82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| use h2::client;
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| 
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| use futures::*;
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| use http::{Method, Request};
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| 
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| use tokio::net::TcpStream;
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| 
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| use rustls::Session;
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| use tokio_rustls::ClientConfigExt;
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| use webpki::DNSNameRef;
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| 
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| use std::net::ToSocketAddrs;
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| 
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| const ALPN_H2: &str = "h2";
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| 
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| pub fn main() {
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|     let _ = env_logger::try_init();
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| 
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|     let tls_client_config = std::sync::Arc::new({
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|         let mut c = rustls::ClientConfig::new();
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|         c.root_store
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|             .add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
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|         c.alpn_protocols.push(ALPN_H2.to_owned());
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|         c
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|     });
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| 
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|     // Sync DNS resolution.
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|     let addr = "http2.akamai.com:443"
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|         .to_socket_addrs()
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|         .unwrap()
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|         .next()
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|         .unwrap();
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| 
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|     println!("ADDR: {:?}", addr);
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| 
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|     let tcp = TcpStream::connect(&addr);
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|     let dns_name = DNSNameRef::try_from_ascii_str("http2.akamai.com").unwrap();
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| 
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|     let tcp = tcp.then(move |res| {
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|         let tcp = res.unwrap();
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|         tls_client_config
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|             .connect_async(dns_name, tcp)
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|             .then(|res| {
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|                 let tls = res.unwrap();
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|                 {
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|                     let (_, session) = tls.get_ref();
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|                     let negotiated_protocol = session.get_alpn_protocol();
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|                     assert_eq!(Some(ALPN_H2), negotiated_protocol.as_ref().map(|x| &**x));
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|                 }
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| 
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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 client, h2) = res.unwrap();
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| 
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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(())
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|                     .unwrap();
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| 
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|                 let (response, _) = client.send_request(request, true).unwrap();
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| 
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|                 let stream = response.and_then(|response| {
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|                     let (_, body) = response.into_parts();
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| 
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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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| 
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|                 h2.join(stream)
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|             })
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|     })
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|         .map_err(|e| eprintln!("ERROR: {:?}", e))
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|         .map(|((), ())| ());
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| 
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|     tokio::run(tcp);
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| }
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