Struct DnsBuilder 

pub struct DnsBuilder {

    pub id: u16,
    pub qr: bool,
    pub opcode: u8,
    pub aa: bool,
    pub tc: bool,
    pub rd: bool,
    pub ra: bool,
    pub z: bool,
    pub ad: bool,
    pub cd: bool,
    pub rcode: u8,
    pub questions: Vec<DnsQuestion>,
    pub answers: Vec<DnsResourceRecord>,
    pub authorities: Vec<DnsResourceRecord>,
    pub additionals: Vec<DnsResourceRecord>,
    pub compress: bool,
}

Builder for constructing DNS packets.

Fields

id: u16

Transaction ID.

qr: bool

Query/Response flag.

opcode: u8

Operation code.

aa: bool

Authoritative Answer flag.

tc: bool

Truncation flag.

rd: bool

Recursion Desired flag.

ra: bool

Recursion Available flag.

z: bool

Reserved (Z) flag.

ad: bool

Authenticated Data flag (DNSSEC).

cd: bool

Checking Disabled flag (DNSSEC).

rcode: u8

Response code.

questions: Vec<DnsQuestion>

Question section.

answers: Vec<DnsResourceRecord>

Answer section.

authorities: Vec<DnsResourceRecord>

Authority section.

additionals: Vec<DnsResourceRecord>

Additional section.

compress: bool

Whether to use DNS name compression when building.

Implementations

impl DnsBuilder

pub fn new() -> Self

Create a new DNS builder with default values (standard query with RD=1).

pub fn query(qname: &str, qtype: u16) -> Self

Create a builder for a standard query.

pub fn response() -> Self

Create a builder for a standard response.

pub fn id(self, id: u16) -> Self

pub fn qr(self, qr: bool) -> Self

pub fn opcode(self, opcode: u8) -> Self

pub fn aa(self, aa: bool) -> Self

pub fn tc(self, tc: bool) -> Self

pub fn rd(self, rd: bool) -> Self

pub fn ra(self, ra: bool) -> Self

pub fn z(self, z: bool) -> Self

pub fn ad(self, ad: bool) -> Self

pub fn cd(self, cd: bool) -> Self

pub fn rcode(self, rcode: u8) -> Self

pub fn compress(self, compress: bool) -> Self

pub fn question(self, q: DnsQuestion) -> Self

Add a question to the question section.

pub fn answer(self, rr: DnsResourceRecord) -> Self

Add a resource record to the answer section.

pub fn authority(self, rr: DnsResourceRecord) -> Self

Add a resource record to the authority section.

pub fn additional(self, rr: DnsResourceRecord) -> Self

Add a resource record to the additional section.

pub fn build(&self) -> Vec<u8>

Build the DNS packet bytes.

pub fn header_size(&self) -> usize

Get the minimum header size.

Trait Implementations

impl Clone for DnsBuilder

fn clone(&self) -> DnsBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DnsBuilder

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

Formats the value using the given formatter.

impl Default for DnsBuilder

fn default() -> Self

Returns the “default value” for a type.

impl From<DnsBuilder> for LayerStack

fn from(builder: DnsBuilder) -> Self

Converts to this type from the input type.

impl IntoLayerStackEntry for DnsBuilder

fn into_layer_stack_entry(self) -> LayerStackEntry