Struct domain::base::header::HeaderSection

pub struct HeaderSection { /* fields omitted */ }

The complete header section of a DNS message.

Consists of a Header directly followed by a HeaderCounts.

You can create an owned value via the new function or Default trait or acquire a pointer referring the the header section of an existing DNS message via the for_message_slice or for_message_slice_mut functions.

Implementations

impl HeaderSection

Creation and Conversion

pub fn new() -> Self

Creates a new header section.

The value will have all header and header counts fields set to zero or false.

pub fn for_message_slice(s: &[u8]) -> &HeaderSection

Creates a reference from the octets slice of a message.

Panics

This function panics if the the octets slice is shorter than 24 octets.

pub fn for_message_slice_mut(s: &mut [u8]) -> &mut HeaderSection

Creates a mutable reference from the ocetets slice of a message.

Panics

This function panics if the the octets slice is shorter than 24 octets.

pub fn as_slice(&self) -> &[u8]

Returns a reference to the underlying octets slice.

impl HeaderSection

Access to Header and Counts

pub fn header(&self) -> &Header

Returns a reference to the header.

pub fn header_mut(&mut self) -> &mut Header

Returns a mutable reference to the header.

pub fn counts(&self) -> &HeaderCounts

Returns a reference to the header counts.

pub fn counts_mut(&mut self) -> &mut HeaderCounts

Returns a mutable reference to the header counts.

Trait Implementations

impl AsMut<Header> for HeaderSection

fn as_mut(&mut self) -> &mut Header

Performs the conversion.

impl AsMut<HeaderCounts> for HeaderSection

fn as_mut(&mut self) -> &mut HeaderCounts

Performs the conversion.

impl AsRef<Header> for HeaderSection

fn as_ref(&self) -> &Header

Performs the conversion.

impl AsRef<HeaderCounts> for HeaderSection

fn as_ref(&self) -> &HeaderCounts

Performs the conversion.

impl Clone for HeaderSection

fn clone(&self) -> HeaderSection

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Compose for HeaderSection

fn compose<T: OctetsBuilder>(&self, target: &mut T) -> Result<(), ShortBuf>

Appends the concrete representation of the value to the target.

fn compose_canonical<T: OctetsBuilder>(
    &self,
    target: &mut T
) -> Result<(), ShortBuf>

Appends the canonical representation of the value to the target.

impl Copy for HeaderSection

impl Debug for HeaderSection

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

Formats the value using the given formatter.

impl Default for HeaderSection

fn default() -> HeaderSection

Returns the "default value" for a type.

impl Eq for HeaderSection

impl<Ref: AsRef<[u8]>> Parse<Ref> for HeaderSection

fn parse(parser: &mut Parser<Ref>) -> Result<Self, ParseError>

Extracts a value from the beginning of parser.

fn skip(parser: &mut Parser<Ref>) -> Result<(), ParseError>

Skips over a value of this type at the beginning of parser.

impl PartialEq<HeaderSection> for HeaderSection

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

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

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

This method tests for !=.

impl StructuralEq for HeaderSection

impl StructuralPartialEq for HeaderSection