git.m6w6.name Git - awesomized/libmemcached/blob - 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_server.h>
  23 #include <libmemcached/memcached_string.h>
  24 #include <libmemcached/memcached_result.h>
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 /* These are Private and should not be used by applications */
  31 #define MEMCACHED_VERSION_STRING_LENGTH 12
  32
  33 /* Public defines */
  34 #define MEMCACHED_DEFAULT_PORT 11211
  35 #define MEMCACHED_MAX_KEY 251 /* We add one to have it null terminated */
  36 #define MEMCACHED_MAX_BUFFER 8196
  37 #define MEMCACHED_MAX_HOST_LENGTH 64
  38 #define MEMCACHED_WHEEL_SIZE 1024
  39 #define MEMCACHED_STRIDE 4
  40 #define MEMCACHED_DEFAULT_TIMEOUT INT32_MAX
  41
  42 /* string value */
  43 #define LIBMEMCACHED_VERSION_STRING "0.17"
  44
  45 struct memcached_stat_st {
  46   uint32_t pid;
  47   uint32_t uptime;
  48   uint32_t threads;
  49   uint32_t time;
  50   uint32_t pointer_size;
  51   uint32_t rusage_user_seconds;
  52   uint32_t rusage_user_microseconds;
  53   uint32_t rusage_system_seconds;
  54   uint32_t rusage_system_microseconds;
  55   uint32_t curr_items;
  56   uint32_t total_items;
  57   uint64_t limit_maxbytes;
  58   uint32_t curr_connections;
  59   uint32_t total_connections;
  60   uint32_t connection_structures;
  61   uint64_t bytes;
  62   uint64_t cmd_get;
  63   uint64_t cmd_set;
  64   uint64_t get_hits;
  65   uint64_t get_misses;
  66   uint64_t evictions;
  67   uint64_t bytes_read;
  68   uint64_t bytes_written;
  69   char version[MEMCACHED_VERSION_STRING_LENGTH];
  70 };
  71
  72 struct memcached_st {
  73   memcached_allocated is_allocated;
  74   memcached_server_st *hosts;
  75   unsigned int number_of_hosts;
  76   unsigned int cursor_server;
  77   int cached_errno;
  78   uint32_t flags;
  79   int send_size;
  80   int recv_size;
  81   int32_t poll_timeout;
  82   int32_t connect_timeout;
  83   int32_t retry_timeout;
  84   memcached_result_st result;
  85   memcached_hash hash;
  86   memcached_server_distribution distribution;
  87   void *user_data;
  88   unsigned int wheel[MEMCACHED_WHEEL_SIZE];
  89   memcached_clone_func on_clone;
  90   memcached_cleanup_func on_cleanup;
  91   memcached_free_function call_free;
  92   memcached_malloc_function call_malloc;
  93   memcached_realloc_function call_realloc;
  94 #ifdef NOT_USED /* Future Use */
  95   uint8_t replicas;
  96   memcached_return warning;
  97 #endif
  98 };
  99
 100 /* Public API */
 101 const char * memcached_lib_version(void);
 102
 103 memcached_st *memcached_create(memcached_st *ptr);
 104 void memcached_free(memcached_st *ptr);
 105 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr);
 106
 107 memcached_return memcached_delete(memcached_st *ptr, char *key, size_t key_length,
 108                                   time_t expiration);
 109 memcached_return memcached_increment(memcached_st *ptr,
 110                                      char *key, size_t key_length,
 111                                      uint32_t offset,
 112                                      uint64_t *value);
 113 memcached_return memcached_decrement(memcached_st *ptr,
 114                                      char *key, size_t key_length,
 115                                      uint32_t offset,
 116                                      uint64_t *value);
 117 void memcached_stat_free(memcached_st *, memcached_stat_st *);
 118 memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return *error);
 119 memcached_return memcached_stat_servername(memcached_stat_st *stat, char *args,
 120                                            char *hostname, unsigned int port);
 121 memcached_return memcached_flush(memcached_st *ptr, time_t expiration);
 122 memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
 123 void memcached_quit(memcached_st *ptr);
 124 char *memcached_strerror(memcached_st *ptr, memcached_return rc);
 125 memcached_return memcached_behavior_set(memcached_st *ptr, memcached_behavior flag, uint64_t data);
 126 uint64_t memcached_behavior_get(memcached_st *ptr, memcached_behavior flag);
 127
 128 /* All of the functions for adding data to the server */
 129 memcached_return memcached_set(memcached_st *ptr, char *key, size_t key_length,
 130                                char *value, size_t value_length,
 131                                time_t expiration,
 132                                uint32_t  flags);
 133 memcached_return memcached_add(memcached_st *ptr, char *key, size_t key_length,
 134                                char *value, size_t value_length,
 135                                time_t expiration,
 136                                uint32_t  flags);
 137 memcached_return memcached_replace(memcached_st *ptr, char *key, size_t key_length,
 138                                    char *value, size_t value_length,
 139                                    time_t expiration,
 140                                    uint32_t  flags);
 141 memcached_return memcached_append(memcached_st *ptr,
 142                                   char *key, size_t key_length,
 143                                   char *value, size_t value_length,
 144                                   time_t expiration,
 145                                   uint32_t flags);
 146 memcached_return memcached_prepend(memcached_st *ptr,
 147                                    char *key, size_t key_length,
 148                                    char *value, size_t value_length,
 149                                    time_t expiration,
 150                                    uint32_t flags);
 151 memcached_return memcached_cas(memcached_st *ptr,
 152                                char *key, size_t key_length,
 153                                char *value, size_t value_length,
 154                                time_t expiration,
 155                                uint32_t flags,
 156                                uint64_t cas);
 157
 158 /* Get functions */
 159 char *memcached_get(memcached_st *ptr, char *key, size_t key_length,
 160                     size_t *value_length,
 161                     uint32_t *flags,
 162                     memcached_return *error);
 163 memcached_return memcached_mget(memcached_st *ptr,
 164                                 char **keys, size_t *key_length,
 165                                 unsigned int number_of_keys);
 166 char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length,
 167                       size_t *value_length, uint32_t *flags,
 168                       memcached_return *error);
 169 memcached_result_st *memcached_fetch_result(memcached_st *ptr,
 170                                             memcached_result_st *result,
 171                                             memcached_return *error);
 172
 173 /* Server Public functions */
 174
 175 memcached_return memcached_server_add_udp(memcached_st *ptr,
 176                                           char *hostname,
 177                                           unsigned int port);
 178 memcached_return memcached_server_add_unix_socket(memcached_st *ptr,
 179                                                   char *filename);
 180 memcached_return memcached_server_add(memcached_st *ptr, char *hostname,
 181                                       unsigned int port);
 182 void memcached_server_list_free(memcached_server_st *ptr);
 183 memcached_return memcached_server_push(memcached_st *ptr, memcached_server_st *list);
 184
 185 memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
 186                                              char *hostname, unsigned int port,
 187                                              memcached_return *error);
 188 unsigned int memcached_server_list_count(memcached_server_st *ptr);
 189 memcached_server_st *memcached_servers_parse(char *server_strings);
 190
 191 char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *stat,
 192                                char *key, memcached_return *error);
 193 char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *stat,
 194                                 memcached_return *error);
 195
 196 char *memcached_get_by_key(memcached_st *ptr,
 197                            char *master_key, size_t master_key_length,
 198                            char *key, size_t key_length,
 199                            size_t *value_length,
 200                            uint32_t *flags,
 201                            memcached_return *error);
 202
 203 memcached_return memcached_mget_by_key(memcached_st *ptr,
 204                                        char *master_key, size_t master_key_length,
 205                                        char **keys, size_t *key_length,
 206                                        unsigned int number_of_keys);
 207
 208 memcached_return memcached_set_by_key(memcached_st *ptr,
 209                                       char *master_key, size_t master_key_length,
 210                                       char *key, size_t key_length,
 211                                       char *value, size_t value_length,
 212                                       time_t expiration,
 213                                       uint32_t flags);
 214
 215 memcached_return memcached_add_by_key(memcached_st *ptr,
 216                                       char *master_key, size_t master_key_length,
 217                                       char *key, size_t key_length,
 218                                       char *value, size_t value_length,
 219                                       time_t expiration,
 220                                       uint32_t flags);
 221
 222 memcached_return memcached_replace_by_key(memcached_st *ptr,
 223                                           char *master_key, size_t master_key_length,
 224                                           char *key, size_t key_length,
 225                                           char *value, size_t value_length,
 226                                           time_t expiration,
 227                                           uint32_t flags);
 228
 229 memcached_return memcached_prepend_by_key(memcached_st *ptr,
 230                                           char *master_key, size_t master_key_length,
 231                                           char *key, size_t key_length,
 232                                           char *value, size_t value_length,
 233                                           time_t expiration,
 234                                           uint32_t flags);
 235
 236 memcached_return memcached_append_by_key(memcached_st *ptr,
 237                                          char *master_key, size_t master_key_length,
 238                                          char *key, size_t key_length,
 239                                          char *value, size_t value_length,
 240                                          time_t expiration,
 241                                          uint32_t flags);
 242
 243 memcached_return memcached_cas_by_key(memcached_st *ptr,
 244                                       char *master_key, size_t master_key_length,
 245                                       char *key, size_t key_length,
 246                                       char *value, size_t value_length,
 247                                       time_t expiration,
 248                                       uint32_t flags,
 249                                       uint64_t cas);
 250 memcached_return memcached_delete_by_key(memcached_st *ptr,
 251                                          char *master_key, size_t master_key_length,
 252                                          char *key, size_t key_length,
 253                                          time_t expiration);
 254
 255 memcached_return memcached_fetch_execute(memcached_st *ptr,
 256                                              unsigned int (*callback[])(memcached_st *ptr, memcached_result_st *result, void *context),
 257                                              void *context,
 258                                              unsigned int number_of_callbacks
 259                                              );
 260
 261 memcached_return memcached_callback_set(memcached_st *ptr,
 262                                         memcached_callback flag,
 263                                         void *data);
 264 void *memcached_callback_get(memcached_st *ptr,
 265                              memcached_callback flag,
 266                              memcached_return *error);
 267
 268 memcached_return memcached_server_cursor(memcached_st *ptr,
 269                                          memcached_server_function *callback,
 270                                          void *context,
 271                                          unsigned int number_of_callbacks);
 272
 273
 274 #ifdef __cplusplus
 275 }
 276 #endif
 277
 278 #endif /* __MEMCACHED_H__ */