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: interface for memcached server
9 * Description: main include file for libmemcached
13 #ifndef __LIBMEMCACHED_MEMCACHED_H__
14 #define __LIBMEMCACHED_MEMCACHED_H__
18 #include <netinet/in.h>
20 #include <sys/types.h>
23 #if !defined(__cplusplus)
27 #include <libmemcached/visibility.h>
28 #include <libmemcached/configure.h>
29 #include <libmemcached/constants.h>
30 #include <libmemcached/types.h>
31 #include <libmemcached/string.h>
32 #include <libmemcached/stats.h>
33 #include <libhashkit/hashkit.h>
34 // Everything above this line must be in the order specified.
35 #include <libmemcached/allocators.h>
36 #include <libmemcached/analyze.h>
37 #include <libmemcached/auto.h>
38 #include <libmemcached/behavior.h>
39 #include <libmemcached/callback.h>
40 #include <libmemcached/delete.h>
41 #include <libmemcached/dump.h>
42 #include <libmemcached/fetch.h>
43 #include <libmemcached/flush.h>
44 #include <libmemcached/flush_buffers.h>
45 #include <libmemcached/get.h>
46 #include <libmemcached/hash.h>
47 #include <libmemcached/parse.h>
48 #include <libmemcached/quit.h>
49 #include <libmemcached/result.h>
50 #include <libmemcached/server.h>
51 #include <libmemcached/server_list.h>
52 #include <libmemcached/storage.h>
53 #include <libmemcached/strerror.h>
54 #include <libmemcached/verbosity.h>
55 #include <libmemcached/version.h>
56 #include <libmemcached/sasl.h>
60 @note these are static and should not change without a call to behavior.
64 bool is_processing_input
:1;
67 // Everything below here is pretty static.
68 bool auto_eject_hosts
:1;
69 bool binary_protocol
:1;
70 bool buffer_requests
:1;
72 bool hash_with_prefix_key
:1;
73 bool ketama_weighted
:1;
76 bool randomize_replica_read
:1;
80 bool use_cache_lookups
:1;
81 bool use_sort_hosts
:1;
86 memcached_server_distribution_t distribution
;
88 uint32_t continuum_points_counter
; // Ketama
89 uint32_t number_of_hosts
;
90 memcached_server_st
*servers
;
91 memcached_server_st
*last_disconnected_server
;
94 uint32_t server_failure_limit
;
95 uint32_t io_msg_watermark
;
96 uint32_t io_bytes_watermark
;
97 uint32_t io_key_prefetch
;
98 uint32_t tcp_keepidle
;
100 int32_t poll_timeout
;
101 int32_t connect_timeout
;
102 int32_t retry_timeout
;
103 uint32_t continuum_count
; // Ketama
107 time_t next_distribution_rebuild
; // Ketama
108 size_t prefix_key_length
;
109 uint32_t number_of_replicas
;
110 hashkit_st distribution_hashkit
;
111 memcached_result_st result
;
112 memcached_continuum_item_st
*continuum
; // Ketama
114 struct _allocators_st
{
115 memcached_calloc_fn calloc
;
116 memcached_free_fn free
;
117 memcached_malloc_fn malloc
;
118 memcached_realloc_fn realloc
;
122 memcached_clone_fn on_clone
;
123 memcached_cleanup_fn on_cleanup
;
124 memcached_trigger_key_fn get_key_failure
;
125 memcached_trigger_delete_key_fn delete_trigger
;
126 memcached_callback_st
*callbacks
;
127 #ifdef LIBMEMCACHED_WITH_SASL_SUPPORT
129 const sasl_callback_t
*callbacks
;
131 ** Did we allocate data inside the callbacks, or did the user
138 char prefix_key
[MEMCACHED_PREFIX_KEY_MAX_SIZE
];
150 void memcached_servers_reset(memcached_st
*ptr
);
153 memcached_st
*memcached_create(memcached_st
*ptr
);
156 void memcached_free(memcached_st
*ptr
);
159 memcached_st
*memcached_clone(memcached_st
*clone
, const memcached_st
*ptr
);
162 void *memcached_get_user_data(const memcached_st
*ptr
);
165 void *memcached_set_user_data(memcached_st
*ptr
, void *data
);
168 memcached_return_t
memcached_push(memcached_st
*destination
, const memcached_st
*source
);
171 memcached_server_instance_st
memcached_server_instance_by_position(const memcached_st
*ptr
, uint32_t server_key
);
174 uint32_t memcached_server_count(const memcached_st
*);
182 class Memcached
: private memcached_st
{
187 memcached_create(this);
192 memcached_free(this);
195 Memcached(const Memcached
& source
)
197 memcached_clone(this, &source
);
200 Memcached
& operator=(const Memcached
& source
)
202 memcached_free(this);
203 memcached_clone(this, &source
);
210 #endif /* __LIBMEMCACHED_MEMCACHED_H__ */