mirror of
https://github.com/actix/actix-web.git
synced 2024-12-23 08:36:34 +00:00
678 lines
21 KiB
Rust
678 lines
21 KiB
Rust
use std::{
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fmt,
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future::Future,
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marker::PhantomData,
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net,
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pin::Pin,
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rc::Rc,
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task::{Context, Poll},
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};
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use actix_codec::{AsyncRead, AsyncWrite, Framed};
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use actix_rt::net::TcpStream;
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use actix_service::{pipeline_factory, IntoServiceFactory, Service, ServiceFactory};
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use bytes::Bytes;
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use futures_core::ready;
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use h2::server::{handshake, Handshake};
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use pin_project::pin_project;
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use crate::body::MessageBody;
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use crate::builder::HttpServiceBuilder;
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use crate::config::{KeepAlive, ServiceConfig};
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use crate::error::{DispatchError, Error};
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use crate::request::Request;
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use crate::response::Response;
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use crate::{h1, h2::Dispatcher, ConnectCallback, OnConnectData, Protocol};
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/// A `ServiceFactory` for HTTP/1.1 or HTTP/2 protocol.
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pub struct HttpService<T, S, B, X = h1::ExpectHandler, U = h1::UpgradeHandler> {
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srv: S,
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cfg: ServiceConfig,
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expect: X,
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upgrade: Option<U>,
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on_connect_ext: Option<Rc<ConnectCallback<T>>>,
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_phantom: PhantomData<B>,
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}
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impl<T, S, B> HttpService<T, S, B>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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{
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/// Create builder for `HttpService` instance.
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pub fn build() -> HttpServiceBuilder<T, S> {
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HttpServiceBuilder::new()
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}
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}
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impl<T, S, B> HttpService<T, S, B>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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{
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/// Create new `HttpService` instance.
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pub fn new<F: IntoServiceFactory<S, Request>>(service: F) -> Self {
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let cfg = ServiceConfig::new(KeepAlive::Timeout(5), 5000, 0, false, None);
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HttpService {
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cfg,
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srv: service.into_factory(),
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expect: h1::ExpectHandler,
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upgrade: None,
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on_connect_ext: None,
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_phantom: PhantomData,
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}
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}
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/// Create new `HttpService` instance with config.
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pub(crate) fn with_config<F: IntoServiceFactory<S, Request>>(
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cfg: ServiceConfig,
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service: F,
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) -> Self {
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HttpService {
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cfg,
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srv: service.into_factory(),
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expect: h1::ExpectHandler,
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upgrade: None,
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on_connect_ext: None,
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_phantom: PhantomData,
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}
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}
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}
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impl<T, S, B, X, U> HttpService<T, S, B, X, U>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody,
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{
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/// Provide service for `EXPECT: 100-Continue` support.
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///
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/// Service get called with request that contains `EXPECT` header.
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/// Service must return request in case of success, in that case
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/// request will be forwarded to main service.
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pub fn expect<X1>(self, expect: X1) -> HttpService<T, S, B, X1, U>
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where
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X1: ServiceFactory<Request, Config = (), Response = Request>,
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X1::Error: Into<Error>,
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X1::InitError: fmt::Debug,
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<X1::Service as Service<Request>>::Future: 'static,
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{
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HttpService {
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expect,
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cfg: self.cfg,
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srv: self.srv,
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upgrade: self.upgrade,
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on_connect_ext: self.on_connect_ext,
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_phantom: PhantomData,
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}
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}
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/// Provide service for custom `Connection: UPGRADE` support.
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///
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/// If service is provided then normal requests handling get halted
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/// and this service get called with original request and framed object.
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pub fn upgrade<U1>(self, upgrade: Option<U1>) -> HttpService<T, S, B, X, U1>
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where
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U1: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>,
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U1::Error: fmt::Display,
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U1::InitError: fmt::Debug,
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<U1::Service as Service<(Request, Framed<T, h1::Codec>)>>::Future: 'static,
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{
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HttpService {
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upgrade,
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cfg: self.cfg,
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srv: self.srv,
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expect: self.expect,
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on_connect_ext: self.on_connect_ext,
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_phantom: PhantomData,
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}
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}
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/// Set connect callback with mutable access to request data container.
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pub(crate) fn on_connect_ext(mut self, f: Option<Rc<ConnectCallback<T>>>) -> Self {
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self.on_connect_ext = f;
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self
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}
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}
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impl<S, B, X, U> HttpService<TcpStream, S, B, X, U>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request, Config = (), Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service<Request>>::Future: 'static,
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U: ServiceFactory<
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(Request, Framed<TcpStream, h1::Codec>),
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Config = (),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service<(Request, Framed<TcpStream, h1::Codec>)>>::Future: 'static,
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{
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/// Create simple tcp stream service
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pub fn tcp(
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self,
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) -> impl ServiceFactory<
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TcpStream,
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Config = (),
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Response = (),
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Error = DispatchError,
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InitError = (),
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> {
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pipeline_factory(|io: TcpStream| async {
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let peer_addr = io.peer_addr().ok();
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Ok((io, Protocol::Http1, peer_addr))
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})
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.and_then(self)
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}
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}
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#[cfg(feature = "openssl")]
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mod openssl {
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use super::*;
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use actix_service::ServiceFactoryExt;
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use actix_tls::accept::openssl::{Acceptor, SslAcceptor, SslError, TlsStream};
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use actix_tls::accept::TlsError;
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impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request, Config = (), Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service<Request>>::Future: 'static,
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U: ServiceFactory<
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(Request, Framed<TlsStream<TcpStream>, h1::Codec>),
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Config = (),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service<(Request, Framed<TlsStream<TcpStream>, h1::Codec>)>>::Future: 'static,
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{
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/// Create openssl based service
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pub fn openssl(
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self,
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acceptor: SslAcceptor,
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) -> impl ServiceFactory<
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TcpStream,
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Config = (),
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Response = (),
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Error = TlsError<SslError, DispatchError>,
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InitError = (),
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> {
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pipeline_factory(
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Acceptor::new(acceptor)
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.map_err(TlsError::Tls)
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.map_init_err(|_| panic!()),
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)
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.and_then(|io: TlsStream<TcpStream>| async {
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let proto = if let Some(protos) = io.ssl().selected_alpn_protocol() {
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if protos.windows(2).any(|window| window == b"h2") {
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Protocol::Http2
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} else {
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Protocol::Http1
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}
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} else {
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Protocol::Http1
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};
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let peer_addr = io.get_ref().peer_addr().ok();
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Ok((io, proto, peer_addr))
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})
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.and_then(self.map_err(TlsError::Service))
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}
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}
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}
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#[cfg(feature = "rustls")]
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mod rustls {
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use std::io;
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use actix_tls::accept::rustls::{Acceptor, ServerConfig, Session, TlsStream};
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use actix_tls::accept::TlsError;
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use super::*;
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use actix_service::ServiceFactoryExt;
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impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
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where
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request, Config = (), Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service<Request>>::Future: 'static,
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U: ServiceFactory<
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(Request, Framed<TlsStream<TcpStream>, h1::Codec>),
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Config = (),
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Response = (),
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>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service<(Request, Framed<TlsStream<TcpStream>, h1::Codec>)>>::Future: 'static,
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{
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/// Create openssl based service
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pub fn rustls(
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self,
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mut config: ServerConfig,
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) -> impl ServiceFactory<
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TcpStream,
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Config = (),
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Response = (),
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Error = TlsError<io::Error, DispatchError>,
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InitError = (),
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> {
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let protos = vec!["h2".to_string().into(), "http/1.1".to_string().into()];
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config.set_protocols(&protos);
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pipeline_factory(
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Acceptor::new(config)
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.map_err(TlsError::Tls)
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.map_init_err(|_| panic!()),
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)
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.and_then(|io: TlsStream<TcpStream>| async {
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let proto = if let Some(protos) = io.get_ref().1.get_alpn_protocol() {
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if protos.windows(2).any(|window| window == b"h2") {
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Protocol::Http2
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} else {
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Protocol::Http1
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}
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} else {
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Protocol::Http1
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};
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let peer_addr = io.get_ref().0.peer_addr().ok();
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Ok((io, proto, peer_addr))
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})
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.and_then(self.map_err(TlsError::Service))
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}
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}
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}
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impl<T, S, B, X, U> ServiceFactory<(T, Protocol, Option<net::SocketAddr>)>
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for HttpService<T, S, B, X, U>
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where
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T: AsyncRead + AsyncWrite + Unpin,
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S: ServiceFactory<Request, Config = ()>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request, Config = (), Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service<Request>>::Future: 'static,
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U: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>,
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U::Error: fmt::Display + Into<Error>,
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U::InitError: fmt::Debug,
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<U::Service as Service<(Request, Framed<T, h1::Codec>)>>::Future: 'static,
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{
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type Response = ();
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type Error = DispatchError;
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type Config = ();
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type Service = HttpServiceHandler<T, S::Service, B, X::Service, U::Service>;
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type InitError = ();
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type Future = HttpServiceResponse<T, S, B, X, U>;
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fn new_service(&self, _: ()) -> Self::Future {
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HttpServiceResponse {
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fut: self.srv.new_service(()),
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fut_ex: Some(self.expect.new_service(())),
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fut_upg: self.upgrade.as_ref().map(|f| f.new_service(())),
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expect: None,
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upgrade: None,
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on_connect_ext: self.on_connect_ext.clone(),
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cfg: self.cfg.clone(),
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_phantom: PhantomData,
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}
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}
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}
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#[doc(hidden)]
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#[pin_project]
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pub struct HttpServiceResponse<T, S, B, X, U>
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where
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S: ServiceFactory<Request>,
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X: ServiceFactory<Request>,
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U: ServiceFactory<(Request, Framed<T, h1::Codec>)>,
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{
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#[pin]
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fut: S::Future,
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#[pin]
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fut_ex: Option<X::Future>,
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#[pin]
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fut_upg: Option<U::Future>,
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expect: Option<X::Service>,
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upgrade: Option<U::Service>,
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on_connect_ext: Option<Rc<ConnectCallback<T>>>,
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cfg: ServiceConfig,
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_phantom: PhantomData<B>,
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}
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impl<T, S, B, X, U> Future for HttpServiceResponse<T, S, B, X, U>
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where
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T: AsyncRead + AsyncWrite + Unpin,
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S: ServiceFactory<Request>,
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S::Error: Into<Error> + 'static,
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S::InitError: fmt::Debug,
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S::Response: Into<Response<B>> + 'static,
|
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<S::Service as Service<Request>>::Future: 'static,
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B: MessageBody + 'static,
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X: ServiceFactory<Request, Response = Request>,
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X::Error: Into<Error>,
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X::InitError: fmt::Debug,
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<X::Service as Service<Request>>::Future: 'static,
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U: ServiceFactory<(Request, Framed<T, h1::Codec>), Response = ()>,
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U::Error: fmt::Display,
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U::InitError: fmt::Debug,
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<U::Service as Service<(Request, Framed<T, h1::Codec>)>>::Future: 'static,
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{
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type Output =
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Result<HttpServiceHandler<T, S::Service, B, X::Service, U::Service>, ()>;
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|
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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let mut this = self.as_mut().project();
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if let Some(fut) = this.fut_ex.as_pin_mut() {
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let expect = ready!(fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)))?;
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this = self.as_mut().project();
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*this.expect = Some(expect);
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this.fut_ex.set(None);
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}
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|
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if let Some(fut) = this.fut_upg.as_pin_mut() {
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let upgrade = ready!(fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)))?;
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this = self.as_mut().project();
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*this.upgrade = Some(upgrade);
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this.fut_upg.set(None);
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}
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|
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let result = ready!(this
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.fut
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.poll(cx)
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.map_err(|e| log::error!("Init http service error: {:?}", e)));
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|
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Poll::Ready(result.map(|service| {
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let this = self.as_mut().project();
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HttpServiceHandler::new(
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this.cfg.clone(),
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service,
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this.expect.take().unwrap(),
|
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this.upgrade.take(),
|
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this.on_connect_ext.clone(),
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)
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}))
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}
|
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}
|
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|
|
/// `Service` implementation for HTTP transport
|
|
pub struct HttpServiceHandler<T, S, B, X, U>
|
|
where
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S: Service<Request>,
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X: Service<Request>,
|
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U: Service<(Request, Framed<T, h1::Codec>)>,
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{
|
|
flow: Rc<HttpFlow<S, X, U>>,
|
|
cfg: ServiceConfig,
|
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on_connect_ext: Option<Rc<ConnectCallback<T>>>,
|
|
_phantom: PhantomData<B>,
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|
}
|
|
|
|
/// A collection of services that describe an HTTP request flow.
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|
pub(super) struct HttpFlow<S, X, U> {
|
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pub(super) service: S,
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pub(super) expect: X,
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pub(super) upgrade: Option<U>,
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}
|
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|
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impl<S, X, U> HttpFlow<S, X, U> {
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pub(super) fn new(service: S, expect: X, upgrade: Option<U>) -> Rc<Self> {
|
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Rc::new(Self {
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service,
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expect,
|
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upgrade,
|
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})
|
|
}
|
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}
|
|
|
|
impl<T, S, B, X, U> HttpServiceHandler<T, S, B, X, U>
|
|
where
|
|
S: Service<Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<(Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
fn new(
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|
cfg: ServiceConfig,
|
|
service: S,
|
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expect: X,
|
|
upgrade: Option<U>,
|
|
on_connect_ext: Option<Rc<ConnectCallback<T>>>,
|
|
) -> HttpServiceHandler<T, S, B, X, U> {
|
|
HttpServiceHandler {
|
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cfg,
|
|
on_connect_ext,
|
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flow: HttpFlow::new(service, expect, upgrade),
|
|
_phantom: PhantomData,
|
|
}
|
|
}
|
|
}
|
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|
|
impl<T, S, B, X, U> Service<(T, Protocol, Option<net::SocketAddr>)>
|
|
for HttpServiceHandler<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<(Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display + Into<Error>,
|
|
{
|
|
type Response = ();
|
|
type Error = DispatchError;
|
|
type Future = HttpServiceHandlerResponse<T, S, B, X, U>;
|
|
|
|
fn poll_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
|
|
let ready = self
|
|
.flow
|
|
.expect
|
|
.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready();
|
|
|
|
let ready = self
|
|
.flow
|
|
.service
|
|
.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready()
|
|
&& ready;
|
|
|
|
let ready = if let Some(ref upg) = self.flow.upgrade {
|
|
upg.poll_ready(cx)
|
|
.map_err(|e| {
|
|
let e = e.into();
|
|
log::error!("Http service readiness error: {:?}", e);
|
|
DispatchError::Service(e)
|
|
})?
|
|
.is_ready()
|
|
&& ready
|
|
} else {
|
|
ready
|
|
};
|
|
|
|
if ready {
|
|
Poll::Ready(Ok(()))
|
|
} else {
|
|
Poll::Pending
|
|
}
|
|
}
|
|
|
|
fn call(
|
|
&self,
|
|
(io, proto, peer_addr): (T, Protocol, Option<net::SocketAddr>),
|
|
) -> Self::Future {
|
|
let on_connect_data =
|
|
OnConnectData::from_io(&io, self.on_connect_ext.as_deref());
|
|
|
|
match proto {
|
|
Protocol::Http2 => HttpServiceHandlerResponse {
|
|
state: State::H2Handshake(Some((
|
|
handshake(io),
|
|
self.cfg.clone(),
|
|
self.flow.clone(),
|
|
on_connect_data,
|
|
peer_addr,
|
|
))),
|
|
},
|
|
|
|
Protocol::Http1 => HttpServiceHandlerResponse {
|
|
state: State::H1(h1::Dispatcher::new(
|
|
io,
|
|
self.cfg.clone(),
|
|
self.flow.clone(),
|
|
on_connect_data,
|
|
peer_addr,
|
|
)),
|
|
},
|
|
|
|
proto => unimplemented!("Unsupported HTTP version: {:?}.", proto),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[pin_project(project = StateProj)]
|
|
enum State<T, S, B, X, U>
|
|
where
|
|
S: Service<Request>,
|
|
S::Future: 'static,
|
|
S::Error: Into<Error>,
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
B: MessageBody,
|
|
X: Service<Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<(Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
H1(#[pin] h1::Dispatcher<T, S, B, X, U>),
|
|
H2(#[pin] Dispatcher<T, S, B, X, U>),
|
|
H2Handshake(
|
|
Option<(
|
|
Handshake<T, Bytes>,
|
|
ServiceConfig,
|
|
Rc<HttpFlow<S, X, U>>,
|
|
OnConnectData,
|
|
Option<net::SocketAddr>,
|
|
)>,
|
|
),
|
|
}
|
|
|
|
#[pin_project]
|
|
pub struct HttpServiceHandlerResponse<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody + 'static,
|
|
X: Service<Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<(Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
#[pin]
|
|
state: State<T, S, B, X, U>,
|
|
}
|
|
|
|
impl<T, S, B, X, U> Future for HttpServiceHandlerResponse<T, S, B, X, U>
|
|
where
|
|
T: AsyncRead + AsyncWrite + Unpin,
|
|
S: Service<Request>,
|
|
S::Error: Into<Error> + 'static,
|
|
S::Future: 'static,
|
|
S::Response: Into<Response<B>> + 'static,
|
|
B: MessageBody,
|
|
X: Service<Request, Response = Request>,
|
|
X::Error: Into<Error>,
|
|
U: Service<(Request, Framed<T, h1::Codec>), Response = ()>,
|
|
U::Error: fmt::Display,
|
|
{
|
|
type Output = Result<(), DispatchError>;
|
|
|
|
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
|
|
match self.as_mut().project().state.project() {
|
|
StateProj::H1(disp) => disp.poll(cx),
|
|
StateProj::H2(disp) => disp.poll(cx),
|
|
StateProj::H2Handshake(data) => {
|
|
match ready!(Pin::new(&mut data.as_mut().unwrap().0).poll(cx)) {
|
|
Ok(conn) => {
|
|
let (_, cfg, srv, on_connect_data, peer_addr) =
|
|
data.take().unwrap();
|
|
self.as_mut().project().state.set(State::H2(Dispatcher::new(
|
|
srv,
|
|
conn,
|
|
on_connect_data,
|
|
cfg,
|
|
peer_addr,
|
|
)));
|
|
self.poll(cx)
|
|
}
|
|
Err(err) => {
|
|
trace!("H2 handshake error: {}", err);
|
|
Poll::Ready(Err(err.into()))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|