56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
//#![deny(warnings)]
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extern crate futures;
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extern crate hyper;
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extern crate tokio;
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extern crate pretty_env_logger;
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use std::env;
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use std::io::{self, Write};
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use futures::{FutureExt, StreamExt};
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use futures::future::lazy;
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use hyper::{Body, Client, Request};
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fn main() {
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pretty_env_logger::init();
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let url = match env::args().nth(1) {
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Some(url) => url,
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None => {
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println!("Usage: client <url>");
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return;
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}
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};
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let url = url.parse::<hyper::Uri>().unwrap();
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if url.scheme_part().map(|s| s.as_ref()) != Some("http") {
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println!("This example only works with 'http' URLs.");
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return;
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}
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tokio::runtime::run2(lazy(move |_| {
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let client = Client::default();
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let mut req = Request::new(Body::empty());
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*req.uri_mut() = url;
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client.request(req).and_then(|res| {
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println!("Response: {}", res.status());
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println!("Headers: {:#?}", res.headers());
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res.into_parts().1.into_stream().for_each(|chunk| {
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io::stdout().write_all(&chunk).map_err(From::from)
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})
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}).then(|result| {
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if let Some(err) = result.err() {
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eprintln!("Error {}", err);
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} else {
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println!("\n\nDone.");
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}
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Ok(())
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})
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}));
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}
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