thodg/got/lib/got_lib_object_cache.h

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• Hash : 01cd7614
  Author :
  Date : 2019-05-22T14:06:03
  

  add cache debug output for too large elements

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• lib/got_lib_object_cache.h

• /*
   * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  enum got_object_cache_type {
  	GOT_OBJECT_CACHE_TYPE_OBJ,
  	GOT_OBJECT_CACHE_TYPE_TREE,
  	GOT_OBJECT_CACHE_TYPE_COMMIT,
  	GOT_OBJECT_CACHE_TYPE_TAG,
  };
  
  struct got_object_cache_entry {
  	struct got_object_id id;
  	union {
  		struct got_object *obj;
  		struct got_tree_object *tree;
  		struct got_commit_object *commit;
  		struct got_tag_object *tag;
  	} data;
  };
  
  struct got_object_cache {
  	enum got_object_cache_type type;
  	struct got_object_idset *idset;
  	size_t size;
  	int cache_searches;
  	int cache_hit;
  	int cache_miss;
  	int cache_evict;
  	int cache_toolarge;
  };
  
  const struct got_error *got_object_cache_init(struct got_object_cache *,
      enum got_object_cache_type);
  const struct got_error *got_object_cache_add(struct got_object_cache *,
      struct got_object_id *, void *);
  void *got_object_cache_get(struct got_object_cache *, struct got_object_id *);
  void got_object_cache_close(struct got_object_cache *);
  

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