diff options
| author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
|---|---|---|
| committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
| commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
| tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/cmd/rpcsvc/rup.c | |
| download | illumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz | |
OpenSolaris Launch
Diffstat (limited to 'usr/src/cmd/rpcsvc/rup.c')
| -rw-r--r-- | usr/src/cmd/rpcsvc/rup.c | 537 |
1 files changed, 537 insertions, 0 deletions
diff --git a/usr/src/cmd/rpcsvc/rup.c b/usr/src/cmd/rpcsvc/rup.c new file mode 100644 index 0000000000..56934c9a5a --- /dev/null +++ b/usr/src/cmd/rpcsvc/rup.c @@ -0,0 +1,537 @@ +/* + * 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); +} |
