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dns_cache: separate DNS cache

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This commit is contained in:
Nick Peng
2022-11-17 23:51:15 +08:00
parent 324aa2d77d
commit 04985216a8
4 changed files with 152 additions and 112 deletions
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41
src/dns_cache.h
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@@ -21,6 +21,7 @@
#include "atomic.h"
#include "dns.h"
#include "dns_conf.h"
#include "hash.h"
#include "hashtable.h"
#include "list.h"
@@ -48,15 +49,8 @@ enum CACHE_RECORD_TYPE {
CACHE_RECORD_TYPE_INACTIVE,
};
struct dns_cache_query_option {
uint32_t query_flag;
const char *dns_group_name;
};
struct dns_cache_data_head {
enum CACHE_TYPE cache_type;
uint32_t query_flag;
char dns_group_name[DNS_CACHE_GROUP_NAME_LEN];
int is_soa;
ssize_t size;
};
@@ -87,13 +81,15 @@ struct dns_cache_packet {
struct dns_cache_info {
char domain[DNS_MAX_CNAME_LEN];
dns_type_t qtype;
char dns_group_name[DNS_GROUP_NAME_LEN];
uint32_t query_flag;
int ttl;
int hitnum;
int speed;
int hitnum_update_add;
time_t insert_time;
time_t replace_time;
dns_type_t qtype;
};
struct dns_cache_record {
@@ -120,26 +116,32 @@ struct dns_cache_file {
uint32_t cache_number;
};
struct dns_cache_key {
const char *domain;
dns_type_t qtype;
const char *dns_group_name;
uint32_t query_flag;
};
enum CACHE_TYPE dns_cache_data_type(struct dns_cache_data *cache_data);
uint32_t dns_cache_get_query_flag(struct dns_cache_data *cache_data);
uint32_t dns_cache_get_query_flag(struct dns_cache *dns_cache);
const char *dns_cache_get_dns_group_name(struct dns_cache_data *cache_data);
const char *dns_cache_get_dns_group_name(struct dns_cache *dns_cache);
void dns_cache_data_free(struct dns_cache_data *data);
struct dns_cache_data *dns_cache_new_data_packet(struct dns_cache_query_option *query_option, void *packet,
size_t packet_len);
struct dns_cache_data *dns_cache_new_data_packet(void *packet, size_t packet_len);
int dns_cache_init(int size, int enable_inactive, int inactive_list_expired);
int dns_cache_replace(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
int dns_cache_replace(struct dns_cache_key *key, int ttl, int speed, struct dns_cache_data *cache_data);
int dns_cache_replace_inactive(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
int dns_cache_replace_inactive(struct dns_cache_key *key, int ttl, int speed, struct dns_cache_data *cache_data);
int dns_cache_insert(char *domain, int ttl, dns_type_t qtype, int speed, struct dns_cache_data *cache_data);
int dns_cache_insert(struct dns_cache_key *key, int ttl, int speed, struct dns_cache_data *cache_data);
struct dns_cache *dns_cache_lookup(char *domain, dns_type_t qtype);
struct dns_cache *dns_cache_lookup(struct dns_cache_key *key);
void dns_cache_delete(struct dns_cache *dns_cache);
@@ -166,11 +168,10 @@ struct dns_cache_data *dns_cache_new_data(void);
struct dns_cache_data *dns_cache_get_data(struct dns_cache *dns_cache);
void dns_cache_set_data_addr(struct dns_cache_data *dns_cache, struct dns_cache_query_option *query_option, char *cname,
int cname_ttl, unsigned char *addr, int addr_len);
void dns_cache_set_data_addr(struct dns_cache_data *dns_cache, char *cname, int cname_ttl, unsigned char *addr,
int addr_len);
void dns_cache_set_data_soa(struct dns_cache_data *dns_cache, struct dns_cache_query_option *query_option, char *cname,
int cname_ttl);
void dns_cache_set_data_soa(struct dns_cache_data *dns_cache, char *cname, int cname_ttl);
void dns_cache_destroy(void);