Enum trust_dns::rr::rdata::opt::EdnsOption

pub enum EdnsOption {
    DAU(SupportedAlgorithms),
    DHU(SupportedAlgorithms),
    N3U(SupportedAlgorithms),
    Unknown(u16, Vec<u8>),
}

options used to pass information about capabilities between client and server

note: Not all EdnsOptions are supported at this time.

http://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-13

Variants

DAU(SupportedAlgorithms)

RFC 6975, DNSSEC Algorithm Understood

DHU(SupportedAlgorithms)

RFC 6975, DS Hash Understood

N3U(SupportedAlgorithms)

RFC 6975, NSEC3 Hash Understood

Unknown(u16, Vec<u8>)

Unknown, used to deal with unknown or unsupported codes

Methods

impl EdnsOption

pub fn len(&self) -> u16

Returns the length in bytes of the EdnsOption

pub fn is_empty(&self) -> bool

Returns true if the length in bytes of the EdnsOption is 0

Trait Implementations

impl BinEncodable for EdnsOption

fn emit(&self, encoder: &mut BinEncoder) -> Result<(), ProtoError>

Write the type to the stream

default fn to_bytes(&self) -> Result<Vec<u8>, ProtoError>

Returns the object in binary form

impl Clone for EdnsOption

fn clone(&self) -> EdnsOption

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Hash for EdnsOption

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

Feeds this value into the given [Hasher].

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

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

impl PartialEq<EdnsOption> for EdnsOption

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

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

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

This method tests for !=.

impl Eq for EdnsOption

impl<'a> From<(EdnsCode, &'a [u8])> for EdnsOption

only the supported extensions are listed right now.

fn from(value: (EdnsCode, &'a [u8])) -> EdnsOption

Performs the conversion.

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

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

Performs the conversion.

impl PartialOrd<EdnsOption> for EdnsOption

fn partial_cmp(&self, other: &EdnsOption) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &EdnsOption) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &EdnsOption) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &EdnsOption) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &EdnsOption) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Debug for EdnsOption

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

Formats the value using the given formatter.