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