git.m6w6.name Git - awesomized/libmemcached/blob - libhashkit/types.h

   1
   2 /* HashKit
   3  * Copyright (C) 2009 Brian Aker
   4  * All rights reserved.
   5  *
   6  * Use and distribution licensed under the BSD license.  See
   7  * the COPYING file in the parent directory for full text.
   8  */
   9
  10 #ifndef HASHKIT_TYPES_H
  11 #define HASHKIT_TYPES_H
  12
  13 #ifdef __cplusplus
  14
  15 extern "C" {
  16 #endif
  17
  18 typedef enum {
  19   HASHKIT_SUCCESS,
  20   HASHKIT_FAILURE,
  21   HASHKIT_MEMORY_ALLOCATION_FAILURE,
  22   HASHKIT_INVALID_HASH,
  23   HASHKIT_INVALID_ARGUMENT,
  24   HASHKIT_MAXIMUM_RETURN /* Always add new error code before */
  25 } hashkit_return_t;
  26
  27 typedef enum {
  28   HASHKIT_HASH_DEFAULT= 0, // hashkit_one_at_a_time()
  29   HASHKIT_HASH_MD5,
  30   HASHKIT_HASH_CRC,
  31   HASHKIT_HASH_FNV1_64,
  32   HASHKIT_HASH_FNV1A_64,
  33   HASHKIT_HASH_FNV1_32,
  34   HASHKIT_HASH_FNV1A_32,
  35   HASHKIT_HASH_HSIEH,
  36   HASHKIT_HASH_MURMUR,
  37   HASHKIT_HASH_JENKINS,
  38   HASHKIT_HASH_CUSTOM,
  39   HASHKIT_HASH_MAX
  40 } hashkit_hash_algorithm_t;
  41
  42 /**
  43  * Hash distributions that are available to use.
  44  */
  45 typedef enum
  46 {
  47   HASHKIT_DISTRIBUTION_MODULA,
  48   HASHKIT_DISTRIBUTION_RANDOM,
  49   HASHKIT_DISTRIBUTION_KETAMA,
  50   HASHKIT_DISTRIBUTION_MAX /* Always add new values before this. */
  51 } hashkit_distribution_t;
  52
  53
  54 typedef struct hashkit_st hashkit_st;
  55
  56 typedef uint32_t (*hashkit_hash_fn)(const char *key, size_t key_length, void *context);
  57
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* HASHKIT_TYPES_H */