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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 | ||
75c69d15 | 32 | #include "pathd/path_ted_clippy.c" |
75c69d15 JG |
33 | |
34 | static struct ls_ted *path_ted_create_ted(void); | |
35 | static void path_ted_register_vty(void); | |
36 | static void path_ted_unregister_vty(void); | |
37 | static uint32_t path_ted_start_importing_igp(const char *daemon_str); | |
38 | static uint32_t path_ted_stop_importing_igp(void); | |
39 | static enum zclient_send_status path_ted_link_state_sync(void); | |
cc9f21da DS |
40 | static void path_ted_timer_handler_sync(struct thread *thread); |
41 | static void path_ted_timer_handler_refresh(struct thread *thread); | |
75c69d15 JG |
42 | static int path_ted_cli_debug_config_write(struct vty *vty); |
43 | static int path_ted_cli_debug_set_all(uint32_t flags, bool set); | |
44 | ||
45 | extern struct zclient *zclient; | |
46 | ||
47 | struct ted_state ted_state_g = {}; | |
48 | ||
49 | /* | |
50 | * path_path_ted public API function implementations | |
51 | */ | |
52 | ||
53 | void path_ted_init(struct thread_master *master) | |
54 | { | |
55 | ted_state_g.main = master; | |
56 | ted_state_g.link_state_delay_interval = TIMER_RETRY_DELAY; | |
57 | ted_state_g.segment_list_refresh_interval = TIMER_RETRY_DELAY; | |
58 | path_ted_register_vty(); | |
59 | path_ted_segment_list_refresh(); | |
60 | } | |
61 | ||
62 | uint32_t path_ted_teardown(void) | |
63 | { | |
64 | PATH_TED_DEBUG("%s : TED [%p]", __func__, ted_state_g.ted); | |
65 | path_ted_unregister_vty(); | |
66 | path_ted_stop_importing_igp(); | |
aa5ced0a | 67 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
68 | path_ted_timer_sync_cancel(); |
69 | path_ted_timer_refresh_cancel(); | |
70 | return 0; | |
71 | } | |
72 | ||
73 | /** | |
74 | * Set all needed to receive igp data. | |
75 | * | |
76 | * @return true if ok | |
77 | * | |
78 | */ | |
79 | uint32_t path_ted_start_importing_igp(const char *daemon_str) | |
80 | { | |
81 | uint32_t status = 0; | |
82 | ||
83 | if (strcmp(daemon_str, "ospfv2") == 0) | |
84 | ted_state_g.import = IMPORT_OSPFv2; | |
85 | else if (strcmp(daemon_str, "ospfv3") == 0) { | |
86 | ted_state_g.import = IMPORT_UNKNOWN; | |
87 | return 1; | |
88 | } else if (strcmp(daemon_str, "isis") == 0) | |
89 | ted_state_g.import = IMPORT_ISIS; | |
90 | else { | |
91 | ted_state_g.import = IMPORT_UNKNOWN; | |
92 | return 1; | |
93 | } | |
94 | ||
95 | if (ls_register(zclient, false /*client*/) != 0) { | |
96 | PATH_TED_ERROR("%s: PATHD-TED: Unable to register Link State", | |
97 | __func__); | |
98 | ted_state_g.import = IMPORT_UNKNOWN; | |
99 | status = 1; | |
100 | } else { | |
101 | if (path_ted_link_state_sync() != -1) { | |
102 | PATH_TED_DEBUG("%s: PATHD-TED: Importing %s data ON", | |
103 | __func__, | |
104 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
105 | } else { | |
106 | PATH_TED_WARN("%s: PATHD-TED: Importing %s data OFF", | |
107 | __func__, | |
108 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
109 | ted_state_g.import = IMPORT_UNKNOWN; | |
110 | } | |
111 | } | |
112 | return status; | |
113 | } | |
114 | ||
115 | /** | |
116 | * Unset all needed to receive igp data. | |
117 | * | |
118 | * @return true if ok | |
119 | * | |
120 | */ | |
121 | uint32_t path_ted_stop_importing_igp(void) | |
122 | { | |
123 | uint32_t status = 0; | |
124 | ||
125 | if (ted_state_g.import != IMPORT_UNKNOWN) { | |
126 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
127 | PATH_TED_ERROR( | |
128 | "%s: PATHD-TED: Unable to unregister Link State", | |
129 | __func__); | |
130 | status = 1; | |
131 | } else { | |
132 | ted_state_g.import = IMPORT_UNKNOWN; | |
133 | PATH_TED_DEBUG("%s: PATHD-TED: Importing igp data OFF", | |
134 | __func__); | |
135 | } | |
136 | path_ted_timer_sync_cancel(); | |
137 | } | |
138 | return status; | |
139 | } | |
140 | /** | |
141 | * Check for ted status | |
142 | * | |
143 | * @return true if ok | |
144 | * | |
145 | */ | |
146 | bool path_ted_is_initialized(void) | |
147 | { | |
148 | if (ted_state_g.ted == NULL) { | |
149 | PATH_TED_WARN("PATHD TED ls_ted not initialized"); | |
150 | return false; | |
151 | } | |
152 | ||
153 | return true; | |
154 | } | |
155 | ||
156 | /** | |
157 | * Creates an empty ted | |
158 | * | |
159 | * @param void | |
160 | * | |
161 | * @return Ptr to ted or NULL | |
162 | */ | |
d038abcc | 163 | struct ls_ted *path_ted_create_ted(void) |
75c69d15 JG |
164 | { |
165 | struct ls_ted *ted = ls_ted_new(TED_KEY, TED_NAME, TED_ASN); | |
166 | ||
167 | if (ted == NULL) { | |
168 | PATH_TED_ERROR("%s Unable to initialize TED Key [%d] ASN [%d] Name [%s]", | |
169 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
170 | } else { | |
171 | PATH_TED_INFO("%s Initialize TED Key [%d] ASN [%d] Name [%s]", | |
172 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
173 | } | |
174 | ||
175 | return ted; | |
176 | } | |
177 | ||
178 | uint32_t path_ted_rcvd_message(struct ls_message *msg) | |
179 | { | |
180 | if (!path_ted_is_initialized()) | |
181 | return 1; | |
182 | ||
183 | if (msg == NULL) { | |
184 | PATH_TED_ERROR("%s: [rcv ted] TED received NULL message ", | |
185 | __func__); | |
186 | return 1; | |
187 | } | |
188 | ||
189 | if (path_ted_get_current_igp(msg->data.node->adv.origin)) | |
190 | return 1; | |
191 | ||
192 | switch (msg->type) { | |
193 | case LS_MSG_TYPE_NODE: | |
194 | ls_msg2vertex(ted_state_g.ted, msg, true /*hard delete*/); | |
195 | break; | |
196 | ||
197 | case LS_MSG_TYPE_ATTRIBUTES: | |
198 | ls_msg2edge(ted_state_g.ted, msg, true /*ĥard delete*/); | |
199 | break; | |
200 | ||
201 | case LS_MSG_TYPE_PREFIX: | |
202 | ls_msg2subnet(ted_state_g.ted, msg, true /*hard delete*/); | |
203 | break; | |
204 | ||
205 | default: | |
206 | PATH_TED_DEBUG( | |
207 | "%s: [rcv ted] TED received unknown message type [%d]", | |
208 | __func__, msg->type); | |
209 | break; | |
210 | } | |
211 | return 0; | |
212 | } | |
213 | ||
214 | uint32_t path_ted_query_type_f(struct ipaddr *local, struct ipaddr *remote) | |
215 | { | |
216 | uint32_t sid = MPLS_LABEL_NONE; | |
217 | struct ls_edge *edge; | |
218 | uint64_t key; | |
219 | ||
220 | if (!path_ted_is_initialized()) | |
221 | return MPLS_LABEL_NONE; | |
222 | ||
223 | if (!local || !remote) | |
224 | return MPLS_LABEL_NONE; | |
225 | ||
226 | switch (local->ipa_type) { | |
227 | case IPADDR_V4: | |
228 | /* We have local and remote ip */ | |
229 | /* so check all attributes in ted */ | |
230 | key = ((uint64_t)ntohl(local->ip._v4_addr.s_addr)) & 0xffffffff; | |
231 | edge = ls_find_edge_by_key(ted_state_g.ted, key); | |
232 | if (edge) { | |
233 | if (edge->attributes->standard.remote.s_addr | |
234 | == remote->ip._v4_addr.s_addr | |
235 | && CHECK_FLAG(edge->attributes->flags, | |
236 | LS_ATTR_ADJ_SID)) { | |
237 | sid = edge->attributes->adj_sid[0] | |
238 | .sid; /* from primary */ | |
239 | break; | |
240 | } | |
241 | } | |
242 | break; | |
243 | case IPADDR_V6: | |
98654f42 FD |
244 | key = (uint64_t)ntohl(local->ip._v6_addr.s6_addr32[2]) << 32 | |
245 | (uint64_t)ntohl(local->ip._v6_addr.s6_addr32[3]); | |
75c69d15 JG |
246 | edge = ls_find_edge_by_key(ted_state_g.ted, key); |
247 | if (edge) { | |
98654f42 FD |
248 | if ((0 == memcmp(&edge->attributes->standard.remote6, |
249 | &remote->ip._v6_addr, | |
250 | sizeof(remote->ip._v6_addr)) && | |
251 | CHECK_FLAG(edge->attributes->flags, | |
252 | LS_ATTR_ADJ_SID6))) { | |
253 | sid = edge->attributes->adj_sid[ADJ_PRI_IPV6] | |
75c69d15 JG |
254 | .sid; /* from primary */ |
255 | break; | |
256 | } | |
257 | } | |
258 | break; | |
259 | case IPADDR_NONE: | |
260 | break; | |
261 | } | |
262 | ||
263 | return sid; | |
264 | } | |
265 | ||
266 | uint32_t path_ted_query_type_c(struct prefix *prefix, uint8_t algo) | |
267 | { | |
268 | uint32_t sid = MPLS_LABEL_NONE; | |
269 | struct ls_subnet *subnet; | |
270 | ||
271 | if (!path_ted_is_initialized()) | |
272 | return MPLS_LABEL_NONE; | |
273 | ||
274 | if (!prefix) | |
275 | return MPLS_LABEL_NONE; | |
276 | ||
277 | switch (prefix->family) { | |
278 | case AF_INET: | |
279 | case AF_INET6: | |
280 | subnet = ls_find_subnet(ted_state_g.ted, *prefix); | |
281 | if (subnet) { | |
282 | if ((CHECK_FLAG(subnet->ls_pref->flags, LS_PREF_SR)) | |
283 | && (subnet->ls_pref->sr.algo == algo)) | |
284 | sid = subnet->ls_pref->sr.sid; | |
285 | } | |
286 | break; | |
287 | default: | |
288 | break; | |
289 | } | |
290 | ||
291 | return sid; | |
292 | } | |
293 | ||
294 | uint32_t path_ted_query_type_e(struct prefix *prefix, uint32_t iface_id) | |
295 | { | |
296 | uint32_t sid = MPLS_LABEL_NONE; | |
297 | struct ls_subnet *subnet; | |
298 | struct listnode *lst_node; | |
299 | struct ls_edge *edge; | |
300 | ||
301 | if (!path_ted_is_initialized()) | |
302 | return MPLS_LABEL_NONE; | |
303 | ||
304 | if (!prefix) | |
305 | return MPLS_LABEL_NONE; | |
306 | ||
307 | switch (prefix->family) { | |
308 | case AF_INET: | |
309 | case AF_INET6: | |
310 | subnet = ls_find_subnet(ted_state_g.ted, *prefix); | |
311 | if (subnet && subnet->vertex | |
312 | && subnet->vertex->outgoing_edges) { | |
313 | /* from the vertex linked in subnet */ | |
314 | /* loop over outgoing edges */ | |
315 | for (ALL_LIST_ELEMENTS_RO( | |
316 | subnet->vertex->outgoing_edges, lst_node, | |
317 | edge)) { | |
318 | /* and look for ifaceid */ | |
319 | /* so get sid of attribute */ | |
320 | if (CHECK_FLAG(edge->attributes->flags, | |
321 | LS_ATTR_LOCAL_ID) | |
322 | && edge->attributes->standard.local_id | |
323 | == iface_id) { | |
324 | sid = subnet->ls_pref->sr.sid; | |
325 | break; | |
326 | } | |
327 | } | |
328 | } | |
329 | break; | |
330 | default: | |
331 | break; | |
332 | } | |
333 | ||
334 | return sid; | |
335 | } | |
336 | ||
337 | DEFPY (debug_path_ted, | |
338 | debug_path_ted_cmd, | |
339 | "[no] debug pathd mpls-te", | |
340 | NO_STR | |
341 | DEBUG_STR | |
342 | "path debugging\n" | |
343 | "ted debugging\n") | |
344 | { | |
345 | uint32_t mode = DEBUG_NODE2MODE(vty->node); | |
346 | bool no_debug = (no != NULL); | |
347 | ||
348 | DEBUG_MODE_SET(&ted_state_g.dbg, mode, !no); | |
349 | DEBUG_FLAGS_SET(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC, !no_debug); | |
350 | return CMD_SUCCESS; | |
351 | } | |
352 | ||
353 | /* | |
78dfa0c7 | 354 | * Following are vty command functions. |
75c69d15 JG |
355 | */ |
356 | /* clang-format off */ | |
357 | DEFUN (path_ted_on, | |
358 | path_ted_on_cmd, | |
359 | "mpls-te on", | |
360 | NO_STR | |
361 | "Enable the TE database (TED) functionality\n") | |
362 | /* clang-format on */ | |
363 | { | |
364 | ||
365 | if (ted_state_g.enabled) { | |
366 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled ON -> ON.", __func__); | |
367 | return CMD_SUCCESS; | |
368 | } | |
369 | ||
370 | ted_state_g.ted = path_ted_create_ted(); | |
371 | ted_state_g.enabled = true; | |
372 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled OFF -> ON.", __func__); | |
373 | ||
374 | return CMD_SUCCESS; | |
375 | } | |
376 | ||
377 | /* clang-format off */ | |
378 | DEFUN (no_path_ted, | |
379 | no_path_ted_cmd, | |
380 | "no mpls-te [on]", | |
381 | NO_STR | |
382 | NO_STR | |
383 | "Disable the TE Database functionality\n") | |
384 | /* clang-format on */ | |
385 | { | |
cab69e3f | 386 | if (!ted_state_g.enabled) { |
75c69d15 JG |
387 | PATH_TED_DEBUG("%s: PATHD-TED: OFF -> OFF", __func__); |
388 | return CMD_SUCCESS; | |
389 | } | |
390 | ||
391 | /* Remove TED */ | |
aa5ced0a | 392 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
393 | ted_state_g.enabled = false; |
394 | PATH_TED_DEBUG("%s: PATHD-TED: ON -> OFF", __func__); | |
395 | ted_state_g.import = IMPORT_UNKNOWN; | |
396 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
397 | vty_out(vty, "Unable to unregister Link State\n"); | |
398 | return CMD_WARNING; | |
399 | } | |
400 | ||
401 | return CMD_SUCCESS; | |
402 | } | |
403 | ||
404 | /* clang-format off */ | |
405 | DEFPY(path_ted_import, | |
406 | path_ted_import_cmd, | |
407 | "mpls-te import <ospfv2|ospfv3|isis>$import_daemon", | |
408 | "Enable the TE database (TED) fill with remote igp data\n" | |
409 | "import\n" | |
410 | "Origin ospfv2\n" | |
411 | "Origin ospfv3\n" | |
412 | "Origin isis\n") | |
413 | /* clang-format on */ | |
414 | { | |
415 | ||
416 | if (ted_state_g.enabled) | |
417 | if (path_ted_start_importing_igp(import_daemon)) { | |
418 | vty_out(vty, "Unable to start importing\n"); | |
419 | return CMD_WARNING; | |
420 | } | |
421 | return CMD_SUCCESS; | |
422 | } | |
423 | ||
424 | /* clang-format off */ | |
425 | DEFUN (no_path_ted_import, | |
426 | no_path_ted_import_cmd, | |
427 | "no mpls-te import", | |
428 | NO_STR | |
429 | NO_STR | |
430 | "Disable the TE Database fill with remote igp data\n") | |
431 | /* clang-format on */ | |
432 | { | |
433 | ||
434 | if (ted_state_g.import) { | |
435 | if (path_ted_stop_importing_igp()) { | |
436 | vty_out(vty, "Unable to stop importing\n"); | |
437 | return CMD_WARNING; | |
438 | } else { | |
439 | PATH_TED_DEBUG( | |
440 | "%s: PATHD-TED: Importing igp data already OFF", | |
441 | __func__); | |
442 | } | |
443 | } | |
444 | return CMD_SUCCESS; | |
445 | } | |
446 | ||
447 | /* clang-format off */ | |
1e519577 | 448 | DEFPY (show_pathd_ted_db, |
75c69d15 JG |
449 | show_pathd_ted_db_cmd, |
450 | "show pathd ted database <verbose|json>$ver_json ", | |
451 | "show command\n" | |
452 | "pathd daemon\n" | |
453 | "traffic eng\n" | |
454 | "database\n" | |
455 | "verbose output\n" | |
456 | "Show complete received TED database\n") | |
457 | /* clang-format on */ | |
458 | { | |
459 | bool st_json = false; | |
460 | json_object *json = NULL; | |
461 | ||
462 | if (!ted_state_g.enabled) { | |
e77ac87a | 463 | vty_out(vty, "Traffic Engineering database is not enabled\n"); |
75c69d15 JG |
464 | return CMD_WARNING; |
465 | } | |
466 | if (strcmp(ver_json, "json") == 0) { | |
467 | st_json = true; | |
468 | json = json_object_new_object(); | |
469 | } | |
470 | /* Show the complete TED */ | |
471 | ls_show_ted(ted_state_g.ted, vty, json, !st_json); | |
c48349e3 | 472 | if (st_json) |
3cc8ef87 | 473 | vty_json(vty, json); |
75c69d15 JG |
474 | return CMD_SUCCESS; |
475 | } | |
476 | ||
477 | /* | |
478 | * Config Write functions | |
479 | */ | |
480 | ||
481 | int path_ted_cli_debug_config_write(struct vty *vty) | |
482 | { | |
483 | if (DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_CONF)) { | |
484 | if (DEBUG_FLAGS_CHECK(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC)) | |
485 | vty_out(vty, "debug pathd mpls-te\n"); | |
486 | return 1; | |
487 | } | |
488 | return 0; | |
489 | } | |
490 | ||
96cb277e PG |
491 | void path_ted_show_debugging(struct vty *vty) |
492 | { | |
493 | if (DEBUG_FLAGS_CHECK(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC)) | |
494 | vty_out(vty, " Path TED debugging is on\n"); | |
495 | } | |
496 | ||
75c69d15 JG |
497 | int path_ted_cli_debug_set_all(uint32_t flags, bool set) |
498 | { | |
499 | DEBUG_FLAGS_SET(&ted_state_g.dbg, flags, set); | |
500 | ||
501 | /* If all modes have been turned off, don't preserve options. */ | |
502 | if (!DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_ALL)) | |
503 | DEBUG_CLEAR(&ted_state_g.dbg); | |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
508 | /** | |
509 | * Help fn to show ted related configuration | |
510 | * | |
511 | * @param vty | |
512 | * | |
513 | * @return Status | |
514 | */ | |
515 | uint32_t path_ted_config_write(struct vty *vty) | |
516 | { | |
517 | ||
518 | if (ted_state_g.enabled) { | |
dfbabd45 | 519 | vty_out(vty, " mpls-te on\n"); |
75c69d15 JG |
520 | switch (ted_state_g.import) { |
521 | case IMPORT_ISIS: | |
dfbabd45 | 522 | vty_out(vty, " mpls-te import isis\n"); |
75c69d15 JG |
523 | break; |
524 | case IMPORT_OSPFv2: | |
dfbabd45 | 525 | vty_out(vty, " mpls-te import ospfv2\n"); |
75c69d15 JG |
526 | break; |
527 | case IMPORT_OSPFv3: | |
dfbabd45 | 528 | vty_out(vty, " mpls-te import ospfv3\n"); |
75c69d15 JG |
529 | break; |
530 | default: | |
531 | break; | |
532 | } | |
533 | } | |
534 | return 0; | |
535 | } | |
536 | ||
537 | /** | |
538 | * Register the fn's for CLI and hook for config show | |
539 | * | |
540 | * @param void | |
541 | * | |
542 | */ | |
543 | static void path_ted_register_vty(void) | |
544 | { | |
545 | install_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
546 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
547 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
548 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
549 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
550 | ||
551 | install_element(CONFIG_NODE, &debug_path_ted_cmd); | |
552 | install_element(ENABLE_NODE, &debug_path_ted_cmd); | |
553 | ||
554 | hook_register(nb_client_debug_config_write, | |
555 | path_ted_cli_debug_config_write); | |
556 | hook_register(nb_client_debug_set_all, path_ted_cli_debug_set_all); | |
557 | } | |
558 | ||
559 | /** | |
560 | * UnRegister the fn's for CLI and hook for config show | |
561 | * | |
562 | * @param void | |
563 | * | |
564 | */ | |
565 | static void path_ted_unregister_vty(void) | |
566 | { | |
567 | uninstall_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
568 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
569 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
570 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
571 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
572 | } | |
573 | ||
574 | /** | |
575 | * Ask igp for a complete TED so far | |
576 | * | |
577 | * @param void | |
578 | * | |
579 | * @return zclient status | |
580 | */ | |
581 | enum zclient_send_status path_ted_link_state_sync(void) | |
582 | { | |
583 | enum zclient_send_status status; | |
584 | ||
585 | status = ls_request_sync(zclient); | |
586 | if (status == -1) { | |
587 | PATH_TED_ERROR( | |
588 | "%s: PATHD-TED: Opaque error asking for TED sync ", | |
589 | __func__); | |
590 | return status; | |
591 | } else { | |
592 | PATH_TED_DEBUG("%s: PATHD-TED: Opaque asked for TED sync ", | |
593 | __func__); | |
594 | } | |
595 | thread_add_timer(ted_state_g.main, path_ted_timer_handler_sync, | |
596 | &ted_state_g, ted_state_g.link_state_delay_interval, | |
597 | &ted_state_g.t_link_state_sync); | |
598 | ||
599 | return status; | |
600 | } | |
601 | ||
602 | /** | |
603 | * Timer cb for check link state sync | |
604 | * | |
605 | * @param thread Current thread | |
606 | * | |
607 | * @return status | |
608 | */ | |
cc9f21da | 609 | void path_ted_timer_handler_sync(struct thread *thread) |
75c69d15 JG |
610 | { |
611 | /* data unpacking */ | |
612 | struct ted_state *data = THREAD_ARG(thread); | |
613 | ||
614 | assert(data != NULL); | |
615 | /* Retry the sync */ | |
cc9f21da | 616 | path_ted_link_state_sync(); |
75c69d15 JG |
617 | } |
618 | ||
619 | /** | |
620 | * refresg segment list and create timer to keep up updated | |
621 | * | |
622 | * @param void | |
623 | * | |
624 | * @return status | |
625 | */ | |
626 | int path_ted_segment_list_refresh(void) | |
627 | { | |
628 | int status = 0; | |
629 | ||
630 | path_ted_timer_refresh_cancel(); | |
631 | thread_add_timer(ted_state_g.main, path_ted_timer_handler_refresh, | |
632 | &ted_state_g, | |
633 | ted_state_g.segment_list_refresh_interval, | |
634 | &ted_state_g.t_segment_list_refresh); | |
635 | ||
636 | return status; | |
637 | } | |
638 | ||
639 | /** | |
640 | * Timer cb for refreshing sid in segment lists | |
641 | * | |
642 | * @param void | |
643 | * | |
644 | * @return status | |
645 | */ | |
cc9f21da | 646 | void path_ted_timer_handler_refresh(struct thread *thread) |
75c69d15 JG |
647 | { |
648 | if (!path_ted_is_initialized()) | |
cc9f21da | 649 | return; |
75c69d15 JG |
650 | |
651 | PATH_TED_DEBUG("%s: PATHD-TED: Refresh sid from current TED", __func__); | |
652 | /* data unpacking */ | |
653 | struct ted_state *data = THREAD_ARG(thread); | |
654 | ||
655 | assert(data != NULL); | |
656 | ||
657 | srte_policy_update_ted_sid(); | |
75c69d15 JG |
658 | } |
659 | ||
660 | /** | |
661 | * Cancel sync timer | |
662 | * | |
663 | * @param void | |
664 | * | |
665 | * @return void status | |
666 | */ | |
667 | void path_ted_timer_sync_cancel(void) | |
668 | { | |
669 | if (ted_state_g.t_link_state_sync != NULL) { | |
670 | thread_cancel(&ted_state_g.t_link_state_sync); | |
671 | ted_state_g.t_link_state_sync = NULL; | |
672 | } | |
673 | } | |
674 | ||
675 | /** | |
676 | * Cancel refresh timer | |
677 | * | |
678 | * @param void | |
679 | * | |
680 | * @return void status | |
681 | */ | |
682 | void path_ted_timer_refresh_cancel(void) | |
683 | { | |
684 | if (ted_state_g.t_segment_list_refresh != NULL) { | |
685 | thread_cancel(&ted_state_g.t_segment_list_refresh); | |
686 | ted_state_g.t_segment_list_refresh = NULL; | |
687 | } | |
688 | } | |
689 | ||
690 | /** | |
691 | * Check which igp is configured | |
692 | * | |
693 | * @param igp who want to check against config- | |
694 | * | |
695 | * @return status | |
696 | */ | |
697 | uint32_t path_ted_get_current_igp(uint32_t igp) | |
698 | { | |
699 | switch (igp) { | |
700 | case ISIS_L1: | |
701 | case ISIS_L2: | |
702 | if (ted_state_g.import != IMPORT_ISIS) { | |
703 | PATH_TED_ERROR( | |
704 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
705 | __func__, | |
706 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
707 | LS_IGP_PRINT(igp)); | |
708 | return 1; | |
709 | } | |
710 | break; | |
711 | case OSPFv2: | |
712 | if (ted_state_g.import != IMPORT_OSPFv2) { | |
713 | PATH_TED_ERROR( | |
714 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
715 | __func__, | |
716 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
717 | LS_IGP_PRINT(igp)); | |
718 | return 1; | |
719 | } | |
720 | break; | |
721 | case STATIC: | |
722 | break; | |
723 | } | |
724 | return 0; | |
725 | } |