98 	struct lws_diskcache_scan *lds = lws_malloc(sizeof(*lds), "cachescan");  in lws_diskcache_create()  local
100 	if (!lds)  in lws_diskcache_create()
103 	memset(lds, 0, sizeof(*lds));  in lws_diskcache_create()
105 	lds->cache_dir_base = cache_dir_base;  in lws_diskcache_create()
106 	lds->cache_size_limit = cache_size_limit;  in lws_diskcache_create()
108 	return lds;  in lws_diskcache_create()
112 lws_diskcache_destroy(struct lws_diskcache_scan **lds)  in lws_diskcache_destroy()  argument
114 	if ((*lds)->batch)  in lws_diskcache_destroy()
115 		lws_free((*lds)->batch);  in lws_diskcache_destroy()
116 	lws_free(*lds);  in lws_diskcache_destroy()
117 	*lds = NULL;  in lws_diskcache_destroy()
176 lws_diskcache_query(struct lws_diskcache_scan *lds, int is_bot,  in lws_diskcache_query()  argument
184 	if (!lds->cache_dir_base)  in lws_diskcache_query()
188 		lds->cache_tries++;  in lws_diskcache_query()
190 	n = lws_snprintf(cache, cache_len, "%s/%c/%c/%s", lds->cache_dir_base,  in lws_diskcache_query()
200 			lds->cache_hits++;  in lws_diskcache_query()
239 lws_diskcache_secs_to_idle(struct lws_diskcache_scan *lds)  in lws_diskcache_secs_to_idle()  argument
241 	return lds->secs_waiting;  in lws_diskcache_secs_to_idle()
272 lws_diskcache_trim(struct lws_diskcache_scan *lds)  in lws_diskcache_trim()  argument
274 	size_t cache_size_limit = lds->cache_size_limit;  in lws_diskcache_trim()
285 	if (!lds->cache_subdir) {  in lws_diskcache_trim()
287 		if (lds->last_scan_completed + lds->secs_waiting > time(NULL))  in lws_diskcache_trim()
290 		lds->batch = lws_malloc(sizeof(struct file_entry) *  in lws_diskcache_trim()
292 		if (!lds->batch) {  in lws_diskcache_trim()
297 		lds->agg_size = 0;  in lws_diskcache_trim()
298 		lds->head = NULL;  in lws_diskcache_trim()
299 		lds->batch_in_use = 0;  in lws_diskcache_trim()
300 		lds->agg_file_count = 0;  in lws_diskcache_trim()
304 		     lds->cache_dir_base, hex[(lds->cache_subdir >> 4) & 15],  in lws_diskcache_trim()
305 		     hex[lds->cache_subdir & 15]);  in lws_diskcache_trim()
310 			 lds->cache_dir_base);  in lws_diskcache_trim()
322 		lds->agg_file_count++;  in lws_diskcache_trim()
341 		lds->agg_size += s.st_size;  in lws_diskcache_trim()
343 		if (lds->batch_in_use == BATCH_COUNT) {  in lws_diskcache_trim()
349 			if (lp_to_fe(lds->head, sorted)->modified < s.st_mtime)  in lws_diskcache_trim()
357 			p = lds->head;  in lws_diskcache_trim()
358 			lds->head = p->sorted;  in lws_diskcache_trim()
362 			p = &lds->batch[lds->batch_in_use++];  in lws_diskcache_trim()
370 		lws_list_ptr_insert(&lds->head, &p->sorted, fe_modified_sort);  in lws_diskcache_trim()
375 	lds->cache_subdir++;  in lws_diskcache_trim()
376 	if (lds->cache_subdir != 0x100)  in lws_diskcache_trim()
385 	if (lds->agg_size > cache_size_limit) {  in lws_diskcache_trim()
389 		lp = lds->head;  in lws_diskcache_trim()
405 		while (lp && lds->agg_size > cache_size_limit) {  in lws_diskcache_trim()
409 				     lds->cache_dir_base, p->name[0],  in lws_diskcache_trim()
413 				lds->agg_size -= p->size;  in lws_diskcache_trim()
426 				    lds->cache_dir_base, files_trimmed,  in lws_diskcache_trim()
428 				    ((unsigned long long)lds->agg_size) / MIB);  in lws_diskcache_trim()
431 	if (lds->agg_size && lds->agg_file_count)  in lws_diskcache_trim()
432 		lds->avg_size = lds->agg_size / lds->agg_file_count;  in lws_diskcache_trim()
439 	lds->last_scan_completed = time(NULL);  in lws_diskcache_trim()
440 	lds->secs_waiting = 1;  in lws_diskcache_trim()
442 	if (lds->agg_size < cache_size_limit) {  in lws_diskcache_trim()
446 		if (lds->agg_size && lds->agg_file_count)  in lws_diskcache_trim()
447 			avg = ((lds->agg_size * 8) / lds->agg_file_count) / 10;  in lws_diskcache_trim()
459 		projected = (lds->agg_size * 11) / 10;  in lws_diskcache_trim()
462 			lds->secs_waiting  = (256 / 2) * ((cache_size_limit -  in lws_diskcache_trim()
470 		if (lds->secs_waiting > 3600)  in lws_diskcache_trim()
471 			lds->secs_waiting = 3600;  in lws_diskcache_trim()
473 		lds->secs_waiting = 0;  in lws_diskcache_trim()
476 		  lds->cache_dir_base,  in lws_diskcache_trim()
477 		  (unsigned long long)lds->agg_size / KIB,  in lws_diskcache_trim()
479 		  lds->secs_waiting);  in lws_diskcache_trim()
481 	lws_free(lds->batch);  in lws_diskcache_trim()
482 	lds->batch = NULL;  in lws_diskcache_trim()
484 	lds->cache_subdir = 0;  in lws_diskcache_trim()