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/parse.h>
  47 #include <libmemcached/quit.h>
  48 #include <libmemcached/result.h>
  49 #include <libmemcached/server.h>
  50 #include <libmemcached/server_list.h>
  51 #include <libmemcached/storage.h>
  52 #include <libmemcached/strerror.h>
  53 #include <libmemcached/verbosity.h>
  54 #include <libmemcached/version.h>
  55 #include <libmemcached/sasl.h>
  56
  57 struct memcached_st {
  58   /**
  59     @note these are static and should not change without a call to behavior.
  60   */
  61   struct {
  62     bool is_purging:1;
  63     bool is_processing_input:1;
  64     bool is_time_for_rebuild:1;
  65   } state;
  66   struct {
  67     // Everything below here is pretty static.
  68     bool auto_eject_hosts:1;
  69     bool binary_protocol:1;
  70     bool buffer_requests:1;
  71     bool cork:1;
  72     bool hash_with_prefix_key:1;
  73     bool ketama_weighted:1;
  74     bool no_block:1; // Don't block
  75     bool no_reply:1;
  76     bool randomize_replica_read:1;
  77     bool reuse_memory:1;
  78     bool support_cas:1;
  79     bool tcp_nodelay:1;
  80     bool use_cache_lookups:1;
  81     bool use_sort_hosts:1;
  82     bool use_udp:1;
  83     bool verify_key:1;
  84     bool tcp_keepalive: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   uint32_t tcp_keepidle;
  99   int cached_errno;
 100   int32_t poll_timeout;
 101   int32_t connect_timeout;
 102   int32_t retry_timeout;
 103   uint32_t continuum_count; // Ketama
 104   int send_size;
 105   int recv_size;
 106   void *user_data;
 107   time_t next_distribution_rebuild; // Ketama
 108   size_t prefix_key_length;
 109   uint32_t number_of_replicas;
 110   hashkit_st distribution_hashkit;
 111   memcached_result_st result;
 112   memcached_continuum_item_st *continuum; // Ketama
 113
 114   struct _allocators_st {
 115     memcached_calloc_fn calloc;
 116     memcached_free_fn free;
 117     memcached_malloc_fn malloc;
 118     memcached_realloc_fn realloc;
 119     void *context;
 120   } allocators;
 121
 122   memcached_clone_fn on_clone;
 123   memcached_cleanup_fn on_cleanup;
 124   memcached_trigger_key_fn get_key_failure;
 125   memcached_trigger_delete_key_fn delete_trigger;
 126   memcached_callback_st *callbacks;
 127   struct memcached_sasl_st *sasl;
 128   char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
 129   struct {
 130     bool is_allocated:1;
 131   } options;
 132
 133 };
 134
 135 #ifdef __cplusplus
 136 extern "C" {
 137 #endif
 138
 139 LIBMEMCACHED_API
 140 void memcached_servers_reset(memcached_st *ptr);
 141
 142 LIBMEMCACHED_API
 143 memcached_st *memcached_create(memcached_st *ptr);
 144
 145 LIBMEMCACHED_API
 146 void memcached_free(memcached_st *ptr);
 147
 148 LIBMEMCACHED_API
 149 void memcached_reset_last_disconnected_server(memcached_st *ptr);
 150
 151 LIBMEMCACHED_API
 152 memcached_st *memcached_clone(memcached_st *clone, const memcached_st *ptr);
 153
 154 LIBMEMCACHED_API
 155 void *memcached_get_user_data(const memcached_st *ptr);
 156
 157 LIBMEMCACHED_API
 158 void *memcached_set_user_data(memcached_st *ptr, void *data);
 159
 160 LIBMEMCACHED_API
 161 memcached_return_t memcached_push(memcached_st *destination, const memcached_st *source);
 162
 163 LIBMEMCACHED_API
 164 memcached_server_instance_st memcached_server_instance_by_position(const memcached_st *ptr, uint32_t server_key);
 165
 166 LIBMEMCACHED_API
 167 uint32_t memcached_server_count(const memcached_st *);
 168
 169 #ifdef __cplusplus
 170 } // extern "C"
 171 #endif
 172
 173
 174 #ifdef __cplusplus
 175 class Memcached : private memcached_st {
 176 public:
 177
 178   Memcached()
 179   {
 180     memcached_create(this);
 181   }
 182
 183   ~Memcached()
 184   {
 185     memcached_free(this);
 186   }
 187
 188   Memcached(const Memcached& source)
 189   {
 190     memcached_clone(this, &source);
 191   }
 192
 193   Memcached& operator=(const Memcached& source)
 194   {
 195     memcached_free(this);
 196     memcached_clone(this, &source);
 197
 198     return *this;
 199   }
 200 };
 201 #endif
 202
 203 #endif /* __LIBMEMCACHED_MEMCACHED_H__ */
 204