*
*/
-#ifndef __MEMCACHED_H__
-#define __MEMCACHED_H__
+#ifndef __LIBMEMCACHED_MEMCACHED_H__
+#define __LIBMEMCACHED_MEMCACHED_H__
#include <stdlib.h>
#include <inttypes.h>
#include <netinet/in.h>
#include <libmemcached/visibility.h>
-#include <libmemcached/memcached_configure.h>
+#include <libmemcached/configure.h>
#include <libmemcached/constants.h>
#include <libmemcached/types.h>
#include <libmemcached/string.h>
+#include <libmemcached/stats.h>
+#include <libhashkit/hashkit.h>
// Everything above this line must be in the order specified.
+#include <libmemcached/allocators.h>
+#include <libmemcached/analyze.h>
+#include <libmemcached/auto.h>
#include <libmemcached/behavior.h>
#include <libmemcached/callback.h>
+#include <libmemcached/delete.h>
+#include <libmemcached/dump.h>
+#include <libmemcached/fetch.h>
+#include <libmemcached/flush.h>
+#include <libmemcached/flush_buffers.h>
#include <libmemcached/get.h>
+#include <libmemcached/hash.h>
+#include <libmemcached/parse.h>
+#include <libmemcached/quit.h>
#include <libmemcached/result.h>
#include <libmemcached/server.h>
#include <libmemcached/storage.h>
+#include <libmemcached/strerror.h>
+#include <libmemcached/verbosity.h>
+#include <libmemcached/version.h>
#ifdef __cplusplus
extern "C" {
#endif
-#define MEMCACHED_VERSION_STRING_LENGTH 24
+LIBMEMCACHED_API
+void memcached_servers_reset(memcached_st *ptr);
-struct memcached_analysis_st {
- uint32_t average_item_size;
- uint32_t longest_uptime;
- uint32_t least_free_server;
- uint32_t most_consumed_server;
- uint32_t oldest_server;
- double pool_hit_ratio;
- uint64_t most_used_bytes;
- uint64_t least_remaining_bytes;
-};
+LIBMEMCACHED_API
+memcached_st *memcached_create(memcached_st *ptr);
+
+LIBMEMCACHED_API
+void memcached_free(memcached_st *ptr);
+
+LIBMEMCACHED_API
+memcached_st *memcached_clone(memcached_st *clone, const memcached_st *ptr);
+
+LIBMEMCACHED_API
+void *memcached_get_user_data(const memcached_st *ptr);
+
+LIBMEMCACHED_API
+void *memcached_set_user_data(memcached_st *ptr, void *data);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
-struct memcached_stat_st {
- uint32_t connection_structures;
- uint32_t curr_connections;
- uint32_t curr_items;
- uint32_t pid;
- uint32_t pointer_size;
- uint32_t rusage_system_microseconds;
- uint32_t rusage_system_seconds;
- uint32_t rusage_user_microseconds;
- uint32_t rusage_user_seconds;
- uint32_t threads;
- uint32_t time;
- uint32_t total_connections;
- uint32_t total_items;
- uint32_t uptime;
- uint64_t bytes;
- uint64_t bytes_read;
- uint64_t bytes_written;
- uint64_t cmd_get;
- uint64_t cmd_set;
- uint64_t evictions;
- uint64_t get_hits;
- uint64_t get_misses;
- uint64_t limit_maxbytes;
- char version[MEMCACHED_VERSION_STRING_LENGTH];
-};
struct memcached_st {
+ /**
+ @note these are static and should not change without a call to behavior.
+ */
struct {
- bool is_allocated:1;
- bool is_initialized:1;
bool is_purging:1;
- } options;
+ bool is_processing_input:1;
+ } state;
+ struct {
+ // Everything below here is pretty static.
+ bool auto_eject_hosts:1;
+ bool binary_protocol:1;
+ bool buffer_requests:1;
+ bool cork:1;
+ bool hash_with_prefix_key:1;
+ bool ketama_weighted:1;
+ bool no_block:1;
+ bool no_reply:1;
+ bool randomize_replica_read:1;
+ bool reuse_memory:1;
+ bool support_cas:1;
+ bool tcp_nodelay:1;
+ bool use_cache_lookups:1;
+ bool use_sort_hosts:1;
+ bool use_udp:1;
+ bool verify_key:1;
+ } flags;
memcached_server_distribution_t distribution;
- memcached_hash_t hash;
- uint32_t continuum_points_counter;
- memcached_server_st *hosts;
+ hashkit_st hashkit;
+ uint32_t continuum_points_counter; // Ketama
+ uint32_t number_of_hosts;
+ memcached_server_st *servers;
memcached_server_st *last_disconnected_server;
int32_t snd_timeout;
int32_t rcv_timeout;
uint32_t io_msg_watermark;
uint32_t io_bytes_watermark;
uint32_t io_key_prefetch;
- uint32_t number_of_hosts;
- uint32_t cursor_server;
int cached_errno;
- struct {
- bool no_block:1;
- bool tcp_nodelay:1;
- bool reuse_memory:1;
- bool use_md5:1;
- bool use_crc:1;
- bool use_cache_lookups:1;
- bool support_cas:1;
- bool buffer_requests:1;
- bool use_sort_hosts:1;
- bool verify_key:1;
- bool ketama_weighted:1;
- bool binary_protocol:1;
- bool hash_with_prefix_key:1;
- bool no_reply:1;
- bool use_udp:1;
- bool auto_eject_hosts:1;
- bool randomize_replica_read:1;
- } flags;
int32_t poll_timeout;
int32_t connect_timeout;
int32_t retry_timeout;
- uint32_t continuum_count;
+ uint32_t continuum_count; // Ketama
int send_size;
int recv_size;
void *user_data;
- time_t next_distribution_rebuild;
+ time_t next_distribution_rebuild; // Ketama
size_t prefix_key_length;
- memcached_hash_t distribution_hash;
+ uint32_t number_of_replicas;
+ hashkit_st distribution_hashkit;
memcached_result_st result;
- memcached_continuum_item_st *continuum;
+ memcached_continuum_item_st *continuum; // Ketama
+
+ struct _allocators_st {
+ memcached_calloc_fn calloc;
+ memcached_free_fn free;
+ memcached_malloc_fn malloc;
+ memcached_realloc_fn realloc;
+ void *context;
+ } allocators;
+
memcached_clone_fn on_clone;
memcached_cleanup_fn on_cleanup;
- memcached_free_fn call_free;
- memcached_malloc_fn call_malloc;
- memcached_realloc_fn call_realloc;
- memcached_calloc_fn call_calloc;
memcached_trigger_key_fn get_key_failure;
memcached_trigger_delete_key_fn delete_trigger;
- char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
- uint32_t number_of_replicas;
memcached_callback_st *callbacks;
-};
-
-LIBMEMCACHED_API
-memcached_return_t memcached_version(memcached_st *ptr);
-
-/* Public API */
-
-LIBMEMCACHED_API
-const char * memcached_lib_version(void);
-
-LIBMEMCACHED_API
-memcached_st *memcached_create(memcached_st *ptr);
-LIBMEMCACHED_API
-void memcached_free(memcached_st *ptr);
-LIBMEMCACHED_API
-memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_delete(memcached_st *ptr, const char *key, size_t key_length,
- time_t expiration);
-LIBMEMCACHED_API
-memcached_return_t memcached_increment(memcached_st *ptr,
- const char *key, size_t key_length,
- uint32_t offset,
- uint64_t *value);
-LIBMEMCACHED_API
-memcached_return_t memcached_decrement(memcached_st *ptr,
- const char *key, size_t key_length,
- uint32_t offset,
- uint64_t *value);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_increment_by_key(memcached_st *ptr,
- const char *master_key, size_t master_key_length,
- const char *key, size_t key_length,
- uint64_t offset,
- uint64_t *value);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_decrement_by_key(memcached_st *ptr,
- const char *master_key, size_t master_key_length,
- const char *key, size_t key_length,
- uint64_t offset,
- uint64_t *value);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_increment_with_initial(memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-LIBMEMCACHED_API
-memcached_return_t memcached_decrement_with_initial(memcached_st *ptr,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-LIBMEMCACHED_API
-memcached_return_t memcached_increment_with_initial_by_key(memcached_st *ptr,
- const char *master_key,
- size_t master_key_length,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-LIBMEMCACHED_API
-memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *ptr,
- const char *master_key,
- size_t master_key_length,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value);
-LIBMEMCACHED_API
-void memcached_stat_free(memcached_st *, memcached_stat_st *);
-
-LIBMEMCACHED_API
-memcached_stat_st *memcached_stat(memcached_st *ptr, char *args, memcached_return_t *error);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_stat_servername(memcached_stat_st *memc_stat, char *args,
- const char *hostname, in_port_t port);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_flush(memcached_st *ptr, time_t expiration);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_verbosity(memcached_st *ptr, unsigned int verbosity);
-
-LIBMEMCACHED_API
-void memcached_quit(memcached_st *ptr);
-
-LIBMEMCACHED_API
-const char *memcached_strerror(memcached_st *ptr, memcached_return_t rc);
-
-/* The two public hash bits */
-LIBMEMCACHED_API
-uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memcached_hash_t hash_algorithm);
-
-LIBMEMCACHED_API
-uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_length);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_flush_buffers(memcached_st *mem);
-
-/* Server Public functions */
-
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add_udp(memcached_st *ptr,
- const char *hostname,
- in_port_t port);
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add_unix_socket(memcached_st *ptr,
- const char *filename);
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add(memcached_st *ptr,
- const char *hostname, in_port_t port);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add_udp_with_weight(memcached_st *ptr,
- const char *hostname,
- in_port_t port,
- uint32_t weight);
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add_unix_socket_with_weight(memcached_st *ptr,
- const char *filename,
- uint32_t weight);
-LIBMEMCACHED_API
-memcached_return_t memcached_server_add_with_weight(memcached_st *ptr, const char *hostname,
- in_port_t port,
- uint32_t weight);
-LIBMEMCACHED_API
-void memcached_server_list_free(memcached_server_st *ptr);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st *list);
-
-LIBMEMCACHED_API
-memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
- const char *hostname,
- in_port_t port,
- memcached_return_t *error);
-LIBMEMCACHED_API
-memcached_server_st *memcached_server_list_append_with_weight(memcached_server_st *ptr,
- const char *hostname,
- in_port_t port,
- uint32_t weight,
- memcached_return_t *error);
-LIBMEMCACHED_API
-unsigned int memcached_server_list_count(memcached_server_st *ptr);
-
-LIBMEMCACHED_API
-memcached_server_st *memcached_servers_parse(const char *server_strings);
-
-LIBMEMCACHED_API
-char *memcached_stat_get_value(memcached_st *ptr, memcached_stat_st *memc_stat,
- const char *key, memcached_return_t *error);
-LIBMEMCACHED_API
-char ** memcached_stat_get_keys(memcached_st *ptr, memcached_stat_st *memc_stat,
- memcached_return_t *error);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_delete_by_key(memcached_st *ptr,
- const char *master_key, size_t master_key_length,
- const char *key, size_t key_length,
- time_t expiration);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_fetch_execute(memcached_st *ptr,
- memcached_execute_fn *callback,
- void *context,
- unsigned int number_of_callbacks);
-
-LIBMEMCACHED_API
-memcached_return_t memcached_dump(memcached_st *ptr, memcached_dump_fn *function, void *context, uint32_t number_of_callbacks);
-
-
-LIBMEMCACHED_API
-memcached_return_t memcached_set_memory_allocators(memcached_st *ptr,
- memcached_malloc_fn mem_malloc,
- memcached_free_fn mem_free,
- memcached_realloc_fn mem_realloc,
- memcached_calloc_fn mem_calloc);
-
-LIBMEMCACHED_API
-void memcached_get_memory_allocators(memcached_st *ptr,
- memcached_malloc_fn *mem_malloc,
- memcached_free_fn *mem_free,
- memcached_realloc_fn *mem_realloc,
- memcached_calloc_fn *mem_calloc);
+ char prefix_key[MEMCACHED_PREFIX_KEY_MAX_SIZE];
+ struct {
+ bool is_allocated:1;
+ } options;
-LIBMEMCACHED_API
-void *memcached_get_user_data(memcached_st *ptr);
-LIBMEMCACHED_API
-void *memcached_set_user_data(memcached_st *ptr, void *data);
+#ifdef __cplusplus
+ memcached_st() :
+ state(),
+ flags(),
+ distribution(),
+ hashkit(),
+ continuum_points_counter(),
+ number_of_hosts(),
+ servers(),
+ last_disconnected_server(),
+ snd_timeout(),
+ rcv_timeout(),
+ server_failure_limit(),
+ io_msg_watermark(),
+ io_bytes_watermark(),
+ io_key_prefetch(),
+ cached_errno(),
+ poll_timeout(),
+ connect_timeout(),
+ retry_timeout(),
+ continuum_count(),
+ send_size(),
+ recv_size(),
+ user_data(),
+ next_distribution_rebuild(),
+ prefix_key_length(),
+ number_of_replicas(),
+ distribution_hashkit(),
+ result(),
+ continuum(),
+ allocators(),
+ on_clone(),
+ on_cleanup(),
+ get_key_failure(),
+ delete_trigger(),
+ callbacks(),
+ prefix_key(),
+ options()
+ {
+ memcached_create(this);
+ }
+
+ ~memcached_st()
+ {
+ memcached_free(this);
+ }
+
+ memcached_st(const memcached_st& source) :
+ state(),
+ flags(),
+ distribution(),
+ hashkit(),
+ continuum_points_counter(),
+ number_of_hosts(),
+ servers(),
+ last_disconnected_server(),
+ snd_timeout(),
+ rcv_timeout(),
+ server_failure_limit(),
+ io_msg_watermark(),
+ io_bytes_watermark(),
+ io_key_prefetch(),
+ cached_errno(),
+ poll_timeout(),
+ connect_timeout(),
+ retry_timeout(),
+ continuum_count(),
+ send_size(),
+ recv_size(),
+ user_data(),
+ next_distribution_rebuild(),
+ prefix_key_length(),
+ number_of_replicas(),
+ distribution_hashkit(),
+ result(),
+ continuum(),
+ allocators(),
+ on_clone(),
+ on_cleanup(),
+ get_key_failure(),
+ delete_trigger(),
+ callbacks(),
+ prefix_key(),
+ options()
+ {
+ memcached_clone(this, &source);
+ }
+
+ memcached_st& operator=(const memcached_st& source)
+ {
+ memcached_free(this);
+ memcached_clone(this, &source);
+
+ return *this;
+ }
-LIBMEMCACHED_LOCAL
-memcached_return_t run_distribution(memcached_st *ptr);
+#endif
+};
-#define memcached_is_allocated(__object) ((__object)->options.is_allocated)
-#define memcached_is_initialized(__object) ((__object)->options.is_initialized)
-#ifdef __cplusplus
+// Local Only Inline
+static inline memcached_server_st *memcached_server_instance_fetch(memcached_st *ptr, uint32_t server_key)
+{
+ return &ptr->servers[server_key];
}
-#endif
-
-#endif /* __MEMCACHED_H__ */
+#endif /* __LIBMEMCACHED_MEMCACHED_H__ */