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FastCgiHttpClientConnector

rama::gateway::fastcgi::http

Struct FastCgiHttpClientConnector 

pub struct FastCgiHttpClientConnector<S> { /* private fields */ }
Available on crate features fastcgi and http only.
Expand description

A connector that translates HTTP requests into FastCGI connections.

Wraps an inner FastCGI connector S. When called with an HTTP Request, it maps HTTP metadata to CGI environment variables (without buffering the body — the body becomes a streaming FastCgiBody wrapping the original Body stream), then hands the resulting FastCgiClientRequest to the inner connector.

§Why the conversion happens before the connection

EstablishedClientConnection<IO, Req> is generic on the request type that flows back to the caller alongside the established IO. The inner connector must therefore see a FastCgiClientRequest, not a Request<Body>:

  • the inner connector may route on FastCGI-shaped routing extensions (Unix-socket path per SCRIPT_FILENAME, pool key per backend tag, …);
  • it allows the connector implementor to inspect / annotate the FastCgiClientRequest::extensions field — a stable interface across transports — rather than HTTP-specific request parts;
  • the body stays a stream (no .collect()); the conversion is essentially metadata-only, so doing it before the connect is cheap.

The returned EstablishedClientConnection carries the IO stream ready for use with send_on or inside FastCgiHttpClient.

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impl<S> FastCgiHttpClientConnector<S>

pub fn new(inner: S) -> FastCgiHttpClientConnector<S>

Create a new FastCgiHttpClientConnector wrapping inner.

pub fn get_ref(&self) -> &S

Gets a reference to the underlying service.

pub fn into_inner(self) -> S

Consumes self, returning the underlying service.

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impl<S> Clone for FastCgiHttpClientConnector<S>
where S: Clone,

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fn clone(&self) -> FastCgiHttpClientConnector<S>

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<S> Debug for FastCgiHttpClientConnector<S>
where S: Debug,

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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<S, IO> Service<Request> for FastCgiHttpClientConnector<S>
where S: Service<FastCgiClientRequest, Output = EstablishedClientConnection<IO, FastCgiClientRequest>>, <S as Service<FastCgiClientRequest>>::Error: Into<Box<dyn Error + Send + Sync>>, IO: AsyncRead + AsyncWrite + Unpin + Send + 'static,

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type Output = EstablishedClientConnection<IO, FastCgiClientRequest>

The type of the output returned by the service.
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type Error = Box<dyn Error + Send + Sync>

The type of error returned by the service.
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async fn serve( &self, req: Request, ) -> Result<<FastCgiHttpClientConnector<S> as Service<Request>>::Output, <FastCgiHttpClientConnector<S> as Service<Request>>::Error>

Serve an output or an error for the given input
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fn boxed(self) -> BoxService<Input, Self::Output, Self::Error>

Box this service to allow for dynamic dispatch.

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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