git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached-1.0/constants.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
  39 #pragma once
  40
  41 /* Public defines */
  42 #define MEMCACHED_DEFAULT_PORT 11211
  43 #define MEMCACHED_MAX_KEY 251 /* We add one to have it null terminated */
  44 #define MEMCACHED_MAX_BUFFER 8196
  45 #define MEMCACHED_MAX_HOST_SORT_LENGTH 86 /* Used for Ketama */
  46 #define MEMCACHED_POINTS_PER_SERVER 100
  47 #define MEMCACHED_POINTS_PER_SERVER_KETAMA 160
  48 #define MEMCACHED_CONTINUUM_SIZE MEMCACHED_POINTS_PER_SERVER*100 /* This would then set max hosts to 100 */
  49 #define MEMCACHED_STRIDE 4
  50 #define MEMCACHED_DEFAULT_TIMEOUT 5000
  51 #define MEMCACHED_DEFAULT_CONNECT_TIMEOUT 4000
  52 #define MEMCACHED_CONTINUUM_ADDITION 10 /* How many extra slots we should build for in the continuum */
  53 #define MEMCACHED_PREFIX_KEY_MAX_SIZE 128
  54 #define MEMCACHED_EXPIRATION_NOT_ADD 0xffffffffU
  55 #define MEMCACHED_VERSION_STRING_LENGTH 24
  56 #define MEMCACHED_MAXIMUM_INTEGER_DISPLAY_LENGTH 20
  57 #define MEMCACHED_SERVER_FAILURE_LIMIT 5
  58 #define MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT 2
  59
  60
  61 enum memcached_server_distribution_t {
  62   MEMCACHED_DISTRIBUTION_MODULA,
  63   MEMCACHED_DISTRIBUTION_CONSISTENT,
  64   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA,
  65   MEMCACHED_DISTRIBUTION_RANDOM,
  66   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY,
  67   MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED,
  68   MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET,
  69   MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
  70 };
  71
  72 #ifndef __cplusplus
  73 typedef enum memcached_server_distribution_t memcached_server_distribution_t;
  74 #endif
  75
  76 enum memcached_behavior_t {
  77   MEMCACHED_BEHAVIOR_NO_BLOCK,
  78   MEMCACHED_BEHAVIOR_TCP_NODELAY,
  79   MEMCACHED_BEHAVIOR_HASH,
  80   MEMCACHED_BEHAVIOR_KETAMA,
  81   MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE,
  82   MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE,
  83   MEMCACHED_BEHAVIOR_CACHE_LOOKUPS,
  84   MEMCACHED_BEHAVIOR_SUPPORT_CAS,
  85   MEMCACHED_BEHAVIOR_POLL_TIMEOUT,
  86   MEMCACHED_BEHAVIOR_DISTRIBUTION,
  87   MEMCACHED_BEHAVIOR_BUFFER_REQUESTS,
  88   MEMCACHED_BEHAVIOR_USER_DATA,
  89   MEMCACHED_BEHAVIOR_SORT_HOSTS,
  90   MEMCACHED_BEHAVIOR_VERIFY_KEY,
  91   MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT,
  92   MEMCACHED_BEHAVIOR_RETRY_TIMEOUT,
  93   MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED,
  94   MEMCACHED_BEHAVIOR_KETAMA_HASH,
  95   MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  96   MEMCACHED_BEHAVIOR_SND_TIMEOUT,
  97   MEMCACHED_BEHAVIOR_RCV_TIMEOUT,
  98   MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT,
  99   MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK,
 100   MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK,
 101   MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH,
 102   MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY,
 103   MEMCACHED_BEHAVIOR_NOREPLY,
 104   MEMCACHED_BEHAVIOR_USE_UDP,
 105   MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS,
 106   MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS,
 107   MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ,
 108   MEMCACHED_BEHAVIOR_CORK,
 109   MEMCACHED_BEHAVIOR_TCP_KEEPALIVE,
 110   MEMCACHED_BEHAVIOR_TCP_KEEPIDLE,
 111   MEMCACHED_BEHAVIOR_LOAD_FROM_FILE,
 112   MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS,
 113   MEMCACHED_BEHAVIOR_MAX
 114 };
 115
 116 #ifndef __cplusplus
 117 typedef enum memcached_behavior_t memcached_behavior_t;
 118 #endif
 119
 120 enum memcached_callback_t {
 121   MEMCACHED_CALLBACK_PREFIX_KEY = 0,
 122   MEMCACHED_CALLBACK_USER_DATA = 1,
 123   MEMCACHED_CALLBACK_CLEANUP_FUNCTION = 2,
 124   MEMCACHED_CALLBACK_CLONE_FUNCTION = 3,
 125 #ifdef MEMCACHED_ENABLE_DEPRECATED
 126   MEMCACHED_CALLBACK_MALLOC_FUNCTION = 4,
 127   MEMCACHED_CALLBACK_REALLOC_FUNCTION = 5,
 128   MEMCACHED_CALLBACK_FREE_FUNCTION = 6,
 129 #endif
 130   MEMCACHED_CALLBACK_GET_FAILURE = 7,
 131   MEMCACHED_CALLBACK_DELETE_TRIGGER = 8,
 132   MEMCACHED_CALLBACK_MAX,
 133   MEMCACHED_CALLBACK_NAMESPACE= MEMCACHED_CALLBACK_PREFIX_KEY
 134 };
 135
 136 #ifndef __cplusplus
 137 typedef enum memcached_callback_t memcached_callback_t;
 138 #endif
 139
 140 enum memcached_hash_t {
 141   MEMCACHED_HASH_DEFAULT= 0,
 142   MEMCACHED_HASH_MD5,
 143   MEMCACHED_HASH_CRC,
 144   MEMCACHED_HASH_FNV1_64,
 145   MEMCACHED_HASH_FNV1A_64,
 146   MEMCACHED_HASH_FNV1_32,
 147   MEMCACHED_HASH_FNV1A_32,
 148   MEMCACHED_HASH_HSIEH,
 149   MEMCACHED_HASH_MURMUR,
 150   MEMCACHED_HASH_JENKINS,
 151   MEMCACHED_HASH_CUSTOM,
 152   MEMCACHED_HASH_MAX
 153 };
 154
 155 #ifndef __cplusplus
 156 typedef enum memcached_hash_t memcached_hash_t;
 157 #endif
 158
 159 enum memcached_connection_t {
 160   MEMCACHED_CONNECTION_TCP,
 161   MEMCACHED_CONNECTION_UDP,
 162   MEMCACHED_CONNECTION_UNIX_SOCKET
 163 };
 164
 165 enum {
 166   MEMCACHED_CONNECTION_UNKNOWN= 0,
 167   MEMCACHED_CONNECTION_MAX= 0
 168 };
 169
 170 #ifndef __cplusplus
 171 typedef enum memcached_connection_t memcached_connection_t;
 172 #endif