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//
// Copyright (c) 2008 by Tomi Tapper <tomi.o.tapper@jyu.fi>
//
// Read coretemp reading with sysctl and display actual temperature.
// If actual >= high, actual temp changes color to indicate alarm.
//
// File based on linux/lmstemp.* by
// Copyright (c) 2000, 2006 by Leopold Toetsch <lt@toetsch.at>
//
// This file may be distributed under terms of the GPL
//
//
//
#include "coretemp.h"
#include "kernel.h"
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
CoreTemp::CoreTemp( XOSView *parent, const char *label, const char *caption, int cpu)
: FieldMeter( parent, 3, label, caption, 1, 1, 1 ) {
metric_ = true;
cpu_ = cpu;
cpucount_ = countCpus();
temps_ = (float *)calloc(cpucount_, sizeof(float));
}
CoreTemp::~CoreTemp( void ) {
free(temps_);
}
void CoreTemp::checkResources( void ) {
FieldMeter::checkResources();
actcolor_ = parent_->allocColor( parent_->getResource( "coretempActColor" ) );
highcolor_ = parent_->allocColor( parent_->getResource( "coretempHighColor" ) );
setfieldcolor( 0, actcolor_ );
setfieldcolor( 1, parent_->getResource( "coretempIdleColor") );
setfieldcolor( 2, highcolor_ );
priority_ = atoi( parent_->getResource( "coretempPriority" ) );
const char *highest = parent_->getResourceOrUseDefault( "coretempHighest", "100" );
total_ = atoi( highest );
const char *high = parent_->getResourceOrUseDefault( "coretempHigh", NULL );
SetUsedFormat( parent_->getResource( "coretempUsedFormat" ) );
// Get tjMax here and use as total.
float total = -300.0;
float *tjmax = (float *)calloc(cpucount_, sizeof(float));
BSDGetCPUTemperature(temps_, tjmax);
for (int i = 0; i < cpucount_; i++) {
if (tjmax[i] > total)
total = tjmax[i];
}
free(tjmax);
if (total > 0.0)
total_ = total;
char l[32];
if (!high) {
high_ = total_;
snprintf(l, 32, "ACT(\260C)/HIGH/%d", (int)total_);
}
else {
high_ = atoi( high );
snprintf(l, 32, "ACT(\260C)/%d/%d", (int)high_, (int)total_);
}
legend(l);
}
unsigned int CoreTemp::countCpus( void ) {
return BSDGetCPUTemperature(NULL, NULL);
}
void CoreTemp::checkevent( void ) {
getcoretemp();
drawfields();
}
void CoreTemp::getcoretemp( void ) {
BSDGetCPUTemperature(temps_, NULL);
fields_[0] = 0.0;
if ( cpu_ >= 0 && cpu_ < cpucount_ ) { // one core
fields_[0] = temps_[cpu_];
}
else if ( cpu_ == -1 ) { // average
float tempval = 0.0;
for (int i = 0; i < cpucount_; i++)
tempval += temps_[i];
fields_[0] = tempval / (float)cpucount_;
}
else if ( cpu_ == -2 ) { // maximum
float tempval = -300.0;
for (int i = 0; i < cpucount_; i++) {
if (temps_[i] > tempval)
tempval = temps_[i];
}
fields_[0] = tempval;
}
else { // should not happen
std::cerr << "Unknown CPU core number in coretemp." << std::endl;
parent_->done(1);
return;
}
setUsed(fields_[0], total_);
if (fields_[0] < 0)
fields_[0] = 0;
fields_[1] = high_ - fields_[0];
fields_[2] = total_ - fields_[1] - fields_[0];
if (fields_[0] > total_)
fields_[0] = total_;
if (fields_[2] < 0)
fields_[2] = 0;
if (fields_[1] < 0) { // alarm: T > high
fields_[1] = 0;
if (colors_[0] != highcolor_) {
setfieldcolor( 0, highcolor_ );
drawlegend();
}
}
else {
if (colors_[0] != actcolor_) {
setfieldcolor( 0, actcolor_ );
drawlegend();
}
}
}
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