Annotation of src/usr.bin/rup/rup.c, Revision 1.16
1.16 ! deraadt 1: /* $OpenBSD: rup.c,v 1.15 2002/02/16 21:27:52 millert 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
1.16 ! deraadt 37: static char rcsid[] = "$OpenBSD: rup.c,v 1.15 2002/02/16 21:27:52 millert 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:
1.11 aaron 56: #define HOST_WIDTH 27
1.1 deraadt 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:
1.15 millert 65: void usage(void);
66: int print_rup_data(char *, statstime *host_stat);
1.7 deraadt 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: {
1.14 deraadt 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));
1.14 deraadt 146: if (rup_data == NULL) {
147: err(1, NULL);
1.1 deraadt 148: /* NOTREACHED */
1.14 deraadt 149: }
150: }
1.1 deraadt 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: {
1.16 ! deraadt 192: unsigned int ups = 0, upm = 0, uph = 0, upd = 0;
! 193: struct tm *tmp_time, host_time;
! 194: char days_buf[16], hours_buf[16];
1.1 deraadt 195:
1.9 millert 196: if (printtime)
1.11 aaron 197: printf("%-*.*s", HOST_WIDTH-8, HOST_WIDTH-8, host);
1.9 millert 198: else
199: printf("%-*.*s", HOST_WIDTH, HOST_WIDTH, host);
1.1 deraadt 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:
1.12 millert 206: if (host_stat->curtime.tv_sec > 0)
207: ups=host_stat->curtime.tv_sec;
1.6 tholo 208: upd=ups/(3600*24);
209: ups-=upd*3600*24;
210: uph=ups/3600;
211: ups-=uph*3600;
212: upm=ups/60;
213:
214: if (upd != 0)
1.16 ! deraadt 215: snprintf(days_buf, sizeof days_buf, "%3u day%s, ", upd,
! 216: (upd > 1) ? "s" : "");
1.1 deraadt 217: else
218: days_buf[0] = '\0';
219:
1.6 tholo 220: if (uph != 0)
1.16 ! deraadt 221: snprintf(hours_buf, sizeof hours_buf, "%2u:%02u, ",
! 222: uph, upm);
1.1 deraadt 223: else
1.6 tholo 224: if (upm != 0)
1.16 ! deraadt 225: snprintf(hours_buf, sizeof hours_buf, "%2u min%s ",
! 226: upm, (upm == 1) ? ", " : "s,");
1.1 deraadt 227: else
228: hours_buf[0] = '\0';
229:
230: if (printtime)
1.4 deraadt 231: printf(" %2d:%02d%cm",
232: (host_time.tm_hour % 12) ? (host_time.tm_hour % 12) : 12,
1.3 deraadt 233: host_time.tm_min,
234: (host_time.tm_hour >= 12) ? 'p' : 'a');
1.1 deraadt 235:
236: printf(" up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
1.3 deraadt 237: days_buf, hours_buf,
238: (double)host_stat->avenrun[0]/FSCALE,
239: (double)host_stat->avenrun[1]/FSCALE,
240: (double)host_stat->avenrun[2]/FSCALE);
1.1 deraadt 241:
242: return(0);
243: }
244:
245:
246: void
247: onehost(host)
248: char *host;
249: {
250: CLIENT *rstat_clnt;
251: statstime host_stat;
252: static struct timeval timeout = {25, 0};
1.5 deraadt 253: extern char *__progname;
1.1 deraadt 254:
255: rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
256: if (rstat_clnt == NULL) {
1.5 deraadt 257: fprintf(stderr, "%s: %s", __progname,
258: clnt_spcreateerror(host));
1.1 deraadt 259: return;
260: }
261:
262: bzero((char *)&host_stat, sizeof(host_stat));
1.3 deraadt 263: if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL,
264: xdr_statstime, &host_stat, timeout) != RPC_SUCCESS) {
1.5 deraadt 265: fprintf(stderr, "%s: %s", __progname,
266: clnt_sperror(rstat_clnt, host));
1.13 deraadt 267: clnt_destroy(rstat_clnt);
1.1 deraadt 268: return;
269: }
270:
271: print_rup_data(host, &host_stat);
272: clnt_destroy(rstat_clnt);
273: }
274:
275: void
276: allhosts()
277: {
278: statstime host_stat;
279: enum clnt_stat clnt_stat;
1.5 deraadt 280: extern char *__progname;
1.1 deraadt 281: size_t i;
282:
283: if (sort_type != SORT_NONE) {
284: printf("collecting responses...");
285: fflush(stdout);
286: }
287:
288: clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
1.7 deraadt 289: xdr_void, NULL, xdr_statstime, (char *)&host_stat, rstat_reply);
1.1 deraadt 290: if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) {
1.8 deraadt 291: fprintf(stderr, "%s: %s\n", __progname, clnt_sperrno(clnt_stat));
1.1 deraadt 292: exit(1);
293: }
294:
295: if (sort_type != SORT_NONE) {
296: putchar('\n');
1.3 deraadt 297: qsort(rup_data, rup_data_idx, sizeof(struct rup_data),
298: compare);
1.1 deraadt 299:
300: for (i = 0; i < rup_data_idx; i++) {
1.3 deraadt 301: print_rup_data(rup_data[i].host,
302: &rup_data[i].statstime);
1.1 deraadt 303: }
304: }
305: }
306:
1.7 deraadt 307: int
1.1 deraadt 308: main(argc, argv)
309: int argc;
310: char *argv[];
311: {
312: int ch;
313: extern int optind;
314:
315: sort_type = SORT_NONE;
316: while ((ch = getopt(argc, argv, "dhlt")) != -1)
317: switch (ch) {
318: case 'd':
319: printtime = 1;
320: break;
321: case 'h':
322: sort_type = SORT_HOST;
323: break;
324: case 'l':
325: sort_type = SORT_LDAV;
326: break;
327: case 't':
328: sort_type = SORT_UPTIME;
329: break;
330: default:
331: usage();
332: /*NOTREACHED*/
333: }
334:
335: setlinebuf(stdout);
336:
337: if (argc == optind)
338: allhosts();
339: else {
340: for (; optind < argc; optind++)
341: onehost(argv[optind]);
342: }
343:
344: exit(0);
345: }
346:
347:
1.7 deraadt 348: void
1.1 deraadt 349: usage()
350: {
351: fprintf(stderr, "Usage: rup [-dhlt] [hosts ...]\n");
352: exit(1);
353: }
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