git.m6w6.name Git - awesomized/libmemcached/blob - 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 __LIBMEMCACHED_MEMCACHED_H__
  14 #define __LIBMEMCACHED_MEMCACHED_H__
  15
  16 #include <inttypes.h>
  17 #include <stdlib.h>
  18 #include <sys/types.h>
  19
  20
  21 #if !defined(__cplusplus)
  22 # include <stdbool.h>
  23 #endif
  24
  25 #include <libmemcached/visibility.h>
  26 #include <libmemcached/configure.h>
  27 #include <libmemcached/platform.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/options.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>
  57
  58 struct memcached_st {
  59   /**
  60     @note these are static and should not change without a call to behavior.
  61   */
  62   struct {
  63     bool is_purging:1;
  64     bool is_processing_input:1;
  65     bool is_time_for_rebuild: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; // Don't block
  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     bool tcp_keepalive:1;
  86     bool load_from_file:1;
  87   } flags;
  88   memcached_server_distribution_t distribution;
  89   hashkit_st hashkit;
  90   uint32_t continuum_points_counter; // Ketama
  91   uint32_t number_of_hosts;
  92   memcached_server_st *servers;
  93   memcached_server_st *last_disconnected_server;
  94   int32_t snd_timeout;
  95   int32_t rcv_timeout;
  96   uint32_t server_failure_limit;
  97   uint32_t io_msg_watermark;
  98   uint32_t io_bytes_watermark;
  99   uint32_t io_key_prefetch;
 100   uint32_t tcp_keepidle;
 101   int cached_errno;
 102   int32_t poll_timeout;
 103   int32_t connect_timeout;
 104   int32_t retry_timeout;
 105   uint32_t continuum_count; // Ketama
 106   int send_size;
 107   int recv_size;
 108   void *user_data;
 109   time_t next_distribution_rebuild; // Ketama
 110   size_t prefix_key_length;
 111   uint32_t number_of_replicas;
 112   hashkit_st distribution_hashkit;
 113   memcached_result_st result;
 114   memcached_continuum_item_st *continuum; // Ketama
 115
 116   struct _allocators_st {
 117     memcached_calloc_fn calloc;
 118     memcached_free_fn free;
 119     memcached_malloc_fn malloc;
 120     memcached_realloc_fn realloc;
 121     void *context;
 122   } allocators;
 123
 124   memcached_clone_fn on_clone;
 125   memcached_cleanup_fn on_cleanup;
 126   memcached_trigger_key_fn get_key_failure;
 127   memcached_trigger_delete_key_fn delete_trigger;
 128   memcached_callback_st *callbacks;
 129   struct memcached_sasl_st sasl;
 130   char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
 131   struct {
 132     bool is_allocated:1;
 133   } options;
 134
 135 };
 136
 137 #ifdef __cplusplus
 138 extern "C" {
 139 #endif
 140
 141 LIBMEMCACHED_API
 142 void memcached_servers_reset(memcached_st *ptr);
 143
 144 LIBMEMCACHED_API
 145 memcached_st *memcached_create(memcached_st *ptr);
 146
 147 LIBMEMCACHED_API
 148 void memcached_free(memcached_st *ptr);
 149
 150 LIBMEMCACHED_API
 151 void memcached_reset_last_disconnected_server(memcached_st *ptr);
 152
 153 LIBMEMCACHED_API
 154 memcached_st *memcached_clone(memcached_st *clone, const memcached_st *ptr);
 155
 156 LIBMEMCACHED_API
 157 void *memcached_get_user_data(const memcached_st *ptr);
 158
 159 LIBMEMCACHED_API
 160 void *memcached_set_user_data(memcached_st *ptr, void *data);
 161
 162 LIBMEMCACHED_API
 163 memcached_return_t memcached_push(memcached_st *destination, const memcached_st *source);
 164
 165 LIBMEMCACHED_API
 166 memcached_server_instance_st memcached_server_instance_by_position(const memcached_st *ptr, uint32_t server_key);
 167
 168 LIBMEMCACHED_API
 169 uint32_t memcached_server_count(const memcached_st *);
 170
 171 #ifdef __cplusplus
 172 } // extern "C"
 173 #endif
 174
 175
 176 #ifdef __cplusplus
 177 class Memcached : private memcached_st {
 178 public:
 179
 180   Memcached()
 181   {
 182     memcached_create(this);
 183   }
 184
 185   ~Memcached()
 186   {
 187     memcached_free(this);
 188   }
 189
 190   Memcached(const Memcached& source)
 191   {
 192     memcached_clone(this, &source);
 193   }
 194
 195   Memcached& operator=(const Memcached& source)
 196   {
 197     memcached_free(this);
 198     memcached_clone(this, &source);
 199
 200     return *this;
 201   }
 202 };
 203 #endif
 204
 205 #endif /* __LIBMEMCACHED_MEMCACHED_H__ */
 206