1/*-
2 * Copyright (c) 1993, John Brezak
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char rcsid[] =
36 "$FreeBSD: head/usr.bin/rup/rup.c 65428 2000-09-04 06:09:54Z imp $";
37#endif /* not lint */
38
39#include <err.h>
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43#include <time.h>
44#include <unistd.h>
45#include <sys/param.h>
46#include <sys/socket.h>
47#include <netdb.h>
48#include <rpc/rpc.h>
49#include <rpc/pmap_clnt.h>
50#include <arpa/inet.h>
51#undef FSHIFT /* Use protocol's shift and scale values */
52#undef FSCALE
53#include <rpcsvc/rstat.h>
54
55#define HOST_WIDTH 15
56
57struct host_list {
58 struct host_list *next;
59 struct in_addr addr;
60} *hosts;
61
62int search_host(struct in_addr addr)
63{
64 struct host_list *hp;
65
66 if (!hosts)
67 return(0);
68
69 for (hp = hosts; hp != NULL; hp = hp->next) {
70 if (hp->addr.s_addr == addr.s_addr)
71 return(1);
72 }
73 return(0);
74}
75
76void remember_host(struct in_addr addr)
77{
78 struct host_list *hp;
79
80 if (!(hp = (struct host_list *)malloc(sizeof(struct host_list))))
81 errx(1, "no memory");
82 hp->addr.s_addr = addr.s_addr;
83 hp->next = hosts;
84 hosts = hp;
85}
86
87int
88rstat_reply(char *replyp, struct sockaddr_in *raddrp)
89{
90 struct tm *tmp_time;
91 struct tm host_time;
92 struct tm host_uptime;
93 char days_buf[16];
94 char hours_buf[16];
95 struct hostent *hp;
96 char *host;
97 statstime *host_stat = (statstime *)replyp;
98
99 if (search_host(raddrp->sin_addr))
100 return(0);
101
102 hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
103 sizeof(struct in_addr), AF_INET);
104 if (hp)
105 host = hp->h_name;
106 else
107 host = inet_ntoa(raddrp->sin_addr);
108
109 /* truncate hostname to fit nicely into field */
110 if (strlen(host) > HOST_WIDTH)
111 host[HOST_WIDTH] = '\0';
112
113 printf("%-*s\t", HOST_WIDTH, host);
114
115 tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec);
116 host_time = *tmp_time;
117
118 host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;
119
120 tmp_time = gmtime((time_t *)&host_stat->curtime.tv_sec);
121 host_uptime = *tmp_time;
122
123 #define updays (host_stat->curtime.tv_sec / 86400)
124 if (host_uptime.tm_yday != 0)
125 sprintf(days_buf, "%3d day%s, ", updays,
126 (updays > 1) ? "s" : "");
127 else
128 days_buf[0] = '\0';
129
130 if (host_uptime.tm_hour != 0)
131 sprintf(hours_buf, "%2d:%02d, ",
132 host_uptime.tm_hour, host_uptime.tm_min);
133 else
134 if (host_uptime.tm_min != 0)
135 sprintf(hours_buf, "%2d mins, ", host_uptime.tm_min);
136 else
137 hours_buf[0] = '\0';
138
139 printf(" %2d:%02d%cm up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
140 (host_time.tm_hour % 12) ? host_time.tm_hour % 12 : 12,
141 host_time.tm_min,
142 (host_time.tm_hour >= 12) ? 'p' : 'a',
143 days_buf,
144 hours_buf,
145 (double)host_stat->avenrun[0]/FSCALE,
146 (double)host_stat->avenrun[1]/FSCALE,
147 (double)host_stat->avenrun[2]/FSCALE);
148
149 remember_host(raddrp->sin_addr);
150 return(0);
151}
152
153int
154onehost(char *host)
155{
156 CLIENT *rstat_clnt;
157 statstime host_stat;
158 struct sockaddr_in addr;
159 struct hostent *hp;
160 struct timeval tv;
161
162 hp = gethostbyname(host);
163 if (hp == NULL) {
164 warnx("unknown host \"%s\"", host);
165 return(-1);
166 }
167
168 rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
169 if (rstat_clnt == NULL) {
170 warnx("%s %s", host, clnt_spcreateerror(""));
171 return(-1);
172 }
173
174 bzero((char *)&host_stat, sizeof(host_stat));
175 tv.tv_sec = 15; /* XXX ??? */
176 tv.tv_usec = 0;
177 if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, xdr_statstime, &host_stat, tv) != RPC_SUCCESS) {
178 warnx("%s: %s", host, clnt_sperror(rstat_clnt, host));
179 return(-1);
180 }
181
182 addr.sin_addr.s_addr = *(int *)hp->h_addr;
183 rstat_reply((char *)&host_stat, &addr);
184 return (0);
185}
186
187void
188allhosts()
189{
190 statstime host_stat;
191 enum clnt_stat clnt_stat;
192
193 clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
194 xdr_void, NULL,
195 xdr_statstime, (char *)&host_stat, rstat_reply);
196 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
197 errx(1, "%s", clnt_sperrno(clnt_stat));
198}
199
200static void
201usage()
202{
203 fprintf(stderr, "usage: rup [hosts ...]\n");
204 exit(1);
205}
206
207int
208main(int argc, char *argv[])
209{
210 int ch;
211
212 while ((ch = getopt(argc, argv, "?")) != -1)
213 switch (ch) {
214 default:
215 usage();
216 /*NOTREACHED*/
217 }
218
219 setlinebuf(stdout);
220 if (argc == optind)
221 allhosts();
222 else {
223 for (; optind < argc; optind++)
224 (void) onehost(argv[optind]);
225 }
226 exit(0);
227}
2 * Copyright (c) 1993, John Brezak
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char rcsid[] =
36 "$FreeBSD: head/usr.bin/rup/rup.c 65428 2000-09-04 06:09:54Z imp $";
37#endif /* not lint */
38
39#include <err.h>
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43#include <time.h>
44#include <unistd.h>
45#include <sys/param.h>
46#include <sys/socket.h>
47#include <netdb.h>
48#include <rpc/rpc.h>
49#include <rpc/pmap_clnt.h>
50#include <arpa/inet.h>
51#undef FSHIFT /* Use protocol's shift and scale values */
52#undef FSCALE
53#include <rpcsvc/rstat.h>
54
55#define HOST_WIDTH 15
56
57struct host_list {
58 struct host_list *next;
59 struct in_addr addr;
60} *hosts;
61
62int search_host(struct in_addr addr)
63{
64 struct host_list *hp;
65
66 if (!hosts)
67 return(0);
68
69 for (hp = hosts; hp != NULL; hp = hp->next) {
70 if (hp->addr.s_addr == addr.s_addr)
71 return(1);
72 }
73 return(0);
74}
75
76void remember_host(struct in_addr addr)
77{
78 struct host_list *hp;
79
80 if (!(hp = (struct host_list *)malloc(sizeof(struct host_list))))
81 errx(1, "no memory");
82 hp->addr.s_addr = addr.s_addr;
83 hp->next = hosts;
84 hosts = hp;
85}
86
87int
88rstat_reply(char *replyp, struct sockaddr_in *raddrp)
89{
90 struct tm *tmp_time;
91 struct tm host_time;
92 struct tm host_uptime;
93 char days_buf[16];
94 char hours_buf[16];
95 struct hostent *hp;
96 char *host;
97 statstime *host_stat = (statstime *)replyp;
98
99 if (search_host(raddrp->sin_addr))
100 return(0);
101
102 hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
103 sizeof(struct in_addr), AF_INET);
104 if (hp)
105 host = hp->h_name;
106 else
107 host = inet_ntoa(raddrp->sin_addr);
108
109 /* truncate hostname to fit nicely into field */
110 if (strlen(host) > HOST_WIDTH)
111 host[HOST_WIDTH] = '\0';
112
113 printf("%-*s\t", HOST_WIDTH, host);
114
115 tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec);
116 host_time = *tmp_time;
117
118 host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;
119
120 tmp_time = gmtime((time_t *)&host_stat->curtime.tv_sec);
121 host_uptime = *tmp_time;
122
123 #define updays (host_stat->curtime.tv_sec / 86400)
124 if (host_uptime.tm_yday != 0)
125 sprintf(days_buf, "%3d day%s, ", updays,
126 (updays > 1) ? "s" : "");
127 else
128 days_buf[0] = '\0';
129
130 if (host_uptime.tm_hour != 0)
131 sprintf(hours_buf, "%2d:%02d, ",
132 host_uptime.tm_hour, host_uptime.tm_min);
133 else
134 if (host_uptime.tm_min != 0)
135 sprintf(hours_buf, "%2d mins, ", host_uptime.tm_min);
136 else
137 hours_buf[0] = '\0';
138
139 printf(" %2d:%02d%cm up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
140 (host_time.tm_hour % 12) ? host_time.tm_hour % 12 : 12,
141 host_time.tm_min,
142 (host_time.tm_hour >= 12) ? 'p' : 'a',
143 days_buf,
144 hours_buf,
145 (double)host_stat->avenrun[0]/FSCALE,
146 (double)host_stat->avenrun[1]/FSCALE,
147 (double)host_stat->avenrun[2]/FSCALE);
148
149 remember_host(raddrp->sin_addr);
150 return(0);
151}
152
153int
154onehost(char *host)
155{
156 CLIENT *rstat_clnt;
157 statstime host_stat;
158 struct sockaddr_in addr;
159 struct hostent *hp;
160 struct timeval tv;
161
162 hp = gethostbyname(host);
163 if (hp == NULL) {
164 warnx("unknown host \"%s\"", host);
165 return(-1);
166 }
167
168 rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
169 if (rstat_clnt == NULL) {
170 warnx("%s %s", host, clnt_spcreateerror(""));
171 return(-1);
172 }
173
174 bzero((char *)&host_stat, sizeof(host_stat));
175 tv.tv_sec = 15; /* XXX ??? */
176 tv.tv_usec = 0;
177 if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, xdr_statstime, &host_stat, tv) != RPC_SUCCESS) {
178 warnx("%s: %s", host, clnt_sperror(rstat_clnt, host));
179 return(-1);
180 }
181
182 addr.sin_addr.s_addr = *(int *)hp->h_addr;
183 rstat_reply((char *)&host_stat, &addr);
184 return (0);
185}
186
187void
188allhosts()
189{
190 statstime host_stat;
191 enum clnt_stat clnt_stat;
192
193 clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
194 xdr_void, NULL,
195 xdr_statstime, (char *)&host_stat, rstat_reply);
196 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
197 errx(1, "%s", clnt_sperrno(clnt_stat));
198}
199
200static void
201usage()
202{
203 fprintf(stderr, "usage: rup [hosts ...]\n");
204 exit(1);
205}
206
207int
208main(int argc, char *argv[])
209{
210 int ch;
211
212 while ((ch = getopt(argc, argv, "?")) != -1)
213 switch (ch) {
214 default:
215 usage();
216 /*NOTREACHED*/
217 }
218
219 setlinebuf(stdout);
220 if (argc == optind)
221 allhosts();
222 else {
223 for (; optind < argc; optind++)
224 (void) onehost(argv[optind]);
225 }
226 exit(0);
227}