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#![doc(html_root_url="https://docs.rs/hyper-timeout-connector/0.1.0")]
#![warn(missing_docs)]
extern crate hyper;
extern crate socket2;
use hyper::net::{NetworkConnector, HttpStream};
use std::time::Duration;
use std::net::{TcpStream, SocketAddr, ToSocketAddrs};
use socket2::{SockAddr, Socket, Domain, Type};
use std::io;
pub struct HttpTimeoutConnector {
connect_timeout: Option<Duration>,
}
impl HttpTimeoutConnector {
pub fn new() -> HttpTimeoutConnector {
HttpTimeoutConnector { connect_timeout: None }
}
pub fn connect_timeout(&self) -> Option<Duration> {
self.connect_timeout
}
pub fn set_connect_timeout(&mut self, timeout: Option<Duration>) {
self.connect_timeout = timeout;
}
fn connect_once(&self, addr: &SocketAddr) -> io::Result<TcpStream> {
let domain = match *addr {
SocketAddr::V4(_) => Domain::ipv4(),
SocketAddr::V6(_) => Domain::ipv6(),
};
let socket = Socket::new(domain, Type::stream(), None)?;
let addr = SockAddr::from(*addr);
match self.connect_timeout {
Some(timeout) => socket.connect_timeout(&addr, timeout)?,
None => socket.connect(&addr)?,
}
Ok(socket.into())
}
}
impl NetworkConnector for HttpTimeoutConnector {
type Stream = HttpStream;
fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::Result<HttpStream> {
if scheme != "http" {
return Err(io::Error::new(io::ErrorKind::InvalidInput, "invalid scheme for http")
.into());
}
let mut last_err = None;
for addr in (host, port).to_socket_addrs()? {
match self.connect_once(&addr) {
Ok(l) => return Ok(HttpStream(l)),
Err(e) => last_err = Some(e),
}
}
Err(last_err
.unwrap_or_else(|| {
io::Error::new(io::ErrorKind::InvalidInput,
"could not resolve to any addresses")
})
.into())
}
}
#[cfg(test)]
mod test {
use hyper::{self, Client};
use super::*;
#[test]
fn timeout() {
let mut connector = HttpTimeoutConnector::new();
connector.set_connect_timeout(Some(Duration::from_millis(250)));
let client = Client::with_connector(connector);
match client.get("http://10.255.255.1:80").send() {
Ok(_) => panic!("unexpected success"),
Err(hyper::Error::Io(ref e)) if e.kind() == io::ErrorKind::TimedOut => {}
Err(e) => panic!("unexpected error {:?}", e),
}
}
#[test]
fn ok() {
let mut connector = HttpTimeoutConnector::new();
connector.set_connect_timeout(Some(Duration::from_millis(250)));
let client = Client::with_connector(connector);
client.get("http://google.com").send().unwrap();
}
}