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/*
htop - LoadAverageMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "LoadAverageMeter.h"
#include "CRT.h"
#include <assert.h>
/*{
#include "Meter.h"
}*/
int LoadAverageMeter_attributes[] = {
LOAD_AVERAGE_FIFTEEN, LOAD_AVERAGE_FIVE, LOAD_AVERAGE_ONE
};
int LoadMeter_attributes[] = { LOAD };
static inline void LoadAverageMeter_scan(double* one, double* five, double* fifteen) {
int activeProcs, totalProcs, lastProc;
*one = 0; *five = 0; *fifteen = 0;
FILE *fd = fopen(PROCDIR "/loadavg", "r");
if (fd) {
int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
&activeProcs, &totalProcs, &lastProc);
(void) total;
assert(total == 6);
fclose(fd);
}
}
static void LoadAverageMeter_setValues(Meter* this, char* buffer, int size) {
LoadAverageMeter_scan(&this->values[2], &this->values[1], &this->values[0]);
snprintf(buffer, size, "%.2f/%.2f/%.2f", this->values[2], this->values[1], this->values[0]);
}
static void LoadAverageMeter_display(Object* cast, RichString* out) {
Meter* this = (Meter*)cast;
char buffer[20];
sprintf(buffer, "%.2f ", this->values[2]);
RichString_write(out, CRT_colors[LOAD_AVERAGE_FIFTEEN], buffer);
sprintf(buffer, "%.2f ", this->values[1]);
RichString_append(out, CRT_colors[LOAD_AVERAGE_FIVE], buffer);
sprintf(buffer, "%.2f ", this->values[0]);
RichString_append(out, CRT_colors[LOAD_AVERAGE_ONE], buffer);
}
static void LoadMeter_setValues(Meter* this, char* buffer, int size) {
double five, fifteen;
LoadAverageMeter_scan(&this->values[0], &five, &fifteen);
if (this->values[0] > this->total) {
this->total = this->values[0];
}
snprintf(buffer, size, "%.2f", this->values[0]);
}
static void LoadMeter_display(Object* cast, RichString* out) {
Meter* this = (Meter*)cast;
char buffer[20];
sprintf(buffer, "%.2f ", ((Meter*)this)->values[0]);
RichString_write(out, CRT_colors[LOAD], buffer);
}
MeterClass LoadAverageMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete,
.display = LoadAverageMeter_display,
},
.setValues = LoadAverageMeter_setValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 3,
.total = 100.0,
.attributes = LoadAverageMeter_attributes,
.name = "LoadAverage",
.uiName = "Load average",
.caption = "Load average: "
};
MeterClass LoadMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete,
.display = LoadMeter_display,
},
.setValues = LoadMeter_setValues,
.defaultMode = TEXT_METERMODE,
.total = 100.0,
.attributes = LoadMeter_attributes,
.name = "Load",
.uiName = "Load",
.caption = "Load: "
};
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