Enum trust_dns_proto::quic::DoqErrorCode

source · [−]

pub enum DoqErrorCode {
    NoError,
    InternalError,
    ProtocolError,
    RequestCancelled,
    ExcessiveLoad,
    ErrorReserved,
    Unknown(u32),
}

Available on crate features dns-over-quic and tokio-runtime only.

Expand description

DoQ Error Codes, draft-ietf-dprive-dnsoquic, Feb. 28, 2022

 5.3. DoQ Error Codes

The following error codes are defined for use when abruptly terminating streams, aborting reading of streams, or immediately closing connections:

DOQ_NO_ERROR (0x0):
    No error. This is used when the connection or stream needs to be closed, but there is no error to signal.

DOQ_INTERNAL_ERROR (0x1):
    The DoQ implementation encountered an internal error and is incapable of pursuing the transaction or the connection.

DOQ_PROTOCOL_ERROR (0x2):
    The DoQ implementation encountered an protocol error and is forcibly aborting the connection.

DOQ_REQUEST_CANCELLED (0x3):
    A DoQ client uses this to signal that it wants to cancel an outstanding transaction.

DOQ_EXCESSIVE_LOAD (0x4):
    A DoQ implementation uses this to signal when closing a connection due to excessive load.

DOQ_ERROR_RESERVED (0xd098ea5e):
    Alternative error code used for tests.

Variants

`NoError`

No error. This is used when the connection or stream needs to be closed, but there is no error to signal.

`InternalError`

The DoQ implementation encountered an internal error and is incapable of pursuing the transaction or the connection.

`ProtocolError`

The DoQ implementation encountered an protocol error and is forcibly aborting the connection.

`RequestCancelled`

A DoQ client uses this to signal that it wants to cancel an outstanding transaction.

`ExcessiveLoad`

A DoQ implementation uses this to signal when closing a connection due to excessive load.

`ErrorReserved`

Alternative error code used for tests.

`Unknown(u32)`

Unknown Error code

Trait Implementations

impl Clone for DoqErrorCode

fn clone(&self) -> DoqErrorCode

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl From<DoqErrorCode> for VarInt

fn from(doq_error: DoqErrorCode) -> Self

Converts to this type from the input type.

impl From<VarInt> for DoqErrorCode

fn from(doq_error: VarInt) -> Self

Converts to this type from the input type.

impl Copy for DoqErrorCode

Auto Trait Implementations

impl RefUnwindSafe for DoqErrorCode

impl Send for DoqErrorCode

impl Sync for DoqErrorCode

impl Unpin for DoqErrorCode

impl UnwindSafe for DoqErrorCode

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

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

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

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

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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