]>
Commit | Line | Data |
---|---|---|
132a782e | 1 | /* |
2 | * ospf_ldp_sync.c: OSPF LDP-IGP Sync handling routines | |
3 | * Copyright (C) 2020 Volta Networks, Inc. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the Free | |
7 | * Software Foundation; either version 2 of the License, or (at your option) | |
8 | * any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <zebra.h> | |
21 | #include <string.h> | |
22 | ||
23 | #include "monotime.h" | |
24 | #include "memory.h" | |
25 | #include "thread.h" | |
26 | #include "prefix.h" | |
27 | #include "table.h" | |
28 | #include "vty.h" | |
29 | #include "command.h" | |
30 | #include "plist.h" | |
31 | #include "log.h" | |
32 | #include "zclient.h" | |
33 | #include <lib/json.h> | |
34 | #include "defaults.h" | |
35 | #include "ldp_sync.h" | |
36 | ||
37 | #include "ospfd.h" | |
38 | #include "ospf_interface.h" | |
39 | #include "ospf_vty.h" | |
40 | #include "ospf_ldp_sync.h" | |
41 | #include "ospf_dump.h" | |
42 | #include "ospf_ism.h" | |
43 | ||
44 | extern struct zclient *zclient; | |
45 | ||
46 | /* | |
47 | * LDP-SYNC msg between IGP and LDP | |
48 | */ | |
49 | int ospf_ldp_sync_state_update(struct ldp_igp_sync_if_state state) | |
50 | { | |
51 | struct ospf *ospf; | |
52 | struct interface *ifp; | |
53 | ||
54 | /* if ospf is not enabled or LDP-SYNC is not configured ignore */ | |
55 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
56 | if (ospf == NULL || | |
57 | !CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) | |
58 | return 0; | |
59 | ||
60 | /* received ldp-sync interface state from LDP */ | |
61 | ifp = if_lookup_by_index(state.ifindex, VRF_DEFAULT); | |
62 | if (ifp == NULL || if_is_loopback(ifp)) | |
63 | return 0; | |
64 | ||
65 | ols_debug("ldp_sync: rcvd %s from LDP if %s", | |
66 | state.sync_start ? "sync-start" : "sync-complete", | |
67 | ifp->name); | |
68 | if (state.sync_start) | |
69 | ospf_ldp_sync_if_start(ifp, false); | |
70 | else | |
71 | ospf_ldp_sync_if_complete(ifp); | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | int ospf_ldp_sync_announce_update(struct ldp_igp_sync_announce announce) | |
77 | { | |
78 | struct ospf *ospf; | |
79 | struct vrf *vrf; | |
80 | struct interface *ifp; | |
81 | ||
82 | /* if ospf is not enabled or LDP-SYNC is not configured ignore */ | |
83 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
84 | if (ospf == NULL || | |
85 | !CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) | |
86 | return 0; | |
87 | ||
88 | if (announce.proto != ZEBRA_ROUTE_LDP) | |
89 | return 0; | |
90 | ||
91 | ols_debug("ldp_sync: rcvd announce from LDP"); | |
92 | ||
93 | /* LDP just started up: | |
94 | * set cost to LSInfinity | |
95 | * send request to LDP for LDP-SYNC state for each interface | |
132a782e | 96 | */ |
97 | vrf = vrf_lookup_by_id(ospf->vrf_id); | |
98 | FOR_ALL_INTERFACES (vrf, ifp) | |
99 | ospf_ldp_sync_if_start(ifp, true); | |
100 | ||
132a782e | 101 | return 0; |
102 | } | |
103 | ||
104 | void ospf_ldp_sync_state_req_msg(struct interface *ifp) | |
105 | { | |
106 | struct ldp_igp_sync_if_state_req request; | |
107 | ||
108 | ols_debug("ldp_sync: send state request to LDP for %s", ifp->name); | |
109 | ||
dd53fd08 | 110 | memset(&request, 0, sizeof(request)); |
132a782e | 111 | strlcpy(request.name, ifp->name, sizeof(ifp->name)); |
112 | request.proto = LDP_IGP_SYNC_IF_STATE_REQUEST; | |
113 | request.ifindex = ifp->ifindex; | |
114 | ||
115 | zclient_send_opaque(zclient, LDP_IGP_SYNC_IF_STATE_REQUEST, | |
116 | (uint8_t *)&request, sizeof(request)); | |
117 | } | |
118 | ||
119 | /* | |
120 | * LDP-SYNC general interface routines | |
121 | */ | |
122 | void ospf_ldp_sync_if_init(struct ospf_interface *oi) | |
123 | { | |
124 | struct ospf_if_params *params; | |
125 | struct ldp_sync_info *ldp_sync_info; | |
126 | struct interface *ifp = oi->ifp; | |
127 | ||
128 | /* called when OSPF is configured on an interface: | |
129 | * if LDP-IGP Sync is configured globally set state | |
130 | * if ptop interface inform LDP LDP-SYNC is enabled | |
131 | */ | |
132 | if (if_is_loopback(ifp) || (ifp->vrf_id != VRF_DEFAULT) || | |
133 | !(CHECK_FLAG(oi->ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE))) | |
134 | return; | |
135 | ||
136 | ols_debug("ldp_sync: init if %s",ifp->name); | |
137 | params = IF_DEF_PARAMS(ifp); | |
138 | if (params->ldp_sync_info == NULL) | |
139 | params->ldp_sync_info = ldp_sync_info_create(); | |
140 | ||
141 | ldp_sync_info = params->ldp_sync_info; | |
142 | ||
143 | /* specifed on interface overrides global config. */ | |
144 | if (!CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN)) | |
145 | ldp_sync_info->holddown = oi->ospf->ldp_sync_cmd.holddown; | |
146 | ||
147 | if (!CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG)) | |
148 | ldp_sync_info->enabled = LDP_IGP_SYNC_ENABLED; | |
149 | ||
150 | if ((params->type == OSPF_IFTYPE_POINTOPOINT || | |
151 | if_is_pointopoint(ifp)) && | |
152 | ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED) | |
153 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; | |
154 | } | |
155 | ||
156 | void ospf_ldp_sync_if_start(struct interface *ifp, bool send_state_req) | |
157 | { | |
158 | struct ospf_if_params *params; | |
159 | struct ldp_sync_info *ldp_sync_info; | |
160 | ||
161 | if (if_is_loopback(ifp)) | |
162 | return; | |
163 | ||
164 | params = IF_DEF_PARAMS(ifp); | |
165 | ldp_sync_info = params->ldp_sync_info; | |
166 | ||
167 | /* Start LDP-SYNC on this interface: | |
168 | * set cost of interface to LSInfinity so traffic will use different | |
169 | * interface until LDP has learned all labels from peer | |
170 | * start holddown timer if configured | |
171 | * send msg to LDP to get LDP-SYNC state | |
172 | */ | |
173 | if (ldp_sync_info && | |
174 | ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED && | |
175 | ldp_sync_info->state != LDP_IGP_SYNC_STATE_NOT_REQUIRED) { | |
176 | ols_debug("ldp_sync: start on if %s state: %s", | |
177 | ifp->name, "Holding down until Sync"); | |
178 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; | |
179 | ospf_if_recalculate_output_cost(ifp); | |
180 | ospf_ldp_sync_holddown_timer_add(ifp); | |
181 | ||
182 | if (send_state_req) | |
183 | ospf_ldp_sync_state_req_msg(ifp); | |
184 | } | |
185 | } | |
186 | ||
187 | void ospf_ldp_sync_if_complete(struct interface *ifp) | |
188 | { | |
189 | struct ospf_if_params *params; | |
190 | struct ldp_sync_info *ldp_sync_info; | |
191 | ||
192 | if (if_is_loopback(ifp)) | |
193 | return; | |
194 | ||
195 | params = IF_DEF_PARAMS(ifp); | |
196 | ldp_sync_info = params->ldp_sync_info; | |
197 | ||
198 | /* received sync-complete from LDP: | |
199 | * set state to up | |
200 | * stop timer | |
201 | * restore interface cost to original value | |
202 | */ | |
203 | if (ldp_sync_info && ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED) { | |
204 | if (ldp_sync_info->state == LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP) | |
205 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_UP; | |
50478845 | 206 | THREAD_OFF(ldp_sync_info->t_holddown); |
132a782e | 207 | ospf_if_recalculate_output_cost(ifp); |
208 | } | |
209 | } | |
210 | ||
cb135cc9 KS |
211 | void ospf_ldp_sync_handle_client_close(struct zapi_client_close_info *info) |
212 | { | |
213 | struct ospf *ospf; | |
214 | struct vrf *vrf; | |
215 | struct interface *ifp; | |
216 | ||
217 | /* if ospf is not enabled or LDP-SYNC is not configured ignore */ | |
218 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
219 | if (ospf == NULL | |
220 | || !CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) | |
221 | return; | |
222 | ||
223 | /* Check if the LDP main client session closed */ | |
224 | if (info->proto != ZEBRA_ROUTE_LDP || info->session_id == 0) | |
225 | return; | |
226 | ||
227 | /* Handle the zebra notification that the LDP client session closed. | |
228 | * set cost to LSInfinity | |
229 | * send request to LDP for LDP-SYNC state for each interface | |
230 | */ | |
231 | zlog_err("ldp_sync: LDP down"); | |
232 | ||
233 | vrf = vrf_lookup_by_id(ospf->vrf_id); | |
234 | FOR_ALL_INTERFACES (vrf, ifp) | |
c3783ac0 | 235 | ospf_ldp_sync_ldp_fail(ifp); |
cb135cc9 KS |
236 | } |
237 | ||
132a782e | 238 | void ospf_ldp_sync_ldp_fail(struct interface *ifp) |
239 | { | |
240 | struct ospf_if_params *params; | |
241 | struct ldp_sync_info *ldp_sync_info; | |
242 | ||
243 | if (if_is_loopback(ifp)) | |
244 | return; | |
245 | ||
246 | params = IF_DEF_PARAMS(ifp); | |
247 | ldp_sync_info = params->ldp_sync_info; | |
248 | ||
cb135cc9 | 249 | /* LDP client close detected: |
132a782e | 250 | * stop holddown timer |
251 | * set cost of interface to LSInfinity so traffic will use different | |
252 | * interface until LDP has learned all labels from peer | |
253 | */ | |
254 | if (ldp_sync_info && | |
255 | ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED && | |
256 | ldp_sync_info->state != LDP_IGP_SYNC_STATE_NOT_REQUIRED) { | |
50478845 | 257 | THREAD_OFF(ldp_sync_info->t_holddown); |
132a782e | 258 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; |
259 | ospf_if_recalculate_output_cost(ifp); | |
260 | } | |
261 | } | |
262 | ||
263 | void ospf_ldp_sync_if_down(struct interface *ifp) | |
264 | { | |
265 | struct ospf_if_params *params; | |
266 | struct ldp_sync_info *ldp_sync_info; | |
267 | ||
268 | if (if_is_loopback(ifp)) | |
269 | return; | |
270 | ||
271 | params = IF_DEF_PARAMS(ifp); | |
272 | ldp_sync_info = params->ldp_sync_info; | |
273 | ||
274 | if (ldp_sync_if_down(ldp_sync_info) == false) | |
275 | return; | |
276 | ||
277 | ols_debug("ldp_sync: down on if %s", ifp->name); | |
278 | ||
279 | /* Interface down: | |
280 | * can occur from a link down or changing config | |
281 | * ospf network type change interface is brought down/up | |
282 | */ | |
283 | switch (ldp_sync_info->state) { | |
284 | case LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP: | |
285 | case LDP_IGP_SYNC_STATE_REQUIRED_UP: | |
286 | if (params->type != OSPF_IFTYPE_POINTOPOINT && | |
287 | !if_is_pointopoint(ifp)) | |
288 | /* LDP-SYNC not able to run on non-ptop interface */ | |
289 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED; | |
290 | break; | |
291 | case LDP_IGP_SYNC_STATE_NOT_REQUIRED: | |
292 | if (params->type == OSPF_IFTYPE_POINTOPOINT || | |
293 | if_is_pointopoint(ifp)) | |
294 | /* LDP-SYNC is able to run on ptop interface */ | |
295 | ldp_sync_info->state = | |
296 | LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; | |
297 | break; | |
298 | default: | |
299 | break; | |
300 | } | |
301 | } | |
302 | ||
303 | void ospf_ldp_sync_if_remove(struct interface *ifp, bool remove) | |
304 | { | |
305 | struct ospf_if_params *params; | |
306 | struct ldp_sync_info *ldp_sync_info; | |
307 | ||
308 | params = IF_DEF_PARAMS(ifp); | |
309 | if (params->ldp_sync_info == NULL) | |
310 | return; | |
311 | ||
312 | ldp_sync_info = params->ldp_sync_info; | |
313 | ||
314 | /* Stop LDP-SYNC on this interface: | |
315 | * if holddown timer is running stop it | |
316 | * delete ldp instance on interface | |
317 | * restore cost | |
318 | */ | |
319 | ols_debug("ldp_sync: Removed from if %s", ifp->name); | |
50478845 MS |
320 | |
321 | THREAD_OFF(ldp_sync_info->t_holddown); | |
322 | ||
132a782e | 323 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED; |
324 | ospf_if_recalculate_output_cost(ifp); | |
325 | if (!CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG)) | |
326 | ldp_sync_info->enabled = LDP_IGP_SYNC_DEFAULT; | |
327 | if (remove) { | |
328 | ldp_sync_info_free((struct ldp_sync_info **)&(ldp_sync_info)); | |
329 | params->ldp_sync_info = NULL; | |
330 | } | |
331 | } | |
332 | ||
333 | static int ospf_ldp_sync_ism_change(struct ospf_interface *oi, int state, | |
334 | int old_state) | |
335 | { | |
336 | /* Terminal state or regression */ | |
337 | switch (state) { | |
338 | case ISM_PointToPoint: | |
339 | /* If LDP-SYNC is configure on interface then start */ | |
340 | ospf_ldp_sync_if_start(oi->ifp, true); | |
341 | break; | |
342 | case ISM_Down: | |
343 | /* If LDP-SYNC is configure on this interface then stop it */ | |
344 | ospf_ldp_sync_if_down(oi->ifp); | |
345 | break; | |
346 | default: | |
347 | break; | |
348 | } | |
349 | return 0; | |
350 | } | |
351 | ||
352 | /* | |
353 | * LDP-SYNC holddown timer routines | |
354 | */ | |
355 | static int ospf_ldp_sync_holddown_timer(struct thread *thread) | |
356 | { | |
357 | struct interface *ifp; | |
358 | struct ospf_if_params *params; | |
359 | struct ldp_sync_info *ldp_sync_info; | |
360 | ||
361 | /* holddown timer expired: | |
362 | * didn't receive msg from LDP indicating sync-complete | |
363 | * restore interface cost to original value | |
364 | */ | |
365 | ifp = THREAD_ARG(thread); | |
366 | params = IF_DEF_PARAMS(ifp); | |
367 | if (params->ldp_sync_info) { | |
368 | ldp_sync_info = params->ldp_sync_info; | |
369 | ||
370 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_UP; | |
132a782e | 371 | |
372 | ols_debug("ldp_sync: holddown timer expired for %s state: %s", | |
373 | ifp->name, "Sync achieved"); | |
374 | ||
375 | ospf_if_recalculate_output_cost(ifp); | |
376 | } | |
377 | return 0; | |
378 | } | |
379 | ||
380 | void ospf_ldp_sync_holddown_timer_add(struct interface *ifp) | |
381 | { | |
382 | struct ospf_if_params *params; | |
383 | struct ldp_sync_info *ldp_sync_info; | |
384 | ||
385 | params = IF_DEF_PARAMS(ifp); | |
386 | ldp_sync_info = params->ldp_sync_info; | |
387 | ||
388 | /* Start holddown timer: | |
389 | * this timer is used to keep interface cost at LSInfinity | |
390 | * once expires returns cost to original value | |
391 | * if timer is already running or holddown time is off just return | |
392 | */ | |
393 | if (ldp_sync_info->t_holddown || | |
394 | ldp_sync_info->holddown == LDP_IGP_SYNC_HOLDDOWN_DEFAULT) | |
395 | return; | |
396 | ||
397 | ols_debug("ldp_sync: start holddown timer for %s time %d", | |
398 | ifp->name, ldp_sync_info->holddown); | |
399 | ||
400 | thread_add_timer(master, ospf_ldp_sync_holddown_timer, | |
401 | ifp, ldp_sync_info->holddown, | |
402 | &ldp_sync_info->t_holddown); | |
403 | } | |
404 | ||
132a782e | 405 | /* |
406 | * LDP-SYNC exit routes. | |
407 | */ | |
408 | void ospf_ldp_sync_gbl_exit(struct ospf *ospf, bool remove) | |
409 | { | |
410 | struct interface *ifp; | |
411 | struct vrf *vrf; | |
412 | ||
413 | /* ospf is being removed | |
132a782e | 414 | * stop any holddown timers |
415 | */ | |
416 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) { | |
417 | /* unregister with opaque client to recv LDP-IGP Sync msgs */ | |
418 | zclient_unregister_opaque(zclient, | |
419 | LDP_IGP_SYNC_IF_STATE_UPDATE); | |
420 | zclient_unregister_opaque(zclient, | |
421 | LDP_IGP_SYNC_ANNOUNCE_UPDATE); | |
132a782e | 422 | |
423 | /* disable LDP globally */ | |
424 | UNSET_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE); | |
425 | UNSET_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN); | |
426 | ospf->ldp_sync_cmd.holddown = LDP_IGP_SYNC_HOLDDOWN_DEFAULT; | |
50478845 | 427 | |
132a782e | 428 | /* turn off LDP-IGP Sync on all OSPF interfaces */ |
429 | vrf = vrf_lookup_by_id(ospf->vrf_id); | |
430 | FOR_ALL_INTERFACES (vrf, ifp) | |
431 | ospf_ldp_sync_if_remove(ifp, remove); | |
432 | } | |
433 | } | |
434 | ||
435 | /* | |
436 | * LDP-SYNC routes used by set commands. | |
437 | */ | |
438 | void ospf_if_set_ldp_sync_enable(struct ospf *ospf, struct interface *ifp) | |
439 | { | |
440 | struct ospf_if_params *params; | |
441 | struct ldp_sync_info *ldp_sync_info; | |
442 | ||
443 | /* called when setting LDP-SYNC at the global level: | |
444 | * specifed on interface overrides global config | |
445 | * if ptop link send msg to LDP indicating ldp-sync enabled | |
446 | */ | |
447 | if (if_is_loopback(ifp)) | |
448 | return; | |
449 | ||
450 | params = IF_DEF_PARAMS(ifp); | |
451 | if (params->ldp_sync_info == NULL) | |
452 | params->ldp_sync_info = ldp_sync_info_create(); | |
453 | ldp_sync_info = params->ldp_sync_info; | |
454 | ||
455 | /* config on interface, overrides global config. */ | |
456 | if (CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG)) | |
457 | if (ldp_sync_info->enabled != LDP_IGP_SYNC_ENABLED) | |
458 | return; | |
459 | ||
460 | ldp_sync_info->enabled = LDP_IGP_SYNC_ENABLED; | |
461 | ||
462 | ols_debug("ldp_sync: enable if %s", ifp->name); | |
463 | ||
464 | /* send message to LDP if ptop link */ | |
465 | if (params->type == OSPF_IFTYPE_POINTOPOINT || | |
466 | if_is_pointopoint(ifp)) { | |
467 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; | |
468 | ospf_ldp_sync_state_req_msg(ifp); | |
469 | } else { | |
470 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED; | |
471 | zlog_debug("ldp_sync: Sync only runs on P2P links %s", | |
472 | ifp->name); | |
473 | } | |
474 | } | |
475 | ||
476 | void ospf_if_set_ldp_sync_holddown(struct ospf *ospf, struct interface *ifp) | |
477 | { | |
478 | struct ospf_if_params *params; | |
479 | struct ldp_sync_info *ldp_sync_info; | |
480 | ||
481 | /* called when setting LDP-SYNC at the global level: | |
482 | * specifed on interface overrides global config. | |
483 | */ | |
484 | if (if_is_loopback(ifp)) | |
485 | return; | |
486 | ||
487 | params = IF_DEF_PARAMS(ifp); | |
488 | if (params->ldp_sync_info == NULL) | |
489 | params->ldp_sync_info = ldp_sync_info_create(); | |
490 | ldp_sync_info = params->ldp_sync_info; | |
491 | ||
492 | /* config on interface, overrides global config. */ | |
493 | if (CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN)) | |
494 | return; | |
495 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN)) | |
496 | ldp_sync_info->holddown = ospf->ldp_sync_cmd.holddown; | |
497 | else | |
498 | ldp_sync_info->holddown = LDP_IGP_SYNC_HOLDDOWN_DEFAULT; | |
499 | } | |
500 | ||
501 | /* | |
502 | * LDP-SYNC routines used by show commands. | |
503 | */ | |
504 | ||
505 | void ospf_ldp_sync_show_info(struct vty *vty, struct ospf *ospf, | |
506 | json_object *json_vrf, bool use_json) | |
507 | { | |
508 | ||
509 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) { | |
510 | if (use_json) { | |
511 | json_object_boolean_true_add(json_vrf, | |
512 | "MplsLdpIgpSyncEnabled"); | |
513 | json_object_int_add(json_vrf, "MplsLdpIgpSyncHolddown", | |
514 | ospf->ldp_sync_cmd.holddown); | |
515 | } else { | |
516 | vty_out(vty, " MPLS LDP-IGP Sync is enabled\n"); | |
517 | if (ospf->ldp_sync_cmd.holddown == 0) | |
518 | vty_out(vty, | |
519 | " MPLS LDP-IGP Sync holddown timer is disabled\n"); | |
520 | else | |
521 | vty_out(vty, | |
522 | " MPLS LDP-IGP Sync holddown timer %d sec\n", | |
523 | ospf->ldp_sync_cmd.holddown); | |
524 | } | |
525 | } | |
526 | } | |
527 | ||
528 | static void show_ip_ospf_mpls_ldp_interface_sub(struct vty *vty, | |
529 | struct ospf_interface *oi, | |
530 | struct interface *ifp, | |
531 | json_object *json_interface_sub, | |
532 | bool use_json) | |
533 | { | |
534 | const char *ldp_state; | |
535 | struct ospf_if_params *params; | |
536 | char timebuf[OSPF_TIME_DUMP_SIZE]; | |
537 | struct ldp_sync_info *ldp_sync_info; | |
538 | ||
539 | params = IF_DEF_PARAMS(oi->ifp); | |
540 | if (params->ldp_sync_info == NULL) | |
541 | return; | |
542 | ||
543 | ldp_sync_info = params->ldp_sync_info; | |
544 | if (use_json) { | |
545 | if (ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED) | |
546 | json_object_boolean_true_add(json_interface_sub, | |
547 | "ldpIgpSyncEnabled"); | |
548 | else | |
549 | json_object_boolean_false_add(json_interface_sub, | |
550 | "ldpIgpSyncEnabled"); | |
551 | ||
552 | json_object_int_add(json_interface_sub, "holdDownTimeInSec", | |
553 | ldp_sync_info->holddown); | |
554 | ||
555 | } else { | |
556 | vty_out(vty, "%-10s\n", ifp->name); | |
557 | vty_out(vty, " LDP-IGP Synchronization enabled: %s\n", | |
558 | ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED | |
559 | ? "yes" | |
560 | : "no"); | |
561 | vty_out(vty, " Holddown timer in seconds: %u\n", | |
562 | ldp_sync_info->holddown); | |
563 | } | |
564 | ||
565 | switch (ldp_sync_info->state) { | |
566 | case LDP_IGP_SYNC_STATE_REQUIRED_UP: | |
567 | if (use_json) | |
568 | json_object_string_add(json_interface_sub, | |
569 | "ldpIgpSyncState", | |
570 | "Sync achieved"); | |
571 | else | |
572 | vty_out(vty, " State: Sync achieved\n"); | |
573 | break; | |
574 | case LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP: | |
575 | if (ldp_sync_info->t_holddown != NULL) { | |
576 | if (use_json) { | |
577 | long time_store; | |
578 | ||
579 | time_store = monotime_until( | |
580 | &ldp_sync_info->t_holddown->u.sands, | |
581 | NULL) | |
582 | /1000LL; | |
583 | ||
584 | json_object_int_add(json_interface_sub, | |
585 | "ldpIgpSyncTimeRemainInMsec", | |
586 | time_store); | |
587 | ||
588 | json_object_string_add(json_interface_sub, | |
589 | "ldpIgpSyncState", | |
590 | "Holding down until Sync"); | |
591 | } else { | |
592 | vty_out(vty, | |
593 | " Holddown timer is running %s remaining\n", | |
594 | ospf_timer_dump( | |
595 | ldp_sync_info->t_holddown, | |
596 | timebuf, | |
597 | sizeof(timebuf))); | |
598 | ||
599 | vty_out(vty, | |
600 | " State: Holding down until Sync\n"); | |
601 | } | |
602 | } else { | |
603 | if (use_json) | |
604 | json_object_string_add(json_interface_sub, | |
605 | "ldpIgpSyncState", | |
606 | "Sync not achieved"); | |
607 | else | |
608 | vty_out(vty, " State: Sync not achieved\n"); | |
609 | } | |
610 | break; | |
611 | case LDP_IGP_SYNC_STATE_NOT_REQUIRED: | |
612 | default: | |
613 | if (IF_DEF_PARAMS(ifp)->type != OSPF_IFTYPE_POINTOPOINT && | |
614 | !if_is_pointopoint(ifp)) | |
615 | ldp_state = "Sync not required: non-p2p link"; | |
616 | else | |
617 | ldp_state = "Sync not required"; | |
618 | ||
619 | if (use_json) | |
620 | json_object_string_add(json_interface_sub, | |
621 | "ldpIgpSyncState", | |
622 | ldp_state); | |
623 | else | |
624 | vty_out(vty, " State: %s\n", ldp_state); | |
625 | break; | |
626 | } | |
627 | } | |
628 | ||
629 | static int show_ip_ospf_mpls_ldp_interface_common(struct vty *vty, | |
630 | struct ospf *ospf, | |
631 | char *intf_name, | |
632 | json_object *json, | |
633 | bool use_json) | |
634 | { | |
635 | struct interface *ifp; | |
636 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); | |
637 | json_object *json_interface_sub = NULL; | |
638 | ||
639 | if (intf_name == NULL) { | |
640 | /* Show All Interfaces.*/ | |
641 | FOR_ALL_INTERFACES (vrf, ifp) { | |
642 | struct route_node *rn; | |
643 | struct ospf_interface *oi; | |
644 | ||
9919bec7 | 645 | if (ospf_oi_count(ifp) == 0 && !use_json) { |
646 | if (!if_is_up(ifp)) | |
647 | vty_out(vty, "%s\n Interface down\n", | |
648 | ifp->name); | |
132a782e | 649 | continue; |
9919bec7 | 650 | } |
132a782e | 651 | for (rn = route_top(IF_OIFS(ifp)); rn; |
652 | rn = route_next(rn)) { | |
653 | oi = rn->info; | |
654 | ||
655 | if (use_json) { | |
656 | json_interface_sub = | |
657 | json_object_new_object(); | |
658 | } | |
659 | show_ip_ospf_mpls_ldp_interface_sub( | |
660 | vty, oi, ifp, json_interface_sub, | |
661 | use_json); | |
662 | ||
663 | if (use_json) { | |
664 | json_object_object_add( | |
665 | json, ifp->name, | |
666 | json_interface_sub); | |
667 | } | |
668 | } | |
669 | } | |
670 | } else { | |
671 | /* Interface name is specified. */ | |
672 | ifp = if_lookup_by_name(intf_name, ospf->vrf_id); | |
673 | if (ifp != NULL) { | |
674 | struct route_node *rn; | |
675 | struct ospf_interface *oi; | |
676 | ||
677 | if (ospf_oi_count(ifp) == 0 && !use_json) { | |
9919bec7 | 678 | if (if_is_up(ifp)) |
679 | vty_out(vty, "%s\n OSPF not enabled\n", | |
680 | ifp->name); | |
681 | else | |
682 | vty_out(vty, "%s\n Interface down\n", | |
683 | ifp->name); | |
132a782e | 684 | return CMD_SUCCESS; |
685 | } | |
686 | for (rn = route_top(IF_OIFS(ifp)); rn; | |
687 | rn = route_next(rn)) { | |
688 | oi = rn->info; | |
689 | ||
690 | if (use_json) | |
691 | json_interface_sub = | |
692 | json_object_new_object(); | |
693 | ||
694 | show_ip_ospf_mpls_ldp_interface_sub( | |
695 | vty, oi, ifp, json_interface_sub, | |
696 | use_json); | |
697 | ||
698 | if (use_json) { | |
699 | json_object_object_add( | |
700 | json, ifp->name, | |
701 | json_interface_sub); | |
702 | } | |
703 | } | |
704 | } | |
705 | } | |
706 | return CMD_SUCCESS; | |
707 | } | |
708 | ||
709 | /* | |
710 | * Write the global LDP-SYNC configuration. | |
711 | */ | |
712 | void ospf_ldp_sync_write_config(struct vty *vty, struct ospf *ospf) | |
713 | { | |
714 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) | |
715 | vty_out(vty, " mpls ldp-sync\n"); | |
716 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN)) | |
717 | vty_out(vty, " mpls ldp-sync holddown %u\n", | |
718 | ospf->ldp_sync_cmd.holddown); | |
719 | } | |
720 | ||
721 | /* | |
722 | * Write the interface LDP-SYNC configuration. | |
723 | */ | |
724 | void ospf_ldp_sync_if_write_config(struct vty *vty, | |
725 | struct ospf_if_params *params) | |
726 | ||
727 | { | |
728 | struct ldp_sync_info *ldp_sync_info; | |
729 | ||
730 | ldp_sync_info = params->ldp_sync_info; | |
731 | if (ldp_sync_info == NULL) | |
732 | return; | |
733 | ||
734 | if (CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG)) { | |
735 | if (ldp_sync_info->enabled == LDP_IGP_SYNC_ENABLED) | |
736 | vty_out(vty, " ip ospf mpls ldp-sync\n"); | |
737 | else | |
738 | vty_out(vty, " no ip ospf mpls ldp-sync\n"); | |
739 | } | |
740 | if (CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN)) | |
741 | vty_out(vty, " ip ospf mpls ldp-sync holddown %u\n", | |
742 | ldp_sync_info->holddown); | |
743 | } | |
744 | ||
745 | /* | |
746 | * LDP-SYNC commands. | |
747 | */ | |
748 | #ifndef VTYSH_EXTRACT_PL | |
749 | #include "ospfd/ospf_ldp_sync_clippy.c" | |
750 | #endif | |
751 | ||
752 | DEFPY (ospf_mpls_ldp_sync, | |
753 | ospf_mpls_ldp_sync_cmd, | |
754 | "mpls ldp-sync", | |
755 | "MPLS specific commands\n" | |
756 | "Enable MPLS LDP-IGP Sync\n") | |
757 | { | |
758 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); | |
759 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); | |
760 | struct interface *ifp; | |
761 | ||
762 | if (ospf->vrf_id != VRF_DEFAULT) { | |
763 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
764 | return CMD_ERR_NOTHING_TODO; | |
765 | } | |
766 | ||
767 | /* register with opaque client to recv LDP-IGP Sync msgs */ | |
768 | zclient_register_opaque(zclient, LDP_IGP_SYNC_IF_STATE_UPDATE); | |
769 | zclient_register_opaque(zclient, LDP_IGP_SYNC_ANNOUNCE_UPDATE); | |
132a782e | 770 | |
771 | if (!CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) { | |
772 | SET_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE); | |
773 | /* turn on LDP-IGP Sync on all ptop OSPF interfaces */ | |
774 | FOR_ALL_INTERFACES (vrf, ifp) | |
775 | ospf_if_set_ldp_sync_enable(ospf, ifp); | |
776 | } | |
777 | return CMD_SUCCESS; | |
778 | } | |
779 | ||
780 | DEFPY (no_ospf_mpls_ldp_sync, | |
781 | no_ospf_mpls_ldp_sync_cmd, | |
782 | "no mpls ldp-sync", | |
783 | NO_STR | |
784 | "MPLS specific commands\n" | |
785 | "Disable MPLS LDP-IGP Sync\n") | |
786 | { | |
787 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); | |
788 | ospf_ldp_sync_gbl_exit(ospf, false); | |
789 | return CMD_SUCCESS; | |
790 | } | |
791 | ||
792 | DEFPY (ospf_mpls_ldp_sync_holddown, | |
793 | ospf_mpls_ldp_sync_holddown_cmd, | |
794 | "mpls ldp-sync holddown (1-10000)", | |
795 | "MPLS specific commands\n" | |
796 | "Enable MPLS LDP-IGP Sync\n" | |
797 | "Set holddown timer\n" | |
798 | "seconds\n") | |
799 | { | |
800 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); | |
801 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); | |
802 | struct interface *ifp; | |
803 | ||
804 | if (ospf->vrf_id != VRF_DEFAULT) { | |
805 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
806 | return CMD_ERR_NOTHING_TODO; | |
807 | } | |
808 | ||
809 | SET_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN); | |
810 | ospf->ldp_sync_cmd.holddown = holddown; | |
811 | /* set holddown time on all OSPF interfaces */ | |
812 | FOR_ALL_INTERFACES (vrf, ifp) | |
813 | ospf_if_set_ldp_sync_holddown(ospf, ifp); | |
814 | ||
815 | return CMD_SUCCESS; | |
816 | } | |
817 | ||
818 | DEFPY (no_ospf_mpls_ldp_sync_holddown, | |
819 | no_ospf_mpls_ldp_sync_holddown_cmd, | |
820 | "no mpls ldp-sync holddown [<(1-10000)>]", | |
821 | NO_STR | |
822 | "MPLS specific commands\n" | |
823 | "Disable MPLS LDP-IGP Sync\n" | |
31011d9c IR |
824 | "holddown timer disable\n" |
825 | "Time in seconds\n") | |
132a782e | 826 | { |
827 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); | |
828 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); | |
829 | struct interface *ifp; | |
830 | ||
831 | if (CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN)) { | |
832 | UNSET_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_HOLDDOWN); | |
833 | ospf->ldp_sync_cmd.holddown = LDP_IGP_SYNC_HOLDDOWN_DEFAULT; | |
834 | /* turn off holddown timer on all OSPF interfaces */ | |
835 | FOR_ALL_INTERFACES (vrf, ifp) | |
836 | ospf_if_set_ldp_sync_holddown(ospf, ifp); | |
837 | } | |
838 | return CMD_SUCCESS; | |
839 | } | |
840 | ||
841 | ||
842 | DEFPY (mpls_ldp_sync, | |
843 | mpls_ldp_sync_cmd, | |
844 | "ip ospf mpls ldp-sync", | |
845 | IP_STR | |
846 | "OSPF interface commands\n" | |
847 | MPLS_STR | |
132a782e | 848 | MPLS_LDP_SYNC_STR) |
849 | { | |
850 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
851 | struct ospf_if_params *params; | |
852 | struct ldp_sync_info *ldp_sync_info; | |
853 | ||
854 | if (if_is_loopback(ifp)) { | |
855 | vty_out(vty, "ldp-sync does not run on loopback interface\n"); | |
856 | return CMD_ERR_NOTHING_TODO; | |
857 | } | |
858 | ||
859 | if (ifp->vrf_id != VRF_DEFAULT) { | |
860 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
861 | return CMD_ERR_NOTHING_TODO; | |
862 | } | |
863 | ||
864 | params = IF_DEF_PARAMS(ifp); | |
865 | if (params->ldp_sync_info == NULL) | |
866 | params->ldp_sync_info = ldp_sync_info_create(); | |
867 | ||
868 | ldp_sync_info = params->ldp_sync_info; | |
869 | ||
870 | SET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG); | |
871 | ldp_sync_info->enabled = LDP_IGP_SYNC_ENABLED; | |
872 | if (params->type == OSPF_IFTYPE_POINTOPOINT || if_is_pointopoint(ifp)) { | |
873 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP; | |
874 | ospf_ldp_sync_state_req_msg(ifp); | |
875 | } else { | |
876 | zlog_debug("ldp_sync: only runs on P2P links %s", ifp->name); | |
877 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED; | |
878 | } | |
879 | return CMD_SUCCESS; | |
880 | } | |
881 | ||
882 | DEFPY (no_mpls_ldp_sync, | |
883 | no_mpls_ldp_sync_cmd, | |
884 | "no ip ospf mpls ldp-sync", | |
885 | NO_STR | |
886 | IP_STR | |
887 | "OSPF interface commands\n" | |
888 | MPLS_STR | |
889 | NO_MPLS_LDP_SYNC_STR) | |
890 | { | |
891 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
892 | struct ospf_if_params *params; | |
893 | struct ldp_sync_info *ldp_sync_info; | |
894 | ||
895 | if (if_is_loopback(ifp)) { | |
896 | vty_out(vty, "ldp-sync: does not run on loopback interface\n"); | |
897 | return CMD_ERR_NOTHING_TODO; | |
898 | } | |
899 | ||
900 | if (ifp->vrf_id != VRF_DEFAULT) { | |
901 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
902 | return CMD_ERR_NOTHING_TODO; | |
903 | } | |
904 | ||
905 | params = IF_DEF_PARAMS(ifp); | |
906 | if (params->ldp_sync_info == NULL) | |
907 | params->ldp_sync_info = ldp_sync_info_create(); | |
908 | ||
909 | ldp_sync_info = params->ldp_sync_info; | |
910 | ||
911 | /* disable LDP-SYNC on an interface | |
912 | * stop holddown timer if running | |
913 | * restore ospf cost | |
914 | */ | |
915 | SET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG); | |
916 | ldp_sync_info->enabled = LDP_IGP_SYNC_DEFAULT; | |
917 | ldp_sync_info->state = LDP_IGP_SYNC_STATE_NOT_REQUIRED; | |
50478845 | 918 | THREAD_OFF(ldp_sync_info->t_holddown); |
132a782e | 919 | ospf_if_recalculate_output_cost(ifp); |
920 | ||
921 | return CMD_SUCCESS; | |
922 | } | |
923 | ||
924 | DEFPY (mpls_ldp_sync_holddown, | |
925 | mpls_ldp_sync_holddown_cmd, | |
926 | "ip ospf mpls ldp-sync holddown (0-10000)", | |
927 | IP_STR | |
928 | "OSPF interface commands\n" | |
929 | MPLS_STR | |
930 | MPLS_LDP_SYNC_STR | |
931 | "Time to wait for LDP-SYNC to occur before restoring interface cost\n" | |
932 | "Time in seconds\n") | |
933 | { | |
934 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
935 | struct ospf_if_params *params; | |
936 | struct ldp_sync_info *ldp_sync_info; | |
937 | ||
938 | if (if_is_loopback(ifp)) { | |
939 | vty_out(vty, "ldp-sync: does not run on loopback interface\n"); | |
940 | return CMD_ERR_NOTHING_TODO; | |
941 | } | |
942 | ||
943 | if (ifp->vrf_id != VRF_DEFAULT) { | |
944 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
945 | return CMD_ERR_NOTHING_TODO; | |
946 | } | |
947 | ||
948 | params = IF_DEF_PARAMS(ifp); | |
949 | if (params->ldp_sync_info == NULL) | |
950 | params->ldp_sync_info = ldp_sync_info_create(); | |
951 | ||
952 | ldp_sync_info = params->ldp_sync_info; | |
953 | ||
954 | SET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN); | |
955 | ldp_sync_info->holddown = holddown; | |
956 | ||
957 | return CMD_SUCCESS; | |
958 | } | |
959 | ||
960 | DEFPY (no_mpls_ldp_sync_holddown, | |
961 | no_mpls_ldp_sync_holddown_cmd, | |
962 | "no ip ospf mpls ldp-sync holddown [<(1-10000)>]", | |
963 | NO_STR | |
964 | IP_STR | |
965 | "OSPF interface commands\n" | |
966 | MPLS_STR | |
967 | NO_MPLS_LDP_SYNC_STR | |
31011d9c IR |
968 | NO_MPLS_LDP_SYNC_HOLDDOWN_STR |
969 | "Time in seconds\n") | |
132a782e | 970 | { |
971 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
972 | struct ospf_if_params *params; | |
973 | struct ldp_sync_info *ldp_sync_info; | |
974 | struct ospf *ospf; | |
975 | ||
976 | if (if_is_loopback(ifp)) { | |
977 | vty_out(vty, "ldp-sync: does not run on loopback interface\n"); | |
978 | return CMD_ERR_NOTHING_TODO; | |
979 | } | |
980 | ||
981 | if (ifp->vrf_id != VRF_DEFAULT) { | |
982 | vty_out(vty, "ldp-sync only runs on DEFAULT VRF\n"); | |
983 | return CMD_ERR_NOTHING_TODO; | |
984 | } | |
985 | ||
986 | params = IF_DEF_PARAMS(ifp); | |
987 | ldp_sync_info = params->ldp_sync_info; | |
988 | if (ldp_sync_info == NULL) | |
989 | return CMD_SUCCESS; | |
990 | ||
991 | /* use global configured value if set */ | |
992 | if (CHECK_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN)) { | |
993 | UNSET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN); | |
994 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
995 | if (ospf && CHECK_FLAG(ospf->ldp_sync_cmd.flags, | |
996 | LDP_SYNC_FLAG_HOLDDOWN)) | |
997 | ldp_sync_info->holddown = ospf->ldp_sync_cmd.holddown; | |
998 | else | |
999 | ldp_sync_info->holddown = LDP_IGP_SYNC_HOLDDOWN_DEFAULT; | |
1000 | } | |
1001 | return CMD_SUCCESS; | |
1002 | } | |
1003 | ||
1004 | DEFPY (show_ip_ospf_mpls_ldp_interface, | |
1005 | show_ip_ospf_mpls_ldp_interface_cmd, | |
1006 | "show ip ospf mpls ldp-sync [interface <INTERFACE|all>] [json]", | |
1007 | SHOW_STR | |
1008 | IP_STR | |
1009 | "OSPF information\n" | |
1010 | MPLS_STR | |
1011 | "LDP-IGP Sync information\n" | |
31011d9c | 1012 | "Interface information\n" |
132a782e | 1013 | "Interface name\n" |
31011d9c | 1014 | "All interfaces\n" |
132a782e | 1015 | JSON_STR) |
1016 | { | |
1017 | struct ospf *ospf; | |
1018 | bool uj = use_json(argc, argv); | |
1019 | char *intf_name = NULL; | |
1020 | int ret = CMD_SUCCESS; | |
1021 | int idx_intf = 0; | |
1022 | json_object *json = NULL; | |
1023 | ||
1024 | if (argv_find(argv, argc, "INTERFACE", &idx_intf)) | |
1025 | intf_name = argv[idx_intf]->arg; | |
1026 | ||
1027 | if (uj) | |
1028 | json = json_object_new_object(); | |
1029 | ||
1030 | /* Display default ospf (instance 0) info */ | |
1031 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
1032 | if (ospf == NULL || !ospf->oi_running) { | |
1033 | if (uj) { | |
1034 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
1035 | json, JSON_C_TO_STRING_PRETTY)); | |
1036 | json_object_free(json); | |
1037 | } else | |
1038 | vty_out(vty, "%% OSPF instance not found\n"); | |
1039 | return CMD_SUCCESS; | |
1040 | } | |
1041 | ||
1042 | if (!CHECK_FLAG(ospf->ldp_sync_cmd.flags, LDP_SYNC_FLAG_ENABLE)) { | |
1043 | if (uj) { | |
1044 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
1045 | json, JSON_C_TO_STRING_PRETTY)); | |
1046 | json_object_free(json); | |
1047 | } else | |
1048 | vty_out(vty, "LDP-sync is disabled\n"); | |
1049 | return CMD_SUCCESS; | |
1050 | } | |
1051 | ||
1052 | ret = show_ip_ospf_mpls_ldp_interface_common(vty, ospf, intf_name, | |
1053 | json, uj); | |
1054 | if (uj) { | |
1055 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
1056 | json, JSON_C_TO_STRING_PRETTY)); | |
1057 | json_object_free(json); | |
1058 | } | |
1059 | ||
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | void ospf_ldp_sync_init(void) | |
1064 | { | |
1065 | /* Install global ldp-igp sync commands */ | |
1066 | install_element(OSPF_NODE, &ospf_mpls_ldp_sync_cmd); | |
1067 | install_element(OSPF_NODE, &no_ospf_mpls_ldp_sync_cmd); | |
1068 | install_element(OSPF_NODE, &ospf_mpls_ldp_sync_holddown_cmd); | |
1069 | install_element(OSPF_NODE, &no_ospf_mpls_ldp_sync_holddown_cmd); | |
1070 | ||
1071 | /* Interface lsp-igp sync commands */ | |
1072 | install_element(INTERFACE_NODE, &mpls_ldp_sync_cmd); | |
1073 | install_element(INTERFACE_NODE, &no_mpls_ldp_sync_cmd); | |
1074 | install_element(INTERFACE_NODE, &mpls_ldp_sync_holddown_cmd); | |
1075 | install_element(INTERFACE_NODE, &no_mpls_ldp_sync_holddown_cmd); | |
1076 | ||
1077 | /* "show ip ospf mpls ldp interface" commands. */ | |
1078 | install_element(VIEW_NODE, &show_ip_ospf_mpls_ldp_interface_cmd); | |
1079 | ||
1080 | hook_register(ospf_ism_change, ospf_ldp_sync_ism_change); | |
1081 | ||
1082 | } |