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_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 };
  99
 100
 101 /* Public API */
 102 const char * memcached_lib_version(void);
 103
 104 memcached_st *memcached_create(memcached_st *ptr);
 105 void memcached_free(memcached_st *ptr);
 106 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr);
 107
 108 memcached_return memcached_delete(memcached_st *ptr, const char *key, size_t key_length,
 109                                   time_t expiration);
 110 memcached_return memcached_increment(memcached_st *ptr,
 111                                      const char *key, size_t key_length,
 112                                      uint32_t offset,
 113                                      uint64_t *value);
 114 memcached_return memcached_decrement(memcached_st *ptr,
 115                                      const char *key, size_t key_length,
 116                                      uint32_t offset,
 117                                      uint64_t *value);
 118 void memcached_stat_free(memcached_st *, memcached_stat_st *);
 119 memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return *error);
 120 memcached_return memcached_stat_servername(memcached_stat_st *stat, char *args,
 121                                            char *hostname, unsigned int port);
 122 memcached_return memcached_flush(memcached_st *ptr, time_t expiration);
 123 memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
 124 void memcached_quit(memcached_st *ptr);
 125 char *memcached_strerror(memcached_st *ptr, memcached_return rc);
 126 memcached_return memcached_behavior_set(memcached_st *ptr, memcached_behavior flag, uint64_t data);
 127 uint64_t memcached_behavior_get(memcached_st *ptr, memcached_behavior flag);
 128
 129 /* Server Public functions */
 130
 131 memcached_return memcached_server_add_udp(memcached_st *ptr,
 132                                           char *hostname,
 133                                           unsigned int port);
 134 memcached_return memcached_server_add_unix_socket(memcached_st *ptr,
 135                                                   char *filename);
 136 memcached_return memcached_server_add(memcached_st *ptr, char *hostname,
 137                                       unsigned int port);
 138 void memcached_server_list_free(memcached_server_st *ptr);
 139 memcached_return memcached_server_push(memcached_st *ptr, memcached_server_st *list);
 140
 141 memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
 142                                              char *hostname, unsigned int port,
 143                                              memcached_return *error);
 144 unsigned int memcached_server_list_count(memcached_server_st *ptr);
 145 memcached_server_st *memcached_servers_parse(char *server_strings);
 146
 147 char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *stat,
 148                                char *key, memcached_return *error);
 149 char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *stat,
 150                                 memcached_return *error);
 151
 152 memcached_return memcached_delete_by_key(memcached_st *ptr,
 153                                          const char *master_key, size_t master_key_length,
 154                                          const char *key, size_t key_length,
 155                                          time_t expiration);
 156
 157 memcached_return memcached_fetch_execute(memcached_st *ptr,
 158                                              memcached_execute_function *callback,
 159                                              void *context,
 160                                              unsigned int number_of_callbacks);
 161
 162 memcached_return memcached_callback_set(memcached_st *ptr,
 163                                         memcached_callback flag,
 164                                         void *data);
 165 void *memcached_callback_get(memcached_st *ptr,
 166                              memcached_callback flag,
 167                              memcached_return *error);
 168
 169 memcached_return memcached_server_cursor(memcached_st *ptr,
 170                                          memcached_server_function *callback,
 171                                          void *context,
 172                                          unsigned int number_of_callbacks);
 173
 174
 175 #ifdef __cplusplus
 176 }
 177 #endif
 178
 179 #include <libmemcached/memcached_storage.h>
 180
 181 #endif /* __MEMCACHED_H__ */