/*- * 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 1.1.1.1 1994/08/28 15:01:31 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); }