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extern crate context;
extern crate mio;
extern crate slab;
#[allow(dead_code)]
#[allow(unused_variables)]
#[allow(unused_imports)]
mod fiber;
#[allow(dead_code)]
#[allow(unused_variables)]
#[allow(unused_imports)]
mod runner;
#[allow(dead_code)]
mod wheel;
#[allow(dead_code)]
mod builder;
pub use runner::Poller;
pub use fiber::{Fiber, FiberFn, FiberRef};
#[cfg(test)]
mod tests {
extern crate rand;
use super::*;
use mio::net::{TcpStream,TcpListener};
use std::io::{Write,Read};
use std::time::Duration;
use std::io;
use std::str;
#[derive(Clone)]
struct Param {
chosen: Option<String>,
hosts: Vec<String>,
}
fn get_http(mut fiber: Fiber<Param,&[u8]>, p: Param) -> Option<&[u8]> {
fiber.socket_timeout(Some(Duration::from_millis(500)));
let mut v = [0u8;500];
let req = format!("GET / HTTP/1.1\r\nHost: {}\r\nConnection: keep-alive\r\nUser-Agent: test\r\n\r\n",p.chosen.unwrap());
fiber.write(req.as_bytes()).expect("Can not write to socket");
loop {
match fiber.read(&mut v[..]) {
Ok(sz) => {
fiber.resp_chunk(&v[0..sz]);
}
Err(e) => {
assert_eq!(e.kind(), io::ErrorKind::TimedOut);
break;
}
}
}
println!("Client fiber closing");
None
}
fn rand_http_proxy(mut fiber: Fiber<Param,&[u8]>, p: Param) -> Option<&[u8]> {
fiber.socket_timeout(Some(Duration::from_millis(500)));
let chosen = rand::random::<usize>() % p.hosts.len();
let p1 = Param {
chosen: Some(p.hosts[chosen].clone()),
hosts: Vec::new(),
};
println!("Returning: {}", &p.hosts[chosen]);
let client_sock = TcpStream::from_stream(::std::net::TcpStream::connect(p.hosts[chosen].clone() + ":80").unwrap()).unwrap();
fiber.join_tcp(client_sock, get_http, p1);
while let Some(slice) = fiber.get_child() {
fiber.write(slice);
}
println!("Server socket fiber closing");
Some(&[])
}
fn sock_acceptor(mut fiber: Fiber<Param,&[u8]>, p: Param) -> Option<&[u8]> {
loop {
match fiber.accept_tcp() {
Ok((sock,_)) => {
fiber.new_tcp(sock,rand_http_proxy, p.clone());
}
_ => {
println!("Listen socket error");
break;
}
}
}
None
}
#[test]
fn it_works() {
println!("Starting random http proxy. To query call: curl \"http://127.0.0.1:10000\"");
rand::random::<u8>();
let p = Param {
chosen: None,
hosts: vec!["www.liquiddota.com".to_string(),"www.google.com".to_string(),
"www.sqlite.org".to_string(),"edition.cnn.com".to_string()],
};
let poll:Poller<Param,&[u8]> = Poller::new(Some(4096*3)).unwrap();
let listener = TcpListener::bind(&"127.0.0.1:10000".parse().unwrap()).unwrap();
poll.new_listener(listener, sock_acceptor, p).unwrap();
let mut reqs_remain = 3;
while reqs_remain > 0 {
if poll.poll(Duration::from_millis(10)) {
while let Some(r) = poll.get_response() {
println!("Finished executing, req_remain: {}", reqs_remain);
reqs_remain -= 1;
}
while let Some(f) = poll.get_fiber() {
}
}
}
println!("poll out");
}
}