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- /*-
- * Copyright (c) 1993, John Brezak
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char rcsid[] = "$Id: rup.c,v 1.9 1993/12/09 23:58:04 jtc Exp $";
- #endif /* not lint */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
- #include <sys/param.h>
- #include <sys/socket.h>
- #include <netdb.h>
- #include <rpc/rpc.h>
- #include <arpa/inet.h>
- #include <err.h>
-
- #undef FSHIFT /* Use protocol's shift and scale values */
- #undef FSCALE
- #include <rpcsvc/rstat.h>
-
- #define HOST_WIDTH 24
-
- int printtime; /* print the remote host(s)'s time */
-
- struct host_list {
- struct host_list *next;
- struct in_addr addr;
- } *hosts;
-
- int
- search_host(addr)
- struct in_addr addr;
- {
- struct host_list *hp;
-
- if (!hosts)
- return(0);
-
- for (hp = hosts; hp != NULL; hp = hp->next) {
- if (hp->addr.s_addr == addr.s_addr)
- return(1);
- }
- return(0);
- }
-
- void
- remember_host(addr)
- struct in_addr addr;
- {
- struct host_list *hp;
-
- if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) {
- err(1, NULL);
- /* NOTREACHED */
- }
- hp->addr.s_addr = addr.s_addr;
- hp->next = hosts;
- hosts = hp;
- }
-
-
-
- struct rup_data {
- char *host;
- struct statstime statstime;
- };
- struct rup_data *rup_data;
- int rup_data_idx = 0;
- int rup_data_max = 0;
-
- enum sort_type {
- SORT_NONE,
- SORT_HOST,
- SORT_LDAV,
- SORT_UPTIME
- };
- enum sort_type sort_type;
-
- compare(d1, d2)
- struct rup_data *d1;
- struct rup_data *d2;
- {
- switch(sort_type) {
- case SORT_HOST:
- return strcmp(d1->host, d2->host);
- case SORT_LDAV:
- return d1->statstime.avenrun[0]
- - d2->statstime.avenrun[0];
- case SORT_UPTIME:
- return d1->statstime.boottime.tv_sec
- - d2->statstime.boottime.tv_sec;
- default:
- /* something's really wrong here */
- abort();
- }
- }
-
- void
- remember_rup_data(host, st)
- char *host;
- struct statstime *st;
- {
- if (rup_data_idx >= rup_data_max) {
- rup_data_max += 16;
- rup_data = realloc (rup_data,
- rup_data_max * sizeof(struct rup_data));
- if (rup_data == NULL) {
- err (1, NULL);
- /* NOTREACHED */
- }
- }
-
- rup_data[rup_data_idx].host = strdup(host);
- rup_data[rup_data_idx].statstime = *st;
- rup_data_idx++;
- }
-
-
- int
- rstat_reply(replyp, raddrp)
- char *replyp;
- struct sockaddr_in *raddrp;
- {
- struct hostent *hp;
- char *host;
- statstime *host_stat = (statstime *)replyp;
-
- if (!search_host(raddrp->sin_addr)) {
- hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
- sizeof(struct in_addr), AF_INET);
-
- if (hp)
- host = hp->h_name;
- else
- host = inet_ntoa(raddrp->sin_addr);
-
- remember_host(raddrp->sin_addr);
-
- if (sort_type != SORT_NONE) {
- remember_rup_data(host, host_stat);
- } else {
- print_rup_data(host, host_stat);
- }
- }
-
- return (0);
- }
-
-
- int
- print_rup_data(host, host_stat)
- char *host;
- statstime *host_stat;
- {
- struct tm *tmp_time;
- struct tm host_time;
- struct tm host_uptime;
- char days_buf[16];
- char hours_buf[16];
-
- printf("%-*.*s", HOST_WIDTH, HOST_WIDTH, host);
-
- 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';
-
- if (printtime)
- printf(" %2d:%02d%cm", host_time.tm_hour % 12,
- host_time.tm_min,
- (host_time.tm_hour >= 12) ? 'p' : 'a');
-
- printf(" up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
- days_buf, hours_buf,
- (double)host_stat->avenrun[0]/FSCALE,
- (double)host_stat->avenrun[1]/FSCALE,
- (double)host_stat->avenrun[2]/FSCALE);
-
- return(0);
- }
-
-
- void
- onehost(host)
- char *host;
- {
- CLIENT *rstat_clnt;
- statstime host_stat;
-
- rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
- if (rstat_clnt == NULL) {
- warnx("%s", clnt_spcreateerror(host));
- return;
- }
-
- bzero((char *)&host_stat, sizeof(host_stat));
- if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, xdr_statstime, &host_stat, NULL) != RPC_SUCCESS) {
- warnx("%s", clnt_sperror(rstat_clnt, host));
- return;
- }
-
- print_rup_data(host, &host_stat);
- clnt_destroy(rstat_clnt);
- }
-
- void
- allhosts()
- {
- statstime host_stat;
- enum clnt_stat clnt_stat;
- size_t i;
-
- if (sort_type != SORT_NONE) {
- printf("collecting responses...");
- fflush(stdout);
- }
-
- clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
- xdr_void, NULL,
- xdr_statstime, &host_stat, rstat_reply);
- if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) {
- warnx("%s", clnt_sperrno(clnt_stat));
- exit(1);
- }
-
- if (sort_type != SORT_NONE) {
- putchar('\n');
- qsort(rup_data, rup_data_idx, sizeof(struct rup_data), compare);
-
- for (i = 0; i < rup_data_idx; i++) {
- print_rup_data(rup_data[i].host, &rup_data[i].statstime);
- }
- }
- }
-
-
- main(argc, argv)
- int argc;
- char *argv[];
- {
- int ch;
- extern int optind;
-
- sort_type = SORT_NONE;
- while ((ch = getopt(argc, argv, "dhlt")) != -1)
- switch (ch) {
- case 'd':
- printtime = 1;
- break;
- case 'h':
- sort_type = SORT_HOST;
- break;
- case 'l':
- sort_type = SORT_LDAV;
- break;
- case 't':
- sort_type = SORT_UPTIME;
- break;
- default:
- usage();
- /*NOTREACHED*/
- }
-
- setlinebuf(stdout);
-
- if (argc == optind)
- allhosts();
- else {
- for (; optind < argc; optind++)
- onehost(argv[optind]);
- }
-
- exit(0);
- }
-
-
- usage()
- {
- fprintf(stderr, "Usage: rup [-dhlt] [hosts ...]\n");
- exit(1);
- }
-