extern crate env_logger;
extern crate futures;
extern crate tokio_io;
extern crate tokio_tcp;
use std::io::{Read, Write};
use std::net::TcpStream;
use std::thread;
use futures::stream::Stream;
use futures::Future;
use tokio_io::io::copy;
use tokio_io::AsyncRead;
use tokio_tcp::TcpListener;
macro_rules! t {
($e:expr) => {
match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with {:?}", stringify!($e), e),
}
};
}
#[test]
fn echo_server() {
drop(env_logger::try_init());
let srv = t!(TcpListener::bind(&t!("127.0.0.1:0".parse())));
let addr = t!(srv.local_addr());
let msg = "foo bar baz";
let t = thread::spawn(move || {
let mut s = TcpStream::connect(&addr).unwrap();
for _i in 0..1024 {
assert_eq!(t!(s.write(msg.as_bytes())), msg.len());
let mut buf = [0; 1024];
assert_eq!(t!(s.read(&mut buf)), msg.len());
assert_eq!(&buf[..msg.len()], msg.as_bytes());
}
});
let clients = srv.incoming();
let client = clients.into_future().map(|e| e.0.unwrap()).map_err(|e| e.0);
let halves = client.map(|s| s.split());
let copied = halves.and_then(|(a, b)| copy(a, b));
let (amt, _, _) = t!(copied.wait());
t.join().unwrap();
assert_eq!(amt, msg.len() as u64 * 1024);
}