Annotation of src/usr.bin/rup/rup.c, Revision 1.7
1.7 ! deraadt 1: /* $OpenBSD: rup.c,v 1.6 1997/02/01 07:18:28 tholo Exp $ */
1.2 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1993, John Brezak
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
1.7 ! deraadt 37: static char rcsid[] = "$OpenBSD: rup.c,v 1.6 1997/02/01 07:18:28 tholo Exp $";
1.1 deraadt 38: #endif /* not lint */
39:
40: #include <stdio.h>
41: #include <stdlib.h>
42: #include <string.h>
43: #include <time.h>
44: #include <sys/param.h>
45: #include <sys/socket.h>
46: #include <netdb.h>
47: #include <rpc/rpc.h>
1.7 ! deraadt 48: #include <rpc/pmap_clnt.h>
1.1 deraadt 49: #include <arpa/inet.h>
50: #include <err.h>
51:
52: #undef FSHIFT /* Use protocol's shift and scale values */
53: #undef FSCALE
54: #include <rpcsvc/rstat.h>
55:
56: #define HOST_WIDTH 24
57:
58: int printtime; /* print the remote host(s)'s time */
59:
60: struct host_list {
61: struct host_list *next;
62: struct in_addr addr;
63: } *hosts;
64:
1.7 ! deraadt 65: void usage __P((void));
! 66: int print_rup_data __P((char *, statstime *host_stat));
! 67:
1.1 deraadt 68: int
69: search_host(addr)
70: struct in_addr addr;
71: {
72: struct host_list *hp;
73:
74: if (!hosts)
75: return(0);
76:
77: for (hp = hosts; hp != NULL; hp = hp->next) {
78: if (hp->addr.s_addr == addr.s_addr)
79: return(1);
80: }
81: return(0);
82: }
83:
84: void
85: remember_host(addr)
86: struct in_addr addr;
87: {
88: struct host_list *hp;
89:
90: if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) {
91: err(1, NULL);
92: /* NOTREACHED */
93: }
94: hp->addr.s_addr = addr.s_addr;
95: hp->next = hosts;
96: hosts = hp;
97: }
98:
99:
100:
101: struct rup_data {
102: char *host;
103: struct statstime statstime;
104: };
105: struct rup_data *rup_data;
106: int rup_data_idx = 0;
107: int rup_data_max = 0;
108:
109: enum sort_type {
110: SORT_NONE,
111: SORT_HOST,
112: SORT_LDAV,
113: SORT_UPTIME
114: };
115: enum sort_type sort_type;
116:
1.7 ! deraadt 117: int
1.1 deraadt 118: compare(d1, d2)
119: struct rup_data *d1;
120: struct rup_data *d2;
121: {
122: switch(sort_type) {
123: case SORT_HOST:
124: return strcmp(d1->host, d2->host);
125: case SORT_LDAV:
1.3 deraadt 126: return d1->statstime.avenrun[0]
1.1 deraadt 127: - d2->statstime.avenrun[0];
128: case SORT_UPTIME:
129: return d1->statstime.boottime.tv_sec
130: - d2->statstime.boottime.tv_sec;
131: default:
132: /* something's really wrong here */
133: abort();
134: }
135: }
136:
137: void
138: remember_rup_data(host, st)
139: char *host;
140: struct statstime *st;
141: {
142: if (rup_data_idx >= rup_data_max) {
143: rup_data_max += 16;
144: rup_data = realloc (rup_data,
1.3 deraadt 145: rup_data_max * sizeof(struct rup_data));
1.1 deraadt 146: if (rup_data == NULL) {
147: err (1, NULL);
148: /* NOTREACHED */
149: }
150: }
151:
152: rup_data[rup_data_idx].host = strdup(host);
153: rup_data[rup_data_idx].statstime = *st;
154: rup_data_idx++;
155: }
156:
157:
158: int
159: rstat_reply(replyp, raddrp)
160: char *replyp;
161: struct sockaddr_in *raddrp;
162: {
163: struct hostent *hp;
164: char *host;
165: statstime *host_stat = (statstime *)replyp;
166:
167: if (!search_host(raddrp->sin_addr)) {
168: hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
1.3 deraadt 169: sizeof(struct in_addr), AF_INET);
1.1 deraadt 170: if (hp)
171: host = hp->h_name;
172: else
173: host = inet_ntoa(raddrp->sin_addr);
174:
175: remember_host(raddrp->sin_addr);
176:
1.3 deraadt 177: if (sort_type != SORT_NONE)
1.1 deraadt 178: remember_rup_data(host, host_stat);
1.3 deraadt 179: else
1.1 deraadt 180: print_rup_data(host, host_stat);
181: }
182:
183: return (0);
184: }
185:
186:
187: int
188: print_rup_data(host, host_stat)
189: char *host;
190: statstime *host_stat;
191: {
192: struct tm *tmp_time;
193: struct tm host_time;
1.6 tholo 194: unsigned ups=0,upm=0,uph=0,upd=0;
195:
1.1 deraadt 196: char days_buf[16];
197: char hours_buf[16];
198:
199: printf("%-*.*s", HOST_WIDTH, HOST_WIDTH, host);
200:
201: tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec);
202: host_time = *tmp_time;
203:
204: host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;
205:
1.6 tholo 206: ups=host_stat->curtime.tv_sec;
207: upd=ups/(3600*24);
208: ups-=upd*3600*24;
209: uph=ups/3600;
210: ups-=uph*3600;
211: upm=ups/60;
212:
213: if (upd != 0)
214: sprintf(days_buf, "%3u day%s, ", upd,
215: (upd > 1) ? "s" : "");
1.1 deraadt 216: else
217: days_buf[0] = '\0';
218:
1.6 tholo 219: if (uph != 0)
220: sprintf(hours_buf, "%2u:%02u, ",
221: uph, upm);
1.1 deraadt 222: else
1.6 tholo 223: if (upm != 0)
224: sprintf(hours_buf, "%2u mins, ", upm);
1.1 deraadt 225: else
226: hours_buf[0] = '\0';
227:
228: if (printtime)
1.4 deraadt 229: printf(" %2d:%02d%cm",
230: (host_time.tm_hour % 12) ? (host_time.tm_hour % 12) : 12,
1.3 deraadt 231: host_time.tm_min,
232: (host_time.tm_hour >= 12) ? 'p' : 'a');
1.1 deraadt 233:
234: printf(" up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
1.3 deraadt 235: days_buf, hours_buf,
236: (double)host_stat->avenrun[0]/FSCALE,
237: (double)host_stat->avenrun[1]/FSCALE,
238: (double)host_stat->avenrun[2]/FSCALE);
1.1 deraadt 239:
240: return(0);
241: }
242:
243:
244: void
245: onehost(host)
246: char *host;
247: {
248: CLIENT *rstat_clnt;
249: statstime host_stat;
250: static struct timeval timeout = {25, 0};
1.5 deraadt 251: extern char *__progname;
1.1 deraadt 252:
253: rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
254: if (rstat_clnt == NULL) {
1.5 deraadt 255: fprintf(stderr, "%s: %s", __progname,
256: clnt_spcreateerror(host));
1.1 deraadt 257: return;
258: }
259:
260: bzero((char *)&host_stat, sizeof(host_stat));
1.3 deraadt 261: if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL,
262: xdr_statstime, &host_stat, timeout) != RPC_SUCCESS) {
1.5 deraadt 263: fprintf(stderr, "%s: %s", __progname,
264: clnt_sperror(rstat_clnt, host));
1.1 deraadt 265: return;
266: }
267:
268: print_rup_data(host, &host_stat);
269: clnt_destroy(rstat_clnt);
270: }
271:
272: void
273: allhosts()
274: {
275: statstime host_stat;
276: enum clnt_stat clnt_stat;
1.5 deraadt 277: extern char *__progname;
1.1 deraadt 278: size_t i;
279:
280: if (sort_type != SORT_NONE) {
281: printf("collecting responses...");
282: fflush(stdout);
283: }
284:
285: clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
1.7 ! deraadt 286: xdr_void, NULL, xdr_statstime, (char *)&host_stat, rstat_reply);
1.1 deraadt 287: if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) {
1.5 deraadt 288: fprintf(stderr, "%s: %s", __progname, clnt_sperrno(clnt_stat));
1.1 deraadt 289: exit(1);
290: }
291:
292: if (sort_type != SORT_NONE) {
293: putchar('\n');
1.3 deraadt 294: qsort(rup_data, rup_data_idx, sizeof(struct rup_data),
295: compare);
1.1 deraadt 296:
297: for (i = 0; i < rup_data_idx; i++) {
1.3 deraadt 298: print_rup_data(rup_data[i].host,
299: &rup_data[i].statstime);
1.1 deraadt 300: }
301: }
302: }
303:
1.7 ! deraadt 304: int
1.1 deraadt 305: main(argc, argv)
306: int argc;
307: char *argv[];
308: {
309: int ch;
310: extern int optind;
311:
312: sort_type = SORT_NONE;
313: while ((ch = getopt(argc, argv, "dhlt")) != -1)
314: switch (ch) {
315: case 'd':
316: printtime = 1;
317: break;
318: case 'h':
319: sort_type = SORT_HOST;
320: break;
321: case 'l':
322: sort_type = SORT_LDAV;
323: break;
324: case 't':
325: sort_type = SORT_UPTIME;
326: break;
327: default:
328: usage();
329: /*NOTREACHED*/
330: }
331:
332: setlinebuf(stdout);
333:
334: if (argc == optind)
335: allhosts();
336: else {
337: for (; optind < argc; optind++)
338: onehost(argv[optind]);
339: }
340:
341: exit(0);
342: }
343:
344:
1.7 ! deraadt 345: void
1.1 deraadt 346: usage()
347: {
348: fprintf(stderr, "Usage: rup [-dhlt] [hosts ...]\n");
349: exit(1);
350: }
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