mirror of
https://github.com/moparisthebest/curl
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62f0f5571d
hash function for different hashes, and also expanded the default size for the socket hash table used in multi handles to greatly enhance speed when very many connections are added and the socket API is used.
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
#ifndef __HASH_H
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#define __HASH_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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#include "setup.h"
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#include <stddef.h>
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#include "llist.h"
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/* Hash function prototype */
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typedef size_t (*hash_function) (void* key,
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size_t key_length,
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size_t slots_num);
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/*
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Comparator function prototype. Compares two keys.
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*/
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typedef size_t (*comp_function) (void* key1,
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size_t key1_len,
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void*key2,
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size_t key2_len);
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typedef void (*curl_hash_dtor)(void *);
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struct curl_hash {
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struct curl_llist **table;
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/* Hash function to be used for this hash table */
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hash_function hash_func;
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/* Comparator function to compare keys */
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comp_function comp_func;
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curl_hash_dtor dtor;
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int slots;
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size_t size;
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};
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struct curl_hash_element {
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void *ptr;
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char *key;
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size_t key_len;
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};
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int Curl_hash_init(struct curl_hash *h,
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int slots,
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hash_function hfunc,
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comp_function comparator,
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curl_hash_dtor dtor);
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struct curl_hash *Curl_hash_alloc(int slots,
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hash_function hfunc,
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comp_function comparator,
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curl_hash_dtor dtor);
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void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p);
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int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len);
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void *Curl_hash_pick(struct curl_hash *, void * key, size_t key_len);
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void Curl_hash_apply(struct curl_hash *h, void *user,
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void (*cb)(void *user, void *ptr));
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int Curl_hash_count(struct curl_hash *h);
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void Curl_hash_clean(struct curl_hash *h);
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void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
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int (*comp)(void *, void *));
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void Curl_hash_destroy(struct curl_hash *h);
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size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num);
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size_t Curl_str_key_compare(void*k1, size_t key1_len, void*k2,
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size_t key2_len);
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#endif
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