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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 3 | * |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | /* Include other stuffs */ | |
718e3744 | 24 | #include "log.h" |
718e3744 | 25 | #include "linklist.h" |
1e05838a | 26 | #include "vector.h" |
27 | #include "vty.h" | |
718e3744 | 28 | #include "command.h" |
29 | #include "memory.h" | |
718e3744 | 30 | #include "thread.h" |
d8a4e42b | 31 | #include "checksum.h" |
718e3744 | 32 | |
33 | #include "ospf6_proto.h" | |
718e3744 | 34 | #include "ospf6_lsa.h" |
35 | #include "ospf6_lsdb.h" | |
36 | #include "ospf6_message.h" | |
718e3744 | 37 | |
38 | #include "ospf6_top.h" | |
39 | #include "ospf6_area.h" | |
40 | #include "ospf6_interface.h" | |
41 | #include "ospf6_neighbor.h" | |
718e3744 | 42 | |
508e53e2 | 43 | #include "ospf6_flood.h" |
049207c3 | 44 | #include "ospf6d.h" |
718e3744 | 45 | |
1e05838a | 46 | vector ospf6_lsa_handler_vector; |
718e3744 | 47 | |
beadc736 | 48 | struct ospf6 *ospf6_get_by_lsdb(struct ospf6_lsa *lsa) |
49 | { | |
50 | struct ospf6 *ospf6 = NULL; | |
51 | ||
52 | switch (OSPF6_LSA_SCOPE(lsa->header->type)) { | |
53 | case OSPF6_SCOPE_LINKLOCAL: | |
54 | ospf6 = OSPF6_INTERFACE(lsa->lsdb->data)->area->ospf6; | |
55 | break; | |
56 | case OSPF6_SCOPE_AREA: | |
57 | ospf6 = OSPF6_AREA(lsa->lsdb->data)->ospf6; | |
58 | break; | |
59 | case OSPF6_SCOPE_AS: | |
60 | ospf6 = OSPF6_PROCESS(lsa->lsdb->data); | |
61 | break; | |
62 | default: | |
63 | assert(0); | |
64 | break; | |
65 | } | |
66 | return ospf6; | |
67 | } | |
68 | ||
e4bacbaa YR |
69 | static int ospf6_unknown_lsa_show(struct vty *vty, struct ospf6_lsa *lsa, |
70 | json_object *json_obj, bool use_json) | |
1e05838a | 71 | { |
d7c0a89a | 72 | uint8_t *start, *end, *current; |
d62a17ae | 73 | char byte[4]; |
1e05838a | 74 | |
d7c0a89a QY |
75 | start = (uint8_t *)lsa->header + sizeof(struct ospf6_lsa_header); |
76 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
1e05838a | 77 | |
e4bacbaa YR |
78 | if (use_json) |
79 | json_object_string_add(json_obj, "LsaType", "unknown"); | |
80 | else { | |
81 | vty_out(vty, " Unknown contents:\n"); | |
82 | for (current = start; current < end; current++) { | |
83 | if ((current - start) % 16 == 0) | |
84 | vty_out(vty, "\n "); | |
85 | else if ((current - start) % 4 == 0) | |
86 | vty_out(vty, " "); | |
87 | ||
88 | snprintf(byte, sizeof(byte), "%02x", *current); | |
89 | vty_out(vty, "%s", byte); | |
90 | } | |
718e3744 | 91 | |
e4bacbaa | 92 | vty_out(vty, "\n\n"); |
d62a17ae | 93 | } |
d62a17ae | 94 | return 0; |
1e05838a | 95 | } |
96 | ||
3981b5c7 VJ |
97 | static struct ospf6_lsa_handler unknown_handler = { |
98 | .lh_type = OSPF6_LSTYPE_UNKNOWN, | |
99 | .lh_name = "Unknown", | |
100 | .lh_short_name = "Unk", | |
101 | .lh_show = ospf6_unknown_lsa_show, | |
102 | .lh_get_prefix_str = NULL, | |
103 | .lh_debug = 0 /* No default debug */ | |
104 | }; | |
1e05838a | 105 | |
4062abfa | 106 | void ospf6_install_lsa_handler(struct ospf6_lsa_handler *handler) |
1e05838a | 107 | { |
d62a17ae | 108 | /* type in handler is host byte order */ |
3981b5c7 VJ |
109 | int index = handler->lh_type & OSPF6_LSTYPE_FCODE_MASK; |
110 | vector_set_index(ospf6_lsa_handler_vector, index, (void *)handler); | |
1e05838a | 111 | } |
112 | ||
4062abfa | 113 | struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_t type) |
1e05838a | 114 | { |
4062abfa | 115 | struct ospf6_lsa_handler *handler = NULL; |
d62a17ae | 116 | unsigned int index = ntohs(type) & OSPF6_LSTYPE_FCODE_MASK; |
1e05838a | 117 | |
d62a17ae | 118 | if (index >= vector_active(ospf6_lsa_handler_vector)) |
119 | handler = &unknown_handler; | |
120 | else | |
121 | handler = vector_slot(ospf6_lsa_handler_vector, index); | |
1e05838a | 122 | |
d62a17ae | 123 | if (handler == NULL) |
124 | handler = &unknown_handler; | |
2680aa2b | 125 | |
d62a17ae | 126 | return handler; |
1e05838a | 127 | } |
718e3744 | 128 | |
d7c0a89a | 129 | const char *ospf6_lstype_name(uint16_t type) |
508e53e2 | 130 | { |
d62a17ae | 131 | static char buf[8]; |
3981b5c7 | 132 | const struct ospf6_lsa_handler *handler; |
508e53e2 | 133 | |
d62a17ae | 134 | handler = ospf6_get_lsa_handler(type); |
135 | if (handler && handler != &unknown_handler) | |
3981b5c7 | 136 | return handler->lh_name; |
718e3744 | 137 | |
d62a17ae | 138 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
139 | return buf; | |
718e3744 | 140 | } |
141 | ||
d7c0a89a | 142 | const char *ospf6_lstype_short_name(uint16_t type) |
e68a6767 | 143 | { |
d62a17ae | 144 | static char buf[8]; |
3981b5c7 | 145 | const struct ospf6_lsa_handler *handler; |
e68a6767 | 146 | |
d62a17ae | 147 | handler = ospf6_get_lsa_handler(type); |
3e67830c | 148 | if (handler) |
3981b5c7 | 149 | return handler->lh_short_name; |
e68a6767 | 150 | |
d62a17ae | 151 | snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type)); |
152 | return buf; | |
e68a6767 DD |
153 | } |
154 | ||
d7c0a89a | 155 | uint8_t ospf6_lstype_debug(uint16_t type) |
1e05838a | 156 | { |
3981b5c7 | 157 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 158 | handler = ospf6_get_lsa_handler(type); |
01db90cd | 159 | return handler->lh_debug; |
1e05838a | 160 | } |
161 | ||
718e3744 | 162 | /* RFC2328: Section 13.2 */ |
d62a17ae | 163 | int ospf6_lsa_is_differ(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 164 | { |
d62a17ae | 165 | int len; |
718e3744 | 166 | |
d62a17ae | 167 | assert(OSPF6_LSA_IS_SAME(lsa1, lsa2)); |
718e3744 | 168 | |
d62a17ae | 169 | /* XXX, Options ??? */ |
718e3744 | 170 | |
d62a17ae | 171 | ospf6_lsa_age_current(lsa1); |
172 | ospf6_lsa_age_current(lsa2); | |
173 | if (ntohs(lsa1->header->age) == OSPF_LSA_MAXAGE | |
174 | && ntohs(lsa2->header->age) != OSPF_LSA_MAXAGE) | |
175 | return 1; | |
176 | if (ntohs(lsa1->header->age) != OSPF_LSA_MAXAGE | |
177 | && ntohs(lsa2->header->age) == OSPF_LSA_MAXAGE) | |
178 | return 1; | |
718e3744 | 179 | |
d62a17ae | 180 | /* compare body */ |
181 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
182 | return 1; | |
718e3744 | 183 | |
d62a17ae | 184 | len = ntohs(lsa1->header->length) - sizeof(struct ospf6_lsa_header); |
185 | return memcmp(lsa1->header + 1, lsa2->header + 1, len); | |
718e3744 | 186 | } |
187 | ||
d62a17ae | 188 | int ospf6_lsa_is_changed(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2) |
718e3744 | 189 | { |
d62a17ae | 190 | int length; |
718e3744 | 191 | |
d62a17ae | 192 | if (OSPF6_LSA_IS_MAXAGE(lsa1) ^ OSPF6_LSA_IS_MAXAGE(lsa2)) |
193 | return 1; | |
194 | if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length)) | |
195 | return 1; | |
196 | /* Going beyond LSA headers to compare the payload only makes sense, | |
197 | * when both LSAs aren't header-only. */ | |
198 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY) | |
199 | != CHECK_FLAG(lsa2->flag, OSPF6_LSA_HEADERONLY)) { | |
200 | zlog_warn( | |
201 | "%s: only one of two (%s, %s) LSAs compared is header-only", | |
202 | __func__, lsa1->name, lsa2->name); | |
203 | return 1; | |
204 | } | |
205 | if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY)) | |
206 | return 0; | |
718e3744 | 207 | |
d62a17ae | 208 | length = OSPF6_LSA_SIZE(lsa1->header) - sizeof(struct ospf6_lsa_header); |
209 | /* Once upper layer verifies LSAs received, length underrun should | |
210 | * become a warning. */ | |
211 | if (length <= 0) | |
212 | return 0; | |
718e3744 | 213 | |
d62a17ae | 214 | return memcmp(OSPF6_LSA_HEADER_END(lsa1->header), |
215 | OSPF6_LSA_HEADER_END(lsa2->header), length); | |
718e3744 | 216 | } |
217 | ||
218 | /* ospf6 age functions */ | |
3b68735f | 219 | /* calculate birth */ |
da086a3b | 220 | void ospf6_lsa_age_set(struct ospf6_lsa *lsa) |
718e3744 | 221 | { |
d62a17ae | 222 | struct timeval now; |
718e3744 | 223 | |
d62a17ae | 224 | assert(lsa && lsa->header); |
718e3744 | 225 | |
d62a17ae | 226 | monotime(&now); |
718e3744 | 227 | |
d62a17ae | 228 | lsa->birth.tv_sec = now.tv_sec - ntohs(lsa->header->age); |
229 | lsa->birth.tv_usec = now.tv_usec; | |
3b68735f | 230 | |
d62a17ae | 231 | return; |
718e3744 | 232 | } |
233 | ||
234 | /* this function calculates current age from its birth, | |
235 | then update age field of LSA header. return value is current age */ | |
d7c0a89a | 236 | uint16_t ospf6_lsa_age_current(struct ospf6_lsa *lsa) |
718e3744 | 237 | { |
d62a17ae | 238 | struct timeval now; |
d7c0a89a QY |
239 | uint32_t ulage; |
240 | uint16_t age; | |
718e3744 | 241 | |
d62a17ae | 242 | assert(lsa); |
243 | assert(lsa->header); | |
718e3744 | 244 | |
d62a17ae | 245 | /* current time */ |
246 | monotime(&now); | |
718e3744 | 247 | |
d62a17ae | 248 | if (ntohs(lsa->header->age) >= OSPF_LSA_MAXAGE) { |
249 | /* ospf6_lsa_premature_aging () sets age to MAXAGE; when using | |
250 | relative time, we cannot compare against lsa birth time, so | |
251 | we catch this special case here. */ | |
252 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
253 | return OSPF_LSA_MAXAGE; | |
254 | } | |
255 | /* calculate age */ | |
256 | ulage = now.tv_sec - lsa->birth.tv_sec; | |
718e3744 | 257 | |
d62a17ae | 258 | /* if over MAXAGE, set to it */ |
259 | age = (ulage > OSPF_LSA_MAXAGE ? OSPF_LSA_MAXAGE : ulage); | |
718e3744 | 260 | |
d62a17ae | 261 | lsa->header->age = htons(age); |
262 | return age; | |
718e3744 | 263 | } |
264 | ||
265 | /* update age field of LSA header with adding InfTransDelay */ | |
d7c0a89a | 266 | void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa, uint32_t transdelay) |
d62a17ae | 267 | { |
268 | unsigned short age; | |
269 | ||
270 | age = ospf6_lsa_age_current(lsa) + transdelay; | |
271 | if (age > OSPF_LSA_MAXAGE) | |
272 | age = OSPF_LSA_MAXAGE; | |
273 | lsa->header->age = htons(age); | |
274 | } | |
275 | ||
276 | void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa) | |
277 | { | |
278 | /* log */ | |
279 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) | |
280 | zlog_debug("LSA: Premature aging: %s", lsa->name); | |
281 | ||
282 | THREAD_OFF(lsa->expire); | |
283 | THREAD_OFF(lsa->refresh); | |
284 | ||
285 | /* | |
286 | * We clear the LSA from the neighbor retx lists now because it | |
287 | * will not get deleted later. Essentially, changing the age to | |
288 | * MaxAge will prevent this LSA from being matched with its | |
289 | * existing entries in the retx list thereby causing those entries | |
290 | * to be silently replaced with its MaxAged version, but with ever | |
291 | * increasing retx count causing this LSA to remain forever and | |
292 | * for the MaxAge remover thread to be called forever too. | |
293 | * | |
294 | * The reason the previous entry silently disappears is that when | |
295 | * entry is added to a neighbor's retx list, it replaces the existing | |
296 | * entry. But since the ospf6_lsdb_add() routine is generic and not | |
297 | * aware | |
298 | * of the special semantics of retx count, the retx count is not | |
299 | * decremented when its replaced. Attempting to add the incr and decr | |
300 | * retx count routines as the hook_add and hook_remove for the retx | |
301 | * lists | |
302 | * have a problem because the hook_remove routine is called for MaxAge | |
303 | * entries (as will be the case in a traditional LSDB, unlike in this | |
304 | * case | |
305 | * where an LSDB is used as an efficient tree structure to store all | |
306 | * kinds | |
307 | * of data) that are added instead of calling the hook_add routine. | |
308 | */ | |
309 | ||
310 | ospf6_flood_clear(lsa); | |
311 | ||
312 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
313 | thread_execute(master, ospf6_lsa_expire, lsa, 0); | |
718e3744 | 314 | } |
315 | ||
316 | /* check which is more recent. if a is more recent, return -1; | |
317 | if the same, return 0; otherwise(b is more recent), return 1 */ | |
d62a17ae | 318 | int ospf6_lsa_compare(struct ospf6_lsa *a, struct ospf6_lsa *b) |
718e3744 | 319 | { |
d62a17ae | 320 | int32_t seqnuma, seqnumb; |
d7c0a89a QY |
321 | uint16_t cksuma, cksumb; |
322 | uint16_t agea, ageb; | |
d62a17ae | 323 | |
324 | assert(a && a->header); | |
325 | assert(b && b->header); | |
326 | assert(OSPF6_LSA_IS_SAME(a, b)); | |
718e3744 | 327 | |
d62a17ae | 328 | seqnuma = (int32_t)ntohl(a->header->seqnum); |
329 | seqnumb = (int32_t)ntohl(b->header->seqnum); | |
718e3744 | 330 | |
d62a17ae | 331 | /* compare by sequence number */ |
332 | if (seqnuma > seqnumb) | |
333 | return -1; | |
334 | if (seqnuma < seqnumb) | |
335 | return 1; | |
336 | ||
337 | /* Checksum */ | |
338 | cksuma = ntohs(a->header->checksum); | |
339 | cksumb = ntohs(b->header->checksum); | |
340 | if (cksuma > cksumb) | |
341 | return -1; | |
342 | if (cksuma < cksumb) | |
343 | return 0; | |
344 | ||
345 | /* Update Age */ | |
346 | agea = ospf6_lsa_age_current(a); | |
347 | ageb = ospf6_lsa_age_current(b); | |
348 | ||
349 | /* MaxAge check */ | |
350 | if (agea == OSPF_LSA_MAXAGE && ageb != OSPF_LSA_MAXAGE) | |
351 | return -1; | |
352 | else if (agea != OSPF_LSA_MAXAGE && ageb == OSPF_LSA_MAXAGE) | |
353 | return 1; | |
354 | ||
355 | /* Age check */ | |
356 | if (agea > ageb && agea - ageb >= OSPF_LSA_MAXAGE_DIFF) | |
357 | return 1; | |
358 | else if (agea < ageb && ageb - agea >= OSPF_LSA_MAXAGE_DIFF) | |
359 | return -1; | |
360 | ||
361 | /* neither recent */ | |
362 | return 0; | |
363 | } | |
364 | ||
365 | char *ospf6_lsa_printbuf(struct ospf6_lsa *lsa, char *buf, int size) | |
366 | { | |
367 | char id[16], adv_router[16]; | |
368 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
369 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
370 | sizeof(adv_router)); | |
371 | snprintf(buf, size, "[%s Id:%s Adv:%s]", | |
372 | ospf6_lstype_name(lsa->header->type), id, adv_router); | |
373 | return buf; | |
374 | } | |
375 | ||
376 | void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header) | |
377 | { | |
378 | char id[16], adv_router[16]; | |
379 | inet_ntop(AF_INET, &header->id, id, sizeof(id)); | |
380 | inet_ntop(AF_INET, &header->adv_router, adv_router, sizeof(adv_router)); | |
381 | zlog_debug(" [%s Id:%s Adv:%s]", ospf6_lstype_name(header->type), id, | |
382 | adv_router); | |
383 | zlog_debug(" Age: %4hu SeqNum: %#08lx Cksum: %04hx Len: %d", | |
d7c0a89a | 384 | ntohs(header->age), (unsigned long)ntohl(header->seqnum), |
d62a17ae | 385 | ntohs(header->checksum), ntohs(header->length)); |
386 | } | |
387 | ||
388 | void ospf6_lsa_header_print(struct ospf6_lsa *lsa) | |
389 | { | |
390 | ospf6_lsa_age_current(lsa); | |
391 | ospf6_lsa_header_print_raw(lsa->header); | |
392 | } | |
393 | ||
394 | void ospf6_lsa_show_summary_header(struct vty *vty) | |
395 | { | |
396 | vty_out(vty, "%-4s %-15s%-15s%4s %8s %30s\n", "Type", "LSId", | |
397 | "AdvRouter", "Age", "SeqNum", "Payload"); | |
398 | } | |
399 | ||
e4bacbaa YR |
400 | void ospf6_lsa_show_summary(struct vty *vty, struct ospf6_lsa *lsa, |
401 | json_object *json_array, bool use_json) | |
d62a17ae | 402 | { |
403 | char adv_router[16], id[16]; | |
404 | int type; | |
3981b5c7 | 405 | const struct ospf6_lsa_handler *handler; |
e4bacbaa | 406 | char buf[64]; |
d62a17ae | 407 | int cnt = 0; |
e4bacbaa | 408 | json_object *json_obj = NULL; |
d62a17ae | 409 | |
410 | assert(lsa); | |
411 | assert(lsa->header); | |
412 | ||
413 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
414 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
415 | sizeof(adv_router)); | |
416 | ||
417 | type = ntohs(lsa->header->type); | |
418 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
e4bacbaa YR |
419 | |
420 | if (use_json) | |
421 | json_obj = json_object_new_object(); | |
422 | ||
3e67830c | 423 | switch (type) { |
424 | case OSPF6_LSTYPE_INTER_PREFIX: | |
425 | case OSPF6_LSTYPE_INTER_ROUTER: | |
426 | case OSPF6_LSTYPE_AS_EXTERNAL: | |
e4bacbaa YR |
427 | if (use_json) { |
428 | json_object_string_add( | |
429 | json_obj, "type", | |
430 | ospf6_lstype_short_name(lsa->header->type)); | |
431 | json_object_string_add(json_obj, "lsId", id); | |
432 | json_object_string_add(json_obj, "advRouter", | |
433 | adv_router); | |
434 | json_object_int_add(json_obj, "age", | |
435 | ospf6_lsa_age_current(lsa)); | |
436 | json_object_int_add( | |
437 | json_obj, "seqNum", | |
438 | (unsigned long)ntohl(lsa->header->seqnum)); | |
439 | json_object_string_add( | |
440 | json_obj, "payload", | |
441 | handler->lh_get_prefix_str(lsa, buf, | |
442 | sizeof(buf), 0)); | |
443 | json_object_array_add(json_array, json_obj); | |
444 | } else | |
445 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n", | |
446 | ospf6_lstype_short_name(lsa->header->type), id, | |
447 | adv_router, ospf6_lsa_age_current(lsa), | |
448 | (unsigned long)ntohl(lsa->header->seqnum), | |
449 | handler->lh_get_prefix_str(lsa, buf, | |
450 | sizeof(buf), 0)); | |
3e67830c | 451 | break; |
452 | case OSPF6_LSTYPE_ROUTER: | |
453 | case OSPF6_LSTYPE_NETWORK: | |
454 | case OSPF6_LSTYPE_GROUP_MEMBERSHIP: | |
455 | case OSPF6_LSTYPE_TYPE_7: | |
456 | case OSPF6_LSTYPE_LINK: | |
457 | case OSPF6_LSTYPE_INTRA_PREFIX: | |
3981b5c7 | 458 | while (handler->lh_get_prefix_str(lsa, buf, sizeof(buf), cnt) |
d62a17ae | 459 | != NULL) { |
e4bacbaa YR |
460 | if (use_json) { |
461 | json_object_string_add( | |
462 | json_obj, "type", | |
463 | ospf6_lstype_short_name( | |
464 | lsa->header->type)); | |
465 | json_object_string_add(json_obj, "lsId", id); | |
466 | json_object_string_add(json_obj, "advRouter", | |
467 | adv_router); | |
468 | json_object_int_add(json_obj, "age", | |
469 | ospf6_lsa_age_current(lsa)); | |
470 | json_object_int_add( | |
471 | json_obj, "seqNum", | |
472 | (unsigned long)ntohl( | |
473 | lsa->header->seqnum)); | |
474 | json_object_string_add(json_obj, "payload", | |
475 | buf); | |
476 | json_object_array_add(json_array, json_obj); | |
477 | json_obj = json_object_new_object(); | |
478 | } else | |
479 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n", | |
480 | ospf6_lstype_short_name( | |
481 | lsa->header->type), | |
482 | id, adv_router, | |
483 | ospf6_lsa_age_current(lsa), | |
484 | (unsigned long)ntohl( | |
485 | lsa->header->seqnum), | |
486 | buf); | |
d62a17ae | 487 | cnt++; |
488 | } | |
e4bacbaa YR |
489 | if (use_json) |
490 | json_object_free(json_obj); | |
3e67830c | 491 | break; |
492 | default: | |
e4bacbaa YR |
493 | if (use_json) { |
494 | json_object_string_add( | |
495 | json_obj, "type", | |
496 | ospf6_lstype_short_name(lsa->header->type)); | |
497 | json_object_string_add(json_obj, "lsId", id); | |
498 | json_object_string_add(json_obj, "advRouter", | |
499 | adv_router); | |
500 | json_object_int_add(json_obj, "age", | |
501 | ospf6_lsa_age_current(lsa)); | |
502 | json_object_int_add( | |
503 | json_obj, "seqNum", | |
504 | (unsigned long)ntohl(lsa->header->seqnum)); | |
505 | json_object_array_add(json_array, json_obj); | |
506 | } else | |
507 | vty_out(vty, "%-4s %-15s%-15s%4hu %8lx\n", | |
508 | ospf6_lstype_short_name(lsa->header->type), id, | |
509 | adv_router, ospf6_lsa_age_current(lsa), | |
510 | (unsigned long)ntohl(lsa->header->seqnum)); | |
3e67830c | 511 | break; |
e68a6767 | 512 | } |
d62a17ae | 513 | } |
514 | ||
e4bacbaa YR |
515 | void ospf6_lsa_show_dump(struct vty *vty, struct ospf6_lsa *lsa, |
516 | json_object *json_array, bool use_json) | |
d62a17ae | 517 | { |
d7c0a89a | 518 | uint8_t *start, *end, *current; |
d62a17ae | 519 | char byte[4]; |
520 | ||
d7c0a89a QY |
521 | start = (uint8_t *)lsa->header; |
522 | end = (uint8_t *)lsa->header + ntohs(lsa->header->length); | |
d62a17ae | 523 | |
e4bacbaa YR |
524 | if (use_json) |
525 | return; | |
526 | ||
d62a17ae | 527 | vty_out(vty, "\n"); |
528 | vty_out(vty, "%s:\n", lsa->name); | |
529 | ||
530 | for (current = start; current < end; current++) { | |
531 | if ((current - start) % 16 == 0) | |
532 | vty_out(vty, "\n "); | |
533 | else if ((current - start) % 4 == 0) | |
534 | vty_out(vty, " "); | |
535 | ||
536 | snprintf(byte, sizeof(byte), "%02x", *current); | |
537 | vty_out(vty, "%s", byte); | |
538 | } | |
539 | ||
540 | vty_out(vty, "\n\n"); | |
e4bacbaa | 541 | |
d62a17ae | 542 | return; |
543 | } | |
544 | ||
e4bacbaa YR |
545 | void ospf6_lsa_show_internal(struct vty *vty, struct ospf6_lsa *lsa, |
546 | json_object *json_array, bool use_json) | |
d62a17ae | 547 | { |
548 | char adv_router[64], id[64]; | |
e4bacbaa | 549 | json_object *json_obj; |
d62a17ae | 550 | |
551 | assert(lsa && lsa->header); | |
552 | ||
553 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
554 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
555 | sizeof(adv_router)); | |
556 | ||
e4bacbaa YR |
557 | if (use_json) { |
558 | json_obj = json_object_new_object(); | |
559 | json_object_int_add(json_obj, "age", | |
560 | ospf6_lsa_age_current(lsa)); | |
561 | json_object_string_add(json_obj, "type", | |
562 | ospf6_lstype_name(lsa->header->type)); | |
563 | json_object_string_add(json_obj, "linkStateId", id); | |
564 | json_object_string_add(json_obj, "advertisingRouter", | |
565 | adv_router); | |
566 | json_object_int_add(json_obj, "lsSequenceNumber", | |
567 | (unsigned long)ntohl(lsa->header->seqnum)); | |
568 | json_object_int_add(json_obj, "checksum", | |
569 | ntohs(lsa->header->checksum)); | |
570 | json_object_int_add(json_obj, "length", | |
571 | ntohs(lsa->header->length)); | |
572 | json_object_int_add(json_obj, "flag", lsa->flag); | |
573 | json_object_int_add(json_obj, "lock", lsa->lock); | |
574 | json_object_int_add(json_obj, "reTxCount", lsa->retrans_count); | |
575 | ||
576 | /* Threads Data not added */ | |
577 | json_object_array_add(json_array, json_obj); | |
578 | } else { | |
579 | vty_out(vty, "\n"); | |
580 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
581 | ospf6_lstype_name(lsa->header->type)); | |
582 | vty_out(vty, "Link State ID: %s\n", id); | |
583 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
584 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
585 | (unsigned long)ntohl(lsa->header->seqnum)); | |
586 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", | |
587 | ntohs(lsa->header->checksum), | |
588 | ntohs(lsa->header->length)); | |
589 | vty_out(vty, "Flag: %x \n", lsa->flag); | |
590 | vty_out(vty, "Lock: %d \n", lsa->lock); | |
591 | vty_out(vty, "ReTx Count: %d\n", lsa->retrans_count); | |
592 | vty_out(vty, "Threads: Expire: 0x%p, Refresh: 0x%p \n", | |
593 | (void *)lsa->expire, (void *)lsa->refresh); | |
594 | vty_out(vty, "\n"); | |
595 | } | |
d62a17ae | 596 | return; |
597 | } | |
598 | ||
e4bacbaa YR |
599 | void ospf6_lsa_show(struct vty *vty, struct ospf6_lsa *lsa, |
600 | json_object *json_array, bool use_json) | |
d62a17ae | 601 | { |
602 | char adv_router[64], id[64]; | |
3981b5c7 | 603 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 604 | struct timeval now, res; |
68bfcc05 | 605 | char duration[64]; |
e4bacbaa | 606 | json_object *json_obj = NULL; |
d62a17ae | 607 | |
608 | assert(lsa && lsa->header); | |
609 | ||
610 | inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id)); | |
611 | inet_ntop(AF_INET, &lsa->header->adv_router, adv_router, | |
612 | sizeof(adv_router)); | |
613 | ||
614 | monotime(&now); | |
615 | timersub(&now, &lsa->installed, &res); | |
616 | timerstring(&res, duration, sizeof(duration)); | |
e4bacbaa YR |
617 | if (use_json) { |
618 | json_obj = json_object_new_object(); | |
619 | json_object_int_add(json_obj, "age", | |
620 | ospf6_lsa_age_current(lsa)); | |
621 | json_object_string_add(json_obj, "type", | |
622 | ospf6_lstype_name(lsa->header->type)); | |
623 | json_object_string_add(json_obj, "advertisingRouter", | |
624 | adv_router); | |
625 | json_object_int_add(json_obj, "lsSequenceNumber", | |
626 | (unsigned long)ntohl(lsa->header->seqnum)); | |
627 | json_object_int_add(json_obj, "checkSum", | |
628 | ntohs(lsa->header->checksum)); | |
629 | json_object_int_add(json_obj, "length", | |
630 | ntohs(lsa->header->length)); | |
631 | json_object_string_add(json_obj, "duration", duration); | |
632 | } else { | |
633 | vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa), | |
634 | ospf6_lstype_name(lsa->header->type)); | |
635 | vty_out(vty, "Link State ID: %s\n", id); | |
636 | vty_out(vty, "Advertising Router: %s\n", adv_router); | |
637 | vty_out(vty, "LS Sequence Number: %#010lx\n", | |
638 | (unsigned long)ntohl(lsa->header->seqnum)); | |
639 | vty_out(vty, "CheckSum: %#06hx Length: %hu\n", | |
640 | ntohs(lsa->header->checksum), | |
641 | ntohs(lsa->header->length)); | |
642 | vty_out(vty, "Duration: %s\n", duration); | |
643 | } | |
d62a17ae | 644 | |
645 | handler = ospf6_get_lsa_handler(lsa->header->type); | |
3981b5c7 VJ |
646 | |
647 | if (handler->lh_show != NULL) | |
e4bacbaa | 648 | handler->lh_show(vty, lsa, json_obj, use_json); |
3981b5c7 VJ |
649 | else { |
650 | assert(unknown_handler.lh_show != NULL); | |
e4bacbaa | 651 | unknown_handler.lh_show(vty, lsa, json_obj, use_json); |
3981b5c7 | 652 | } |
d62a17ae | 653 | |
e4bacbaa YR |
654 | if (use_json) |
655 | json_object_array_add(json_array, json_obj); | |
656 | else | |
657 | vty_out(vty, "\n"); | |
6452df09 | 658 | } |
659 | ||
771e1fbe DL |
660 | struct ospf6_lsa *ospf6_lsa_alloc(size_t lsa_length) |
661 | { | |
662 | lsa = XCALLOC(MTYPE_OSPF6_LSA, sizeof(struct ospf6_lsa)); | |
663 | lsa->header = XMALLOC(MTYPE_OSPF6_LSA_HEADER, lsa_length); | |
664 | ||
665 | return lsa; | |
666 | } | |
667 | ||
6452df09 | 668 | /* OSPFv3 LSA creation/deletion function */ |
d62a17ae | 669 | struct ospf6_lsa *ospf6_lsa_create(struct ospf6_lsa_header *header) |
718e3744 | 670 | { |
d62a17ae | 671 | struct ospf6_lsa *lsa = NULL; |
d7c0a89a | 672 | uint16_t lsa_size = 0; |
718e3744 | 673 | |
d62a17ae | 674 | /* size of the entire LSA */ |
675 | lsa_size = ntohs(header->length); /* XXX vulnerable */ | |
718e3744 | 676 | |
771e1fbe | 677 | lsa = ospf6_lsa_alloc(lsa_size); |
718e3744 | 678 | |
d62a17ae | 679 | /* copy LSA from original header */ |
771e1fbe | 680 | memcpy(lsa->header, header, lsa_size); |
718e3744 | 681 | |
d62a17ae | 682 | /* dump string */ |
683 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 684 | |
d62a17ae | 685 | /* calculate birth of this lsa */ |
686 | ospf6_lsa_age_set(lsa); | |
718e3744 | 687 | |
d62a17ae | 688 | return lsa; |
718e3744 | 689 | } |
690 | ||
d62a17ae | 691 | struct ospf6_lsa *ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header) |
718e3744 | 692 | { |
d62a17ae | 693 | struct ospf6_lsa *lsa = NULL; |
718e3744 | 694 | |
771e1fbe | 695 | lsa = ospf6_lsa_alloc(sizeof(struct ospf6_lsa_header)); |
718e3744 | 696 | |
771e1fbe | 697 | memcpy(lsa->header, header, sizeof(struct ospf6_lsa_header)); |
718e3744 | 698 | |
d62a17ae | 699 | SET_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY); |
718e3744 | 700 | |
d62a17ae | 701 | /* dump string */ |
702 | ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name)); | |
718e3744 | 703 | |
d62a17ae | 704 | /* calculate birth of this lsa */ |
705 | ospf6_lsa_age_set(lsa); | |
718e3744 | 706 | |
d62a17ae | 707 | return lsa; |
718e3744 | 708 | } |
709 | ||
d62a17ae | 710 | void ospf6_lsa_delete(struct ospf6_lsa *lsa) |
718e3744 | 711 | { |
d62a17ae | 712 | assert(lsa->lock == 0); |
718e3744 | 713 | |
d62a17ae | 714 | /* cancel threads */ |
715 | THREAD_OFF(lsa->expire); | |
716 | THREAD_OFF(lsa->refresh); | |
718e3744 | 717 | |
d62a17ae | 718 | /* do free */ |
d107621d | 719 | XFREE(MTYPE_OSPF6_LSA_HEADER, lsa->header); |
d62a17ae | 720 | XFREE(MTYPE_OSPF6_LSA, lsa); |
508e53e2 | 721 | } |
718e3744 | 722 | |
d62a17ae | 723 | struct ospf6_lsa *ospf6_lsa_copy(struct ospf6_lsa *lsa) |
508e53e2 | 724 | { |
d62a17ae | 725 | struct ospf6_lsa *copy = NULL; |
508e53e2 | 726 | |
d62a17ae | 727 | ospf6_lsa_age_current(lsa); |
728 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) | |
729 | copy = ospf6_lsa_create_headeronly(lsa->header); | |
730 | else | |
731 | copy = ospf6_lsa_create(lsa->header); | |
732 | assert(copy->lock == 0); | |
508e53e2 | 733 | |
d62a17ae | 734 | copy->birth = lsa->birth; |
735 | copy->originated = lsa->originated; | |
736 | copy->received = lsa->received; | |
737 | copy->installed = lsa->installed; | |
738 | copy->lsdb = lsa->lsdb; | |
739 | copy->rn = NULL; | |
508e53e2 | 740 | |
d62a17ae | 741 | return copy; |
718e3744 | 742 | } |
743 | ||
508e53e2 | 744 | /* increment reference counter of struct ospf6_lsa */ |
62270cc3 | 745 | struct ospf6_lsa *ospf6_lsa_lock(struct ospf6_lsa *lsa) |
718e3744 | 746 | { |
d62a17ae | 747 | lsa->lock++; |
62270cc3 | 748 | return lsa; |
718e3744 | 749 | } |
750 | ||
508e53e2 | 751 | /* decrement reference counter of struct ospf6_lsa */ |
744ba569 | 752 | struct ospf6_lsa *ospf6_lsa_unlock(struct ospf6_lsa *lsa) |
718e3744 | 753 | { |
d62a17ae | 754 | /* decrement reference counter */ |
755 | assert(lsa->lock > 0); | |
756 | lsa->lock--; | |
718e3744 | 757 | |
d62a17ae | 758 | if (lsa->lock != 0) |
744ba569 | 759 | return lsa; |
508e53e2 | 760 | |
d62a17ae | 761 | ospf6_lsa_delete(lsa); |
744ba569 | 762 | return NULL; |
718e3744 | 763 | } |
764 | ||
6b0655a2 | 765 | |
508e53e2 | 766 | /* ospf6 lsa expiry */ |
d62a17ae | 767 | int ospf6_lsa_expire(struct thread *thread) |
718e3744 | 768 | { |
d62a17ae | 769 | struct ospf6_lsa *lsa; |
beadc736 | 770 | struct ospf6 *ospf6; |
718e3744 | 771 | |
d62a17ae | 772 | lsa = (struct ospf6_lsa *)THREAD_ARG(thread); |
718e3744 | 773 | |
d62a17ae | 774 | assert(lsa && lsa->header); |
775 | assert(OSPF6_LSA_IS_MAXAGE(lsa)); | |
776 | assert(!lsa->refresh); | |
718e3744 | 777 | |
d62a17ae | 778 | lsa->expire = (struct thread *)NULL; |
718e3744 | 779 | |
d62a17ae | 780 | if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) { |
781 | zlog_debug("LSA Expire:"); | |
782 | ospf6_lsa_header_print(lsa); | |
783 | } | |
718e3744 | 784 | |
d62a17ae | 785 | if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY)) |
786 | return 0; /* dbexchange will do something ... */ | |
beadc736 | 787 | ospf6 = ospf6_get_by_lsdb(lsa); |
d62a17ae | 788 | /* reinstall lsa */ |
789 | ospf6_install_lsa(lsa); | |
508e53e2 | 790 | |
d62a17ae | 791 | /* reflood lsa */ |
792 | ospf6_flood(NULL, lsa); | |
bf986da7 | 793 | |
d62a17ae | 794 | /* schedule maxage remover */ |
795 | ospf6_maxage_remove(ospf6); | |
718e3744 | 796 | |
d62a17ae | 797 | return 0; |
718e3744 | 798 | } |
799 | ||
d62a17ae | 800 | int ospf6_lsa_refresh(struct thread *thread) |
718e3744 | 801 | { |
d62a17ae | 802 | struct ospf6_lsa *old, *self, *new; |
803 | struct ospf6_lsdb *lsdb_self; | |
6452df09 | 804 | |
d62a17ae | 805 | old = (struct ospf6_lsa *)THREAD_ARG(thread); |
806 | assert(old && old->header); | |
6452df09 | 807 | |
d62a17ae | 808 | old->refresh = (struct thread *)NULL; |
6452df09 | 809 | |
d62a17ae | 810 | lsdb_self = ospf6_get_scoped_lsdb_self(old); |
811 | self = ospf6_lsdb_lookup(old->header->type, old->header->id, | |
812 | old->header->adv_router, lsdb_self); | |
813 | if (self == NULL) { | |
814 | if (IS_OSPF6_DEBUG_LSA_TYPE(old->header->type)) | |
815 | zlog_debug("Refresh: could not find self LSA, flush %s", | |
816 | old->name); | |
817 | ospf6_lsa_premature_aging(old); | |
818 | return 0; | |
819 | } | |
718e3744 | 820 | |
d62a17ae | 821 | /* Reset age, increment LS sequence number. */ |
822 | self->header->age = htons(0); | |
823 | self->header->seqnum = | |
824 | ospf6_new_ls_seqnum(self->header->type, self->header->id, | |
825 | self->header->adv_router, old->lsdb); | |
826 | ospf6_lsa_checksum(self->header); | |
827 | ||
828 | new = ospf6_lsa_create(self->header); | |
829 | new->lsdb = old->lsdb; | |
830 | new->refresh = NULL; | |
831 | thread_add_timer(master, ospf6_lsa_refresh, new, OSPF_LS_REFRESH_TIME, | |
832 | &new->refresh); | |
833 | ||
834 | /* store it in the LSDB for self-originated LSAs */ | |
835 | ospf6_lsdb_add(ospf6_lsa_copy(new), lsdb_self); | |
836 | ||
837 | if (IS_OSPF6_DEBUG_LSA_TYPE(new->header->type)) { | |
838 | zlog_debug("LSA Refresh:"); | |
839 | ospf6_lsa_header_print(new); | |
840 | } | |
718e3744 | 841 | |
d62a17ae | 842 | ospf6_install_lsa(new); |
843 | ospf6_flood(NULL, new); | |
6452df09 | 844 | |
d62a17ae | 845 | return 0; |
718e3744 | 846 | } |
847 | ||
beadc736 | 848 | void ospf6_flush_self_originated_lsas_now(struct ospf6 *ospf6) |
76249532 CS |
849 | { |
850 | struct listnode *node; | |
851 | struct ospf6_area *oa; | |
852 | struct ospf6_lsa *lsa; | |
853 | const struct route_node *end = NULL; | |
854 | uint32_t type, adv_router; | |
855 | ||
856 | ospf6->inst_shutdown = 1; | |
857 | ||
858 | for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) { | |
996c9314 LB |
859 | end = ospf6_lsdb_head(oa->lsdb_self, 0, 0, ospf6->router_id, |
860 | &lsa); | |
76249532 CS |
861 | while (lsa) { |
862 | /* RFC 2328 (14.1): Set MAXAGE */ | |
863 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
864 | /* Flood MAXAGE LSA*/ | |
865 | ospf6_flood(NULL, lsa); | |
866 | ||
867 | lsa = ospf6_lsdb_next(end, lsa); | |
868 | } | |
869 | } | |
870 | ||
871 | type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
872 | adv_router = ospf6->router_id; | |
873 | for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, adv_router, lsa)) { | |
874 | /* RFC 2328 (14.1): Set MAXAGE */ | |
875 | lsa->header->age = htons(OSPF_LSA_MAXAGE); | |
876 | ospf6_flood(NULL, lsa); | |
877 | } | |
878 | } | |
6b0655a2 | 879 | |
d8a4e42b | 880 | /* Fletcher Checksum -- Refer to RFC1008. */ |
718e3744 | 881 | |
d8a4e42b JR |
882 | /* All the offsets are zero-based. The offsets in the RFC1008 are |
883 | one-based. */ | |
d62a17ae | 884 | unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsa_header) |
718e3744 | 885 | { |
d7c0a89a QY |
886 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
887 | int type_offset = | |
888 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 889 | |
d62a17ae | 890 | /* Skip the AGE field */ |
d7c0a89a | 891 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 892 | |
d62a17ae | 893 | /* Checksum offset starts from "type" field, not the beginning of the |
894 | lsa_header struct. The offset is 14, rather than 16. */ | |
d7c0a89a | 895 | int checksum_offset = (uint8_t *)&lsa_header->checksum - buffer; |
d8a4e42b | 896 | |
d62a17ae | 897 | return (unsigned short)fletcher_checksum(buffer, len, checksum_offset); |
d8a4e42b | 898 | } |
718e3744 | 899 | |
d62a17ae | 900 | int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsa_header) |
d8a4e42b | 901 | { |
d7c0a89a QY |
902 | uint8_t *buffer = (uint8_t *)&lsa_header->type; |
903 | int type_offset = | |
904 | buffer - (uint8_t *)&lsa_header->age; /* should be 2 */ | |
718e3744 | 905 | |
d62a17ae | 906 | /* Skip the AGE field */ |
d7c0a89a | 907 | uint16_t len = ntohs(lsa_header->length) - type_offset; |
718e3744 | 908 | |
d62a17ae | 909 | return (fletcher_checksum(buffer, len, FLETCHER_CHECKSUM_VALIDATE) |
910 | == 0); | |
718e3744 | 911 | } |
912 | ||
d62a17ae | 913 | void ospf6_lsa_init(void) |
6452df09 | 914 | { |
d62a17ae | 915 | ospf6_lsa_handler_vector = vector_init(0); |
916 | ospf6_install_lsa_handler(&unknown_handler); | |
718e3744 | 917 | } |
918 | ||
d62a17ae | 919 | void ospf6_lsa_terminate(void) |
ae2254aa | 920 | { |
d62a17ae | 921 | vector_free(ospf6_lsa_handler_vector); |
ae2254aa | 922 | } |
6b0655a2 | 923 | |
3981b5c7 | 924 | static char *ospf6_lsa_handler_name(const struct ospf6_lsa_handler *h) |
1e05838a | 925 | { |
d62a17ae | 926 | static char buf[64]; |
927 | unsigned int i; | |
3981b5c7 | 928 | unsigned int size = strlen(h->lh_name); |
1e05838a | 929 | |
996c9314 LB |
930 | if (!strcmp(h->lh_name, "unknown") |
931 | && h->lh_type != OSPF6_LSTYPE_UNKNOWN) { | |
3981b5c7 | 932 | snprintf(buf, sizeof(buf), "%#04hx", h->lh_type); |
d62a17ae | 933 | return buf; |
934 | } | |
1e05838a | 935 | |
d62a17ae | 936 | for (i = 0; i < MIN(size, sizeof(buf)); i++) { |
3981b5c7 VJ |
937 | if (!islower((unsigned char)h->lh_name[i])) |
938 | buf[i] = tolower((unsigned char)h->lh_name[i]); | |
d62a17ae | 939 | else |
3981b5c7 | 940 | buf[i] = h->lh_name[i]; |
d62a17ae | 941 | } |
942 | buf[size] = '\0'; | |
943 | return buf; | |
1e05838a | 944 | } |
718e3744 | 945 | |
1e05838a | 946 | DEFUN (debug_ospf6_lsa_type, |
947 | debug_ospf6_lsa_hex_cmd, | |
6de69f83 | 948 | "debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 949 | DEBUG_STR |
950 | OSPF6_STR | |
951 | "Debug Link State Advertisements (LSAs)\n" | |
3a2d747c QY |
952 | "Display Router LSAs\n" |
953 | "Display Network LSAs\n" | |
954 | "Display Inter-Area-Prefix LSAs\n" | |
955 | "Display Inter-Router LSAs\n" | |
956 | "Display As-External LSAs\n" | |
957 | "Display Link LSAs\n" | |
958 | "Display Intra-Area-Prefix LSAs\n" | |
959 | "Display LSAs of unknown origin\n" | |
960 | "Display details of LSAs\n" | |
961 | "Dump LSAs\n" | |
962 | "Display LSA's internal information\n") | |
508e53e2 | 963 | { |
d62a17ae | 964 | int idx_lsa = 3; |
965 | int idx_type = 4; | |
966 | unsigned int i; | |
967 | struct ospf6_lsa_handler *handler = NULL; | |
968 | ||
969 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
970 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
971 | if (handler == NULL) | |
972 | continue; | |
973 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
974 | strlen(argv[idx_lsa]->arg)) | |
975 | == 0) | |
976 | break; | |
3981b5c7 | 977 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 978 | break; |
979 | handler = NULL; | |
980 | } | |
981 | ||
982 | if (handler == NULL) | |
983 | handler = &unknown_handler; | |
984 | ||
985 | if (argc == 5) { | |
986 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd | 987 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE); |
d62a17ae | 988 | else if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 989 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 990 | else if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 991 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 992 | } else |
01db90cd | 993 | SET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 994 | |
995 | return CMD_SUCCESS; | |
508e53e2 | 996 | } |
997 | ||
1e05838a | 998 | DEFUN (no_debug_ospf6_lsa_type, |
999 | no_debug_ospf6_lsa_hex_cmd, | |
6de69f83 | 1000 | "no debug ospf6 lsa <router|network|inter-prefix|inter-router|as-external|link|intra-prefix|unknown> [<originate|examine|flooding>]", |
508e53e2 | 1001 | NO_STR |
1002 | DEBUG_STR | |
1003 | OSPF6_STR | |
1004 | "Debug Link State Advertisements (LSAs)\n" | |
16cedbb0 QY |
1005 | "Display Router LSAs\n" |
1006 | "Display Network LSAs\n" | |
1007 | "Display Inter-Area-Prefix LSAs\n" | |
3a2d747c | 1008 | "Display Inter-Router LSAs\n" |
16cedbb0 QY |
1009 | "Display As-External LSAs\n" |
1010 | "Display Link LSAs\n" | |
1011 | "Display Intra-Area-Prefix LSAs\n" | |
3a2d747c | 1012 | "Display LSAs of unknown origin\n" |
16cedbb0 QY |
1013 | "Display details of LSAs\n" |
1014 | "Dump LSAs\n" | |
1015 | "Display LSA's internal information\n") | |
508e53e2 | 1016 | { |
d62a17ae | 1017 | int idx_lsa = 4; |
1018 | int idx_type = 5; | |
d7c0a89a | 1019 | unsigned int i; |
d62a17ae | 1020 | struct ospf6_lsa_handler *handler = NULL; |
1021 | ||
1022 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
1023 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
1024 | if (handler == NULL) | |
1025 | continue; | |
1026 | if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), | |
1027 | strlen(argv[idx_lsa]->arg)) | |
1028 | == 0) | |
1029 | break; | |
3981b5c7 | 1030 | if (!strcasecmp(argv[idx_lsa]->arg, handler->lh_name)) |
d62a17ae | 1031 | break; |
1032 | } | |
718e3744 | 1033 | |
d62a17ae | 1034 | if (handler == NULL) |
1035 | return CMD_SUCCESS; | |
1036 | ||
1037 | if (argc == 6) { | |
1038 | if (strmatch(argv[idx_type]->text, "originate")) | |
01db90cd DL |
1039 | UNSET_FLAG(handler->lh_debug, |
1040 | OSPF6_LSA_DEBUG_ORIGINATE); | |
d62a17ae | 1041 | if (strmatch(argv[idx_type]->text, "examine")) |
01db90cd | 1042 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN); |
d62a17ae | 1043 | if (strmatch(argv[idx_type]->text, "flooding")) |
01db90cd | 1044 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD); |
d62a17ae | 1045 | } else |
01db90cd | 1046 | UNSET_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG); |
d62a17ae | 1047 | |
1048 | return CMD_SUCCESS; | |
1049 | } | |
1050 | ||
1051 | void install_element_ospf6_debug_lsa(void) | |
1052 | { | |
1053 | install_element(ENABLE_NODE, &debug_ospf6_lsa_hex_cmd); | |
1054 | install_element(ENABLE_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
1055 | install_element(CONFIG_NODE, &debug_ospf6_lsa_hex_cmd); | |
1056 | install_element(CONFIG_NODE, &no_debug_ospf6_lsa_hex_cmd); | |
1057 | } | |
1058 | ||
1059 | int config_write_ospf6_debug_lsa(struct vty *vty) | |
1060 | { | |
d7c0a89a | 1061 | unsigned int i; |
3981b5c7 | 1062 | const struct ospf6_lsa_handler *handler; |
d62a17ae | 1063 | |
1064 | for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) { | |
1065 | handler = vector_slot(ospf6_lsa_handler_vector, i); | |
1066 | if (handler == NULL) | |
1067 | continue; | |
01db90cd | 1068 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG)) |
d62a17ae | 1069 | vty_out(vty, "debug ospf6 lsa %s\n", |
1070 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1071 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_ORIGINATE)) |
d62a17ae | 1072 | vty_out(vty, "debug ospf6 lsa %s originate\n", |
1073 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1074 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_EXAMIN)) |
d62a17ae | 1075 | vty_out(vty, "debug ospf6 lsa %s examine\n", |
1076 | ospf6_lsa_handler_name(handler)); | |
01db90cd | 1077 | if (CHECK_FLAG(handler->lh_debug, OSPF6_LSA_DEBUG_FLOOD)) |
d62a17ae | 1078 | vty_out(vty, "debug ospf6 lsa %s flooding\n", |
1079 | ospf6_lsa_handler_name(handler)); | |
1080 | } | |
718e3744 | 1081 | |
d62a17ae | 1082 | return 0; |
1083 | } |