353 lines
8.6 KiB
C
353 lines
8.6 KiB
C
/* @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC */
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro";
|
|
#endif
|
|
|
|
/*
|
|
* Copyright (c) 1984 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
/*
|
|
* rstat service: built with rstat.x and derived from rpc.rstatd.c
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <rpc/rpc.h>
|
|
#include <sys/socket.h>
|
|
#include <nlist.h>
|
|
#include <sys/dk.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/vmmeter.h>
|
|
#include <net/if.h>
|
|
#include "rstat.h"
|
|
|
|
struct nlist nl[] = {
|
|
#define X_CPTIME 0
|
|
{ "_cp_time" },
|
|
#define X_SUM 1
|
|
{ "_sum" },
|
|
#define X_IFNET 2
|
|
{ "_ifnet" },
|
|
#define X_DKXFER 3
|
|
{ "_dk_xfer" },
|
|
#define X_BOOTTIME 4
|
|
{ "_boottime" },
|
|
#define X_AVENRUN 5
|
|
{ "_avenrun" },
|
|
#define X_HZ 6
|
|
{ "_hz" },
|
|
"",
|
|
};
|
|
int kmem;
|
|
int firstifnet, numintfs; /* chain of ethernet interfaces */
|
|
int stats_service();
|
|
|
|
/*
|
|
* Define EXIT_WHEN_IDLE if you are able to have this program invoked
|
|
* automatically on demand (as from inetd). When defined, the service
|
|
* will terminated after being idle for 20 seconds.
|
|
*/
|
|
int sincelastreq = 0; /* number of alarms since last request */
|
|
#ifdef EXIT_WHEN_IDLE
|
|
#define CLOSEDOWN 20 /* how long to wait before exiting */
|
|
#endif /* def EXIT_WHEN_IDLE */
|
|
|
|
union {
|
|
struct stats s1;
|
|
struct statsswtch s2;
|
|
struct statstime s3;
|
|
} stats_all;
|
|
|
|
int updatestat();
|
|
static stat_is_init = 0;
|
|
extern int errno;
|
|
|
|
#ifndef FSCALE
|
|
#define FSCALE (1 << 8)
|
|
#endif
|
|
|
|
stat_init()
|
|
{
|
|
stat_is_init = 1;
|
|
setup();
|
|
updatestat();
|
|
alarm(1);
|
|
signal(SIGALRM, updatestat);
|
|
sleep(1); /* allow for one wake-up */
|
|
}
|
|
|
|
statstime *
|
|
rstatproc_stats_3()
|
|
{
|
|
if (! stat_is_init)
|
|
stat_init();
|
|
sincelastreq = 0;
|
|
return(&stats_all.s3);
|
|
}
|
|
|
|
statsswtch *
|
|
rstatproc_stats_2()
|
|
{
|
|
if (! stat_is_init)
|
|
stat_init();
|
|
sincelastreq = 0;
|
|
return(&stats_all.s2);
|
|
}
|
|
|
|
stats *
|
|
rstatproc_stats_1()
|
|
{
|
|
if (! stat_is_init)
|
|
stat_init();
|
|
sincelastreq = 0;
|
|
return(&stats_all.s1);
|
|
}
|
|
|
|
u_int *
|
|
rstatproc_havedisk_3()
|
|
{
|
|
static u_int have;
|
|
|
|
if (! stat_is_init)
|
|
stat_init();
|
|
sincelastreq = 0;
|
|
have = havedisk();
|
|
return(&have);
|
|
}
|
|
|
|
u_int *
|
|
rstatproc_havedisk_2()
|
|
{
|
|
return(rstatproc_havedisk_3());
|
|
}
|
|
|
|
u_int *
|
|
rstatproc_havedisk_1()
|
|
{
|
|
return(rstatproc_havedisk_3());
|
|
}
|
|
|
|
updatestat()
|
|
{
|
|
int off, i, hz;
|
|
struct vmmeter sum;
|
|
struct ifnet ifnet;
|
|
double avrun[3];
|
|
struct timeval tm, btm;
|
|
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "entering updatestat\n");
|
|
#endif
|
|
#ifdef EXIT_WHEN_IDLE
|
|
if (sincelastreq >= CLOSEDOWN) {
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "about to closedown\n");
|
|
#endif
|
|
exit(0);
|
|
}
|
|
sincelastreq++;
|
|
#endif /* def EXIT_WHEN_IDLE */
|
|
if (lseek(kmem, (long)nl[X_HZ].n_value, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&hz, sizeof hz) != sizeof hz) {
|
|
fprintf(stderr, "rstat: can't read hz from kmem\n");
|
|
exit(1);
|
|
}
|
|
if (lseek(kmem, (long)nl[X_CPTIME].n_value, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)stats_all.s1.cp_time, sizeof (stats_all.s1.cp_time))
|
|
!= sizeof (stats_all.s1.cp_time)) {
|
|
fprintf(stderr, "rstat: can't read cp_time from kmem\n");
|
|
exit(1);
|
|
}
|
|
if (lseek(kmem, (long)nl[X_AVENRUN].n_value, 0) ==-1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
#ifdef vax
|
|
if (read(kmem, (char *)avrun, sizeof (avrun)) != sizeof (avrun)) {
|
|
fprintf(stderr, "rstat: can't read avenrun from kmem\n");
|
|
exit(1);
|
|
}
|
|
stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
|
|
stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
|
|
stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
|
|
#endif
|
|
if (lseek(kmem, (long)nl[X_BOOTTIME].n_value, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&btm, sizeof (stats_all.s2.boottime))
|
|
!= sizeof (stats_all.s2.boottime)) {
|
|
fprintf(stderr, "rstat: can't read boottime from kmem\n");
|
|
exit(1);
|
|
}
|
|
stats_all.s2.boottime.tv_sec = btm.tv_sec;
|
|
stats_all.s2.boottime.tv_usec = btm.tv_usec;
|
|
|
|
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "%d %d %d %d\n", stats_all.s1.cp_time[0],
|
|
stats_all.s1.cp_time[1], stats_all.s1.cp_time[2], stats_all.s1.cp_time[3]);
|
|
#endif
|
|
|
|
if (lseek(kmem, (long)nl[X_SUM].n_value, 0) ==-1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&sum, sizeof sum) != sizeof sum) {
|
|
fprintf(stderr, "rstat: can't read sum from kmem\n");
|
|
exit(1);
|
|
}
|
|
stats_all.s1.v_pgpgin = sum.v_pgpgin;
|
|
stats_all.s1.v_pgpgout = sum.v_pgpgout;
|
|
stats_all.s1.v_pswpin = sum.v_pswpin;
|
|
stats_all.s1.v_pswpout = sum.v_pswpout;
|
|
stats_all.s1.v_intr = sum.v_intr;
|
|
gettimeofday(&tm, (struct timezone *) 0);
|
|
stats_all.s1.v_intr -= hz*(tm.tv_sec - btm.tv_sec) +
|
|
hz*(tm.tv_usec - btm.tv_usec)/1000000;
|
|
stats_all.s2.v_swtch = sum.v_swtch;
|
|
|
|
if (lseek(kmem, (long)nl[X_DKXFER].n_value, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)stats_all.s1.dk_xfer, sizeof (stats_all.s1.dk_xfer))
|
|
!= sizeof (stats_all.s1.dk_xfer)) {
|
|
fprintf(stderr, "rstat: can't read dk_xfer from kmem\n");
|
|
exit(1);
|
|
}
|
|
|
|
stats_all.s1.if_ipackets = 0;
|
|
stats_all.s1.if_opackets = 0;
|
|
stats_all.s1.if_ierrors = 0;
|
|
stats_all.s1.if_oerrors = 0;
|
|
stats_all.s1.if_collisions = 0;
|
|
for (off = firstifnet, i = 0; off && i < numintfs; i++) {
|
|
if (lseek(kmem, (long)off, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&ifnet, sizeof ifnet) != sizeof ifnet) {
|
|
fprintf(stderr, "rstat: can't read ifnet from kmem\n");
|
|
exit(1);
|
|
}
|
|
stats_all.s1.if_ipackets += ifnet.if_ipackets;
|
|
stats_all.s1.if_opackets += ifnet.if_opackets;
|
|
stats_all.s1.if_ierrors += ifnet.if_ierrors;
|
|
stats_all.s1.if_oerrors += ifnet.if_oerrors;
|
|
stats_all.s1.if_collisions += ifnet.if_collisions;
|
|
off = (int) ifnet.if_next;
|
|
}
|
|
gettimeofday((struct timeval *)&stats_all.s3.curtime,
|
|
(struct timezone *) 0);
|
|
alarm(1);
|
|
}
|
|
|
|
static
|
|
setup()
|
|
{
|
|
struct ifnet ifnet;
|
|
int off;
|
|
|
|
nlist("/vmunix", nl);
|
|
if (nl[0].n_value == 0) {
|
|
fprintf(stderr, "rstat: Variables missing from namelist\n");
|
|
exit (1);
|
|
}
|
|
if ((kmem = open("/dev/kmem", 0)) < 0) {
|
|
fprintf(stderr, "rstat: can't open kmem\n");
|
|
exit(1);
|
|
}
|
|
|
|
off = nl[X_IFNET].n_value;
|
|
if (lseek(kmem, (long)off, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&firstifnet, sizeof(int)) != sizeof (int)) {
|
|
fprintf(stderr, "rstat: can't read firstifnet from kmem\n");
|
|
exit(1);
|
|
}
|
|
numintfs = 0;
|
|
for (off = firstifnet; off;) {
|
|
if (lseek(kmem, (long)off, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)&ifnet, sizeof ifnet) != sizeof ifnet) {
|
|
fprintf(stderr, "rstat: can't read ifnet from kmem\n");
|
|
exit(1);
|
|
}
|
|
numintfs++;
|
|
off = (int) ifnet.if_next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* returns true if have a disk
|
|
*/
|
|
static
|
|
havedisk()
|
|
{
|
|
int i, cnt;
|
|
long xfer[DK_NDRIVE];
|
|
|
|
nlist("/vmunix", nl);
|
|
if (nl[X_DKXFER].n_value == 0) {
|
|
fprintf(stderr, "rstat: Variables missing from namelist\n");
|
|
exit (1);
|
|
}
|
|
if ((kmem = open("/dev/kmem", 0)) < 0) {
|
|
fprintf(stderr, "rstat: can't open kmem\n");
|
|
exit(1);
|
|
}
|
|
if (lseek(kmem, (long)nl[X_DKXFER].n_value, 0) == -1) {
|
|
fprintf(stderr, "rstat: can't seek in kmem\n");
|
|
exit(1);
|
|
}
|
|
if (read(kmem, (char *)xfer, sizeof xfer)!= sizeof xfer) {
|
|
fprintf(stderr, "rstat: can't read kmem\n");
|
|
exit(1);
|
|
}
|
|
cnt = 0;
|
|
for (i=0; i < DK_NDRIVE; i++)
|
|
cnt += xfer[i];
|
|
return (cnt != 0);
|
|
}
|