rup.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <stdlib.h>
#include <netdb.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <rpc/rpc.h>
#include <netdir.h>
#include <rpcsvc/rstat.h>
#include <rpc/pmap_clnt.h>
#define MACHINELEN 15 /* length of machine name printed out */
#define MACHINELENMAX 128 /* maximum machine name length */
#define AVENSIZE (3 * sizeof (long))
#define SLOTS 256
int machinecmp();
int loadcmp();
int uptimecmp();
int collectnames();
int singlehost(); /* returns 1 if rup of given host fails */
void printsinglehosts();
void printnames();
struct entry {
struct netconfig *nconf;
struct netbuf *addr;
char *machine;
struct timeval boottime;
time_t curtime;
long avenrun[3];
};
int total_entries;
int curentry;
struct entry *entry;
int vers; /* which version did the broadcasting */
int lflag; /* load: sort by load average */
int tflag; /* time: sort by uptime average */
int hflag; /* host: sort by machine name */
int dflag; /* debug: list only first n machines */
int debug;
main(argc, argv)
char **argv;
{
statsvar sv;
statstime st;
int single, nfailed;
enum clnt_stat bstat;
/*
* set number of slots to be 256 to begin with,
* this is large enough for most subnets but not all
*/
curentry = 0;
total_entries = SLOTS;
entry = malloc(sizeof (struct entry) * total_entries);
single = nfailed = 0;
while (argc > 1) {
if (argv[1][0] != '-') {
single++;
nfailed += singlehost(argv[1]);
} else {
switch (argv[1][1]) {
case 'l':
lflag++;
break;
case 't':
tflag++;
break;
case 'h':
hflag++;
break;
case 'd':
dflag++;
if (argc < 3)
usage();
debug = atoi(argv[2]);
argc--;
argv++;
break;
default:
usage();
}
}
argv++;
argc--;
}
if (single > 0) {
if (hflag || tflag || lflag)
printsinglehosts();
if (nfailed == single) {
free(entry);
exit(1); /* all hosts we tried failed */
} else {
free(entry);
exit(0);
}
}
if (hflag || tflag || lflag) {
printf("collecting responses... ");
fflush(stdout);
}
sv.cp_time.cp_time_val = (int *)NULL;
sv.dk_xfer.dk_xfer_val = (int *)NULL;
/*
* Null out pointers in the statsvar struct
* so that we don't follow a random pointer
* somewhere when we get our results back.
* Set lengths to zero so we don't allocate
* some random amount of space we don't need
* (in the case where the reply was program
* not registered).
*/
sv.cp_time.cp_time_len = 0;
sv.cp_time.cp_time_val = (int *)NULL;
sv.dk_xfer.dk_xfer_len = 0;
sv.dk_xfer.dk_xfer_val = (int *)NULL;
vers = RSTATVERS_VAR;
bstat = rpc_broadcast(RSTATPROG, RSTATVERS_VAR, RSTATPROC_STATS,
xdr_void, NULL, xdr_statsvar, (caddr_t)&sv,
(resultproc_t)collectnames, (char *)0);
#ifdef TESTING
if (bstat != RPC_SUCCESS)
printf("rpc_broadcast for rstat version %d returned %s\n",
vers, clnt_sperrno(bstat));
fprintf(stderr, "starting second round of broadcasting\n");
#endif
vers = RSTATVERS_TIME;
bstat = rpc_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
xdr_void, NULL, xdr_statstime, (caddr_t)&st,
(resultproc_t)collectnames, (char *)0);
#ifdef TESTING
if (bstat != RPC_SUCCESS)
printf("rpc_broadcast for rstat version %d returned %s\n",
vers, clnt_sperrno(bstat));
#endif
if (hflag || tflag || lflag)
printnames();
free(entry);
exit(0);
/* NOTREACHED */
}
int
singlehost(host)
char *host;
{
static int debugcnt;
enum clnt_stat err;
statstime st;
statsvar sw_var;
bool_t is_var_vers = FALSE;
if (curentry >= total_entries) {
struct entry *tmp;
total_entries += SLOTS;
tmp = realloc((struct entry *)entry, sizeof (struct entry)
* total_entries);
if (tmp == NULL) {
return (1);
}
entry = tmp;
}
sw_var.cp_time.cp_time_val = (int *)NULL;
sw_var.dk_xfer.dk_xfer_val = (int *)NULL;
err = (enum clnt_stat)callrpc(host, RSTATPROG, RSTATVERS_VAR,
RSTATPROC_STATS, xdr_void, 0, xdr_statsvar, &sw_var);
if (err == RPC_SUCCESS) {
is_var_vers = TRUE;
} else if (err == RPC_PROGVERSMISMATCH) {
err = (enum clnt_stat)callrpc(host, RSTATPROG, RSTATVERS_TIME,
RSTATPROC_STATS, xdr_void, 0, xdr_statstime, &st);
if (err != RPC_SUCCESS)
goto error;
} else
goto error;
debugcnt++;
if (!hflag && !lflag && !tflag) {
printf("%*.*s ", MACHINELEN, MACHINELEN, host);
if (is_var_vers == TRUE)
putline(sw_var.curtime.tv_sec, sw_var.boottime,
sw_var.avenrun);
else
putline(st.curtime.tv_sec, st.boottime, st.avenrun);
return (0); /* success */
} else {
entry[curentry].machine = host;
if (is_var_vers == FALSE) { /* RSTATVERS_TIME */
entry[curentry].boottime.tv_sec = st.boottime.tv_sec;
entry[curentry].boottime.tv_usec =
st.boottime.tv_usec;
entry[curentry].curtime = st.curtime.tv_sec;
memcpy(entry[curentry].avenrun, st.avenrun, AVENSIZE);
} else { /* RSTATVERS_VAR */
entry[curentry].boottime.tv_sec =
sw_var.boottime.tv_sec;
entry[curentry].boottime.tv_usec =
sw_var.boottime.tv_usec;
entry[curentry].curtime = sw_var.curtime.tv_sec;
memcpy(entry[curentry].avenrun, sw_var.avenrun,
AVENSIZE);
}
}
curentry++;
if (dflag && debugcnt >= debug)
return (1);
return (0);
error:
fprintf(stderr, "%*.*s: ", MACHINELEN, MACHINELEN, host);
clnt_perrno(err);
/*
* clnt_perrno now prints a newline
*/
/* fprintf(stderr, "\n"); */
return (1); /* a failure */
}
putline(now, boottime, avenrun)
time_t now;
struct timeval boottime;
long avenrun[];
{
int uptime, days, hrs, mins, i;
uptime = now - boottime.tv_sec;
uptime += 30;
if (uptime < 0) /* unsynchronized clocks */
uptime = 0;
days = uptime / (60*60*24);
uptime %= (60*60*24);
hrs = uptime / (60*60);
uptime %= (60*60);
mins = uptime / 60;
printf(" up");
if (days > 0)
printf(" %2d day%s", days, days > 1 ? "s," : ", ");
else
printf(" ");
if (hrs > 0)
printf(" %2d:%02d, ", hrs, mins);
else
printf(" %2d min%s", mins, mins > 1 ? "s," : ", ");
/*
* Print 1, 5, and 15 minute load averages.
* (Found by looking in kernel for avenrun).
*/
printf(" load average:");
for (i = 0; i < (AVENSIZE / sizeof (avenrun[0])); i++) {
if (i > 0)
printf(",");
printf(" %.2f", (double)avenrun[i]/FSCALE);
}
printf("\n");
}
collectnames(resultsp, taddr, nconf)
char *resultsp;
struct t_bind *taddr;
struct netconfig *nconf;
{
static int debugcnt;
register struct entry *entryp, *lim;
statstime *st;
statsvar *sv;
struct nd_hostservlist *hs;
extern struct netbuf *netbufdup();
extern struct netconfig *netconfigdup();
extern int netbufeq();
/*
* need to realloc more space if we have more than 256 machines
* that responded to the broadcast
*/
if (curentry >= total_entries) {
struct entry *tmp;
total_entries += SLOTS;
tmp = realloc((struct entry *)entry, sizeof (struct entry)
* total_entries);
if (tmp == NULL) {
return (1);
}
entry = tmp;
}
/*
* weed out duplicates
*/
lim = entry + curentry;
for (entryp = entry; entryp < lim; entryp++)
if (netbufeq(&taddr->addr, entryp->addr))
return (0);
if (vers == RSTATVERS_TIME) {
st = (statstime *)resultsp;
} else if (vers == RSTATVERS_VAR) {
sv = (statsvar *)resultsp;
} else {
return (0); /* we don't handle this version */
}
debugcnt++;
entry[curentry].nconf = netconfigdup(nconf);
entry[curentry].addr = netbufdup(&taddr->addr);
/*
* if raw, print this entry out immediately
* otherwise store for later sorting
*/
if (!hflag && !lflag && !tflag) {
if (netdir_getbyaddr(nconf, &hs, &taddr->addr) == ND_OK)
printf("%*.*s ", MACHINELEN, MACHINELEN,
hs->h_hostservs->h_host);
else {
char *uaddr = taddr2uaddr(nconf, &taddr->addr);
if (uaddr) {
printf(" %*.*s", MACHINELEN, MACHINELEN,
uaddr);
(void) free(uaddr);
} else
printf(" %*.*s", MACHINELEN, MACHINELEN,
"unknown");
}
if (vers == RSTATVERS_TIME) {
putline(st->curtime.tv_sec, st->boottime, st->avenrun);
} else if (vers == RSTATVERS_VAR) {
putline(sv->curtime.tv_sec, sv->boottime, sv->avenrun);
}
} else {
if (vers == RSTATVERS_TIME) {
entry[curentry].boottime.tv_sec = st->boottime.tv_sec;
entry[curentry].boottime.tv_usec =
st->boottime.tv_usec;
entry[curentry].curtime = st->curtime.tv_sec;
memcpy(entry[curentry].avenrun, st->avenrun, AVENSIZE);
} else if (vers == RSTATVERS_VAR) {
entry[curentry].boottime.tv_sec = sv->boottime.tv_sec;
entry[curentry].boottime.tv_usec =
sv->boottime.tv_usec;
entry[curentry].curtime = sv->curtime.tv_sec;
memcpy(entry[curentry].avenrun, sv->avenrun, AVENSIZE);
}
}
curentry++;
if (dflag && debugcnt >= debug)
return (1);
return (0);
}
void
printsinglehosts()
{
register int i;
register struct entry *ep;
if (hflag)
qsort(entry, curentry, sizeof (struct entry), machinecmp);
else if (lflag)
qsort(entry, curentry, sizeof (struct entry), loadcmp);
else
qsort(entry, curentry, sizeof (struct entry), uptimecmp);
for (i = 0; i < curentry; i++) {
ep = &entry[i];
printf("%*.*s ", MACHINELEN, MACHINELEN, ep->machine);
putline(ep->curtime, ep->boottime, ep->avenrun);
}
}
void
printnames()
{
char buf[MACHINELENMAX+1];
struct nd_hostservlist *hs;
register int i;
register struct entry *ep;
for (i = 0; i < curentry; i++) {
ep = &entry[i];
if (netdir_getbyaddr(ep->nconf, &hs, ep->addr) == ND_OK)
sprintf(buf, "%s", hs->h_hostservs->h_host);
else {
char *uaddr = taddr2uaddr(ep->nconf, ep->addr);
if (uaddr) {
sprintf(buf, "%s", uaddr);
(void) free(uaddr);
} else
sprintf(buf, "%s", "unknown");
}
if (ep->machine = (char *)malloc(MACHINELENMAX + 1))
strcpy(ep->machine, buf);
}
printf("\n");
printsinglehosts();
}
machinecmp(a, b)
struct entry *a, *b;
{
return (strcmp(a->machine, b->machine));
}
uptimecmp(a, b)
struct entry *a, *b;
{
if (a->boottime.tv_sec != b->boottime.tv_sec)
return (a->boottime.tv_sec - b->boottime.tv_sec);
else
return (a->boottime.tv_usec - b->boottime.tv_usec);
}
loadcmp(a, b)
struct entry *a, *b;
{
register int i;
for (i = 0; i < AVENSIZE / sizeof (a->avenrun[0]); i++)
if (a->avenrun[i] != b->avenrun[i])
return (a->avenrun[i] - b->avenrun[i]);
return (0);
}
struct netbuf *
netbufdup(ap)
register struct netbuf *ap;
{
register struct netbuf *np;
np = (struct netbuf *) malloc(sizeof (struct netbuf) + ap->len);
if (np) {
np->maxlen = np->len = ap->len;
np->buf = ((char *)np) + sizeof (struct netbuf);
(void) memcpy(np->buf, ap->buf, ap->len);
}
return (np);
}
struct netconfig *
netconfigdup(onp)
register struct netconfig *onp;
{
register int nlookupdirs;
register struct netconfig *nnp;
extern char *strdup();
nnp = (struct netconfig *)malloc(sizeof (struct netconfig));
if (nnp) {
nnp->nc_netid = strdup(onp->nc_netid);
nnp->nc_semantics = onp->nc_semantics;
nnp->nc_flag = onp->nc_flag;
nnp->nc_protofmly = strdup(onp->nc_protofmly);
nnp->nc_proto = strdup(onp->nc_proto);
nnp->nc_device = strdup(onp->nc_device);
nnp->nc_nlookups = onp->nc_nlookups;
if (onp->nc_nlookups == 0)
nnp->nc_lookups = (char **)0;
else {
register int i;
nnp->nc_lookups = (char **)malloc(onp->nc_nlookups *
sizeof (char *));
if (nnp->nc_lookups)
for (i = 0; i < onp->nc_nlookups; i++)
nnp->nc_lookups[i] =
strdup(onp->nc_lookups[i]);
}
}
return (nnp);
}
netbufeq(ap, bp)
register struct netbuf *ap, *bp;
{
return (ap->len == bp->len && !memcmp(ap->buf, bp->buf, ap->len));
}
usage()
{
fprintf(stderr, "Usage: rup [-h] [-l] [-t] [host ...]\n");
free(entry);
exit(1);
}