[apple/network_cmds.git] / ruptime.tproj / ruptime.c

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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 */

#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);
}
Commit	Line	Data
b7080c8e A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
a2c93a76 A	6	* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.0 (the 'License'). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
b7080c8e A	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
a2c93a76 A	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License."
b7080c8e A	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*
	25	* Copyright (c) 1983, 1993, 1994
	26	* The Regents of the University of California. All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that the following conditions
	30	* are met:
	31	* 1. Redistributions of source code must retain the above copyright
	32	* notice, this list of conditions and the following disclaimer.
	33	* 2. Redistributions in binary form must reproduce the above copyright
	34	* notice, this list of conditions and the following disclaimer in the
	35	* documentation and/or other materials provided with the distribution.
	36	* 3. All advertising materials mentioning features or use of this software
	37	* must display the following acknowledgement:
	38	* This product includes software developed by the University of
	39	* California, Berkeley and its contributors.
	40	* 4. Neither the name of the University nor the names of its contributors
	41	* may be used to endorse or promote products derived from this software
	42	* without specific prior written permission.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	45	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	47	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	50	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	51	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	52	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	53	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*/
	56
	57
	58	#ifndef lint
	59	static char copyright[] =
	60	"@(#) Copyright (c) 1983, 1993, 1994\n\
	61	The Regents of the University of California. All rights reserved.\n";
	62	#endif /* not lint */
	63
	64	#include <sys/param.h>
	65
	66	#include <protocols/rwhod.h>
	67
	68	#include <dirent.h>
	69	#include <err.h>
	70	#include <errno.h>
	71	#include <fcntl.h>
	72	#include <stdio.h>
	73	#include <stdlib.h>
	74	#include <string.h>
	75	#include <time.h>
	76	#include <tzfile.h>
	77	#include <unistd.h>
	78
	79	struct hs {
	80	struct whod *hs_wd;
	81	int hs_nusers;
	82	} *hs;
	83	struct whod awhod;
	84
85	#define ISDOWN(h) (now - (h)->hs_wd->wd_recvtime > 11 * 60)
86	#define WHDRSIZE (sizeof (awhod) - sizeof (awhod.wd_we))
87
88	size_t nhosts;
89	time_t now;
90	int rflg = 1;
91
92	int hscmp __P((const void , const void ));
93	char interval __P((time_t, char ));
94	int lcmp __P((const void , const void ));
95	void morehosts __P((void));
96	int tcmp __P((const void , const void ));
97	int ucmp __P((const void , const void ));
98	void usage __P((void));
99
100	int
101	main(argc, argv)
102	int argc;
103	char **argv;
104	{
105	extern int optind;
106	struct dirent *dp;
107	struct hs *hsp;
108	struct whod *wd;
109	struct whoent *we;
110	DIR *dirp;
111	size_t hspace;
112	int aflg, cc, ch, fd, i, maxloadav;
113	char buf[sizeof(struct whod)];
114	int (cmp) __P((const void , const void *));
115
116	aflg = 0;
117	cmp = hscmp;
118	while ((ch = getopt(argc, argv, "alrut")) != EOF)
119	switch (ch) {
120	case 'a':
121	aflg = 1;
122	break;
123	case 'l':
124	cmp = lcmp;
125	break;
126	case 'r':
127	rflg = -1;
128	break;
129	case 't':
130	cmp = tcmp;
131	break;
132	case 'u':
133	cmp = ucmp;
134	break;
135	default:
136	usage();
137	}
138	argc -= optind;
139	argv += optind;
140
141	if (argc != 0)
142	usage();
143
144	if (chdir(_PATH_RWHODIR) \|\| (dirp = opendir(".")) == NULL)
145	err(1, "%s", _PATH_RWHODIR);
146
147	maxloadav = -1;
148	for (nhosts = hspace = 0; (dp = readdir(dirp)) != NULL;) {
149	if (dp->d_ino == 0 \|\| strncmp(dp->d_name, "whod.", 5))
150	continue;
151	if ((fd = open(dp->d_name, O_RDONLY, 0)) < 0) {
152	warn("%s", dp->d_name);
153	continue;
154	}
155	cc = read(fd, buf, sizeof(struct whod));
156	(void)close(fd);
157
158	if (cc < WHDRSIZE)
159	continue;
160	if (nhosts == hspace) {
161	if ((hs =
162	realloc(hs, (hspace += 40) * sizeof(*hs))) == NULL)
163	err(1, NULL);
164	hsp = hs + nhosts;
165	}
166
167	if ((hsp->hs_wd = malloc((size_t)WHDRSIZE)) == NULL)
168	err(1, NULL);
169	memmove(hsp->hs_wd, buf, (size_t)WHDRSIZE);
170
171	for (wd = (struct whod *)buf, i = 0; i < 2; ++i)
172	if (wd->wd_loadav[i] > maxloadav)
173	maxloadav = wd->wd_loadav[i];
174
175	for (hsp->hs_nusers = 0,
176	we = (struct whoent *)(buf + cc); --we >= wd->wd_we;)
177	if (aflg \|\| we->we_idle < 3600)
178	++hsp->hs_nusers;
179	++hsp;
180	++nhosts;
181	}
182	if (nhosts == 0)
183	errx(0, "no hosts in %s.", _PATH_RWHODIR);
184
185	(void)time(&now);
186	qsort(hs, nhosts, sizeof(hs[0]), cmp);
187	for (i = 0; i < nhosts; i++) {
188	hsp = &hs[i];
189	if (ISDOWN(hsp)) {
190	(void)printf("%-12.12s%s\n", hsp->hs_wd->wd_hostname,
191	interval(now - hsp->hs_wd->wd_recvtime, "down"));
192	continue;
193	}
194	(void)printf(
195	"%-12.12s%s, %4d user%s load %.2f, %.2f, %*.2f\n",
196	hsp->hs_wd->wd_hostname,
197	interval((time_t)hsp->hs_wd->wd_sendtime -
198	(time_t)hsp->hs_wd->wd_boottime, " up"),
199	hsp->hs_nusers,
200	hsp->hs_nusers == 1 ? ", " : "s,",
201	maxloadav >= 1000 ? 5 : 4,
202	hsp->hs_wd->wd_loadav[0] / 100.0,
203	maxloadav >= 1000 ? 5 : 4,
204	hsp->hs_wd->wd_loadav[1] / 100.0,
205	maxloadav >= 1000 ? 5 : 4,
206	hsp->hs_wd->wd_loadav[2] / 100.0);
207	}
208	exit(0);
209	}
210
211	char *
212	interval(tval, updown)
213	time_t tval;
214	char *updown;
215	{
216	static char resbuf[32];
217	int days, hours, minutes;
218
219	if (tval < 0 \|\| tval > DAYSPERNYEAR * SECSPERDAY) {
220	(void)snprintf(resbuf, sizeof(resbuf), " %s ??:??", updown);
221	return (resbuf);
222	}
223	/* round to minutes. */
224	minutes = (tval + (SECSPERMIN - 1)) / SECSPERMIN;
225	hours = minutes / MINSPERHOUR;
226	minutes %= MINSPERHOUR;
227	days = hours / HOURSPERDAY;
228	hours %= HOURSPERDAY;
229	if (days)
230	(void)snprintf(resbuf, sizeof(resbuf),
231	"%s %2d+%02d:%02d", updown, days, hours, minutes);
232	else
233	(void)snprintf(resbuf, sizeof(resbuf),
234	"%s %2d:%02d", updown, hours, minutes);
235	return (resbuf);
236	}
237
238	#define HS(a) ((struct hs *)(a))
239
240	/* Alphabetical comparison. */
241	int
242	hscmp(a1, a2)
243	const void a1, a2;
244	{
245	return (rflg *
246	strcmp(HS(a1)->hs_wd->wd_hostname, HS(a2)->hs_wd->wd_hostname));
247	}
248
249	/* Load average comparison. */
250	int
251	lcmp(a1, a2)
252	const void a1, a2;
253	{
254	if (ISDOWN(HS(a1)))
255	if (ISDOWN(HS(a2)))
256	return (tcmp(a1, a2));
257	else
258	return (rflg);
259	else if (ISDOWN(HS(a2)))
260	return (-rflg);
261	else
262	return (rflg *
263	(HS(a2)->hs_wd->wd_loadav[0] - HS(a1)->hs_wd->wd_loadav[0]));
264	}
265
266	/* Number of users comparison. */
267	int
268	ucmp(a1, a2)
269	const void a1, a2;
270	{
271	if (ISDOWN(HS(a1)))
272	if (ISDOWN(HS(a2)))
273	return (tcmp(a1, a2));
274	else
275	return (rflg);
276	else if (ISDOWN(HS(a2)))
277	return (-rflg);
278	else
279	return (rflg * (HS(a2)->hs_nusers - HS(a1)->hs_nusers));
280	}
281
282	/* Uptime comparison. */
283	int
284	tcmp(a1, a2)
285	const void a1, a2;
286	{
287	return (rflg * (
288	(ISDOWN(HS(a2)) ? HS(a2)->hs_wd->wd_recvtime - now
289	: HS(a2)->hs_wd->wd_sendtime - HS(a2)->hs_wd->wd_boottime)
290	-
291	(ISDOWN(HS(a1)) ? HS(a1)->hs_wd->wd_recvtime - now
292	: HS(a1)->hs_wd->wd_sendtime - HS(a1)->hs_wd->wd_boottime)
293	));
294	}
295
296	void
297	usage()
298	{
299	(void)fprintf(stderr, "usage: ruptime [-alrut]\n");
300	exit(1);
301	}