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/* vi: set sw=2 ts=2:
*
* 2010-2013 Copyright (c) 2013 RIPE NCC <atlas@ripe.net>
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
* read /cat/proc/buddyinfo and print out.
* if env variable LOWMEM_REBOOT is set KBytes same as buddyinfo reboot
*
*/
#include "libbb.h"
/* This is a NOFORK applet. Be very careful! */
int buddyinfo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int buddyinfo_main(int argc UNUSED_PARAM, char **argv)
{
char *lowmemChar;
unsigned lowmem = 0;
lowmemChar = getenv("LOW_MEM_T");
if(lowmemChar)
lowmem = xatou(lowmemChar);
FILE *fp = xfopen_for_read("/proc/buddyinfo");
char aa[10];
fscanf(fp, "%s", aa);
fscanf(fp, "%s", aa);
fscanf(fp, "%s", aa);
fscanf(fp, "%s", aa);
char *my_mac ;
my_mac = getenv("ETHER_SCANNED");
int i = 0;
int j = 0;
int memBlock = 4;
int fReboot = 1; // don't reboot
if (lowmem >= 4 )
{
fReboot = 0; // env variable is set sow we check for low thershhold
}
printf ("RESULT 9001.0 ongoing %d ", (int)time(0));
if (my_mac != NULL)
printf("%s ", my_mac);
for (j=0; j< 11; j++)
{
fscanf(fp, "%d", &i);
printf("%-3d ", i);
if ( lowmem >= 4)
{
if( memBlock >= lowmem)
{
if(fReboot == 0)
{
if (i > 0 )
{
fReboot = 1;
}
}
}
}
memBlock *= 2;
}
printf ("\n");
fclose(fp);
if(fReboot == 0 )
{
fprintf(stderr, "buddy info returned 1 for block %d\n", lowmem);
return (EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
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