Struct tower_http::trace::Trace

impl<S, M> Trace<S, M>

pub fn new(inner: S, make_classifier: M) -> Selfwhere
M: MakeClassifier,

Create a new Trace using the given MakeClassifier.

pub fn layer(make_classifier: M) -> TraceLayer<M>where
M: MakeClassifier,

Returns a new Layer that wraps services with a TraceLayer middleware.

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

pub fn get_ref(&self) -> &S

Gets a reference to the underlying service.

pub fn get_mut(&mut self) -> &mut S

Gets a mutable reference to the underlying service.

pub fn into_inner(self) -> S

Consumes self, returning the underlying service.

pub fn on_request<NewOnRequest>(
self,
new_on_request: NewOnRequest
) -> Trace<S, M, MakeSpan, NewOnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

Customize what to do when a request is received.

NewOnRequest is expected to implement OnRequest.

pub fn on_response<NewOnResponse>(
self,
new_on_response: NewOnResponse
) -> Trace<S, M, MakeSpan, OnRequest, NewOnResponse, OnBodyChunk, OnEos, OnFailure>

Customize what to do when a response has been produced.

NewOnResponse is expected to implement OnResponse.

pub fn on_body_chunk<NewOnBodyChunk>(
self,
new_on_body_chunk: NewOnBodyChunk
) -> Trace<S, M, MakeSpan, OnRequest, OnResponse, NewOnBodyChunk, OnEos, OnFailure>

Customize what to do when a body chunk has been sent.

NewOnBodyChunk is expected to implement OnBodyChunk.

pub fn on_eos<NewOnEos>(
self,
new_on_eos: NewOnEos
) -> Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, NewOnEos, OnFailure>

Customize what to do when a streaming response has closed.

NewOnEos is expected to implement OnEos.

pub fn on_failure<NewOnFailure>(
self,
new_on_failure: NewOnFailure
) -> Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, NewOnFailure>

Customize what to do when a response has been classified as a failure.

NewOnFailure is expected to implement OnFailure.

pub fn make_span_with<NewMakeSpan>(
self,
new_make_span: NewMakeSpan
) -> Trace<S, M, NewMakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

Customize how to make Spans that all request handling will be wrapped in.

NewMakeSpan is expected to implement MakeSpan.

impl<S> Trace<S, SharedClassifier<ServerErrorsAsFailures>, DefaultMakeSpan, DefaultOnRequest, DefaultOnResponse, DefaultOnBodyChunk, DefaultOnEos, DefaultOnFailure>

pub fn new_for_http(inner: S) -> Self

Create a new Trace using ServerErrorsAsFailures which supports classifying regular HTTP responses based on the status code.

impl<S> Trace<S, SharedClassifier<GrpcErrorsAsFailures>, DefaultMakeSpan, DefaultOnRequest, DefaultOnResponse, DefaultOnBodyChunk, DefaultOnEos, DefaultOnFailure>

pub fn new_for_grpc(inner: S) -> Self

Create a new Trace using GrpcErrorsAsFailures which supports classifying gRPC responses and streams based on the grpc-status header.

Trait Implementations§

impl<S: Clone, M: Clone, MakeSpan: Clone, OnRequest: Clone, OnResponse: Clone, OnBodyChunk: Clone, OnEos: Clone, OnFailure: Clone> Clone for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

fn clone(
&self
) -> Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

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<S: Debug, M: Debug, MakeSpan: Debug, OnRequest: Debug, OnResponse: Debug, OnBodyChunk: Debug, OnEos: Debug, OnFailure: Debug> Debug for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

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

Formats the value using the given formatter. Read more

impl<S, ReqBody, ResBody, M, OnRequestT, OnResponseT, OnFailureT, OnBodyChunkT, OnEosT, MakeSpanT> Service<Request<ReqBody>> for Trace<S, M, MakeSpanT, OnRequestT, OnResponseT, OnBodyChunkT, OnEosT, OnFailureT>where
 S: Service<Request<ReqBody>, Response = Response<ResBody>>,
 ReqBody: Body,
 ResBody: Body,
 ResBody::Error: Display + 'static,
 S::Error: Display + 'static,
 M: MakeClassifier,
 M::Classifier: Clone,
 MakeSpanT: MakeSpan<ReqBody>,
 OnRequestT: OnRequest<ReqBody>,
 OnResponseT: OnResponse<ResBody> + Clone,
 OnBodyChunkT: OnBodyChunk<ResBody::Data> + Clone,
 OnEosT: OnEos + Clone,
 OnFailureT: OnFailure<M::FailureClass> + Clone,

type Response = Response<ResponseBody<ResBody, <M as MakeClassifier>::ClassifyEos, OnBodyChunkT, OnEosT, OnFailureT>>

Responses given by the service.

type Error = <S as Service<Request<ReqBody>>>::Error

Errors produced by the service.

type Future = ResponseFuture<<S as Service<Request<ReqBody>>>::Future, <M as MakeClassifier>::Classifier, OnResponseT, OnBodyChunkT, OnEosT, OnFailureT>

The future response value.

fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

Returns Poll::Ready(Ok(())) when the service is able to process requests. Read more

fn call(&mut self, req: Request<ReqBody>) -> Self::Future

Process the request and return the response asynchronously. Read more

impl<S: Copy, M: Copy, MakeSpan: Copy, OnRequest: Copy, OnResponse: Copy, OnBodyChunk: Copy, OnEos: Copy, OnFailure: Copy> Copy for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>

Auto Trait Implementations§

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> RefUnwindSafe for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>where
 M: RefUnwindSafe,
 MakeSpan: RefUnwindSafe,
 OnBodyChunk: RefUnwindSafe,
 OnEos: RefUnwindSafe,
 OnFailure: RefUnwindSafe,
 OnRequest: RefUnwindSafe,
 OnResponse: RefUnwindSafe,
 S: RefUnwindSafe,

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> Send for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>where
 M: Send,
 MakeSpan: Send,
 OnBodyChunk: Send,
 OnEos: Send,
 OnFailure: Send,
 OnRequest: Send,
 OnResponse: Send,
 S: Send,

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> Sync for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>where
 M: Sync,
 MakeSpan: Sync,
 OnBodyChunk: Sync,
 OnEos: Sync,
 OnFailure: Sync,
 OnRequest: Sync,
 OnResponse: Sync,
 S: Sync,

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> Unpin for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>where
 M: Unpin,
 MakeSpan: Unpin,
 OnBodyChunk: Unpin,
 OnEos: Unpin,
 OnFailure: Unpin,
 OnRequest: Unpin,
 OnResponse: Unpin,
 S: Unpin,

impl<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure> UnwindSafe for Trace<S, M, MakeSpan, OnRequest, OnResponse, OnBodyChunk, OnEos, OnFailure>where
 M: UnwindSafe,
 MakeSpan: UnwindSafe,
 OnBodyChunk: UnwindSafe,
 OnEos: UnwindSafe,
 OnFailure: UnwindSafe,
 OnRequest: UnwindSafe,
 OnResponse: UnwindSafe,
 S: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for Twhere
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 for Twhere
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> PolicyExt for Twhere
T: ?Sized,

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

Available on crate feature follow-redirect only.

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>where
T: Policy<B, E>,
P: Policy<B, E>,

Available on crate feature follow-redirect only.

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T, Request> ServiceExt<Request> for Twhere
T: Service<Request> + ?Sized,

fn ready(&mut self) -> Ready<'_, Self, Request>where
Self: Sized,

Yields a mutable reference to the service when it is ready to accept a request.

fn ready_and(&mut self) -> Ready<'_, Self, Request>where
Self: Sized,

👎Deprecated since 0.4.6: please use the ServiceExt::ready method instead

Yields a mutable reference to the service when it is ready to accept a request.

fn ready_oneshot(self) -> ReadyOneshot<Self, Request>where
Self: Sized,

Yields the service when it is ready to accept a request.

fn oneshot(self, req: Request) -> Oneshot<Self, Request>where
Self: Sized,

Consume this Service, calling with the providing request once it is ready.

fn call_all<S>(self, reqs: S) -> CallAll<Self, S>where
 Self: Sized,
 Self::Error: Into<Box<dyn Error + Send + Sync + 'static, Global>>,
 S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more

fn and_then<F>(self, f: F) -> AndThen<Self, F>where
Self: Sized,
F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>where
Self: Sized,
F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>where
Self: Sized,
F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more

fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>where
 Self: Sized,
 Error: From<Self::Error>,
 F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>where
Self: Sized,
F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more

fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>where
 Self: Sized,
 Error: From<Self::Error>,
 F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone,
 Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more

fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F>where
 Self: Sized,
 F: FnMut(Self::Future) -> Fut,
 Error: From<Self::Error>,
 Fut: Future<Output = Result<Response, Error>>,

Composes a function that transforms futures produced by the service. Read more

fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>where
Self: 'static + Sized + Send,
Self::Future: 'static + Send,

Convert the service into a Service + Send trait object. Read more

fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>where
Self: 'static + Clone + Sized + Send,
Self::Future: 'static + Send,

Convert the service into a Service + Clone + Send trait object. Read more

impl<T> ToOwned for Twhere
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 for Twhere
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>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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