blob: 575f2827105c443644bfe6349769383bab58db47 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#include <pthread.h>
#include "web_buffer.h"
#include "avl.h"
#ifndef NETDATA_DICTIONARY_H
#define NETDATA_DICTIONARY_H 1
typedef struct name_value {
avl avl; // the index - this has to be first!
uint32_t hash; // a simple hash to speed up searching
// we first compare hashes, and only if the hashes are equal we do string comparisons
char *name;
void *value;
} NAME_VALUE;
typedef struct dictionary {
avl_tree values_index;
uint8_t flags;
unsigned long long inserts;
unsigned long long deletes;
unsigned long long searches;
unsigned long long entries;
pthread_rwlock_t rwlock;
} DICTIONARY;
#define DICTIONARY_FLAG_DEFAULT 0x00000000
#define DICTIONARY_FLAG_SINGLE_THREADED 0x00000001
#define DICTIONARY_FLAG_VALUE_LINK_DONT_CLONE 0x00000002
#define DICTIONARY_FLAG_NAME_LINK_DONT_CLONE 0x00000004
extern DICTIONARY *dictionary_create(uint32_t flags);
extern void dictionary_destroy(DICTIONARY *dict);
extern void *dictionary_set(DICTIONARY *dict, const char *name, void *value, size_t value_len);
extern void *dictionary_get(DICTIONARY *dict, const char *name);
extern int dictionary_del(DICTIONARY *dict, const char *name);
extern int dictionary_get_all(DICTIONARY *dict, int (*callback)(void *entry, void *data), void *data);
#endif /* NETDATA_DICTIONARY_H */
|
