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mirror of https://github.com/fafhrd91/actix-web synced 2024-11-24 08:22:59 +01:00
actix-web/actix-http/src/lib.rs
2021-02-13 15:08:43 +00:00

139 lines
3.8 KiB
Rust

//! HTTP primitives for the Actix ecosystem.
//!
//! ## Crate Features
//! | Feature | Functionality |
//! | ---------------- | ----------------------------------------------------- |
//! | `openssl` | TLS support via [OpenSSL]. |
//! | `rustls` | TLS support via [rustls]. |
//! | `compress` | Payload compression support. (Deflate, Gzip & Brotli) |
//! | `cookies` | Support for cookies backed by the [cookie] crate. |
//! | `secure-cookies` | Adds for secure cookies. Enables `cookies` feature. |
//! | `trust-dns` | Use [trust-dns] as the client DNS resolver. |
//!
//! [OpenSSL]: https://crates.io/crates/openssl
//! [rustls]: https://crates.io/crates/rustls
//! [cookie]: https://crates.io/crates/cookie
//! [trust-dns]: https://crates.io/crates/trust-dns
#![deny(rust_2018_idioms, nonstandard_style)]
#![allow(
clippy::type_complexity,
clippy::too_many_arguments,
clippy::new_without_default,
clippy::borrow_interior_mutable_const
)]
#![doc(html_logo_url = "https://actix.rs/img/logo.png")]
#![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
#[macro_use]
extern crate log;
#[macro_use]
mod macros;
pub mod body;
mod builder;
pub mod client;
mod config;
#[cfg(feature = "compress")]
pub mod encoding;
mod extensions;
mod header;
mod helpers;
mod http_codes;
mod http_message;
mod message;
mod payload;
mod request;
mod response;
mod service;
mod time_parser;
pub mod error;
pub mod h1;
pub mod h2;
pub mod test;
pub mod ws;
#[cfg(feature = "cookies")]
pub use cookie;
pub use self::builder::HttpServiceBuilder;
pub use self::config::{KeepAlive, ServiceConfig};
pub use self::error::{Error, ResponseError, Result};
pub use self::extensions::Extensions;
pub use self::http_message::HttpMessage;
pub use self::message::{Message, RequestHead, RequestHeadType, ResponseHead};
pub use self::payload::{Payload, PayloadStream};
pub use self::request::Request;
pub use self::response::{Response, ResponseBuilder};
pub use self::service::HttpService;
pub mod http {
//! Various HTTP related types.
// re-exports
pub use http::header::{HeaderName, HeaderValue};
pub use http::uri::PathAndQuery;
pub use http::{uri, Error, Uri};
pub use http::{Method, StatusCode, Version};
#[cfg(feature = "cookies")]
pub use crate::cookie::{Cookie, CookieBuilder};
pub use crate::header::HeaderMap;
/// A collection of HTTP headers and helpers.
pub mod header {
pub use crate::header::*;
}
pub use crate::header::ContentEncoding;
pub use crate::message::ConnectionType;
}
/// A major HTTP protocol version.
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
#[non_exhaustive]
pub enum Protocol {
Http1,
Http2,
Http3,
}
type ConnectCallback<IO> = dyn Fn(&IO, &mut Extensions);
/// Container for data that extract with ConnectCallback.
///
/// # Implementation Details
/// Uses Option to reduce necessary allocations when merging with request extensions.
pub(crate) struct OnConnectData(Option<Extensions>);
impl Default for OnConnectData {
fn default() -> Self {
Self(None)
}
}
impl OnConnectData {
/// Construct by calling the on-connect callback with the underlying transport I/O.
pub(crate) fn from_io<T>(
io: &T,
on_connect_ext: Option<&ConnectCallback<T>>,
) -> Self {
let ext = on_connect_ext.map(|handler| {
let mut extensions = Extensions::new();
handler(io, &mut extensions);
extensions
});
Self(ext)
}
/// Merge self into given request's extensions.
#[inline]
pub(crate) fn merge_into(&mut self, req: &mut Request) {
if let Some(ref mut ext) = self.0 {
req.head.extensions.get_mut().drain_from(ext);
}
}
}