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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
75c69d15 JG |
2 | /* |
3 | * Copyright (C) 2020 Volta Networks, Inc | |
4 | * | |
75c69d15 JG |
5 | * You should have received a copy of the GNU Lesser General Public License |
6 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
7 | */ | |
8 | ||
75c69d15 JG |
9 | #include <zebra.h> |
10 | ||
5b4f4e62 DL |
11 | #include <stdlib.h> |
12 | ||
75c69d15 JG |
13 | #include "memory.h" |
14 | #include "log.h" | |
15 | #include "command.h" | |
16 | #include "prefix.h" | |
17 | #include <lib/json.h> | |
18 | ||
19 | #include "pathd.h" | |
20 | #include "pathd/path_errors.h" | |
21 | #include "pathd/path_ted.h" | |
22 | ||
75c69d15 | 23 | #include "pathd/path_ted_clippy.c" |
75c69d15 JG |
24 | |
25 | static struct ls_ted *path_ted_create_ted(void); | |
26 | static void path_ted_register_vty(void); | |
27 | static void path_ted_unregister_vty(void); | |
28 | static uint32_t path_ted_start_importing_igp(const char *daemon_str); | |
29 | static uint32_t path_ted_stop_importing_igp(void); | |
30 | static enum zclient_send_status path_ted_link_state_sync(void); | |
e6685141 DS |
31 | static void path_ted_timer_handler_sync(struct event *thread); |
32 | static void path_ted_timer_handler_refresh(struct event *thread); | |
75c69d15 JG |
33 | static int path_ted_cli_debug_config_write(struct vty *vty); |
34 | static int path_ted_cli_debug_set_all(uint32_t flags, bool set); | |
35 | ||
36 | extern struct zclient *zclient; | |
37 | ||
38 | struct ted_state ted_state_g = {}; | |
39 | ||
40 | /* | |
41 | * path_path_ted public API function implementations | |
42 | */ | |
43 | ||
cd9d0537 | 44 | void path_ted_init(struct event_loop *master) |
75c69d15 JG |
45 | { |
46 | ted_state_g.main = master; | |
47 | ted_state_g.link_state_delay_interval = TIMER_RETRY_DELAY; | |
48 | ted_state_g.segment_list_refresh_interval = TIMER_RETRY_DELAY; | |
49 | path_ted_register_vty(); | |
50 | path_ted_segment_list_refresh(); | |
51 | } | |
52 | ||
53 | uint32_t path_ted_teardown(void) | |
54 | { | |
55 | PATH_TED_DEBUG("%s : TED [%p]", __func__, ted_state_g.ted); | |
56 | path_ted_unregister_vty(); | |
57 | path_ted_stop_importing_igp(); | |
aa5ced0a | 58 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
59 | path_ted_timer_sync_cancel(); |
60 | path_ted_timer_refresh_cancel(); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | /** | |
65 | * Set all needed to receive igp data. | |
66 | * | |
67 | * @return true if ok | |
68 | * | |
69 | */ | |
70 | uint32_t path_ted_start_importing_igp(const char *daemon_str) | |
71 | { | |
72 | uint32_t status = 0; | |
73 | ||
74 | if (strcmp(daemon_str, "ospfv2") == 0) | |
75 | ted_state_g.import = IMPORT_OSPFv2; | |
76 | else if (strcmp(daemon_str, "ospfv3") == 0) { | |
77 | ted_state_g.import = IMPORT_UNKNOWN; | |
78 | return 1; | |
79 | } else if (strcmp(daemon_str, "isis") == 0) | |
80 | ted_state_g.import = IMPORT_ISIS; | |
81 | else { | |
82 | ted_state_g.import = IMPORT_UNKNOWN; | |
83 | return 1; | |
84 | } | |
85 | ||
86 | if (ls_register(zclient, false /*client*/) != 0) { | |
87 | PATH_TED_ERROR("%s: PATHD-TED: Unable to register Link State", | |
88 | __func__); | |
89 | ted_state_g.import = IMPORT_UNKNOWN; | |
90 | status = 1; | |
91 | } else { | |
92 | if (path_ted_link_state_sync() != -1) { | |
93 | PATH_TED_DEBUG("%s: PATHD-TED: Importing %s data ON", | |
94 | __func__, | |
95 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
96 | } else { | |
97 | PATH_TED_WARN("%s: PATHD-TED: Importing %s data OFF", | |
98 | __func__, | |
99 | PATH_TED_IGP_PRINT(ted_state_g.import)); | |
100 | ted_state_g.import = IMPORT_UNKNOWN; | |
101 | } | |
102 | } | |
103 | return status; | |
104 | } | |
105 | ||
106 | /** | |
107 | * Unset all needed to receive igp data. | |
108 | * | |
109 | * @return true if ok | |
110 | * | |
111 | */ | |
112 | uint32_t path_ted_stop_importing_igp(void) | |
113 | { | |
114 | uint32_t status = 0; | |
115 | ||
116 | if (ted_state_g.import != IMPORT_UNKNOWN) { | |
117 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
118 | PATH_TED_ERROR( | |
119 | "%s: PATHD-TED: Unable to unregister Link State", | |
120 | __func__); | |
121 | status = 1; | |
122 | } else { | |
123 | ted_state_g.import = IMPORT_UNKNOWN; | |
124 | PATH_TED_DEBUG("%s: PATHD-TED: Importing igp data OFF", | |
125 | __func__); | |
126 | } | |
127 | path_ted_timer_sync_cancel(); | |
128 | } | |
129 | return status; | |
130 | } | |
131 | /** | |
132 | * Check for ted status | |
133 | * | |
134 | * @return true if ok | |
135 | * | |
136 | */ | |
137 | bool path_ted_is_initialized(void) | |
138 | { | |
139 | if (ted_state_g.ted == NULL) { | |
140 | PATH_TED_WARN("PATHD TED ls_ted not initialized"); | |
141 | return false; | |
142 | } | |
143 | ||
144 | return true; | |
145 | } | |
146 | ||
147 | /** | |
148 | * Creates an empty ted | |
149 | * | |
150 | * @param void | |
151 | * | |
152 | * @return Ptr to ted or NULL | |
153 | */ | |
d038abcc | 154 | struct ls_ted *path_ted_create_ted(void) |
75c69d15 JG |
155 | { |
156 | struct ls_ted *ted = ls_ted_new(TED_KEY, TED_NAME, TED_ASN); | |
157 | ||
158 | if (ted == NULL) { | |
159 | PATH_TED_ERROR("%s Unable to initialize TED Key [%d] ASN [%d] Name [%s]", | |
160 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
161 | } else { | |
162 | PATH_TED_INFO("%s Initialize TED Key [%d] ASN [%d] Name [%s]", | |
163 | __func__, TED_KEY, TED_ASN, TED_NAME); | |
164 | } | |
165 | ||
166 | return ted; | |
167 | } | |
168 | ||
169 | uint32_t path_ted_rcvd_message(struct ls_message *msg) | |
170 | { | |
171 | if (!path_ted_is_initialized()) | |
172 | return 1; | |
173 | ||
174 | if (msg == NULL) { | |
175 | PATH_TED_ERROR("%s: [rcv ted] TED received NULL message ", | |
176 | __func__); | |
177 | return 1; | |
178 | } | |
179 | ||
180 | if (path_ted_get_current_igp(msg->data.node->adv.origin)) | |
181 | return 1; | |
182 | ||
183 | switch (msg->type) { | |
184 | case LS_MSG_TYPE_NODE: | |
185 | ls_msg2vertex(ted_state_g.ted, msg, true /*hard delete*/); | |
186 | break; | |
187 | ||
188 | case LS_MSG_TYPE_ATTRIBUTES: | |
189 | ls_msg2edge(ted_state_g.ted, msg, true /*ĥard delete*/); | |
190 | break; | |
191 | ||
192 | case LS_MSG_TYPE_PREFIX: | |
193 | ls_msg2subnet(ted_state_g.ted, msg, true /*hard delete*/); | |
194 | break; | |
195 | ||
196 | default: | |
197 | PATH_TED_DEBUG( | |
198 | "%s: [rcv ted] TED received unknown message type [%d]", | |
199 | __func__, msg->type); | |
200 | break; | |
201 | } | |
202 | return 0; | |
203 | } | |
204 | ||
205 | uint32_t path_ted_query_type_f(struct ipaddr *local, struct ipaddr *remote) | |
206 | { | |
207 | uint32_t sid = MPLS_LABEL_NONE; | |
208 | struct ls_edge *edge; | |
7f2742b6 | 209 | struct ls_edge_key key; |
75c69d15 JG |
210 | |
211 | if (!path_ted_is_initialized()) | |
212 | return MPLS_LABEL_NONE; | |
213 | ||
214 | if (!local || !remote) | |
215 | return MPLS_LABEL_NONE; | |
216 | ||
217 | switch (local->ipa_type) { | |
218 | case IPADDR_V4: | |
219 | /* We have local and remote ip */ | |
220 | /* so check all attributes in ted */ | |
7f2742b6 OD |
221 | key.family = AF_INET; |
222 | IPV4_ADDR_COPY(&key.k.addr, &local->ip._v4_addr); | |
75c69d15 JG |
223 | edge = ls_find_edge_by_key(ted_state_g.ted, key); |
224 | if (edge) { | |
225 | if (edge->attributes->standard.remote.s_addr | |
226 | == remote->ip._v4_addr.s_addr | |
227 | && CHECK_FLAG(edge->attributes->flags, | |
228 | LS_ATTR_ADJ_SID)) { | |
229 | sid = edge->attributes->adj_sid[0] | |
230 | .sid; /* from primary */ | |
231 | break; | |
232 | } | |
233 | } | |
234 | break; | |
235 | case IPADDR_V6: | |
7f2742b6 OD |
236 | key.family = AF_INET6; |
237 | IPV6_ADDR_COPY(&key.k.addr6, &local->ip._v6_addr); | |
75c69d15 JG |
238 | edge = ls_find_edge_by_key(ted_state_g.ted, key); |
239 | if (edge) { | |
98654f42 FD |
240 | if ((0 == memcmp(&edge->attributes->standard.remote6, |
241 | &remote->ip._v6_addr, | |
242 | sizeof(remote->ip._v6_addr)) && | |
243 | CHECK_FLAG(edge->attributes->flags, | |
244 | LS_ATTR_ADJ_SID6))) { | |
245 | sid = edge->attributes->adj_sid[ADJ_PRI_IPV6] | |
75c69d15 JG |
246 | .sid; /* from primary */ |
247 | break; | |
248 | } | |
249 | } | |
250 | break; | |
251 | case IPADDR_NONE: | |
252 | break; | |
253 | } | |
254 | ||
255 | return sid; | |
256 | } | |
257 | ||
258 | uint32_t path_ted_query_type_c(struct prefix *prefix, uint8_t algo) | |
259 | { | |
260 | uint32_t sid = MPLS_LABEL_NONE; | |
261 | struct ls_subnet *subnet; | |
262 | ||
263 | if (!path_ted_is_initialized()) | |
264 | return MPLS_LABEL_NONE; | |
265 | ||
266 | if (!prefix) | |
267 | return MPLS_LABEL_NONE; | |
268 | ||
269 | switch (prefix->family) { | |
270 | case AF_INET: | |
271 | case AF_INET6: | |
b5894669 | 272 | subnet = ls_find_subnet(ted_state_g.ted, prefix); |
75c69d15 JG |
273 | if (subnet) { |
274 | if ((CHECK_FLAG(subnet->ls_pref->flags, LS_PREF_SR)) | |
275 | && (subnet->ls_pref->sr.algo == algo)) | |
276 | sid = subnet->ls_pref->sr.sid; | |
277 | } | |
278 | break; | |
279 | default: | |
280 | break; | |
281 | } | |
282 | ||
283 | return sid; | |
284 | } | |
285 | ||
286 | uint32_t path_ted_query_type_e(struct prefix *prefix, uint32_t iface_id) | |
287 | { | |
288 | uint32_t sid = MPLS_LABEL_NONE; | |
289 | struct ls_subnet *subnet; | |
290 | struct listnode *lst_node; | |
291 | struct ls_edge *edge; | |
292 | ||
293 | if (!path_ted_is_initialized()) | |
294 | return MPLS_LABEL_NONE; | |
295 | ||
296 | if (!prefix) | |
297 | return MPLS_LABEL_NONE; | |
298 | ||
299 | switch (prefix->family) { | |
300 | case AF_INET: | |
301 | case AF_INET6: | |
b5894669 | 302 | subnet = ls_find_subnet(ted_state_g.ted, prefix); |
75c69d15 JG |
303 | if (subnet && subnet->vertex |
304 | && subnet->vertex->outgoing_edges) { | |
305 | /* from the vertex linked in subnet */ | |
306 | /* loop over outgoing edges */ | |
307 | for (ALL_LIST_ELEMENTS_RO( | |
308 | subnet->vertex->outgoing_edges, lst_node, | |
309 | edge)) { | |
310 | /* and look for ifaceid */ | |
311 | /* so get sid of attribute */ | |
312 | if (CHECK_FLAG(edge->attributes->flags, | |
313 | LS_ATTR_LOCAL_ID) | |
314 | && edge->attributes->standard.local_id | |
315 | == iface_id) { | |
316 | sid = subnet->ls_pref->sr.sid; | |
317 | break; | |
318 | } | |
319 | } | |
320 | } | |
321 | break; | |
322 | default: | |
323 | break; | |
324 | } | |
325 | ||
326 | return sid; | |
327 | } | |
328 | ||
329 | DEFPY (debug_path_ted, | |
330 | debug_path_ted_cmd, | |
331 | "[no] debug pathd mpls-te", | |
332 | NO_STR | |
333 | DEBUG_STR | |
334 | "path debugging\n" | |
335 | "ted debugging\n") | |
336 | { | |
337 | uint32_t mode = DEBUG_NODE2MODE(vty->node); | |
338 | bool no_debug = (no != NULL); | |
339 | ||
340 | DEBUG_MODE_SET(&ted_state_g.dbg, mode, !no); | |
341 | DEBUG_FLAGS_SET(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC, !no_debug); | |
342 | return CMD_SUCCESS; | |
343 | } | |
344 | ||
345 | /* | |
78dfa0c7 | 346 | * Following are vty command functions. |
75c69d15 JG |
347 | */ |
348 | /* clang-format off */ | |
349 | DEFUN (path_ted_on, | |
350 | path_ted_on_cmd, | |
351 | "mpls-te on", | |
352 | NO_STR | |
353 | "Enable the TE database (TED) functionality\n") | |
354 | /* clang-format on */ | |
355 | { | |
356 | ||
357 | if (ted_state_g.enabled) { | |
358 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled ON -> ON.", __func__); | |
359 | return CMD_SUCCESS; | |
360 | } | |
361 | ||
362 | ted_state_g.ted = path_ted_create_ted(); | |
363 | ted_state_g.enabled = true; | |
364 | PATH_TED_DEBUG("%s: PATHD-TED: Enabled OFF -> ON.", __func__); | |
365 | ||
366 | return CMD_SUCCESS; | |
367 | } | |
368 | ||
369 | /* clang-format off */ | |
370 | DEFUN (no_path_ted, | |
371 | no_path_ted_cmd, | |
372 | "no mpls-te [on]", | |
373 | NO_STR | |
374 | NO_STR | |
375 | "Disable the TE Database functionality\n") | |
376 | /* clang-format on */ | |
377 | { | |
cab69e3f | 378 | if (!ted_state_g.enabled) { |
75c69d15 JG |
379 | PATH_TED_DEBUG("%s: PATHD-TED: OFF -> OFF", __func__); |
380 | return CMD_SUCCESS; | |
381 | } | |
382 | ||
383 | /* Remove TED */ | |
aa5ced0a | 384 | ls_ted_del_all(&ted_state_g.ted); |
75c69d15 JG |
385 | ted_state_g.enabled = false; |
386 | PATH_TED_DEBUG("%s: PATHD-TED: ON -> OFF", __func__); | |
387 | ted_state_g.import = IMPORT_UNKNOWN; | |
388 | if (ls_unregister(zclient, false /*client*/) != 0) { | |
389 | vty_out(vty, "Unable to unregister Link State\n"); | |
390 | return CMD_WARNING; | |
391 | } | |
392 | ||
393 | return CMD_SUCCESS; | |
394 | } | |
395 | ||
396 | /* clang-format off */ | |
397 | DEFPY(path_ted_import, | |
398 | path_ted_import_cmd, | |
399 | "mpls-te import <ospfv2|ospfv3|isis>$import_daemon", | |
400 | "Enable the TE database (TED) fill with remote igp data\n" | |
401 | "import\n" | |
402 | "Origin ospfv2\n" | |
403 | "Origin ospfv3\n" | |
404 | "Origin isis\n") | |
405 | /* clang-format on */ | |
406 | { | |
407 | ||
408 | if (ted_state_g.enabled) | |
409 | if (path_ted_start_importing_igp(import_daemon)) { | |
410 | vty_out(vty, "Unable to start importing\n"); | |
411 | return CMD_WARNING; | |
412 | } | |
413 | return CMD_SUCCESS; | |
414 | } | |
415 | ||
416 | /* clang-format off */ | |
417 | DEFUN (no_path_ted_import, | |
418 | no_path_ted_import_cmd, | |
419 | "no mpls-te import", | |
420 | NO_STR | |
421 | NO_STR | |
422 | "Disable the TE Database fill with remote igp data\n") | |
423 | /* clang-format on */ | |
424 | { | |
425 | ||
426 | if (ted_state_g.import) { | |
427 | if (path_ted_stop_importing_igp()) { | |
428 | vty_out(vty, "Unable to stop importing\n"); | |
429 | return CMD_WARNING; | |
430 | } else { | |
431 | PATH_TED_DEBUG( | |
432 | "%s: PATHD-TED: Importing igp data already OFF", | |
433 | __func__); | |
434 | } | |
435 | } | |
436 | return CMD_SUCCESS; | |
437 | } | |
438 | ||
439 | /* clang-format off */ | |
1e519577 | 440 | DEFPY (show_pathd_ted_db, |
75c69d15 JG |
441 | show_pathd_ted_db_cmd, |
442 | "show pathd ted database <verbose|json>$ver_json ", | |
443 | "show command\n" | |
444 | "pathd daemon\n" | |
445 | "traffic eng\n" | |
446 | "database\n" | |
447 | "verbose output\n" | |
448 | "Show complete received TED database\n") | |
449 | /* clang-format on */ | |
450 | { | |
451 | bool st_json = false; | |
452 | json_object *json = NULL; | |
453 | ||
454 | if (!ted_state_g.enabled) { | |
e77ac87a | 455 | vty_out(vty, "Traffic Engineering database is not enabled\n"); |
75c69d15 JG |
456 | return CMD_WARNING; |
457 | } | |
458 | if (strcmp(ver_json, "json") == 0) { | |
459 | st_json = true; | |
460 | json = json_object_new_object(); | |
461 | } | |
462 | /* Show the complete TED */ | |
463 | ls_show_ted(ted_state_g.ted, vty, json, !st_json); | |
c48349e3 | 464 | if (st_json) |
3cc8ef87 | 465 | vty_json(vty, json); |
75c69d15 JG |
466 | return CMD_SUCCESS; |
467 | } | |
468 | ||
469 | /* | |
470 | * Config Write functions | |
471 | */ | |
472 | ||
473 | int path_ted_cli_debug_config_write(struct vty *vty) | |
474 | { | |
475 | if (DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_CONF)) { | |
476 | if (DEBUG_FLAGS_CHECK(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC)) | |
477 | vty_out(vty, "debug pathd mpls-te\n"); | |
478 | return 1; | |
479 | } | |
480 | return 0; | |
481 | } | |
482 | ||
96cb277e PG |
483 | void path_ted_show_debugging(struct vty *vty) |
484 | { | |
485 | if (DEBUG_FLAGS_CHECK(&ted_state_g.dbg, PATH_TED_DEBUG_BASIC)) | |
486 | vty_out(vty, " Path TED debugging is on\n"); | |
487 | } | |
488 | ||
75c69d15 JG |
489 | int path_ted_cli_debug_set_all(uint32_t flags, bool set) |
490 | { | |
491 | DEBUG_FLAGS_SET(&ted_state_g.dbg, flags, set); | |
492 | ||
493 | /* If all modes have been turned off, don't preserve options. */ | |
494 | if (!DEBUG_MODE_CHECK(&ted_state_g.dbg, DEBUG_MODE_ALL)) | |
495 | DEBUG_CLEAR(&ted_state_g.dbg); | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
500 | /** | |
501 | * Help fn to show ted related configuration | |
502 | * | |
503 | * @param vty | |
504 | * | |
505 | * @return Status | |
506 | */ | |
507 | uint32_t path_ted_config_write(struct vty *vty) | |
508 | { | |
509 | ||
510 | if (ted_state_g.enabled) { | |
dfbabd45 | 511 | vty_out(vty, " mpls-te on\n"); |
75c69d15 JG |
512 | switch (ted_state_g.import) { |
513 | case IMPORT_ISIS: | |
dfbabd45 | 514 | vty_out(vty, " mpls-te import isis\n"); |
75c69d15 JG |
515 | break; |
516 | case IMPORT_OSPFv2: | |
dfbabd45 | 517 | vty_out(vty, " mpls-te import ospfv2\n"); |
75c69d15 JG |
518 | break; |
519 | case IMPORT_OSPFv3: | |
dfbabd45 | 520 | vty_out(vty, " mpls-te import ospfv3\n"); |
75c69d15 | 521 | break; |
d5dea350 | 522 | case IMPORT_UNKNOWN: |
75c69d15 JG |
523 | break; |
524 | } | |
525 | } | |
526 | return 0; | |
527 | } | |
528 | ||
529 | /** | |
530 | * Register the fn's for CLI and hook for config show | |
531 | * | |
532 | * @param void | |
533 | * | |
534 | */ | |
535 | static void path_ted_register_vty(void) | |
536 | { | |
537 | install_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
538 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
539 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
540 | install_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
541 | install_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
542 | ||
543 | install_element(CONFIG_NODE, &debug_path_ted_cmd); | |
544 | install_element(ENABLE_NODE, &debug_path_ted_cmd); | |
545 | ||
546 | hook_register(nb_client_debug_config_write, | |
547 | path_ted_cli_debug_config_write); | |
548 | hook_register(nb_client_debug_set_all, path_ted_cli_debug_set_all); | |
549 | } | |
550 | ||
551 | /** | |
552 | * UnRegister the fn's for CLI and hook for config show | |
553 | * | |
554 | * @param void | |
555 | * | |
556 | */ | |
557 | static void path_ted_unregister_vty(void) | |
558 | { | |
559 | uninstall_element(VIEW_NODE, &show_pathd_ted_db_cmd); | |
560 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_on_cmd); | |
561 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_cmd); | |
562 | uninstall_element(SR_TRAFFIC_ENG_NODE, &path_ted_import_cmd); | |
563 | uninstall_element(SR_TRAFFIC_ENG_NODE, &no_path_ted_import_cmd); | |
564 | } | |
565 | ||
566 | /** | |
567 | * Ask igp for a complete TED so far | |
568 | * | |
569 | * @param void | |
570 | * | |
571 | * @return zclient status | |
572 | */ | |
573 | enum zclient_send_status path_ted_link_state_sync(void) | |
574 | { | |
575 | enum zclient_send_status status; | |
576 | ||
577 | status = ls_request_sync(zclient); | |
578 | if (status == -1) { | |
579 | PATH_TED_ERROR( | |
580 | "%s: PATHD-TED: Opaque error asking for TED sync ", | |
581 | __func__); | |
582 | return status; | |
583 | } else { | |
584 | PATH_TED_DEBUG("%s: PATHD-TED: Opaque asked for TED sync ", | |
585 | __func__); | |
586 | } | |
907a2395 DS |
587 | event_add_timer(ted_state_g.main, path_ted_timer_handler_sync, |
588 | &ted_state_g, ted_state_g.link_state_delay_interval, | |
589 | &ted_state_g.t_link_state_sync); | |
75c69d15 JG |
590 | |
591 | return status; | |
592 | } | |
593 | ||
594 | /** | |
595 | * Timer cb for check link state sync | |
596 | * | |
597 | * @param thread Current thread | |
598 | * | |
599 | * @return status | |
600 | */ | |
e6685141 | 601 | void path_ted_timer_handler_sync(struct event *thread) |
75c69d15 JG |
602 | { |
603 | /* data unpacking */ | |
e16d030c | 604 | struct ted_state *data = EVENT_ARG(thread); |
75c69d15 JG |
605 | |
606 | assert(data != NULL); | |
607 | /* Retry the sync */ | |
cc9f21da | 608 | path_ted_link_state_sync(); |
75c69d15 JG |
609 | } |
610 | ||
611 | /** | |
612 | * refresg segment list and create timer to keep up updated | |
613 | * | |
614 | * @param void | |
615 | * | |
616 | * @return status | |
617 | */ | |
618 | int path_ted_segment_list_refresh(void) | |
619 | { | |
620 | int status = 0; | |
621 | ||
622 | path_ted_timer_refresh_cancel(); | |
907a2395 DS |
623 | event_add_timer(ted_state_g.main, path_ted_timer_handler_refresh, |
624 | &ted_state_g, ted_state_g.segment_list_refresh_interval, | |
625 | &ted_state_g.t_segment_list_refresh); | |
75c69d15 JG |
626 | |
627 | return status; | |
628 | } | |
629 | ||
630 | /** | |
631 | * Timer cb for refreshing sid in segment lists | |
632 | * | |
633 | * @param void | |
634 | * | |
635 | * @return status | |
636 | */ | |
e6685141 | 637 | void path_ted_timer_handler_refresh(struct event *thread) |
75c69d15 JG |
638 | { |
639 | if (!path_ted_is_initialized()) | |
cc9f21da | 640 | return; |
75c69d15 JG |
641 | |
642 | PATH_TED_DEBUG("%s: PATHD-TED: Refresh sid from current TED", __func__); | |
643 | /* data unpacking */ | |
e16d030c | 644 | struct ted_state *data = EVENT_ARG(thread); |
75c69d15 JG |
645 | |
646 | assert(data != NULL); | |
647 | ||
648 | srte_policy_update_ted_sid(); | |
75c69d15 JG |
649 | } |
650 | ||
651 | /** | |
652 | * Cancel sync timer | |
653 | * | |
654 | * @param void | |
655 | * | |
656 | * @return void status | |
657 | */ | |
658 | void path_ted_timer_sync_cancel(void) | |
659 | { | |
660 | if (ted_state_g.t_link_state_sync != NULL) { | |
332beb64 | 661 | event_cancel(&ted_state_g.t_link_state_sync); |
75c69d15 JG |
662 | ted_state_g.t_link_state_sync = NULL; |
663 | } | |
664 | } | |
665 | ||
666 | /** | |
667 | * Cancel refresh timer | |
668 | * | |
669 | * @param void | |
670 | * | |
671 | * @return void status | |
672 | */ | |
673 | void path_ted_timer_refresh_cancel(void) | |
674 | { | |
675 | if (ted_state_g.t_segment_list_refresh != NULL) { | |
332beb64 | 676 | event_cancel(&ted_state_g.t_segment_list_refresh); |
75c69d15 JG |
677 | ted_state_g.t_segment_list_refresh = NULL; |
678 | } | |
679 | } | |
680 | ||
681 | /** | |
682 | * Check which igp is configured | |
683 | * | |
684 | * @param igp who want to check against config- | |
685 | * | |
686 | * @return status | |
687 | */ | |
688 | uint32_t path_ted_get_current_igp(uint32_t igp) | |
689 | { | |
690 | switch (igp) { | |
691 | case ISIS_L1: | |
692 | case ISIS_L2: | |
693 | if (ted_state_g.import != IMPORT_ISIS) { | |
694 | PATH_TED_ERROR( | |
695 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
696 | __func__, | |
697 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
698 | LS_IGP_PRINT(igp)); | |
699 | return 1; | |
700 | } | |
701 | break; | |
702 | case OSPFv2: | |
703 | if (ted_state_g.import != IMPORT_OSPFv2) { | |
704 | PATH_TED_ERROR( | |
705 | "%s: [rcv ted] Incorrect igp origin wait (%s) got (%s) ", | |
706 | __func__, | |
707 | PATH_TED_IGP_PRINT(ted_state_g.import), | |
708 | LS_IGP_PRINT(igp)); | |
709 | return 1; | |
710 | } | |
711 | break; | |
712 | case STATIC: | |
713 | break; | |
714 | } | |
715 | return 0; | |
716 | } |