/
tcp-stress.rs
77 lines (70 loc) · 2.33 KB
/
tcp-stress.rs
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// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-linux see joyent/libuv#1189
// ignore-android needs extra network permissions
// exec-env:RUST_LOG=debug
#![feature(phase)]
#[phase(plugin, link)]
extern crate log;
extern crate libc;
use std::io::net::tcp::{TcpListener, TcpStream};
use std::io::{Acceptor, Listener};
use std::task::TaskBuilder;
use std::time::Duration;
fn main() {
// This test has a chance to time out, try to not let it time out
spawn(proc() {
use std::io::timer;
timer::sleep(Duration::milliseconds(30 * 1000));
println!("timed out!");
unsafe { libc::exit(1) }
});
let (tx, rx) = channel();
spawn(proc() {
let mut listener = TcpListener::bind("127.0.0.1:0").unwrap();
tx.send(listener.socket_name().unwrap());
let mut acceptor = listener.listen();
loop {
let mut stream = match acceptor.accept() {
Ok(stream) => stream,
Err(error) => {
debug!("accept panicked: {}", error);
continue;
}
};
stream.read_byte();
stream.write(&[2]);
}
});
let addr = rx.recv();
let (tx, rx) = channel();
for _ in range(0u, 1000) {
let tx = tx.clone();
TaskBuilder::new().stack_size(64 * 1024).spawn(proc() {
match TcpStream::connect(addr) {
Ok(stream) => {
let mut stream = stream;
stream.write(&[1]);
let mut buf = [0];
stream.read(&mut buf);
},
Err(e) => debug!("{}", e)
}
tx.send(());
});
}
// Wait for all clients to exit, but don't wait for the server to exit. The
// server just runs infinitely.
drop(tx);
for _ in range(0u, 1000) {
rx.recv();
}
unsafe { libc::exit(0) }
}