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use std::env;
use http_body_util::Empty;
use hyper::Request;
use hyper_util::client::legacy::{connect::HttpConnector, Client};
#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let url = match env::args().nth(1) {
Some(url) => url,
None => {
eprintln!("Usage: client <url>");
return Ok(());
}
};
// HTTPS requires picking a TLS implementation, so give a better
// warning if the user tries to request an 'https' URL.
let url = url.parse::<hyper::Uri>()?;
if url.scheme_str() != Some("http") {
eprintln!("This example only works with 'http' URLs.");
return Ok(());
}
let client = Client::builder(hyper_util::rt::TokioExecutor::new()).build(HttpConnector::new());
let req = Request::builder()
.uri(url)
.body(Empty::<bytes::Bytes>::new())?;
let resp = client.request(req).await?;
eprintln!("{:?} {:?}", resp.version(), resp.status());
eprintln!("{:#?}", resp.headers());
Ok(())
}
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