424 lines
10 KiB
C
424 lines
10 KiB
C
/*
|
|
* 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
|
|
*/
|
|
#ifndef lint
|
|
/*static char sccsid[] = "from: @(#)rpc.rstatd.c 1.1 86/09/25 Copyr 1984 Sun Micro";*/
|
|
/*static char sccsid[] = "from: @(#)rstat_proc.c 2.2 88/08/01 4.0 RPCSRC";*/
|
|
static char rcsid[] = "$Id: rstat_proc.c,v 1.7 1994/04/15 03:21:24 cgd Exp $";
|
|
#endif
|
|
|
|
/*
|
|
* rstat service: built with rstat.x and derived from rpc.rstatd.c
|
|
*
|
|
* Copyright (c) 1984 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <rpc/rpc.h>
|
|
#include <sys/socket.h>
|
|
#include <nlist.h>
|
|
#include <syslog.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/param.h>
|
|
#ifdef BSD
|
|
#include <sys/vmmeter.h>
|
|
#include <sys/dkstat.h>
|
|
#else
|
|
#include <sys/dk.h>
|
|
#endif
|
|
#include <net/if.h>
|
|
|
|
#undef FSHIFT /* Use protocol's shift and scale values */
|
|
#undef FSCALE
|
|
#undef DK_NDRIVE
|
|
#include <rpcsvc/rstat.h>
|
|
|
|
struct nlist nl[] = {
|
|
#define X_CPTIME 0
|
|
{ "_cp_time" },
|
|
#define X_CNT 1
|
|
{ "_cnt" },
|
|
#define X_IFNET 2
|
|
{ "_ifnet" },
|
|
#define X_DKXFER 3
|
|
{ "_dk_xfer" },
|
|
#define X_BOOTTIME 4
|
|
{ "_boottime" },
|
|
#define X_HZ 5
|
|
{ "_hz" },
|
|
#ifdef vax
|
|
#define X_AVENRUN 6
|
|
{ "_avenrun" },
|
|
#endif
|
|
"",
|
|
};
|
|
int firstifnet, numintfs; /* chain of ethernet interfaces */
|
|
int stats_service();
|
|
|
|
extern int from_inetd;
|
|
int sincelastreq = 0; /* number of alarms since last request */
|
|
extern int closedown;
|
|
|
|
union {
|
|
struct stats s1;
|
|
struct statsswtch s2;
|
|
struct statstime s3;
|
|
} stats_all;
|
|
|
|
void updatestat();
|
|
static stat_is_init = 0;
|
|
extern int errno;
|
|
|
|
#ifndef FSCALE
|
|
#define FSCALE (1 << 8)
|
|
#endif
|
|
|
|
#ifndef BSD
|
|
/*
|
|
* BSD has the kvm facility for getting info from the
|
|
* kernel. If you aren't on BSD, this surfices.
|
|
*/
|
|
int kmem;
|
|
|
|
kvm_read(off, addr, size)
|
|
unsigned long off, size;
|
|
char *addr;
|
|
{
|
|
int len;
|
|
if (lseek(kmem, off, 0) == -1)
|
|
return(-1);
|
|
return(read(kmem, addr, size));
|
|
}
|
|
|
|
kvm_nlist(nl)
|
|
struct nlist *nl;
|
|
{
|
|
int n = nlist("/vmunix", nl);
|
|
if (nl[0].n_value == 0)
|
|
return(n);
|
|
|
|
if ((kmem = open("/dev/kmem", 0)) < 0)
|
|
return(-1);
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
stat_init()
|
|
{
|
|
stat_is_init = 1;
|
|
setup();
|
|
updatestat();
|
|
(void) signal(SIGALRM, updatestat);
|
|
alarm(1);
|
|
}
|
|
|
|
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());
|
|
}
|
|
|
|
void
|
|
updatestat()
|
|
{
|
|
int off, i, hz;
|
|
struct vmmeter cnt;
|
|
struct ifnet ifnet;
|
|
double avrun[3];
|
|
struct timeval tm, btm;
|
|
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "entering updatestat\n");
|
|
#endif
|
|
if (sincelastreq >= closedown) {
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "about to closedown\n");
|
|
#endif
|
|
if (from_inetd)
|
|
exit(0);
|
|
else {
|
|
stat_is_init = 0;
|
|
return;
|
|
}
|
|
}
|
|
sincelastreq++;
|
|
|
|
if (kvm_read((long)nl[X_HZ].n_value, (char *)&hz, sizeof hz) != sizeof hz) {
|
|
syslog(LOG_ERR, "rstat: can't read hz from kmem\n");
|
|
exit(1);
|
|
}
|
|
if (kvm_read((long)nl[X_CPTIME].n_value, (char *)stats_all.s1.cp_time, sizeof (stats_all.s1.cp_time))
|
|
!= sizeof (stats_all.s1.cp_time)) {
|
|
syslog(LOG_ERR, "rstat: can't read cp_time from kmem\n");
|
|
exit(1);
|
|
}
|
|
#ifdef vax
|
|
if (kvm_read((long)nl[X_AVENRUN].n_value, (char *)avrun, sizeof (avrun)) != sizeof (avrun)) {
|
|
syslog(LOG_ERR, "rstat: can't read avenrun from kmem\n");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
#ifdef BSD
|
|
(void)getloadavg(avrun, sizeof(avrun) / sizeof(avrun[0]));
|
|
#endif
|
|
stats_all.s2.avenrun[0] = avrun[0] * FSCALE;
|
|
stats_all.s2.avenrun[1] = avrun[1] * FSCALE;
|
|
stats_all.s2.avenrun[2] = avrun[2] * FSCALE;
|
|
if (kvm_read((long)nl[X_BOOTTIME].n_value, (char *)&btm, sizeof (stats_all.s2.boottime))
|
|
!= sizeof (stats_all.s2.boottime)) {
|
|
syslog(LOG_ERR, "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 (kvm_read((long)nl[X_CNT].n_value, (char *)&cnt, sizeof cnt) != sizeof cnt) {
|
|
syslog(LOG_ERR, "rstat: can't read cnt from kmem\n");
|
|
exit(1);
|
|
}
|
|
stats_all.s1.v_pgpgin = cnt.v_pgpgin;
|
|
stats_all.s1.v_pgpgout = cnt.v_pgpgout;
|
|
stats_all.s1.v_pswpin = cnt.v_pswpin;
|
|
stats_all.s1.v_pswpout = cnt.v_pswpout;
|
|
stats_all.s1.v_intr = cnt.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 = cnt.v_swtch;
|
|
|
|
if (kvm_read((long)nl[X_DKXFER].n_value, (char *)stats_all.s1.dk_xfer, sizeof (stats_all.s1.dk_xfer))
|
|
!= sizeof (stats_all.s1.dk_xfer)) {
|
|
syslog(LOG_ERR, "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 (kvm_read(off, (char *)&ifnet, sizeof ifnet) != sizeof ifnet) {
|
|
syslog(LOG_ERR, "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);
|
|
}
|
|
|
|
setup()
|
|
{
|
|
struct ifnet ifnet;
|
|
int off;
|
|
|
|
if (kvm_nlist(nl) != 0) {
|
|
syslog(LOG_ERR, "rstatd: Can't get namelist.");
|
|
exit (1);
|
|
}
|
|
|
|
if (kvm_read((long)nl[X_IFNET].n_value, &firstifnet,
|
|
sizeof(int)) != sizeof(int)) {
|
|
syslog(LOG_ERR, "rstat: can't read firstifnet from kmem\n");
|
|
exit(1);
|
|
}
|
|
|
|
numintfs = 0;
|
|
for (off = firstifnet; off;) {
|
|
if (kvm_read(off, (char *)&ifnet, sizeof ifnet) != sizeof ifnet) {
|
|
syslog(LOG_ERR, "rstat: can't read ifnet from kmem\n");
|
|
exit(1);
|
|
}
|
|
numintfs++;
|
|
off = (int) ifnet.if_next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* returns true if have a disk
|
|
*/
|
|
havedisk()
|
|
{
|
|
int i, cnt;
|
|
long xfer[DK_NDRIVE];
|
|
|
|
if (kvm_nlist(nl) != 0) {
|
|
syslog(LOG_ERR, "rstatd: Can't get namelist.");
|
|
exit (1);
|
|
}
|
|
|
|
if (kvm_read((long)nl[X_DKXFER].n_value, (char *)xfer, sizeof xfer)!= sizeof xfer) {
|
|
syslog(LOG_ERR, "rstat: can't read kmem\n");
|
|
exit(1);
|
|
}
|
|
cnt = 0;
|
|
for (i=0; i < DK_NDRIVE; i++)
|
|
cnt += xfer[i];
|
|
return (cnt != 0);
|
|
}
|
|
|
|
void
|
|
rstat_service(rqstp, transp)
|
|
struct svc_req *rqstp;
|
|
SVCXPRT *transp;
|
|
{
|
|
union {
|
|
int fill;
|
|
} argument;
|
|
char *result;
|
|
bool_t (*xdr_argument)(), (*xdr_result)();
|
|
char *(*local)();
|
|
|
|
switch (rqstp->rq_proc) {
|
|
case NULLPROC:
|
|
(void)svc_sendreply(transp, xdr_void, (char *)NULL);
|
|
goto leave;
|
|
|
|
case RSTATPROC_STATS:
|
|
xdr_argument = xdr_void;
|
|
xdr_result = xdr_statstime;
|
|
switch (rqstp->rq_vers) {
|
|
case RSTATVERS_ORIG:
|
|
local = (char *(*)()) rstatproc_stats_1;
|
|
break;
|
|
case RSTATVERS_SWTCH:
|
|
local = (char *(*)()) rstatproc_stats_2;
|
|
break;
|
|
case RSTATVERS_TIME:
|
|
local = (char *(*)()) rstatproc_stats_3;
|
|
break;
|
|
default:
|
|
svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
|
|
goto leave;
|
|
/*NOTREACHED*/
|
|
}
|
|
break;
|
|
|
|
case RSTATPROC_HAVEDISK:
|
|
xdr_argument = xdr_void;
|
|
xdr_result = xdr_u_int;
|
|
switch (rqstp->rq_vers) {
|
|
case RSTATVERS_ORIG:
|
|
local = (char *(*)()) rstatproc_havedisk_1;
|
|
break;
|
|
case RSTATVERS_SWTCH:
|
|
local = (char *(*)()) rstatproc_havedisk_2;
|
|
break;
|
|
case RSTATVERS_TIME:
|
|
local = (char *(*)()) rstatproc_havedisk_3;
|
|
break;
|
|
default:
|
|
svcerr_progvers(transp, RSTATVERS_ORIG, RSTATVERS_TIME);
|
|
goto leave;
|
|
/*NOTREACHED*/
|
|
}
|
|
break;
|
|
|
|
default:
|
|
svcerr_noproc(transp);
|
|
goto leave;
|
|
}
|
|
bzero((char *)&argument, sizeof(argument));
|
|
if (!svc_getargs(transp, xdr_argument, &argument)) {
|
|
svcerr_decode(transp);
|
|
goto leave;
|
|
}
|
|
result = (*local)(&argument, rqstp);
|
|
if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
|
|
svcerr_systemerr(transp);
|
|
}
|
|
if (!svc_freeargs(transp, xdr_argument, &argument)) {
|
|
(void)fprintf(stderr, "unable to free arguments\n");
|
|
exit(1);
|
|
}
|
|
leave:
|
|
if (from_inetd)
|
|
exit(0);
|
|
}
|