Commit | Line | Data |
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28b5b7e7 SL |
1 | #ifndef lint |
2 | static char sccsid[] = "@(#)implog.c 4.3 (Berkeley) %G%"; | |
3 | #endif | |
bbb841ef SL |
4 | |
5 | #include <stdio.h> | |
6 | #include <time.h> | |
7 | #include <signal.h> | |
8 | #include <sgtty.h> | |
56013160 | 9 | |
bbb841ef SL |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> | |
12 | #include <sys/socket.h> | |
56013160 SL |
13 | |
14 | #include <netinet/in.h> | |
bbb841ef | 15 | #define IMPLEADERS |
56013160 | 16 | #include <netimp/if_imp.h> |
bbb841ef SL |
17 | |
18 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
19 | ||
20 | u_char buf[1024]; | |
21 | int showdata = 1; | |
22 | int showcontents = 0; | |
23 | int follow = 0; | |
24 | int link = -1; | |
25 | int host = -1; | |
26 | int imp = -1; | |
27 | int packettype = -1; | |
28 | extern int errno; | |
29 | int log; | |
30 | char *logfile = "/usr/adm/implog"; | |
31 | ||
32 | /* | |
33 | * Socket address, internet style, with | |
34 | * unused space taken by timestamp and packet | |
35 | * size. | |
36 | */ | |
37 | struct sockstamp { | |
38 | short sin_family; | |
39 | u_short sin_port; | |
40 | struct in_addr sin_addr; | |
41 | time_t sin_time; | |
42 | int sin_cc; | |
43 | }; | |
44 | struct sockstamp from; | |
45 | ||
46 | main(argc, argv) | |
47 | char *argv[]; | |
48 | { | |
49 | struct stat b; | |
50 | int size; | |
51 | char *cp; | |
52 | ||
53 | argc--, argv++; | |
54 | while (argc > 0 && argv[0][0] == '-') { | |
55 | if (strcmp(*argv, "-D") == 0) { | |
56 | showdata = 0; | |
57 | argv++, argc--; | |
58 | continue; | |
59 | } | |
60 | if (strcmp(*argv, "-f") == 0) { | |
61 | follow++; | |
62 | argv++, argc--; | |
63 | continue; | |
64 | } | |
65 | if (strcmp(*argv, "-c") == 0) { | |
66 | showcontents++; | |
67 | argv++, argc--; | |
68 | continue; | |
69 | } | |
70 | if (strcmp(*argv, "-l") == 0) { | |
71 | argc--, argv++; | |
72 | if (argc > 0) { | |
73 | link = atoi(*argv); | |
74 | argc--, argv++; | |
75 | } else | |
76 | link = IMPLINK_IP; | |
77 | continue; | |
78 | } | |
79 | if (strcmp(*argv, "-h") == 0) { | |
80 | argc--, argv++; | |
81 | if (argc < 1) { | |
82 | printf("-h: missing host #\n"); | |
83 | exit(2); | |
84 | } | |
85 | host = atoi(*argv); | |
86 | argv++, argc--; | |
87 | continue; | |
88 | } | |
89 | if (strcmp(*argv, "-i") == 0) { | |
90 | argc--, argv++; | |
91 | if (argc < 1) { | |
92 | printf("-i: missing imp #\n"); | |
93 | exit(2); | |
94 | } | |
95 | imp = atoi(*argv); | |
96 | argv++, argc--; | |
97 | continue; | |
98 | } | |
99 | if (strcmp(*argv, "-t") == 0) { | |
100 | argc--, argv++;; | |
101 | if (argc < 1) { | |
102 | printf("-t: missing packet type\n"); | |
103 | exit(2); | |
104 | } | |
105 | packettype = atoi(*argv); | |
106 | argv++, argc--;; | |
107 | continue; | |
108 | } | |
56013160 | 109 | printf("usage: implog [ -D ] [ -c ] [ -f ] [-h #] [-i #] [ -t # ] [-l [#]] [logfile]\n"); |
bbb841ef SL |
110 | exit(2); |
111 | } | |
112 | if (argc > 0) | |
113 | logfile = argv[0]; | |
114 | log = open(logfile, 0); | |
115 | if (log < 0) { | |
116 | perror(logfile); | |
117 | exit(1); | |
118 | } | |
119 | fstat(log, &b); | |
120 | size = b.st_size; | |
121 | again: | |
122 | while (read(log, (char *)&from, sizeof(from)) == sizeof(from)) { | |
123 | if (from.sin_family == 0) { | |
124 | printf("restarted: %.24s\n", ctime(&from.sin_time)); | |
125 | continue; | |
126 | } | |
127 | if (host >= 0 && from.sin_addr.s_host != host) { | |
128 | lseek(log, from.sin_cc, 1); | |
129 | continue; | |
130 | } | |
131 | if (imp >= 0) { | |
132 | from.sin_addr.s_imp = ntohs(from.sin_addr.s_imp); | |
133 | if (from.sin_addr.s_imp != imp) { | |
134 | lseek(log, from.sin_cc, 1); | |
135 | continue; | |
136 | } | |
137 | } | |
138 | process(log, &from); | |
139 | } | |
140 | while (follow) { | |
141 | fflush(stdout); | |
142 | sleep(5); | |
143 | fstat(log, &b); | |
144 | if (b.st_size > size) { | |
145 | size = b.st_size; | |
146 | goto again; | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | int impdata(), impbadleader(), impdown(), impnoop(); | |
152 | int imprfnm(), impincomplete(), imphostdead(), imphostunreach(); | |
153 | int impbaddata(), impreset(), impretry(), impnotify(), imptrying(); | |
154 | int impready(), impundef(); | |
155 | ||
156 | struct messages { | |
157 | u_char m_type; /* type of message */ | |
158 | int (*m_func)(); /* routine to process message */ | |
159 | } mtypes[] = { | |
160 | { IMPTYPE_DATA, impdata }, | |
161 | { IMPTYPE_BADLEADER, impbadleader }, | |
162 | { IMPTYPE_DOWN, impdown }, | |
163 | { IMPTYPE_NOOP, impnoop }, | |
164 | { IMPTYPE_RFNM, imprfnm }, | |
165 | { IMPTYPE_INCOMPLETE, impincomplete }, | |
166 | { IMPTYPE_HOSTDEAD, imphostdead }, | |
167 | { IMPTYPE_HOSTUNREACH, imphostunreach }, | |
168 | { IMPTYPE_BADDATA, impbaddata }, | |
169 | { IMPTYPE_RESET, impreset }, | |
170 | { IMPTYPE_RETRY, impretry }, | |
171 | { IMPTYPE_NOTIFY, impnotify }, | |
172 | { IMPTYPE_TRYING, imptrying }, | |
173 | { IMPTYPE_READY, impready }, | |
174 | { -1, impundef } | |
175 | }; | |
176 | ||
177 | /* | |
178 | * Print a packet. | |
179 | */ | |
180 | process(l, f) | |
181 | int l; | |
182 | struct sockstamp *f; | |
183 | { | |
184 | register struct messages *mp; | |
185 | struct imp_leader *ip; | |
186 | ||
187 | if (read(l, (char *)buf, f->sin_cc) != f->sin_cc) { | |
188 | perror("read"); | |
189 | return; | |
190 | } | |
191 | ip = (struct imp_leader *)buf; | |
56013160 | 192 | ip->il_imp = ntohs((u_short)ip->il_imp); |
bbb841ef SL |
193 | for (mp = mtypes; mp->m_type != -1; mp++) |
194 | if (mp->m_type == ip->il_mtype) | |
195 | break; | |
196 | if (mp->m_type == IMPTYPE_DATA) { | |
197 | if (link >= 0 && ip->il_link != link) | |
198 | return; | |
199 | if (!showdata) | |
200 | return; | |
201 | } | |
202 | if (packettype >= 0 && mp->m_type != packettype) | |
203 | return; | |
204 | printf("%.24s: ", ctime(&f->sin_time)); | |
205 | (*mp->m_func)(ip, f->sin_cc); | |
206 | } | |
207 | ||
208 | impdata(ip, cc) | |
209 | register struct imp_leader *ip; | |
210 | { | |
56013160 | 211 | printf("<%d/%d, DATA, link=", ip->il_host, ntohs((u_short)ip->il_imp)); |
bbb841ef SL |
212 | if (ip->il_link == IMPLINK_IP) |
213 | printf("ip,"); | |
214 | else | |
215 | printf("%d,", ip->il_link); | |
56013160 | 216 | printf(" len=%d bytes>\n", ntohs((u_short)ip->il_length) >> 3); |
bbb841ef SL |
217 | if (showcontents) { |
218 | register u_char *cp = ((u_char *)ip) + sizeof(*ip); | |
219 | register int i; | |
220 | ||
221 | i = (ntohs(ip->il_length) >> 3) - sizeof(struct imp_leader); | |
222 | cc = min(i, cc); | |
223 | printf("data: (%d bytes)", cc); | |
224 | for (i = 0; i < cc; i++, cp++) { | |
225 | if (i % 25 == 0) | |
226 | printf("\n"); | |
227 | printf("%02x ", *cp); | |
228 | } | |
229 | putchar('\n'); | |
230 | } | |
231 | } | |
232 | ||
233 | char *badleader[] = { | |
234 | "error flip-flop set", | |
235 | "message < 80 bits", | |
236 | "illegal type field", | |
237 | "opposite leader type" | |
238 | }; | |
239 | ||
240 | impbadleader(ip) | |
241 | register struct imp_leader *ip; | |
242 | { | |
243 | printf("bad leader: "); | |
244 | if (ip->il_subtype > IMPLEADER_OPPOSITE) | |
245 | printf("%x\n", ip->il_subtype); | |
246 | else | |
247 | printf("%s\n", badleader[ip->il_subtype]); | |
248 | } | |
249 | ||
250 | char *down[] = { | |
251 | "in 30 secs", | |
252 | "for hardware pm", | |
253 | "for software reload", | |
254 | "for emergency restart" | |
255 | }; | |
256 | ||
257 | impdown(ip) | |
258 | register struct imp_leader *ip; | |
259 | { | |
260 | int tdown, tbackup; | |
261 | ||
262 | printf("imp going down %s", down[ip->il_link & IMP_DMASK]); | |
263 | tdown = ((ip->il_link >> 2) & 0xf) * 5; | |
264 | if (ip->il_link & IMP_DMASK) | |
265 | printf(" in %d minutes", tdown); | |
266 | tbackup = ip->il_subtype * 5; | |
267 | printf(": back up "); | |
268 | if (tbackup) | |
269 | printf("%d minutes\n", tbackup); | |
270 | else | |
271 | printf("immediately\n"); | |
272 | } | |
273 | ||
274 | impnoop(ip) | |
275 | register struct imp_leader *ip; | |
276 | { | |
56013160 SL |
277 | printf("noop: host %d, imp %d\n", ip->il_host, |
278 | ntohs((u_short)ip->il_imp)); | |
bbb841ef SL |
279 | } |
280 | ||
281 | imprfnm(ip) | |
282 | register struct imp_leader *ip; | |
283 | { | |
284 | printf("rfnm: htype=%x, source=%d/%d, link=", | |
285 | ip->il_htype, ip->il_host, ip->il_imp); | |
286 | if (ip->il_link == IMPLINK_IP) | |
287 | printf("ip,"); | |
288 | else | |
289 | printf("%x,", ip->il_link); | |
290 | printf(" subtype=%x\n", ip->il_subtype); | |
291 | } | |
292 | ||
293 | char *hostdead[] = { | |
56013160 | 294 | "#0", |
bbb841ef SL |
295 | "ready-line negated", |
296 | "tardy receiving messages", | |
297 | "ncc doesn't know host", | |
298 | "imp software won't allow messages", | |
299 | "host down for scheduled pm", | |
300 | "host down for hardware work", | |
301 | "host down for software work", | |
302 | "host down for emergency restart", | |
303 | "host down because of power outage", | |
304 | "host stopped at a breakpoint", | |
305 | "host down due to hardware failure", | |
306 | "host not scheduled to be up", | |
56013160 SL |
307 | "#13", |
308 | "#14", | |
bbb841ef SL |
309 | "host in the process of coming up" |
310 | }; | |
311 | ||
312 | imphostdead(ip) | |
313 | register struct imp_leader *ip; | |
314 | { | |
315 | printf("host dead: "); | |
316 | if (ip->il_link & IMP_DMASK) | |
317 | printf("down %s, ", down[ip->il_link & IMP_DMASK]); | |
318 | if (ip->il_subtype <= IMPHOST_COMINGUP) | |
319 | printf("%s\n", hostdead[ip->il_subtype]); | |
320 | else | |
321 | printf("subtype=%x\n", ip->il_subtype); | |
322 | } | |
323 | ||
324 | char *hostunreach[] = { | |
325 | "destination imp can't be reached", | |
326 | "destination host isn't up", | |
327 | "host doesn't support long leader", | |
328 | "communication is prohibited" | |
329 | }; | |
330 | ||
331 | imphostunreach(ip) | |
332 | register struct imp_leader *ip; | |
333 | { | |
334 | printf("host unreachable: "); | |
335 | if (ip->il_subtype <= IMPREACH_PROHIBITED) | |
336 | printf("%s\n", hostunreach[ip->il_subtype]); | |
337 | else | |
338 | printf("subtype=%x\n", ip->il_subtype); | |
339 | } | |
340 | ||
341 | impbaddata(ip) | |
342 | register struct imp_leader *ip; | |
343 | { | |
344 | printf("error in data: htype=%x, source=%d/%d, link=", | |
345 | ip->il_htype, ip->il_host, ip->il_imp); | |
346 | if (ip->il_link == IMPLINK_IP) | |
347 | printf("ip, "); | |
348 | else | |
349 | printf("%x, ", ip->il_link); | |
350 | printf("subtype=%x\n", ip->il_subtype); | |
351 | } | |
352 | ||
353 | char *incomplete[] = { | |
354 | "host didn't take data fast enough", | |
355 | "message was too long", | |
356 | "message transmission time > 15 seconds", | |
357 | "imp/circuit failure", | |
358 | "no resources within 15 seconds", | |
359 | "source imp i/o failure during receipt" | |
360 | }; | |
361 | ||
362 | impincomplete(ip) | |
363 | register struct imp_leader *ip; | |
364 | { | |
365 | printf("incomplete: htype=%x, source=%d/%d, link=", | |
366 | ip->il_htype, ip->il_host, ip->il_imp); | |
367 | if (ip->il_link == IMPLINK_IP) | |
368 | printf("ip,"); | |
369 | else | |
370 | printf("%x,", ip->il_link); | |
371 | if (ip->il_subtype <= IMPCOMPLETE_IMPIO) | |
372 | printf(" %s\n", incomplete[ip->il_subtype]); | |
373 | else | |
374 | printf(" subtype=%x\n", ip->il_subtype); | |
375 | } | |
376 | ||
377 | impreset(ip) | |
378 | register struct imp_leader *ip; | |
379 | { | |
380 | printf("reset complete\n"); | |
381 | } | |
382 | ||
383 | char *retry[] = { | |
384 | "imp buffer wasn't available", | |
385 | "connection block unavailable" | |
386 | }; | |
387 | ||
388 | impretry(ip) | |
389 | register struct imp_leader *ip; | |
390 | { | |
391 | printf("refused, try again: "); | |
392 | if (ip->il_subtype <= IMPRETRY_BLOCK) | |
393 | printf("%s\n", retry[ip->il_subtype]); | |
394 | else | |
395 | printf("subtype=%x\n", ip->il_subtype); | |
396 | } | |
397 | ||
398 | char *notify[] = { | |
56013160 SL |
399 | "#0", |
400 | "#1", | |
bbb841ef SL |
401 | "connection not available", |
402 | "reassembly space not available at destination", | |
403 | "message number not available", | |
404 | "transaction block for message not available" | |
405 | }; | |
406 | ||
407 | impnotify(ip) | |
408 | register struct imp_leader *ip; | |
409 | { | |
410 | printf("refused, will notify: "); | |
411 | if (ip->il_subtype <= 5) | |
412 | printf("%s\n", notify[ip->il_subtype]); | |
413 | else | |
414 | printf("subtype=%x\n", ip->il_subtype); | |
415 | } | |
416 | ||
417 | imptrying(ip) | |
418 | register struct imp_leader *ip; | |
419 | { | |
420 | printf("refused, still trying\n"); | |
421 | } | |
422 | ||
423 | impready(ip) | |
424 | register struct imp_leader *ip; | |
425 | { | |
426 | printf("ready\n"); | |
427 | } | |
428 | ||
429 | impundef(ip) | |
430 | register struct imp_leader *ip; | |
431 | { | |
432 | printf("<fmt=%x, net=%x, flags=%x, mtype=", ip->il_format, | |
433 | ip->il_network, ip->il_flags); | |
434 | printf("%x, htype=%x, host=%x, imp=%x, link=", ip->il_mtype, | |
435 | ip->il_htype, ip->il_host, ip->il_imp); | |
436 | if (ip->il_link == IMPLINK_IP) | |
437 | printf("ip,"); | |
438 | else | |
439 | printf("%x,", ip->il_link); | |
440 | printf(" subtype=%x>\n", ip->il_subtype); | |
441 | } |