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Error

rama::http::core::h3

Struct Error 

pub struct Error { /* private fields */ }
Available on crate features http-backend and http and std only.
Expand description

A terminal HTTP/3 protocol error.

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impl Error

pub const fn connection(code: Code, reason: &'static str) -> Error

Construct a connection error.

pub const fn stream(code: Code, reason: &'static str) -> Error

Construct an error affecting one request or push stream.

pub fn is_remote_failure(self) -> bool

Whether received protocol data or a transport failure caused this error.

Local application failures and graceful connection closure are excluded. This classification does not grant permission to retry a request.

pub const fn code(self) -> Code

The effective HTTP/3 application error code.

Unknown and reserved wire values are equivalent to H3_NO_ERROR (RFC 9114 section 8). Self::raw_code retains their diagnostic value.

Transport failures use a local classification when no application code was received; a closed transport cannot deliver it to the peer.

pub const fn raw_code(self) -> Code

The original application code, including unknown and reserved values.

pub const fn scope(self) -> ErrorScope

Whether the connection or the affected stream must be terminated.

pub fn is_rejected(self) -> bool

Whether the peer explicitly rejected this request without processing it.

pub fn from_qpack(error: QpackError) -> Option<Error>

Map a terminal compression error, preserving local output backpressure as None.

pub fn from_frame(error: &FrameError) -> Option<Error>

Map a frame error; rejected local input is backpressure, not a peer error.

Trait Implementations§

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impl Clone for Error

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fn clone(&self) -> Error

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for Error

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impl Debug for Error

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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 Display for Error

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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 Eq for Error

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impl Error for Error

1.30.0 · Source§

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

Read more
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl PartialEq for Error

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for Error

Auto Trait Implementations§

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impl Freeze for Error

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impl RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl UnsafeUnpin for Error

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impl UnwindSafe for Error

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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impl<T> Borrow<T> for T
where 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 T
where 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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Error> ErrorExt for Error
where Error: Into<Box<dyn Error + Sync + Send>>,

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fn into_box_error(self) -> Box<dyn Error + Sync + Send>

Return self as BoxError without additional context.
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fn into_opaque_error(self) -> OpaqueError

Return self as OpaqueError without additional context. Read more
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fn context<M>(self, value: M) -> Box<dyn Error + Sync + Send>
where M: Debug + Display + Send + Sync + 'static,

Wrap the error in a context.
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fn context_hex<M>(self, value: M) -> Box<dyn Error + Sync + Send>
where M: Debug + Send + Sync + 'static,

Wrap the error in a context, using fmt::LowerHex as fmt::Debug and fmt::Display.
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fn context_debug<M>(self, value: M) -> Box<dyn Error + Sync + Send>
where M: Debug + Send + Sync + 'static,

Wrap the error in a context, using fmt::Debug as fmt::Display.
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fn context_field<M>( self, key: &'static str, value: M, ) -> Box<dyn Error + Sync + Send>
where M: Debug + Display + Send + Sync + 'static,

Wrap the error in a keyed context.
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fn context_str_field<M>( self, key: &'static str, value: M, ) -> Box<dyn Error + Sync + Send>
where M: Into<String>,

Same as Self::context_field but using a string-like value, this is useful in case you need to pass a string slice which is borrowed and thus cannot be passed as part of ’static error.
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fn context_hex_field<M>( self, key: &'static str, value: M, ) -> Box<dyn Error + Sync + Send>
where M: Debug + Send + Sync + 'static,

Wrap the error in a keyed context, using fmt::LowerHex as fmt::Debug and fmt::Display.
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fn context_debug_field<M>( self, key: &'static str, value: M, ) -> Box<dyn Error + Sync + Send>
where M: Debug + Send + Sync + 'static,

Wrap the error in a keyed context, using fmt::Debug as fmt::Display.
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fn with_context<C, F>(self, cb: F) -> Box<dyn Error + Sync + Send>
where C: Debug + Display + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with a context.
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fn with_context_hex<C, F>(self, cb: F) -> Box<dyn Error + Sync + Send>
where C: Debug + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with a context, using fmt::LowerHex as fmt::Debug and fmt::Display.
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fn with_context_debug<C, F>(self, cb: F) -> Box<dyn Error + Sync + Send>
where C: Debug + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with a context, using fmt::Debug as fmt::Display.
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fn with_context_field<C, F>( self, key: &'static str, cb: F, ) -> Box<dyn Error + Sync + Send>
where C: Debug + Display + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with keyed context.
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fn with_context_str_field<C, F>( self, key: &'static str, cb: F, ) -> Box<dyn Error + Sync + Send>
where C: Into<String>, F: FnOnce() -> C,

Same as Self::with_context_field but using a string-like value, this is useful in case you need to pass a string slice which is borrowed and thus cannot be passed as part of ’static error.
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fn with_context_hex_field<C, F>( self, key: &'static str, cb: F, ) -> Box<dyn Error + Sync + Send>
where C: Debug + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with keyed context using fmt::LowerHex as fmt::Debug and fmt::Display.
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fn with_context_debug_field<C, F>( self, key: &'static str, cb: F, ) -> Box<dyn Error + Sync + Send>
where C: Debug + Send + Sync + 'static, F: FnOnce() -> C,

Lazily wrap the error with keyed context using fmt::Debug as fmt::Display.
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fn backtrace(self) -> Box<dyn Error + Sync + Send>

Available on crate feature std only.
Add a Backtrace to the error.
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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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self> ⓘ

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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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 T
where 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a rama_grpc::Request
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impl<L> LayerExt<L> for L

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fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>
where L: Layer<S>,

Applies the layer to a service and wraps it in Layered.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T, U> RamaFrom<T> for U
where U: From<T>,

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fn rama_from(value: T) -> U

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impl<T, U, CrateMarker> RamaInto<U, CrateMarker> for T
where U: RamaFrom<T, CrateMarker>,

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fn rama_into(self) -> U

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

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

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fn rama_try_from(value: T) -> Result<U, <U as RamaTryFrom<T>>::Error>

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impl<T, U, CrateMarker> RamaTryInto<U, CrateMarker> for T
where U: RamaTryFrom<T, CrateMarker>,

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type Error = <U as RamaTryFrom<T, CrateMarker>>::Error

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fn rama_try_into(self) -> Result<U, <U as RamaTryFrom<T, CrateMarker>>::Error>

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where 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> ToSmolStr for T
where T: Display + ?Sized,

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fn to_smolstr(&self) -> SmolStr

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> ToStringFallible for T
where T: Display,

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fn try_to_string(&self) -> Result<String, TryReserveError>

ToString::to_string, but without panic on OOM.

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

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type Error = !

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

Performs the conversion.
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impl<T, U> TryInto<U> for T
where 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 T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<V, F> ValueFormatter<&V> for F
where F: ValueFormatter<V> + ?Sized, V: ?Sized,

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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &&V)

Write value to writer
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impl<V, F> ValueFormatter<Arc<V>> for F
where F: ValueFormatter<V> + ?Sized, V: ?Sized,

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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Arc<V>)

Write value to writer
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impl<V, F> ValueFormatter<Box<V>> for F
where F: ValueFormatter<V> + ?Sized, V: ?Sized,

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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Box<V>)

Write value to writer
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impl<V, F> ValueFormatter<Cow<'_, V>> for F
where V: ToOwned + ?Sized, F: ValueFormatter<V> + ?Sized,

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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Cow<'_, V>)

Write value to writer
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impl<V, F> ValueFormatter<Option<V>> for F
where F: ValueFormatter<V> + ?Sized,

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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Option<V>)

Write value to writer
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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