dns_request Struct Reference

A DNS request. More...

Data Fields
struct refcnt	refcnt
	Reference counter.
struct interface	resolv
	Name resolution interface.
struct interface	socket
	Data transfer interface.
struct retry_timer	timer
	Retry timer.
union {
struct sockaddr   sa
struct sockaddr_in   sin
struct sockaddr_in6   sin6
}	address
	Socket address to fill in with resolved address.
uint16_t	qtype
	Initial query type.
struct {
struct dns_header   query
	Query header. More...
char   name [DNS_MAX_NAME_LEN]
	Name buffer. More...
struct dns_question   padding
	Space for question. More...
}	buf
	Buffer for current query.
struct dns_name	name
	Current query name.
struct dns_question *	question
	Question within current query.
size_t	len
	Length of current query.
size_t	offset
	Offset of search suffix within current query.
struct dns_name	search
	Search list.
unsigned int	index
	Server index.
unsigned int	recursion
	Recursion counter.

Detailed Description

A DNS request.

Definition at line 453 of file dns.c.

Field Documentation

refcnt

struct refcnt dns_request::refcnt

Reference counter.

Definition at line 455 of file dns.c.

Referenced by dns_resolv().

resolv

struct interface dns_request::resolv

Name resolution interface.

Definition at line 457 of file dns.c.

Referenced by dns_done(), dns_resolv(), and dns_resolved().

socket

struct interface dns_request::socket

Data transfer interface.

Definition at line 459 of file dns.c.

Referenced by dns_done(), dns_resolv(), and dns_send_packet().

timer

struct retry_timer dns_request::timer

Retry timer.

Definition at line 461 of file dns.c.

Referenced by dns_done(), dns_resolv(), and dns_send_packet().

sa

struct sockaddr dns_request::sa

Definition at line 465 of file dns.c.

Referenced by dns_resolv(), and dns_resolved().

sin

struct sockaddr_in dns_request::sin

Definition at line 466 of file dns.c.

Referenced by dns_xfer_deliver().

sin6

struct sockaddr_in6 dns_request::sin6

Definition at line 467 of file dns.c.

Referenced by dns_xfer_deliver().

[union]

union { ... } dns_request::address

Socket address to fill in with resolved address.

Referenced by dns_resolv(), dns_resolved(), and dns_xfer_deliver().

qtype

uint16_t dns_request::qtype

Initial query type.

Definition at line 470 of file dns.c.

Referenced by dns_question(), and dns_resolv().

query

struct dns_header dns_request::query

Query header.

Definition at line 474 of file dns.c.

Referenced by dns_question(), dns_resolv(), dns_send_packet(), dns_timer_expired(), and dns_xfer_deliver().

name [1/2]

char dns_request::name[DNS_MAX_NAME_LEN]

Name buffer.

Definition at line 476 of file dns.c.

Referenced by dns_progress(), dns_question(), dns_resolv(), dns_send_packet(), and dns_xfer_deliver().

padding

struct dns_question dns_request::padding

Space for question.

Definition at line 478 of file dns.c.

[struct]

struct { ... } dns_request::buf

Buffer for current query.

Referenced by dns_question(), dns_resolv(), dns_send_packet(), dns_timer_expired(), and dns_xfer_deliver().

name [2/2]

struct dns_name dns_request::name

Current query name.

Definition at line 481 of file dns.c.

question

struct dns_question* dns_request::question

Question within current query.

Definition at line 483 of file dns.c.

Referenced by dns_question(), dns_send_packet(), and dns_xfer_deliver().

len

size_t dns_request::len

Length of current query.

Definition at line 485 of file dns.c.

Referenced by dns_question(), and dns_send_packet().

offset

size_t dns_request::offset

Offset of search suffix within current query.

Definition at line 487 of file dns.c.

Referenced by dns_question(), dns_resolv(), and dns_xfer_deliver().

search

struct dns_name dns_request::search

Search list.

Definition at line 489 of file dns.c.

Referenced by dns_question(), dns_resolv(), and dns_xfer_deliver().

index

unsigned int dns_request::index

Server index.

Definition at line 491 of file dns.c.

Referenced by dns_send_packet(), and dns_timer_expired().

recursion

unsigned int dns_request::recursion

Recursion counter.

Definition at line 493 of file dns.c.

Referenced by dns_xfer_deliver().

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The documentation for this struct was generated from the following file:

• net/udp/dns.c