Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/auth-cache.h @ 2798:54b29901a793 HEAD

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Added simple LRU cache for auth requests. Currently only for sql passdb.
author Timo Sirainen <tss@iki.fi>
date Thu, 21 Oct 2004 05:23:09 +0300
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children 97f53e0cce63
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54b29901a793 Added simple LRU cache for auth requests. Currently only for sql passdb.
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1 #ifndef __AUTH_CACHE_H
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2 #define __AUTH_CACHE_H
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3
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4 struct auth_cache;
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5 struct auth_request;
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6
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7 /* Parses all %x variables from query and compresses them into tab-separated
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8 list, so it can be used as a cache key. */
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9 char *auth_cache_parse_key(const char *query);
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10
54b29901a793 Added simple LRU cache for auth requests. Currently only for sql passdb.
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11 /* Create a new cache. max_size specifies the maximum amount of memory in
54b29901a793 Added simple LRU cache for auth requests. Currently only for sql passdb.
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12 bytes to use for cache (it's not fully exact). ttl_secs specifies time to
54b29901a793 Added simple LRU cache for auth requests. Currently only for sql passdb.
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13 live for cache record, requests older than that are not used. */
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14 struct auth_cache *auth_cache_new(size_t max_size, unsigned int ttl_secs);
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15 void auth_cache_free(struct auth_cache *cache);
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16
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17 /* Clear the cache. */
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18 void auth_cache_clear(struct auth_cache *cache);
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19
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20 /* Look key from cache. key should be the same string as returned by
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21 auth_cache_parse_key(). */
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22 const char *auth_cache_lookup(struct auth_cache *cache,
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23 const struct auth_request *request,
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24 const char *key);
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25 /* Insert key => value into cache. */
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26 void auth_cache_insert(struct auth_cache *cache,
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27 const struct auth_request *request,
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28 const char *key, const char *value);
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29
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30 #endif