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 6bef87be 2018-09-11 stsp #include <zlib.h>
 28 6bef87be 2018-09-11 stsp 
 29 6bef87be 2018-09-11 stsp #include "got_error.h"
 30 6bef87be 2018-09-11 stsp #include "got_object.h"
 31 6bef87be 2018-09-11 stsp 
 32 6bef87be 2018-09-11 stsp #include "got_lib_delta.h"
 33 6bef87be 2018-09-11 stsp #include "got_lib_inflate.h"
 34 6bef87be 2018-09-11 stsp #include "got_lib_object.h"
 35 f054b67a 2018-11-05 stsp #include "got_lib_object_idset.h"
 36 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
 37 6bef87be 2018-09-11 stsp 
 38 a60c9e77 2019-05-22 stsp /*
 39 a60c9e77 2019-05-22 stsp  * XXX This should be reworked to track cache size and usage in bytes,
 40 a60c9e77 2019-05-22 stsp  * rather than tracking N elements capped to a maximum element size.
 41 a60c9e77 2019-05-22 stsp  */
 42 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_OBJ	256
 43 9185b863 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_TREE	256
 44 9bccfa63 2018-11-05 stsp #define GOT_OBJECT_CACHE_SIZE_COMMIT	64
 45 f73df793 2020-01-07 stsp #define GOT_OBJECT_CACHE_SIZE_TAG	2048
 46 d3c116bf 2021-10-15 stsp #define GOT_OBJECT_CACHE_SIZE_RAW	64
 47 a60c9e77 2019-05-22 stsp #define GOT_OBJECT_CACHE_MAX_ELEM_SIZE	1048576	/* 1 MB */
 48 6bef87be 2018-09-11 stsp 
 49 6bef87be 2018-09-11 stsp const struct got_error *
 50 6bef87be 2018-09-11 stsp got_object_cache_init(struct got_object_cache *cache,
 51 6bef87be 2018-09-11 stsp     enum got_object_cache_type type)
 52 6bef87be 2018-09-11 stsp {
 53 d3c116bf 2021-10-15 stsp 	struct rlimit rl;
 54 d3c116bf 2021-10-15 stsp 
 55 dab9d9b6 2018-11-05 stsp 	memset(cache, 0, sizeof(*cache));
 56 dab9d9b6 2018-11-05 stsp 
 57 f054b67a 2018-11-05 stsp 	cache->idset = got_object_idset_alloc();
 58 f054b67a 2018-11-05 stsp 	if (cache->idset == NULL)
 59 638f9024 2019-05-13 stsp 		return got_error_from_errno("got_object_idset_alloc");
 60 f054b67a 2018-11-05 stsp 
 61 f054b67a 2018-11-05 stsp 	cache->type = type;
 62 6bef87be 2018-09-11 stsp 	switch (type) {
 63 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
 64 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_OBJ;
 65 6bef87be 2018-09-11 stsp 		break;
 66 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
 67 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_TREE;
 68 6bef87be 2018-09-11 stsp 		break;
 69 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
 70 f054b67a 2018-11-05 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_COMMIT;
 71 6bef87be 2018-09-11 stsp 		break;
 72 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
 73 f4a881ce 2018-11-17 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_TAG;
 74 f4a881ce 2018-11-17 stsp 		break;
 75 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
 76 d3c116bf 2021-10-15 stsp 		if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
 77 d3c116bf 2021-10-15 stsp 			return got_error_from_errno("getrlimit");
 78 d3c116bf 2021-10-15 stsp 		cache->size = GOT_OBJECT_CACHE_SIZE_RAW;
 79 d3c116bf 2021-10-15 stsp 		if (cache->size > rl.rlim_cur / 16)
 80 d3c116bf 2021-10-15 stsp 			cache->size = rl.rlim_cur / 16;
 81 d3c116bf 2021-10-15 stsp 		break;
 82 6bef87be 2018-09-11 stsp 	}
 83 6bef87be 2018-09-11 stsp 	return NULL;
 84 a60c9e77 2019-05-22 stsp }
 85 a60c9e77 2019-05-22 stsp 
 86 a60c9e77 2019-05-22 stsp size_t
 87 a60c9e77 2019-05-22 stsp get_size_obj(struct got_object *obj)
 88 a60c9e77 2019-05-22 stsp {
 89 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*obj);
 90 a60c9e77 2019-05-22 stsp 	struct got_delta *delta;
 91 a60c9e77 2019-05-22 stsp 
 92 a60c9e77 2019-05-22 stsp 	if ((obj->flags & GOT_OBJ_FLAG_DELTIFIED) == 0)
 93 a60c9e77 2019-05-22 stsp 		return size;
 94 a60c9e77 2019-05-22 stsp 
 95 dbdddfee 2021-06-23 naddy 	STAILQ_FOREACH(delta, &obj->deltas.entries, entry) {
 96 42c69117 2019-11-10 stsp 		if (SIZE_MAX - sizeof(*delta) < size)
 97 a60c9e77 2019-05-22 stsp 			return SIZE_MAX;
 98 42c69117 2019-11-10 stsp 		size += sizeof(*delta);
 99 a60c9e77 2019-05-22 stsp 	}
100 a60c9e77 2019-05-22 stsp 
101 a60c9e77 2019-05-22 stsp 	return size;
102 a60c9e77 2019-05-22 stsp }
103 a60c9e77 2019-05-22 stsp 
104 a60c9e77 2019-05-22 stsp size_t
105 a60c9e77 2019-05-22 stsp get_size_tree(struct got_tree_object *tree)
106 a60c9e77 2019-05-22 stsp {
107 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tree);
108 a60c9e77 2019-05-22 stsp 
109 56e0773d 2019-11-28 stsp 	size += sizeof(struct got_tree_entry) * tree->nentries;
110 a60c9e77 2019-05-22 stsp 	return size;
111 a60c9e77 2019-05-22 stsp }
112 a60c9e77 2019-05-22 stsp 
113 a60c9e77 2019-05-22 stsp size_t
114 a60c9e77 2019-05-22 stsp get_size_commit(struct got_commit_object *commit)
115 a60c9e77 2019-05-22 stsp {
116 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*commit);
117 a60c9e77 2019-05-22 stsp 	struct got_object_qid *qid;
118 a60c9e77 2019-05-22 stsp 
119 a60c9e77 2019-05-22 stsp 	size += sizeof(*commit->tree_id);
120 a60c9e77 2019-05-22 stsp 	size += strlen(commit->author);
121 a60c9e77 2019-05-22 stsp 	size += strlen(commit->committer);
122 a60c9e77 2019-05-22 stsp 	size += strlen(commit->logmsg);
123 a60c9e77 2019-05-22 stsp 
124 dbdddfee 2021-06-23 naddy 	STAILQ_FOREACH(qid, &commit->parent_ids, entry)
125 d7b5a0e8 2022-04-20 stsp 		size += sizeof(*qid) + sizeof(qid->id);
126 a60c9e77 2019-05-22 stsp 
127 a60c9e77 2019-05-22 stsp 	return size;
128 6bef87be 2018-09-11 stsp }
129 6bef87be 2018-09-11 stsp 
130 a60c9e77 2019-05-22 stsp size_t
131 a60c9e77 2019-05-22 stsp get_size_tag(struct got_tag_object *tag)
132 a60c9e77 2019-05-22 stsp {
133 a60c9e77 2019-05-22 stsp 	size_t size = sizeof(*tag);
134 a60c9e77 2019-05-22 stsp 
135 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tag);
136 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tagger);
137 a60c9e77 2019-05-22 stsp 	size += strlen(tag->tagmsg);
138 a60c9e77 2019-05-22 stsp 
139 a60c9e77 2019-05-22 stsp 	return size;
140 a60c9e77 2019-05-22 stsp }
141 a60c9e77 2019-05-22 stsp 
142 d3c116bf 2021-10-15 stsp size_t
143 d3c116bf 2021-10-15 stsp get_size_raw(struct got_raw_object *raw)
144 d3c116bf 2021-10-15 stsp {
145 d3c116bf 2021-10-15 stsp 	return sizeof(*raw);
146 d3c116bf 2021-10-15 stsp }
147 d3c116bf 2021-10-15 stsp 
148 6bef87be 2018-09-11 stsp const struct got_error *
149 c0df5966 2021-12-31 stsp got_object_cache_add(struct got_object_cache *cache, struct got_object_id *id,
150 c0df5966 2021-12-31 stsp     void *item)
151 6bef87be 2018-09-11 stsp {
152 6bef87be 2018-09-11 stsp 	const struct got_error *err = NULL;
153 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
154 6bef87be 2018-09-11 stsp 	int nelem;
155 a60c9e77 2019-05-22 stsp 	size_t size;
156 6bef87be 2018-09-11 stsp 
157 a60c9e77 2019-05-22 stsp 	switch (cache->type) {
158 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
159 a60c9e77 2019-05-22 stsp 		size = get_size_obj((struct got_object *)item);
160 a60c9e77 2019-05-22 stsp 		break;
161 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
162 a60c9e77 2019-05-22 stsp 		size = get_size_tree((struct got_tree_object *)item);
163 a60c9e77 2019-05-22 stsp 		break;
164 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
165 a60c9e77 2019-05-22 stsp 		size = get_size_commit((struct got_commit_object *)item);
166 a60c9e77 2019-05-22 stsp 		break;
167 a60c9e77 2019-05-22 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
168 a60c9e77 2019-05-22 stsp 		size = get_size_tag((struct got_tag_object *)item);
169 a60c9e77 2019-05-22 stsp 		break;
170 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
171 d3c116bf 2021-10-15 stsp 		size = get_size_raw((struct got_raw_object *)item);
172 d3c116bf 2021-10-15 stsp 		break;
173 a0de39f3 2019-08-09 stsp 	default:
174 a0de39f3 2019-08-09 stsp 		return got_error(GOT_ERR_OBJ_TYPE);
175 a60c9e77 2019-05-22 stsp 	}
176 a60c9e77 2019-05-22 stsp 
177 01cd7614 2019-05-22 stsp 	if (size > GOT_OBJECT_CACHE_MAX_ELEM_SIZE) {
178 01cd7614 2019-05-22 stsp #ifdef GOT_OBJ_CACHE_DEBUG
179 01cd7614 2019-05-22 stsp 		char *id_str;
180 01cd7614 2019-05-22 stsp 		if (got_object_id_str(&id_str, id) != NULL)
181 01cd7614 2019-05-22 stsp 			return got_error_from_errno("got_object_id_str");
182 01cd7614 2019-05-22 stsp 		fprintf(stderr, "%s: not caching ", getprogname());
183 01cd7614 2019-05-22 stsp 		switch (cache->type) {
184 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
185 01cd7614 2019-05-22 stsp 			fprintf(stderr, "object");
186 01cd7614 2019-05-22 stsp 			break;
187 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
188 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tree");
189 01cd7614 2019-05-22 stsp 			break;
190 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
191 01cd7614 2019-05-22 stsp 			fprintf(stderr, "commit");
192 01cd7614 2019-05-22 stsp 			break;
193 01cd7614 2019-05-22 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
194 01cd7614 2019-05-22 stsp 			fprintf(stderr, "tag");
195 d3c116bf 2021-10-15 stsp 			break;
196 d3c116bf 2021-10-15 stsp 		case GOT_OBJECT_CACHE_TYPE_RAW:
197 d3c116bf 2021-10-15 stsp 			fprintf(stderr, "raw");
198 01cd7614 2019-05-22 stsp 			break;
199 01cd7614 2019-05-22 stsp 		}
200 01cd7614 2019-05-22 stsp 		fprintf(stderr, " %s (%zd bytes; %zd MB)\n", id_str, size,
201 01cd7614 2019-05-22 stsp 		    size/1024/1024);
202 01cd7614 2019-05-22 stsp 		free(id_str);
203 01cd7614 2019-05-22 stsp #endif
204 01cd7614 2019-05-22 stsp 		cache->cache_toolarge++;
205 79c99a64 2019-05-23 stsp 		return got_error(GOT_ERR_OBJ_TOO_LARGE);
206 01cd7614 2019-05-22 stsp 	}
207 a60c9e77 2019-05-22 stsp 
208 f054b67a 2018-11-05 stsp 	nelem = got_object_idset_num_elements(cache->idset);
209 6bef87be 2018-09-11 stsp 	if (nelem >= cache->size) {
210 f054b67a 2018-11-05 stsp 		err = got_object_idset_remove((void **)&ce,
211 f054b67a 2018-11-05 stsp 		    cache->idset, NULL);
212 6bef87be 2018-09-11 stsp 		if (err)
213 6bef87be 2018-09-11 stsp 			return err;
214 6bef87be 2018-09-11 stsp 		switch (cache->type) {
215 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
216 6bef87be 2018-09-11 stsp 			got_object_close(ce->data.obj);
217 6bef87be 2018-09-11 stsp 			break;
218 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
219 6bef87be 2018-09-11 stsp 			got_object_tree_close(ce->data.tree);
220 6bef87be 2018-09-11 stsp 			break;
221 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
222 6bef87be 2018-09-11 stsp 			got_object_commit_close(ce->data.commit);
223 6bef87be 2018-09-11 stsp 			break;
224 f4a881ce 2018-11-17 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
225 f4a881ce 2018-11-17 stsp 			got_object_tag_close(ce->data.tag);
226 f4a881ce 2018-11-17 stsp 			break;
227 d3c116bf 2021-10-15 stsp 		case GOT_OBJECT_CACHE_TYPE_RAW:
228 d3c116bf 2021-10-15 stsp 			got_object_raw_close(ce->data.raw);
229 d3c116bf 2021-10-15 stsp 			break;
230 6bef87be 2018-09-11 stsp 		}
231 6bef87be 2018-09-11 stsp 		free(ce);
232 315fa2b2 2018-09-15 stsp 		cache->cache_evict++;
233 6bef87be 2018-09-11 stsp 	}
234 6bef87be 2018-09-11 stsp 
235 507aef8f 2018-11-05 stsp 	ce = malloc(sizeof(*ce));
236 6bef87be 2018-09-11 stsp 	if (ce == NULL)
237 638f9024 2019-05-13 stsp 		return got_error_from_errno("malloc");
238 6bef87be 2018-09-11 stsp 	memcpy(&ce->id, id, sizeof(ce->id));
239 6bef87be 2018-09-11 stsp 	switch (cache->type) {
240 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
241 6bef87be 2018-09-11 stsp 		ce->data.obj = (struct got_object *)item;
242 6bef87be 2018-09-11 stsp 		break;
243 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
244 6bef87be 2018-09-11 stsp 		ce->data.tree = (struct got_tree_object *)item;
245 6bef87be 2018-09-11 stsp 		break;
246 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
247 6bef87be 2018-09-11 stsp 		ce->data.commit = (struct got_commit_object *)item;
248 6bef87be 2018-09-11 stsp 		break;
249 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
250 f4a881ce 2018-11-17 stsp 		ce->data.tag = (struct got_tag_object *)item;
251 f4a881ce 2018-11-17 stsp 		break;
252 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
253 d3c116bf 2021-10-15 stsp 		ce->data.raw = (struct got_raw_object *)item;
254 d3c116bf 2021-10-15 stsp 		break;
255 6bef87be 2018-09-11 stsp 	}
256 6bef87be 2018-09-11 stsp 
257 f054b67a 2018-11-05 stsp 	err = got_object_idset_add(cache->idset, id, ce);
258 79c99a64 2019-05-23 stsp 	if (err)
259 79c99a64 2019-05-23 stsp 		free(ce);
260 6bef87be 2018-09-11 stsp 	return err;
261 6bef87be 2018-09-11 stsp }
262 6bef87be 2018-09-11 stsp 
263 6bef87be 2018-09-11 stsp void *
264 6bef87be 2018-09-11 stsp got_object_cache_get(struct got_object_cache *cache, struct got_object_id *id)
265 6bef87be 2018-09-11 stsp {
266 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce;
267 6bef87be 2018-09-11 stsp 
268 221e79cd 2018-09-16 stsp 	cache->cache_searches++;
269 f054b67a 2018-11-05 stsp 	ce = got_object_idset_get(cache->idset, id);
270 6bef87be 2018-09-11 stsp 	if (ce) {
271 6bef87be 2018-09-11 stsp 		cache->cache_hit++;
272 6bef87be 2018-09-11 stsp 		switch (cache->type) {
273 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_OBJ:
274 6bef87be 2018-09-11 stsp 			return ce->data.obj;
275 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_TREE:
276 6bef87be 2018-09-11 stsp 			return ce->data.tree;
277 6bef87be 2018-09-11 stsp 		case GOT_OBJECT_CACHE_TYPE_COMMIT:
278 6bef87be 2018-09-11 stsp 			return ce->data.commit;
279 f4a881ce 2018-11-17 stsp 		case GOT_OBJECT_CACHE_TYPE_TAG:
280 f4a881ce 2018-11-17 stsp 			return ce->data.tag;
281 d3c116bf 2021-10-15 stsp 		case GOT_OBJECT_CACHE_TYPE_RAW:
282 d3c116bf 2021-10-15 stsp 			return ce->data.raw;
283 6bef87be 2018-09-11 stsp 		}
284 6bef87be 2018-09-11 stsp 	}
285 6bef87be 2018-09-11 stsp 
286 6bef87be 2018-09-11 stsp 	cache->cache_miss++;
287 6bef87be 2018-09-11 stsp 	return NULL;
288 6bef87be 2018-09-11 stsp }
289 6bef87be 2018-09-11 stsp 
290 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
291 6bef87be 2018-09-11 stsp static void
292 6bef87be 2018-09-11 stsp print_cache_stats(struct got_object_cache *cache, const char *name)
293 6bef87be 2018-09-11 stsp {
294 221e79cd 2018-09-16 stsp 	fprintf(stderr, "%s: %s cache: %d elements, %d searches, %d hits, "
295 01cd7614 2019-05-22 stsp 	    "%d missed, %d evicted, %d too large\n", getprogname(), name,
296 f054b67a 2018-11-05 stsp 	    got_object_idset_num_elements(cache->idset),
297 221e79cd 2018-09-16 stsp 	    cache->cache_searches, cache->cache_hit,
298 01cd7614 2019-05-22 stsp 	    cache->cache_miss, cache->cache_evict, cache->cache_toolarge);
299 6bef87be 2018-09-11 stsp }
300 6bef87be 2018-09-11 stsp 
301 cb103d04 2018-11-07 stsp const struct got_error *
302 cb103d04 2018-11-07 stsp check_refcount(struct got_object_id *id, void *data, void *arg)
303 6bef87be 2018-09-11 stsp {
304 6bef87be 2018-09-11 stsp 	struct got_object_cache *cache = arg;
305 6bef87be 2018-09-11 stsp 	struct got_object_cache_entry *ce = data;
306 6bef87be 2018-09-11 stsp 	struct got_object *obj;
307 6bef87be 2018-09-11 stsp 	struct got_tree_object *tree;
308 6bef87be 2018-09-11 stsp 	struct got_commit_object *commit;
309 f4a881ce 2018-11-17 stsp 	struct got_tag_object *tag;
310 d3c116bf 2021-10-15 stsp 	struct got_raw_object *raw;
311 6bef87be 2018-09-11 stsp 	char *id_str;
312 6bef87be 2018-09-11 stsp 
313 6bef87be 2018-09-11 stsp 	if (got_object_id_str(&id_str, id) != NULL)
314 cb103d04 2018-11-07 stsp 		return NULL;
315 6bef87be 2018-09-11 stsp 
316 6bef87be 2018-09-11 stsp 	switch (cache->type) {
317 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
318 6bef87be 2018-09-11 stsp 		obj = ce->data.obj;
319 6bef87be 2018-09-11 stsp 		if (obj->refcnt == 1)
320 6bef87be 2018-09-11 stsp 			break;
321 6bef87be 2018-09-11 stsp 		fprintf(stderr, "object %s has %d unclaimed references\n",
322 6bef87be 2018-09-11 stsp 		    id_str, obj->refcnt - 1);
323 6bef87be 2018-09-11 stsp 		break;
324 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
325 6bef87be 2018-09-11 stsp 		tree = ce->data.tree;
326 6bef87be 2018-09-11 stsp 		if (tree->refcnt == 1)
327 6bef87be 2018-09-11 stsp 			break;
328 6bef87be 2018-09-11 stsp 		fprintf(stderr, "tree %s has %d unclaimed references\n",
329 6bef87be 2018-09-11 stsp 		    id_str, tree->refcnt - 1);
330 6bef87be 2018-09-11 stsp 		break;
331 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
332 6bef87be 2018-09-11 stsp 		commit = ce->data.commit;
333 6bef87be 2018-09-11 stsp 		if (commit->refcnt == 1)
334 6bef87be 2018-09-11 stsp 			break;
335 6bef87be 2018-09-11 stsp 		fprintf(stderr, "commit %s has %d unclaimed references\n",
336 414611d9 2018-09-19 stsp 		    id_str, commit->refcnt - 1);
337 6bef87be 2018-09-11 stsp 		break;
338 f4a881ce 2018-11-17 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
339 f4a881ce 2018-11-17 stsp 		tag = ce->data.tag;
340 f4a881ce 2018-11-17 stsp 		if (tag->refcnt == 1)
341 f4a881ce 2018-11-17 stsp 			break;
342 f4a881ce 2018-11-17 stsp 		fprintf(stderr, "tag %s has %d unclaimed references\n",
343 f4a881ce 2018-11-17 stsp 		    id_str, tag->refcnt - 1);
344 f4a881ce 2018-11-17 stsp 		break;
345 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
346 d3c116bf 2021-10-15 stsp 		raw = ce->data.raw;
347 d3c116bf 2021-10-15 stsp 		if (raw->refcnt == 1)
348 d3c116bf 2021-10-15 stsp 			break;
349 d3c116bf 2021-10-15 stsp 		fprintf(stderr, "raw %s has %d unclaimed references\n",
350 d3c116bf 2021-10-15 stsp 		    id_str, raw->refcnt - 1);
351 d3c116bf 2021-10-15 stsp 		break;
352 6bef87be 2018-09-11 stsp 	}
353 6bef87be 2018-09-11 stsp 	free(id_str);
354 cb103d04 2018-11-07 stsp 	return NULL;
355 6bef87be 2018-09-11 stsp }
356 6bef87be 2018-09-11 stsp #endif
357 6bef87be 2018-09-11 stsp 
358 6bef87be 2018-09-11 stsp void
359 6bef87be 2018-09-11 stsp got_object_cache_close(struct got_object_cache *cache)
360 6bef87be 2018-09-11 stsp {
361 f4081577 2018-09-15 stsp #ifdef GOT_OBJ_CACHE_DEBUG
362 6bef87be 2018-09-11 stsp 	switch (cache->type) {
363 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_OBJ:
364 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "object");
365 6bef87be 2018-09-11 stsp 		break;
366 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_TREE:
367 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "tree");
368 6bef87be 2018-09-11 stsp 		break;
369 6bef87be 2018-09-11 stsp 	case GOT_OBJECT_CACHE_TYPE_COMMIT:
370 6bef87be 2018-09-11 stsp 		print_cache_stats(cache, "commit");
371 6bef87be 2018-09-11 stsp 		break;
372 2ee32b23 2019-05-15 stsp 	case GOT_OBJECT_CACHE_TYPE_TAG:
373 2ee32b23 2019-05-15 stsp 		print_cache_stats(cache, "tag");
374 2ee32b23 2019-05-15 stsp 		break;
375 d3c116bf 2021-10-15 stsp 	case GOT_OBJECT_CACHE_TYPE_RAW:
376 d3c116bf 2021-10-15 stsp 		print_cache_stats(cache, "raw");
377 d3c116bf 2021-10-15 stsp 		break;
378 6bef87be 2018-09-11 stsp 	}
379 6bef87be 2018-09-11 stsp 
380 f054b67a 2018-11-05 stsp 	got_object_idset_for_each(cache->idset, check_refcount, cache);
381 6bef87be 2018-09-11 stsp #endif
382 6bef87be 2018-09-11 stsp 
383 f054b67a 2018-11-05 stsp 	if (cache->idset) {
384 f054b67a 2018-11-05 stsp 		got_object_idset_free(cache->idset);
385 f054b67a 2018-11-05 stsp 		cache->idset = NULL;
386 6bef87be 2018-09-11 stsp 	}
387 6bef87be 2018-09-11 stsp 	cache->size = 0;
388 6bef87be 2018-09-11 stsp }