git.m6w6.name Git - m6w6/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 #ifndef __MEMCACHED_CONSTANTS_H__
  13 #define __MEMCACHED_CONSTANTS_H__
  14
  15 /* Public defines */
  16 #define MEMCACHED_DEFAULT_PORT 11211
  17 #define MEMCACHED_MAX_KEY 251 /* We add one to have it null terminated */
  18 #define MEMCACHED_MAX_BUFFER 8196
  19 #define MEMCACHED_MAX_HOST_LENGTH 64
  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 1000
  26 #define MEMCACHED_CONTINUUM_ADDITION 10 /* How many extra slots we should build for in the continuum */
  27 #define MEMCACHED_PREFIX_KEY_MAX_SIZE 128
  28 #define MEMCACHED_EXPIRATION_NOT_ADD 0xffffffffU
  29
  30 typedef enum {
  31   MEMCACHED_SUCCESS,
  32   MEMCACHED_FAILURE,
  33   MEMCACHED_HOST_LOOKUP_FAILURE,
  34   MEMCACHED_CONNECTION_FAILURE,
  35   MEMCACHED_CONNECTION_BIND_FAILURE,
  36   MEMCACHED_WRITE_FAILURE,
  37   MEMCACHED_READ_FAILURE,
  38   MEMCACHED_UNKNOWN_READ_FAILURE,
  39   MEMCACHED_PROTOCOL_ERROR,
  40   MEMCACHED_CLIENT_ERROR,
  41   MEMCACHED_SERVER_ERROR,
  42   MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE,
  43   MEMCACHED_DATA_EXISTS,
  44   MEMCACHED_DATA_DOES_NOT_EXIST,
  45   MEMCACHED_NOTSTORED,
  46   MEMCACHED_STORED,
  47   MEMCACHED_NOTFOUND,
  48   MEMCACHED_MEMORY_ALLOCATION_FAILURE,
  49   MEMCACHED_PARTIAL_READ,
  50   MEMCACHED_SOME_ERRORS,
  51   MEMCACHED_NO_SERVERS,
  52   MEMCACHED_END,
  53   MEMCACHED_DELETED,
  54   MEMCACHED_VALUE,
  55   MEMCACHED_STAT,
  56   MEMCACHED_ITEM,
  57   MEMCACHED_ERRNO,
  58   MEMCACHED_FAIL_UNIX_SOCKET,
  59   MEMCACHED_NOT_SUPPORTED,
  60   MEMCACHED_NO_KEY_PROVIDED, /* Deprecated. Use MEMCACHED_BAD_KEY_PROVIDED! */
  61   MEMCACHED_FETCH_NOTFINISHED,
  62   MEMCACHED_TIMEOUT,
  63   MEMCACHED_BUFFERED,
  64   MEMCACHED_BAD_KEY_PROVIDED,
  65   MEMCACHED_INVALID_HOST_PROTOCOL,
  66   MEMCACHED_SERVER_MARKED_DEAD,
  67   MEMCACHED_UNKNOWN_STAT_KEY,
  68   MEMCACHED_E2BIG,
  69   MEMCACHED_INVALID_ARGUMENTS,
  70   MEMCACHED_MAXIMUM_RETURN /* Always add new error code before */
  71 } memcached_return_t;
  72
  73
  74 typedef enum {
  75   MEMCACHED_DISTRIBUTION_MODULA,
  76   MEMCACHED_DISTRIBUTION_CONSISTENT,
  77   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA,
  78   MEMCACHED_DISTRIBUTION_RANDOM,
  79   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY,
  80   MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
  81 } memcached_server_distribution_t;
  82
  83 typedef enum {
  84   MEMCACHED_BEHAVIOR_NO_BLOCK,
  85   MEMCACHED_BEHAVIOR_TCP_NODELAY,
  86   MEMCACHED_BEHAVIOR_HASH,
  87   MEMCACHED_BEHAVIOR_KETAMA,
  88   MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE,
  89   MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE,
  90   MEMCACHED_BEHAVIOR_CACHE_LOOKUPS,
  91   MEMCACHED_BEHAVIOR_SUPPORT_CAS,
  92   MEMCACHED_BEHAVIOR_POLL_TIMEOUT,
  93   MEMCACHED_BEHAVIOR_DISTRIBUTION,
  94   MEMCACHED_BEHAVIOR_BUFFER_REQUESTS,
  95   MEMCACHED_BEHAVIOR_USER_DATA,
  96   MEMCACHED_BEHAVIOR_SORT_HOSTS,
  97   MEMCACHED_BEHAVIOR_VERIFY_KEY,
  98   MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT,
  99   MEMCACHED_BEHAVIOR_RETRY_TIMEOUT,
 100   MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED,
 101   MEMCACHED_BEHAVIOR_KETAMA_HASH,
 102   MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
 103   MEMCACHED_BEHAVIOR_SND_TIMEOUT,
 104   MEMCACHED_BEHAVIOR_RCV_TIMEOUT,
 105   MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT,
 106   MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK,
 107   MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK,
 108   MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH,
 109   MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY,
 110   MEMCACHED_BEHAVIOR_NOREPLY,
 111   MEMCACHED_BEHAVIOR_USE_UDP,
 112   MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS,
 113   MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS,
 114   MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ,
 115   MEMCACHED_BEHAVIOR_MAX
 116 } memcached_behavior_t;
 117
 118 typedef enum {
 119   MEMCACHED_CALLBACK_PREFIX_KEY = 0,
 120   MEMCACHED_CALLBACK_USER_DATA = 1,
 121   MEMCACHED_CALLBACK_CLEANUP_FUNCTION = 2,
 122   MEMCACHED_CALLBACK_CLONE_FUNCTION = 3,
 123 #ifdef MEMCACHED_ENABLE_DEPRECATED
 124   MEMCACHED_CALLBACK_MALLOC_FUNCTION = 4,
 125   MEMCACHED_CALLBACK_REALLOC_FUNCTION = 5,
 126   MEMCACHED_CALLBACK_FREE_FUNCTION = 6,
 127 #endif
 128   MEMCACHED_CALLBACK_GET_FAILURE = 7,
 129   MEMCACHED_CALLBACK_DELETE_TRIGGER = 8,
 130   MEMCACHED_CALLBACK_MAX
 131 } memcached_callback_t;
 132
 133 typedef enum {
 134   MEMCACHED_HASH_DEFAULT= 0,
 135   MEMCACHED_HASH_MD5,
 136   MEMCACHED_HASH_CRC,
 137   MEMCACHED_HASH_FNV1_64,
 138   MEMCACHED_HASH_FNV1A_64,
 139   MEMCACHED_HASH_FNV1_32,
 140   MEMCACHED_HASH_FNV1A_32,
 141   MEMCACHED_HASH_HSIEH,
 142   MEMCACHED_HASH_MURMUR,
 143   MEMCACHED_HASH_JENKINS,
 144   MEMCACHED_HASH_MAX
 145 } memcached_hash_t;
 146
 147 typedef enum {
 148   MEMCACHED_CONNECTION_UNKNOWN,
 149   MEMCACHED_CONNECTION_TCP,
 150   MEMCACHED_CONNECTION_UDP,
 151   MEMCACHED_CONNECTION_UNIX_SOCKET,
 152   MEMCACHED_CONNECTION_MAX
 153 } memcached_connection_t;
 154
 155 #endif /* __MEMCACHED_CONSTANTS_H__ */