2 6bef87be 2018-09-11 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 6bef87be 2018-09-11 stsp * Permission to use, copy, modify, and distribute this software for any
5 6bef87be 2018-09-11 stsp * purpose with or without fee is hereby granted, provided that the above
6 6bef87be 2018-09-11 stsp * copyright notice and this permission notice appear in all copies.
8 6bef87be 2018-09-11 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 6bef87be 2018-09-11 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 6bef87be 2018-09-11 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 6bef87be 2018-09-11 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 6bef87be 2018-09-11 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 6bef87be 2018-09-11 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 6bef87be 2018-09-11 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 6bef87be 2018-09-11 stsp #include <sys/time.h>
18 6bef87be 2018-09-11 stsp #include <sys/queue.h>
19 d3c116bf 2021-10-15 stsp #include <sys/resource.h>
21 6bef87be 2018-09-11 stsp #include <stdio.h>
22 6bef87be 2018-09-11 stsp #include <stdlib.h>
23 a60c9e77 2019-05-22 stsp #include <stdint.h>
24 6bef87be 2018-09-11 stsp #include <string.h>
25 56e0773d 2019-11-28 stsp #include <limits.h>
26 6bef87be 2018-09-11 stsp #include <sha1.h>
27 5822e79e 2023-02-23 op #include <sha2.h>
28 6bef87be 2018-09-11 stsp #include <zlib.h>
30 6bef87be 2018-09-11 stsp #include "got_error.h"
31 6bef87be 2018-09-11 stsp #include "got_object.h"
33 6bef87be 2018-09-11 stsp #include "got_lib_delta.h"
34 6bef87be 2018-09-11 stsp #include "got_lib_inflate.h"
35 6bef87be 2018-09-11 stsp #include "got_lib_object.h"
36 f054b67a 2018-11-05 stsp #include "got_lib_object_idset.h"
37 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
40 a60c9e77 2019-05-22 stsp * XXX This should be reworked to track cache size and usage in bytes,
41 a60c9e77 2019-05-22 stsp * rather than tracking N elements capped to a maximum element size.
43 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_OBJ 256
44 9185b863 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_TREE 256
45 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_COMMIT 64
46 f0f17247 2022-12-01 stsp #define GOT_OBJECT_CACHE_SIZE_TAG 256
47 13b2bc37 2022-10-23 stsp #define GOT_OBJECT_CACHE_SIZE_RAW 16
48 a60c9e77 2019-05-22 stsp #define GOT_OBJECT_CACHE_MAX_ELEM_SIZE 1048576 /* 1 MB */
50 6bef87be 2018-09-11 stsp const struct got_error *
51 6bef87be 2018-09-11 stsp got_object_cache_init(struct got_object_cache *cache,
52 6bef87be 2018-09-11 stsp enum got_object_cache_type type)
54 d3c116bf 2021-10-15 stsp struct rlimit rl;
56 dab9d9b6 2018-11-05 stsp memset(cache, 0, sizeof(*cache));
58 f054b67a 2018-11-05 stsp cache->idset = got_object_idset_alloc();
59 f054b67a 2018-11-05 stsp if (cache->idset == NULL)
60 638f9024 2019-05-13 stsp return got_error_from_errno("got_object_idset_alloc");
62 f054b67a 2018-11-05 stsp cache->type = type;
63 6bef87be 2018-09-11 stsp switch (type) {
64 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
65 f054b67a 2018-11-05 stsp cache->size = GOT_OBJECT_CACHE_SIZE_OBJ;
67 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
68 f054b67a 2018-11-05 stsp cache->size = GOT_OBJECT_CACHE_SIZE_TREE;
70 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
71 f054b67a 2018-11-05 stsp cache->size = GOT_OBJECT_CACHE_SIZE_COMMIT;
73 f4a881ce 2018-11-17 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
74 f4a881ce 2018-11-17 stsp cache->size = GOT_OBJECT_CACHE_SIZE_TAG;
76 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
77 d3c116bf 2021-10-15 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
78 d3c116bf 2021-10-15 stsp return got_error_from_errno("getrlimit");
79 d3c116bf 2021-10-15 stsp cache->size = GOT_OBJECT_CACHE_SIZE_RAW;
80 d3c116bf 2021-10-15 stsp if (cache->size > rl.rlim_cur / 16)
81 d3c116bf 2021-10-15 stsp cache->size = rl.rlim_cur / 16;
84 6bef87be 2018-09-11 stsp return NULL;
88 a60c9e77 2019-05-22 stsp get_size_obj(struct got_object *obj)
90 a60c9e77 2019-05-22 stsp size_t size = sizeof(*obj);
91 a60c9e77 2019-05-22 stsp struct got_delta *delta;
93 a60c9e77 2019-05-22 stsp if ((obj->flags & GOT_OBJ_FLAG_DELTIFIED) == 0)
94 a60c9e77 2019-05-22 stsp return size;
96 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(delta, &obj->deltas.entries, entry) {
97 42c69117 2019-11-10 stsp if (SIZE_MAX - sizeof(*delta) < size)
98 a60c9e77 2019-05-22 stsp return SIZE_MAX;
99 42c69117 2019-11-10 stsp size += sizeof(*delta);
102 a60c9e77 2019-05-22 stsp return size;
105 336075a4 2022-06-25 op static size_t
106 a60c9e77 2019-05-22 stsp get_size_tree(struct got_tree_object *tree)
108 a60c9e77 2019-05-22 stsp size_t size = sizeof(*tree);
110 56e0773d 2019-11-28 stsp size += sizeof(struct got_tree_entry) * tree->nentries;
111 a60c9e77 2019-05-22 stsp return size;
114 336075a4 2022-06-25 op static size_t
115 a60c9e77 2019-05-22 stsp get_size_commit(struct got_commit_object *commit)
117 a60c9e77 2019-05-22 stsp size_t size = sizeof(*commit);
118 a60c9e77 2019-05-22 stsp struct got_object_qid *qid;
120 a60c9e77 2019-05-22 stsp size += sizeof(*commit->tree_id);
121 a60c9e77 2019-05-22 stsp size += strlen(commit->author);
122 a60c9e77 2019-05-22 stsp size += strlen(commit->committer);
123 a60c9e77 2019-05-22 stsp size += strlen(commit->logmsg);
125 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &commit->parent_ids, entry)
126 d7b5a0e8 2022-04-20 stsp size += sizeof(*qid) + sizeof(qid->id);
128 a60c9e77 2019-05-22 stsp return size;
131 336075a4 2022-06-25 op static size_t
132 a60c9e77 2019-05-22 stsp get_size_tag(struct got_tag_object *tag)
134 a60c9e77 2019-05-22 stsp size_t size = sizeof(*tag);
136 a60c9e77 2019-05-22 stsp size += strlen(tag->tag);
137 a60c9e77 2019-05-22 stsp size += strlen(tag->tagger);
138 a60c9e77 2019-05-22 stsp size += strlen(tag->tagmsg);
140 a60c9e77 2019-05-22 stsp return size;
143 336075a4 2022-06-25 op static size_t
144 d3c116bf 2021-10-15 stsp get_size_raw(struct got_raw_object *raw)
146 d3c116bf 2021-10-15 stsp return sizeof(*raw);
149 6bef87be 2018-09-11 stsp const struct got_error *
150 c0df5966 2021-12-31 stsp got_object_cache_add(struct got_object_cache *cache, struct got_object_id *id,
151 c0df5966 2021-12-31 stsp void *item)
153 6bef87be 2018-09-11 stsp const struct got_error *err = NULL;
154 6bef87be 2018-09-11 stsp struct got_object_cache_entry *ce;
156 a60c9e77 2019-05-22 stsp size_t size;
158 a60c9e77 2019-05-22 stsp switch (cache->type) {
159 a60c9e77 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
160 a60c9e77 2019-05-22 stsp size = get_size_obj((struct got_object *)item);
162 a60c9e77 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
163 a60c9e77 2019-05-22 stsp size = get_size_tree((struct got_tree_object *)item);
165 a60c9e77 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
166 a60c9e77 2019-05-22 stsp size = get_size_commit((struct got_commit_object *)item);
168 a60c9e77 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
169 a60c9e77 2019-05-22 stsp size = get_size_tag((struct got_tag_object *)item);
171 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
172 d3c116bf 2021-10-15 stsp size = get_size_raw((struct got_raw_object *)item);
175 a0de39f3 2019-08-09 stsp return got_error(GOT_ERR_OBJ_TYPE);
178 01cd7614 2019-05-22 stsp if (size > GOT_OBJECT_CACHE_MAX_ELEM_SIZE) {
179 01cd7614 2019-05-22 stsp #ifdef GOT_OBJ_CACHE_DEBUG
180 01cd7614 2019-05-22 stsp char *id_str;
181 01cd7614 2019-05-22 stsp if (got_object_id_str(&id_str, id) != NULL)
182 01cd7614 2019-05-22 stsp return got_error_from_errno("got_object_id_str");
183 01cd7614 2019-05-22 stsp fprintf(stderr, "%s: not caching ", getprogname());
184 01cd7614 2019-05-22 stsp switch (cache->type) {
185 01cd7614 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
186 01cd7614 2019-05-22 stsp fprintf(stderr, "object");
188 01cd7614 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
189 01cd7614 2019-05-22 stsp fprintf(stderr, "tree");
191 01cd7614 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
192 01cd7614 2019-05-22 stsp fprintf(stderr, "commit");
194 01cd7614 2019-05-22 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
195 01cd7614 2019-05-22 stsp fprintf(stderr, "tag");
197 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
198 d3c116bf 2021-10-15 stsp fprintf(stderr, "raw");
201 01cd7614 2019-05-22 stsp fprintf(stderr, " %s (%zd bytes; %zd MB)\n", id_str, size,
202 01cd7614 2019-05-22 stsp size/1024/1024);
203 01cd7614 2019-05-22 stsp free(id_str);
205 01cd7614 2019-05-22 stsp cache->cache_toolarge++;
206 79c99a64 2019-05-23 stsp return got_error(GOT_ERR_OBJ_TOO_LARGE);
209 f054b67a 2018-11-05 stsp nelem = got_object_idset_num_elements(cache->idset);
210 6bef87be 2018-09-11 stsp if (nelem >= cache->size) {
211 f054b67a 2018-11-05 stsp err = got_object_idset_remove((void **)&ce,
212 f054b67a 2018-11-05 stsp cache->idset, NULL);
214 6bef87be 2018-09-11 stsp return err;
215 6bef87be 2018-09-11 stsp switch (cache->type) {
216 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
217 6bef87be 2018-09-11 stsp got_object_close(ce->data.obj);
219 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
220 6bef87be 2018-09-11 stsp got_object_tree_close(ce->data.tree);
222 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
223 6bef87be 2018-09-11 stsp got_object_commit_close(ce->data.commit);
225 f4a881ce 2018-11-17 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
226 f4a881ce 2018-11-17 stsp got_object_tag_close(ce->data.tag);
228 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
229 d3c116bf 2021-10-15 stsp got_object_raw_close(ce->data.raw);
232 97714397 2022-08-30 stsp memset(ce, 0, sizeof(*ce));
233 315fa2b2 2018-09-15 stsp cache->cache_evict++;
235 97714397 2022-08-30 stsp ce = malloc(sizeof(*ce));
236 97714397 2022-08-30 stsp if (ce == NULL)
237 97714397 2022-08-30 stsp return got_error_from_errno("malloc");
240 6bef87be 2018-09-11 stsp memcpy(&ce->id, id, sizeof(ce->id));
241 6bef87be 2018-09-11 stsp switch (cache->type) {
242 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
243 6bef87be 2018-09-11 stsp ce->data.obj = (struct got_object *)item;
245 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
246 6bef87be 2018-09-11 stsp ce->data.tree = (struct got_tree_object *)item;
248 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
249 6bef87be 2018-09-11 stsp ce->data.commit = (struct got_commit_object *)item;
251 f4a881ce 2018-11-17 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
252 f4a881ce 2018-11-17 stsp ce->data.tag = (struct got_tag_object *)item;
254 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
255 d3c116bf 2021-10-15 stsp ce->data.raw = (struct got_raw_object *)item;
259 f054b67a 2018-11-05 stsp err = got_object_idset_add(cache->idset, id, ce);
262 97725928 2022-08-30 stsp else if (size > cache->max_cached_size)
263 97725928 2022-08-30 stsp cache->max_cached_size = size;
264 6bef87be 2018-09-11 stsp return err;
268 6bef87be 2018-09-11 stsp got_object_cache_get(struct got_object_cache *cache, struct got_object_id *id)
270 6bef87be 2018-09-11 stsp struct got_object_cache_entry *ce;
272 221e79cd 2018-09-16 stsp cache->cache_searches++;
273 f054b67a 2018-11-05 stsp ce = got_object_idset_get(cache->idset, id);
275 6bef87be 2018-09-11 stsp cache->cache_hit++;
276 6bef87be 2018-09-11 stsp switch (cache->type) {
277 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
278 6bef87be 2018-09-11 stsp return ce->data.obj;
279 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
280 6bef87be 2018-09-11 stsp return ce->data.tree;
281 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
282 6bef87be 2018-09-11 stsp return ce->data.commit;
283 f4a881ce 2018-11-17 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
284 f4a881ce 2018-11-17 stsp return ce->data.tag;
285 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
286 d3c116bf 2021-10-15 stsp return ce->data.raw;
290 6bef87be 2018-09-11 stsp cache->cache_miss++;
291 6bef87be 2018-09-11 stsp return NULL;
294 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
295 6bef87be 2018-09-11 stsp static void
296 6bef87be 2018-09-11 stsp print_cache_stats(struct got_object_cache *cache, const char *name)
298 221e79cd 2018-09-16 stsp fprintf(stderr, "%s: %s cache: %d elements, %d searches, %d hits, "
299 97725928 2022-08-30 stsp "%d missed, %d evicted, %d too large, max cached %zd bytes\n",
300 97725928 2022-08-30 stsp getprogname(), name,
301 a97a5e43 2022-08-31 op cache->idset ? got_object_idset_num_elements(cache->idset) : -1,
302 221e79cd 2018-09-16 stsp cache->cache_searches, cache->cache_hit,
303 97725928 2022-08-30 stsp cache->cache_miss, cache->cache_evict, cache->cache_toolarge,
304 97725928 2022-08-30 stsp cache->max_cached_size);
307 98275f2e 2022-08-30 op static const struct got_error *
308 cb103d04 2018-11-07 stsp check_refcount(struct got_object_id *id, void *data, void *arg)
310 6bef87be 2018-09-11 stsp struct got_object_cache *cache = arg;
311 6bef87be 2018-09-11 stsp struct got_object_cache_entry *ce = data;
312 6bef87be 2018-09-11 stsp struct got_object *obj;
313 6bef87be 2018-09-11 stsp struct got_tree_object *tree;
314 6bef87be 2018-09-11 stsp struct got_commit_object *commit;
315 f4a881ce 2018-11-17 stsp struct got_tag_object *tag;
316 d3c116bf 2021-10-15 stsp struct got_raw_object *raw;
317 6bef87be 2018-09-11 stsp char *id_str;
319 6bef87be 2018-09-11 stsp if (got_object_id_str(&id_str, id) != NULL)
320 cb103d04 2018-11-07 stsp return NULL;
322 6bef87be 2018-09-11 stsp switch (cache->type) {
323 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
324 6bef87be 2018-09-11 stsp obj = ce->data.obj;
325 6bef87be 2018-09-11 stsp if (obj->refcnt == 1)
327 6bef87be 2018-09-11 stsp fprintf(stderr, "object %s has %d unclaimed references\n",
328 6bef87be 2018-09-11 stsp id_str, obj->refcnt - 1);
330 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
331 6bef87be 2018-09-11 stsp tree = ce->data.tree;
332 6bef87be 2018-09-11 stsp if (tree->refcnt == 1)
334 6bef87be 2018-09-11 stsp fprintf(stderr, "tree %s has %d unclaimed references\n",
335 6bef87be 2018-09-11 stsp id_str, tree->refcnt - 1);
337 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
338 6bef87be 2018-09-11 stsp commit = ce->data.commit;
339 6bef87be 2018-09-11 stsp if (commit->refcnt == 1)
341 6bef87be 2018-09-11 stsp fprintf(stderr, "commit %s has %d unclaimed references\n",
342 414611d9 2018-09-19 stsp id_str, commit->refcnt - 1);
344 f4a881ce 2018-11-17 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
345 f4a881ce 2018-11-17 stsp tag = ce->data.tag;
346 f4a881ce 2018-11-17 stsp if (tag->refcnt == 1)
348 f4a881ce 2018-11-17 stsp fprintf(stderr, "tag %s has %d unclaimed references\n",
349 f4a881ce 2018-11-17 stsp id_str, tag->refcnt - 1);
351 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
352 d3c116bf 2021-10-15 stsp raw = ce->data.raw;
353 d3c116bf 2021-10-15 stsp if (raw->refcnt == 1)
355 d3c116bf 2021-10-15 stsp fprintf(stderr, "raw %s has %d unclaimed references\n",
356 d3c116bf 2021-10-15 stsp id_str, raw->refcnt - 1);
359 6bef87be 2018-09-11 stsp free(id_str);
360 cb103d04 2018-11-07 stsp return NULL;
364 54a0941e 2022-09-05 op static const struct got_error *
365 54a0941e 2022-09-05 op free_entry(struct got_object_id *id, void *data, void *arg)
367 54a0941e 2022-09-05 op struct got_object_cache *cache = arg;
368 54a0941e 2022-09-05 op struct got_object_cache_entry *ce = data;
370 54a0941e 2022-09-05 op switch (cache->type) {
371 54a0941e 2022-09-05 op case GOT_OBJECT_CACHE_TYPE_OBJ:
372 54a0941e 2022-09-05 op got_object_close(ce->data.obj);
374 54a0941e 2022-09-05 op case GOT_OBJECT_CACHE_TYPE_TREE:
375 54a0941e 2022-09-05 op got_object_tree_close(ce->data.tree);
377 54a0941e 2022-09-05 op case GOT_OBJECT_CACHE_TYPE_COMMIT:
378 54a0941e 2022-09-05 op got_object_commit_close(ce->data.commit);
380 54a0941e 2022-09-05 op case GOT_OBJECT_CACHE_TYPE_TAG:
381 54a0941e 2022-09-05 op got_object_tag_close(ce->data.tag);
383 54a0941e 2022-09-05 op case GOT_OBJECT_CACHE_TYPE_RAW:
384 54a0941e 2022-09-05 op got_object_raw_close(ce->data.raw);
394 6bef87be 2018-09-11 stsp got_object_cache_close(struct got_object_cache *cache)
396 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
397 6bef87be 2018-09-11 stsp switch (cache->type) {
398 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_OBJ:
399 6bef87be 2018-09-11 stsp print_cache_stats(cache, "object");
401 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_TREE:
402 6bef87be 2018-09-11 stsp print_cache_stats(cache, "tree");
404 6bef87be 2018-09-11 stsp case GOT_OBJECT_CACHE_TYPE_COMMIT:
405 6bef87be 2018-09-11 stsp print_cache_stats(cache, "commit");
407 2ee32b23 2019-05-15 stsp case GOT_OBJECT_CACHE_TYPE_TAG:
408 2ee32b23 2019-05-15 stsp print_cache_stats(cache, "tag");
410 d3c116bf 2021-10-15 stsp case GOT_OBJECT_CACHE_TYPE_RAW:
411 d3c116bf 2021-10-15 stsp print_cache_stats(cache, "raw");
415 a97a5e43 2022-08-31 op if (cache->idset)
416 a97a5e43 2022-08-31 op got_object_idset_for_each(cache->idset, check_refcount, cache);
419 f054b67a 2018-11-05 stsp if (cache->idset) {
420 54a0941e 2022-09-05 op got_object_idset_for_each(cache->idset, free_entry, cache);
421 f054b67a 2018-11-05 stsp got_object_idset_free(cache->idset);
422 f054b67a 2018-11-05 stsp cache->idset = NULL;
424 6bef87be 2018-09-11 stsp cache->size = 0;