git.m6w6.name Git - m6w6/libmemcached/blob - src/libhashkit/digest.cc

   1 /*
   2     +--------------------------------------------------------------------+
   3     | libmemcached - C/C++ Client Library for memcached                  |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted under the terms of the BSD license.    |
   7     | You should have received a copy of the license in a bundled file   |
   8     | named LICENSE; in case you did not receive a copy you can review   |
   9     | the terms online at: https://opensource.org/licenses/BSD-3-Clause  |
  10     +--------------------------------------------------------------------+
  11     | Copyright (c) 2006-2014 Brian Aker   https://datadifferential.com/ |
  12     | Copyright (c) 2020-2021 Michael Wallner        https://awesome.co/ |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #include "libhashkit/common.h"
  17
  18 uint32_t hashkit_digest(const hashkit_st *self, const char *key, size_t key_length) {
  19   return self->base_hash.function(key, key_length, self->base_hash.context);
  20 }
  21
  22 uint32_t libhashkit_digest(const char *key, size_t key_length,
  23                            hashkit_hash_algorithm_t hash_algorithm) {
  24   switch (hash_algorithm) {
  25   case HASHKIT_HASH_DEFAULT:
  26     return libhashkit_one_at_a_time(key, key_length);
  27   case HASHKIT_HASH_MD5:
  28     return libhashkit_md5(key, key_length);
  29   case HASHKIT_HASH_CRC:
  30     return libhashkit_crc32(key, key_length);
  31   case HASHKIT_HASH_FNV1_64:
  32     return libhashkit_fnv1_64(key, key_length);
  33   case HASHKIT_HASH_FNV1A_64:
  34     return libhashkit_fnv1a_64(key, key_length);
  35   case HASHKIT_HASH_FNV1_32:
  36     return libhashkit_fnv1_32(key, key_length);
  37   case HASHKIT_HASH_FNV1A_32:
  38     return libhashkit_fnv1a_32(key, key_length);
  39   case HASHKIT_HASH_HSIEH:
  40 #ifdef HAVE_HSIEH_HASH
  41     return libhashkit_hsieh(key, key_length);
  42 #else
  43     return 1;
  44 #endif
  45   case HASHKIT_HASH_MURMUR3:
  46     return libhashkit_murmur3(key, key_length);
  47
  48   case HASHKIT_HASH_MURMUR:
  49 #ifdef HAVE_MURMUR_HASH
  50     return libhashkit_murmur(key, key_length);
  51 #else
  52     return 1;
  53 #endif
  54   case HASHKIT_HASH_JENKINS:
  55     return libhashkit_jenkins(key, key_length);
  56   case HASHKIT_HASH_CUSTOM:
  57   case HASHKIT_HASH_MAX:
  58   default:
  59     if (DEBUG) {
  60       fprintf(stderr,
  61               "hashkit_hash_t was extended but libhashkit_generate_value was not updated\n");
  62       fflush(stderr);
  63       assert(0);
  64     }
  65     break;
  66   }
  67
  68   return 1;
  69 }