Files
h2/examples/akamai.rs
2017-08-08 09:47:29 -07:00

83 lines
2.2 KiB
Rust

extern crate h2;
extern crate http;
extern crate futures;
extern crate tokio_io;
extern crate tokio_core;
extern crate tokio_openssl;
extern crate openssl;
extern crate io_dump;
extern crate env_logger;
use h2::client::Client;
use http::{method, Request};
use futures::*;
use tokio_core::reactor;
use tokio_core::net::TcpStream;
use std::net::ToSocketAddrs;
pub fn main() {
let _ = env_logger::init();
// Sync DNS resolution.
let addr = "http2.akamai.com:443".to_socket_addrs()
.unwrap().next().unwrap();
println!("ADDR: {:?}", addr);
let mut core = reactor::Core::new().unwrap();;
let handle = core.handle();
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)
.then(|res| {
let tls = res.unwrap();
assert_eq!(Some(&b"h2"[..]), tls.get_ref().ssl().selected_alpn_protocol());
// Dump output to stdout
let tls = io_dump::Dump::to_stdout(tls);
println!("Starting client handshake");
Client::handshake(tls)
})
.then(|res| {
let mut h2 = res.unwrap();
let request = Request::builder()
.method(method::GET)
.uri("https://http2.akamai.com/")
.body(()).unwrap();
let stream = h2.request(request, true).unwrap();
let stream = stream.and_then(|response| {
let (_, body) = response.into_parts();
body.for_each(|chunk| {
println!("RX: {:?}", chunk);
Ok(())
})
});
h2.join(stream)
})
});
core.run(tcp).unwrap();
}