1 6bef87be 2018-09-11 stsp /*
  2 6bef87be 2018-09-11 stsp  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
  3 6bef87be 2018-09-11 stsp  *
  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.
  7 6bef87be 2018-09-11 stsp  *
  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.
 15 6bef87be 2018-09-11 stsp  */
 16 6bef87be 2018-09-11 stsp 
 17 6bef87be 2018-09-11 stsp #include <sys/time.h>
 18 8ab9215c 2021-10-15 thomas #include <sys/resource.h>
 19 6bef87be 2018-09-11 stsp 
 20 6bef87be 2018-09-11 stsp #include <stdio.h>
 21 6bef87be 2018-09-11 stsp #include <stdlib.h>
 22 a60c9e77 2019-05-22 stsp #include <stdint.h>
 23 6bef87be 2018-09-11 stsp #include <string.h>
 24 56e0773d 2019-11-28 stsp #include <limits.h>
 25 6bef87be 2018-09-11 stsp #include <zlib.h>
 26 6bef87be 2018-09-11 stsp 
 27 6bef87be 2018-09-11 stsp #include "got_error.h"
 28 6bef87be 2018-09-11 stsp #include "got_object.h"
 29 6bef87be 2018-09-11 stsp 
 30 6bef87be 2018-09-11 stsp #include "got_lib_delta.h"
 31 6bef87be 2018-09-11 stsp #include "got_lib_inflate.h"
 32 6bef87be 2018-09-11 stsp #include "got_lib_object.h"
 33 f054b67a 2018-11-05 stsp #include "got_lib_object_idset.h"
 34 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
 35 6bef87be 2018-09-11 stsp 
 36 a60c9e77 2019-05-22 stsp /*
 37 a60c9e77 2019-05-22 stsp  * XXX This should be reworked to track cache size and usage in bytes,
 38 a60c9e77 2019-05-22 stsp  * rather than tracking N elements capped to a maximum element size.
 39 a60c9e77 2019-05-22 stsp  */
 40 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_OBJ	256
 41 9185b863 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_TREE	256
 42 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_COMMIT	64
 43 f73df793 2020-01-07 stsp #define GOT_OBJECT_CACHE_SIZE_TAG	2048
 44 8ab9215c 2021-10-15 thomas #define GOT_OBJECT_CACHE_SIZE_RAW	64
 45 a60c9e77 2019-05-22 stsp #define GOT_OBJECT_CACHE_MAX_ELEM_SIZE	1048576	/* 1 MB */
 46 6bef87be 2018-09-11 stsp 
 47 6bef87be 2018-09-11 stsp const struct got_error *
 48 6bef87be 2018-09-11 stsp got_object_cache_init(struct got_object_cache *cache,
 49 6bef87be 2018-09-11 stsp     enum got_object_cache_type type)
 50 6bef87be 2018-09-11 stsp {
 51 8ab9215c 2021-10-15 thomas 	struct rlimit rl;
 52 8ab9215c 2021-10-15 thomas 
 53 dab9d9b6 2018-11-05 stsp 	memset(cache, 0, sizeof(*cache));
 54 dab9d9b6 2018-11-05 stsp 
 55 f054b67a 2018-11-05 stsp 	cache->idset = got_object_idset_alloc();
 56 f054b67a 2018-11-05 stsp 	if (cache->idset == NULL)
 57 638f9024 2019-05-13 stsp 		return got_error_from_errno("got_object_idset_alloc");
 58 f054b67a 2018-11-05 stsp 
 59 f054b67a 2018-11-05 stsp 	cache->type = type;
 60 6bef87be 2018-09-11 stsp 	switch (type) {
 61 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
 62 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_OBJ;
 63 6bef87be 2018-09-11 stsp 		break;
 64 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
 65 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_TREE;
 66 6bef87be 2018-09-11 stsp 		break;
 67 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
 68 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_COMMIT;
 69 6bef87be 2018-09-11 stsp 		break;
 70 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
 71 f4a881ce 2018-11-17 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_TAG;
 72 f4a881ce 2018-11-17 stsp 		break;
 73 8ab9215c 2021-10-15 thomas 	case GOT_OBJECT_CACHE_TYPE_RAW:
 74 8ab9215c 2021-10-15 thomas 		if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
 75 8ab9215c 2021-10-15 thomas 			return got_error_from_errno("getrlimit");
 76 8ab9215c 2021-10-15 thomas 		cache->size = GOT_OBJECT_CACHE_SIZE_RAW;
 77 8ab9215c 2021-10-15 thomas 		if (cache->size > rl.rlim_cur / 16)
 78 8ab9215c 2021-10-15 thomas 			cache->size = rl.rlim_cur / 16;
 79 8ab9215c 2021-10-15 thomas 		break;
 80 6bef87be 2018-09-11 stsp 	}
 81 6bef87be 2018-09-11 stsp 	return NULL;
 82 a60c9e77 2019-05-22 stsp }
 83 a60c9e77 2019-05-22 stsp 
 84 a60c9e77 2019-05-22 stsp size_t
 85 a60c9e77 2019-05-22 stsp get_size_obj(struct got_object *obj)
 86 a60c9e77 2019-05-22 stsp {
 87 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*obj);
 88 a60c9e77 2019-05-22 stsp 	struct got_delta *delta;
 89 a60c9e77 2019-05-22 stsp 
 90 a60c9e77 2019-05-22 stsp 	if ((obj->flags & GOT_OBJ_FLAG_DELTIFIED) == 0)
 91 a60c9e77 2019-05-22 stsp 		return size;
 92 a60c9e77 2019-05-22 stsp 
 93 dbdddfee 2021-06-23 naddy 	STAILQ_FOREACH(delta, &obj->deltas.entries, entry) {
 94 42c69117 2019-11-10 stsp 		if (SIZE_MAX - sizeof(*delta) < size)
 95 a60c9e77 2019-05-22 stsp 			return SIZE_MAX;
 96 42c69117 2019-11-10 stsp 		size += sizeof(*delta);
 97 a60c9e77 2019-05-22 stsp 	}
 98 a60c9e77 2019-05-22 stsp 
 99 a60c9e77 2019-05-22 stsp 	return size;
100 a60c9e77 2019-05-22 stsp }
101 a60c9e77 2019-05-22 stsp 
102 a60c9e77 2019-05-22 stsp size_t
103 a60c9e77 2019-05-22 stsp get_size_tree(struct got_tree_object *tree)
104 a60c9e77 2019-05-22 stsp {
105 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tree);
106 a60c9e77 2019-05-22 stsp 
107 56e0773d 2019-11-28 stsp 	size += sizeof(struct got_tree_entry) * tree->nentries;
108 a60c9e77 2019-05-22 stsp 	return size;
109 a60c9e77 2019-05-22 stsp }
110 a60c9e77 2019-05-22 stsp 
111 a60c9e77 2019-05-22 stsp size_t
112 a60c9e77 2019-05-22 stsp get_size_commit(struct got_commit_object *commit)
113 a60c9e77 2019-05-22 stsp {
114 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*commit);
115 a60c9e77 2019-05-22 stsp 	struct got_object_qid *qid;
116 a60c9e77 2019-05-22 stsp 
117 a60c9e77 2019-05-22 stsp 	size += sizeof(*commit->tree_id);
118 a60c9e77 2019-05-22 stsp 	size += strlen(commit->author);
119 a60c9e77 2019-05-22 stsp 	size += strlen(commit->committer);
120 a60c9e77 2019-05-22 stsp 	size += strlen(commit->logmsg);
121 a60c9e77 2019-05-22 stsp 
122 dbdddfee 2021-06-23 naddy 	STAILQ_FOREACH(qid, &commit->parent_ids, entry)
123 a60c9e77 2019-05-22 stsp 		size += sizeof(*qid) + sizeof(*qid->id);
124 a60c9e77 2019-05-22 stsp 
125 a60c9e77 2019-05-22 stsp 	return size;
126 6bef87be 2018-09-11 stsp }
127 6bef87be 2018-09-11 stsp 
128 a60c9e77 2019-05-22 stsp size_t
129 a60c9e77 2019-05-22 stsp get_size_tag(struct got_tag_object *tag)
130 a60c9e77 2019-05-22 stsp {
131 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tag);
132 a60c9e77 2019-05-22 stsp 
133 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tag);
134 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tagger);
135 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tagmsg);
136 a60c9e77 2019-05-22 stsp 
137 a60c9e77 2019-05-22 stsp 	return size;
138 a60c9e77 2019-05-22 stsp }
139 a60c9e77 2019-05-22 stsp 
140 8ab9215c 2021-10-15 thomas size_t
141 8ab9215c 2021-10-15 thomas get_size_raw(struct got_raw_object *raw)
142 8ab9215c 2021-10-15 thomas {
143 8ab9215c 2021-10-15 thomas 	return sizeof(*raw);
144 8ab9215c 2021-10-15 thomas }
145 8ab9215c 2021-10-15 thomas 
146 6bef87be 2018-09-11 stsp const struct got_error *
147 6bef87be 2018-09-11 stsp got_object_cache_add(struct got_object_cache *cache, struct got_object_id *id, void *item)
148 6bef87be 2018-09-11 stsp {
149 6bef87be 2018-09-11 stsp 	const struct got_error *err = NULL;
150 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
151 6bef87be 2018-09-11 stsp 	int nelem;
152 a60c9e77 2019-05-22 stsp 	size_t size;
153 6bef87be 2018-09-11 stsp 
154 a60c9e77 2019-05-22 stsp 	switch (cache->type) {
155 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
156 a60c9e77 2019-05-22 stsp 		size = get_size_obj((struct got_object *)item);
157 a60c9e77 2019-05-22 stsp 		break;
158 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
159 a60c9e77 2019-05-22 stsp 		size = get_size_tree((struct got_tree_object *)item);
160 a60c9e77 2019-05-22 stsp 		break;
161 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
162 a60c9e77 2019-05-22 stsp 		size = get_size_commit((struct got_commit_object *)item);
163 a60c9e77 2019-05-22 stsp 		break;
164 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
165 a60c9e77 2019-05-22 stsp 		size = get_size_tag((struct got_tag_object *)item);
166 a60c9e77 2019-05-22 stsp 		break;
167 8ab9215c 2021-10-15 thomas 	case GOT_OBJECT_CACHE_TYPE_RAW:
168 8ab9215c 2021-10-15 thomas 		size = get_size_raw((struct got_raw_object *)item);
169 8ab9215c 2021-10-15 thomas 		break;
170 a0de39f3 2019-08-09 stsp 	default:
171 a0de39f3 2019-08-09 stsp 		return got_error(GOT_ERR_OBJ_TYPE);
172 a60c9e77 2019-05-22 stsp 	}
173 a60c9e77 2019-05-22 stsp 
174 01cd7614 2019-05-22 stsp 	if (size > GOT_OBJECT_CACHE_MAX_ELEM_SIZE) {
175 01cd7614 2019-05-22 stsp #ifdef GOT_OBJ_CACHE_DEBUG
176 01cd7614 2019-05-22 stsp 		char *id_str;
177 01cd7614 2019-05-22 stsp 		if (got_object_id_str(&id_str, id) != NULL)
178 01cd7614 2019-05-22 stsp 			return got_error_from_errno("got_object_id_str");
179 01cd7614 2019-05-22 stsp 		fprintf(stderr, "%s: not caching ", getprogname());
180 01cd7614 2019-05-22 stsp 		switch (cache->type) {
181 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
182 01cd7614 2019-05-22 stsp 			fprintf(stderr, "object");
183 01cd7614 2019-05-22 stsp 			break;
184 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
185 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tree");
186 01cd7614 2019-05-22 stsp 			break;
187 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
188 01cd7614 2019-05-22 stsp 			fprintf(stderr, "commit");
189 01cd7614 2019-05-22 stsp 			break;
190 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
191 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tag");
192 01cd7614 2019-05-22 stsp 			break;
193 8ab9215c 2021-10-15 thomas 		case GOT_OBJECT_CACHE_TYPE_RAW:
194 8ab9215c 2021-10-15 thomas 			fprintf(stderr, "raw");
195 8ab9215c 2021-10-15 thomas 			break;
196 01cd7614 2019-05-22 stsp 		}
197 01cd7614 2019-05-22 stsp 		fprintf(stderr, " %s (%zd bytes; %zd MB)\n", id_str, size,
198 01cd7614 2019-05-22 stsp 		    size/1024/1024);
199 01cd7614 2019-05-22 stsp 		free(id_str);
200 01cd7614 2019-05-22 stsp #endif
201 01cd7614 2019-05-22 stsp 		cache->cache_toolarge++;
202 79c99a64 2019-05-23 stsp 		return got_error(GOT_ERR_OBJ_TOO_LARGE);
203 01cd7614 2019-05-22 stsp 	}
204 a60c9e77 2019-05-22 stsp 
205 f054b67a 2018-11-05 stsp 	nelem = got_object_idset_num_elements(cache->idset);
206 6bef87be 2018-09-11 stsp 	if (nelem >= cache->size) {
207 f054b67a 2018-11-05 stsp 		err = got_object_idset_remove((void **)&ce,
208 f054b67a 2018-11-05 stsp 		    cache->idset, NULL);
209 6bef87be 2018-09-11 stsp 		if (err)
210 6bef87be 2018-09-11 stsp 			return err;
211 6bef87be 2018-09-11 stsp 		switch (cache->type) {
212 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
213 6bef87be 2018-09-11 stsp 			got_object_close(ce->data.obj);
214 6bef87be 2018-09-11 stsp 			break;
215 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
216 6bef87be 2018-09-11 stsp 			got_object_tree_close(ce->data.tree);
217 6bef87be 2018-09-11 stsp 			break;
218 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
219 6bef87be 2018-09-11 stsp 			got_object_commit_close(ce->data.commit);
220 6bef87be 2018-09-11 stsp 			break;
221 f4a881ce 2018-11-17 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
222 f4a881ce 2018-11-17 stsp 			got_object_tag_close(ce->data.tag);
223 f4a881ce 2018-11-17 stsp 			break;
224 8ab9215c 2021-10-15 thomas 		case GOT_OBJECT_CACHE_TYPE_RAW:
225 8ab9215c 2021-10-15 thomas 			got_object_raw_close(ce->data.raw);
226 8ab9215c 2021-10-15 thomas 			break;
227 6bef87be 2018-09-11 stsp 		}
228 6bef87be 2018-09-11 stsp 		free(ce);
229 315fa2b2 2018-09-15 stsp 		cache->cache_evict++;
230 6bef87be 2018-09-11 stsp 	}
231 6bef87be 2018-09-11 stsp 
232 507aef8f 2018-11-05 stsp 	ce = malloc(sizeof(*ce));
233 6bef87be 2018-09-11 stsp 	if (ce == NULL)
234 638f9024 2019-05-13 stsp 		return got_error_from_errno("malloc");
235 6bef87be 2018-09-11 stsp 	memcpy(&ce->id, id, sizeof(ce->id));
236 6bef87be 2018-09-11 stsp 	switch (cache->type) {
237 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
238 6bef87be 2018-09-11 stsp 		ce->data.obj = (struct got_object *)item;
239 6bef87be 2018-09-11 stsp 		break;
240 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
241 6bef87be 2018-09-11 stsp 		ce->data.tree = (struct got_tree_object *)item;
242 6bef87be 2018-09-11 stsp 		break;
243 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
244 6bef87be 2018-09-11 stsp 		ce->data.commit = (struct got_commit_object *)item;
245 6bef87be 2018-09-11 stsp 		break;
246 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
247 f4a881ce 2018-11-17 stsp 		ce->data.tag = (struct got_tag_object *)item;
248 f4a881ce 2018-11-17 stsp 		break;
249 8ab9215c 2021-10-15 thomas 	case GOT_OBJECT_CACHE_TYPE_RAW:
250 8ab9215c 2021-10-15 thomas 		ce->data.raw = (struct got_raw_object *)item;
251 8ab9215c 2021-10-15 thomas 		break;
252 6bef87be 2018-09-11 stsp 	}
253 6bef87be 2018-09-11 stsp 
254 f054b67a 2018-11-05 stsp 	err = got_object_idset_add(cache->idset, id, ce);
255 79c99a64 2019-05-23 stsp 	if (err)
256 79c99a64 2019-05-23 stsp 		free(ce);
257 6bef87be 2018-09-11 stsp 	return err;
258 6bef87be 2018-09-11 stsp }
259 6bef87be 2018-09-11 stsp 
260 6bef87be 2018-09-11 stsp void *
261 6bef87be 2018-09-11 stsp got_object_cache_get(struct got_object_cache *cache, struct got_object_id *id)
262 6bef87be 2018-09-11 stsp {
263 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
264 6bef87be 2018-09-11 stsp 
265 221e79cd 2018-09-16 stsp 	cache->cache_searches++;
266 f054b67a 2018-11-05 stsp 	ce = got_object_idset_get(cache->idset, id);
267 6bef87be 2018-09-11 stsp 	if (ce) {
268 6bef87be 2018-09-11 stsp 		cache->cache_hit++;
269 6bef87be 2018-09-11 stsp 		switch (cache->type) {
270 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
271 6bef87be 2018-09-11 stsp 			return ce->data.obj;
272 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
273 6bef87be 2018-09-11 stsp 			return ce->data.tree;
274 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
275 6bef87be 2018-09-11 stsp 			return ce->data.commit;
276 f4a881ce 2018-11-17 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
277 f4a881ce 2018-11-17 stsp 			return ce->data.tag;
278 8ab9215c 2021-10-15 thomas 		case GOT_OBJECT_CACHE_TYPE_RAW:
279 8ab9215c 2021-10-15 thomas 			return ce->data.raw;
280 6bef87be 2018-09-11 stsp 		}
281 6bef87be 2018-09-11 stsp 	}
282 6bef87be 2018-09-11 stsp 
283 6bef87be 2018-09-11 stsp 	cache->cache_miss++;
284 6bef87be 2018-09-11 stsp 	return NULL;
285 6bef87be 2018-09-11 stsp }
286 6bef87be 2018-09-11 stsp 
287 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
288 6bef87be 2018-09-11 stsp static void
289 6bef87be 2018-09-11 stsp print_cache_stats(struct got_object_cache *cache, const char *name)
290 6bef87be 2018-09-11 stsp {
291 221e79cd 2018-09-16 stsp 	fprintf(stderr, "%s: %s cache: %d elements, %d searches, %d hits, "
292 01cd7614 2019-05-22 stsp 	    "%d missed, %d evicted, %d too large\n", getprogname(), name,
293 f054b67a 2018-11-05 stsp 	    got_object_idset_num_elements(cache->idset),
294 221e79cd 2018-09-16 stsp 	    cache->cache_searches, cache->cache_hit,
295 01cd7614 2019-05-22 stsp 	    cache->cache_miss, cache->cache_evict, cache->cache_toolarge);
296 6bef87be 2018-09-11 stsp }
297 6bef87be 2018-09-11 stsp 
298 cb103d04 2018-11-07 stsp const struct got_error *
299 cb103d04 2018-11-07 stsp check_refcount(struct got_object_id *id, void *data, void *arg)
300 6bef87be 2018-09-11 stsp {
301 6bef87be 2018-09-11 stsp 	struct got_object_cache *cache = arg;
302 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce = data;
303 6bef87be 2018-09-11 stsp 	struct got_object *obj;
304 6bef87be 2018-09-11 stsp 	struct got_tree_object *tree;
305 6bef87be 2018-09-11 stsp 	struct got_commit_object *commit;
306 f4a881ce 2018-11-17 stsp 	struct got_tag_object *tag;
307 8ab9215c 2021-10-15 thomas 	struct got_raw_object *raw;
308 6bef87be 2018-09-11 stsp 	char *id_str;
309 6bef87be 2018-09-11 stsp 
310 6bef87be 2018-09-11 stsp 	if (got_object_id_str(&id_str, id) != NULL)
311 cb103d04 2018-11-07 stsp 		return NULL;
312 6bef87be 2018-09-11 stsp 
313 6bef87be 2018-09-11 stsp 	switch (cache->type) {
314 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
315 6bef87be 2018-09-11 stsp 		obj = ce->data.obj;
316 6bef87be 2018-09-11 stsp 		if (obj->refcnt == 1)
317 6bef87be 2018-09-11 stsp 			break;
318 6bef87be 2018-09-11 stsp 		fprintf(stderr, "object %s has %d unclaimed references\n",
319 6bef87be 2018-09-11 stsp 		    id_str, obj->refcnt - 1);
320 6bef87be 2018-09-11 stsp 		break;
321 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
322 6bef87be 2018-09-11 stsp 		tree = ce->data.tree;
323 6bef87be 2018-09-11 stsp 		if (tree->refcnt == 1)
324 6bef87be 2018-09-11 stsp 			break;
325 6bef87be 2018-09-11 stsp 		fprintf(stderr, "tree %s has %d unclaimed references\n",
326 6bef87be 2018-09-11 stsp 		    id_str, tree->refcnt - 1);
327 6bef87be 2018-09-11 stsp 		break;
328 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
329 6bef87be 2018-09-11 stsp 		commit = ce->data.commit;
330 6bef87be 2018-09-11 stsp 		if (commit->refcnt == 1)
331 6bef87be 2018-09-11 stsp 			break;
332 6bef87be 2018-09-11 stsp 		fprintf(stderr, "commit %s has %d unclaimed references\n",
333 414611d9 2018-09-19 stsp 		    id_str, commit->refcnt - 1);
334 6bef87be 2018-09-11 stsp 		break;
335 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
336 f4a881ce 2018-11-17 stsp 		tag = ce->data.tag;
337 f4a881ce 2018-11-17 stsp 		if (tag->refcnt == 1)
338 f4a881ce 2018-11-17 stsp 			break;
339 f4a881ce 2018-11-17 stsp 		fprintf(stderr, "tag %s has %d unclaimed references\n",
340 f4a881ce 2018-11-17 stsp 		    id_str, tag->refcnt - 1);
341 f4a881ce 2018-11-17 stsp 		break;
342 8ab9215c 2021-10-15 thomas 	case GOT_OBJECT_CACHE_TYPE_RAW:
343 8ab9215c 2021-10-15 thomas 		raw = ce->data.raw;
344 8ab9215c 2021-10-15 thomas 		if (raw->refcnt == 1)
345 8ab9215c 2021-10-15 thomas 			break;
346 8ab9215c 2021-10-15 thomas 		fprintf(stderr, "raw %s has %d unclaimed references\n",
347 8ab9215c 2021-10-15 thomas 		    id_str, raw->refcnt - 1);
348 8ab9215c 2021-10-15 thomas 		break;
349 6bef87be 2018-09-11 stsp 	}
350 6bef87be 2018-09-11 stsp 	free(id_str);
351 cb103d04 2018-11-07 stsp 	return NULL;
352 6bef87be 2018-09-11 stsp }
353 6bef87be 2018-09-11 stsp #endif
354 6bef87be 2018-09-11 stsp 
355 6bef87be 2018-09-11 stsp void
356 6bef87be 2018-09-11 stsp got_object_cache_close(struct got_object_cache *cache)
357 6bef87be 2018-09-11 stsp {
358 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
359 6bef87be 2018-09-11 stsp 	switch (cache->type) {
360 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
361 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "object");
362 6bef87be 2018-09-11 stsp 		break;
363 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
364 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "tree");
365 6bef87be 2018-09-11 stsp 		break;
366 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
367 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "commit");
368 6bef87be 2018-09-11 stsp 		break;
369 2ee32b23 2019-05-15 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
370 2ee32b23 2019-05-15 stsp 		print_cache_stats(cache, "tag");
371 2ee32b23 2019-05-15 stsp 		break;
372 8ab9215c 2021-10-15 thomas 	case GOT_OBJECT_CACHE_TYPE_RAW:
373 8ab9215c 2021-10-15 thomas 		print_cache_stats(cache, "raw");
374 8ab9215c 2021-10-15 thomas 		break;
375 6bef87be 2018-09-11 stsp 	}
376 6bef87be 2018-09-11 stsp 
377 f054b67a 2018-11-05 stsp 	got_object_idset_for_each(cache->idset, check_refcount, cache);
378 6bef87be 2018-09-11 stsp #endif
379 6bef87be 2018-09-11 stsp 
380 f054b67a 2018-11-05 stsp 	if (cache->idset) {
381 f054b67a 2018-11-05 stsp 		got_object_idset_free(cache->idset);
382 f054b67a 2018-11-05 stsp 		cache->idset = NULL;
383 6bef87be 2018-09-11 stsp 	}
384 6bef87be 2018-09-11 stsp 	cache->size = 0;
385 6bef87be 2018-09-11 stsp }