htop/MemoryMeter.c

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2006-03-04 18:16:49 +00:00
/*
htop
(C) 2004-2006 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "MemoryMeter.h"
#include "Meter.h"
#include "ProcessList.h"
#include <stdlib.h>
#include <curses.h>
#include <string.h>
#include <math.h>
#include <sys/param.h>
#include "debug.h"
#include <assert.h>
/*{
typedef struct MemoryMeter_ MemoryMeter;
struct MemoryMeter_ {
Meter super;
ProcessList* pl;
char* wideFormat;
int wideLimit;
};
}*/
MemoryMeter* MemoryMeter_new(ProcessList* pl) {
MemoryMeter* this = malloc(sizeof(MemoryMeter));
Meter_init((Meter*)this, String_copy("Memory"), String_copy("Mem"), 3);
((Meter*)this)->attributes[0] = MEMORY_USED;
((Meter*)this)->attributes[1] = MEMORY_BUFFERS;
((Meter*)this)->attributes[2] = MEMORY_CACHE;
((Meter*)this)->setValues = MemoryMeter_setValues;
((Object*)this)->display = MemoryMeter_display;
this->pl = pl;
Meter_setMode((Meter*)this, BAR);
this->wideFormat = "%6ldk ";
this->wideLimit = 22 + 8 * 4;
return this;
}
void MemoryMeter_setValues(Meter* cast) {
MemoryMeter* this = (MemoryMeter*)cast;
double totalMem = (double)this->pl->totalMem;
long int usedMem = this->pl->usedMem;
long int buffersMem = this->pl->buffersMem;
long int cachedMem = this->pl->cachedMem;
usedMem -= buffersMem + cachedMem;
cast->total = totalMem;
cast->values[0] = usedMem;
cast->values[1] = buffersMem;
cast->values[2] = cachedMem;
snprintf(cast->displayBuffer.c, 14, "%ld/%ldMB", usedMem / 1024, this->pl->totalMem / 1024);
}
void MemoryMeter_display(Object* cast, RichString* out) {
char buffer[50];
MemoryMeter* this = (MemoryMeter*)cast;
Meter* meter = (Meter*)cast;
int div = 1024; char* format = "%ldM ";
if (meter->w > this->wideLimit) {
div = 1; format = this->wideFormat;
}
long int totalMem = meter->total / div;
long int usedMem = meter->values[0] / div;
long int buffersMem = meter->values[1] / div;
long int cachedMem = meter->values[2] / div;
RichString_prune(out);
RichString_append(out, CRT_colors[METER_TEXT], ":");
sprintf(buffer, format, totalMem);
RichString_append(out, CRT_colors[METER_VALUE], buffer);
sprintf(buffer, format, usedMem);
RichString_append(out, CRT_colors[METER_TEXT], "used:");
RichString_append(out, CRT_colors[MEMORY_USED], buffer);
sprintf(buffer, format, buffersMem);
RichString_append(out, CRT_colors[METER_TEXT], "buffers:");
RichString_append(out, CRT_colors[MEMORY_BUFFERS], buffer);
sprintf(buffer, format, cachedMem);
RichString_append(out, CRT_colors[METER_TEXT], "cache:");
RichString_append(out, CRT_colors[MEMORY_CACHE], buffer);
}