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274a4a44 | 1 | /* |
274a4a44 | 2 | * Logging of zebra |
718e3744 | 3 | * Copyright (C) 1997, 1998, 1999 Kunihiro Ishiguro |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
e0ca5fde DL |
23 | #define QUAGGA_DEFINE_DESC_TABLE |
24 | ||
718e3744 | 25 | #include <zebra.h> |
26 | ||
27 | #include "log.h" | |
28 | #include "memory.h" | |
29 | #include "command.h" | |
7d149b8e | 30 | #ifndef SUNOS_5 |
31 | #include <sys/un.h> | |
32 | #endif | |
30a2231a PJ |
33 | /* for printstack on solaris */ |
34 | #ifdef HAVE_UCONTEXT_H | |
35 | #include <ucontext.h> | |
36 | #endif | |
718e3744 | 37 | |
4a1ab8e4 DL |
38 | DEFINE_MTYPE_STATIC(LIB, ZLOG, "Logging") |
39 | ||
c4c7d0c4 | 40 | static int logfile_fd = -1; /* Used in signal handler. */ |
1e221354 | 41 | |
718e3744 | 42 | struct zlog *zlog_default = NULL; |
43 | ||
e2e210dd DS |
44 | /* |
45 | * This must be kept in the same order as the | |
46 | * zlog_proto_t enum | |
47 | */ | |
718e3744 | 48 | const char *zlog_proto_names[] = |
49 | { | |
50 | "NONE", | |
51 | "DEFAULT", | |
52 | "ZEBRA", | |
53 | "RIP", | |
54 | "BGP", | |
55 | "OSPF", | |
56 | "RIPNG", | |
57 | "OSPF6", | |
eac6e3f0 | 58 | "LDP", |
9e867fe6 | 59 | "ISIS", |
12e41d03 | 60 | "PIM", |
46d5d8ec DL |
61 | "RFP", |
62 | "WATCHQUAGGA", | |
718e3744 | 63 | NULL, |
64 | }; | |
65 | ||
66 | const char *zlog_priority[] = | |
67 | { | |
68 | "emergencies", | |
69 | "alerts", | |
70 | "critical", | |
71 | "errors", | |
72 | "warnings", | |
73 | "notifications", | |
74 | "informational", | |
75 | "debugging", | |
76 | NULL, | |
77 | }; | |
718e3744 | 78 | |
7a49a5b5 DS |
79 | /* |
80 | * write_wrapper | |
81 | * | |
82 | * glibc has declared that the return value from write *must* not be | |
83 | * ignored. | |
84 | * gcc see's this problem and issues a warning for the line. | |
85 | * | |
86 | * Why is this a big deal you say? Because both of them are right | |
87 | * and if you have -Werror enabled then all calls to write | |
88 | * generate a build error and the build stops. | |
89 | * | |
90 | * clang has helpfully allowed this construct: | |
91 | * (void)write(...) | |
92 | * to tell the compiler yeah I know it has a return value | |
93 | * I don't care about it at this time. | |
94 | * gcc doesn't have this ability. | |
95 | * | |
96 | * This code was written such that it didn't care about the | |
97 | * return value from write. At this time do I want | |
98 | * to go through and fix and test this code for correctness. | |
99 | * So just wrapper the bad behavior and move on. | |
100 | */ | |
101 | static void write_wrapper (int fd, const void *buf, size_t count) | |
102 | { | |
103 | if (write (fd, buf, count) <= 0) | |
104 | return; | |
105 | ||
106 | return; | |
107 | } | |
6b0655a2 | 108 | |
718e3744 | 109 | /* For time string format. */ |
718e3744 | 110 | |
1ed72e0b AS |
111 | size_t |
112 | quagga_timestamp(int timestamp_precision, char *buf, size_t buflen) | |
718e3744 | 113 | { |
1ed72e0b AS |
114 | static struct { |
115 | time_t last; | |
116 | size_t len; | |
117 | char buf[28]; | |
118 | } cache; | |
119 | struct timeval clock; | |
120 | ||
121 | /* would it be sufficient to use global 'recent_time' here? I fear not... */ | |
122 | gettimeofday(&clock, NULL); | |
123 | ||
124 | /* first, we update the cache if the time has changed */ | |
125 | if (cache.last != clock.tv_sec) | |
126 | { | |
127 | struct tm *tm; | |
128 | cache.last = clock.tv_sec; | |
129 | tm = localtime(&cache.last); | |
130 | cache.len = strftime(cache.buf, sizeof(cache.buf), | |
131 | "%Y/%m/%d %H:%M:%S", tm); | |
132 | } | |
133 | /* note: it's not worth caching the subsecond part, because | |
134 | chances are that back-to-back calls are not sufficiently close together | |
135 | for the clock not to have ticked forward */ | |
718e3744 | 136 | |
1ed72e0b AS |
137 | if (buflen > cache.len) |
138 | { | |
139 | memcpy(buf, cache.buf, cache.len); | |
140 | if ((timestamp_precision > 0) && | |
141 | (buflen > cache.len+1+timestamp_precision)) | |
142 | { | |
143 | /* should we worry about locale issues? */ | |
bcdda30b AS |
144 | static const int divisor[] = {0, 100000, 10000, 1000, 100, 10, 1}; |
145 | int prec; | |
146 | char *p = buf+cache.len+1+(prec = timestamp_precision); | |
147 | *p-- = '\0'; | |
148 | while (prec > 6) | |
149 | /* this is unlikely to happen, but protect anyway */ | |
150 | { | |
151 | *p-- = '0'; | |
152 | prec--; | |
153 | } | |
154 | clock.tv_usec /= divisor[prec]; | |
1ed72e0b AS |
155 | do |
156 | { | |
bcdda30b AS |
157 | *p-- = '0'+(clock.tv_usec % 10); |
158 | clock.tv_usec /= 10; | |
1ed72e0b | 159 | } |
bcdda30b AS |
160 | while (--prec > 0); |
161 | *p = '.'; | |
162 | return cache.len+1+timestamp_precision; | |
1ed72e0b AS |
163 | } |
164 | buf[cache.len] = '\0'; | |
165 | return cache.len; | |
166 | } | |
167 | if (buflen > 0) | |
168 | buf[0] = '\0'; | |
169 | return 0; | |
170 | } | |
718e3744 | 171 | |
1ed72e0b AS |
172 | /* Utility routine for current time printing. */ |
173 | static void | |
174 | time_print(FILE *fp, struct timestamp_control *ctl) | |
175 | { | |
176 | if (!ctl->already_rendered) | |
177 | { | |
178 | ctl->len = quagga_timestamp(ctl->precision, ctl->buf, sizeof(ctl->buf)); | |
179 | ctl->already_rendered = 1; | |
180 | } | |
181 | fprintf(fp, "%s ", ctl->buf); | |
718e3744 | 182 | } |
1ed72e0b | 183 | |
6b0655a2 | 184 | |
718e3744 | 185 | /* va_list version of zlog. */ |
eac6e3f0 | 186 | void |
d246bd96 | 187 | vzlog (struct zlog *zl, int priority, const char *format, va_list args) |
718e3744 | 188 | { |
7c8ff89e | 189 | char proto_str[32]; |
d8efb772 | 190 | int original_errno = errno; |
1ed72e0b AS |
191 | struct timestamp_control tsctl; |
192 | tsctl.already_rendered = 0; | |
193 | ||
718e3744 | 194 | /* If zlog is not specified, use default one. */ |
195 | if (zl == NULL) | |
196 | zl = zlog_default; | |
197 | ||
198 | /* When zlog_default is also NULL, use stderr for logging. */ | |
199 | if (zl == NULL) | |
200 | { | |
1ed72e0b AS |
201 | tsctl.precision = 0; |
202 | time_print(stderr, &tsctl); | |
718e3744 | 203 | fprintf (stderr, "%s: ", "unknown"); |
d246bd96 | 204 | vfprintf (stderr, format, args); |
718e3744 | 205 | fprintf (stderr, "\n"); |
206 | fflush (stderr); | |
207 | ||
208 | /* In this case we return at here. */ | |
d8efb772 | 209 | errno = original_errno; |
718e3744 | 210 | return; |
211 | } | |
1ed72e0b | 212 | tsctl.precision = zl->timestamp_precision; |
718e3744 | 213 | |
718e3744 | 214 | /* Syslog output */ |
274a4a44 | 215 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) |
d246bd96 | 216 | { |
217 | va_list ac; | |
218 | va_copy(ac, args); | |
219 | vsyslog (priority|zlog_default->facility, format, ac); | |
220 | va_end(ac); | |
221 | } | |
718e3744 | 222 | |
7c8ff89e DS |
223 | if (zl->instance) |
224 | sprintf (proto_str, "%s[%d]: ", zlog_proto_names[zl->protocol], zl->instance); | |
225 | else | |
226 | sprintf (proto_str, "%s: ", zlog_proto_names[zl->protocol]); | |
227 | ||
718e3744 | 228 | /* File output. */ |
274a4a44 | 229 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) |
718e3744 | 230 | { |
d246bd96 | 231 | va_list ac; |
1ed72e0b | 232 | time_print (zl->fp, &tsctl); |
b04c699e | 233 | if (zl->record_priority) |
234 | fprintf (zl->fp, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 235 | fprintf (zl->fp, "%s", proto_str); |
d246bd96 | 236 | va_copy(ac, args); |
237 | vfprintf (zl->fp, format, ac); | |
238 | va_end(ac); | |
718e3744 | 239 | fprintf (zl->fp, "\n"); |
240 | fflush (zl->fp); | |
241 | } | |
242 | ||
243 | /* stdout output. */ | |
274a4a44 | 244 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) |
718e3744 | 245 | { |
d246bd96 | 246 | va_list ac; |
1ed72e0b | 247 | time_print (stdout, &tsctl); |
b04c699e | 248 | if (zl->record_priority) |
249 | fprintf (stdout, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 250 | fprintf (stdout, "%s", proto_str); |
d246bd96 | 251 | va_copy(ac, args); |
252 | vfprintf (stdout, format, ac); | |
253 | va_end(ac); | |
718e3744 | 254 | fprintf (stdout, "\n"); |
255 | fflush (stdout); | |
256 | } | |
257 | ||
718e3744 | 258 | /* Terminal monitor. */ |
274a4a44 | 259 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) |
260 | vty_log ((zl->record_priority ? zlog_priority[priority] : NULL), | |
7c8ff89e | 261 | proto_str, format, &tsctl, args); |
d8efb772 CF |
262 | |
263 | errno = original_errno; | |
718e3744 | 264 | } |
265 | ||
65efcfce LB |
266 | int |
267 | vzlog_test (struct zlog *zl, int priority) | |
268 | { | |
269 | /* If zlog is not specified, use default one. */ | |
270 | if (zl == NULL) | |
271 | zl = zlog_default; | |
272 | ||
273 | /* When zlog_default is also NULL, use stderr for logging. */ | |
274 | if (zl == NULL) | |
275 | { | |
276 | return 1; | |
277 | } | |
278 | ||
279 | /* Syslog output */ | |
280 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) | |
281 | { | |
282 | return 1; | |
283 | } | |
284 | ||
285 | /* File output. */ | |
286 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) | |
287 | { | |
288 | return 1; | |
289 | } | |
290 | ||
291 | /* stdout output. */ | |
292 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) | |
293 | { | |
294 | return 1; | |
295 | } | |
296 | ||
297 | /* Terminal monitor. */ | |
298 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) | |
299 | return 1; | |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
59a06a91 | 304 | static char * |
305 | str_append(char *dst, int len, const char *src) | |
306 | { | |
307 | while ((len-- > 0) && *src) | |
308 | *dst++ = *src++; | |
309 | return dst; | |
310 | } | |
311 | ||
312 | static char * | |
313 | num_append(char *s, int len, u_long x) | |
314 | { | |
315 | char buf[30]; | |
7d149b8e | 316 | char *t; |
59a06a91 | 317 | |
7d149b8e | 318 | if (!x) |
319 | return str_append(s,len,"0"); | |
320 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
59a06a91 | 321 | while (x && (t > buf)) |
322 | { | |
323 | *--t = '0'+(x % 10); | |
324 | x /= 10; | |
325 | } | |
326 | return str_append(s,len,t); | |
327 | } | |
328 | ||
fb66b29c | 329 | #if defined(SA_SIGINFO) || defined(HAVE_STACK_TRACE) |
7d149b8e | 330 | static char * |
331 | hex_append(char *s, int len, u_long x) | |
332 | { | |
333 | char buf[30]; | |
334 | char *t; | |
335 | ||
336 | if (!x) | |
337 | return str_append(s,len,"0"); | |
338 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
339 | while (x && (t > buf)) | |
340 | { | |
341 | u_int cc = (x % 16); | |
342 | *--t = ((cc < 10) ? ('0'+cc) : ('a'+cc-10)); | |
343 | x /= 16; | |
344 | } | |
345 | return str_append(s,len,t); | |
346 | } | |
31364274 | 347 | #endif |
7d149b8e | 348 | |
7d149b8e | 349 | /* Needs to be enhanced to support Solaris. */ |
350 | static int | |
351 | syslog_connect(void) | |
352 | { | |
353 | #ifdef SUNOS_5 | |
354 | return -1; | |
355 | #else | |
356 | int fd; | |
357 | char *s; | |
358 | struct sockaddr_un addr; | |
359 | ||
360 | if ((fd = socket(AF_UNIX,SOCK_DGRAM,0)) < 0) | |
361 | return -1; | |
362 | addr.sun_family = AF_UNIX; | |
363 | #ifdef _PATH_LOG | |
364 | #define SYSLOG_SOCKET_PATH _PATH_LOG | |
365 | #else | |
366 | #define SYSLOG_SOCKET_PATH "/dev/log" | |
367 | #endif | |
368 | s = str_append(addr.sun_path,sizeof(addr.sun_path),SYSLOG_SOCKET_PATH); | |
369 | #undef SYSLOG_SOCKET_PATH | |
370 | *s = '\0'; | |
371 | if (connect(fd,(struct sockaddr *)&addr,sizeof(addr)) < 0) | |
372 | { | |
373 | close(fd); | |
374 | return -1; | |
375 | } | |
376 | return fd; | |
377 | #endif | |
378 | } | |
379 | ||
380 | static void | |
381 | syslog_sigsafe(int priority, const char *msg, size_t msglen) | |
382 | { | |
1e221354 | 383 | static int syslog_fd = -1; |
7d149b8e | 384 | char buf[sizeof("<1234567890>ripngd[1234567890]: ")+msglen+50]; |
385 | char *s; | |
386 | ||
387 | if ((syslog_fd < 0) && ((syslog_fd = syslog_connect()) < 0)) | |
388 | return; | |
389 | ||
390 | #define LOC s,buf+sizeof(buf)-s | |
391 | s = buf; | |
392 | s = str_append(LOC,"<"); | |
393 | s = num_append(LOC,priority); | |
394 | s = str_append(LOC,">"); | |
395 | /* forget about the timestamp, too difficult in a signal handler */ | |
396 | s = str_append(LOC,zlog_default->ident); | |
397 | if (zlog_default->syslog_options & LOG_PID) | |
398 | { | |
399 | s = str_append(LOC,"["); | |
400 | s = num_append(LOC,getpid()); | |
401 | s = str_append(LOC,"]"); | |
402 | } | |
403 | s = str_append(LOC,": "); | |
404 | s = str_append(LOC,msg); | |
7a49a5b5 | 405 | write_wrapper (syslog_fd,buf,s-buf); |
7d149b8e | 406 | #undef LOC |
407 | } | |
408 | ||
1e221354 | 409 | static int |
410 | open_crashlog(void) | |
411 | { | |
412 | #define CRASHLOG_PREFIX "/var/tmp/quagga." | |
413 | #define CRASHLOG_SUFFIX "crashlog" | |
414 | if (zlog_default && zlog_default->ident) | |
415 | { | |
416 | /* Avoid strlen since it is not async-signal-safe. */ | |
417 | const char *p; | |
418 | size_t ilen; | |
419 | ||
420 | for (p = zlog_default->ident, ilen = 0; *p; p++) | |
421 | ilen++; | |
422 | { | |
423 | char buf[sizeof(CRASHLOG_PREFIX)+ilen+sizeof(CRASHLOG_SUFFIX)+3]; | |
424 | char *s = buf; | |
425 | #define LOC s,buf+sizeof(buf)-s | |
426 | s = str_append(LOC, CRASHLOG_PREFIX); | |
427 | s = str_append(LOC, zlog_default->ident); | |
428 | s = str_append(LOC, "."); | |
429 | s = str_append(LOC, CRASHLOG_SUFFIX); | |
430 | #undef LOC | |
431 | *s = '\0'; | |
432 | return open(buf, O_WRONLY|O_CREAT|O_EXCL, LOGFILE_MASK); | |
433 | } | |
434 | } | |
435 | return open(CRASHLOG_PREFIX CRASHLOG_SUFFIX, O_WRONLY|O_CREAT|O_EXCL, | |
436 | LOGFILE_MASK); | |
437 | #undef CRASHLOG_SUFFIX | |
438 | #undef CRASHLOG_PREFIX | |
439 | } | |
440 | ||
7d149b8e | 441 | /* Note: the goal here is to use only async-signal-safe functions. */ |
59a06a91 | 442 | void |
31364274 | 443 | zlog_signal(int signo, const char *action |
444 | #ifdef SA_SIGINFO | |
445 | , siginfo_t *siginfo, void *program_counter | |
446 | #endif | |
447 | ) | |
59a06a91 | 448 | { |
449 | time_t now; | |
40abf239 | 450 | char buf[sizeof("DEFAULT: Received signal S at T (si_addr 0xP, PC 0xP); aborting...")+100]; |
59a06a91 | 451 | char *s = buf; |
7d149b8e | 452 | char *msgstart = buf; |
59a06a91 | 453 | #define LOC s,buf+sizeof(buf)-s |
454 | ||
455 | time(&now); | |
456 | if (zlog_default) | |
457 | { | |
458 | s = str_append(LOC,zlog_proto_names[zlog_default->protocol]); | |
459 | *s++ = ':'; | |
460 | *s++ = ' '; | |
7d149b8e | 461 | msgstart = s; |
59a06a91 | 462 | } |
463 | s = str_append(LOC,"Received signal "); | |
464 | s = num_append(LOC,signo); | |
465 | s = str_append(LOC," at "); | |
466 | s = num_append(LOC,now); | |
31364274 | 467 | #ifdef SA_SIGINFO |
40abf239 | 468 | s = str_append(LOC," (si_addr 0x"); |
469 | s = hex_append(LOC,(u_long)(siginfo->si_addr)); | |
470 | if (program_counter) | |
471 | { | |
472 | s = str_append(LOC,", PC 0x"); | |
473 | s = hex_append(LOC,(u_long)program_counter); | |
474 | } | |
475 | s = str_append(LOC,"); "); | |
31364274 | 476 | #else /* SA_SIGINFO */ |
477 | s = str_append(LOC,"; "); | |
478 | #endif /* SA_SIGINFO */ | |
59a06a91 | 479 | s = str_append(LOC,action); |
7d149b8e | 480 | if (s < buf+sizeof(buf)) |
481 | *s++ = '\n'; | |
59a06a91 | 482 | |
274a4a44 | 483 | /* N.B. implicit priority is most severe */ |
1e221354 | 484 | #define PRI LOG_CRIT |
274a4a44 | 485 | |
7a49a5b5 | 486 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
1e221354 | 487 | /* If no file logging configured, try to write to fallback log file. */ |
c4c7d0c4 | 488 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
489 | DUMP(logfile_fd) | |
59a06a91 | 490 | if (!zlog_default) |
c4c7d0c4 | 491 | DUMP(STDERR_FILENO) |
59a06a91 | 492 | else |
493 | { | |
274a4a44 | 494 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 495 | DUMP(STDOUT_FILENO) |
274a4a44 | 496 | /* Remove trailing '\n' for monitor and syslog */ |
497 | *--s = '\0'; | |
498 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
499 | vty_log_fixed(buf,s-buf); | |
500 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
501 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
59a06a91 | 502 | } |
503 | #undef DUMP | |
504 | ||
31364274 | 505 | zlog_backtrace_sigsafe(PRI, |
506 | #ifdef SA_SIGINFO | |
507 | program_counter | |
508 | #else | |
509 | NULL | |
510 | #endif | |
511 | ); | |
d1265948 DL |
512 | |
513 | s = buf; | |
514 | if (!thread_current) | |
515 | s = str_append (LOC, "no thread information available\n"); | |
516 | else | |
517 | { | |
518 | s = str_append (LOC, "in thread "); | |
519 | s = str_append (LOC, thread_current->funcname); | |
520 | s = str_append (LOC, " scheduled from "); | |
521 | s = str_append (LOC, thread_current->schedfrom); | |
522 | s = str_append (LOC, ":"); | |
523 | s = num_append (LOC, thread_current->schedfrom_line); | |
524 | s = str_append (LOC, "\n"); | |
525 | } | |
526 | ||
69f30024 | 527 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
d1265948 DL |
528 | /* If no file logging configured, try to write to fallback log file. */ |
529 | if (logfile_fd >= 0) | |
530 | DUMP(logfile_fd) | |
531 | if (!zlog_default) | |
532 | DUMP(STDERR_FILENO) | |
533 | else | |
534 | { | |
535 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) | |
536 | DUMP(STDOUT_FILENO) | |
537 | /* Remove trailing '\n' for monitor and syslog */ | |
538 | *--s = '\0'; | |
539 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
540 | vty_log_fixed(buf,s-buf); | |
541 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
542 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
543 | } | |
544 | #undef DUMP | |
545 | ||
274a4a44 | 546 | #undef PRI |
063ee52a | 547 | #undef LOC |
548 | } | |
549 | ||
550 | /* Log a backtrace using only async-signal-safe functions. | |
551 | Needs to be enhanced to support syslog logging. */ | |
552 | void | |
239c26fd | 553 | zlog_backtrace_sigsafe(int priority, void *program_counter) |
063ee52a | 554 | { |
fb66b29c | 555 | #ifdef HAVE_STACK_TRACE |
239c26fd | 556 | static const char pclabel[] = "Program counter: "; |
94fc1dd4 | 557 | void *array[64]; |
063ee52a | 558 | int size; |
559 | char buf[100]; | |
94fc1dd4 | 560 | char *s, **bt = NULL; |
063ee52a | 561 | #define LOC s,buf+sizeof(buf)-s |
59a06a91 | 562 | |
fb66b29c | 563 | #ifdef HAVE_GLIBC_BACKTRACE |
4d474fa3 DL |
564 | size = backtrace(array, array_size(array)); |
565 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 566 | return; |
59a06a91 | 567 | |
1e221354 | 568 | #define DUMP(FD) { \ |
239c26fd | 569 | if (program_counter) \ |
570 | { \ | |
7a49a5b5 | 571 | write_wrapper(FD, pclabel, sizeof(pclabel)-1); \ |
1e221354 | 572 | backtrace_symbols_fd(&program_counter, 1, FD); \ |
239c26fd | 573 | } \ |
7a49a5b5 | 574 | write_wrapper(FD, buf, s-buf); \ |
1e221354 | 575 | backtrace_symbols_fd(array, size, FD); \ |
59a06a91 | 576 | } |
fb66b29c PJ |
577 | #elif defined(HAVE_PRINTSTACK) |
578 | #define DUMP(FD) { \ | |
579 | if (program_counter) \ | |
7a49a5b5 DS |
580 | write_wrapper((FD), pclabel, sizeof(pclabel)-1); \ |
581 | write_wrapper((FD), buf, s-buf); \ | |
fb66b29c PJ |
582 | printstack((FD)); \ |
583 | } | |
584 | #endif /* HAVE_GLIBC_BACKTRACE, HAVE_PRINTSTACK */ | |
585 | ||
586 | s = buf; | |
587 | s = str_append(LOC,"Backtrace for "); | |
588 | s = num_append(LOC,size); | |
589 | s = str_append(LOC," stack frames:\n"); | |
59a06a91 | 590 | |
c4c7d0c4 | 591 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
592 | DUMP(logfile_fd) | |
59a06a91 | 593 | if (!zlog_default) |
c4c7d0c4 | 594 | DUMP(STDERR_FILENO) |
59a06a91 | 595 | else |
596 | { | |
274a4a44 | 597 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 598 | DUMP(STDOUT_FILENO) |
274a4a44 | 599 | /* Remove trailing '\n' for monitor and syslog */ |
600 | *--s = '\0'; | |
601 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
602 | vty_log_fixed(buf,s-buf); | |
603 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
604 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); | |
605 | { | |
606 | int i; | |
94fc1dd4 SH |
607 | #ifdef HAVE_GLIBC_BACKTRACE |
608 | bt = backtrace_symbols(array, size); | |
609 | #endif | |
274a4a44 | 610 | /* Just print the function addresses. */ |
611 | for (i = 0; i < size; i++) | |
612 | { | |
613 | s = buf; | |
94fc1dd4 SH |
614 | if (bt) |
615 | s = str_append(LOC, bt[i]); | |
616 | else { | |
617 | s = str_append(LOC,"[bt "); | |
618 | s = num_append(LOC,i); | |
619 | s = str_append(LOC,"] 0x"); | |
620 | s = hex_append(LOC,(u_long)(array[i])); | |
621 | } | |
274a4a44 | 622 | *s = '\0'; |
623 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
624 | vty_log_fixed(buf,s-buf); | |
625 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
7d149b8e | 626 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); |
274a4a44 | 627 | } |
94fc1dd4 SH |
628 | if (bt) |
629 | free(bt); | |
274a4a44 | 630 | } |
59a06a91 | 631 | } |
632 | #undef DUMP | |
59a06a91 | 633 | #undef LOC |
fb66b29c | 634 | #endif /* HAVE_STRACK_TRACE */ |
063ee52a | 635 | } |
636 | ||
637 | void | |
638 | zlog_backtrace(int priority) | |
639 | { | |
640 | #ifndef HAVE_GLIBC_BACKTRACE | |
641 | zlog(NULL, priority, "No backtrace available on this platform."); | |
642 | #else | |
643 | void *array[20]; | |
644 | int size, i; | |
645 | char **strings; | |
646 | ||
4d474fa3 DL |
647 | size = backtrace(array, array_size(array)); |
648 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 649 | { |
650 | zlog_err("Cannot get backtrace, returned invalid # of frames %d " | |
1ed72e0b | 651 | "(valid range is between 1 and %lu)", |
837d16cc | 652 | size, (unsigned long)(array_size(array))); |
063ee52a | 653 | return; |
654 | } | |
655 | zlog(NULL, priority, "Backtrace for %d stack frames:", size); | |
656 | if (!(strings = backtrace_symbols(array, size))) | |
657 | { | |
658 | zlog_err("Cannot get backtrace symbols (out of memory?)"); | |
659 | for (i = 0; i < size; i++) | |
660 | zlog(NULL, priority, "[bt %d] %p",i,array[i]); | |
661 | } | |
662 | else | |
663 | { | |
664 | for (i = 0; i < size; i++) | |
665 | zlog(NULL, priority, "[bt %d] %s",i,strings[i]); | |
666 | free(strings); | |
667 | } | |
668 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
59a06a91 | 669 | } |
670 | ||
718e3744 | 671 | void |
672 | zlog (struct zlog *zl, int priority, const char *format, ...) | |
673 | { | |
d246bd96 | 674 | va_list args; |
718e3744 | 675 | |
d246bd96 | 676 | va_start(args, format); |
718e3744 | 677 | vzlog (zl, priority, format, args); |
d246bd96 | 678 | va_end (args); |
718e3744 | 679 | } |
680 | ||
d246bd96 | 681 | #define ZLOG_FUNC(FUNCNAME,PRIORITY) \ |
682 | void \ | |
683 | FUNCNAME(const char *format, ...) \ | |
684 | { \ | |
685 | va_list args; \ | |
686 | va_start(args, format); \ | |
687 | vzlog (NULL, PRIORITY, format, args); \ | |
688 | va_end(args); \ | |
718e3744 | 689 | } |
690 | ||
d246bd96 | 691 | ZLOG_FUNC(zlog_err, LOG_ERR) |
718e3744 | 692 | |
d246bd96 | 693 | ZLOG_FUNC(zlog_warn, LOG_WARNING) |
718e3744 | 694 | |
d246bd96 | 695 | ZLOG_FUNC(zlog_info, LOG_INFO) |
718e3744 | 696 | |
d246bd96 | 697 | ZLOG_FUNC(zlog_notice, LOG_NOTICE) |
718e3744 | 698 | |
d246bd96 | 699 | ZLOG_FUNC(zlog_debug, LOG_DEBUG) |
718e3744 | 700 | |
d246bd96 | 701 | #undef ZLOG_FUNC |
718e3744 | 702 | |
d1265948 DL |
703 | void zlog_thread_info (int log_level) |
704 | { | |
705 | if (thread_current) | |
706 | zlog(NULL, log_level, "Current thread function %s, scheduled from " | |
707 | "file %s, line %u", thread_current->funcname, | |
708 | thread_current->schedfrom, thread_current->schedfrom_line); | |
709 | else | |
710 | zlog(NULL, log_level, "Current thread not known/applicable"); | |
711 | } | |
712 | ||
cee3df1e | 713 | void |
714 | _zlog_assert_failed (const char *assertion, const char *file, | |
715 | unsigned int line, const char *function) | |
716 | { | |
c4c7d0c4 | 717 | /* Force fallback file logging? */ |
718 | if (zlog_default && !zlog_default->fp && | |
719 | ((logfile_fd = open_crashlog()) >= 0) && | |
720 | ((zlog_default->fp = fdopen(logfile_fd, "w")) != NULL)) | |
721 | zlog_default->maxlvl[ZLOG_DEST_FILE] = LOG_ERR; | |
1e221354 | 722 | zlog(NULL, LOG_CRIT, "Assertion `%s' failed in file %s, line %u, function %s", |
723 | assertion,file,line,(function ? function : "?")); | |
724 | zlog_backtrace(LOG_CRIT); | |
d1265948 | 725 | zlog_thread_info(LOG_CRIT); |
65efcfce | 726 | log_memstats_stderr ("log"); |
cee3df1e | 727 | abort(); |
728 | } | |
729 | ||
3b4cd783 DL |
730 | void |
731 | memory_oom (size_t size, const char *name) | |
732 | { | |
733 | zlog_err("out of memory: failed to allocate %zu bytes for %s" | |
734 | "object", size, name); | |
735 | zlog_backtrace(LOG_ERR); | |
736 | abort(); | |
737 | } | |
6b0655a2 | 738 | |
718e3744 | 739 | /* Open log stream */ |
740 | struct zlog * | |
7c8ff89e | 741 | openzlog (const char *progname, zlog_proto_t protocol, u_short instance, |
718e3744 | 742 | int syslog_flags, int syslog_facility) |
743 | { | |
744 | struct zlog *zl; | |
274a4a44 | 745 | u_int i; |
718e3744 | 746 | |
274a4a44 | 747 | zl = XCALLOC(MTYPE_ZLOG, sizeof (struct zlog)); |
718e3744 | 748 | |
749 | zl->ident = progname; | |
718e3744 | 750 | zl->protocol = protocol; |
7c8ff89e | 751 | zl->instance = instance; |
718e3744 | 752 | zl->facility = syslog_facility; |
7d149b8e | 753 | zl->syslog_options = syslog_flags; |
718e3744 | 754 | |
274a4a44 | 755 | /* Set default logging levels. */ |
837d16cc | 756 | for (i = 0; i < array_size(zl->maxlvl); i++) |
274a4a44 | 757 | zl->maxlvl[i] = ZLOG_DISABLED; |
758 | zl->maxlvl[ZLOG_DEST_MONITOR] = LOG_DEBUG; | |
759 | zl->default_lvl = LOG_DEBUG; | |
760 | ||
718e3744 | 761 | openlog (progname, syslog_flags, zl->facility); |
762 | ||
763 | return zl; | |
764 | } | |
765 | ||
766 | void | |
767 | closezlog (struct zlog *zl) | |
768 | { | |
769 | closelog(); | |
228da428 CC |
770 | |
771 | if (zl->fp != NULL) | |
772 | fclose (zl->fp); | |
718e3744 | 773 | |
7e69d993 | 774 | if (zl->filename != NULL) |
6e919709 | 775 | XFREE(MTYPE_ZLOG, zl->filename); |
7e69d993 | 776 | |
718e3744 | 777 | XFREE (MTYPE_ZLOG, zl); |
778 | } | |
779 | ||
780 | /* Called from command.c. */ | |
781 | void | |
274a4a44 | 782 | zlog_set_level (struct zlog *zl, zlog_dest_t dest, int log_level) |
718e3744 | 783 | { |
784 | if (zl == NULL) | |
785 | zl = zlog_default; | |
786 | ||
274a4a44 | 787 | zl->maxlvl[dest] = log_level; |
718e3744 | 788 | } |
789 | ||
790 | int | |
274a4a44 | 791 | zlog_set_file (struct zlog *zl, const char *filename, int log_level) |
718e3744 | 792 | { |
793 | FILE *fp; | |
aa593d5e | 794 | mode_t oldumask; |
718e3744 | 795 | |
796 | /* There is opend file. */ | |
797 | zlog_reset_file (zl); | |
798 | ||
799 | /* Set default zl. */ | |
800 | if (zl == NULL) | |
801 | zl = zlog_default; | |
802 | ||
803 | /* Open file. */ | |
aa593d5e | 804 | oldumask = umask (0777 & ~LOGFILE_MASK); |
718e3744 | 805 | fp = fopen (filename, "a"); |
aa593d5e | 806 | umask(oldumask); |
274a4a44 | 807 | if (fp == NULL) |
808 | return 0; | |
718e3744 | 809 | |
810 | /* Set flags. */ | |
6e919709 | 811 | zl->filename = XSTRDUP(MTYPE_ZLOG, filename); |
274a4a44 | 812 | zl->maxlvl[ZLOG_DEST_FILE] = log_level; |
718e3744 | 813 | zl->fp = fp; |
c4c7d0c4 | 814 | logfile_fd = fileno(fp); |
718e3744 | 815 | |
816 | return 1; | |
817 | } | |
818 | ||
819 | /* Reset opend file. */ | |
820 | int | |
821 | zlog_reset_file (struct zlog *zl) | |
822 | { | |
823 | if (zl == NULL) | |
824 | zl = zlog_default; | |
825 | ||
718e3744 | 826 | if (zl->fp) |
827 | fclose (zl->fp); | |
828 | zl->fp = NULL; | |
c4c7d0c4 | 829 | logfile_fd = -1; |
274a4a44 | 830 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; |
718e3744 | 831 | |
832 | if (zl->filename) | |
6e919709 | 833 | XFREE(MTYPE_ZLOG, zl->filename); |
718e3744 | 834 | zl->filename = NULL; |
835 | ||
836 | return 1; | |
837 | } | |
838 | ||
839 | /* Reopen log file. */ | |
840 | int | |
841 | zlog_rotate (struct zlog *zl) | |
842 | { | |
274a4a44 | 843 | int level; |
718e3744 | 844 | |
845 | if (zl == NULL) | |
846 | zl = zlog_default; | |
847 | ||
848 | if (zl->fp) | |
849 | fclose (zl->fp); | |
850 | zl->fp = NULL; | |
c4c7d0c4 | 851 | logfile_fd = -1; |
274a4a44 | 852 | level = zl->maxlvl[ZLOG_DEST_FILE]; |
853 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; | |
718e3744 | 854 | |
855 | if (zl->filename) | |
856 | { | |
aa593d5e | 857 | mode_t oldumask; |
274a4a44 | 858 | int save_errno; |
aa593d5e | 859 | |
860 | oldumask = umask (0777 & ~LOGFILE_MASK); | |
274a4a44 | 861 | zl->fp = fopen (zl->filename, "a"); |
862 | save_errno = errno; | |
863 | umask(oldumask); | |
864 | if (zl->fp == NULL) | |
aa593d5e | 865 | { |
274a4a44 | 866 | zlog_err("Log rotate failed: cannot open file %s for append: %s", |
867 | zl->filename, safe_strerror(save_errno)); | |
aa593d5e | 868 | return -1; |
869 | } | |
c4c7d0c4 | 870 | logfile_fd = fileno(zl->fp); |
274a4a44 | 871 | zl->maxlvl[ZLOG_DEST_FILE] = level; |
718e3744 | 872 | } |
873 | ||
874 | return 1; | |
875 | } | |
6b0655a2 | 876 | |
718e3744 | 877 | /* Message lookup function. */ |
8c328f11 | 878 | const char * |
1423c809 | 879 | lookup (const struct message *mes, int key) |
718e3744 | 880 | { |
1423c809 | 881 | const struct message *pnt; |
718e3744 | 882 | |
883 | for (pnt = mes; pnt->key != 0; pnt++) | |
884 | if (pnt->key == key) | |
885 | return pnt->str; | |
886 | ||
887 | return ""; | |
888 | } | |
889 | ||
afb88a66 | 890 | /* Older/faster version of message lookup function, but requires caller to pass |
11486b52 PJ |
891 | * in the array size (instead of relying on a 0 key to terminate the search). |
892 | * | |
893 | * The return value is the message string if found, or the 'none' pointer | |
894 | * provided otherwise. | |
895 | */ | |
8c328f11 | 896 | const char * |
51abba50 DT |
897 | mes_lookup (const struct message *meslist, int max, int index, |
898 | const char *none, const char *mesname) | |
718e3744 | 899 | { |
11486b52 PJ |
900 | int pos = index - meslist[0].key; |
901 | ||
afb88a66 | 902 | /* first check for best case: index is in range and matches the key |
11486b52 PJ |
903 | * value in that slot. |
904 | * NB: key numbering might be offset from 0. E.g. protocol constants | |
905 | * often start at 1. | |
906 | */ | |
907 | if ((pos >= 0) && (pos < max) | |
908 | && (meslist[pos].key == index)) | |
909 | return meslist[pos].str; | |
afb88a66 AS |
910 | |
911 | /* fall back to linear search */ | |
912 | { | |
913 | int i; | |
914 | ||
915 | for (i = 0; i < max; i++, meslist++) | |
916 | { | |
917 | if (meslist->key == index) | |
918 | { | |
11486b52 PJ |
919 | const char *str = (meslist->str ? meslist->str : none); |
920 | ||
51abba50 DT |
921 | zlog_debug ("message index %d [%s] found in %s at position %d (max is %d)", |
922 | index, str, mesname, i, max); | |
11486b52 | 923 | return str; |
afb88a66 AS |
924 | } |
925 | } | |
926 | } | |
51abba50 | 927 | zlog_err("message index %d not found in %s (max is %d)", index, mesname, max); |
11486b52 PJ |
928 | assert (none); |
929 | return none; | |
718e3744 | 930 | } |
ca359769 | 931 | |
932 | /* Wrapper around strerror to handle case where it returns NULL. */ | |
933 | const char * | |
934 | safe_strerror(int errnum) | |
935 | { | |
936 | const char *s = strerror(errnum); | |
937 | return (s != NULL) ? s : "Unknown error"; | |
938 | } | |
f52d13cb | 939 | |
d6d672aa PJ |
940 | #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' } |
941 | static const struct zebra_desc_table command_types[] = { | |
942 | DESC_ENTRY (ZEBRA_INTERFACE_ADD), | |
943 | DESC_ENTRY (ZEBRA_INTERFACE_DELETE), | |
944 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_ADD), | |
945 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_DELETE), | |
946 | DESC_ENTRY (ZEBRA_INTERFACE_UP), | |
947 | DESC_ENTRY (ZEBRA_INTERFACE_DOWN), | |
948 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_ADD), | |
949 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_DELETE), | |
950 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_ADD), | |
951 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_DELETE), | |
952 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_ADD), | |
953 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DELETE), | |
954 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_ADD), | |
955 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_DELETE), | |
d6d672aa PJ |
956 | DESC_ENTRY (ZEBRA_ROUTER_ID_ADD), |
957 | DESC_ENTRY (ZEBRA_ROUTER_ID_DELETE), | |
958 | DESC_ENTRY (ZEBRA_ROUTER_ID_UPDATE), | |
4c78376f | 959 | DESC_ENTRY (ZEBRA_HELLO), |
fb018d25 DS |
960 | DESC_ENTRY (ZEBRA_NEXTHOP_REGISTER), |
961 | DESC_ENTRY (ZEBRA_NEXTHOP_UNREGISTER), | |
962 | DESC_ENTRY (ZEBRA_NEXTHOP_UPDATE), | |
a7f6b2e2 | 963 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_ADD), |
964 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE), | |
965 | DESC_ENTRY (ZEBRA_INTERFACE_BFD_DEST_UPDATE), | |
966 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_REGISTER), | |
967 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_UNREGISTER), | |
078430f6 | 968 | DESC_ENTRY (ZEBRA_IMPORT_CHECK_UPDATE), |
a7f6b2e2 | 969 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD), |
970 | DESC_ENTRY (ZEBRA_BFD_DEST_REGISTER), | |
971 | DESC_ENTRY (ZEBRA_BFD_DEST_DEREGISTER), | |
972 | DESC_ENTRY (ZEBRA_BFD_DEST_UPDATE), | |
973 | DESC_ENTRY (ZEBRA_BFD_DEST_REPLAY), | |
974 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_ADD), | |
975 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_DEL), | |
976 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_ADD), | |
c8e264b6 | 977 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_DEL), |
93f7342f DS |
978 | DESC_ENTRY (ZEBRA_VRF_UNREGISTER), |
979 | DESC_ENTRY (ZEBRA_VRF_ADD), | |
980 | DESC_ENTRY (ZEBRA_VRF_DELETE), | |
055c4dfc | 981 | DESC_ENTRY (ZEBRA_INTERFACE_VRF_UPDATE), |
4a04e5f7 | 982 | DESC_ENTRY (ZEBRA_BFD_CLIENT_REGISTER), |
983 | DESC_ENTRY (ZEBRA_INTERFACE_ENABLE_RADV), | |
93f7342f DS |
984 | DESC_ENTRY (ZEBRA_INTERFACE_DISABLE_RADV), |
985 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB), | |
ce549947 RW |
986 | DESC_ENTRY (ZEBRA_MPLS_LABELS_ADD), |
987 | DESC_ENTRY (ZEBRA_MPLS_LABELS_DELETE), | |
65efcfce LB |
988 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_ADD), |
989 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_DELETE), | |
990 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_ADD), | |
991 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_DELETE), | |
d6d672aa PJ |
992 | }; |
993 | #undef DESC_ENTRY | |
994 | ||
995 | static const struct zebra_desc_table unknown = { 0, "unknown", '?' }; | |
996 | ||
997 | static const struct zebra_desc_table * | |
f52d13cb | 998 | zroute_lookup(u_int zroute) |
999 | { | |
f52d13cb | 1000 | u_int i; |
1001 | ||
837d16cc | 1002 | if (zroute >= array_size(route_types)) |
f52d13cb | 1003 | { |
1004 | zlog_err("unknown zebra route type: %u", zroute); | |
1005 | return &unknown; | |
1006 | } | |
d6d672aa | 1007 | if (zroute == route_types[zroute].type) |
f52d13cb | 1008 | return &route_types[zroute]; |
837d16cc | 1009 | for (i = 0; i < array_size(route_types); i++) |
f52d13cb | 1010 | { |
d6d672aa | 1011 | if (zroute == route_types[i].type) |
f52d13cb | 1012 | { |
1013 | zlog_warn("internal error: route type table out of order " | |
1014 | "while searching for %u, please notify developers", zroute); | |
1015 | return &route_types[i]; | |
1016 | } | |
1017 | } | |
1018 | zlog_err("internal error: cannot find route type %u in table!", zroute); | |
1019 | return &unknown; | |
1020 | } | |
1021 | ||
1022 | const char * | |
1023 | zebra_route_string(u_int zroute) | |
1024 | { | |
1025 | return zroute_lookup(zroute)->string; | |
1026 | } | |
1027 | ||
1028 | char | |
1029 | zebra_route_char(u_int zroute) | |
1030 | { | |
1031 | return zroute_lookup(zroute)->chr; | |
1032 | } | |
d6d672aa PJ |
1033 | |
1034 | const char * | |
1035 | zserv_command_string (unsigned int command) | |
1036 | { | |
837d16cc | 1037 | if (command >= array_size(command_types)) |
d6d672aa PJ |
1038 | { |
1039 | zlog_err ("unknown zserv command type: %u", command); | |
1040 | return unknown.string; | |
1041 | } | |
1042 | return command_types[command].string; | |
1043 | } | |
7514fb77 | 1044 | |
7514fb77 PJ |
1045 | int |
1046 | proto_name2num(const char *s) | |
1047 | { | |
1048 | unsigned i; | |
1049 | ||
837d16cc | 1050 | for (i=0; i<array_size(route_types); ++i) |
7514fb77 PJ |
1051 | if (strcasecmp(s, route_types[i].string) == 0) |
1052 | return route_types[i].type; | |
1053 | return -1; | |
1054 | } | |
e0ca5fde | 1055 | |
e0ca5fde DL |
1056 | int |
1057 | proto_redistnum(int afi, const char *s) | |
1058 | { | |
1059 | if (! s) | |
1060 | return -1; | |
1061 | ||
1062 | if (afi == AFI_IP) | |
1063 | { | |
1064 | if (strncmp (s, "k", 1) == 0) | |
1065 | return ZEBRA_ROUTE_KERNEL; | |
1066 | else if (strncmp (s, "c", 1) == 0) | |
1067 | return ZEBRA_ROUTE_CONNECT; | |
1068 | else if (strncmp (s, "s", 1) == 0) | |
1069 | return ZEBRA_ROUTE_STATIC; | |
1070 | else if (strncmp (s, "r", 1) == 0) | |
1071 | return ZEBRA_ROUTE_RIP; | |
1072 | else if (strncmp (s, "o", 1) == 0) | |
1073 | return ZEBRA_ROUTE_OSPF; | |
1074 | else if (strncmp (s, "i", 1) == 0) | |
1075 | return ZEBRA_ROUTE_ISIS; | |
f8a246d6 | 1076 | else if (strncmp (s, "bg", 2) == 0) |
e0ca5fde | 1077 | return ZEBRA_ROUTE_BGP; |
a48f437a | 1078 | else if (strncmp (s, "ta", 2) == 0) |
7a4bb9c5 | 1079 | return ZEBRA_ROUTE_TABLE; |
65efcfce LB |
1080 | else if (strncmp (s, "v", 1) == 0) |
1081 | return ZEBRA_ROUTE_VNC; | |
1082 | else if (strncmp (s, "vd", 1) == 0) | |
1083 | return ZEBRA_ROUTE_VNC_DIRECT; | |
e0ca5fde DL |
1084 | } |
1085 | if (afi == AFI_IP6) | |
1086 | { | |
1087 | if (strncmp (s, "k", 1) == 0) | |
1088 | return ZEBRA_ROUTE_KERNEL; | |
1089 | else if (strncmp (s, "c", 1) == 0) | |
1090 | return ZEBRA_ROUTE_CONNECT; | |
1091 | else if (strncmp (s, "s", 1) == 0) | |
1092 | return ZEBRA_ROUTE_STATIC; | |
1093 | else if (strncmp (s, "r", 1) == 0) | |
1094 | return ZEBRA_ROUTE_RIPNG; | |
1095 | else if (strncmp (s, "o", 1) == 0) | |
1096 | return ZEBRA_ROUTE_OSPF6; | |
1097 | else if (strncmp (s, "i", 1) == 0) | |
1098 | return ZEBRA_ROUTE_ISIS; | |
f8a246d6 | 1099 | else if (strncmp (s, "bg", 2) == 0) |
e0ca5fde | 1100 | return ZEBRA_ROUTE_BGP; |
a48f437a | 1101 | else if (strncmp (s, "ta", 2) == 0) |
7a4bb9c5 | 1102 | return ZEBRA_ROUTE_TABLE; |
65efcfce LB |
1103 | else if (strncmp (s, "v", 1) == 0) |
1104 | return ZEBRA_ROUTE_VNC; | |
1105 | else if (strncmp (s, "vd", 1) == 0) | |
1106 | return ZEBRA_ROUTE_VNC_DIRECT; | |
e0ca5fde DL |
1107 | } |
1108 | return -1; | |
1109 | } | |
99a6c6cd DW |
1110 | |
1111 | void | |
a9b5cbe5 | 1112 | zlog_hexdump (const void *mem, unsigned int len) { |
99a6c6cd DW |
1113 | unsigned long i = 0; |
1114 | unsigned int j = 0; | |
1115 | unsigned int columns = 8; | |
1116 | char buf[(len * 4) + ((len/4) * 20) + 30]; | |
1117 | char *s = buf; | |
1118 | ||
1119 | for (i = 0; i < len + ((len % columns) ? (columns - len % columns) : 0); i++) | |
1120 | { | |
1121 | /* print offset */ | |
1122 | if (i % columns == 0) | |
1123 | s += sprintf(s, "0x%016lx: ", (unsigned long)mem + i); | |
1124 | ||
1125 | /* print hex data */ | |
1126 | if (i < len) | |
a9b5cbe5 | 1127 | s += sprintf(s, "%02x ", 0xFF & ((const char*)mem)[i]); |
99a6c6cd DW |
1128 | |
1129 | /* end of block, just aligning for ASCII dump */ | |
1130 | else | |
1131 | s += sprintf(s, " "); | |
1132 | ||
1133 | /* print ASCII dump */ | |
1134 | if (i % columns == (columns - 1)) | |
1135 | { | |
1136 | for (j = i - (columns - 1); j <= i; j++) | |
1137 | { | |
1138 | if (j >= len) /* end of block, not really printing */ | |
1139 | s += sprintf(s, " "); | |
1140 | ||
a9b5cbe5 DS |
1141 | else if(isprint((int)((const char *)mem)[j])) /* printable char */ |
1142 | s += sprintf(s, "%c", 0xFF & ((const char *)mem)[j]); | |
99a6c6cd DW |
1143 | |
1144 | else /* other char */ | |
1145 | s += sprintf(s, "."); | |
1146 | } | |
1147 | s += sprintf(s, "\n"); | |
1148 | } | |
1149 | } | |
1150 | zlog_debug("\n%s", buf); | |
1151 | } |