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/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _DICT_H
#define _DICT_H
#include <inttypes.h>
#include <sys/uio.h>
#include <pthread.h>
#include "common-utils.h"
#include "libglusterfs-messages.h"
typedef struct _data data_t;
typedef struct _dict dict_t;
typedef struct _data_pair data_pair_t;
#define GF_PROTOCOL_DICT_SERIALIZE(this,from_dict,to,len,ope,labl) do { \
int _ret = 0; \
\
if (!from_dict) \
break; \
\
_ret = dict_allocate_and_serialize (from_dict, to, &len);\
if (_ret < 0) { \
gf_msg (this->name, GF_LOG_WARNING, 0, \
LG_MSG_DICT_SERIAL_FAILED, \
"failed to get serialized dict (%s)", \
(#from_dict)); \
ope = EINVAL; \
goto labl; \
} \
} while (0)
#define GF_PROTOCOL_DICT_UNSERIALIZE(xl,to,buff,len,ret,ope,labl) do { \
if (!len) \
break; \
to = dict_new(); \
GF_VALIDATE_OR_GOTO (xl->name, to, labl); \
\
ret = dict_unserialize (buff, len, &to); \
if (ret < 0) { \
gf_msg (xl->name, GF_LOG_WARNING, 0, \
LG_MSG_DICT_UNSERIAL_FAILED, \
"failed to unserialize dictionary (%s)", \
(#to)); \
\
ope = EINVAL; \
goto labl; \
} \
\
} while (0)
#define DICT_KEY_VALUE_MAX_SIZE 1048576
struct _data {
unsigned char is_static:1;
unsigned char is_const:1;
int32_t len;
char *data;
gf_atomic_t refcount;
gf_lock_t lock;
};
struct _data_pair {
struct _data_pair *hash_next;
struct _data_pair *prev;
struct _data_pair *next;
data_t *value;
char *key;
uint32_t key_hash;
};
struct _dict {
unsigned char is_static:1;
int32_t hash_size;
int32_t count;
gf_atomic_t refcount;
data_pair_t **members;
data_pair_t *members_list;
char *extra_free;
char *extra_stdfree;
gf_lock_t lock;
data_pair_t *members_internal;
data_pair_t free_pair;
gf_boolean_t free_pair_in_use;
uint64_t max_count;
};
typedef gf_boolean_t (*dict_match_t) (dict_t *d, char *k, data_t *v,
void *data);
int32_t is_data_equal (data_t *one, data_t *two);
void data_destroy (data_t *data);
/* function to set a key/value pair (overwrite existing if matches the key */
int32_t dict_set (dict_t *this, char *key, data_t *value);
/* function to set a new key/value pair (without checking for duplicate) */
int32_t dict_add (dict_t *this, char *key, data_t *value);
int dict_get_with_ref (dict_t *this, char *key, data_t **data);
data_t *dict_get (dict_t *this, char *key);
void dict_del (dict_t *this, char *key);
int dict_reset (dict_t *dict);
int dict_key_count (dict_t *this);
int32_t dict_serialized_length (dict_t *dict);
int32_t dict_serialize (dict_t *dict, char *buf);
int32_t dict_unserialize (char *buf, int32_t size, dict_t **fill);
int32_t dict_allocate_and_serialize (dict_t *this, char **buf, u_int *length);
void dict_unref (dict_t *dict);
dict_t *dict_ref (dict_t *dict);
data_t *data_ref (data_t *data);
void data_unref (data_t *data);
int32_t dict_lookup (dict_t *this, char *key, data_t **data);
/*
TODO: provide converts for different byte sizes, signedness, and void *
*/
data_t *int_to_data (int64_t value);
data_t *str_to_data (char *value);
data_t *data_from_dynstr (char *value);
data_t *data_from_dynptr (void *value, int32_t len);
data_t *bin_to_data (void *value, int32_t len);
data_t *static_str_to_data (char *value);
data_t *static_bin_to_data (void *value);
int64_t data_to_int64 (data_t *data);
int32_t data_to_int32 (data_t *data);
int16_t data_to_int16 (data_t *data);
int8_t data_to_int8 (data_t *data);
uint64_t data_to_uint64 (data_t *data);
uint32_t data_to_uint32 (data_t *data);
uint16_t data_to_uint16 (data_t *data);
uint8_t data_to_uint8 (data_t *data);
data_t *data_from_int64 (int64_t value);
data_t *data_from_int32 (int32_t value);
data_t *data_from_int16 (int16_t value);
data_t *data_from_int8 (int8_t value);
data_t *data_from_uint64 (uint64_t value);
data_t *data_from_uint32 (uint32_t value);
data_t *data_from_uint16 (uint16_t value);
char *data_to_str (data_t *data);
void *data_to_bin (data_t *data);
void *data_to_ptr (data_t *data);
data_t * data_copy (data_t *old);
int dict_foreach (dict_t *this,
int (*fn)(dict_t *this,
char *key,
data_t *value,
void *data),
void *data);
int dict_foreach_fnmatch (dict_t *dict, char *pattern,
int (*fn)(dict_t *this,
char *key,
data_t *value,
void *data),
void *data);
int
dict_foreach_match (dict_t *dict,
gf_boolean_t (*match)(dict_t *this,
char *key,
data_t *value,
void *mdata),
void *match_data,
int (*action)(dict_t *this,
char *key,
data_t *value,
void *adata),
void *action_data);
int dict_null_foreach_fn (dict_t *d, char *k,
data_t *v, void *tmp);
int dict_remove_foreach_fn (dict_t *d, char *k,
data_t *v, void *tmp);
dict_t *dict_copy (dict_t *this, dict_t *new);
dict_t *get_new_dict (void);
int dict_keys_join (void *value, int size, dict_t *dict,
int (*filter_fn)(char *key));
/* CLEANED UP FUNCTIONS DECLARATIONS */
GF_MUST_CHECK dict_t *dict_new (void);
dict_t *dict_copy_with_ref (dict_t *this, dict_t *new);
GF_MUST_CHECK int dict_reset (dict_t *dict);
GF_MUST_CHECK int dict_get_int8 (dict_t *this, char *key, int8_t *val);
GF_MUST_CHECK int dict_set_int8 (dict_t *this, char *key, int8_t val);
GF_MUST_CHECK int dict_get_int16 (dict_t *this, char *key, int16_t *val);
GF_MUST_CHECK int dict_set_int16 (dict_t *this, char *key, int16_t val);
GF_MUST_CHECK int dict_get_int32 (dict_t *this, char *key, int32_t *val);
GF_MUST_CHECK int dict_set_int32 (dict_t *this, char *key, int32_t val);
GF_MUST_CHECK int dict_get_int64 (dict_t *this, char *key, int64_t *val);
GF_MUST_CHECK int dict_set_int64 (dict_t *this, char *key, int64_t val);
GF_MUST_CHECK int dict_get_uint16 (dict_t *this, char *key, uint16_t *val);
GF_MUST_CHECK int dict_set_uint16 (dict_t *this, char *key, uint16_t val);
GF_MUST_CHECK int dict_get_uint32 (dict_t *this, char *key, uint32_t *val);
GF_MUST_CHECK int dict_set_uint32 (dict_t *this, char *key, uint32_t val);
GF_MUST_CHECK int dict_get_uint64 (dict_t *this, char *key, uint64_t *val);
GF_MUST_CHECK int dict_set_uint64 (dict_t *this, char *key, uint64_t val);
GF_MUST_CHECK int dict_get_double (dict_t *this, char *key, double *val);
GF_MUST_CHECK int dict_set_double (dict_t *this, char *key, double val);
GF_MUST_CHECK int dict_set_static_ptr (dict_t *this, char *key, void *ptr);
GF_MUST_CHECK int dict_get_ptr (dict_t *this, char *key, void **ptr);
GF_MUST_CHECK int dict_get_ptr_and_len (dict_t *this, char *key, void **ptr, int *len);
GF_MUST_CHECK int dict_set_ptr (dict_t *this, char *key, void *ptr);
GF_MUST_CHECK int dict_set_dynptr (dict_t *this, char *key, void *ptr, size_t size);
GF_MUST_CHECK int dict_get_bin (dict_t *this, char *key, void **ptr);
GF_MUST_CHECK int dict_set_bin (dict_t *this, char *key, void *ptr, size_t size);
GF_MUST_CHECK int dict_set_static_bin (dict_t *this, char *key, void *ptr, size_t size);
GF_MUST_CHECK int dict_set_str (dict_t *this, char *key, char *str);
GF_MUST_CHECK int dict_set_dynstr (dict_t *this, char *key, char *str);
GF_MUST_CHECK int dict_set_dynstr_with_alloc (dict_t *this, char *key, const char *str);
GF_MUST_CHECK int dict_add_dynstr_with_alloc (dict_t *this, char *key, char *str);
GF_MUST_CHECK int dict_get_str (dict_t *this, char *key, char **str);
GF_MUST_CHECK int dict_get_str_boolean (dict_t *this, char *key, int default_val);
GF_MUST_CHECK int dict_rename_key (dict_t *this, char *key, char *replace_key);
GF_MUST_CHECK int dict_serialize_value_with_delim (dict_t *this, char *buf, int32_t *serz_len,
char delimiter);
void
dict_dump_to_statedump (dict_t *dict, char *dict_name, char *domain);
void
dict_dump_to_log (dict_t *dict);
int
dict_dump_to_str (dict_t *dict, char *dump, int dumpsize, char *format);
gf_boolean_t
dict_match_everything (dict_t *d, char *k, data_t *v, void *data);
dict_t *
dict_for_key_value (const char *name, const char *value, size_t size,
gf_boolean_t is_static);
gf_boolean_t
are_dicts_equal (dict_t *one, dict_t *two,
gf_boolean_t (*match) (dict_t *d, char *k, data_t *v,
void *data),
gf_boolean_t (*value_ignore) (char *k));
int
dict_has_key_from_array (dict_t *dict, char **strings, gf_boolean_t *result);
#endif
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