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Switch Akamai example from rust-openssl to Rustls. (#24)

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With this change, h2 can build and run without any manual configuration steps for -msvc targets. Previously manual installation of OpenSSL libraries was required.
This commit is contained in:
Brian Smith
2017-08-16 18:43:35 -10:00
committed by Carl Lerche
parent 72f1d372af
commit 2992594552
2 changed files with 24 additions and 16 deletions
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35
examples/akamai.rs
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@@ -1,10 +1,11 @@
extern crate h2;
extern crate http;
extern crate futures;
extern crate rustls;
extern crate tokio_io;
extern crate tokio_core;
extern crate tokio_openssl;
extern crate openssl;
extern crate tokio_rustls;
extern crate webpki_roots;
extern crate io_dump;
extern crate env_logger;
@@ -16,11 +17,23 @@ use futures::*;
use tokio_core::reactor;
use tokio_core::net::TcpStream;
use rustls::Session;
use tokio_rustls::ClientConfigExt;
use std::net::ToSocketAddrs;
const ALPN_H2: &str = "h2";
pub fn main() {
let _ = env_logger::init();
let tls_client_config = std::sync::Arc::new({
let mut c = rustls::ClientConfig::new();
c.root_store.add_trust_anchors(&webpki_roots::ROOTS);
c.alpn_protocols.push(ALPN_H2.to_owned());
c
});
// Sync DNS resolution.
let addr = "http2.akamai.com:443".to_socket_addrs()
.unwrap().next().unwrap();
@@ -33,21 +46,15 @@ pub fn main() {
let tcp = TcpStream::connect(&addr, &handle);
let tcp = tcp.then(|res| {
use openssl::ssl::{SslMethod, SslConnectorBuilder};
use tokio_openssl::SslConnectorExt;
let tcp = res.unwrap();
// Does anyone know how TLS even works?
let mut b = SslConnectorBuilder::new(SslMethod::tls()).unwrap();
b.builder_mut().set_alpn_protocols(&[b"h2"]).unwrap();
let connector = b.build();
connector.connect_async("http2.akamai.com", tcp)
tls_client_config.connect_async("http2.akamai.com", tcp)
.then(|res| {
let tls = res.unwrap();
assert_eq!(Some(&b"h2"[..]), tls.get_ref().ssl().selected_alpn_protocol());
let negotiated_protcol = {
let (_, session) = tls.get_ref();
session.get_alpn_protocol()
};
assert_eq!(Some(ALPN_H2), negotiated_protcol.as_ref().map(|x| &**x));
// Dump output to stdout
let tls = io_dump::Dump::to_stdout(tls);