntMap[mntPt]);
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return rx.cap(1).toLong();
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}
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long DiskSensor::getTotalSpace(QString mntPt) const
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{
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QRegExp rx( "^\\S*\\s*(\\d+)\\s+\\d+\\s+\\d+");
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rx.search(mntMap[mntPt]);
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return rx.cap(1).toLong();
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}
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int DiskSensor::getPercentUsed(QString mntPt) const
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{
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QRegExp rx( "\\s+(\\d+)%\\s+");
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rx.search(mntMap[mntPt]);
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return rx.cap(1).toInt();
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}
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int DiskSensor::getPercentFree(QString mntPt) const
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{
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return ( 100 - getPercentUsed( mntPt ) );
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}
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void DiskSensor::receivedStdout(KProcess *, char *buffer, int len )
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{
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buffer[len] = 0;
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sensorResult += QString( QCString(buffer) );
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}
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void DiskSensor::processExited(KProcess *)
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{
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QStringList stringList = QStringList::split('\n',sensorResult);
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sensorResult = "";
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QStringList::Iterator it = stringList.begin();
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//QRegExp rx( "^(/dev/).*(/\\S*)$");
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QRegExp rx( ".*\\s+(/\\S*)$");
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while( it != stringList.end())
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{
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rx.search( *it );
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if ( !rx.cap(0).isEmpty())
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{
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mntMap[rx.cap(1)] = *it;
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}
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it++;
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}
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stringList.clear();
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QString format;
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QString mntPt;
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SensorParams *sp;
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Meter *meter;
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QObjectListIt lit( *objList );
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while (lit != 0)
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{
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sp = (SensorParams*)(*lit);
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meter = sp->getMeter();
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format = sp->getParam("FORMAT");
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mntPt = sp->getParam("MOUNTPOINT");
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if (mntPt.length() == 0)
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mntPt="/";
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if (format.length() == 0 )
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{
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format = "%u";
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}
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format.replace( QRegExp("%fp", false),QString::number(getPercentFree(mntPt)));
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format.replace( QRegExp("%fg",false),
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QString::number(getFreeSpace(mntPt)/(1024*1024)));
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format.replace( QRegExp("%fkb",false),
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QString::number(getFreeSpace(mntPt)*8) );
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format.replace( QRegExp("%fk",false),
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QString::number(getFreeSpace(mntPt)) );
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format.replace( QRegExp("%f", false),QString::number(getFreeSpace(mntPt)/1024));
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format.replace( QRegExp("%up", false),QString::number(getPercentUsed(mntPt)));
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format.replace( QRegExp("%ug",false),
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QString::number(getUsedSpace(mntPt)/(1024*1024)));
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format.replace( QRegExp("%ukb",false),
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QString::number(getUsedSpace(mntPt)*8) );
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format.replace( QRegExp("%uk",false),
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QString::number(getUsedSpace(mntPt)) );
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format.replace( QRegExp("%u", false),QString::number(getUsedSpace(mntPt)/1024));
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format.replace( QRegExp("%tg",false),
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QString::number(getTotalSpace(mntPt)/(1024*1024)));
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format.replace( QRegExp("%tkb",false),
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QString::number(getTotalSpace(mntPt)*8));
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format.replace( QRegExp("%tk",false),
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QString::number(getTotalSpace(mntPt)));
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format.replace( QRegExp("%t", false),QString::number(getTotalSpace(mntPt)/1024));
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meter->setValue(format);
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++lit;
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}
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if ( init == 1 )
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{
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emit initComplete();
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init = 0;
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}
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}
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void DiskSensor::update()
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{
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ksp.clearArguments();
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ksp << "df";
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ksp.start( KProcIO::NotifyOnExit,KProcIO::Stdout);
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}
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void DiskSensor::setMaxValue( SensorParams *sp )
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{
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Meter *meter;
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meter = sp->getMeter();
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const QString mntPt = sp->getParam( "MOUNTPOINT" );
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QString f;
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f = sp->getParam("FORMAT");
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if( f == "%fp" || f == "%up" )
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meter->setMax( 100 );
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else
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meter->setMax( getTotalSpace( mntPt ) / 1024 );
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}
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#include "disksensor.moc"
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