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/*
* $Id: rsysinfo.c,v 1.3 2001/08/15 02:35:56 amigus Exp $
* rsysinfo version 3.03 rpc ruptime client for use with rpc.rstatd 3.03
* Copyright (C) 1995 Adam Migus, Memorial University of Newfoundland
* (MUN)
* Copyright (C) 2001 Andreas Klingler, University of Erlangen-Nuernberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* If you make modifications to the source, I would be happy to have
* them to include in future releases. Feel free to send them to:
* Adam Migus
* amigus@cs.mun.ca
* amigus@ucs.mun.ca
*
**************************************************************************/
#include <stdio.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <time.h>
#include <netdb.h>
#include "rstat.h"
void bzero();
void bcopy();
char *rindex();
static char * id = "@(#) $Id: rsysinfo.c,v 1.3 2001/08/15 02:35:56 amigus Exp $";
static char *version0 = "@(#)rsysinfo version 3.06 (c) Andreas Klingler 3/5/2001 based on\n";
char *version = "@(#)rsysinfo version 3.03 Copyright (Adam Migus) 1/9/96\n";
char *program_name;
rsysinfo_answer_v3(replyp,raddrp)
struct statstime *replyp;
struct sockaddr_in *raddrp;
{
struct hostent *hp;
char *host;
struct statstime *host_stat;
struct tm *tmp_time;
struct tm host_time;
struct tm host_uptime;
char days_buf[16];
char hours_buf[16];
host_stat = (statstime *)replyp;
hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
sizeof(struct in_addr), AF_INET);
if (hp)
host = (char *)hp->h_name;
else
host = (char *)inet_ntoa(raddrp->sin_addr);
tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec);
host_time = *tmp_time;
host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;
tmp_time = gmtime((time_t *)&host_stat->curtime.tv_sec);
host_uptime = *tmp_time;
if (host_uptime.tm_yday != 0)
sprintf(days_buf, "%3d 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("System Information for: %s\n",host);
printf("uptime: %s%sload average: %.2f %.2f %.2f\n",
days_buf, hours_buf, host_stat->avenrun[0]/256.0,
host_stat->avenrun[1]/256.0, host_stat->avenrun[2]/256.0);
printf("cpu usage (jiffies): user %d nice %d system %d idle %d\n",
host_stat->cp_time[0], host_stat->cp_time[1], host_stat->cp_time[2], host_stat->cp_time[3]);
printf("page in: %d page out: %d swap in: %d swap out: %d\n",
host_stat->v_pgpgin, host_stat->v_pgpgout, host_stat->v_pswpin, host_stat->v_pswpout);
printf("intr: %d context switches: %d\n",
host_stat->v_intr, host_stat->v_swtch);
printf ("disks: %d %d %d %d\n",
host_stat->dk_xfer[0],host_stat->dk_xfer[1],host_stat->dk_xfer[2],host_stat->dk_xfer[3]);
printf("ethernet: rx: %u rx-err: %u\n"
" tx: %u tx-err: %u collisions: %d\n",
host_stat->if_ipackets, host_stat->if_ierrors, host_stat->if_opackets, host_stat->if_oerrors,
host_stat->if_collisions);
return(0);
}
int pointopoint_v3(server_addr)
struct sockaddr_in *server_addr;
{
struct statstime host_stat;
struct timeval pertry_timeout, total_timeout;
enum clnt_stat clnt_stat;
int sock=RPC_ANYSOCK;
CLIENT *client;
pertry_timeout.tv_sec = 3;
pertry_timeout.tv_usec = 0;
total_timeout.tv_sec = 10;
total_timeout.tv_usec = 0;
if((client = clntudp_create(server_addr, RSTATPROG, RSTATVERS_TIME,
pertry_timeout, &sock)) == NULL) {
close(sock);
return(0);
}
clnt_stat = clnt_call(client, RSTATPROC_STATS, (xdrproc_t) xdr_void,0,
(xdrproc_t) xdr_statstime, (struct statstime *)&host_stat, total_timeout);
if(clnt_stat == RPC_SUCCESS) {
rsysinfo_answer_v3(&host_stat, server_addr);
clnt_destroy(client);
close(sock);
return(1);
}
else {
clnt_destroy(client);
close(sock);
return(0);
}
return(0);
}
void usage()
{
printf("usage: %s \"host\" | -v\n"\
"\t-v\tprint version and exit\n", program_name);
}
void main(argc,argv)
int argc; char **argv;
{
struct hostent *hp;
struct sockaddr_in server_addr;
char c;
program_name = rindex(argv[0],'/');
if(!(program_name))
program_name = argv[0];
else
program_name++;
if(argc == 1) {
usage();
exit(0);
}
while((c = getopt(argc,argv,"h?v")) != EOF)
switch(c) {
case 'v':
printf(version0);
printf(version);
exit(0);
case '?':
case 'h':
default:
usage();
exit(0);
}
if((hp = gethostbyname(argv[1])) == NULL) {
fprintf(stderr,"%s: cannot get hostname %s\n",program_name,argv[1]);
exit(-1);
}
bcopy(hp->h_addr,(caddr_t)&server_addr.sin_addr, hp->h_length);
server_addr.sin_family = AF_INET;
server_addr.sin_port = 0;
if(pointopoint_v3(&server_addr) == 1)
exit(0);
else
clnt_pcreateerror(program_name);
}
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