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

   1 /*
   2  * Summary: Constants for libmemcached
   3  *
   4  * Copy: See Copyright for the status of this software.
   5  *
   6  * Author: Brian Aker
   7  */
   8
   9 #ifndef __MEMCACHED_CONSTANTS_H__
  10 #define __MEMCACHED_CONSTANTS_H__
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  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_LENGTH 64
  21 #define MEMCACHED_MAX_HOST_SORT_LENGTH 86 /* Used for Ketama */
  22 #define MEMCACHED_POINTS_PER_SERVER 100
  23 #define MEMCACHED_POINTS_PER_SERVER_KETAMA 160
  24 #define MEMCACHED_CONTINUUM_SIZE MEMCACHED_POINTS_PER_SERVER*100 /* This would then set max hosts to 100 */
  25 #define MEMCACHED_STRIDE 4
  26 #define MEMCACHED_DEFAULT_TIMEOUT 1000
  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
  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_ERRNO,
  57   MEMCACHED_FAIL_UNIX_SOCKET,
  58   MEMCACHED_NOT_SUPPORTED,
  59   MEMCACHED_NO_KEY_PROVIDED, /* Deprecated. Use MEMCACHED_BAD_KEY_PROVIDED! */
  60   MEMCACHED_FETCH_NOTFINISHED,
  61   MEMCACHED_TIMEOUT,
  62   MEMCACHED_BUFFERED,
  63   MEMCACHED_BAD_KEY_PROVIDED,
  64   MEMCACHED_MAXIMUM_RETURN /* Always add new error code before */
  65 } memcached_return;
  66
  67 typedef enum {
  68   MEMCACHED_DISTRIBUTION_MODULA,
  69   MEMCACHED_DISTRIBUTION_CONSISTENT,
  70   MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA,
  71   MEMCACHED_DISTRIBUTION_RANDOM
  72 } memcached_server_distribution;
  73
  74 typedef enum {
  75   MEMCACHED_BEHAVIOR_NO_BLOCK,
  76   MEMCACHED_BEHAVIOR_TCP_NODELAY,
  77   MEMCACHED_BEHAVIOR_HASH,
  78   MEMCACHED_BEHAVIOR_KETAMA,
  79   MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE,
  80   MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE,
  81   MEMCACHED_BEHAVIOR_CACHE_LOOKUPS,
  82   MEMCACHED_BEHAVIOR_SUPPORT_CAS,
  83   MEMCACHED_BEHAVIOR_POLL_TIMEOUT,
  84   MEMCACHED_BEHAVIOR_DISTRIBUTION,
  85   MEMCACHED_BEHAVIOR_BUFFER_REQUESTS,
  86   MEMCACHED_BEHAVIOR_USER_DATA,
  87   MEMCACHED_BEHAVIOR_SORT_HOSTS,
  88   MEMCACHED_BEHAVIOR_VERIFY_KEY,
  89   MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT,
  90   MEMCACHED_BEHAVIOR_RETRY_TIMEOUT,
  91   MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED,
  92   MEMCACHED_BEHAVIOR_KETAMA_HASH,
  93   MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  94   MEMCACHED_BEHAVIOR_SND_TIMEOUT,
  95   MEMCACHED_BEHAVIOR_RCV_TIMEOUT,
  96   MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT,
  97   MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK,
  98   MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK,
  99   MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY,
 100   MEMCACHED_BEHAVIOR_NOREPLY
 101 } memcached_behavior;
 102
 103 typedef enum {
 104   MEMCACHED_CALLBACK_PREFIX_KEY,
 105   MEMCACHED_CALLBACK_USER_DATA,
 106   MEMCACHED_CALLBACK_CLEANUP_FUNCTION,
 107   MEMCACHED_CALLBACK_CLONE_FUNCTION,
 108   MEMCACHED_CALLBACK_MALLOC_FUNCTION,
 109   MEMCACHED_CALLBACK_REALLOC_FUNCTION,
 110   MEMCACHED_CALLBACK_FREE_FUNCTION,
 111   MEMCACHED_CALLBACK_GET_FAILURE,
 112   MEMCACHED_CALLBACK_DELETE_TRIGGER
 113 } memcached_callback;
 114
 115 typedef enum {
 116   MEMCACHED_HASH_DEFAULT= 0,
 117   MEMCACHED_HASH_MD5,
 118   MEMCACHED_HASH_CRC,
 119   MEMCACHED_HASH_FNV1_64,
 120   MEMCACHED_HASH_FNV1A_64,
 121   MEMCACHED_HASH_FNV1_32,
 122   MEMCACHED_HASH_FNV1A_32,
 123   MEMCACHED_HASH_HSIEH,
 124   MEMCACHED_HASH_MURMUR,
 125   MEMCACHED_HASH_JENKINS
 126 } memcached_hash;
 127
 128 typedef enum {
 129   MEMCACHED_CONNECTION_UNKNOWN,
 130   MEMCACHED_CONNECTION_TCP,
 131   MEMCACHED_CONNECTION_UDP,
 132   MEMCACHED_CONNECTION_UNIX_SOCKET
 133 } memcached_connection;
 134
 135 #ifdef __cplusplus
 136 }
 137 #endif
 138
 139 #endif /* __MEMCACHED_CONSTANTS_H__ */