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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_misc.h | |
3 | * Miscellanous routines | |
4 | * | |
5 | * Copyright (C) 2001,2002 Sampo Saaristo | |
d62a17ae | 6 | * Tampere University of Technology |
eb5d44eb | 7 | * Institute of Communications Engineering |
8 | * | |
d62a17ae | 9 | * This program is free software; you can redistribute it and/or modify it |
10 | * under the terms of the GNU General Public Licenseas published by the Free | |
11 | * Software Foundation; either version 2 of the License, or (at your option) | |
eb5d44eb | 12 | * any later version. |
13 | * | |
d62a17ae | 14 | * This program is distributed in the hope that it will be useful,but WITHOUT |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
eb5d44eb | 17 | * more details. |
896014f4 DL |
18 | * |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; see the file COPYING; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
eb5d44eb | 22 | */ |
23 | ||
eb5d44eb | 24 | #include <zebra.h> |
eb5d44eb | 25 | |
c7179009 | 26 | #include "printfrr.h" |
eb5d44eb | 27 | #include "stream.h" |
28 | #include "vty.h" | |
29 | #include "hash.h" | |
30 | #include "if.h" | |
9e867fe6 | 31 | #include "command.h" |
5920b3eb | 32 | #include "network.h" |
eb5d44eb | 33 | |
eb5d44eb | 34 | #include "isisd/isis_constants.h" |
35 | #include "isisd/isis_common.h" | |
3f045a08 | 36 | #include "isisd/isis_flags.h" |
eb5d44eb | 37 | #include "isisd/isis_circuit.h" |
3f045a08 | 38 | #include "isisd/isis_csm.h" |
eb5d44eb | 39 | #include "isisd/isisd.h" |
40 | #include "isisd/isis_misc.h" | |
41 | ||
eb5d44eb | 42 | #include "isisd/isis_lsp.h" |
43 | #include "isisd/isis_constants.h" | |
44 | #include "isisd/isis_adjacency.h" | |
3f045a08 | 45 | #include "isisd/isis_dynhn.h" |
eb5d44eb | 46 | |
73d1aead | 47 | /* staticly assigned vars for printing purposes */ |
48 | struct in_addr new_prefix; | |
73d1aead | 49 | /* len of xx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xx */ |
73d1aead | 50 | /* + place for #0 termination */ |
9879e291 | 51 | char isonet[51]; |
73d1aead | 52 | /* len of xxYxxMxWxdxxhxxmxxs + place for #0 termination */ |
53 | char datestring[20]; | |
54 | char nlpidstring[30]; | |
55 | ||
eb5d44eb | 56 | /* |
57 | * This converts the isonet to its printable format | |
58 | */ | |
d7c0a89a | 59 | const char *isonet_print(const uint8_t *from, int len) |
f390d2c7 | 60 | { |
d62a17ae | 61 | int i = 0; |
62 | char *pos = isonet; | |
63 | ||
64 | if (!from) | |
65 | return "unknown"; | |
66 | ||
67 | while (i < len) { | |
68 | if (i & 1) { | |
69 | sprintf(pos, "%02x", *(from + i)); | |
70 | pos += 2; | |
71 | } else { | |
72 | if (i == (len - 1)) { /* No dot at the end of address */ | |
73 | sprintf(pos, "%02x", *(from + i)); | |
74 | pos += 2; | |
75 | } else { | |
76 | sprintf(pos, "%02x.", *(from + i)); | |
77 | pos += 3; | |
78 | } | |
79 | } | |
80 | i++; | |
f390d2c7 | 81 | } |
d62a17ae | 82 | *(pos) = '\0'; |
83 | return isonet; | |
eb5d44eb | 84 | } |
85 | ||
86 | /* | |
87 | * Returns 0 on error, length of buff on ok | |
d62a17ae | 88 | * extract dot from the dotted str, and insert all the number in a buff |
eb5d44eb | 89 | */ |
d7c0a89a | 90 | int dotformat2buff(uint8_t *buff, const char *dotted) |
eb5d44eb | 91 | { |
d62a17ae | 92 | int dotlen, len = 0; |
93 | const char *pos = dotted; | |
d7c0a89a | 94 | uint8_t number[3]; |
d62a17ae | 95 | int nextdotpos = 2; |
96 | ||
97 | number[2] = '\0'; | |
98 | dotlen = strlen(dotted); | |
99 | if (dotlen > 50) { | |
100 | /* this can't be an iso net, its too long */ | |
101 | return 0; | |
f390d2c7 | 102 | } |
103 | ||
d62a17ae | 104 | while ((pos - dotted) < dotlen && len < 20) { |
105 | if (*pos == '.') { | |
106 | /* we expect the . at 2, and than every 5 */ | |
107 | if ((pos - dotted) != nextdotpos) { | |
108 | len = 0; | |
109 | break; | |
110 | } | |
111 | nextdotpos += 5; | |
112 | pos++; | |
113 | continue; | |
114 | } | |
115 | /* we must have at least two chars left here */ | |
116 | if (dotlen - (pos - dotted) < 2) { | |
117 | len = 0; | |
118 | break; | |
119 | } | |
120 | ||
fefa5e0f DL |
121 | if ((isxdigit((unsigned char)*pos)) && |
122 | (isxdigit((unsigned char)*(pos + 1)))) { | |
d62a17ae | 123 | memcpy(number, pos, 2); |
124 | pos += 2; | |
125 | } else { | |
126 | len = 0; | |
127 | break; | |
128 | } | |
129 | ||
130 | *(buff + len) = (char)strtol((char *)number, NULL, 16); | |
131 | len++; | |
f390d2c7 | 132 | } |
eb5d44eb | 133 | |
d62a17ae | 134 | return len; |
eb5d44eb | 135 | } |
f390d2c7 | 136 | |
eb5d44eb | 137 | /* |
138 | * conversion of XXXX.XXXX.XXXX to memory | |
139 | */ | |
d7c0a89a | 140 | int sysid2buff(uint8_t *buff, const char *dotted) |
f390d2c7 | 141 | { |
d62a17ae | 142 | int len = 0; |
143 | const char *pos = dotted; | |
d7c0a89a | 144 | uint8_t number[3]; |
d62a17ae | 145 | |
146 | number[2] = '\0'; | |
147 | // surely not a sysid_string if not 14 length | |
148 | if (strlen(dotted) != 14) { | |
149 | return 0; | |
f390d2c7 | 150 | } |
151 | ||
d62a17ae | 152 | while (len < ISIS_SYS_ID_LEN) { |
153 | if (*pos == '.') { | |
154 | /* the . is not positioned correctly */ | |
155 | if (((pos - dotted) != 4) && ((pos - dotted) != 9)) { | |
156 | len = 0; | |
157 | break; | |
158 | } | |
159 | pos++; | |
160 | continue; | |
161 | } | |
fefa5e0f DL |
162 | if ((isxdigit((unsigned char)*pos)) && |
163 | (isxdigit((unsigned char)*(pos + 1)))) { | |
d62a17ae | 164 | memcpy(number, pos, 2); |
165 | pos += 2; | |
166 | } else { | |
167 | len = 0; | |
168 | break; | |
169 | } | |
170 | ||
171 | *(buff + len) = (char)strtol((char *)number, NULL, 16); | |
172 | len++; | |
173 | } | |
eb5d44eb | 174 | |
d62a17ae | 175 | return len; |
eb5d44eb | 176 | } |
177 | ||
9879e291 CF |
178 | const char *nlpid2str(uint8_t nlpid) |
179 | { | |
180 | static char buf[4]; | |
181 | switch (nlpid) { | |
182 | case NLPID_IP: | |
183 | return "IPv4"; | |
184 | case NLPID_IPV6: | |
185 | return "IPv6"; | |
186 | case NLPID_SNAP: | |
187 | return "SNAP"; | |
188 | case NLPID_CLNP: | |
189 | return "CLNP"; | |
190 | case NLPID_ESIS: | |
191 | return "ES-IS"; | |
192 | default: | |
193 | snprintf(buf, sizeof(buf), "%" PRIu8, nlpid); | |
194 | return buf; | |
195 | } | |
196 | } | |
197 | ||
eb5d44eb | 198 | /* |
199 | * converts the nlpids struct (filled by TLV #129) | |
200 | * into a string | |
201 | */ | |
202 | ||
d62a17ae | 203 | char *nlpid2string(struct nlpids *nlpids) |
f390d2c7 | 204 | { |
d62a17ae | 205 | char *pos = nlpidstring; |
206 | int i; | |
207 | ||
208 | for (i = 0; i < nlpids->count; i++) { | |
9879e291 | 209 | pos += sprintf(pos, "%s", nlpid2str(nlpids->nlpids[i])); |
d62a17ae | 210 | if (nlpids->count - i > 1) |
211 | pos += sprintf(pos, ", "); | |
f390d2c7 | 212 | } |
eb5d44eb | 213 | |
d62a17ae | 214 | *(pos) = '\0'; |
f390d2c7 | 215 | |
d62a17ae | 216 | return nlpidstring; |
eb5d44eb | 217 | } |
218 | ||
eb5d44eb | 219 | /* |
220 | * Returns 0 on error, IS-IS Circuit Type on ok | |
221 | */ | |
d62a17ae | 222 | int string2circuit_t(const char *str) |
eb5d44eb | 223 | { |
f390d2c7 | 224 | |
d62a17ae | 225 | if (!str) |
226 | return 0; | |
f390d2c7 | 227 | |
d62a17ae | 228 | if (!strcmp(str, "level-1")) |
229 | return IS_LEVEL_1; | |
eb5d44eb | 230 | |
d62a17ae | 231 | if (!strcmp(str, "level-2-only") || !strcmp(str, "level-2")) |
232 | return IS_LEVEL_2; | |
f390d2c7 | 233 | |
d62a17ae | 234 | if (!strcmp(str, "level-1-2")) |
235 | return IS_LEVEL_1_AND_2; | |
eb5d44eb | 236 | |
d62a17ae | 237 | return 0; |
eb5d44eb | 238 | } |
239 | ||
d62a17ae | 240 | const char *circuit_state2string(int state) |
3f045a08 JB |
241 | { |
242 | ||
d62a17ae | 243 | switch (state) { |
244 | case C_STATE_INIT: | |
245 | return "Init"; | |
246 | case C_STATE_CONF: | |
247 | return "Config"; | |
248 | case C_STATE_UP: | |
249 | return "Up"; | |
250 | default: | |
251 | return "Unknown"; | |
252 | } | |
253 | return NULL; | |
3f045a08 JB |
254 | } |
255 | ||
d62a17ae | 256 | const char *circuit_type2string(int type) |
3f045a08 JB |
257 | { |
258 | ||
d62a17ae | 259 | switch (type) { |
260 | case CIRCUIT_T_P2P: | |
261 | return "p2p"; | |
262 | case CIRCUIT_T_BROADCAST: | |
263 | return "lan"; | |
264 | case CIRCUIT_T_LOOPBACK: | |
265 | return "loopback"; | |
266 | default: | |
267 | return "Unknown"; | |
268 | } | |
269 | return NULL; | |
3f045a08 JB |
270 | } |
271 | ||
d62a17ae | 272 | const char *circuit_t2string(int circuit_t) |
eb5d44eb | 273 | { |
d62a17ae | 274 | switch (circuit_t) { |
275 | case IS_LEVEL_1: | |
276 | return "L1"; | |
277 | case IS_LEVEL_2: | |
278 | return "L2"; | |
279 | case IS_LEVEL_1_AND_2: | |
280 | return "L1L2"; | |
281 | default: | |
282 | return "??"; | |
283 | } | |
284 | ||
285 | return NULL; /* not reached */ | |
eb5d44eb | 286 | } |
287 | ||
d62a17ae | 288 | const char *syst2string(int type) |
eb5d44eb | 289 | { |
d62a17ae | 290 | switch (type) { |
291 | case ISIS_SYSTYPE_ES: | |
292 | return "ES"; | |
293 | case ISIS_SYSTYPE_IS: | |
294 | return "IS"; | |
295 | case ISIS_SYSTYPE_L1_IS: | |
296 | return "1"; | |
297 | case ISIS_SYSTYPE_L2_IS: | |
298 | return "2"; | |
299 | default: | |
300 | return "??"; | |
301 | } | |
302 | ||
303 | return NULL; /* not reached */ | |
eb5d44eb | 304 | } |
305 | ||
306 | /* | |
307 | * Print functions - we print to static vars | |
308 | */ | |
d7c0a89a | 309 | const char *snpa_print(const uint8_t *from) |
eb5d44eb | 310 | { |
9879e291 CF |
311 | return isis_format_id(from, ISIS_SYS_ID_LEN); |
312 | } | |
f390d2c7 | 313 | |
d7c0a89a | 314 | const char *sysid_print(const uint8_t *from) |
9879e291 CF |
315 | { |
316 | return isis_format_id(from, ISIS_SYS_ID_LEN); | |
317 | } | |
eb5d44eb | 318 | |
d7c0a89a | 319 | const char *rawlspid_print(const uint8_t *from) |
9879e291 CF |
320 | { |
321 | return isis_format_id(from, 8); | |
eb5d44eb | 322 | } |
323 | ||
9879e291 CF |
324 | #define FORMAT_ID_SIZE sizeof("0000.0000.0000.00-00") |
325 | const char *isis_format_id(const uint8_t *id, size_t len) | |
eb5d44eb | 326 | { |
9879e291 CF |
327 | #define FORMAT_BUF_COUNT 4 |
328 | static char buf_ring[FORMAT_BUF_COUNT][FORMAT_ID_SIZE]; | |
329 | static size_t cur_buf = 0; | |
d62a17ae | 330 | |
9879e291 | 331 | char *rv; |
d62a17ae | 332 | |
9879e291 CF |
333 | cur_buf++; |
334 | if (cur_buf >= FORMAT_BUF_COUNT) | |
335 | cur_buf = 0; | |
eb5d44eb | 336 | |
9879e291 | 337 | rv = buf_ring[cur_buf]; |
f390d2c7 | 338 | |
9879e291 CF |
339 | if (!id) { |
340 | snprintf(rv, FORMAT_ID_SIZE, "unknown"); | |
341 | return rv; | |
342 | } | |
eb5d44eb | 343 | |
9879e291 CF |
344 | if (len < 6) { |
345 | snprintf(rv, FORMAT_ID_SIZE, "Short ID"); | |
346 | return rv; | |
347 | } | |
d62a17ae | 348 | |
9879e291 CF |
349 | snprintf(rv, FORMAT_ID_SIZE, "%02x%02x.%02x%02x.%02x%02x", id[0], id[1], |
350 | id[2], id[3], id[4], id[5]); | |
351 | ||
352 | if (len > 6) | |
353 | snprintf(rv + 14, FORMAT_ID_SIZE - 14, ".%02x", id[6]); | |
354 | if (len > 7) | |
355 | snprintf(rv + 17, FORMAT_ID_SIZE - 17, "-%02x", id[7]); | |
d62a17ae | 356 | |
9879e291 | 357 | return rv; |
eb5d44eb | 358 | } |
359 | ||
d7c0a89a | 360 | const char *time2string(uint32_t time) |
f390d2c7 | 361 | { |
d62a17ae | 362 | char *pos = datestring; |
d7c0a89a | 363 | uint32_t rest; |
d62a17ae | 364 | |
365 | if (time == 0) | |
366 | return "-"; | |
367 | ||
368 | if (time / SECS_PER_YEAR) | |
369 | pos += sprintf(pos, "%uY", time / SECS_PER_YEAR); | |
370 | rest = time % SECS_PER_YEAR; | |
371 | if (rest / SECS_PER_MONTH) | |
372 | pos += sprintf(pos, "%uM", rest / SECS_PER_MONTH); | |
373 | rest = rest % SECS_PER_MONTH; | |
374 | if (rest / SECS_PER_WEEK) | |
375 | pos += sprintf(pos, "%uw", rest / SECS_PER_WEEK); | |
376 | rest = rest % SECS_PER_WEEK; | |
377 | if (rest / SECS_PER_DAY) | |
378 | pos += sprintf(pos, "%ud", rest / SECS_PER_DAY); | |
379 | rest = rest % SECS_PER_DAY; | |
380 | if (rest / SECS_PER_HOUR) | |
381 | pos += sprintf(pos, "%uh", rest / SECS_PER_HOUR); | |
382 | rest = rest % SECS_PER_HOUR; | |
383 | if (rest / SECS_PER_MINUTE) | |
384 | pos += sprintf(pos, "%um", rest / SECS_PER_MINUTE); | |
385 | rest = rest % SECS_PER_MINUTE; | |
386 | if (rest) | |
387 | pos += sprintf(pos, "%us", rest); | |
388 | ||
389 | *(pos) = 0; | |
390 | ||
391 | return datestring; | |
eb5d44eb | 392 | } |
393 | ||
394 | /* | |
395 | * routine to decrement a timer by a random | |
396 | * number | |
397 | * | |
398 | * first argument is the timer and the second is | |
399 | * the jitter | |
400 | */ | |
d62a17ae | 401 | unsigned long isis_jitter(unsigned long timer, unsigned long jitter) |
eb5d44eb | 402 | { |
d62a17ae | 403 | int j, k; |
eb5d44eb | 404 | |
d62a17ae | 405 | if (jitter >= 100) |
406 | return timer; | |
eb5d44eb | 407 | |
d62a17ae | 408 | if (timer == 1) |
409 | return timer; | |
410 | /* | |
411 | * randomizing just the percent value provides | |
412 | * no good random numbers - hence the spread | |
413 | * to RANDOM_SPREAD (100000), which is ok as | |
414 | * most IS-IS timers are no longer than 16 bit | |
415 | */ | |
eb5d44eb | 416 | |
5920b3eb | 417 | j = 1 + (int)((RANDOM_SPREAD * frr_weak_random()) / (RAND_MAX + 1.0)); |
eb5d44eb | 418 | |
d62a17ae | 419 | k = timer - (timer * (100 - jitter)) / 100; |
eb5d44eb | 420 | |
d62a17ae | 421 | timer = timer - (k * j / RANDOM_SPREAD); |
eb5d44eb | 422 | |
d62a17ae | 423 | return timer; |
eb5d44eb | 424 | } |
425 | ||
d7c0a89a | 426 | struct in_addr newprefix2inaddr(uint8_t *prefix_start, uint8_t prefix_masklen) |
eb5d44eb | 427 | { |
d62a17ae | 428 | memset(&new_prefix, 0, sizeof(new_prefix)); |
429 | memcpy(&new_prefix, prefix_start, | |
430 | (prefix_masklen & 0x3F) | |
431 | ? ((((prefix_masklen & 0x3F) - 1) >> 3) + 1) | |
432 | : 0); | |
433 | return new_prefix; | |
eb5d44eb | 434 | } |
435 | ||
3f045a08 JB |
436 | /* |
437 | * Returns the dynamic hostname associated with the passed system ID. | |
438 | * If no dynamic hostname found then returns formatted system ID. | |
439 | */ | |
d7c0a89a | 440 | const char *print_sys_hostname(const uint8_t *sysid) |
3f045a08 | 441 | { |
d62a17ae | 442 | struct isis_dynhn *dyn; |
3f045a08 | 443 | |
d62a17ae | 444 | if (!sysid) |
445 | return "nullsysid"; | |
3f045a08 | 446 | |
d62a17ae | 447 | /* For our system ID return our host name */ |
448 | if (memcmp(sysid, isis->sysid, ISIS_SYS_ID_LEN) == 0) | |
6b3ee3a0 | 449 | return cmd_hostname_get(); |
3f045a08 | 450 | |
d62a17ae | 451 | dyn = dynhn_find_by_id(sysid); |
452 | if (dyn) | |
af8ac8f9 | 453 | return dyn->hostname; |
3f045a08 | 454 | |
d62a17ae | 455 | return sysid_print(sysid); |
3f045a08 JB |
456 | } |
457 | ||
458 | /* | |
459 | * This function is a generic utility that logs data of given length. | |
460 | * Move this to a shared lib so that any protocol can use it. | |
461 | */ | |
d62a17ae | 462 | void zlog_dump_data(void *data, int len) |
3f045a08 | 463 | { |
d62a17ae | 464 | int i; |
465 | unsigned char *p; | |
466 | unsigned char c; | |
467 | char bytestr[4]; | |
468 | char addrstr[10]; | |
469 | char hexstr[16 * 3 + 5]; | |
470 | char charstr[16 * 1 + 5]; | |
471 | ||
472 | p = data; | |
473 | memset(bytestr, 0, sizeof(bytestr)); | |
474 | memset(addrstr, 0, sizeof(addrstr)); | |
475 | memset(hexstr, 0, sizeof(hexstr)); | |
476 | memset(charstr, 0, sizeof(charstr)); | |
477 | ||
478 | for (i = 1; i <= len; i++) { | |
479 | c = *p; | |
480 | if (isalnum(c) == 0) | |
481 | c = '.'; | |
482 | ||
483 | /* store address for this line */ | |
484 | if ((i % 16) == 1) | |
485 | snprintf(addrstr, sizeof(addrstr), "%p", p); | |
486 | ||
487 | /* store hex str (for left side) */ | |
488 | snprintf(bytestr, sizeof(bytestr), "%02X ", *p); | |
489 | strncat(hexstr, bytestr, sizeof(hexstr) - strlen(hexstr) - 1); | |
490 | ||
491 | /* store char str (for right side) */ | |
492 | snprintf(bytestr, sizeof(bytestr), "%c", c); | |
493 | strncat(charstr, bytestr, | |
494 | sizeof(charstr) - strlen(charstr) - 1); | |
495 | ||
496 | if ((i % 16) == 0) { | |
497 | /* line completed */ | |
498 | zlog_debug("[%8.8s] %-50.50s %s", addrstr, hexstr, | |
499 | charstr); | |
500 | hexstr[0] = 0; | |
501 | charstr[0] = 0; | |
502 | } else if ((i % 8) == 0) { | |
503 | /* half line: add whitespaces */ | |
504 | strncat(hexstr, " ", | |
505 | sizeof(hexstr) - strlen(hexstr) - 1); | |
506 | strncat(charstr, " ", | |
507 | sizeof(charstr) - strlen(charstr) - 1); | |
508 | } | |
509 | p++; /* next byte */ | |
510 | } | |
511 | ||
512 | /* print rest of buffer if not empty */ | |
513 | if (strlen(hexstr) > 0) | |
514 | zlog_debug("[%8.8s] %-50.50s %s", addrstr, hexstr, charstr); | |
515 | return; | |
3f045a08 | 516 | } |
9879e291 | 517 | |
9879e291 CF |
518 | void log_multiline(int priority, const char *prefix, const char *format, ...) |
519 | { | |
c7179009 | 520 | char shortbuf[256]; |
9879e291 CF |
521 | va_list ap; |
522 | char *p; | |
523 | ||
524 | va_start(ap, format); | |
94c4f72d | 525 | p = vasnprintfrr(MTYPE_TMP, shortbuf, sizeof(shortbuf), format, ap); |
9879e291 CF |
526 | va_end(ap); |
527 | ||
528 | if (!p) | |
529 | return; | |
530 | ||
531 | char *saveptr = NULL; | |
532 | for (char *line = strtok_r(p, "\n", &saveptr); line; | |
533 | line = strtok_r(NULL, "\n", &saveptr)) { | |
534 | zlog(priority, "%s%s", prefix, line); | |
535 | } | |
536 | ||
c7179009 DL |
537 | if (p != shortbuf) |
538 | XFREE(MTYPE_TMP, p); | |
9879e291 CF |
539 | } |
540 | ||
541 | void vty_multiline(struct vty *vty, const char *prefix, const char *format, ...) | |
542 | { | |
c7179009 | 543 | char shortbuf[256]; |
9879e291 CF |
544 | va_list ap; |
545 | char *p; | |
546 | ||
547 | va_start(ap, format); | |
94c4f72d | 548 | p = vasnprintfrr(MTYPE_TMP, shortbuf, sizeof(shortbuf), format, ap); |
9879e291 CF |
549 | va_end(ap); |
550 | ||
551 | if (!p) | |
552 | return; | |
553 | ||
554 | char *saveptr = NULL; | |
555 | for (char *line = strtok_r(p, "\n", &saveptr); line; | |
556 | line = strtok_r(NULL, "\n", &saveptr)) { | |
557 | vty_out(vty, "%s%s\n", prefix, line); | |
558 | } | |
559 | ||
c7179009 DL |
560 | if (p != shortbuf) |
561 | XFREE(MTYPE_TMP, p); | |
9879e291 | 562 | } |
02cd317e CF |
563 | |
564 | void vty_out_timestr(struct vty *vty, time_t uptime) | |
565 | { | |
02cd317e | 566 | time_t difftime = time(NULL); |
d0636ead MS |
567 | char buf[MONOTIME_STRLEN]; |
568 | ||
02cd317e | 569 | difftime -= uptime; |
a2700b50 | 570 | |
d0636ead MS |
571 | frrtime_to_interval(difftime, buf, sizeof(buf)); |
572 | ||
573 | vty_out(vty, "%s ago", buf); | |
02cd317e | 574 | } |