2 * Copyright (C) 2006-2009 Brian Aker
5 * Use and distribution licensed under the BSD license. See
6 * the COPYING file in the parent directory for full text.
8 * Summary: Constants for libmemcached
13 #ifndef __LIBMEMCACHED_CONSTANTS_H__
14 #define __LIBMEMCACHED_CONSTANTS_H__
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
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
45 typedef enum memcached_server_distribution_t memcached_server_distribution_t
;
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
;
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,
98 MEMCACHED_CALLBACK_GET_FAILURE
= 7,
99 MEMCACHED_CALLBACK_DELETE_TRIGGER
= 8,
100 MEMCACHED_CALLBACK_MAX
101 } memcached_callback_t
;
104 MEMCACHED_HASH_DEFAULT
= 0,
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
,
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
;
126 #endif /* __LIBMEMCACHED_CONSTANTS_H__ */