Updating tree for new function work in libhashkit.
[m6w6/libmemcached] / libmemcached / memcached.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: interface for memcached server
9 * Description: main include file for libmemcached
10 *
11 */
12
13 #ifndef __MEMCACHED_H__
14 #define __MEMCACHED_H__
15
16 #include <stdlib.h>
17 #include <inttypes.h>
18
19 #if !defined(__cplusplus)
20 # include <stdbool.h>
21 #endif
22
23 #include <sys/types.h>
24 #include <netinet/in.h>
25
26 #include <libmemcached/visibility.h>
27 #include <libmemcached/configure.h>
28 #include <libmemcached/constants.h>
29 #include <libmemcached/types.h>
30 #include <libmemcached/string.h>
31 #include <libmemcached/stats.h>
32 #include <libhashkit/hashkit.h>
33 // Everything above this line must be in the order specified.
34 #include <libmemcached/allocators.h>
35 #include <libmemcached/analyze.h>
36 #include <libmemcached/auto.h>
37 #include <libmemcached/behavior.h>
38 #include <libmemcached/callback.h>
39 #include <libmemcached/delete.h>
40 #include <libmemcached/dump.h>
41 #include <libmemcached/fetch.h>
42 #include <libmemcached/flush.h>
43 #include <libmemcached/flush_buffers.h>
44 #include <libmemcached/get.h>
45 #include <libmemcached/hash.h>
46 #include <libmemcached/parse.h>
47 #include <libmemcached/quit.h>
48 #include <libmemcached/result.h>
49 #include <libmemcached/server.h>
50 #include <libmemcached/storage.h>
51 #include <libmemcached/strerror.h>
52 #include <libmemcached/verbosity.h>
53 #include <libmemcached/version.h>
54
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58
59 struct memcached_st {
60 /**
61 @note these are static and should not change without a call to behavior.
62 */
63 struct {
64 bool is_purging:1;
65 bool is_processing_input:1;
66 } state;
67 struct {
68 // Everything below here is pretty static.
69 bool auto_eject_hosts:1;
70 bool binary_protocol:1;
71 bool buffer_requests:1;
72 bool cork:1;
73 bool hash_with_prefix_key:1;
74 bool ketama_weighted:1;
75 bool no_block:1;
76 bool no_reply:1;
77 bool randomize_replica_read:1;
78 bool reuse_memory:1;
79 bool support_cas:1;
80 bool tcp_nodelay:1;
81 bool use_cache_lookups:1;
82 bool use_sort_hosts:1;
83 bool use_udp:1;
84 bool verify_key:1;
85 } flags;
86 memcached_server_distribution_t distribution;
87 hashkit_st hashkit;
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;
92 int32_t snd_timeout;
93 int32_t rcv_timeout;
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 int cached_errno;
99 int32_t poll_timeout;
100 int32_t connect_timeout;
101 int32_t retry_timeout;
102 uint32_t continuum_count; // Ketama
103 int send_size;
104 int recv_size;
105 void *user_data;
106 time_t next_distribution_rebuild; // Ketama
107 size_t prefix_key_length;
108 uint32_t number_of_replicas;
109 hashkit_st distribution_hashkit;
110 memcached_result_st result;
111 memcached_continuum_item_st *continuum; // Ketama
112
113 struct _allocators_st {
114 memcached_calloc_fn calloc;
115 memcached_free_fn free;
116 memcached_malloc_fn malloc;
117 memcached_realloc_fn realloc;
118 void *context;
119 } allocators;
120
121 memcached_clone_fn on_clone;
122 memcached_cleanup_fn on_cleanup;
123 memcached_trigger_key_fn get_key_failure;
124 memcached_trigger_delete_key_fn delete_trigger;
125 memcached_callback_st *callbacks;
126 char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
127 struct {
128 bool is_allocated:1;
129 } options;
130 };
131
132 LIBMEMCACHED_API
133 void memcached_servers_reset(memcached_st *ptr);
134
135 /* Public API */
136
137 LIBMEMCACHED_API
138 memcached_st *memcached_create(memcached_st *ptr);
139
140 LIBMEMCACHED_API
141 void memcached_free(memcached_st *ptr);
142
143 LIBMEMCACHED_API
144 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr);
145
146 LIBMEMCACHED_API
147 void *memcached_get_user_data(const memcached_st *ptr);
148
149 LIBMEMCACHED_API
150 void *memcached_set_user_data(memcached_st *ptr, void *data);
151
152 // Local Only Inline
153 static inline memcached_server_st *memcached_server_instance_fetch(memcached_st *ptr, uint32_t server_key)
154 {
155 return &ptr->servers[server_key];
156 }
157
158
159 #ifdef __cplusplus
160 }
161 #endif
162
163
164 #endif /* __MEMCACHED_H__ */