Skip to main content

Next

Struct Next 

Source
pub struct Next { /* private fields */ }

Implementations§

Source§

impl Next

Source

pub async fn run(self, req: Request) -> Result<Response, Error>

Examples found in repository?
examples/homepage.rs (line 17)
14async fn request_id(mut req: Request, next: Next) -> Result<Response, Error> {
15    let id = REQUEST_COUNTER.fetch_add(1, Ordering::Relaxed);
16    req.ctx_mut().insert(RequestId(id));
17    let mut resp = resolve(next.run(req).await);
18    if let Ok(header) = format!("req-{id}").parse() {
19        resp.headers_mut().insert("x-request-id", header);
20    }
21    Ok(resp)
22}
23
24async fn logger(req: Request, next: Next) -> Result<Response, Error> {
25    let method = req.method().clone();
26    let path = req.uri().path().to_owned();
27    let id = req.ctx().get::<RequestId>().map(|r| r.0);
28    let user = rustio_core::auth::identity(req.ctx()).map(|i| i.email.clone());
29    let started = Instant::now();
30    let result = next.run(req).await;
31    let status = match &result {
32        Ok(resp) => resp.status().as_u16(),
33        Err(err) => err.status(),
34    };
35    let id_display = id.map(|i| format!("req-{i}")).unwrap_or_else(|| "-".into());
36    let user_display = user.unwrap_or_else(|| "-".into());
37    eprintln!(
38        "[{:>3}] {:>4} {} id={} user={} ({:?})",
39        status,
40        method,
41        path,
42        id_display,
43        user_display,
44        started.elapsed()
45    );
46    result
47}

Auto Trait Implementations§

§

impl Freeze for Next

§

impl !RefUnwindSafe for Next

§

impl Send for Next

§

impl !Sync for Next

§

impl Unpin for Next

§

impl UnsafeUnpin for Next

§

impl !UnwindSafe for Next

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> Instrument for T

Source§

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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

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.

Source§

impl<T> IntoEither for T

Source§

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
Source§

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
Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

fn vzip(self) -> V

Source§

impl<T> WithSubscriber for T

Source§

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
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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