mirror of
https://github.com/actix/actix-web.git
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97 lines
3.2 KiB
Rust
97 lines
3.2 KiB
Rust
//! simple composite service
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//! build: cargo run --example basic --features "ssl"
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//! to test: curl https://127.0.0.1:8443/ -k
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extern crate actix;
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extern crate actix_net;
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extern crate futures;
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extern crate openssl;
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extern crate tokio_io;
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extern crate tokio_openssl;
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extern crate tokio_tcp;
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use std::fmt;
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use std::sync::{
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atomic::{AtomicUsize, Ordering},
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Arc,
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};
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use futures::{future, Future};
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use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
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use tokio_io::{AsyncRead, AsyncWrite};
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use tokio_openssl::SslAcceptorExt;
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use actix_net::server::Server;
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use actix_net::service::{IntoNewService, NewServiceExt};
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/// Simple logger service, it just prints fact of the new connections
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fn logger<T: AsyncRead + AsyncWrite + fmt::Debug>(
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stream: T,
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) -> impl Future<Item = T, Error = ()> {
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println!("New connection: {:?}", stream);
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future::ok(stream)
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}
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/// Stateful service, counts number of connections, `ServiceState` is a state
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/// for the service
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#[derive(Debug)]
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struct ServiceState {
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num: Arc<AtomicUsize>,
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}
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/// Service function for our stateful service
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fn service<T: AsyncRead + AsyncWrite>(
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st: &mut ServiceState, _stream: T,
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) -> impl Future<Item = (), Error = ()> {
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let num = st.num.fetch_add(1, Ordering::Relaxed);
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println!("got ssl connection {:?}", num);
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future::ok(())
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}
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fn main() {
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let sys = actix::System::new("test");
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// load ssl keys
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let mut builder = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
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builder
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.set_private_key_file("./examples/key.pem", SslFiletype::PEM)
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.unwrap();
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builder
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.set_certificate_chain_file("./examples/cert.pem")
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.unwrap();
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let acceptor = builder.build();
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let num = Arc::new(AtomicUsize::new(0));
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// bind socket address and start workers. By default server uses number of
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// available logical cpu as threads count. actix net start separate
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// instances of service pipeline in each worker.
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Server::default()
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.bind(
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// configure service pipeline
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"0.0.0.0:8443",
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move || {
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let num = num.clone();
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let acceptor = acceptor.clone();
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// service for converting incoming TcpStream to a SslStream<TcpStream>
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(move |stream| {
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SslAcceptorExt::accept_async(&acceptor, stream)
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.map_err(|e| println!("Openssl error: {}", e))
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})
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// convert closure to a `NewService`
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.into_new_service()
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// .and_then() combinator uses other service to convert incoming `Request` to a
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// `Response` and then uses that response as an input for next
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// service. in this case, on success we use `logger` service
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.and_then(logger)
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// next service uses two components, service state and service function
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// actix-net generates `NewService` impl that creates `ServiceState` instance
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// for each new service and use `service` function as
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// `Service::call`
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.and_then((service, move || Ok(ServiceState { num: num.clone() })))
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},
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).unwrap()
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.start();
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sys.run();
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}
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