Files
hyper/examples/proxy.rs
2018-10-02 10:07:31 -07:00

45 lines
1.4 KiB
Rust

#![deny(warnings)]
extern crate hyper;
extern crate pretty_env_logger;
use hyper::{Client, Server};
use hyper::service::service_fn;
use hyper::rt::{self, Future};
use std::net::SocketAddr;
fn main() {
pretty_env_logger::init();
let in_addr = ([127, 0, 0, 1], 3001).into();
let out_addr: SocketAddr = ([127, 0, 0, 1], 3000).into();
let client_main = Client::new();
let out_addr_clone = out_addr.clone();
// new_service is run for each connection, creating a 'service'
// to handle requests for that specific connection.
let new_service = move || {
let client = client_main.clone();
// This is the `Service` that will handle the connection.
// `service_fn_ok` is a helper to convert a function that
// returns a Response into a `Service`.
service_fn(move |mut req| {
let uri_string = format!("http://{}/{}",
out_addr_clone,
req.uri().path_and_query().map(|x| x.as_str()).unwrap_or(""));
let uri = uri_string.parse().unwrap();
*req.uri_mut() = uri;
client.request(req)
})
};
let server = Server::bind(&in_addr)
.serve(new_service)
.map_err(|e| eprintln!("server error: {}", e));
println!("Listening on http://{}", in_addr);
println!("Proxying on http://{}", out_addr);
rt::run(server);
}