/*- * 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. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #undef FSHIFT /* Use protocol's shift and scale values */ #undef FSCALE #include #include #include #include #include #include #include #include #include #define HOST_WIDTH 15 struct host_list { struct host_list *next; struct in_addr addr; } *hosts; static 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); } static void remember_host(struct in_addr addr) { struct host_list *hp; if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) errx(1, "no memory"); hp->addr.s_addr = addr.s_addr; hp->next = hosts; hosts = hp; } static bool_t rstat_reply(caddr_t 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; time_t tmp_time_t; 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); if (sizeof(time_t) == sizeof(host_stat->curtime.tv_sec)) { 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; } else { /* non-32-bit time_t */ tmp_time_t = host_stat->curtime.tv_sec; tmp_time = localtime(&tmp_time_t); host_time = *tmp_time; host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec; tmp_time_t = host_stat->curtime.tv_sec; tmp_time = gmtime(&tmp_time_t); host_uptime = *tmp_time; } #define updays (host_stat->curtime.tv_sec / 86400) if (host_uptime.tm_yday != 0) sprintf(days_buf, "%3d day%s, ", updays, (updays > 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 if (host_stat->curtime.tv_sec < 60) sprintf(hours_buf, "%2d secs, ", host_uptime.tm_sec); 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_hour % 12 : 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); } static int onehost(char *host) { CLIENT *rstat_clnt; statstime host_stat; struct sockaddr_in addr; struct hostent *hp; struct timeval tv; hp = gethostbyname(host); if (hp == NULL) { warnx("unknown host \"%s\"", host); return(-1); } rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp"); if (rstat_clnt == NULL) { warnx("%s %s", host, clnt_spcreateerror("")); return(-1); } bzero((char *)&host_stat, sizeof(host_stat)); tv.tv_sec = 15; /* XXX ??? */ tv.tv_usec = 0; if (clnt_call(rstat_clnt, RSTATPROC_STATS, (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_statstime, &host_stat, tv) != RPC_SUCCESS) { warnx("%s: %s", host, clnt_sperror(rstat_clnt, host)); clnt_destroy(rstat_clnt); return(-1); } addr.sin_addr.s_addr = *(int *)hp->h_addr; rstat_reply((caddr_t)&host_stat, &addr); clnt_destroy(rstat_clnt); return (0); } static void allhosts(void) { statstime host_stat; enum clnt_stat clnt_stat; clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS, (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_statstime, &host_stat, (resultproc_t)rstat_reply); if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) errx(1, "%s", clnt_sperrno(clnt_stat)); } static void usage(void) { fprintf(stderr, "usage: rup [host ...]\n"); exit(1); } int main(int argc, char *argv[]) { int ch; 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); }