Annotation of src/usr.bin/rup/rup.c, Revision 1.11
1.11 ! aaron 1: /* $OpenBSD: rup.c,v 1.10 1999/02/09 13:32:03 deraadt 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
1.11 ! aaron 37: static char rcsid[] = "$OpenBSD: rup.c,v 1.10 1999/02/09 13:32:03 deraadt 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:
1.7 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:
1.9 millert 199: if (printtime)
1.11 ! aaron 200: printf("%-*.*s", HOST_WIDTH-8, HOST_WIDTH-8, host);
1.9 millert 201: else
202: printf("%-*.*s", HOST_WIDTH, HOST_WIDTH, host);
1.1 deraadt 203:
204: tmp_time = localtime((time_t *)&host_stat->curtime.tv_sec);
205: host_time = *tmp_time;
206:
207: host_stat->curtime.tv_sec -= host_stat->boottime.tv_sec;
208:
1.6 tholo 209: ups=host_stat->curtime.tv_sec;
210: upd=ups/(3600*24);
211: ups-=upd*3600*24;
212: uph=ups/3600;
213: ups-=uph*3600;
214: upm=ups/60;
215:
216: if (upd != 0)
217: sprintf(days_buf, "%3u day%s, ", upd,
218: (upd > 1) ? "s" : "");
1.1 deraadt 219: else
220: days_buf[0] = '\0';
221:
1.6 tholo 222: if (uph != 0)
223: sprintf(hours_buf, "%2u:%02u, ",
224: uph, upm);
1.1 deraadt 225: else
1.6 tholo 226: if (upm != 0)
1.10 deraadt 227: sprintf(hours_buf, "%2u min%s ", upm,
228: (upm == 1) ? ", " : "s,");
1.1 deraadt 229: else
230: hours_buf[0] = '\0';
231:
232: if (printtime)
1.4 deraadt 233: printf(" %2d:%02d%cm",
234: (host_time.tm_hour % 12) ? (host_time.tm_hour % 12) : 12,
1.3 deraadt 235: host_time.tm_min,
236: (host_time.tm_hour >= 12) ? 'p' : 'a');
1.1 deraadt 237:
238: printf(" up %9.9s%9.9s load average: %.2f %.2f %.2f\n",
1.3 deraadt 239: days_buf, hours_buf,
240: (double)host_stat->avenrun[0]/FSCALE,
241: (double)host_stat->avenrun[1]/FSCALE,
242: (double)host_stat->avenrun[2]/FSCALE);
1.1 deraadt 243:
244: return(0);
245: }
246:
247:
248: void
249: onehost(host)
250: char *host;
251: {
252: CLIENT *rstat_clnt;
253: statstime host_stat;
254: static struct timeval timeout = {25, 0};
1.5 deraadt 255: extern char *__progname;
1.1 deraadt 256:
257: rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
258: if (rstat_clnt == NULL) {
1.5 deraadt 259: fprintf(stderr, "%s: %s", __progname,
260: clnt_spcreateerror(host));
1.1 deraadt 261: return;
262: }
263:
264: bzero((char *)&host_stat, sizeof(host_stat));
1.3 deraadt 265: if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL,
266: xdr_statstime, &host_stat, timeout) != RPC_SUCCESS) {
1.5 deraadt 267: fprintf(stderr, "%s: %s", __progname,
268: clnt_sperror(rstat_clnt, host));
1.1 deraadt 269: return;
270: }
271:
272: print_rup_data(host, &host_stat);
273: clnt_destroy(rstat_clnt);
274: }
275:
276: void
277: allhosts()
278: {
279: statstime host_stat;
280: enum clnt_stat clnt_stat;
1.5 deraadt 281: extern char *__progname;
1.1 deraadt 282: size_t i;
283:
284: if (sort_type != SORT_NONE) {
285: printf("collecting responses...");
286: fflush(stdout);
287: }
288:
289: clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
1.7 deraadt 290: xdr_void, NULL, xdr_statstime, (char *)&host_stat, rstat_reply);
1.1 deraadt 291: if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) {
1.8 deraadt 292: fprintf(stderr, "%s: %s\n", __progname, clnt_sperrno(clnt_stat));
1.1 deraadt 293: exit(1);
294: }
295:
296: if (sort_type != SORT_NONE) {
297: putchar('\n');
1.3 deraadt 298: qsort(rup_data, rup_data_idx, sizeof(struct rup_data),
299: compare);
1.1 deraadt 300:
301: for (i = 0; i < rup_data_idx; i++) {
1.3 deraadt 302: print_rup_data(rup_data[i].host,
303: &rup_data[i].statstime);
1.1 deraadt 304: }
305: }
306: }
307:
1.7 deraadt 308: int
1.1 deraadt 309: main(argc, argv)
310: int argc;
311: char *argv[];
312: {
313: int ch;
314: extern int optind;
315:
316: sort_type = SORT_NONE;
317: while ((ch = getopt(argc, argv, "dhlt")) != -1)
318: switch (ch) {
319: case 'd':
320: printtime = 1;
321: break;
322: case 'h':
323: sort_type = SORT_HOST;
324: break;
325: case 'l':
326: sort_type = SORT_LDAV;
327: break;
328: case 't':
329: sort_type = SORT_UPTIME;
330: break;
331: default:
332: usage();
333: /*NOTREACHED*/
334: }
335:
336: setlinebuf(stdout);
337:
338: if (argc == optind)
339: allhosts();
340: else {
341: for (; optind < argc; optind++)
342: onehost(argv[optind]);
343: }
344:
345: exit(0);
346: }
347:
348:
1.7 deraadt 349: void
1.1 deraadt 350: usage()
351: {
352: fprintf(stderr, "Usage: rup [-dhlt] [hosts ...]\n");
353: exit(1);
354: }
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