git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/constants.h

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary: Constants for libmemcached
   9  *
  10  */
  11
  12 #pragma once
  13 #ifndef __LIBMEMCACHED_CONSTANTS_H__
  14 #define __LIBMEMCACHED_CONSTANTS_H__
  15
  16 /* Public defines */
  17 #define MEMCACHED_DEFAULT_PORT 11211
  18 #define MEMCACHED_MAX_KEY 251 /* We add one to have it null terminated */
  19 #define MEMCACHED_MAX_BUFFER 8196
  20 #define MEMCACHED_MAX_HOST_SORT_LENGTH 86 /* Used for Ketama */
  21 #define MEMCACHED_POINTS_PER_SERVER 100
  22 #define MEMCACHED_POINTS_PER_SERVER_KETAMA 160
  23 #define MEMCACHED_CONTINUUM_SIZE MEMCACHED_POINTS_PER_SERVER*100 /* This would then set max hosts to 100 */
  24 #define MEMCACHED_STRIDE 4
  25 #define MEMCACHED_DEFAULT_TIMEOUT 5000
  26 #define MEMCACHED_DEFAULT_CONNECT_TIMEOUT 4000
  27 #define MEMCACHED_CONTINUUM_ADDITION 10 /* How many extra slots we should build for in the continuum */
  28 #define MEMCACHED_PREFIX_KEY_MAX_SIZE 128
  29 #define MEMCACHED_EXPIRATION_NOT_ADD 0xffffffffU
  30 #define MEMCACHED_VERSION_STRING_LENGTH 24
  31
  32
  33 enum memcached_server_distribution_t {
  34   MEMCACHED_DISTRIBUTION_MODULA,
  35   MEMCACHED_DISTRIBUTION_CONSISTENT,
  36   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA,
  37   MEMCACHED_DISTRIBUTION_RANDOM,
  38   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY,
  39   MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED,
  40   MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET,
  41   MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
  42 };
  43
  44 #ifndef __cplusplus
  45 typedef enum memcached_server_distribution_t memcached_server_distribution_t;
  46 #endif
  47
  48 typedef enum {
  49   MEMCACHED_BEHAVIOR_NO_BLOCK,
  50   MEMCACHED_BEHAVIOR_TCP_NODELAY,
  51   MEMCACHED_BEHAVIOR_HASH,
  52   MEMCACHED_BEHAVIOR_KETAMA,
  53   MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE,
  54   MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE,
  55   MEMCACHED_BEHAVIOR_CACHE_LOOKUPS,
  56   MEMCACHED_BEHAVIOR_SUPPORT_CAS,
  57   MEMCACHED_BEHAVIOR_POLL_TIMEOUT,
  58   MEMCACHED_BEHAVIOR_DISTRIBUTION,
  59   MEMCACHED_BEHAVIOR_BUFFER_REQUESTS,
  60   MEMCACHED_BEHAVIOR_USER_DATA,
  61   MEMCACHED_BEHAVIOR_SORT_HOSTS,
  62   MEMCACHED_BEHAVIOR_VERIFY_KEY,
  63   MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT,
  64   MEMCACHED_BEHAVIOR_RETRY_TIMEOUT,
  65   MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED,
  66   MEMCACHED_BEHAVIOR_KETAMA_HASH,
  67   MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  68   MEMCACHED_BEHAVIOR_SND_TIMEOUT,
  69   MEMCACHED_BEHAVIOR_RCV_TIMEOUT,
  70   MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT,
  71   MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK,
  72   MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK,
  73   MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH,
  74   MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY,
  75   MEMCACHED_BEHAVIOR_NOREPLY,
  76   MEMCACHED_BEHAVIOR_USE_UDP,
  77   MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS,
  78   MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS,
  79   MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ,
  80   MEMCACHED_BEHAVIOR_CORK,
  81   MEMCACHED_BEHAVIOR_TCP_KEEPALIVE,
  82   MEMCACHED_BEHAVIOR_TCP_KEEPIDLE,
  83   MEMCACHED_BEHAVIOR_LOAD_FROM_FILE,
  84   MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS,
  85   MEMCACHED_BEHAVIOR_MAX
  86 } memcached_behavior_t;
  87
  88 typedef enum {
  89   MEMCACHED_CALLBACK_PREFIX_KEY = 0,
  90   MEMCACHED_CALLBACK_USER_DATA = 1,
  91   MEMCACHED_CALLBACK_CLEANUP_FUNCTION = 2,
  92   MEMCACHED_CALLBACK_CLONE_FUNCTION = 3,
  93 #ifdef MEMCACHED_ENABLE_DEPRECATED
  94   MEMCACHED_CALLBACK_MALLOC_FUNCTION = 4,
  95   MEMCACHED_CALLBACK_REALLOC_FUNCTION = 5,
  96   MEMCACHED_CALLBACK_FREE_FUNCTION = 6,
  97 #endif
  98   MEMCACHED_CALLBACK_GET_FAILURE = 7,
  99   MEMCACHED_CALLBACK_DELETE_TRIGGER = 8,
 100   MEMCACHED_CALLBACK_MAX
 101 } memcached_callback_t;
 102
 103 typedef enum {
 104   MEMCACHED_HASH_DEFAULT= 0,
 105   MEMCACHED_HASH_MD5,
 106   MEMCACHED_HASH_CRC,
 107   MEMCACHED_HASH_FNV1_64,
 108   MEMCACHED_HASH_FNV1A_64,
 109   MEMCACHED_HASH_FNV1_32,
 110   MEMCACHED_HASH_FNV1A_32,
 111   MEMCACHED_HASH_HSIEH,
 112   MEMCACHED_HASH_MURMUR,
 113   MEMCACHED_HASH_JENKINS,
 114   MEMCACHED_HASH_CUSTOM,
 115   MEMCACHED_HASH_MAX
 116 } memcached_hash_t;
 117
 118 typedef enum {
 119   MEMCACHED_CONNECTION_UNKNOWN,
 120   MEMCACHED_CONNECTION_TCP,
 121   MEMCACHED_CONNECTION_UDP,
 122   MEMCACHED_CONNECTION_UNIX_SOCKET,
 123   MEMCACHED_CONNECTION_MAX
 124 } memcached_connection_t;
 125
 126 #endif /* __LIBMEMCACHED_CONSTANTS_H__ */