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75c69d15 JG |
1 | /* |
2 | * Copyright (C) 2020 Volta Networks, Inc | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the Free | |
6 | * Software Foundation; either version 2 of the License, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public License | |
15 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
75c69d15 JG |
18 | #include <zebra.h> |
19 | ||
5b4f4e62 DL |
20 | #include <stdlib.h> |
21 | ||
75c69d15 JG |
22 | #include "memory.h" |
23 | #include "log.h" | |
24 | #include "command.h" | |
25 | #include "prefix.h" | |
26 | #include <lib/json.h> | |
27 | ||
28 | #include "pathd.h" | |
29 | #include "pathd/path_errors.h" | |
30 | #include "pathd/path_ted.h" | |
31 | ||
32 | #ifndef VTYSH_EXTRACT_PL | |
33 | #include "pathd/path_ted_clippy.c" | |
34 | #endif | |
35 | ||
36 | static struct ls_ted *path_ted_create_ted(void); | |
37 | static void path_ted_register_vty(void); | |
38 | static void path_ted_unregister_vty(void); | |
39 | static uint32_t path_ted_start_importing_igp(const char *daemon_str); | |
40 | static uint32_t path_ted_stop_importing_igp(void); | |
41 | static enum zclient_send_status path_ted_link_state_sync(void); | |
cc9f21da DS |
42 | static void path_ted_timer_handler_sync(struct thread *thread); |
43 | static void path_ted_timer_handler_refresh(struct thread *thread); | |
75c69d15 JG |
44 | static int path_ted_cli_debug_config_write(struct vty *vty); |
45 | static int path_ted_cli_debug_set_all(uint32_t flags, bool set); | |
46 | ||
47 | extern struct zclient *zclient; | |
48 | ||
49 | struct ted_state ted_state_g = {}; | |
50 | ||
51 | /* | |
52 | * path_path_ted public API function implementations | |
53 | */ | |
54 | ||
55 | void path_ted_init(struct thread_master *master) | |
56 | { | |
57 | ted_state_g.main = master; | |
58 | ted_state_g.link_state_delay_interval = TIMER_RETRY_DELAY; | |
59 | ted_state_g.segment_list_refresh_interval = TIMER_RETRY_DELAY; | |
60 | path_ted_register_vty(); | |
61 | path_ted_segment_list_refresh(); | |
62 | } | |
63 | ||
64 | uint32_t path_ted_teardown(void) | |
65 | { | |
66 | PATH_TED_DEBUG("%s : TED [%p]", __func__, ted_state_g.ted); | |
67 | path_ted_unregister_vty(); | |
68 | path_ted_stop_importing_igp(); | |
aa5ced0a | 69 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
70 | path_ted_timer_sync_cancel(); |
71 | path_ted_timer_refresh_cancel(); | |
72 | return 0; | |
73 | } | |
74 | ||
75 | /** | |
76 | * Set all needed to receive igp data. | |
77 | * | |
78 | * @return true if ok | |
79 | * | |
80 | */ | |
81 | uint32_t path_ted_start_importing_igp(const char *daemon_str) | |
82 | { | |
83 | uint32_t status = 0; | |
84 | ||
85 | if (strcmp(daemon_str, "ospfv2") == 0) | |
86 | ted_state_g.import = IMPORT_OSPFv2; | |
87 | else if (strcmp(daemon_str, "ospfv3") == 0) { | |
88 | ted_state_g.import = IMPORT_UNKNOWN; | |
89 | return 1; | |
90 | } else if (strcmp(daemon_str, "isis") == 0) | |
91 | ted_state_g.import = IMPORT_ISIS; | |
92 | else { | |
93 | ted_state_g.import = IMPORT_UNKNOWN; | |
94 | return 1; | |
95 | } | |
96 | ||
97 | if (ls_register(zclient, false /*client*/) != 0) { | |
98 | PATH_TED_ERROR("%s: PATHD-TED: Unable to register Link State", | |
99 | __func__); | |
100 | ted_state_g.import = IMPORT_UNKNOWN; | |
101 | status = 1; | |
102 | } else { | |
103 | if (path_ted_link_state_sync() != -1) { | |
104 | PATH_TED_DEBUG("%s: PATHD-TED: Importing %s data ON", | |
105 | __func__, | |
106 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
107 | } else { | |
108 | PATH_TED_WARN("%s: PATHD-TED: Importing %s data OFF", | |
109 | __func__, | |
110 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
111 | ted_state_g.import = IMPORT_UNKNOWN; | |
112 | } | |
113 | } | |
114 | return status; | |
115 | } | |
116 | ||
117 | /** | |
118 | * Unset all needed to receive igp data. | |
119 | * | |
120 | * @return true if ok | |
121 | * | |
122 | */ | |
123 | uint32_t path_ted_stop_importing_igp(void) | |
124 | { | |
125 | uint32_t status = 0; | |
126 | ||
127 | if (ted_state_g.import != IMPORT_UNKNOWN) { | |
128 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
129 | PATH_TED_ERROR( | |
130 | "%s: PATHD-TED: Unable to unregister Link State", | |
131 | __func__); | |
132 | status = 1; | |
133 | } else { | |
134 | ted_state_g.import = IMPORT_UNKNOWN; | |
135 | PATH_TED_DEBUG("%s: PATHD-TED: Importing igp data OFF", | |
136 | __func__); | |
137 | } | |
138 | path_ted_timer_sync_cancel(); | |
139 | } | |
140 | return status; | |
141 | } | |
142 | /** | |
143 | * Check for ted status | |
144 | * | |
145 | * @return true if ok | |
146 | * | |
147 | */ | |
148 | bool path_ted_is_initialized(void) | |
149 | { | |
150 | if (ted_state_g.ted == NULL) { | |
151 | PATH_TED_WARN("PATHD TED ls_ted not initialized"); | |
152 | return false; | |
153 | } | |
154 | ||
155 | return true; | |
156 | } | |
157 | ||
158 | /** | |
159 | * Creates an empty ted | |
160 | * | |
161 | * @param void | |
162 | * | |
163 | * @return Ptr to ted or NULL | |
164 | */ | |
165 | struct ls_ted *path_ted_create_ted() | |
166 | { | |
167 | struct ls_ted *ted = ls_ted_new(TED_KEY, TED_NAME, TED_ASN); | |
168 | ||
169 | if (ted == NULL) { | |
170 | PATH_TED_ERROR("%s Unable to initialize TED Key [%d] ASN [%d] Name [%s]", | |
171 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
172 | } else { | |
173 | PATH_TED_INFO("%s Initialize TED Key [%d] ASN [%d] Name [%s]", | |
174 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
175 | } | |
176 | ||
177 | return ted; | |
178 | } | |
179 | ||
180 | uint32_t path_ted_rcvd_message(struct ls_message *msg) | |
181 | { | |
182 | if (!path_ted_is_initialized()) | |
183 | return 1; | |
184 | ||
185 | if (msg == NULL) { | |
186 | PATH_TED_ERROR("%s: [rcv ted] TED received NULL message ", | |
187 | __func__); | |
188 | return 1; | |
189 | } | |
190 | ||
191 | if (path_ted_get_current_igp(msg->data.node->adv.origin)) | |
192 | return 1; | |
193 | ||
194 | switch (msg->type) { | |
195 | case LS_MSG_TYPE_NODE: | |
196 | ls_msg2vertex(ted_state_g.ted, msg, true /*hard delete*/); | |
197 | break; | |
198 | ||
199 | case LS_MSG_TYPE_ATTRIBUTES: | |
200 | ls_msg2edge(ted_state_g.ted, msg, true /*ĥard delete*/); | |
201 | break; | |
202 | ||
203 | case LS_MSG_TYPE_PREFIX: | |
204 | ls_msg2subnet(ted_state_g.ted, msg, true /*hard delete*/); | |
205 | break; | |
206 | ||
207 | default: | |
208 | PATH_TED_DEBUG( | |
209 | "%s: [rcv ted] TED received unknown message type [%d]", | |
210 | __func__, msg->type); | |
211 | break; | |
212 | } | |
213 | return 0; | |
214 | } | |
215 | ||
216 | uint32_t path_ted_query_type_f(struct ipaddr *local, struct ipaddr *remote) | |
217 | { | |
218 | uint32_t sid = MPLS_LABEL_NONE; | |
219 | struct ls_edge *edge; | |
220 | uint64_t key; | |
221 | ||
222 | if (!path_ted_is_initialized()) | |
223 | return MPLS_LABEL_NONE; | |
224 | ||
225 | if (!local || !remote) | |
226 | return MPLS_LABEL_NONE; | |
227 | ||
228 | switch (local->ipa_type) { | |
229 | case IPADDR_V4: | |
230 | /* We have local and remote ip */ | |
231 | /* so check all attributes in ted */ | |
232 | key = ((uint64_t)ntohl(local->ip._v4_addr.s_addr)) & 0xffffffff; | |
233 | edge = ls_find_edge_by_key(ted_state_g.ted, key); | |
234 | if (edge) { | |
235 | if (edge->attributes->standard.remote.s_addr | |
236 | == remote->ip._v4_addr.s_addr | |
237 | && CHECK_FLAG(edge->attributes->flags, | |
238 | LS_ATTR_ADJ_SID)) { | |
239 | sid = edge->attributes->adj_sid[0] | |
240 | .sid; /* from primary */ | |
241 | break; | |
242 | } | |
243 | } | |
244 | break; | |
245 | case IPADDR_V6: | |
98654f42 FD |
246 | key = (uint64_t)ntohl(local->ip._v6_addr.s6_addr32[2]) << 32 | |
247 | (uint64_t)ntohl(local->ip._v6_addr.s6_addr32[3]); | |
75c69d15 JG |
248 | edge = ls_find_edge_by_key(ted_state_g.ted, key); |
249 | if (edge) { | |
98654f42 FD |
250 | if ((0 == memcmp(&edge->attributes->standard.remote6, |
251 | &remote->ip._v6_addr, | |
252 | sizeof(remote->ip._v6_addr)) && | |
253 | CHECK_FLAG(edge->attributes->flags, | |
254 | LS_ATTR_ADJ_SID6))) { | |
255 | sid = edge->attributes->adj_sid[ADJ_PRI_IPV6] | |
75c69d15 JG |
256 | .sid; /* from primary */ |
257 | break; | |
258 | } | |
259 | } | |
260 | break; | |
261 | case IPADDR_NONE: | |
262 | break; | |
263 | } | |
264 | ||
265 | return sid; | |
266 | } | |
267 | ||
268 | uint32_t path_ted_query_type_c(struct prefix *prefix, uint8_t algo) | |
269 | { | |
270 | uint32_t sid = MPLS_LABEL_NONE; | |
271 | struct ls_subnet *subnet; | |
272 | ||
273 | if (!path_ted_is_initialized()) | |
274 | return MPLS_LABEL_NONE; | |
275 | ||
276 | if (!prefix) | |
277 | return MPLS_LABEL_NONE; | |
278 | ||
279 | switch (prefix->family) { | |
280 | case AF_INET: | |
281 | case AF_INET6: | |
282 | subnet = ls_find_subnet(ted_state_g.ted, *prefix); | |
283 | if (subnet) { | |
284 | if ((CHECK_FLAG(subnet->ls_pref->flags, LS_PREF_SR)) | |
285 | && (subnet->ls_pref->sr.algo == algo)) | |
286 | sid = subnet->ls_pref->sr.sid; | |
287 | } | |
288 | break; | |
289 | default: | |
290 | break; | |
291 | } | |
292 | ||
293 | return sid; | |
294 | } | |
295 | ||
296 | uint32_t path_ted_query_type_e(struct prefix *prefix, uint32_t iface_id) | |
297 | { | |
298 | uint32_t sid = MPLS_LABEL_NONE; | |
299 | struct ls_subnet *subnet; | |
300 | struct listnode *lst_node; | |
301 | struct ls_edge *edge; | |
302 | ||
303 | if (!path_ted_is_initialized()) | |
304 | return MPLS_LABEL_NONE; | |
305 | ||
306 | if (!prefix) | |
307 | return MPLS_LABEL_NONE; | |
308 | ||
309 | switch (prefix->family) { | |
310 | case AF_INET: | |
311 | case AF_INET6: | |
312 | subnet = ls_find_subnet(ted_state_g.ted, *prefix); | |
313 | if (subnet && subnet->vertex | |
314 | && subnet->vertex->outgoing_edges) { | |
315 | /* from the vertex linked in subnet */ | |
316 | /* loop over outgoing edges */ | |
317 | for (ALL_LIST_ELEMENTS_RO( | |
318 | subnet->vertex->outgoing_edges, lst_node, | |
319 | edge)) { | |
320 | /* and look for ifaceid */ | |
321 | /* so get sid of attribute */ | |
322 | if (CHECK_FLAG(edge->attributes->flags, | |
323 | LS_ATTR_LOCAL_ID) | |
324 | && edge->attributes->standard.local_id | |
325 | == iface_id) { | |
326 | sid = subnet->ls_pref->sr.sid; | |
327 | break; | |
328 | } | |
329 | } | |
330 | } | |
331 | break; | |
332 | default: | |
333 | break; | |
334 | } | |
335 | ||
336 | return sid; | |
337 | } | |
338 | ||
339 | DEFPY (debug_path_ted, | |
340 | debug_path_ted_cmd, | |
341 | "[no] debug pathd mpls-te", | |
342 | NO_STR | |
343 | DEBUG_STR | |
344 | "path debugging\n" | |
345 | "ted debugging\n") | |
346 | { | |
347 | uint32_t mode = DEBUG_NODE2MODE(vty->node); | |
348 | bool no_debug = (no != NULL); | |
349 | ||
350 | DEBUG_MODE_SET(&ted_state_g.dbg, mode, !no); | |
351 | DEBUG_FLAGS_SET(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC, !no_debug); | |
352 | return CMD_SUCCESS; | |
353 | } | |
354 | ||
355 | /* | |
78dfa0c7 | 356 | * Following are vty command functions. |
75c69d15 JG |
357 | */ |
358 | /* clang-format off */ | |
359 | DEFUN (path_ted_on, | |
360 | path_ted_on_cmd, | |
361 | "mpls-te on", | |
362 | NO_STR | |
363 | "Enable the TE database (TED) functionality\n") | |
364 | /* clang-format on */ | |
365 | { | |
366 | ||
367 | if (ted_state_g.enabled) { | |
368 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled ON -> ON.", __func__); | |
369 | return CMD_SUCCESS; | |
370 | } | |
371 | ||
372 | ted_state_g.ted = path_ted_create_ted(); | |
373 | ted_state_g.enabled = true; | |
374 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled OFF -> ON.", __func__); | |
375 | ||
376 | return CMD_SUCCESS; | |
377 | } | |
378 | ||
379 | /* clang-format off */ | |
380 | DEFUN (no_path_ted, | |
381 | no_path_ted_cmd, | |
382 | "no mpls-te [on]", | |
383 | NO_STR | |
384 | NO_STR | |
385 | "Disable the TE Database functionality\n") | |
386 | /* clang-format on */ | |
387 | { | |
cab69e3f | 388 | if (!ted_state_g.enabled) { |
75c69d15 JG |
389 | PATH_TED_DEBUG("%s: PATHD-TED: OFF -> OFF", __func__); |
390 | return CMD_SUCCESS; | |
391 | } | |
392 | ||
393 | /* Remove TED */ | |
aa5ced0a | 394 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
395 | ted_state_g.enabled = false; |
396 | PATH_TED_DEBUG("%s: PATHD-TED: ON -> OFF", __func__); | |
397 | ted_state_g.import = IMPORT_UNKNOWN; | |
398 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
399 | vty_out(vty, "Unable to unregister Link State\n"); | |
400 | return CMD_WARNING; | |
401 | } | |
402 | ||
403 | return CMD_SUCCESS; | |
404 | } | |
405 | ||
406 | /* clang-format off */ | |
407 | DEFPY(path_ted_import, | |
408 | path_ted_import_cmd, | |
409 | "mpls-te import <ospfv2|ospfv3|isis>$import_daemon", | |
410 | "Enable the TE database (TED) fill with remote igp data\n" | |
411 | "import\n" | |
412 | "Origin ospfv2\n" | |
413 | "Origin ospfv3\n" | |
414 | "Origin isis\n") | |
415 | /* clang-format on */ | |
416 | { | |
417 | ||
418 | if (ted_state_g.enabled) | |
419 | if (path_ted_start_importing_igp(import_daemon)) { | |
420 | vty_out(vty, "Unable to start importing\n"); | |
421 | return CMD_WARNING; | |
422 | } | |
423 | return CMD_SUCCESS; | |
424 | } | |
425 | ||
426 | /* clang-format off */ | |
427 | DEFUN (no_path_ted_import, | |
428 | no_path_ted_import_cmd, | |
429 | "no mpls-te import", | |
430 | NO_STR | |
431 | NO_STR | |
432 | "Disable the TE Database fill with remote igp data\n") | |
433 | /* clang-format on */ | |
434 | { | |
435 | ||
436 | if (ted_state_g.import) { | |
437 | if (path_ted_stop_importing_igp()) { | |
438 | vty_out(vty, "Unable to stop importing\n"); | |
439 | return CMD_WARNING; | |
440 | } else { | |
441 | PATH_TED_DEBUG( | |
442 | "%s: PATHD-TED: Importing igp data already OFF", | |
443 | __func__); | |
444 | } | |
445 | } | |
446 | return CMD_SUCCESS; | |
447 | } | |
448 | ||
449 | /* clang-format off */ | |
1e519577 | 450 | DEFPY (show_pathd_ted_db, |
75c69d15 JG |
451 | show_pathd_ted_db_cmd, |
452 | "show pathd ted database <verbose|json>$ver_json ", | |
453 | "show command\n" | |
454 | "pathd daemon\n" | |
455 | "traffic eng\n" | |
456 | "database\n" | |
457 | "verbose output\n" | |
458 | "Show complete received TED database\n") | |
459 | /* clang-format on */ | |
460 | { | |
461 | bool st_json = false; | |
462 | json_object *json = NULL; | |
463 | ||
464 | if (!ted_state_g.enabled) { | |
e77ac87a | 465 | vty_out(vty, "Traffic Engineering database is not enabled\n"); |
75c69d15 JG |
466 | return CMD_WARNING; |
467 | } | |
468 | if (strcmp(ver_json, "json") == 0) { | |
469 | st_json = true; | |
470 | json = json_object_new_object(); | |
471 | } | |
472 | /* Show the complete TED */ | |
473 | ls_show_ted(ted_state_g.ted, vty, json, !st_json); | |
c48349e3 | 474 | if (st_json) |
3cc8ef87 | 475 | vty_json(vty, json); |
75c69d15 JG |
476 | return CMD_SUCCESS; |
477 | } | |
478 | ||
479 | /* | |
480 | * Config Write functions | |
481 | */ | |
482 | ||
483 | int path_ted_cli_debug_config_write(struct vty *vty) | |
484 | { | |
485 | if (DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_CONF)) { | |
486 | if (DEBUG_FLAGS_CHECK(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC)) | |
487 | vty_out(vty, "debug pathd mpls-te\n"); | |
488 | return 1; | |
489 | } | |
490 | return 0; | |
491 | } | |
492 | ||
493 | int path_ted_cli_debug_set_all(uint32_t flags, bool set) | |
494 | { | |
495 | DEBUG_FLAGS_SET(&ted_state_g.dbg, flags, set); | |
496 | ||
497 | /* If all modes have been turned off, don't preserve options. */ | |
498 | if (!DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_ALL)) | |
499 | DEBUG_CLEAR(&ted_state_g.dbg); | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | /** | |
505 | * Help fn to show ted related configuration | |
506 | * | |
507 | * @param vty | |
508 | * | |
509 | * @return Status | |
510 | */ | |
511 | uint32_t path_ted_config_write(struct vty *vty) | |
512 | { | |
513 | ||
514 | if (ted_state_g.enabled) { | |
dfbabd45 | 515 | vty_out(vty, " mpls-te on\n"); |
75c69d15 JG |
516 | switch (ted_state_g.import) { |
517 | case IMPORT_ISIS: | |
dfbabd45 | 518 | vty_out(vty, " mpls-te import isis\n"); |
75c69d15 JG |
519 | break; |
520 | case IMPORT_OSPFv2: | |
dfbabd45 | 521 | vty_out(vty, " mpls-te import ospfv2\n"); |
75c69d15 JG |
522 | break; |
523 | case IMPORT_OSPFv3: | |
dfbabd45 | 524 | vty_out(vty, " mpls-te import ospfv3\n"); |
75c69d15 JG |
525 | break; |
526 | default: | |
527 | break; | |
528 | } | |
529 | } | |
530 | return 0; | |
531 | } | |
532 | ||
533 | /** | |
534 | * Register the fn's for CLI and hook for config show | |
535 | * | |
536 | * @param void | |
537 | * | |
538 | */ | |
539 | static void path_ted_register_vty(void) | |
540 | { | |
541 | install_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
542 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
543 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
544 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
545 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
546 | ||
547 | install_element(CONFIG_NODE, &debug_path_ted_cmd); | |
548 | install_element(ENABLE_NODE, &debug_path_ted_cmd); | |
549 | ||
550 | hook_register(nb_client_debug_config_write, | |
551 | path_ted_cli_debug_config_write); | |
552 | hook_register(nb_client_debug_set_all, path_ted_cli_debug_set_all); | |
553 | } | |
554 | ||
555 | /** | |
556 | * UnRegister the fn's for CLI and hook for config show | |
557 | * | |
558 | * @param void | |
559 | * | |
560 | */ | |
561 | static void path_ted_unregister_vty(void) | |
562 | { | |
563 | uninstall_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
564 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
565 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
566 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
567 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
568 | } | |
569 | ||
570 | /** | |
571 | * Ask igp for a complete TED so far | |
572 | * | |
573 | * @param void | |
574 | * | |
575 | * @return zclient status | |
576 | */ | |
577 | enum zclient_send_status path_ted_link_state_sync(void) | |
578 | { | |
579 | enum zclient_send_status status; | |
580 | ||
581 | status = ls_request_sync(zclient); | |
582 | if (status == -1) { | |
583 | PATH_TED_ERROR( | |
584 | "%s: PATHD-TED: Opaque error asking for TED sync ", | |
585 | __func__); | |
586 | return status; | |
587 | } else { | |
588 | PATH_TED_DEBUG("%s: PATHD-TED: Opaque asked for TED sync ", | |
589 | __func__); | |
590 | } | |
591 | thread_add_timer(ted_state_g.main, path_ted_timer_handler_sync, | |
592 | &ted_state_g, ted_state_g.link_state_delay_interval, | |
593 | &ted_state_g.t_link_state_sync); | |
594 | ||
595 | return status; | |
596 | } | |
597 | ||
598 | /** | |
599 | * Timer cb for check link state sync | |
600 | * | |
601 | * @param thread Current thread | |
602 | * | |
603 | * @return status | |
604 | */ | |
cc9f21da | 605 | void path_ted_timer_handler_sync(struct thread *thread) |
75c69d15 JG |
606 | { |
607 | /* data unpacking */ | |
608 | struct ted_state *data = THREAD_ARG(thread); | |
609 | ||
610 | assert(data != NULL); | |
611 | /* Retry the sync */ | |
cc9f21da | 612 | path_ted_link_state_sync(); |
75c69d15 JG |
613 | } |
614 | ||
615 | /** | |
616 | * refresg segment list and create timer to keep up updated | |
617 | * | |
618 | * @param void | |
619 | * | |
620 | * @return status | |
621 | */ | |
622 | int path_ted_segment_list_refresh(void) | |
623 | { | |
624 | int status = 0; | |
625 | ||
626 | path_ted_timer_refresh_cancel(); | |
627 | thread_add_timer(ted_state_g.main, path_ted_timer_handler_refresh, | |
628 | &ted_state_g, | |
629 | ted_state_g.segment_list_refresh_interval, | |
630 | &ted_state_g.t_segment_list_refresh); | |
631 | ||
632 | return status; | |
633 | } | |
634 | ||
635 | /** | |
636 | * Timer cb for refreshing sid in segment lists | |
637 | * | |
638 | * @param void | |
639 | * | |
640 | * @return status | |
641 | */ | |
cc9f21da | 642 | void path_ted_timer_handler_refresh(struct thread *thread) |
75c69d15 JG |
643 | { |
644 | if (!path_ted_is_initialized()) | |
cc9f21da | 645 | return; |
75c69d15 JG |
646 | |
647 | PATH_TED_DEBUG("%s: PATHD-TED: Refresh sid from current TED", __func__); | |
648 | /* data unpacking */ | |
649 | struct ted_state *data = THREAD_ARG(thread); | |
650 | ||
651 | assert(data != NULL); | |
652 | ||
653 | srte_policy_update_ted_sid(); | |
75c69d15 JG |
654 | } |
655 | ||
656 | /** | |
657 | * Cancel sync timer | |
658 | * | |
659 | * @param void | |
660 | * | |
661 | * @return void status | |
662 | */ | |
663 | void path_ted_timer_sync_cancel(void) | |
664 | { | |
665 | if (ted_state_g.t_link_state_sync != NULL) { | |
666 | thread_cancel(&ted_state_g.t_link_state_sync); | |
667 | ted_state_g.t_link_state_sync = NULL; | |
668 | } | |
669 | } | |
670 | ||
671 | /** | |
672 | * Cancel refresh timer | |
673 | * | |
674 | * @param void | |
675 | * | |
676 | * @return void status | |
677 | */ | |
678 | void path_ted_timer_refresh_cancel(void) | |
679 | { | |
680 | if (ted_state_g.t_segment_list_refresh != NULL) { | |
681 | thread_cancel(&ted_state_g.t_segment_list_refresh); | |
682 | ted_state_g.t_segment_list_refresh = NULL; | |
683 | } | |
684 | } | |
685 | ||
686 | /** | |
687 | * Check which igp is configured | |
688 | * | |
689 | * @param igp who want to check against config- | |
690 | * | |
691 | * @return status | |
692 | */ | |
693 | uint32_t path_ted_get_current_igp(uint32_t igp) | |
694 | { | |
695 | switch (igp) { | |
696 | case ISIS_L1: | |
697 | case ISIS_L2: | |
698 | if (ted_state_g.import != IMPORT_ISIS) { | |
699 | PATH_TED_ERROR( | |
700 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
701 | __func__, | |
702 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
703 | LS_IGP_PRINT(igp)); | |
704 | return 1; | |
705 | } | |
706 | break; | |
707 | case OSPFv2: | |
708 | if (ted_state_g.import != IMPORT_OSPFv2) { | |
709 | PATH_TED_ERROR( | |
710 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
711 | __func__, | |
712 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
713 | LS_IGP_PRINT(igp)); | |
714 | return 1; | |
715 | } | |
716 | break; | |
717 | case STATIC: | |
718 | break; | |
719 | } | |
720 | return 0; | |
721 | } |