BSD 4_4 release

[unix-history] / usr / src / lib / librpc / rpcsvc / rstat.c

/* @(#)rstat.c  2.3 88/11/30 4.0 RPCSRC */
/*
*  Simple program that prints the status of a remote host, in a format
*  similar to that used by the 'w' command, using the rstat.x service.
*/

#include <stdio.h>
#include <sys/param.h>
#include <rpc/rpc.h>        /* include <sys/time.h> */
#include "rstat.h"

main(argc, argv)
int argc;
char **argv;
{

   char        *host;
   CLIENT      *rstat_clnt;
   statstime   *host_stat;
   struct tm   *tmp_time;
   struct tm    host_time;
   struct tm    host_uptime;
   char         days_buf[16];
   char         hours_buf[16];

   if (argc != 2)
   {
       fprintf(stderr, "usage: %s \"host\"\n", argv[0]);
       exit(1);
   }

   host = argv[1];

   /* client handle to rstat */
   rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
   if (rstat_clnt == NULL)
   {
       clnt_pcreateerror(argv[0]);
       exit(1);
   }

   host_stat = rstatproc_stats_3(NULL, rstat_clnt);
   if (host_stat == NULL)
   {
       clnt_perror(rstat_clnt, argv[0]);
       exit(1);
   }

   tmp_time = localtime(&host_stat->curtime.tv_sec);
   host_time = *tmp_time;

   host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;

   tmp_time = gmtime(&host_stat->curtime.tv_sec);
   host_uptime = *tmp_time;

   if (host_uptime.tm_yday != 0)
       sprintf(days_buf, "%d day%s, ", host_uptime.tm_yday,
           (host_uptime.tm_yday > 1) ? "s" : "");
   else
       days_buf[0] = '\0';

   if (host_uptime.tm_hour != 0)
       sprintf(hours_buf, "%2d:%02d,",
           host_uptime.tm_hour, host_uptime.tm_min);
   else
   if (host_uptime.tm_min != 0)
       sprintf(hours_buf, "%2d mins,", host_uptime.tm_min);
   else
       hours_buf[0] = '\0';

   printf(" %2d:%02d%cm  up %s%s load average: %.2f %.2f %.2f\n",
       (host_time.tm_hour > 12)  ? host_time.tm_hour - 12
                                 : host_time.tm_hour,
       host_time.tm_min,
       (host_time.tm_hour >= 12) ? 'p'
                                 : 'a',
       days_buf,
       hours_buf,
       (double)host_stat->avenrun[0]/FSCALE,
       (double)host_stat->avenrun[1]/FSCALE,
       (double)host_stat->avenrun[2]/FSCALE);

   exit(0);
}