source: vendor/current/source3/registry/reg_perfcount.c

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 42.3 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 *
5 * Copyright (C) Marcin Krzysztof Porwit 2005,
6 * Copyright (C) Gerald (Jerry) Carter 2005.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 */
21
22#include "includes.h"
23#include "system/filesys.h"
24#include "../librpc/gen_ndr/perfcount.h"
25#include "registry.h"
26#include "reg_perfcount.h"
27#include "../libcli/registry/util_reg.h"
28#include "util_tdb.h"
29
30#undef DBGC_CLASS
31#define DBGC_CLASS DBGC_REGISTRY
32
33#define PERFCOUNT_MAX_LEN 256
34
35#define PERFCOUNTDIR "perfmon"
36#define NAMES_DB "names.tdb"
37#define DATA_DB "data.tdb"
38
39struct PERF_OBJECT_TYPE *_reg_perfcount_find_obj(struct PERF_DATA_BLOCK *block, int objind);
40
41/*********************************************************************
42*********************************************************************/
43
44/* returns perfcount path for dbname allocated on talloc_tos */
45static char *counters_directory(const char *dbname)
46{
47 char *dir_path = NULL;
48 char *db_subpath = NULL;
49 char *ret = NULL;
50
51 dir_path = state_path(PERFCOUNTDIR);
52 if (dir_path == NULL) {
53 return NULL;
54 }
55
56 if (!directory_create_or_exist(dir_path, 0755)) {
57 TALLOC_FREE(dir_path);
58 return NULL;
59 }
60
61 db_subpath = talloc_asprintf(dir_path, "%s/%s", PERFCOUNTDIR, dbname);
62 if (db_subpath == NULL) {
63 TALLOC_FREE(dir_path);
64 return NULL;
65 }
66
67 ret = state_path(db_subpath);
68 TALLOC_FREE(dir_path);
69 return ret;
70}
71
72/*********************************************************************
73*********************************************************************/
74
75uint32_t reg_perfcount_get_base_index(void)
76{
77 char *fname;
78 TDB_CONTEXT *names;
79 TDB_DATA kbuf, dbuf;
80 char key[] = "1";
81 uint32_t retval = 0;
82 char buf[PERFCOUNT_MAX_LEN];
83
84 fname = counters_directory(NAMES_DB);
85 if (fname == NULL) {
86 return 0;
87 }
88
89 names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
90
91 if ( !names ) {
92 DEBUG(2, ("reg_perfcount_get_base_index: unable to open [%s].\n", fname));
93 TALLOC_FREE(fname);
94 return 0;
95 }
96 /* needs to read the value of key "1" from the counter_names.tdb file, as that is
97 where the total number of counters is stored. We're assuming no holes in the
98 enumeration.
99 The format for the counter_names.tdb file is:
100 key value
101 1 num_counters
102 2 perf_counter1
103 3 perf_counter1_help
104 4 perf_counter2
105 5 perf_counter2_help
106 even_num perf_counter<even_num>
107 even_num+1 perf_counter<even_num>_help
108 and so on.
109 So last_counter becomes num_counters*2, and last_help will be last_counter+1 */
110 kbuf = string_tdb_data(key);
111 dbuf = tdb_fetch(names, kbuf);
112 if(dbuf.dptr == NULL)
113 {
114 DEBUG(1, ("reg_perfcount_get_base_index: failed to find key \'1\' in [%s].\n", fname));
115 tdb_close(names);
116 TALLOC_FREE(fname);
117 return 0;
118 }
119
120 tdb_close(names);
121 TALLOC_FREE(fname);
122 memset(buf, 0, PERFCOUNT_MAX_LEN);
123 memcpy(buf, dbuf.dptr, dbuf.dsize);
124 retval = (uint32_t)atoi(buf);
125 SAFE_FREE(dbuf.dptr);
126 return retval;
127}
128
129/*********************************************************************
130*********************************************************************/
131
132uint32_t reg_perfcount_get_last_counter(uint32_t base_index)
133{
134 uint32_t retval;
135
136 if(base_index == 0)
137 retval = 0;
138 else
139 retval = base_index * 2;
140
141 return retval;
142}
143
144/*********************************************************************
145*********************************************************************/
146
147uint32_t reg_perfcount_get_last_help(uint32_t last_counter)
148{
149 uint32_t retval;
150
151 if(last_counter == 0)
152 retval = 0;
153 else
154 retval = last_counter + 1;
155
156 return retval;
157}
158
159
160/*********************************************************************
161*********************************************************************/
162
163static uint32_t _reg_perfcount_multi_sz_from_tdb(TDB_CONTEXT *tdb,
164 int keyval,
165 char **retbuf,
166 uint32_t buffer_size)
167{
168 TDB_DATA kbuf, dbuf;
169 char temp[256];
170 char *buf1 = *retbuf;
171 uint32_t working_size = 0;
172 DATA_BLOB name_index, name;
173 bool ok;
174
175 memset(temp, 0, sizeof(temp));
176 snprintf(temp, sizeof(temp), "%d", keyval);
177 kbuf = string_tdb_data(temp);
178 dbuf = tdb_fetch(tdb, kbuf);
179 if(dbuf.dptr == NULL)
180 {
181 /* If a key isn't there, just bypass it -- this really shouldn't
182 happen unless someone's mucking around with the tdb */
183 DEBUG(3, ("_reg_perfcount_multi_sz_from_tdb: failed to find key [%s] in [%s].\n",
184 temp, tdb_name(tdb)));
185 return buffer_size;
186 }
187 /* First encode the name_index */
188 working_size = (kbuf.dsize + 1)*sizeof(uint16_t);
189 buf1 = (char *)SMB_REALLOC(buf1, buffer_size + working_size);
190 if(!buf1) {
191 buffer_size = 0;
192 return buffer_size;
193 }
194 ok = push_reg_sz(talloc_tos(), &name_index, (const char *)kbuf.dptr);
195 if (!ok) {
196 buffer_size = 0;
197 return buffer_size;
198 }
199 memcpy(buf1+buffer_size, (char *)name_index.data, working_size);
200 buffer_size += working_size;
201 /* Now encode the actual name */
202 working_size = (dbuf.dsize + 1)*sizeof(uint16_t);
203 buf1 = (char *)SMB_REALLOC(buf1, buffer_size + working_size);
204 if(!buf1) {
205 buffer_size = 0;
206 return buffer_size;
207 }
208 memset(temp, 0, sizeof(temp));
209 memcpy(temp, dbuf.dptr, dbuf.dsize);
210 SAFE_FREE(dbuf.dptr);
211 ok = push_reg_sz(talloc_tos(), &name, temp);
212 if (!ok) {
213 buffer_size = 0;
214 return buffer_size;
215 }
216 memcpy(buf1+buffer_size, (char *)name.data, working_size);
217 buffer_size += working_size;
218
219 *retbuf = buf1;
220
221 return buffer_size;
222}
223
224/*********************************************************************
225*********************************************************************/
226
227uint32_t reg_perfcount_get_counter_help(uint32_t base_index, char **retbuf)
228{
229 char *buf1 = NULL;
230 uint32_t buffer_size = 0;
231 TDB_CONTEXT *names;
232 char *fname;
233 int i;
234
235 if (base_index == 0) {
236 return 0;
237 }
238
239 fname = counters_directory(NAMES_DB);
240 if (fname == NULL) {
241 return 0;
242 }
243
244 names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
245
246 if (names == NULL) {
247 DEBUG(1, ("reg_perfcount_get_counter_help: unable to open [%s].\n", fname));
248 TALLOC_FREE(fname);
249 return 0;
250 }
251 TALLOC_FREE(fname);
252
253 for(i = 1; i <= base_index; i++)
254 {
255 buffer_size = _reg_perfcount_multi_sz_from_tdb(names, (i*2)+1, retbuf, buffer_size);
256 }
257 tdb_close(names);
258
259 /* Now terminate the MULTI_SZ with a double unicode NULL */
260 buf1 = *retbuf;
261 buf1 = (char *)SMB_REALLOC(buf1, buffer_size + 2);
262 if(!buf1) {
263 buffer_size = 0;
264 } else {
265 buf1[buffer_size++] = '\0';
266 buf1[buffer_size++] = '\0';
267 }
268
269 *retbuf = buf1;
270
271 return buffer_size;
272}
273
274/*********************************************************************
275*********************************************************************/
276
277uint32_t reg_perfcount_get_counter_names(uint32_t base_index, char **retbuf)
278{
279 char *buf1 = NULL;
280 uint32_t buffer_size = 0;
281 TDB_CONTEXT *names;
282 char *fname;
283 int i;
284
285 if (base_index == 0) {
286 return 0;
287 }
288
289 fname = counters_directory(NAMES_DB);
290 if (fname == NULL) {
291 return 0;
292 }
293
294 names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
295
296 if (names == NULL) {
297 DEBUG(1, ("reg_perfcount_get_counter_names: unable to open [%s].\n", fname));
298 TALLOC_FREE(fname);
299 return 0;
300 }
301 TALLOC_FREE(fname);
302
303 buffer_size = _reg_perfcount_multi_sz_from_tdb(names, 1, retbuf, buffer_size);
304
305 for(i = 1; i <= base_index; i++)
306 {
307 buffer_size = _reg_perfcount_multi_sz_from_tdb(names, i*2, retbuf, buffer_size);
308 }
309 tdb_close(names);
310
311 /* Now terminate the MULTI_SZ with a double unicode NULL */
312 buf1 = *retbuf;
313 buf1 = (char *)SMB_REALLOC(buf1, buffer_size + 2);
314 if(!buf1) {
315 buffer_size = 0;
316 } else {
317 buf1[buffer_size++] = '\0';
318 buf1[buffer_size++] = '\0';
319 }
320
321 *retbuf=buf1;
322
323 return buffer_size;
324}
325
326/*********************************************************************
327*********************************************************************/
328
329static void _reg_perfcount_make_key(TDB_DATA *key,
330 char *buf,
331 int buflen,
332 int key_part1,
333 const char *key_part2)
334{
335 memset(buf, 0, buflen);
336 if(key_part2 != NULL)
337 snprintf(buf, buflen,"%d%s", key_part1, key_part2);
338 else
339 snprintf(buf, buflen, "%d", key_part1);
340
341 *key = string_tdb_data(buf);
342
343 return;
344}
345
346/*********************************************************************
347*********************************************************************/
348
349static bool _reg_perfcount_isparent(TDB_DATA data)
350{
351 if(data.dsize > 0)
352 {
353 if(data.dptr[0] == 'p')
354 return True;
355 else
356 return False;
357 }
358 return False;
359}
360
361/*********************************************************************
362*********************************************************************/
363
364static bool _reg_perfcount_ischild(TDB_DATA data)
365{
366 if(data.dsize > 0)
367 {
368 if(data.dptr[0] == 'c')
369 return True;
370 else
371 return False;
372 }
373 return False;
374}
375
376/*********************************************************************
377*********************************************************************/
378
379static uint32_t _reg_perfcount_get_numinst(int objInd, TDB_CONTEXT *names)
380{
381 TDB_DATA key, data;
382 char buf[PERFCOUNT_MAX_LEN];
383
384 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, objInd, "inst");
385 data = tdb_fetch(names, key);
386
387 if(data.dptr == NULL)
388 return (uint32_t)PERF_NO_INSTANCES;
389
390 memset(buf, 0, PERFCOUNT_MAX_LEN);
391 memcpy(buf, data.dptr, data.dsize);
392 SAFE_FREE(data.dptr);
393 return (uint32_t)atoi(buf);
394}
395
396/*********************************************************************
397*********************************************************************/
398
399static bool _reg_perfcount_add_instance(struct PERF_OBJECT_TYPE *obj,
400 TALLOC_CTX *mem_ctx,
401 int instInd,
402 TDB_CONTEXT *names);
403
404static bool _reg_perfcount_add_object(struct PERF_DATA_BLOCK *block,
405 TALLOC_CTX *mem_ctx,
406 int num,
407 TDB_DATA data,
408 TDB_CONTEXT *names)
409{
410 int i;
411 bool success = True;
412 struct PERF_OBJECT_TYPE *obj;
413
414 block->objects = (struct PERF_OBJECT_TYPE *)talloc_realloc(mem_ctx,
415 block->objects,
416 struct PERF_OBJECT_TYPE,
417 block->NumObjectTypes+1);
418 if(block->objects == NULL)
419 return False;
420 obj = &(block->objects[block->NumObjectTypes]);
421 memset((void *)&(block->objects[block->NumObjectTypes]), 0, sizeof(struct PERF_OBJECT_TYPE));
422 block->objects[block->NumObjectTypes].ObjectNameTitleIndex = num;
423 block->objects[block->NumObjectTypes].ObjectNameTitlePointer = 0;
424 block->objects[block->NumObjectTypes].ObjectHelpTitleIndex = num+1;
425 block->objects[block->NumObjectTypes].ObjectHelpTitlePointer = 0;
426 block->objects[block->NumObjectTypes].NumCounters = 0;
427 block->objects[block->NumObjectTypes].DefaultCounter = 0;
428 block->objects[block->NumObjectTypes].NumInstances = _reg_perfcount_get_numinst(num, names);
429 block->objects[block->NumObjectTypes].counters = NULL;
430 block->objects[block->NumObjectTypes].instances = NULL;
431 block->objects[block->NumObjectTypes].counter_data.ByteLength = sizeof(uint32_t);
432 block->objects[block->NumObjectTypes].counter_data.data = NULL;
433 block->objects[block->NumObjectTypes].DetailLevel = PERF_DETAIL_NOVICE;
434 block->NumObjectTypes+=1;
435
436 for(i = 0; i < (int)obj->NumInstances; i++) {
437 success = _reg_perfcount_add_instance(obj, mem_ctx, i, names);
438 }
439
440 return success;
441}
442
443/*********************************************************************
444*********************************************************************/
445
446static bool _reg_perfcount_get_counter_data(TDB_DATA key, TDB_DATA *data)
447{
448 TDB_CONTEXT *counters;
449 char *fname;
450
451 fname = counters_directory(DATA_DB);
452 if (fname == NULL) {
453 return false;
454 }
455
456 counters = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
457
458 if (counters == NULL) {
459 DEBUG(1, ("reg_perfcount_get_counter_data: unable to open [%s].\n", fname));
460 TALLOC_FREE(fname);
461 return False;
462 }
463 TALLOC_FREE(fname);
464
465 *data = tdb_fetch(counters, key);
466
467 tdb_close(counters);
468
469 return True;
470}
471
472/*********************************************************************
473*********************************************************************/
474
475static uint32_t _reg_perfcount_get_size_field(uint32_t CounterType)
476{
477 uint32_t retval;
478
479 retval = CounterType;
480
481 /* First mask out reserved lower 8 bits */
482 retval = retval & 0xFFFFFF00;
483 retval = retval << 22;
484 retval = retval >> 22;
485
486 return retval;
487}
488
489/*********************************************************************
490*********************************************************************/
491
492static uint32_t _reg_perfcount_compute_scale(int64_t data)
493{
494 int scale = 0;
495 if(data == 0)
496 return scale;
497 while(data > 100)
498 {
499 data /= 10;
500 scale--;
501 }
502 while(data < 10)
503 {
504 data *= 10;
505 scale++;
506 }
507
508 return (uint32_t)scale;
509}
510
511/*********************************************************************
512*********************************************************************/
513
514static bool _reg_perfcount_get_counter_info(struct PERF_DATA_BLOCK *block,
515 TALLOC_CTX *mem_ctx,
516 int CounterIndex,
517 struct PERF_OBJECT_TYPE *obj,
518 TDB_CONTEXT *names)
519{
520 TDB_DATA key, data;
521 char buf[PERFCOUNT_MAX_LEN];
522 size_t dsize, padding;
523 long int data32, dbuf[2];
524 int64_t data64;
525 uint32_t counter_size;
526
527 obj->counters[obj->NumCounters].DefaultScale = 0;
528 dbuf[0] = dbuf[1] = 0;
529 padding = 0;
530
531 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, CounterIndex, "type");
532 data = tdb_fetch(names, key);
533 if(data.dptr == NULL)
534 {
535 DEBUG(3, ("_reg_perfcount_get_counter_info: No type data for counter [%d].\n", CounterIndex));
536 return False;
537 }
538 memset(buf, 0, PERFCOUNT_MAX_LEN);
539 memcpy(buf, data.dptr, data.dsize);
540 obj->counters[obj->NumCounters].CounterType = atoi(buf);
541 DEBUG(10, ("_reg_perfcount_get_counter_info: Got type [%d] for counter [%d].\n",
542 obj->counters[obj->NumCounters].CounterType, CounterIndex));
543 SAFE_FREE(data.dptr);
544
545 /* Fetch the actual data */
546 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, CounterIndex, "");
547 _reg_perfcount_get_counter_data(key, &data);
548 if(data.dptr == NULL)
549 {
550 DEBUG(3, ("_reg_perfcount_get_counter_info: No counter data for counter [%d].\n", CounterIndex));
551 return False;
552 }
553
554 counter_size = _reg_perfcount_get_size_field(obj->counters[obj->NumCounters].CounterType);
555
556 if(counter_size == PERF_SIZE_DWORD)
557 {
558 dsize = sizeof(data32);
559 memset(buf, 0, PERFCOUNT_MAX_LEN);
560 memcpy(buf, data.dptr, data.dsize);
561 data32 = strtol(buf, NULL, 0);
562 if((obj->counters[obj->NumCounters].CounterType & 0x00000F00) == PERF_TYPE_NUMBER)
563 obj->counters[obj->NumCounters].DefaultScale = _reg_perfcount_compute_scale((int64_t)data32);
564 else
565 obj->counters[obj->NumCounters].DefaultScale = 0;
566 dbuf[0] = data32;
567 padding = (dsize - (obj->counter_data.ByteLength%dsize)) % dsize;
568 }
569 else if(counter_size == PERF_SIZE_LARGE)
570 {
571 dsize = sizeof(data64);
572 memset(buf, 0, PERFCOUNT_MAX_LEN);
573 memcpy(buf, data.dptr, data.dsize);
574 data64 = atof(buf);
575 if((obj->counters[obj->NumCounters].CounterType & 0x00000F00) == PERF_TYPE_NUMBER)
576 obj->counters[obj->NumCounters].DefaultScale = _reg_perfcount_compute_scale(data64);
577 else
578 obj->counters[obj->NumCounters].DefaultScale = 0;
579 memcpy((void *)dbuf, (const void *)&data64, dsize);
580 padding = (dsize - (obj->counter_data.ByteLength%dsize)) % dsize;
581 }
582 else /* PERF_SIZE_VARIABLE_LEN */
583 {
584 dsize = data.dsize;
585 memset(buf, 0, PERFCOUNT_MAX_LEN);
586 memcpy(buf, data.dptr, data.dsize);
587 }
588 SAFE_FREE(data.dptr);
589
590 obj->counter_data.ByteLength += dsize + padding;
591 obj->counter_data.data = talloc_realloc(mem_ctx,
592 obj->counter_data.data,
593 uint8_t,
594 obj->counter_data.ByteLength - sizeof(uint32_t));
595 if(obj->counter_data.data == NULL)
596 return False;
597 if(dbuf[0] != 0 || dbuf[1] != 0)
598 {
599 memcpy((void *)(obj->counter_data.data +
600 (obj->counter_data.ByteLength - (sizeof(uint32_t) + dsize))),
601 (const void *)dbuf, dsize);
602 }
603 else
604 {
605 /* Handling PERF_SIZE_VARIABLE_LEN */
606 memcpy((void *)(obj->counter_data.data +
607 (obj->counter_data.ByteLength - (sizeof(uint32_t) + dsize))),
608 (const void *)buf, dsize);
609 }
610 obj->counters[obj->NumCounters].CounterOffset = obj->counter_data.ByteLength - dsize;
611 if(obj->counters[obj->NumCounters].CounterOffset % dsize != 0)
612 {
613 DEBUG(3,("Improperly aligned counter [%d]\n", obj->NumCounters));
614 }
615 obj->counters[obj->NumCounters].CounterSize = dsize;
616
617 return True;
618}
619
620/*********************************************************************
621*********************************************************************/
622
623struct PERF_OBJECT_TYPE *_reg_perfcount_find_obj(struct PERF_DATA_BLOCK *block, int objind)
624{
625 int i;
626
627 struct PERF_OBJECT_TYPE *obj = NULL;
628
629 for(i = 0; i < block->NumObjectTypes; i++)
630 {
631 if(block->objects[i].ObjectNameTitleIndex == objind)
632 {
633 obj = &(block->objects[i]);
634 }
635 }
636
637 return obj;
638}
639
640/*********************************************************************
641*********************************************************************/
642
643static bool _reg_perfcount_add_counter(struct PERF_DATA_BLOCK *block,
644 TALLOC_CTX *mem_ctx,
645 int num,
646 TDB_DATA data,
647 TDB_CONTEXT *names)
648{
649 char *begin, *end, *start, *stop;
650 int parent;
651 struct PERF_OBJECT_TYPE *obj;
652 bool success = True;
653 char buf[PERFCOUNT_MAX_LEN];
654
655 obj = NULL;
656 memset(buf, 0, PERFCOUNT_MAX_LEN);
657 memcpy(buf, data.dptr, data.dsize);
658 begin = strchr(buf, '[');
659 end = strchr(buf, ']');
660 if(begin == NULL || end == NULL)
661 return False;
662 start = begin+1;
663
664 while(start < end) {
665 stop = strchr(start, ',');
666 if(stop == NULL)
667 stop = end;
668 *stop = '\0';
669 parent = atoi(start);
670
671 obj = _reg_perfcount_find_obj(block, parent);
672 if(obj == NULL) {
673 /* At this point we require that the parent object exist.
674 This can probably be handled better at some later time */
675 DEBUG(3, ("_reg_perfcount_add_counter: Could not find parent object [%d] for counter [%d].\n",
676 parent, num));
677 return False;
678 }
679 obj->counters = (struct PERF_COUNTER_DEFINITION *)talloc_realloc(mem_ctx,
680 obj->counters,
681 struct PERF_COUNTER_DEFINITION,
682 obj->NumCounters+1);
683 if(obj->counters == NULL)
684 return False;
685 memset((void *)&(obj->counters[obj->NumCounters]), 0, sizeof(struct PERF_COUNTER_DEFINITION));
686 obj->counters[obj->NumCounters].CounterNameTitleIndex=num;
687 obj->counters[obj->NumCounters].CounterHelpTitleIndex=num+1;
688 obj->counters[obj->NumCounters].DetailLevel = PERF_DETAIL_NOVICE;
689 obj->counters[obj->NumCounters].ByteLength = sizeof(struct PERF_COUNTER_DEFINITION);
690 success = _reg_perfcount_get_counter_info(block, mem_ctx, num, obj, names);
691 obj->NumCounters += 1;
692 start = stop + 1;
693 }
694
695 /* Handle case of Objects/Counters without any counter data, which would suggest
696 that the required instances are not there yet, so change NumInstances from
697 PERF_NO_INSTANCES to 0 */
698
699 return success;
700}
701
702/*********************************************************************
703*********************************************************************/
704
705static bool _reg_perfcount_get_instance_info(struct PERF_INSTANCE_DEFINITION *inst,
706 TALLOC_CTX *mem_ctx,
707 int instId,
708 struct PERF_OBJECT_TYPE *obj,
709 TDB_CONTEXT *names)
710{
711 TDB_DATA key, data;
712 char buf[PERFCOUNT_MAX_LEN], temp[PERFCOUNT_MAX_LEN];
713 smb_ucs2_t *name = NULL;
714 int pad;
715
716 /* First grab the instance data from the data file */
717 memset(temp, 0, PERFCOUNT_MAX_LEN);
718 snprintf(temp, PERFCOUNT_MAX_LEN, "i%d", instId);
719 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, obj->ObjectNameTitleIndex, temp);
720 if (!_reg_perfcount_get_counter_data(key, &data)) {
721 DEBUG(3, ("_reg_perfcount_get_counter_data failed\n"));
722 return false;
723 }
724 if(data.dptr == NULL)
725 {
726 DEBUG(3, ("_reg_perfcount_get_instance_info: No instance data for instance [%s].\n",
727 buf));
728 return False;
729 }
730 inst->counter_data.ByteLength = data.dsize + sizeof(inst->counter_data.ByteLength);
731 inst->counter_data.data = talloc_realloc(mem_ctx,
732 inst->counter_data.data,
733 uint8_t,
734 data.dsize);
735 if(inst->counter_data.data == NULL)
736 return False;
737 memset(inst->counter_data.data, 0, data.dsize);
738 memcpy(inst->counter_data.data, data.dptr, data.dsize);
739 SAFE_FREE(data.dptr);
740
741 /* Fetch instance name */
742 memset(temp, 0, PERFCOUNT_MAX_LEN);
743 snprintf(temp, PERFCOUNT_MAX_LEN, "i%dname", instId);
744 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, obj->ObjectNameTitleIndex, temp);
745 data = tdb_fetch(names, key);
746 if(data.dptr == NULL)
747 {
748 /* Not actually an error, but possibly unintended? -- just logging FYI */
749 DEBUG(3, ("_reg_perfcount_get_instance_info: No instance name for instance [%s].\n",
750 buf));
751 inst->NameLength = 0;
752 }
753 else
754 {
755 memset(buf, 0, PERFCOUNT_MAX_LEN);
756 memcpy(buf, data.dptr, MIN(PERFCOUNT_MAX_LEN-1,data.dsize));
757 buf[PERFCOUNT_MAX_LEN-1] = '\0';
758 inst->NameLength = rpcstr_push_talloc(mem_ctx, &name, buf);
759 if (inst->NameLength == (uint32_t)-1 || !name) {
760 SAFE_FREE(data.dptr);
761 return False;
762 }
763 inst->data = talloc_realloc(mem_ctx,
764 inst->data,
765 uint8_t,
766 inst->NameLength);
767 if (inst->data == NULL) {
768 SAFE_FREE(data.dptr);
769 return False;
770 }
771 memcpy(inst->data, name, inst->NameLength);
772 SAFE_FREE(data.dptr);
773 }
774
775 inst->ParentObjectTitleIndex = 0;
776 inst->ParentObjectTitlePointer = 0;
777 inst->UniqueID = PERF_NO_UNIQUE_ID;
778 inst->NameOffset = 6 * sizeof(uint32_t);
779
780 inst->ByteLength = inst->NameOffset + inst->NameLength;
781 /* Need to be aligned on a 64-bit boundary here for counter_data */
782 if((pad = (inst->ByteLength % 8)))
783 {
784 pad = 8 - pad;
785 inst->data = talloc_realloc(mem_ctx,
786 inst->data,
787 uint8_t,
788 inst->NameLength + pad);
789 memset(inst->data + inst->NameLength, 0, pad);
790 inst->ByteLength += pad;
791 }
792
793 return True;
794}
795
796/*********************************************************************
797*********************************************************************/
798
799static bool _reg_perfcount_add_instance(struct PERF_OBJECT_TYPE *obj,
800 TALLOC_CTX *mem_ctx,
801 int instInd,
802 TDB_CONTEXT *names)
803{
804 struct PERF_INSTANCE_DEFINITION *inst;
805
806 if(obj->instances == NULL) {
807 obj->instances = talloc_realloc(mem_ctx,
808 obj->instances,
809 struct PERF_INSTANCE_DEFINITION,
810 obj->NumInstances);
811 }
812 if(obj->instances == NULL)
813 return False;
814
815 memset(&(obj->instances[instInd]), 0, sizeof(struct PERF_INSTANCE_DEFINITION));
816 inst = &(obj->instances[instInd]);
817 return _reg_perfcount_get_instance_info(inst, mem_ctx, instInd, obj, names);
818}
819
820/*********************************************************************
821*********************************************************************/
822
823static int _reg_perfcount_assemble_global(struct PERF_DATA_BLOCK *block,
824 TALLOC_CTX *mem_ctx,
825 int base_index,
826 TDB_CONTEXT *names)
827{
828 bool success;
829 int i, j, retval = 0;
830 char keybuf[PERFCOUNT_MAX_LEN];
831 TDB_DATA key, data;
832
833 for(i = 1; i <= base_index; i++)
834 {
835 j = i*2;
836 _reg_perfcount_make_key(&key, keybuf, PERFCOUNT_MAX_LEN, j, "rel");
837 data = tdb_fetch(names, key);
838 if(data.dptr != NULL)
839 {
840 if(_reg_perfcount_isparent(data))
841 success = _reg_perfcount_add_object(block, mem_ctx, j, data, names);
842 else if(_reg_perfcount_ischild(data))
843 success = _reg_perfcount_add_counter(block, mem_ctx, j, data, names);
844 else
845 {
846 DEBUG(3, ("Bogus relationship [%s] for counter [%d].\n", data.dptr, j));
847 success = False;
848 }
849 if(success == False)
850 {
851 DEBUG(3, ("_reg_perfcount_assemble_global: Failed to add new relationship for counter [%d].\n", j));
852 retval = -1;
853 }
854 SAFE_FREE(data.dptr);
855 }
856 else
857 DEBUG(3, ("NULL relationship for counter [%d] using key [%s].\n", j, keybuf));
858 }
859 return retval;
860}
861
862/*********************************************************************
863*********************************************************************/
864
865static bool _reg_perfcount_get_64(uint64_t *retval,
866 TDB_CONTEXT *tdb,
867 int key_part1,
868 const char *key_part2)
869{
870 TDB_DATA key, data;
871 char buf[PERFCOUNT_MAX_LEN];
872
873 _reg_perfcount_make_key(&key, buf, PERFCOUNT_MAX_LEN, key_part1, key_part2);
874
875 data = tdb_fetch(tdb, key);
876 if(data.dptr == NULL)
877 {
878 DEBUG(3,("_reg_perfcount_get_64: No data found for key [%s].\n", key.dptr));
879 return False;
880 }
881
882 memset(buf, 0, PERFCOUNT_MAX_LEN);
883 memcpy(buf, data.dptr, data.dsize);
884 SAFE_FREE(data.dptr);
885
886 *retval = atof(buf);
887
888 return True;
889}
890
891/*********************************************************************
892*********************************************************************/
893
894static bool _reg_perfcount_init_data_block_perf(struct PERF_DATA_BLOCK *block,
895 TDB_CONTEXT *names)
896{
897 uint64_t PerfFreq, PerfTime, PerfTime100nSec;
898 TDB_CONTEXT *counters;
899 bool status = False;
900 char *fname;
901
902 fname = counters_directory(DATA_DB);
903 if (fname == NULL) {
904 return false;
905 }
906
907 counters = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
908
909 if (counters == NULL) {
910 DEBUG(1, ("reg_perfcount_init_data_block_perf: unable to open [%s].\n", fname));
911 TALLOC_FREE(fname);
912 return False;
913 }
914 TALLOC_FREE(fname);
915
916 status = _reg_perfcount_get_64(&PerfFreq, names, 0, "PerfFreq");
917 if(status == False)
918 {
919 tdb_close(counters);
920 return status;
921 }
922 memcpy((void *)&(block->PerfFreq), (const void *)&PerfFreq, sizeof(PerfFreq));
923
924 status = _reg_perfcount_get_64(&PerfTime, counters, 0, "PerfTime");
925 if(status == False)
926 {
927 tdb_close(counters);
928 return status;
929 }
930 memcpy((void *)&(block->PerfTime), (const void *)&PerfTime, sizeof(PerfTime));
931
932 status = _reg_perfcount_get_64(&PerfTime100nSec, counters, 0, "PerfTime100nSec");
933 if(status == False)
934 {
935 tdb_close(counters);
936 return status;
937 }
938 memcpy((void *)&(block->PerfTime100nSec), (const void *)&PerfTime100nSec, sizeof(PerfTime100nSec));
939
940 tdb_close(counters);
941 return True;
942}
943
944/*******************************************************************
945********************************************************************/
946
947static bool make_systemtime(struct SYSTEMTIME *systime, struct tm *unixtime)
948{
949 systime->year=unixtime->tm_year+1900;
950 systime->month=unixtime->tm_mon+1;
951 systime->dayofweek=unixtime->tm_wday;
952 systime->day=unixtime->tm_mday;
953 systime->hour=unixtime->tm_hour;
954 systime->minute=unixtime->tm_min;
955 systime->second=unixtime->tm_sec;
956 systime->milliseconds=0;
957
958 return True;
959}
960
961/*********************************************************************
962*********************************************************************/
963
964static bool _reg_perfcount_init_data_block(struct PERF_DATA_BLOCK *block,
965 TALLOC_CTX *mem_ctx, TDB_CONTEXT *names,
966 bool bigendian_data)
967{
968 smb_ucs2_t *temp = NULL;
969 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
970 time_t tm;
971 size_t sz;
972
973 sz = rpcstr_push_talloc(tmp_ctx, &temp, "PERF");
974 if ((sz == -1) || (temp == NULL)) {
975 goto err_out;
976 }
977 memcpy(block->Signature, temp, strlen_w(temp) *2);
978
979 if(bigendian_data)
980 block->LittleEndian = 0;
981 else
982 block->LittleEndian = 1;
983 block->Version = 1;
984 block->Revision = 1;
985 block->TotalByteLength = 0;
986 block->NumObjectTypes = 0;
987 block->DefaultObject = -1;
988 block->objects = NULL;
989 tm = time(NULL);
990 make_systemtime(&(block->SystemTime), gmtime(&tm));
991 _reg_perfcount_init_data_block_perf(block, names);
992
993 sz = rpcstr_push_talloc(tmp_ctx, &temp, lp_netbios_name());
994 if ((sz == -1) || (temp == NULL)) {
995 goto err_out;
996 }
997 block->SystemNameLength = (strlen_w(temp) * 2) + 2;
998 block->data = talloc_zero_array(mem_ctx, uint8_t, block->SystemNameLength + (8 - (block->SystemNameLength % 8)));
999 if (block->data == NULL) {
1000 goto err_out;
1001 }
1002 memcpy(block->data, temp, block->SystemNameLength);
1003 block->SystemNameOffset = sizeof(struct PERF_DATA_BLOCK) - sizeof(block->objects) - sizeof(block->data);
1004 block->HeaderLength = block->SystemNameOffset + block->SystemNameLength;
1005 /* Make sure to adjust for 64-bit alignment for when we finish writing the system name,
1006 so that the PERF_OBJECT_TYPE struct comes out 64-bit aligned */
1007 block->HeaderLength += 8 - (block->HeaderLength % 8);
1008 talloc_free(tmp_ctx);
1009
1010 return true;
1011
1012err_out:
1013 talloc_free(tmp_ctx);
1014 return false;
1015}
1016
1017/*********************************************************************
1018*********************************************************************/
1019
1020static uint32_t _reg_perfcount_perf_data_block_fixup(struct PERF_DATA_BLOCK *block, TALLOC_CTX *mem_ctx)
1021{
1022 int obj, cnt, inst, pad, i;
1023 struct PERF_OBJECT_TYPE *object;
1024 struct PERF_INSTANCE_DEFINITION *instance;
1025 struct PERF_COUNTER_DEFINITION *counter;
1026 struct PERF_COUNTER_BLOCK *counter_data;
1027 char *temp = NULL, *src_addr, *dst_addr;
1028
1029 block->TotalByteLength = 0;
1030 object = block->objects;
1031 for(obj = 0; obj < block->NumObjectTypes; obj++)
1032 {
1033 object[obj].TotalByteLength = 0;
1034 object[obj].DefinitionLength = 0;
1035 instance = object[obj].instances;
1036 counter = object[obj].counters;
1037 for(cnt = 0; cnt < object[obj].NumCounters; cnt++)
1038 {
1039 object[obj].TotalByteLength += counter[cnt].ByteLength;
1040 object[obj].DefinitionLength += counter[cnt].ByteLength;
1041 }
1042 if(object[obj].NumInstances != PERF_NO_INSTANCES)
1043 {
1044 for(inst = 0; inst < object[obj].NumInstances; inst++)
1045 {
1046 instance = &(object[obj].instances[inst]);
1047 object[obj].TotalByteLength += instance->ByteLength;
1048 counter_data = &(instance->counter_data);
1049 counter = &(object[obj].counters[object[obj].NumCounters - 1]);
1050 counter_data->ByteLength = counter->CounterOffset + counter->CounterSize + sizeof(counter_data->ByteLength);
1051 temp = talloc_realloc(mem_ctx,
1052 temp,
1053 char,
1054 counter_data->ByteLength- sizeof(counter_data->ByteLength));
1055 if (temp == NULL) {
1056 return 0;
1057 }
1058 memset(temp, 0, counter_data->ByteLength - sizeof(counter_data->ByteLength));
1059 src_addr = (char *)counter_data->data;
1060 for(i = 0; i < object[obj].NumCounters; i++)
1061 {
1062 counter = &(object[obj].counters[i]);
1063 dst_addr = temp + counter->CounterOffset - sizeof(counter_data->ByteLength);
1064 memcpy(dst_addr, src_addr, counter->CounterSize);
1065 src_addr += counter->CounterSize;
1066 }
1067 /* Make sure to be 64-bit aligned */
1068 if((pad = (counter_data->ByteLength % 8)))
1069 {
1070 pad = 8 - pad;
1071 }
1072 counter_data->data = talloc_realloc(mem_ctx,
1073 counter_data->data,
1074 uint8_t,
1075 counter_data->ByteLength - sizeof(counter_data->ByteLength) + pad);
1076 if (counter_data->data == NULL) {
1077 return 0;
1078 }
1079 memset(counter_data->data, 0, counter_data->ByteLength - sizeof(counter_data->ByteLength) + pad);
1080 memcpy(counter_data->data, temp, counter_data->ByteLength - sizeof(counter_data->ByteLength));
1081 counter_data->ByteLength += pad;
1082 object[obj].TotalByteLength += counter_data->ByteLength;
1083 }
1084 }
1085 else
1086 {
1087 /* Need to be 64-bit aligned at the end of the counter_data block, so pad counter_data to a 64-bit boundary,
1088 so that the next PERF_OBJECT_TYPE can start on a 64-bit alignment */
1089 if((pad = (object[obj].counter_data.ByteLength % 8)))
1090 {
1091 pad = 8 - pad;
1092 object[obj].counter_data.data = talloc_realloc(mem_ctx,
1093 object[obj].counter_data.data,
1094 uint8_t,
1095 object[obj].counter_data.ByteLength + pad);
1096 memset((void *)(object[obj].counter_data.data + object[obj].counter_data.ByteLength), 0, pad);
1097 object[obj].counter_data.ByteLength += pad;
1098 }
1099 object[obj].TotalByteLength += object[obj].counter_data.ByteLength;
1100 }
1101 object[obj].HeaderLength = sizeof(*object) - (sizeof(counter) + sizeof(instance) + sizeof(struct PERF_COUNTER_BLOCK));
1102 object[obj].TotalByteLength += object[obj].HeaderLength;
1103 object[obj].DefinitionLength += object[obj].HeaderLength;
1104
1105 block->TotalByteLength += object[obj].TotalByteLength;
1106 }
1107
1108 return block->TotalByteLength;
1109}
1110
1111/*********************************************************************
1112*********************************************************************/
1113
1114static uint32_t reg_perfcount_get_perf_data_block(uint32_t base_index,
1115 TALLOC_CTX *mem_ctx,
1116 struct PERF_DATA_BLOCK *block,
1117 const char *object_ids,
1118 bool bigendian_data)
1119{
1120 uint32_t buffer_size = 0;
1121 char *fname;
1122 TDB_CONTEXT *names;
1123 int retval = 0;
1124
1125 fname = counters_directory(NAMES_DB);
1126 if (fname == NULL) {
1127 return 0;
1128 }
1129
1130 names = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDONLY, 0444);
1131
1132 if(names == NULL)
1133 {
1134 DEBUG(1, ("reg_perfcount_get_perf_data_block: unable to open [%s].\n", fname));
1135 TALLOC_FREE(fname);
1136 return 0;
1137 }
1138 TALLOC_FREE(fname);
1139
1140 if (!_reg_perfcount_init_data_block(block, mem_ctx, names, bigendian_data)) {
1141 DEBUG(0, ("_reg_perfcount_init_data_block failed\n"));
1142 tdb_close(names);
1143 return 0;
1144 }
1145
1146 retval = _reg_perfcount_assemble_global(block, mem_ctx, base_index, names);
1147
1148 buffer_size = _reg_perfcount_perf_data_block_fixup(block, mem_ctx);
1149
1150 tdb_close(names);
1151
1152 if (retval == -1) {
1153 return 0;
1154 }
1155
1156 return buffer_size + block->HeaderLength;
1157}
1158
1159/*******************************************************************
1160********************************************************************/
1161
1162static bool smb_io_system_time(const char *desc, prs_struct *ps, int depth, struct SYSTEMTIME *systime)
1163{
1164 if(!prs_uint16("year", ps, depth, &systime->year))
1165 return False;
1166 if(!prs_uint16("month", ps, depth, &systime->month))
1167 return False;
1168 if(!prs_uint16("dayofweek", ps, depth, &systime->dayofweek))
1169 return False;
1170 if(!prs_uint16("day", ps, depth, &systime->day))
1171 return False;
1172 if(!prs_uint16("hour", ps, depth, &systime->hour))
1173 return False;
1174 if(!prs_uint16("minute", ps, depth, &systime->minute))
1175 return False;
1176 if(!prs_uint16("second", ps, depth, &systime->second))
1177 return False;
1178 if(!prs_uint16("milliseconds", ps, depth, &systime->milliseconds))
1179 return False;
1180
1181 return True;
1182}
1183
1184/*********************************************************************
1185*********************************************************************/
1186
1187static bool _reg_perfcount_marshall_perf_data_block(prs_struct *ps, struct PERF_DATA_BLOCK block, int depth)
1188{
1189 int i;
1190 prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_data_block");
1191 depth++;
1192
1193 if(!prs_align(ps))
1194 return False;
1195 for(i = 0; i < 4; i++)
1196 {
1197 if(!prs_uint16("Signature", ps, depth, &block.Signature[i]))
1198 return False;
1199 }
1200 if(!prs_uint32("Little Endian", ps, depth, &block.LittleEndian))
1201 return False;
1202 if(!prs_uint32("Version", ps, depth, &block.Version))
1203 return False;
1204 if(!prs_uint32("Revision", ps, depth, &block.Revision))
1205 return False;
1206 if(!prs_uint32("TotalByteLength", ps, depth, &block.TotalByteLength))
1207 return False;
1208 if(!prs_uint32("HeaderLength", ps, depth, &block.HeaderLength))
1209 return False;
1210 if(!prs_uint32("NumObjectTypes", ps, depth, &block.NumObjectTypes))
1211 return False;
1212 if(!prs_uint32("DefaultObject", ps, depth, &block.DefaultObject))
1213 return False;
1214 if(!smb_io_system_time("SystemTime", ps, depth, &block.SystemTime))
1215 return False;
1216 if(!prs_uint32("Padding", ps, depth, &block.Padding))
1217 return False;
1218 if(!prs_align_uint64(ps))
1219 return False;
1220 if(!prs_uint64("PerfTime", ps, depth, &block.PerfTime))
1221 return False;
1222 if(!prs_uint64("PerfFreq", ps, depth, &block.PerfFreq))
1223 return False;
1224 if(!prs_uint64("PerfTime100nSec", ps, depth, &block.PerfTime100nSec))
1225 return False;
1226 if(!prs_uint32("SystemNameLength", ps, depth, &block.SystemNameLength))
1227 return False;
1228 if(!prs_uint32("SystemNameOffset", ps, depth, &block.SystemNameOffset))
1229 return False;
1230 /* hack to make sure we're 64-bit aligned at the end of this whole mess */
1231 if(!prs_uint8s(False, "SystemName", ps, depth, block.data,
1232 block.HeaderLength - block.SystemNameOffset))
1233 return False;
1234
1235 return True;
1236}
1237
1238/*********************************************************************
1239*********************************************************************/
1240
1241static bool _reg_perfcount_marshall_perf_counters(prs_struct *ps,
1242 struct PERF_OBJECT_TYPE object,
1243 int depth)
1244{
1245 int cnt;
1246 struct PERF_COUNTER_DEFINITION counter;
1247
1248 prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_counters");
1249 depth++;
1250
1251 for(cnt = 0; cnt < object.NumCounters; cnt++)
1252 {
1253 counter = object.counters[cnt];
1254
1255 if(!prs_align(ps))
1256 return False;
1257 if(!prs_uint32("ByteLength", ps, depth, &counter.ByteLength))
1258 return False;
1259 if(!prs_uint32("CounterNameTitleIndex", ps, depth, &counter.CounterNameTitleIndex))
1260 return False;
1261 if(!prs_uint32("CounterNameTitlePointer", ps, depth, &counter.CounterNameTitlePointer))
1262 return False;
1263 if(!prs_uint32("CounterHelpTitleIndex", ps, depth, &counter.CounterHelpTitleIndex))
1264 return False;
1265 if(!prs_uint32("CounterHelpTitlePointer", ps, depth, &counter.CounterHelpTitlePointer))
1266 return False;
1267 if(!prs_uint32("DefaultScale", ps, depth, &counter.DefaultScale))
1268 return False;
1269 if(!prs_uint32("DetailLevel", ps, depth, &counter.DetailLevel))
1270 return False;
1271 if(!prs_uint32("CounterType", ps, depth, &counter.CounterType))
1272 return False;
1273 if(!prs_uint32("CounterSize", ps, depth, &counter.CounterSize))
1274 return False;
1275 if(!prs_uint32("CounterOffset", ps, depth, &counter.CounterOffset))
1276 return False;
1277 }
1278
1279 return True;
1280}
1281
1282/*********************************************************************
1283*********************************************************************/
1284
1285static bool _reg_perfcount_marshall_perf_counter_data(prs_struct *ps,
1286 struct PERF_COUNTER_BLOCK counter_data,
1287 int depth)
1288{
1289 prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_counter_data");
1290 depth++;
1291
1292 if(!prs_align_uint64(ps))
1293 return False;
1294
1295 if(!prs_uint32("ByteLength", ps, depth, &counter_data.ByteLength))
1296 return False;
1297 if(!prs_uint8s(False, "CounterData", ps, depth, counter_data.data, counter_data.ByteLength - sizeof(uint32_t)))
1298 return False;
1299 if(!prs_align_uint64(ps))
1300 return False;
1301
1302 return True;
1303}
1304
1305/*********************************************************************
1306*********************************************************************/
1307
1308static bool _reg_perfcount_marshall_perf_instances(prs_struct *ps,
1309 struct PERF_OBJECT_TYPE object,
1310 int depth)
1311{
1312 struct PERF_INSTANCE_DEFINITION instance;
1313 int inst;
1314
1315 prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_instances");
1316 depth++;
1317
1318 for(inst = 0; inst < object.NumInstances; inst++)
1319 {
1320 instance = object.instances[inst];
1321
1322 if(!prs_align(ps))
1323 return False;
1324 if(!prs_uint32("ByteLength", ps, depth, &instance.ByteLength))
1325 return False;
1326 if(!prs_uint32("ParentObjectTitleIndex", ps, depth, &instance.ParentObjectTitleIndex))
1327 return False;
1328 if(!prs_uint32("ParentObjectTitlePointer", ps, depth, &instance.ParentObjectTitlePointer))
1329 return False;
1330 if(!prs_uint32("UniqueID", ps, depth, &instance.UniqueID))
1331 return False;
1332 if(!prs_uint32("NameOffset", ps, depth, &instance.NameOffset))
1333 return False;
1334 if(!prs_uint32("NameLength", ps, depth, &instance.NameLength))
1335 return False;
1336 if(!prs_uint8s(False, "InstanceName", ps, depth, instance.data,
1337 instance.ByteLength - instance.NameOffset))
1338 return False;
1339 if(_reg_perfcount_marshall_perf_counter_data(ps, instance.counter_data, depth) == False)
1340 return False;
1341 }
1342
1343 return True;
1344}
1345
1346/*********************************************************************
1347*********************************************************************/
1348
1349static bool _reg_perfcount_marshall_perf_objects(prs_struct *ps, struct PERF_DATA_BLOCK block, int depth)
1350{
1351 int obj;
1352
1353 struct PERF_OBJECT_TYPE object;
1354
1355 prs_debug(ps, depth, "", "_reg_perfcount_marshall_perf_objects");
1356 depth++;
1357
1358 for(obj = 0; obj < block.NumObjectTypes; obj++)
1359 {
1360 object = block.objects[obj];
1361
1362 if(!prs_align(ps))
1363 return False;
1364
1365 if(!prs_uint32("TotalByteLength", ps, depth, &object.TotalByteLength))
1366 return False;
1367 if(!prs_uint32("DefinitionLength", ps, depth, &object.DefinitionLength))
1368 return False;
1369 if(!prs_uint32("HeaderLength", ps, depth, &object.HeaderLength))
1370 return False;
1371 if(!prs_uint32("ObjectNameTitleIndex", ps, depth, &object.ObjectNameTitleIndex))
1372 return False;
1373 if(!prs_uint32("ObjectNameTitlePointer", ps, depth, &object.ObjectNameTitlePointer))
1374 return False;
1375 if(!prs_uint32("ObjectHelpTitleIndex", ps, depth, &object.ObjectHelpTitleIndex))
1376 return False;
1377 if(!prs_uint32("ObjectHelpTitlePointer", ps, depth, &object.ObjectHelpTitlePointer))
1378 return False;
1379 if(!prs_uint32("DetailLevel", ps, depth, &object.DetailLevel))
1380 return False;
1381 if(!prs_uint32("NumCounters", ps, depth, &object.NumCounters))
1382 return False;
1383 if(!prs_uint32("DefaultCounter", ps, depth, &object.DefaultCounter))
1384 return False;
1385 if(!prs_uint32("NumInstances", ps, depth, &object.NumInstances))
1386 return False;
1387 if(!prs_uint32("CodePage", ps, depth, &object.CodePage))
1388 return False;
1389 if(!prs_align_uint64(ps))
1390 return False;
1391 if(!prs_uint64("PerfTime", ps, depth, &object.PerfTime))
1392 return False;
1393 if(!prs_uint64("PerfFreq", ps, depth, &object.PerfFreq))
1394 return False;
1395
1396 /* Now do the counters */
1397 /* If no instances, encode counter_data */
1398 /* If instances, encode instace plus counter data for each instance */
1399 if(_reg_perfcount_marshall_perf_counters(ps, object, depth) == False)
1400 return False;
1401 if(object.NumInstances == PERF_NO_INSTANCES)
1402 {
1403 if(_reg_perfcount_marshall_perf_counter_data(ps, object.counter_data, depth) == False)
1404 return False;
1405 }
1406 else
1407 {
1408 if(_reg_perfcount_marshall_perf_instances(ps, object, depth) == False)
1409 return False;
1410 }
1411 }
1412
1413 return True;
1414}
1415
1416/*********************************************************************
1417*********************************************************************/
1418
1419WERROR reg_perfcount_get_hkpd(prs_struct *ps, uint32_t max_buf_size, uint32_t *outbuf_len, const char *object_ids)
1420{
1421 /*
1422 * For a detailed description of the layout of this structure,
1423 * see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/perfmon/base/performance_data_format.asp
1424 *
1425 * By 2006-11-23 this link did not work anymore, I found something
1426 * promising under
1427 * http://msdn2.microsoft.com/en-us/library/aa373105.aspx -- vl
1428 */
1429 struct PERF_DATA_BLOCK block;
1430 uint32_t buffer_size, base_index;
1431
1432 buffer_size = 0;
1433 base_index = reg_perfcount_get_base_index();
1434 ZERO_STRUCT(block);
1435
1436 buffer_size = reg_perfcount_get_perf_data_block(base_index, ps->mem_ctx, &block, object_ids, ps->bigendian_data);
1437
1438 if(buffer_size < max_buf_size)
1439 {
1440 *outbuf_len = buffer_size;
1441
1442 if (!_reg_perfcount_marshall_perf_data_block(ps, block, 0))
1443 return WERR_NOMEM;
1444
1445 if (!_reg_perfcount_marshall_perf_objects(ps, block, 0))
1446 return WERR_NOMEM;
1447
1448 return WERR_OK;
1449 }
1450 else
1451 {
1452 *outbuf_len = max_buf_size;
1453 if (!_reg_perfcount_marshall_perf_data_block(ps, block, 0))
1454 return WERR_NOMEM;
1455
1456 return WERR_INSUFFICIENT_BUFFER;
1457 }
1458}
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