From 0b4a0ad53e9c41e9ceb22e8f263abb671c0de775 Mon Sep 17 00:00:00 2001 From: csgr Date: Sun, 28 Aug 1994 15:01:31 +0000 Subject: rup from FreeBSD 1.1.5.1 Reviewed by: Geoff Submitted by: John Brezak --- usr.bin/rup/rup.c | 227 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 usr.bin/rup/rup.c (limited to 'usr.bin/rup/rup.c') diff --git a/usr.bin/rup/rup.c b/usr.bin/rup/rup.c new file mode 100644 index 0000000..0ae1be1 --- /dev/null +++ b/usr.bin/rup/rup.c @@ -0,0 +1,227 @@ +/*- + * 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 1.3 1994/04/10 10:42:28 csgr Exp $"; +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#undef FSHIFT /* Use protocol's shift and scale values */ +#undef FSCALE +#include + +#define HOST_WIDTH 15 + +char *argv0; + +struct host_list { + struct host_list *next; + struct in_addr addr; +} *hosts; + +int search_host(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(struct in_addr addr) +{ + struct host_list *hp; + + if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) { + fprintf(stderr, "%s: no memory.\n", argv0); + exit(1); + } + hp->addr.s_addr = addr.s_addr; + hp->next = hosts; + hosts = hp; +} + +rstat_reply(char *replyp, struct sockaddr_in *raddrp) +{ + struct tm *tmp_time; + struct tm host_time; + struct tm host_uptime; + char days_buf[16]; + char hours_buf[16]; + struct hostent *hp; + char *host; + statstime *host_stat = (statstime *)replyp; + + if (search_host(raddrp->sin_addr)) + return(0); + + 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); + + /* truncate hostname to fit nicely into field */ + if (strlen(host) > HOST_WIDTH) + host[HOST_WIDTH] = '\0'; + + printf("%-*s\t", 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'; + + printf(" %2d:%02d%cm up %9.9s%9.9s load average: %.2f %.2f %.2f\n", + host_time.tm_hour % 12, + host_time.tm_min, + (host_time.tm_hour >= 12) ? 'p' : 'a', + days_buf, + hours_buf, + (double)host_stat->avenrun[0]/FSCALE, + (double)host_stat->avenrun[1]/FSCALE, + (double)host_stat->avenrun[2]/FSCALE); + + remember_host(raddrp->sin_addr); + return(0); +} + +onehost(char *host) +{ + CLIENT *rstat_clnt; + statstime host_stat; + struct sockaddr_in addr; + struct hostent *hp; + + hp = gethostbyname(host); + if (hp == NULL) { + fprintf(stderr, "%s: unknown host \"%s\"\n", + argv0, host); + return(-1); + } + + rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp"); + if (rstat_clnt == NULL) { + fprintf(stderr, "%s: %s %s", argv0, host, clnt_spcreateerror("")); + return(-1); + } + + bzero((char *)&host_stat, sizeof(host_stat)); + if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, xdr_statstime, &host_stat, NULL) != RPC_SUCCESS) { + fprintf(stderr, "%s: %s: %s\n", argv0, host, clnt_sperror(rstat_clnt, host)); + return(-1); + } + + addr.sin_addr.s_addr = *(int *)hp->h_addr; + rstat_reply((char *)&host_stat, &addr); +} + +allhosts() +{ + statstime host_stat; + enum clnt_stat clnt_stat; + + 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) { + fprintf(stderr, "%s: %s\n", argv0, clnt_sperrno(clnt_stat)); + exit(1); + } +} + +usage() +{ + fprintf(stderr, "Usage: %s [hosts ...]\n", argv0); + exit(1); +} + +main(int argc, char *argv[]) +{ + int ch; + extern int optind; + + if (!(argv0 = rindex(argv[0], '/'))) + argv0 = argv[0]; + else + argv0++; + + while ((ch = getopt(argc, argv, "?")) != -1) + switch (ch) { + default: + usage(); + /*NOTREACHED*/ + } + + setlinebuf(stdout); + if (argc == optind) + allhosts(); + else { + for (; optind < argc; optind++) + (void) onehost(argv[optind]); + } + exit(0); +} -- cgit v1.1