diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /usr.bin/rup/rup.c |
initial import of NetBSD tree
Diffstat (limited to 'usr.bin/rup/rup.c')
-rw-r--r-- | usr.bin/rup/rup.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/usr.bin/rup/rup.c b/usr.bin/rup/rup.c new file mode 100644 index 00000000000..7ec41913deb --- /dev/null +++ b/usr.bin/rup/rup.c @@ -0,0 +1,332 @@ +/*- + * 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 1995/10/18 08:46:03 deraadt 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; + static struct timeval timeout = {25, 0}; + + 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, timeout) != 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); +} |