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//! Pieces pertaining to the HTTP message protocol.
cfg_feature! {
#![feature = "http1"]
pub(crate) mod h1;
pub(crate) use self::h1::Conn;
#[cfg(feature = "client")]
pub(crate) use self::h1::dispatch;
#[cfg(feature = "server")]
pub(crate) use self::h1::ServerTransaction;
}
#[cfg(feature = "http2")]
pub(crate) mod h2;
/// An Incoming Message head. Includes request/status line, and headers.
#[derive(Debug, Default)]
pub(crate) struct MessageHead<S> {
/// HTTP version of the message.
pub(crate) version: http::Version,
/// Subject (request line or status line) of Incoming message.
pub(crate) subject: S,
/// Headers of the Incoming message.
pub(crate) headers: http::HeaderMap,
/// Extensions.
extensions: http::Extensions,
}
/// An incoming request message.
#[cfg(feature = "http1")]
pub(crate) type RequestHead = MessageHead<RequestLine>;
#[derive(Debug, Default, PartialEq)]
#[cfg(feature = "http1")]
pub(crate) struct RequestLine(pub(crate) http::Method, pub(crate) http::Uri);
/// An incoming response message.
#[cfg(all(feature = "http1", feature = "client"))]
pub(crate) type ResponseHead = MessageHead<http::StatusCode>;
#[derive(Debug)]
#[cfg(feature = "http1")]
pub(crate) enum BodyLength {
/// Content-Length
Known(u64),
/// Transfer-Encoding: chunked (if h1)
Unknown,
}
/// Status of when a Disaptcher future completes.
pub(crate) enum Dispatched {
/// Dispatcher completely shutdown connection.
Shutdown,
/// Dispatcher has pending upgrade, and so did not shutdown.
#[cfg(feature = "http1")]
Upgrade(crate::upgrade::Pending),
}
impl MessageHead<http::StatusCode> {
fn into_response<B>(self, body: B) -> http::Response<B> {
let mut res = http::Response::new(body);
*res.status_mut() = self.subject;
*res.headers_mut() = self.headers;
*res.version_mut() = self.version;
*res.extensions_mut() = self.extensions;
res
}
}