0cbb12f1cd0debfc28deb74c0265b4f5e0cea049
[awesomized/libmemcached] / libmemcached / memcached.h
1 /*
2 * Summary: interface for memcached server
3 * Description: main include file for libmemcached
4 *
5 * Copy: See Copyright for the status of this software.
6 *
7 * Author: Brian Aker
8 */
9
10 #ifndef __MEMCACHED_H__
11 #define __MEMCACHED_H__
12
13 #include <stdlib.h>
14 #include <inttypes.h>
15 #include <sys/types.h>
16 #include <netinet/in.h>
17
18 #include <libmemcached/libmemcached_config.h>
19 #include <libmemcached/memcached_constants.h>
20 #include <libmemcached/memcached_types.h>
21 #include <libmemcached/memcached_watchpoint.h>
22 #include <libmemcached/memcached_get.h>
23 #include <libmemcached/memcached_server.h>
24 #include <libmemcached/memcached_string.h>
25 #include <libmemcached/memcached_result.h>
26
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30
31 /* These are Private and should not be used by applications */
32 #define MEMCACHED_VERSION_STRING_LENGTH 12
33
34 /* string value */
35 struct memcached_continuum_item_st {
36 uint32_t index;
37 uint32_t value;
38 };
39
40 #define LIBMEMCACHED_VERSION_STRING "0.22"
41
42 struct memcached_stat_st {
43 uint32_t pid;
44 uint32_t uptime;
45 uint32_t threads;
46 uint32_t time;
47 uint32_t pointer_size;
48 uint32_t rusage_user_seconds;
49 uint32_t rusage_user_microseconds;
50 uint32_t rusage_system_seconds;
51 uint32_t rusage_system_microseconds;
52 uint32_t curr_items;
53 uint32_t total_items;
54 uint64_t limit_maxbytes;
55 uint32_t curr_connections;
56 uint32_t total_connections;
57 uint32_t connection_structures;
58 uint64_t bytes;
59 uint64_t cmd_get;
60 uint64_t cmd_set;
61 uint64_t get_hits;
62 uint64_t get_misses;
63 uint64_t evictions;
64 uint64_t bytes_read;
65 uint64_t bytes_written;
66 char version[MEMCACHED_VERSION_STRING_LENGTH];
67 };
68
69 struct memcached_st {
70 memcached_allocated is_allocated;
71 memcached_server_st *hosts;
72 unsigned int number_of_hosts;
73 unsigned int cursor_server;
74 int cached_errno;
75 uint32_t flags;
76 int send_size;
77 int recv_size;
78 int32_t poll_timeout;
79 int32_t connect_timeout;
80 int32_t retry_timeout;
81 memcached_result_st result;
82 memcached_hash hash;
83 memcached_server_distribution distribution;
84 void *user_data;
85 uint32_t continuum_count;
86 memcached_continuum_item_st *continuum;
87 memcached_clone_func on_clone;
88 memcached_cleanup_func on_cleanup;
89 memcached_free_function call_free;
90 memcached_malloc_function call_malloc;
91 memcached_realloc_function call_realloc;
92 memcached_trigger_key get_key_failure;
93 memcached_trigger_delete_key delete_trigger;
94 char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
95 size_t prefix_key_length;
96 memcached_hash hash_continuum;
97 uint32_t continuum_points_counter;
98 int32_t snd_timeout;
99 int32_t rcv_timeout;
100 };
101
102
103 /* Public API */
104 const char * memcached_lib_version(void);
105
106 memcached_st *memcached_create(memcached_st *ptr);
107 void memcached_free(memcached_st *ptr);
108 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr);
109
110 memcached_return memcached_delete(memcached_st *ptr, const char *key, size_t key_length,
111 time_t expiration);
112 memcached_return memcached_increment(memcached_st *ptr,
113 const char *key, size_t key_length,
114 uint32_t offset,
115 uint64_t *value);
116 memcached_return memcached_decrement(memcached_st *ptr,
117 const char *key, size_t key_length,
118 uint32_t offset,
119 uint64_t *value);
120 void memcached_stat_free(memcached_st *, memcached_stat_st *);
121 memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return *error);
122 memcached_return memcached_stat_servername(memcached_stat_st *stat, char *args,
123 char *hostname, unsigned int port);
124 memcached_return memcached_flush(memcached_st *ptr, time_t expiration);
125 memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
126 void memcached_quit(memcached_st *ptr);
127 char *memcached_strerror(memcached_st *ptr, memcached_return rc);
128 memcached_return memcached_behavior_set(memcached_st *ptr, memcached_behavior flag, uint64_t data);
129 uint64_t memcached_behavior_get(memcached_st *ptr, memcached_behavior flag);
130
131 /* Server Public functions */
132
133 memcached_return memcached_server_add_udp(memcached_st *ptr,
134 char *hostname,
135 unsigned int port);
136 memcached_return memcached_server_add_unix_socket(memcached_st *ptr,
137 char *filename);
138 memcached_return memcached_server_add(memcached_st *ptr, char *hostname,
139 unsigned int port);
140 void memcached_server_list_free(memcached_server_st *ptr);
141 memcached_return memcached_server_push(memcached_st *ptr, memcached_server_st *list);
142
143 memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
144 char *hostname, unsigned int port,
145 memcached_return *error);
146 unsigned int memcached_server_list_count(memcached_server_st *ptr);
147 memcached_server_st *memcached_servers_parse(char *server_strings);
148
149 char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *stat,
150 char *key, memcached_return *error);
151 char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *stat,
152 memcached_return *error);
153
154 memcached_return memcached_delete_by_key(memcached_st *ptr,
155 const char *master_key, size_t master_key_length,
156 const char *key, size_t key_length,
157 time_t expiration);
158
159 memcached_return memcached_fetch_execute(memcached_st *ptr,
160 memcached_execute_function *callback,
161 void *context,
162 unsigned int number_of_callbacks);
163
164 memcached_return memcached_callback_set(memcached_st *ptr,
165 memcached_callback flag,
166 void *data);
167 void *memcached_callback_get(memcached_st *ptr,
168 memcached_callback flag,
169 memcached_return *error);
170
171 memcached_return memcached_server_cursor(memcached_st *ptr,
172 memcached_server_function *callback,
173 void *context,
174 unsigned int number_of_callbacks);
175
176
177 #ifdef __cplusplus
178 }
179 #endif
180
181 #include <libmemcached/memcached_storage.h>
182
183 #endif /* __MEMCACHED_H__ */