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|
#ifndef NO_GETOPT
#include <getopt.h>
#endif
#define BARLEN 35
#define HEADERLEN 14
#define VERSION "0.8.10"
void bargraph(float percent, float secondper, char marks[BARLEN+HEADERLEN+1],int usefull) {
char percentone[BARLEN+1], percenttwo[BARLEN+1], remain[BARLEN+1];
unsigned int numberofmarks, numofmarkstwo, remainnum;
numberofmarks=(int) ((float) (BARLEN*(percent/100)));
if (!usefull) numofmarkstwo=(int) ((float) (BARLEN*(secondper/100))); else numofmarkstwo=(BARLEN-numberofmarks);
remainnum=BARLEN-(numberofmarks+numofmarkstwo);
memset(percentone, '#', numberofmarks);
memset(percenttwo, '%', numofmarkstwo);
memset(remain, '.', remainnum);
percentone[numberofmarks]=0;
percenttwo[numofmarkstwo]=0;
remain[remainnum]=0;
snprintf(marks, BARLEN+HEADERLEN+1, "%s\033[1;31m%s\033[1;37m%s", percentone, percenttwo, remain);
return;
void bargraph(float percent, float secondper, char marks[BARLEN + HEADERLEN + 1], int usefull) {
char percentone[BARLEN + 1], percenttwo[BARLEN + 1], remain[BARLEN + 1];
unsigned int numberofmarks, numofmarkstwo, remainnum;
numberofmarks=(int) ((float) (BARLEN * (percent / 100)));
if (!usefull) {
numofmarkstwo = (int) ((float) (BARLEN * (secondper / 100)));
} else {
numofmarkstwo = (BARLEN - numberofmarks);
}
remainnum = BARLEN - (numberofmarks + numofmarkstwo);
memset(percentone, '#', numberofmarks);
memset(percenttwo, '%', numofmarkstwo);
memset(remain, '.', remainnum);
percentone[numberofmarks] = 0;
percenttwo[numofmarkstwo] = 0;
remain[remainnum] = 0;
snprintf(marks, BARLEN + HEADERLEN + 1, "%s\033[1;31m%s\033[1;37m%s", percentone, percenttwo, remain);
return;
}
#ifndef HAVE_LIBSTATGRAB
/*
Extracted alot from sysinfo.c (part of the procps package?) by
Michael K. Johnson <johnsonm@redhat.com>
*/
unsigned long get_meminfo(char searchfor[12]) {
FILE *fd;
unsigned long value=0, results=0;
char buffer[256]; /* Paranoia, reallly big buffer. */
char feildname[12];
if ((fd=fopen(PROC_MEMINFO, "r"))==NULL) return(0);
while (!feof(fd)) {
fgets(buffer, sizeof(buffer), fd);
sscanf(buffer,"%11s%lu",feildname,&value);
if (strcmp(feildname,searchfor)==0) results+=(value*1024);
}
fclose(fd);
return(results);
#endif
int main(int argc, char *argv[]) {
float percentram, percentswap, percentbuffer, percentused, percentfree;
float ramfree, ramtotal, swapfree, swaptotal, doloop=0, cachedbuffer, totaltotal;
char realbarchart[BARLEN+HEADERLEN+1], swapbarchart[BARLEN+HEADERLEN+1], totalbarchart[BARLEN+HEADERLEN+1];
int i, dototals=0, doold=0, linestoup=2;
unsigned long meminfo_cached, divisor=1024;
#ifndef HAVE_LIBSTATGRAB
struct sysinfo sinfo;
meminfo_cached=get_meminfo("Cached:");
sg_mem_stats *mem_stats=NULL;
sg_swap_stats *swap_stats=NULL;
struct systeminfo_st {
unsigned long totalram; /* Total usable main memory size */
unsigned long freeram; /* Available memory size */
unsigned long sharedram; /* Amount of shared memory */
unsigned long bufferram; /* Memory used by buffers */
unsigned long totalswap; /* Total swap space size */
unsigned long freeswap; /* swap space still available */
} sinfo;
sg_init();
/* Drop setuid/setgid privileges. */
if (sg_drop_privileges() != 0) {
perror("Error. Failed to drop privileges");
return 1;
}
}
mem_stats = sg_get_mem_stats();
swap_stats = sg_get_swap_stats();
if (mem_stats == NULL || swap_stats == NULL) {
return(-1);
}
retval->totalram = mem_stats->total;
retval->freeram = mem_stats->free;
retval->cachedram = mem_stats->cache;
retval->sharedram = 0;
retval->bufferram = 0;
retval->totalswap = swap_stats->total;
retval->freeswap = swap_stats->free;
return(0);
}
#endif
int main(int argc, char **argv) {
struct freecolor_meminfo sinfo;
unsigned long cachedbuffer, divisor;
float percentram, percentswap, percentbuffer, percentused, percentfree;
float ramfree, ramtotal, swapfree, swaptotal, doloop, totaltotal;
char realbarchart[BARLEN +HEADERLEN + 1], swapbarchart[BARLEN + HEADERLEN + 1], totalbarchart[BARLEN + HEADERLEN + 1];
int i, dototals, doold, linestoup;
int gam_ret;
/* Set defaults */
divisor = 1024;
doold = 0;
linestoup = 2;
dototals = 0;
doloop = 0;
/* Get arguments */
#ifdef NO_GETOPT
for (i=1;i<argc;i++) {
if (argv[i][0]=='-') {
switch(argv[i][1]) {
case 's' :
if (argc>(i+1)) { doloop=atof(argv[i+1]); i++; }
break;
while ((i=getopt(argc, argv, "obkmVs:t")) != -1) {
if (i=='?') { printf("usage: %s [-b|-k|-m] [-o] [-t] [-s delay] [-V]\n",argv[0]); return(1); }
switch(i) {
case 's' :
doloop=atof(optarg);
break;
#endif
case 'b' : divisor=1; break;
case 'k' : divisor=1024; break;
case 'm' : divisor=1048576; break;
case 'V' : printf("freecolor version %s\n", VERSION); return(0);
case 't' : dototals=1; linestoup++; break;
case 'o' : doold=1; linestoup++; break;
#ifdef NO_GETOPT
default : printf("%s: illegal option -- %c\n",argv[0],argv[i][1]); printf("usage: %s [-b|-k|-m] [-t] [-s delay] [-V]\n",argv[0]); return(1);
}
}
}
#else
}
}
#endif
while(1) {
#ifndef HAVE_LIBSTATGRAB
sysinfo(&sinfo);
#else
if(((mem_stats=sg_get_mem_stats()) == NULL) || (swap_stats=sg_get_swap_stats()) == NULL) {
printf("Couldn't get memory information, exiting.\n");
return(-1);
}
meminfo_cached=mem_stats->cache;
sinfo.totalram=mem_stats->total;
sinfo.freeram=mem_stats->free;
sinfo.sharedram=0;
sinfo.bufferram=0;
sinfo.totalswap=swap_stats->total;
sinfo.freeswap=swap_stats->free;
#endif
ramtotal=sinfo.totalram;
cachedbuffer=sinfo.bufferram+meminfo_cached;
ramfree=sinfo.freeram;
swapfree=sinfo.freeswap;
swaptotal=sinfo.totalswap;
totaltotal=(sinfo.totalram+sinfo.totalswap);
percentram=(float) ((ramfree / ramtotal)*100);
percentbuffer=(float) ((cachedbuffer/ramtotal)*100);
percentfree=(float) (((sinfo.freeram+sinfo.freeswap+meminfo_cached+sinfo.bufferram)/totaltotal)*100);
percentused=(int) (100-((int) percentfree));
if (!(swaptotal==0)) { percentswap=(float) ((swapfree/swaptotal)*100); } else { percentswap=0; }
bargraph(percentswap,0,swapbarchart,0);
bargraph(percentram,percentbuffer,realbarchart,0);
bargraph((int) percentfree,(int) percentused,totalbarchart,1);
if (!doold) {
printf("Physical : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m %i\033[0;31m%%\033[0m\t(%lu/%lu)\n", realbarchart ,(int) (percentram+percentbuffer), (unsigned long) (ramfree+cachedbuffer)/divisor, (unsigned long) ramtotal/divisor);
printf("Swap : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m %i\033[0;31m%%\033[0m\t(%lu/%lu)\n",swapbarchart ,(int) percentswap,(unsigned long) swapfree/divisor, (unsigned long) swaptotal/divisor);
if (dototals)
printf("Total : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m \033[0m(%lu=%lu+%lu)\n", totalbarchart, (unsigned long) (sinfo.totalram+sinfo.totalswap)/divisor,(unsigned long) ((sinfo.freeram+sinfo.freeswap)/divisor), (unsigned long) ((totaltotal-((sinfo.freeram+sinfo.freeswap+cachedbuffer)))/divisor));
} else {
printf(" total used free shared buffers cached\n");
printf("Mem: %12lu %10lu %10lu %10lu %10lu %10lu\n",(sinfo.totalram/divisor), (sinfo.totalram-sinfo.freeram)/divisor, (sinfo.freeram/divisor), (sinfo.sharedram/divisor), (sinfo.bufferram/divisor), (((unsigned long) cachedbuffer)/divisor));
printf("Swap: %12lu %10lu %10lu\n",(sinfo.totalswap/divisor), ((sinfo.totalswap-sinfo.freeswap)/divisor), (sinfo.freeswap/divisor));
if (dototals) printf("Total: %11lu = (%8lu (used) + %8lu (free))\n",(long) totaltotal/divisor,(((long) totaltotal)-((sinfo.freeram+sinfo.freeswap)))/divisor,(sinfo.freeram+sinfo.freeswap+((unsigned long) cachedbuffer))/divisor);
}
if (doloop==0) { return(0); } else { usleep(doloop*1000000); printf("\033[%iA",linestoup); }
}
return(0);
|