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// Measure cost of different operations
// to get a sense of performance tradeoffs
#![feature(test)]
#![deny(warnings)]
extern crate test;
extern crate mio;
use test::Bencher;
use mio::tcp::TcpListener;
use mio::{Token, Ready, PollOpt};
#[bench]
fn mio_register_deregister(b: &mut Bencher) {
let addr = "127.0.0.1:0".parse().unwrap();
// Setup the server socket
let sock = TcpListener::bind(&addr).unwrap();
let poll = mio::Poll::new().unwrap();
const CLIENT: Token = Token(1);
b.iter(|| {
poll.register(&sock, CLIENT, Ready::readable(),
PollOpt::edge()).unwrap();
poll.deregister(&sock).unwrap();
});
}
#[bench]
fn mio_reregister(b: &mut Bencher) {
let addr = "127.0.0.1:0".parse().unwrap();
// Setup the server socket
let sock = TcpListener::bind(&addr).unwrap();
let poll = mio::Poll::new().unwrap();
const CLIENT: Token = Token(1);
poll.register(&sock, CLIENT, Ready::readable(),
PollOpt::edge()).unwrap();
b.iter(|| {
poll.reregister(&sock, CLIENT, Ready::readable(),
PollOpt::edge()).unwrap();
});
poll.deregister(&sock).unwrap();
}
#[bench]
fn mio_poll(b: &mut Bencher) {
let poll = mio::Poll::new().unwrap();
let timeout = std::time::Duration::new(0, 0);
let mut events = mio::Events::with_capacity(1024);
b.iter(|| {
poll.poll(&mut events, Some(timeout)).unwrap();
});
}
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