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dmake: do not set MAKEFLAGS=k
[unleashed/tickless.git] / usr / src / lib / fm / libfmd_snmp / common / problem.c
blobdc1fc7a1584e399be5825ec9a0dd341ff88c99c9
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <sys/fm/protocol.h>
28 #include <fm/fmd_adm.h>
29 #include <fm/fmd_snmp.h>
30 #include <net-snmp/net-snmp-config.h>
31 #include <net-snmp/net-snmp-includes.h>
32 #include <net-snmp/agent/net-snmp-agent-includes.h>
33 #include <pthread.h>
34 #include <stddef.h>
35 #include <errno.h>
36 #include <alloca.h>
37 #include <locale.h>
38 #include <libuutil.h>
39 #include <libnvpair.h>
40 #include "sunFM_impl.h"
41 #include "problem.h"
42
43 /*
44 * We assume that the number of suspect fault events associated with a
45 * particular case will generally be sufficiently small that the overhead
46 * associated with indexing them in a tree would exceed the gain from
47 * not traversing the fault list for each request.
48 */
49 static uu_avl_pool_t *problem_uuid_avl_pool;
50 static uu_avl_t *problem_uuid_avl;
51
52 #define VALID_AVL_STATE (problem_uuid_avl_pool != NULL && \
53 problem_uuid_avl != NULL)
54
55 #define UPDATE_WAIT_MILLIS 10 /* poll interval in milliseconds */
56
57 /*
58 * Update types. Single-index and all are mutually exclusive.
59 */
60 #define UCT_INDEX 0x1
61 #define UCT_ALL 0x2
62 #define UCT_FLAGS 0x3
63
64 /*
65 * Locking strategy is described in module.c.
66 */
67 static int valid_stamp;
68 static pthread_mutex_t update_lock;
69 static pthread_cond_t update_cv;
70 static volatile enum { US_QUIET, US_NEEDED, US_INPROGRESS } update_status;
71
72 static Netsnmp_Node_Handler sunFmProblemTable_handler;
73 static Netsnmp_Node_Handler sunFmFaultEventTable_handler;
74
75 static sunFmProblem_data_t *
76 problem_key_build(const char *uuid)
77 {
78 static sunFmProblem_data_t key;
79
80 key.d_aci_uuid = uuid;
81
82 return (&key);
83 }
84
85 static sunFmProblem_data_t *
86 problem_lookup_uuid_exact(const char *uuid)
87 {
88 sunFmProblem_data_t *key, *data;
89
90 key = problem_key_build(uuid);
91
92 DEBUGMSGTL((MODNAME_STR, "lookup_exact for uuid %s\n", uuid));
93 data = uu_avl_find(problem_uuid_avl, key, NULL, NULL);
94
95 return (data);
96 }
97
98 static sunFmProblem_data_t *
99 problem_lookup_uuid_next(const char *uuid)
100 {
101 sunFmProblem_data_t *key, *data;
102 uu_avl_index_t idx;
103
104 key = problem_key_build(uuid);
105
106 DEBUGMSGTL((MODNAME_STR, "lookup_next for uuid %s\n", uuid));
107 (void) uu_avl_find(problem_uuid_avl, key, NULL, &idx);
108
109 data = uu_avl_nearest_next(problem_uuid_avl, idx);
110
111 DEBUGMSGTL((MODNAME_STR, "lookup_next: entry is %p\n", data));
112
113 return (data);
114 }
115
116 static sunFmFaultEvent_data_t *
117 faultevent_lookup_index_exact(sunFmProblem_data_t *data, ulong_t index)
118 {
119 if (index > data->d_nsuspects)
120 return (NULL);
121
122 if (data->d_suspects == NULL)
123 return (NULL);
124
125 return (data->d_suspects[index - 1]);
126 }
127
128 static sunFmFaultStatus_data_t
129 faultstatus_lookup_index_exact(sunFmProblem_data_t *data, ulong_t index)
130 {
131 if (index > data->d_nsuspects)
132 return (0);
133
134 if (data->d_statuses == NULL)
135 return (0);
136
137 if (data->d_valid != valid_stamp)
138 return (0);
139
140 return (data->d_statuses[index - 1]);
141 }
142
143 /*ARGSUSED*/
144 static int
145 problem_update_one(const fmd_adm_caseinfo_t *acp, void *arg)
146 {
147 sunFmProblem_data_t *data;
148 nvlist_t *nvl;
149 int64_t *diag_time;
150 uint_t nelem;
151 uint32_t nsusp;
152 int err;
153
154 DEBUGMSGTL((MODNAME_STR, "update_one\n"));
155
156 ASSERT(acp->aci_uuid != NULL);
157
158 if ((data = problem_lookup_uuid_exact(acp->aci_uuid)) == NULL) {
159 uu_avl_index_t idx;
160
161 DEBUGMSGTL((MODNAME_STR, "found new problem %s\n",
162 acp->aci_uuid));
163 if ((data = SNMP_MALLOC_TYPEDEF(sunFmProblem_data_t)) == NULL) {
164 (void) snmp_log(LOG_ERR, MODNAME_STR ": Out of memory "
165 "for new problem data at %s:%d\n", __FILE__,
166 __LINE__);
167 return (0);
168 }
169 if ((err = nvlist_dup(acp->aci_event, &data->d_aci_event, 0))
170 != 0) {
171 (void) snmp_log(LOG_ERR, MODNAME_STR ": Problem data "
172 "setup failed: %s\n", strerror(err));
173 SNMP_FREE(data);
174 return (0);
175 }
176
177 data->d_aci_uuid = data->d_aci_code = data->d_aci_url = "-";
178 (void) nvlist_lookup_string(data->d_aci_event, FM_SUSPECT_UUID,
179 (char **)&data->d_aci_uuid);
180 (void) nvlist_lookup_string(data->d_aci_event,
181 FM_SUSPECT_DIAG_CODE, (char **)&data->d_aci_code);
182 data->d_aci_url = strdup(acp->aci_url);
183
184 if (nvlist_lookup_nvlist(data->d_aci_event, FM_SUSPECT_DE,
185 &nvl) == 0)
186 if ((data->d_diag_engine = sunFm_nvl2str(nvl)) == NULL)
187 data->d_diag_engine = "-";
188
189 if (nvlist_lookup_int64_array(data->d_aci_event,
190 FM_SUSPECT_DIAG_TIME, &diag_time, &nelem) == 0 &&
191 nelem >= 2) {
192 data->d_diag_time.tv_sec = (long)diag_time[0];
193 data->d_diag_time.tv_usec = (long)diag_time[1];
194 }
195
196 (void) nvlist_lookup_uint32(data->d_aci_event,
197 FM_SUSPECT_FAULT_SZ, &nsusp);
198 data->d_nsuspects = (ulong_t)nsusp;
199
200 (void) nvlist_lookup_nvlist_array(data->d_aci_event,
201 FM_SUSPECT_FAULT_LIST, &data->d_suspects, &nelem);
202
203 ASSERT(nelem == data->d_nsuspects);
204
205 (void) nvlist_lookup_uint8_array(data->d_aci_event,
206 FM_SUSPECT_FAULT_STATUS, &data->d_statuses, &nelem);
207
208 ASSERT(nelem == data->d_nsuspects);
209
210 uu_avl_node_init(data, &data->d_uuid_avl,
211 problem_uuid_avl_pool);
212 (void) uu_avl_find(problem_uuid_avl, data, NULL, &idx);
213 uu_avl_insert(problem_uuid_avl, data, idx);
214
215 data->d_valid = valid_stamp;
216
217 DEBUGMSGTL((MODNAME_STR, "completed new problem %s@%p\n",
218 data->d_aci_uuid, data));
219 } else {
220 uint8_t *statuses;
221 int i;
222
223 (void) nvlist_lookup_uint8_array(acp->aci_event,
224 FM_SUSPECT_FAULT_STATUS, &statuses, &nelem);
225
226 ASSERT(nelem == data->d_nsuspects);
227
228 for (i = 0; i < nelem; i++)
229 data->d_statuses[i] = statuses[i];
230
231 data->d_valid = valid_stamp;
232 }
233
234 /*
235 * We don't touch problems we've seen before; they shouldn't change
236 * in any way we care about, since they've already been solved. The
237 * state, however, could change, and if we later expose that to the
238 * client we need to update it here.
239 */
240
241 return (0);
242 }
243
244 static int
245 problem_update(sunFmProblem_update_ctx_t *update_ctx)
246 {
247 fmd_adm_t *adm;
248
249 ASSERT(update_ctx != NULL);
250 ASSERT((update_ctx->uc_type & (UCT_INDEX|UCT_ALL)) !=
251 (UCT_INDEX|UCT_ALL));
252 ASSERT((update_ctx->uc_type & ~UCT_FLAGS) == 0);
253 ASSERT(VALID_AVL_STATE);
254
255 if ((adm = fmd_adm_open(update_ctx->uc_host, update_ctx->uc_prog,
256 update_ctx->uc_version)) == NULL) {
257 (void) snmp_log(LOG_ERR, MODNAME_STR ": Communication with fmd "
258 "failed: %s\n", strerror(errno));
259 return (SNMP_ERR_RESOURCEUNAVAILABLE);
260 }
261
262 ++valid_stamp;
263 if (fmd_adm_case_iter(adm, SNMP_URL_MSG, problem_update_one,
264 update_ctx) != 0) {
265 (void) snmp_log(LOG_ERR, MODNAME_STR ": fmd case information "
266 "update failed: %s\n", fmd_adm_errmsg(adm));
267 fmd_adm_close(adm);
268 return (SNMP_ERR_RESOURCEUNAVAILABLE);
269 }
270
271 DEBUGMSGTL((MODNAME_STR, "case iteration completed\n"));
272
273 fmd_adm_close(adm);
274 return (SNMP_ERR_NOERROR);
275 }
276
277 /*ARGSUSED*/
278 static void
279 update_thread(void *arg)
280 {
281 /*
282 * The current problem_update implementation offers minimal savings
283 * for the use of index-only updates; therefore we always do a full
284 * update. If it becomes advantageous to limit updates to a single
285 * index, the contexts can be queued by the handler instead.
286 */
287 sunFmProblem_update_ctx_t uc;
288
289 uc.uc_host = NULL;
290 uc.uc_prog = FMD_ADM_PROGRAM;
291 uc.uc_version = FMD_ADM_VERSION;
292
293 uc.uc_index = NULL;
294 uc.uc_type = UCT_ALL;
295
296 for (;;) {
297 (void) pthread_mutex_lock(&update_lock);
298 update_status = US_QUIET;
299 while (update_status == US_QUIET)
300 (void) pthread_cond_wait(&update_cv, &update_lock);
301 update_status = US_INPROGRESS;
302 (void) pthread_mutex_unlock(&update_lock);
303 (void) problem_update(&uc);
304 }
305 }
306
307 static void
308 request_update(void)
309 {
310 (void) pthread_mutex_lock(&update_lock);
311 if (update_status != US_QUIET) {
312 (void) pthread_mutex_unlock(&update_lock);
313 return;
314 }
315 update_status = US_NEEDED;
316 (void) pthread_cond_signal(&update_cv);
317 (void) pthread_mutex_unlock(&update_lock);
318 }
319
320 /*ARGSUSED*/
321 static int
322 problem_compare_uuid(const void *l, const void *r, void *private)
323 {
324 sunFmProblem_data_t *l_data = (sunFmProblem_data_t *)l;
325 sunFmProblem_data_t *r_data = (sunFmProblem_data_t *)r;
326
327 ASSERT(l_data != NULL && r_data != NULL);
328
329 return (strcmp(l_data->d_aci_uuid, r_data->d_aci_uuid));
330 }
331
332 int
333 sunFmProblemTable_init(void)
334 {
335 static oid sunFmProblemTable_oid[] = { SUNFMPROBLEMTABLE_OID };
336 netsnmp_table_registration_info *table_info;
337 netsnmp_handler_registration *handler;
338 int err;
339
340 if ((err = pthread_mutex_init(&update_lock, NULL)) != 0) {
341 (void) snmp_log(LOG_ERR, MODNAME_STR ": mutex_init failure: "
342 "%s\n", strerror(err));
343 return (MIB_REGISTRATION_FAILED);
344 }
345 if ((err = pthread_cond_init(&update_cv, NULL)) != 0) {
346 (void) snmp_log(LOG_ERR, MODNAME_STR ": cond_init failure: "
347 "%s\n", strerror(err));
348 return (MIB_REGISTRATION_FAILED);
349 }
350
351 if ((err = pthread_create(NULL, NULL, (void *(*)(void *))update_thread,
352 NULL)) != 0) {
353 (void) snmp_log(LOG_ERR, MODNAME_STR ": error creating update "
354 "thread: %s\n", strerror(err));
355 return (MIB_REGISTRATION_FAILED);
356 }
357
358 if ((table_info =
359 SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info)) == NULL)
360 return (MIB_REGISTRATION_FAILED);
361
362 if ((handler = netsnmp_create_handler_registration("sunFmProblemTable",
363 sunFmProblemTable_handler, sunFmProblemTable_oid,
364 OID_LENGTH(sunFmProblemTable_oid), HANDLER_CAN_RONLY)) == NULL) {
365 SNMP_FREE(table_info);
366 return (MIB_REGISTRATION_FAILED);
367 }
368
369 /*
370 * The Net-SNMP template uses add_indexes here, but that
371 * function is unsafe because it does not check for failure.
372 */
373 if (netsnmp_table_helper_add_index(table_info, ASN_OCTET_STR) == NULL) {
374 SNMP_FREE(table_info);
375 SNMP_FREE(handler);
376 return (MIB_REGISTRATION_FAILED);
377 }
378
379 table_info->min_column = SUNFMPROBLEM_COLMIN;
380 table_info->max_column = SUNFMPROBLEM_COLMAX;
381
382 if ((problem_uuid_avl_pool = uu_avl_pool_create("problem_uuid",
383 sizeof (sunFmProblem_data_t),
384 offsetof(sunFmProblem_data_t, d_uuid_avl), problem_compare_uuid,
385 UU_AVL_DEBUG)) == NULL) {
386 (void) snmp_log(LOG_ERR, MODNAME_STR ": problem_uuid avl pool "
387 "creation failed: %s\n", uu_strerror(uu_error()));
388 snmp_free_varbind(table_info->indexes);
389 SNMP_FREE(table_info);
390 SNMP_FREE(handler);
391 return (MIB_REGISTRATION_FAILED);
392 }
393
394 if ((problem_uuid_avl = uu_avl_create(problem_uuid_avl_pool, NULL,
395 UU_AVL_DEBUG)) == NULL) {
396 (void) snmp_log(LOG_ERR, MODNAME_STR ": problem_uuid avl "
397 "creation failed: %s\n", uu_strerror(uu_error()));
398 snmp_free_varbind(table_info->indexes);
399 SNMP_FREE(table_info);
400 SNMP_FREE(handler);
401 uu_avl_pool_destroy(problem_uuid_avl_pool);
402 return (MIB_REGISTRATION_FAILED);
403 }
404
405 if ((err = netsnmp_register_table(handler, table_info)) !=
406 MIB_REGISTERED_OK) {
407 snmp_free_varbind(table_info->indexes);
408 SNMP_FREE(table_info);
409 SNMP_FREE(handler);
410 uu_avl_destroy(problem_uuid_avl);
411 uu_avl_pool_destroy(problem_uuid_avl_pool);
412 return (err);
413 }
414
415 return (MIB_REGISTERED_OK);
416 }
417
418 int
419 sunFmFaultEventTable_init(void)
420 {
421 static oid sunFmFaultEventTable_oid[] = { SUNFMFAULTEVENTTABLE_OID };
422 netsnmp_table_registration_info *table_info;
423 netsnmp_handler_registration *handler;
424 int err;
425
426 if ((table_info =
427 SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info)) == NULL)
428 return (MIB_REGISTRATION_FAILED);
429
430 if ((handler =
431 netsnmp_create_handler_registration("sunFmFaultEventTable",
432 sunFmFaultEventTable_handler, sunFmFaultEventTable_oid,
433 OID_LENGTH(sunFmFaultEventTable_oid), HANDLER_CAN_RONLY)) == NULL) {
434 SNMP_FREE(table_info);
435 return (MIB_REGISTRATION_FAILED);
436 }
437
438 /*
439 * The Net-SNMP template uses add_indexes here, but that
440 * function is unsafe because it does not check for failure.
441 */
442 if (netsnmp_table_helper_add_index(table_info, ASN_OCTET_STR) == NULL) {
443 SNMP_FREE(table_info);
444 SNMP_FREE(handler);
445 return (MIB_REGISTRATION_FAILED);
446 }
447 if (netsnmp_table_helper_add_index(table_info, ASN_UNSIGNED) == NULL) {
448 snmp_free_varbind(table_info->indexes);
449 SNMP_FREE(table_info);
450 SNMP_FREE(handler);
451 return (MIB_REGISTRATION_FAILED);
452 }
453
454 table_info->min_column = SUNFMFAULTEVENT_COLMIN;
455 table_info->max_column = SUNFMFAULTEVENT_COLMAX;
456
457 if ((err = netsnmp_register_table(handler, table_info)) !=
458 MIB_REGISTERED_OK) {
459 snmp_free_varbind(table_info->indexes);
460 SNMP_FREE(table_info);
461 SNMP_FREE(handler);
462 return (err);
463 }
464
465 return (MIB_REGISTERED_OK);
466 }
467
468 /*
469 * Returns the problem data for the problem whose uuid is next according
470 * to ASN.1 lexical ordering after the request in table_info. Indexes are
471 * updated to reflect the OID of the value being returned. This allows
472 * us to implement GETNEXT.
473 */
474 static sunFmProblem_data_t *
475 sunFmProblemTable_nextpr(netsnmp_handler_registration *reginfo,
476 netsnmp_table_request_info *table_info)
477 {
478 sunFmProblem_data_t *data;
479 char *uuid = "";
480
481 if (table_info->number_indexes < 1) {
482 oid tmpoid[MAX_OID_LEN];
483
484 DEBUGMSGTL((MODNAME_STR, "nextpr: no indexes given\n"));
485
486 snmp_free_varbind(table_info->indexes);
487 table_info->indexes =
488 SNMP_MALLOC_TYPEDEF(netsnmp_variable_list);
489 (void) snmp_set_var_typed_value(table_info->indexes,
490 ASN_OCTET_STR, (const uchar_t *)uuid, 0);
491 (void) memcpy(tmpoid, reginfo->rootoid,
492 reginfo->rootoid_len * sizeof (oid));
493 tmpoid[reginfo->rootoid_len] = 1;
494 tmpoid[reginfo->rootoid_len + 1] = table_info->colnum;
495 if (build_oid_segment(table_info->indexes) != SNMPERR_SUCCESS) {
496 snmp_free_varbind(table_info->indexes);
497 return (NULL);
498 }
499 table_info->number_indexes = 1;
500 table_info->index_oid_len = table_info->indexes->name_length;
501 (void) memcpy(table_info->index_oid, table_info->indexes->name,
502 table_info->indexes->name_length);
503
504 DEBUGMSGTL((MODNAME_STR, "nextpr: built fake index:\n"));
505 DEBUGMSGVAR((MODNAME_STR, table_info->indexes));
506 DEBUGMSG((MODNAME_STR, "\n"));
507 } else {
508 /*
509 * Construct the next possible UUID to look for. We can
510 * simply increment the least significant byte of the last
511 * UUID because (a) that preserves SNMP lex order and (b)
512 * the characters that may appear in a UUID do not include
513 * 127 nor 255.
514 */
515 uuid = alloca(table_info->indexes->val_len + 1);
516 (void) strlcpy(uuid,
517 (const char *)table_info->indexes->val.string,
518 table_info->indexes->val_len + 1);
519 ++uuid[table_info->indexes->val_len - 1];
520
521 DEBUGMSGTL((MODNAME_STR, "nextpr: received index:\n"));
522 DEBUGMSGVAR((MODNAME_STR, table_info->indexes));
523 DEBUGMSG((MODNAME_STR, "\n"));
524 }
525
526 if ((data = problem_lookup_uuid_next(uuid)) == NULL) {
527 DEBUGMSGTL((MODNAME_STR, "nextpr: next match not found for "
528 "%s; trying next column\n", uuid));
529 if (table_info->colnum >=
530 netsnmp_find_table_registration_info(reginfo)->max_column) {
531 snmp_free_varbind(table_info->indexes);
532 table_info->indexes = NULL;
533 table_info->number_indexes = 0;
534 DEBUGMSGTL((MODNAME_STR, "nextpr: out of columns\n"));
535 return (NULL);
536 }
537 table_info->colnum++;
538 DEBUGMSGTL((MODNAME_STR, "nextpr: search for col %u empty "
539 "uuid\n", table_info->colnum));
540
541 if ((data = problem_lookup_uuid_next("")) == NULL) {
542 DEBUGMSGTL((MODNAME_STR, "nextpr: next match not found "
543 "for empty uuid; stopping\n"));
544 snmp_free_varbind(table_info->indexes);
545 table_info->indexes = NULL;
546 table_info->number_indexes = 0;
547 return (NULL);
548 }
549 }
550
551 (void) snmp_set_var_typed_value(table_info->indexes, ASN_OCTET_STR,
552 (uchar_t *)data->d_aci_uuid, strlen(data->d_aci_uuid));
553 table_info->number_indexes = 1;
554
555 DEBUGMSGTL((MODNAME_STR, "matching data is %s@%p\n", data->d_aci_uuid,
556 data));
557
558 return (data);
559 }
560
561 /*
562 * Returns the problem data corresponding to the request in table_info.
563 * All request parameters are unmodified.
564 */
565 /*ARGSUSED*/
566 static sunFmProblem_data_t *
567 sunFmProblemTable_pr(netsnmp_handler_registration *reginfo,
568 netsnmp_table_request_info *table_info)
569 {
570 char *uuid;
571
572 ASSERT(table_info->number_indexes >= 1);
573
574 uuid = alloca(table_info->indexes->val_len + 1);
575 (void) strlcpy(uuid, (const char *)table_info->indexes->val.string,
576 table_info->indexes->val_len + 1);
577
578 return (problem_lookup_uuid_exact(uuid));
579 }
580
581 /*
582 * Returns the ASN.1 lexicographically first fault event after the one
583 * identified by table_info. Indexes are updated to reflect the OID
584 * of the data returned. This allows us to implement GETNEXT.
585 */
586 static sunFmFaultEvent_data_t *
587 sunFmFaultEventTable_nextfe(netsnmp_handler_registration *reginfo,
588 netsnmp_table_request_info *table_info, sunFmFaultStatus_data_t *statusp)
589 {
590 sunFmProblem_data_t *data;
591 sunFmFaultEvent_data_t *rv;
592 netsnmp_variable_list *var;
593 ulong_t index;
594
595 for (;;) {
596 switch (table_info->number_indexes) {
597 case 2:
598 default:
599 DEBUGMSGTL((MODNAME_STR, "nextfe: 2 indices:\n"));
600 DEBUGMSGVAR((MODNAME_STR, table_info->indexes));
601 DEBUGMSG((MODNAME_STR, "\n"));
602 DEBUGMSGVAR((MODNAME_STR,
603 table_info->indexes->next_variable));
604 DEBUGMSG((MODNAME_STR, "\n"));
605 index = *(ulong_t *)
606 table_info->indexes->next_variable->val.integer + 1;
607
608 if ((data = sunFmProblemTable_pr(reginfo,
609 table_info)) != NULL &&
610 (*statusp = faultstatus_lookup_index_exact(data,
611 index)) != 0 &&
612 (rv = faultevent_lookup_index_exact(data, index)) !=
613 NULL) {
614 (void) snmp_set_var_typed_value(
615 table_info->indexes->next_variable,
616 ASN_UNSIGNED, (uchar_t *)&index,
617 sizeof (index));
618 return (rv);
619 }
620
621 if (sunFmProblemTable_nextpr(reginfo, table_info) ==
622 NULL)
623 return (NULL);
624 break;
625 case 1:
626 if ((data = sunFmProblemTable_pr(reginfo,
627 table_info)) != NULL) {
628 oid tmpoid[MAX_OID_LEN];
629 index = 0;
630
631 DEBUGMSGTL((MODNAME_STR, "nextfe: 1 index:\n"));
632 DEBUGMSGVAR((MODNAME_STR, table_info->indexes));
633 DEBUGMSG((MODNAME_STR, "\n"));
634 var =
635 SNMP_MALLOC_TYPEDEF(netsnmp_variable_list);
636 (void) snmp_set_var_typed_value(var,
637 ASN_UNSIGNED, (uchar_t *)&index,
638 sizeof (index));
639 (void) memcpy(tmpoid, reginfo->rootoid,
640 reginfo->rootoid_len * sizeof (oid));
641 tmpoid[reginfo->rootoid_len] = 1;
642 tmpoid[reginfo->rootoid_len + 1] =
643 table_info->colnum;
644 if (build_oid_segment(var) != SNMPERR_SUCCESS) {
645 snmp_free_varbind(var);
646 return (NULL);
647 }
648 snmp_free_varbind(
649 table_info->indexes->next_variable);
650 table_info->indexes->next_variable = var;
651 table_info->number_indexes = 2;
652 DEBUGMSGTL((MODNAME_STR, "nextfe: built fake "
653 "index:\n"));
654 DEBUGMSGVAR((MODNAME_STR, table_info->indexes));
655 DEBUGMSG((MODNAME_STR, "\n"));
656 DEBUGMSGVAR((MODNAME_STR,
657 table_info->indexes->next_variable));
658 DEBUGMSG((MODNAME_STR, "\n"));
659 } else {
660 if (sunFmProblemTable_nextpr(reginfo,
661 table_info) == NULL)
662 return (NULL);
663 }
664 break;
665 case 0:
666 if (sunFmProblemTable_nextpr(reginfo, table_info) ==
667 NULL)
668 return (NULL);
669 break;
670 }
671 }
672 }
673
674 static sunFmFaultEvent_data_t *
675 sunFmFaultEventTable_fe(netsnmp_handler_registration *reginfo,
676 netsnmp_table_request_info *table_info, sunFmFaultStatus_data_t *statusp)
677 {
678 sunFmProblem_data_t *data;
679
680 ASSERT(table_info->number_indexes == 2);
681
682 if ((data = sunFmProblemTable_pr(reginfo, table_info)) == NULL)
683 return (NULL);
684
685 *statusp = faultstatus_lookup_index_exact(data,
686 *(ulong_t *)table_info->indexes->next_variable->val.integer);
687 if (*statusp == 0)
688 return (NULL);
689 return (faultevent_lookup_index_exact(data,
690 *(ulong_t *)table_info->indexes->next_variable->val.integer));
691 }
692
693 /*ARGSUSED*/
694 static void
695 sunFmProblemTable_return(unsigned int reg, void *arg)
696 {
697 netsnmp_delegated_cache *cache = (netsnmp_delegated_cache *)arg;
698 netsnmp_request_info *request;
699 netsnmp_agent_request_info *reqinfo;
700 netsnmp_handler_registration *reginfo;
701 netsnmp_table_request_info *table_info;
702 sunFmProblem_data_t *data;
703
704 ASSERT(netsnmp_handler_check_cache(cache) != NULL);
705
706 (void) pthread_mutex_lock(&update_lock);
707 if (update_status != US_QUIET) {
708 struct timeval tv;
709
710 tv.tv_sec = UPDATE_WAIT_MILLIS / 1000;
711 tv.tv_usec = (UPDATE_WAIT_MILLIS % 1000) * 1000;
712
713 (void) snmp_alarm_register_hr(tv, 0, sunFmProblemTable_return,
714 cache);
715 (void) pthread_mutex_unlock(&update_lock);
716 return;
717 }
718
719 request = cache->requests;
720 reqinfo = cache->reqinfo;
721 reginfo = cache->reginfo;
722
723 table_info = netsnmp_extract_table_info(request);
724 request->delegated = 0;
725
726 ASSERT(table_info->colnum >= SUNFMPROBLEM_COLMIN);
727 ASSERT(table_info->colnum <= SUNFMPROBLEM_COLMAX);
728
729 /*
730 * table_info->colnum contains the column number requested.
731 * table_info->indexes contains a linked list of snmp variable
732 * bindings for the indexes of the table. Values in the list
733 * have been set corresponding to the indexes of the
734 * request. We have other guarantees as well:
735 *
736 * - The column number is always within range.
737 * - If we have no index data, table_info->index_oid_len is 0.
738 * - We will never receive requests outside our table nor
739 * those with the first subid anything other than 1 (Entry)
740 * nor those without a column number. This is true even
741 * for GETNEXT requests.
742 */
743
744 switch (reqinfo->mode) {
745 case MODE_GET:
746 if ((data = sunFmProblemTable_pr(reginfo, table_info)) ==
747 NULL) {
748 netsnmp_free_delegated_cache(cache);
749 (void) pthread_mutex_unlock(&update_lock);
750 return;
751 }
752 break;
753 case MODE_GETNEXT:
754 case MODE_GETBULK:
755 if ((data = sunFmProblemTable_nextpr(reginfo, table_info)) ==
756 NULL) {
757 netsnmp_free_delegated_cache(cache);
758 (void) pthread_mutex_unlock(&update_lock);
759 return;
760 }
761 break;
762 default:
763 (void) snmp_log(LOG_ERR, MODNAME_STR ": Unsupported request "
764 "mode %d\n", reqinfo->mode);
765 netsnmp_free_delegated_cache(cache);
766 (void) pthread_mutex_unlock(&update_lock);
767 return;
768 }
769
770 switch (table_info->colnum) {
771 case SUNFMPROBLEM_COL_UUID:
772 {
773 (void) netsnmp_table_build_result(reginfo, request, table_info,
774 ASN_OCTET_STR, (uchar_t *)data->d_aci_uuid,
775 strlen(data->d_aci_uuid));
776 break;
777 }
778 case SUNFMPROBLEM_COL_CODE:
779 {
780 (void) netsnmp_table_build_result(reginfo, request, table_info,
781 ASN_OCTET_STR, (uchar_t *)data->d_aci_code,
782 strlen(data->d_aci_code));
783 break;
784 }
785 case SUNFMPROBLEM_COL_URL:
786 {
787 (void) netsnmp_table_build_result(reginfo, request, table_info,
788 ASN_OCTET_STR, (uchar_t *)data->d_aci_url,
789 strlen(data->d_aci_url));
790 break;
791 }
792 case SUNFMPROBLEM_COL_DIAGENGINE:
793 {
794 (void) netsnmp_table_build_result(reginfo, request, table_info,
795 ASN_OCTET_STR, (uchar_t *)data->d_diag_engine,
796 strlen(data->d_diag_engine));
797 break;
798 }
799 case SUNFMPROBLEM_COL_DIAGTIME:
800 {
801 /*
802 * The date_n_time function is not Y2038-safe; this may
803 * need to be updated when a suitable Y2038-safe Net-SNMP
804 * API is available.
805 */
806 size_t dt_size;
807 time_t dt_time = (time_t)data->d_diag_time.tv_sec;
808 uchar_t *dt = date_n_time(&dt_time, &dt_size);
809
810 (void) netsnmp_table_build_result(reginfo, request, table_info,
811 ASN_OCTET_STR, dt, dt_size);
812 break;
813 }
814 case SUNFMPROBLEM_COL_SUSPECTCOUNT:
815 {
816 (void) netsnmp_table_build_result(reginfo, request, table_info,
817 ASN_UNSIGNED, (uchar_t *)&data->d_nsuspects,
818 sizeof (data->d_nsuspects));
819 break;
820 }
821 default:
822 break;
823 }
824
825 netsnmp_free_delegated_cache(cache);
826 (void) pthread_mutex_unlock(&update_lock);
827 }
828
829 static int
830 sunFmProblemTable_handler(netsnmp_mib_handler *handler,
831 netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *reqinfo,
832 netsnmp_request_info *requests)
833 {
834 netsnmp_request_info *request;
835 struct timeval tv;
836
837 tv.tv_sec = UPDATE_WAIT_MILLIS / 1000;
838 tv.tv_usec = (UPDATE_WAIT_MILLIS % 1000) * 1000;
839
840 request_update();
841
842 for (request = requests; request; request = request->next) {
843 if (request->processed != 0)
844 continue;
845
846 if (netsnmp_extract_table_info(request) == NULL)
847 continue;
848
849 request->delegated = 1;
850 (void) snmp_alarm_register_hr(tv, 0,
851 sunFmProblemTable_return,
852 (void *) netsnmp_create_delegated_cache(handler, reginfo,
853 reqinfo, request, NULL));
854 }
855
856 return (SNMP_ERR_NOERROR);
857 }
858
859 /*ARGSUSED*/
860 static void
861 sunFmFaultEventTable_return(unsigned int reg, void *arg)
862 {
863 netsnmp_delegated_cache *cache = (netsnmp_delegated_cache *)arg;
864 netsnmp_request_info *request;
865 netsnmp_agent_request_info *reqinfo;
866 netsnmp_handler_registration *reginfo;
867 netsnmp_table_request_info *table_info;
868 sunFmProblem_data_t *pdata;
869 sunFmFaultEvent_data_t *data;
870 sunFmFaultStatus_data_t status;
871
872 ASSERT(netsnmp_handler_check_cache(cache) != NULL);
873
874 (void) pthread_mutex_lock(&update_lock);
875 if (update_status != US_QUIET) {
876 struct timeval tv;
877
878 tv.tv_sec = UPDATE_WAIT_MILLIS / 1000;
879 tv.tv_usec = (UPDATE_WAIT_MILLIS % 1000) * 1000;
880
881 (void) snmp_alarm_register_hr(tv, 0,
882 sunFmFaultEventTable_return, cache);
883 (void) pthread_mutex_unlock(&update_lock);
884 return;
885 }
886
887 request = cache->requests;
888 reqinfo = cache->reqinfo;
889 reginfo = cache->reginfo;
890
891 table_info = netsnmp_extract_table_info(request);
892 request->delegated = 0;
893
894 ASSERT(table_info->colnum >= SUNFMFAULTEVENT_COLMIN);
895 ASSERT(table_info->colnum <= SUNFMFAULTEVENT_COLMAX);
896
897 /*
898 * table_info->colnum contains the column number requested.
899 * table_info->indexes contains a linked list of snmp variable
900 * bindings for the indexes of the table. Values in the list
901 * have been set corresponding to the indexes of the
902 * request. We have other guarantees as well:
903 *
904 * - The column number is always within range.
905 * - If we have no index data, table_info->index_oid_len is 0.
906 * - We will never receive requests outside our table nor
907 * those with the first subid anything other than 1 (Entry)
908 * nor those without a column number. This is true even
909 * for GETNEXT requests.
910 */
911
912 switch (reqinfo->mode) {
913 case MODE_GET:
914 if ((data = sunFmFaultEventTable_fe(reginfo, table_info,
915 &status)) == NULL) {
916 netsnmp_free_delegated_cache(cache);
917 (void) pthread_mutex_unlock(&update_lock);
918 return;
919 }
920 break;
921 case MODE_GETNEXT:
922 case MODE_GETBULK:
923 if ((data = sunFmFaultEventTable_nextfe(reginfo, table_info,
924 &status)) == NULL) {
925 netsnmp_free_delegated_cache(cache);
926 (void) pthread_mutex_unlock(&update_lock);
927 return;
928 }
929 break;
930 default:
931 (void) snmp_log(LOG_ERR, MODNAME_STR ": Unsupported request "
932 "mode %d\n", reqinfo->mode);
933 netsnmp_free_delegated_cache(cache);
934 (void) pthread_mutex_unlock(&update_lock);
935 return;
936 }
937
938 switch (table_info->colnum) {
939 case SUNFMFAULTEVENT_COL_PROBLEMUUID:
940 {
941 if ((pdata = sunFmProblemTable_pr(reginfo, table_info))
942 == NULL) {
943 (void) netsnmp_table_build_result(reginfo, request,
944 table_info, ASN_OCTET_STR, NULL, 0);
945 break;
946 }
947 (void) netsnmp_table_build_result(reginfo, request, table_info,
948 ASN_OCTET_STR, (uchar_t *)pdata->d_aci_uuid,
949 strlen(pdata->d_aci_uuid));
950 break;
951 }
952 case SUNFMFAULTEVENT_COL_CLASS:
953 {
954 char *class = "-";
955
956 (void) nvlist_lookup_string(data, FM_CLASS, &class);
957 (void) netsnmp_table_build_result(reginfo, request, table_info,
958 ASN_OCTET_STR, (uchar_t *)class, strlen(class));
959 break;
960 }
961 case SUNFMFAULTEVENT_COL_CERTAINTY:
962 {
963 uint8_t pct = 0;
964 ulong_t pl;
965
966 (void) nvlist_lookup_uint8(data, FM_FAULT_CERTAINTY,
967 &pct);
968 pl = (ulong_t)pct;
969 (void) netsnmp_table_build_result(reginfo, request, table_info,
970 ASN_UNSIGNED, (uchar_t *)&pl, sizeof (pl));
971 break;
972 }
973 case SUNFMFAULTEVENT_COL_ASRU:
974 {
975 nvlist_t *asru = NULL;
976 char *fmri, *str;
977
978 (void) nvlist_lookup_nvlist(data, FM_FAULT_ASRU, &asru);
979 if ((str = sunFm_nvl2str(asru)) == NULL)
980 fmri = "-";
981 else
982 fmri = str;
983
984 (void) netsnmp_table_build_result(reginfo, request, table_info,
985 ASN_OCTET_STR, (uchar_t *)fmri, strlen(fmri));
986 free(str);
987 break;
988 }
989 case SUNFMFAULTEVENT_COL_FRU:
990 {
991 nvlist_t *fru = NULL;
992 char *fmri, *str;
993
994 (void) nvlist_lookup_nvlist(data, FM_FAULT_FRU, &fru);
995 if ((str = sunFm_nvl2str(fru)) == NULL)
996 fmri = "-";
997 else
998 fmri = str;
999
1000 (void) netsnmp_table_build_result(reginfo, request, table_info,
1001 ASN_OCTET_STR, (uchar_t *)fmri, strlen(fmri));
1002 free(str);
1003 break;
1004 }
1005 case SUNFMFAULTEVENT_COL_RESOURCE:
1006 {
1007 nvlist_t *rsrc = NULL;
1008 char *fmri, *str;
1009
1010 (void) nvlist_lookup_nvlist(data, FM_FAULT_RESOURCE, &rsrc);
1011 if ((str = sunFm_nvl2str(rsrc)) == NULL)
1012 fmri = "-";
1013 else
1014 fmri = str;
1015
1016 (void) netsnmp_table_build_result(reginfo, request, table_info,
1017 ASN_OCTET_STR, (uchar_t *)fmri, strlen(fmri));
1018 free(str);
1019 break;
1020 }
1021 case SUNFMFAULTEVENT_COL_STATUS:
1022 {
1023 ulong_t pl = SUNFMFAULTEVENT_STATE_OTHER;
1024
1025 if (status & FM_SUSPECT_FAULTY)
1026 pl = SUNFMFAULTEVENT_STATE_FAULTY;
1027 else if (status & FM_SUSPECT_NOT_PRESENT)
1028 pl = SUNFMFAULTEVENT_STATE_REMOVED;
1029 else if (status & FM_SUSPECT_REPLACED)
1030 pl = SUNFMFAULTEVENT_STATE_REPLACED;
1031 else if (status & FM_SUSPECT_REPAIRED)
1032 pl = SUNFMFAULTEVENT_STATE_REPAIRED;
1033 else if (status & FM_SUSPECT_ACQUITTED)
1034 pl = SUNFMFAULTEVENT_STATE_ACQUITTED;
1035 (void) netsnmp_table_build_result(reginfo, request, table_info,
1036 ASN_INTEGER, (uchar_t *)&pl, sizeof (pl));
1037 break;
1038 }
1039 case SUNFMFAULTEVENT_COL_LOCATION:
1040 {
1041 char *location = "-";
1042
1043 (void) nvlist_lookup_string(data, FM_FAULT_LOCATION, &location);
1044 (void) netsnmp_table_build_result(reginfo, request, table_info,
1045 ASN_OCTET_STR, (uchar_t *)location, strlen(location));
1046 break;
1047 }
1048 default:
1049 break;
1050 }
1051
1052 netsnmp_free_delegated_cache(cache);
1053 (void) pthread_mutex_unlock(&update_lock);
1054 }
1055
1056 static int
1057 sunFmFaultEventTable_handler(netsnmp_mib_handler *handler,
1058 netsnmp_handler_registration *reginfo, netsnmp_agent_request_info *reqinfo,
1059 netsnmp_request_info *requests)
1060 {
1061 netsnmp_request_info *request;
1062 struct timeval tv;
1063
1064 tv.tv_sec = UPDATE_WAIT_MILLIS / 1000;
1065 tv.tv_usec = (UPDATE_WAIT_MILLIS % 1000) * 1000;
1066
1067 request_update();
1068
1069 for (request = requests; request; request = request->next) {
1070 if (request->processed != 0)
1071 continue;
1072
1073 if (netsnmp_extract_table_info(request) == NULL)
1074 continue;
1075
1076 request->delegated = 1;
1077 (void) snmp_alarm_register_hr(tv, 0,
1078 sunFmFaultEventTable_return,
1079 (void *) netsnmp_create_delegated_cache(handler, reginfo,
1080 reqinfo, request, NULL));
1081 }
1082
1083 return (SNMP_ERR_NOERROR);
1084 }
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