1//! Pieces pertaining to the HTTP message protocol.
2
3cfg_feature! {
4 #![feature = "http1"]
5
6 pub(crate) mod h1;
7
8 pub(crate) use self::h1::Conn;
9
10 #[cfg(feature = "client")]
11 pub(crate) use self::h1::dispatch;
12 #[cfg(feature = "server")]
13 pub(crate) use self::h1::ServerTransaction;
14}
15
16#[cfg(feature = "http2")]
17pub(crate) mod h2;
18
19/// An Incoming Message head. Includes request/status line, and headers.
20#[cfg(feature = "http1")]
21#[derive(Debug, Default)]
22pub(crate) struct MessageHead<S> {
23 /// HTTP version of the message.
24 pub(crate) version: http::Version,
25 /// Subject (request line or status line) of Incoming message.
26 pub(crate) subject: S,
27 /// Headers of the Incoming message.
28 pub(crate) headers: http::HeaderMap,
29 /// Extensions.
30 extensions: http::Extensions,
31}
32
33/// An incoming request message.
34#[cfg(feature = "http1")]
35pub(crate) type RequestHead = MessageHead<RequestLine>;
36
37#[derive(Debug, Default, PartialEq)]
38#[cfg(feature = "http1")]
39pub(crate) struct RequestLine(pub(crate) http::Method, pub(crate) http::Uri);
40
41/// An incoming response message.
42#[cfg(all(feature = "http1", feature = "client"))]
43pub(crate) type ResponseHead = MessageHead<http::StatusCode>;
44
45#[derive(Debug)]
46#[cfg(feature = "http1")]
47pub(crate) enum BodyLength {
48 /// Content-Length
49 Known(u64),
50 /// Transfer-Encoding: chunked (if h1)
51 Unknown,
52}
53
54/// Status of when a Dispatcher future completes.
55pub(crate) enum Dispatched {
56 /// Dispatcher completely shutdown connection.
57 Shutdown,
58 /// Dispatcher has pending upgrade, and so did not shutdown.
59 #[cfg(feature = "http1")]
60 Upgrade(crate::upgrade::Pending),
61}
62
63#[cfg(all(feature = "client", feature = "http1"))]
64impl MessageHead<http::StatusCode> {
65 fn into_response<B>(self, body: B) -> http::Response<B> {
66 let mut res: Response = http::Response::new(body);
67 *res.status_mut() = self.subject;
68 *res.headers_mut() = self.headers;
69 *res.version_mut() = self.version;
70 *res.extensions_mut() = self.extensions;
71 res
72 }
73}
74