pub enum DNSClass {
    IN,
    CH,
    HS,
    NONE,
    ANY,
    OPT(u16),
}
Expand description

The DNS Record class

Variants§

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IN

Internet

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CH

Chaos

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HS

Hesiod

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NONE

QCLASS NONE

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ANY

QCLASS * (ANY)

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OPT(u16)

Special class for OPT Version, it was overloaded for EDNS - RFC 6891 From the RFC: Values lower than 512 MUST be treated as equal to 512

Implementations§

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impl DNSClass

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pub fn from_u16(value: u16) -> ProtoResult<Self>

Convert from u16 to DNSClass

use trust_dns_proto::rr::dns_class::DNSClass;

let var = DNSClass::from_u16(1).unwrap();
assert_eq!(DNSClass::IN, var);
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pub fn for_opt(value: u16) -> Self

Return the OPT version from value

Trait Implementations§

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impl<'r> BinDecodable<'r> for DNSClass

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fn read(decoder: &mut BinDecoder<'_>) -> ProtoResult<Self>

Read the type from the stream
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fn from_bytes(bytes: &'r [u8]) -> ProtoResult<Self>

Returns the object in binary form
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impl BinEncodable for DNSClass

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fn emit(&self, encoder: &mut BinEncoder<'_>) -> ProtoResult<()>

Write the type to the stream
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fn to_bytes(&self) -> ProtoResult<Vec<u8>>

Returns the object in binary form
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impl Clone for DNSClass

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fn clone(&self) -> DNSClass

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DNSClass

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

Formats the value using the given formatter. Read more
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impl Display for DNSClass

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

Formats the value using the given formatter. Read more
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impl From<DNSClass> for &'static str

Convert from DNSClass to &str

use trust_dns_proto::rr::dns_class::DNSClass;

let var: &'static str = DNSClass::IN.into();
assert_eq!("IN", var);
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fn from(rt: DNSClass) -> &'static str

Converts to this type from the input type.
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impl From<DNSClass> for u16

Convert from DNSClass to u16

use trust_dns_proto::rr::dns_class::DNSClass;

let var: u16 = DNSClass::IN.into();
assert_eq!(1, var);
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fn from(rt: DNSClass) -> Self

Converts to this type from the input type.
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impl FromStr for DNSClass

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fn from_str(str: &str) -> ProtoResult<Self>

Convert from &str to DNSClass

use std::str::FromStr;
use trust_dns_proto::rr::dns_class::DNSClass;

let var: DNSClass = DNSClass::from_str("IN").unwrap();
assert_eq!(DNSClass::IN, var);
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type Err = ProtoError

The associated error which can be returned from parsing.
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impl Hash for DNSClass

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for DNSClass

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl PartialEq<DNSClass> for DNSClass

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<DNSClass> for DNSClass

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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impl Eq for DNSClass

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impl StructuralEq for DNSClass

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impl StructuralPartialEq for DNSClass

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more