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MINOR: dns: new DNS structures to store received packets

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struct dns_query_item: describes a DNS query record

struct dns_answer_item: describes a DNS answer record

struct dns_response_packet: describes a DNS response packet
This commit is contained in:
Baptiste Assmann 2015-07-21 15:36:24 +02:00 committed by Willy Tarreau
parent ed97c95331
commit 5748f73ff8
1 changed files with 30 additions and 0 deletions
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30
include/types/dns.h
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@ -89,6 +89,36 @@ struct dns_question {
unsigned short qclass; /* query class */
};
struct dns_query_item {
struct list list;
char name[DNS_MAX_NAME_SIZE]; /* query name */
unsigned short type; /* question type */
unsigned short class; /* query class */
};
struct dns_answer_item {
struct list list;
char *name; /* answer name
* For SRV type, name also includes service
* and protocol value */
int16_t type; /* question type */
int16_t class; /* query class */
int32_t ttl; /* response TTL */
int16_t priority; /* SRV type priority */
int16_t weight; /* SRV type weight */
int16_t port; /* SRV type port */
int16_t data_len; /* number of bytes in target below */
struct sockaddr address; /* IPv4 or IPv6, network format */
char *target; /* Response data: SRV or CNAME type target */
};
struct dns_response_packet {
struct dns_header header;
struct list query_list;
struct list answer_list;
/* authority and additional_information ignored for now */
};
/*
* resolvers section and parameters. It is linked to the name servers
* servers points to it.