tokio-rustls/examples/server.rs
2018-02-28 14:36:37 +08:00

92 lines
3.2 KiB
Rust

extern crate clap;
extern crate rustls;
extern crate futures;
extern crate tokio_io;
extern crate tokio;
extern crate webpki_roots;
extern crate tokio_rustls;
use std::sync::Arc;
use std::net::ToSocketAddrs;
use std::io::BufReader;
use std::fs::File;
use futures::{ Future, Stream };
use rustls::{ Certificate, NoClientAuth, PrivateKey, ServerConfig };
use rustls::internal::pemfile::{ certs, rsa_private_keys };
use tokio_io::{ io, AsyncRead };
use tokio::net::TcpListener;
use tokio::executor::current_thread;
use clap::{ App, Arg };
use tokio_rustls::ServerConfigExt;
fn app() -> App<'static, 'static> {
App::new("server")
.about("tokio-rustls server example")
.arg(Arg::with_name("addr").value_name("ADDR").required(true))
.arg(Arg::with_name("cert").short("c").long("cert").value_name("FILE").help("cert file.").required(true))
.arg(Arg::with_name("key").short("k").long("key").value_name("FILE").help("key file, rsa only.").required(true))
.arg(Arg::with_name("echo").short("e").long("echo-mode").help("echo mode."))
}
fn load_certs(path: &str) -> Vec<Certificate> {
certs(&mut BufReader::new(File::open(path).unwrap())).unwrap()
}
fn load_keys(path: &str) -> Vec<PrivateKey> {
rsa_private_keys(&mut BufReader::new(File::open(path).unwrap())).unwrap()
}
fn main() {
let matches = app().get_matches();
let addr = matches.value_of("addr").unwrap()
.to_socket_addrs().unwrap()
.next().unwrap();
let cert_file = matches.value_of("cert").unwrap();
let key_file = matches.value_of("key").unwrap();
let flag_echo = matches.occurrences_of("echo") > 0;
let mut config = ServerConfig::new(NoClientAuth::new());
config.set_single_cert(load_certs(cert_file), load_keys(key_file).remove(0));
let arc_config = Arc::new(config);
let socket = TcpListener::bind(&addr).unwrap();
let done = socket.incoming()
.for_each(move |stream| if flag_echo {
let addr = stream.peer_addr().ok();
let addr2 = addr.clone();
let done = arc_config.accept_async(stream)
.and_then(|stream| {
let (reader, writer) = stream.split();
io::copy(reader, writer)
})
.map(move |(n, ..)| println!("Echo: {} - {:?}", n, addr))
.map_err(move |err| println!("Error: {:?} - {:?}", err, addr2));
current_thread::spawn(done);
Ok(())
} else {
let addr = stream.peer_addr().ok();
let addr2 = addr.clone();
let done = arc_config.accept_async(stream)
.and_then(|stream| io::write_all(
stream,
&b"HTTP/1.0 200 ok\r\n\
Connection: close\r\n\
Content-length: 12\r\n\
\r\n\
Hello world!"[..]
))
.and_then(|(stream, _)| io::flush(stream))
.map(move |_| println!("Accept: {:?}", addr))
.map_err(move |err| println!("Error: {:?} - {:?}", err, addr2));
current_thread::spawn(done);
Ok(())
});
current_thread::run(|_| current_thread::spawn(done.map_err(drop)));
}