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extern crate env_logger;
extern crate futures;
extern crate tokio;
extern crate tokio_io;
use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering::Relaxed;
use std::sync::Arc;
use std::{io, thread};
use futures::prelude::*;
use tokio::net::{TcpListener, TcpStream};
use tokio::runtime::Runtime;
macro_rules! t {
($e:expr) => {
match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with {:?}", stringify!($e), e),
}
};
}
#[test]
fn hammer_old() {
let _ = env_logger::try_init();
let threads = (0..10)
.map(|_| {
thread::spawn(|| {
let srv = t!(TcpListener::bind(&"127.0.0.1:0".parse().unwrap()));
let addr = t!(srv.local_addr());
let mine = TcpStream::connect(&addr);
let theirs = srv
.incoming()
.into_future()
.map(|(s, _)| s.unwrap())
.map_err(|(s, _)| s);
let (mine, theirs) = t!(mine.join(theirs).wait());
assert_eq!(t!(mine.local_addr()), t!(theirs.peer_addr()));
assert_eq!(t!(theirs.local_addr()), t!(mine.peer_addr()));
})
})
.collect::<Vec<_>>();
for thread in threads {
thread.join().unwrap();
}
}
struct Rd(Arc<TcpStream>);
struct Wr(Arc<TcpStream>);
impl io::Read for Rd {
fn read(&mut self, dst: &mut [u8]) -> io::Result<usize> {
<&TcpStream>::read(&mut &*self.0, dst)
}
}
impl tokio_io::AsyncRead for Rd {}
impl io::Write for Wr {
fn write(&mut self, src: &[u8]) -> io::Result<usize> {
<&TcpStream>::write(&mut &*self.0, src)
}
fn flush(&mut self) -> io::Result<()> {
Ok(())
}
}
impl tokio_io::AsyncWrite for Wr {
fn shutdown(&mut self) -> Poll<(), io::Error> {
Ok(().into())
}
}
#[test]
fn hammer_split() {
use tokio_io::io;
const N: usize = 100;
const ITER: usize = 10;
let _ = env_logger::try_init();
for _ in 0..ITER {
let srv = t!(TcpListener::bind(&"127.0.0.1:0".parse().unwrap()));
let addr = t!(srv.local_addr());
let cnt = Arc::new(AtomicUsize::new(0));
let mut rt = Runtime::new().unwrap();
fn split(socket: TcpStream, cnt: Arc<AtomicUsize>) {
let socket = Arc::new(socket);
let rd = Rd(socket.clone());
let wr = Wr(socket);
let cnt2 = cnt.clone();
let rd = io::read(rd, vec![0; 1])
.map(move |_| {
cnt2.fetch_add(1, Relaxed);
})
.map_err(|e| panic!("read error = {:?}", e));
let wr = io::write_all(wr, b"1")
.map(move |_| {
cnt.fetch_add(1, Relaxed);
})
.map_err(move |e| panic!("write error = {:?}", e));
tokio::spawn(rd);
tokio::spawn(wr);
}
rt.spawn({
let cnt = cnt.clone();
srv.incoming()
.map_err(|e| panic!("accept error = {:?}", e))
.take(N as u64)
.for_each(move |socket| {
split(socket, cnt.clone());
Ok(())
})
});
for _ in 0..N {
rt.spawn({
let cnt = cnt.clone();
TcpStream::connect(&addr)
.map_err(move |e| panic!("connect error = {:?}", e))
.map(move |socket| split(socket, cnt))
});
}
rt.shutdown_on_idle().wait().unwrap();
assert_eq!(N * 4, cnt.load(Relaxed));
}
}
|
