Enum trust_dns_proto::rr::rdata::opt::EdnsCode

pub enum EdnsCode {
    Zero,
    LLQ,
    UL,
    NSID,
    DAU,
    DHU,
    N3U,
    Subnet,
    Expire,
    Cookie,
    Keepalive,
    Padding,
    Chain,
    Unknown(u16),
}

The code of the EDNS data option

Variants

Zero

RFC 6891, Reserved

LLQ

LLQ On-hold

UL

UL On-hold

NSID

RFC 5001, NSID

DAU

RFC 6975, DNSSEC Algorithm Understood

DHU

RFC 6975, DS Hash Understood

N3U

RFC 6975, NSEC3 Hash Understood

Subnet

edns-client-subnet, Optional

Expire

RFC 7314, EDNS EXPIRE, Optional

Cookie

draft-ietf-dnsop-cookies

Keepalive

draft-ietf-dnsop-edns-tcp-keepalive, Optional

Padding

draft-mayrhofer-edns0-padding, Optional

Chain

draft-ietf-dnsop-edns-chain-query

Unknown(u16)

Unknown, used to deal with unknown or unsupported codes

Trait Implementations

impl Copy for EdnsCode

impl From<u16> for EdnsCode

fn from(value: u16) -> EdnsCode

Performs the conversion.

impl From<EdnsCode> for u16

fn from(value: EdnsCode) -> u16

Performs the conversion.

impl<'a> From<&'a EdnsOption> for EdnsCode

fn from(value: &'a EdnsOption) -> EdnsCode

Performs the conversion.

impl PartialEq<EdnsCode> for EdnsCode

fn eq(&self, other: &EdnsCode) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &EdnsCode) -> bool

This method tests for !=.

impl Clone for EdnsCode

fn clone(&self) -> EdnsCode

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Eq for EdnsCode

impl Debug for EdnsCode

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Hash for EdnsCode

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].