diff options
Diffstat (limited to 'usr.bin/ruptime/ruptime.c')
-rw-r--r-- | usr.bin/ruptime/ruptime.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/usr.bin/ruptime/ruptime.c b/usr.bin/ruptime/ruptime.c deleted file mode 100644 index b9c17a7..0000000 --- a/usr.bin/ruptime/ruptime.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Copyright (c) 1983, 1993, 1994 - * The Regents of the University of California. 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 copyright[] = -"@(#) Copyright (c) 1983, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)ruptime.c 8.2 (Berkeley) 4/5/94"; -#endif /* not lint */ - -#include <sys/param.h> - -#include <protocols/rwhod.h> - -#include <dirent.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <tzfile.h> -#include <unistd.h> - -struct hs { - struct whod *hs_wd; - int hs_nusers; -} *hs; -struct whod awhod; - -#define ISDOWN(h) (now - (h)->hs_wd->wd_recvtime > 11 * 60) -#define WHDRSIZE (sizeof (awhod) - sizeof (awhod.wd_we)) - -size_t nhosts; -time_t now; -int rflg = 1; - -int hscmp __P((const void *, const void *)); -char *interval __P((time_t, char *)); -int lcmp __P((const void *, const void *)); -void morehosts __P((void)); -int tcmp __P((const void *, const void *)); -int ucmp __P((const void *, const void *)); -void usage __P((void)); - -int -main(argc, argv) - int argc; - char **argv; -{ - extern int optind; - struct dirent *dp; - struct hs *hsp; - struct whod *wd; - struct whoent *we; - DIR *dirp; - size_t hspace; - int aflg, cc, ch, fd, i, maxloadav; - char buf[sizeof(struct whod)]; - int (*cmp) __P((const void *, const void *)); - - aflg = 0; - cmp = hscmp; - while ((ch = getopt(argc, argv, "alrut")) != EOF) - switch (ch) { - case 'a': - aflg = 1; - break; - case 'l': - cmp = lcmp; - break; - case 'r': - rflg = -1; - break; - case 't': - cmp = tcmp; - break; - case 'u': - cmp = ucmp; - break; - default: - usage(); - } - argc -= optind; - argv += optind; - - if (argc != 0) - usage(); - - if (chdir(_PATH_RWHODIR) || (dirp = opendir(".")) == NULL) - err(1, "%s", _PATH_RWHODIR); - - maxloadav = -1; - for (nhosts = hspace = 0; (dp = readdir(dirp)) != NULL;) { - if (dp->d_ino == 0 || strncmp(dp->d_name, "whod.", 5)) - continue; - if ((fd = open(dp->d_name, O_RDONLY, 0)) < 0) { - warn("%s", dp->d_name); - continue; - } - cc = read(fd, buf, sizeof(struct whod)); - (void)close(fd); - - if (cc < WHDRSIZE) - continue; - if (nhosts == hspace) { - if ((hs = - realloc(hs, (hspace += 40) * sizeof(*hs))) == NULL) - err(1, NULL); - hsp = hs + nhosts; - } - - if ((hsp->hs_wd = malloc((size_t)WHDRSIZE)) == NULL) - err(1, NULL); - memmove(hsp->hs_wd, buf, (size_t)WHDRSIZE); - - for (wd = (struct whod *)buf, i = 0; i < 2; ++i) - if (wd->wd_loadav[i] > maxloadav) - maxloadav = wd->wd_loadav[i]; - - for (hsp->hs_nusers = 0, - we = (struct whoent *)(buf + cc); --we >= wd->wd_we;) - if (aflg || we->we_idle < 3600) - ++hsp->hs_nusers; - ++hsp; - ++nhosts; - } - if (nhosts == 0) - errx(0, "no hosts in %s.", _PATH_RWHODIR); - - (void)time(&now); - qsort(hs, nhosts, sizeof(hs[0]), cmp); - for (i = 0; i < nhosts; i++) { - hsp = &hs[i]; - if (ISDOWN(hsp)) { - (void)printf("%-12.12s%s\n", hsp->hs_wd->wd_hostname, - interval(now - hsp->hs_wd->wd_recvtime, "down")); - continue; - } - (void)printf( - "%-12.12s%s, %4d user%s load %*.2f, %*.2f, %*.2f\n", - hsp->hs_wd->wd_hostname, - interval((time_t)hsp->hs_wd->wd_sendtime - - (time_t)hsp->hs_wd->wd_boottime, " up"), - hsp->hs_nusers, - hsp->hs_nusers == 1 ? ", " : "s,", - maxloadav >= 1000 ? 5 : 4, - hsp->hs_wd->wd_loadav[0] / 100.0, - maxloadav >= 1000 ? 5 : 4, - hsp->hs_wd->wd_loadav[1] / 100.0, - maxloadav >= 1000 ? 5 : 4, - hsp->hs_wd->wd_loadav[2] / 100.0); - } - exit(0); -} - -char * -interval(tval, updown) - time_t tval; - char *updown; -{ - static char resbuf[32]; - int days, hours, minutes; - - if (tval < 0 || tval > DAYSPERNYEAR * SECSPERDAY) { - (void)snprintf(resbuf, sizeof(resbuf), " %s ??:??", updown); - return (resbuf); - } - /* round to minutes. */ - minutes = (tval + (SECSPERMIN - 1)) / SECSPERMIN; - hours = minutes / MINSPERHOUR; - minutes %= MINSPERHOUR; - days = hours / HOURSPERDAY; - hours %= HOURSPERDAY; - if (days) - (void)snprintf(resbuf, sizeof(resbuf), - "%s %2d+%02d:%02d", updown, days, hours, minutes); - else - (void)snprintf(resbuf, sizeof(resbuf), - "%s %2d:%02d", updown, hours, minutes); - return (resbuf); -} - -#define HS(a) ((struct hs *)(a)) - -/* Alphabetical comparison. */ -int -hscmp(a1, a2) - const void *a1, *a2; -{ - return (rflg * - strcmp(HS(a1)->hs_wd->wd_hostname, HS(a2)->hs_wd->wd_hostname)); -} - -/* Load average comparison. */ -int -lcmp(a1, a2) - const void *a1, *a2; -{ - if (ISDOWN(HS(a1))) - if (ISDOWN(HS(a2))) - return (tcmp(a1, a2)); - else - return (rflg); - else if (ISDOWN(HS(a2))) - return (-rflg); - else - return (rflg * - (HS(a2)->hs_wd->wd_loadav[0] - HS(a1)->hs_wd->wd_loadav[0])); -} - -/* Number of users comparison. */ -int -ucmp(a1, a2) - const void *a1, *a2; -{ - if (ISDOWN(HS(a1))) - if (ISDOWN(HS(a2))) - return (tcmp(a1, a2)); - else - return (rflg); - else if (ISDOWN(HS(a2))) - return (-rflg); - else - return (rflg * (HS(a2)->hs_nusers - HS(a1)->hs_nusers)); -} - -/* Uptime comparison. */ -int -tcmp(a1, a2) - const void *a1, *a2; -{ - return (rflg * ( - (ISDOWN(HS(a2)) ? HS(a2)->hs_wd->wd_recvtime - now - : HS(a2)->hs_wd->wd_sendtime - HS(a2)->hs_wd->wd_boottime) - - - (ISDOWN(HS(a1)) ? HS(a1)->hs_wd->wd_recvtime - now - : HS(a1)->hs_wd->wd_sendtime - HS(a1)->hs_wd->wd_boottime) - )); -} - -void -usage() -{ - (void)fprintf(stderr, "usage: ruptime [-alrut]\n"); - exit(1); -} |