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 6bef87be 2018-09-11 stsp #include <sys/queue.h>
 19 d3c116bf 2021-10-15 stsp #include <sys/resource.h>
 20 6bef87be 2018-09-11 stsp 
 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>
 29 6bef87be 2018-09-11 stsp 
 30 6bef87be 2018-09-11 stsp #include "got_error.h"
 31 6bef87be 2018-09-11 stsp #include "got_object.h"
 32 6bef87be 2018-09-11 stsp 
 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"
 38 6bef87be 2018-09-11 stsp 
 39 a60c9e77 2019-05-22 stsp /*
 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.
 42 a60c9e77 2019-05-22 stsp  */
 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 */
 49 6bef87be 2018-09-11 stsp 
 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)
 53 6bef87be 2018-09-11 stsp {
 54 d3c116bf 2021-10-15 stsp 	struct rlimit rl;
 55 d3c116bf 2021-10-15 stsp 
 56 dab9d9b6 2018-11-05 stsp 	memset(cache, 0, sizeof(*cache));
 57 dab9d9b6 2018-11-05 stsp 
 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");
 61 f054b67a 2018-11-05 stsp 
 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;
 66 6bef87be 2018-09-11 stsp 		break;
 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;
 69 6bef87be 2018-09-11 stsp 		break;
 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;
 72 6bef87be 2018-09-11 stsp 		break;
 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;
 75 f4a881ce 2018-11-17 stsp 		break;
 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;
 82 d3c116bf 2021-10-15 stsp 		break;
 83 6bef87be 2018-09-11 stsp 	}
 84 6bef87be 2018-09-11 stsp 	return NULL;
 85 a60c9e77 2019-05-22 stsp }
 86 a60c9e77 2019-05-22 stsp 
 87 336075a4 2022-06-25 op static size_t
 88 a60c9e77 2019-05-22 stsp get_size_obj(struct got_object *obj)
 89 a60c9e77 2019-05-22 stsp {
 90 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*obj);
 91 a60c9e77 2019-05-22 stsp 	struct got_delta *delta;
 92 a60c9e77 2019-05-22 stsp 
 93 a60c9e77 2019-05-22 stsp 	if ((obj->flags & GOT_OBJ_FLAG_DELTIFIED) == 0)
 94 a60c9e77 2019-05-22 stsp 		return size;
 95 a60c9e77 2019-05-22 stsp 
 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);
100 a60c9e77 2019-05-22 stsp 	}
101 a60c9e77 2019-05-22 stsp 
102 a60c9e77 2019-05-22 stsp 	return size;
103 a60c9e77 2019-05-22 stsp }
104 a60c9e77 2019-05-22 stsp 
105 336075a4 2022-06-25 op static size_t
106 a60c9e77 2019-05-22 stsp get_size_tree(struct got_tree_object *tree)
107 a60c9e77 2019-05-22 stsp {
108 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tree);
109 a60c9e77 2019-05-22 stsp 
110 56e0773d 2019-11-28 stsp 	size += sizeof(struct got_tree_entry) * tree->nentries;
111 a60c9e77 2019-05-22 stsp 	return size;
112 a60c9e77 2019-05-22 stsp }
113 a60c9e77 2019-05-22 stsp 
114 336075a4 2022-06-25 op static size_t
115 a60c9e77 2019-05-22 stsp get_size_commit(struct got_commit_object *commit)
116 a60c9e77 2019-05-22 stsp {
117 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*commit);
118 a60c9e77 2019-05-22 stsp 	struct got_object_qid *qid;
119 a60c9e77 2019-05-22 stsp 
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);
124 a60c9e77 2019-05-22 stsp 
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);
127 a60c9e77 2019-05-22 stsp 
128 a60c9e77 2019-05-22 stsp 	return size;
129 6bef87be 2018-09-11 stsp }
130 6bef87be 2018-09-11 stsp 
131 336075a4 2022-06-25 op static size_t
132 a60c9e77 2019-05-22 stsp get_size_tag(struct got_tag_object *tag)
133 a60c9e77 2019-05-22 stsp {
134 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tag);
135 a60c9e77 2019-05-22 stsp 
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);
139 a60c9e77 2019-05-22 stsp 
140 a60c9e77 2019-05-22 stsp 	return size;
141 a60c9e77 2019-05-22 stsp }
142 a60c9e77 2019-05-22 stsp 
143 336075a4 2022-06-25 op static size_t
144 d3c116bf 2021-10-15 stsp get_size_raw(struct got_raw_object *raw)
145 d3c116bf 2021-10-15 stsp {
146 d3c116bf 2021-10-15 stsp 	return sizeof(*raw);
147 d3c116bf 2021-10-15 stsp }
148 d3c116bf 2021-10-15 stsp 
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)
152 6bef87be 2018-09-11 stsp {
153 6bef87be 2018-09-11 stsp 	const struct got_error *err = NULL;
154 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
155 6bef87be 2018-09-11 stsp 	int nelem;
156 a60c9e77 2019-05-22 stsp 	size_t size;
157 6bef87be 2018-09-11 stsp 
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);
161 a60c9e77 2019-05-22 stsp 		break;
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);
164 a60c9e77 2019-05-22 stsp 		break;
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);
167 a60c9e77 2019-05-22 stsp 		break;
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);
170 a60c9e77 2019-05-22 stsp 		break;
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);
173 d3c116bf 2021-10-15 stsp 		break;
174 a0de39f3 2019-08-09 stsp 	default:
175 a0de39f3 2019-08-09 stsp 		return got_error(GOT_ERR_OBJ_TYPE);
176 a60c9e77 2019-05-22 stsp 	}
177 a60c9e77 2019-05-22 stsp 
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");
187 01cd7614 2019-05-22 stsp 			break;
188 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
189 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tree");
190 01cd7614 2019-05-22 stsp 			break;
191 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
192 01cd7614 2019-05-22 stsp 			fprintf(stderr, "commit");
193 01cd7614 2019-05-22 stsp 			break;
194 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
195 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tag");
196 d3c116bf 2021-10-15 stsp 			break;
197 d3c116bf 2021-10-15 stsp 		case GOT_OBJECT_CACHE_TYPE_RAW:
198 d3c116bf 2021-10-15 stsp 			fprintf(stderr, "raw");
199 01cd7614 2019-05-22 stsp 			break;
200 01cd7614 2019-05-22 stsp 		}
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);
204 01cd7614 2019-05-22 stsp #endif
205 01cd7614 2019-05-22 stsp 		cache->cache_toolarge++;
206 79c99a64 2019-05-23 stsp 		return got_error(GOT_ERR_OBJ_TOO_LARGE);
207 01cd7614 2019-05-22 stsp 	}
208 a60c9e77 2019-05-22 stsp 
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);
213 6bef87be 2018-09-11 stsp 		if (err)
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);
218 6bef87be 2018-09-11 stsp 			break;
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);
221 6bef87be 2018-09-11 stsp 			break;
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);
224 6bef87be 2018-09-11 stsp 			break;
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);
227 f4a881ce 2018-11-17 stsp 			break;
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);
230 d3c116bf 2021-10-15 stsp 			break;
231 6bef87be 2018-09-11 stsp 		}
232 97714397 2022-08-30 stsp 		memset(ce, 0, sizeof(*ce));
233 315fa2b2 2018-09-15 stsp 		cache->cache_evict++;
234 97714397 2022-08-30 stsp 	} else {
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");
238 6bef87be 2018-09-11 stsp 	}
239 6bef87be 2018-09-11 stsp 
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;
244 6bef87be 2018-09-11 stsp 		break;
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;
247 6bef87be 2018-09-11 stsp 		break;
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;
250 6bef87be 2018-09-11 stsp 		break;
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;
253 f4a881ce 2018-11-17 stsp 		break;
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;
256 d3c116bf 2021-10-15 stsp 		break;
257 6bef87be 2018-09-11 stsp 	}
258 6bef87be 2018-09-11 stsp 
259 f054b67a 2018-11-05 stsp 	err = got_object_idset_add(cache->idset, id, ce);
260 79c99a64 2019-05-23 stsp 	if (err)
261 79c99a64 2019-05-23 stsp 		free(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;
265 6bef87be 2018-09-11 stsp }
266 6bef87be 2018-09-11 stsp 
267 6bef87be 2018-09-11 stsp void *
268 6bef87be 2018-09-11 stsp got_object_cache_get(struct got_object_cache *cache, struct got_object_id *id)
269 6bef87be 2018-09-11 stsp {
270 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
271 6bef87be 2018-09-11 stsp 
272 221e79cd 2018-09-16 stsp 	cache->cache_searches++;
273 f054b67a 2018-11-05 stsp 	ce = got_object_idset_get(cache->idset, id);
274 6bef87be 2018-09-11 stsp 	if (ce) {
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;
287 6bef87be 2018-09-11 stsp 		}
288 6bef87be 2018-09-11 stsp 	}
289 6bef87be 2018-09-11 stsp 
290 6bef87be 2018-09-11 stsp 	cache->cache_miss++;
291 6bef87be 2018-09-11 stsp 	return NULL;
292 6bef87be 2018-09-11 stsp }
293 6bef87be 2018-09-11 stsp 
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)
297 6bef87be 2018-09-11 stsp {
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);
305 6bef87be 2018-09-11 stsp }
306 6bef87be 2018-09-11 stsp 
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)
309 6bef87be 2018-09-11 stsp {
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;
318 6bef87be 2018-09-11 stsp 
319 6bef87be 2018-09-11 stsp 	if (got_object_id_str(&id_str, id) != NULL)
320 cb103d04 2018-11-07 stsp 		return NULL;
321 6bef87be 2018-09-11 stsp 
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)
326 6bef87be 2018-09-11 stsp 			break;
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);
329 6bef87be 2018-09-11 stsp 		break;
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)
333 6bef87be 2018-09-11 stsp 			break;
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);
336 6bef87be 2018-09-11 stsp 		break;
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)
340 6bef87be 2018-09-11 stsp 			break;
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);
343 6bef87be 2018-09-11 stsp 		break;
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)
347 f4a881ce 2018-11-17 stsp 			break;
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);
350 f4a881ce 2018-11-17 stsp 		break;
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)
354 d3c116bf 2021-10-15 stsp 			break;
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);
357 d3c116bf 2021-10-15 stsp 		break;
358 6bef87be 2018-09-11 stsp 	}
359 6bef87be 2018-09-11 stsp 	free(id_str);
360 cb103d04 2018-11-07 stsp 	return NULL;
361 6bef87be 2018-09-11 stsp }
362 6bef87be 2018-09-11 stsp #endif
363 54a0941e 2022-09-05 op 
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)
366 54a0941e 2022-09-05 op {
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;
369 54a0941e 2022-09-05 op 
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);
373 54a0941e 2022-09-05 op 		break;
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);
376 54a0941e 2022-09-05 op 		break;
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);
379 54a0941e 2022-09-05 op 		break;
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);
382 54a0941e 2022-09-05 op 		break;
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);
385 54a0941e 2022-09-05 op 		break;
386 54a0941e 2022-09-05 op 	}
387 6bef87be 2018-09-11 stsp 
388 54a0941e 2022-09-05 op 	free(ce);
389 54a0941e 2022-09-05 op 
390 54a0941e 2022-09-05 op 	return NULL;
391 54a0941e 2022-09-05 op }
392 54a0941e 2022-09-05 op 
393 6bef87be 2018-09-11 stsp void
394 6bef87be 2018-09-11 stsp got_object_cache_close(struct got_object_cache *cache)
395 6bef87be 2018-09-11 stsp {
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");
400 6bef87be 2018-09-11 stsp 		break;
401 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
402 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "tree");
403 6bef87be 2018-09-11 stsp 		break;
404 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
405 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "commit");
406 6bef87be 2018-09-11 stsp 		break;
407 2ee32b23 2019-05-15 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
408 2ee32b23 2019-05-15 stsp 		print_cache_stats(cache, "tag");
409 2ee32b23 2019-05-15 stsp 		break;
410 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
411 d3c116bf 2021-10-15 stsp 		print_cache_stats(cache, "raw");
412 d3c116bf 2021-10-15 stsp 		break;
413 6bef87be 2018-09-11 stsp 	}
414 6bef87be 2018-09-11 stsp 
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);
417 6bef87be 2018-09-11 stsp #endif
418 6bef87be 2018-09-11 stsp 
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;
423 6bef87be 2018-09-11 stsp 	}
424 6bef87be 2018-09-11 stsp 	cache->size = 0;
425 6bef87be 2018-09-11 stsp }