Merge trunk.
[awesomized/libmemcached] / libmemcached / hash.h
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2006-2009 Brian Aker All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * * The names of its contributors may not be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 *
36 */
37
38 #pragma once
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
44 /* The two public hash bits */
45 LIBMEMCACHED_API
46 uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memcached_hash_t hash_algorithm);
47
48 LIBMEMCACHED_API
49 const hashkit_st *memcached_get_hashkit(const memcached_st *ptr);
50
51 LIBMEMCACHED_API
52 memcached_return_t memcached_set_hashkit(memcached_st *ptr, hashkit_st *hashk);
53
54 LIBMEMCACHED_API
55 uint32_t memcached_generate_hash(const memcached_st *ptr, const char *key, size_t key_length);
56
57 LIBMEMCACHED_LOCAL
58 uint32_t memcached_generate_hash_with_redistribution(memcached_st *ptr, const char *key, size_t key_length);
59
60 LIBMEMCACHED_API
61 void memcached_autoeject(memcached_st *ptr);
62
63 LIBMEMCACHED_API
64 const char * libmemcached_string_hash(memcached_hash_t type);
65
66 #ifdef __cplusplus
67 }
68 #endif