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Merge pull request #621 from hyperium/timeout

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feat(net): add socket timeouts to Server and Client
This commit is contained in:
Sean McArthur
2015-07-29 10:56:39 -07:00
parent 8a7cac5aba 7d1f154cb7
commit 0a59d7377c
11 changed files with 311 additions and 50 deletions
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43
src/client/mod.rs
View File

@@ -59,13 +59,16 @@ use std::default::Default;
use std::io::{self, copy, Read};
use std::iter::Extend;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use url::UrlParser;
use url::ParseError as UrlError;
use header::{Headers, Header, HeaderFormat};
use header::{ContentLength, Location};
use method::Method;
use net::{NetworkConnector, NetworkStream};
use net::{NetworkConnector, NetworkStream, Fresh};
use {Url};
use Error;
@@ -87,7 +90,9 @@ pub struct Client {
protocol: Box<Protocol + Send + Sync>,
redirect_policy: RedirectPolicy,
#[cfg(feature = "timeouts")]
read_timeout: Option<Duration>
read_timeout: Option<Duration>,
#[cfg(feature = "timeouts")]
write_timeout: Option<Duration>,
}
impl Client {
@@ -108,11 +113,23 @@ impl Client {
Client::with_protocol(Http11Protocol::with_connector(connector))
}
#[cfg(not(feature = "timeouts"))]
/// Create a new client with a specific `Protocol`.
pub fn with_protocol<P: Protocol + Send + Sync + 'static>(protocol: P) -> Client {
Client {
protocol: Box::new(protocol),
redirect_policy: Default::default()
redirect_policy: Default::default(),
}
}
#[cfg(feature = "timeouts")]
/// Create a new client with a specific `Protocol`.
pub fn with_protocol<P: Protocol + Send + Sync + 'static>(protocol: P) -> Client {
Client {
protocol: Box::new(protocol),
redirect_policy: Default::default(),
read_timeout: None,
write_timeout: None,
}
}
@@ -127,6 +144,12 @@ impl Client {
self.read_timeout = dur;
}
/// Set the write timeout value for all requests.
#[cfg(feature = "timeouts")]
pub fn set_write_timeout(&mut self, dur: Option<Duration>) {
self.write_timeout = dur;
}
/// Build a Get request.
pub fn get<U: IntoUrl>(&self, url: U) -> RequestBuilder<U> {
self.request(Method::Get, url)
@@ -236,6 +259,20 @@ impl<'a, U: IntoUrl> RequestBuilder<'a, U> {
let mut req = try!(Request::with_message(method.clone(), url.clone(), message));
headers.as_ref().map(|headers| req.headers_mut().extend(headers.iter()));
#[cfg(not(feature = "timeouts"))]
fn set_timeouts(_req: &mut Request<Fresh>, _client: &Client) -> ::Result<()> {
Ok(())
}
#[cfg(feature = "timeouts")]
fn set_timeouts(req: &mut Request<Fresh>, client: &Client) -> ::Result<()> {
try!(req.set_write_timeout(client.write_timeout));
try!(req.set_read_timeout(client.read_timeout));
Ok(())
}
try!(set_timeouts(&mut req, &client));
match (can_have_body, body.as_ref()) {
(true, Some(body)) => match body.size() {
Some(size) => req.headers_mut().set(ContentLength(size)),

15
src/client/pool.rs
View File

@@ -5,6 +5,9 @@ use std::io::{self, Read, Write};
use std::net::{SocketAddr, Shutdown};
use std::sync::{Arc, Mutex};
#[cfg(feature = "timeouts")]
use std::time::Duration;
use net::{NetworkConnector, NetworkStream, DefaultConnector};
/// The `NetworkConnector` that behaves as a connection pool used by hyper's `Client`.
@@ -153,6 +156,18 @@ impl<S: NetworkStream> NetworkStream for PooledStream<S> {
self.inner.as_mut().unwrap().1.peer_addr()
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.inner.as_ref().unwrap().1.set_read_timeout(dur)
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.inner.as_ref().unwrap().1.set_write_timeout(dur)
}
#[inline]
fn close(&mut self, how: Shutdown) -> io::Result<()> {
self.is_closed = true;

17
src/client/request.rs
View File

@@ -2,6 +2,9 @@
use std::marker::PhantomData;
use std::io::{self, Write};
#[cfg(feature = "timeouts")]
use std::time::Duration;
use url::Url;
use method::{self, Method};
@@ -39,6 +42,20 @@ impl<W> Request<W> {
/// Read the Request method.
#[inline]
pub fn method(&self) -> method::Method { self.method.clone() }
/// Set the write timeout.
#[cfg(feature = "timeouts")]
#[inline]
pub fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.message.set_write_timeout(dur)
}
/// Set the read timeout.
#[cfg(feature = "timeouts")]
#[inline]
pub fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.message.set_read_timeout(dur)
}
}
impl Request<Fresh> {

47
src/http/h1.rs
View File

@@ -4,6 +4,8 @@ use std::cmp::min;
use std::fmt;
use std::io::{self, Write, BufWriter, BufRead, Read};
use std::net::Shutdown;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use httparse;
@@ -192,6 +194,19 @@ impl HttpMessage for Http11Message {
})
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.get_ref().set_read_timeout(dur)
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.get_ref().set_write_timeout(dur)
}
#[inline]
fn close_connection(&mut self) -> ::Result<()> {
try!(self.get_mut().close(Shutdown::Both));
Ok(())
@@ -214,13 +229,27 @@ impl Http11Message {
/// Gets a mutable reference to the underlying `NetworkStream`, regardless of the state of the
/// `Http11Message`.
pub fn get_mut(&mut self) -> &mut Box<NetworkStream + Send> {
pub fn get_ref(&self) -> &(NetworkStream + Send) {
if self.stream.is_some() {
self.stream.as_mut().unwrap()
&**self.stream.as_ref().unwrap()
} else if self.writer.is_some() {
self.writer.as_mut().unwrap().get_mut().get_mut()
&**self.writer.as_ref().unwrap().get_ref().get_ref()
} else if self.reader.is_some() {
self.reader.as_mut().unwrap().get_mut().get_mut()
&**self.reader.as_ref().unwrap().get_ref().get_ref()
} else {
panic!("Http11Message lost its underlying stream somehow");
}
}
/// Gets a mutable reference to the underlying `NetworkStream`, regardless of the state of the
/// `Http11Message`.
pub fn get_mut(&mut self) -> &mut (NetworkStream + Send) {
if self.stream.is_some() {
&mut **self.stream.as_mut().unwrap()
} else if self.writer.is_some() {
&mut **self.writer.as_mut().unwrap().get_mut().get_mut()
} else if self.reader.is_some() {
&mut **self.reader.as_mut().unwrap().get_mut().get_mut()
} else {
panic!("Http11Message lost its underlying stream somehow");
}
@@ -344,6 +373,16 @@ impl<R: Read> HttpReader<R> {
}
}
/// Gets a borrowed reference to the underlying Reader.
pub fn get_ref(&self) -> &R {
match *self {
SizedReader(ref r, _) => r,
ChunkedReader(ref r, _) => r,
EofReader(ref r) => r,
EmptyReader(ref r) => r,
}
}
/// Gets a mutable reference to the underlying Reader.
pub fn get_mut(&mut self) -> &mut R {
match *self {

15
src/http/h2.rs
View File

@@ -4,6 +4,8 @@ use std::io::{self, Write, Read, Cursor};
use std::net::Shutdown;
use std::ascii::AsciiExt;
use std::mem;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use http::{
Protocol,
@@ -398,6 +400,19 @@ impl<S> HttpMessage for Http2Message<S> where S: CloneableStream {
Ok(head)
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, _dur: Option<Duration>) -> io::Result<()> {
Ok(())
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, _dur: Option<Duration>) -> io::Result<()> {
Ok(())
}
#[inline]
fn close_connection(&mut self) -> ::Result<()> {
Ok(())
}

13
src/http/message.rs
View File

@@ -1,12 +1,16 @@
//! Defines the `HttpMessage` trait that serves to encapsulate the operations of a single
//! request-response cycle on any HTTP connection.
use std::fmt::Debug;
use std::any::{Any, TypeId};
use std::fmt::Debug;
use std::io::{Read, Write};
use std::mem;
#[cfg(feature = "timeouts")]
use std::io;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use typeable::Typeable;
use header::Headers;
@@ -62,7 +66,10 @@ pub trait HttpMessage: Write + Read + Send + Any + Typeable + Debug {
fn get_incoming(&mut self) -> ::Result<ResponseHead>;
/// Set the read timeout duration for this message.
#[cfg(feature = "timeouts")]
fn set_read_timeout(&self, dur: Option<Duration>) -> ::Result<()>;
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()>;
/// Set the write timeout duration for this message.
#[cfg(feature = "timeouts")]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()>;
/// Closes the underlying HTTP connection.
fn close_connection(&mut self) -> ::Result<()>;
}

1
src/lib.rs
View File

@@ -2,6 +2,7 @@
#![cfg_attr(test, deny(missing_docs))]
#![cfg_attr(test, deny(warnings))]
#![cfg_attr(all(test, feature = "nightly"), feature(test))]
#![cfg_attr(feature = "timeouts", feature(duration, socket_timeout))]
//! # Hyper
//!

62
src/mock.rs
View File

@@ -4,6 +4,10 @@ use std::io::{self, Read, Write, Cursor};
use std::cell::RefCell;
use std::net::SocketAddr;
use std::sync::{Arc, Mutex};
#[cfg(feature = "timeouts")]
use std::time::Duration;
#[cfg(feature = "timeouts")]
use std::cell::Cell;
use solicit::http::HttpScheme;
use solicit::http::transport::TransportStream;
@@ -13,18 +17,14 @@ use solicit::http::connection::{HttpConnection, EndStream, DataChunk};
use header::Headers;
use net::{NetworkStream, NetworkConnector};
#[derive(Clone)]
pub struct MockStream {
pub read: Cursor<Vec<u8>>,
pub write: Vec<u8>,
}
impl Clone for MockStream {
fn clone(&self) -> MockStream {
MockStream {
read: Cursor::new(self.read.get_ref().clone()),
write: self.write.clone()
}
}
#[cfg(feature = "timeouts")]
pub read_timeout: Cell<Option<Duration>>,
#[cfg(feature = "timeouts")]
pub write_timeout: Cell<Option<Duration>>
}
impl fmt::Debug for MockStream {
@@ -41,18 +41,26 @@ impl PartialEq for MockStream {
impl MockStream {
pub fn new() -> MockStream {
MockStream {
read: Cursor::new(vec![]),
write: vec![],
}
MockStream::with_input(b"")
}
#[cfg(not(feature = "timeouts"))]
pub fn with_input(input: &[u8]) -> MockStream {
MockStream {
read: Cursor::new(input.to_vec()),
write: vec![]
}
}
#[cfg(feature = "timeouts")]
pub fn with_input(input: &[u8]) -> MockStream {
MockStream {
read: Cursor::new(input.to_vec()),
write: vec![],
read_timeout: Cell::new(None),
write_timeout: Cell::new(None),
}
}
}
impl Read for MockStream {
@@ -75,6 +83,18 @@ impl NetworkStream for MockStream {
fn peer_addr(&mut self) -> io::Result<SocketAddr> {
Ok("127.0.0.1:1337".parse().unwrap())
}
#[cfg(feature = "timeouts")]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.read_timeout.set(dur);
Ok(())
}
#[cfg(feature = "timeouts")]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.write_timeout.set(dur);
Ok(())
}
}
/// A wrapper around a `MockStream` that allows one to clone it and keep an independent copy to the
@@ -114,6 +134,16 @@ impl NetworkStream for CloneableMockStream {
fn peer_addr(&mut self) -> io::Result<SocketAddr> {
self.inner.lock().unwrap().peer_addr()
}
#[cfg(feature = "timeouts")]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.inner.lock().unwrap().set_read_timeout(dur)
}
#[cfg(feature = "timeouts")]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.inner.lock().unwrap().set_write_timeout(dur)
}
}
impl CloneableMockStream {
@@ -147,7 +177,6 @@ macro_rules! mock_connector (
fn connect(&self, host: &str, port: u16, scheme: &str)
-> $crate::Result<::mock::MockStream> {
use std::collections::HashMap;
use std::io::Cursor;
debug!("MockStream::connect({:?}, {:?}, {:?})", host, port, scheme);
let mut map = HashMap::new();
$(map.insert($url, $res);)*
@@ -156,10 +185,7 @@ macro_rules! mock_connector (
let key = format!("{}://{}", scheme, host);
// ignore port for now
match map.get(&*key) {
Some(&res) => Ok($crate::mock::MockStream {
write: vec![],
read: Cursor::new(res.to_owned().into_bytes()),
}),
Some(&res) => Ok($crate::mock::MockStream::with_input(res.as_bytes())),
None => panic!("{:?} doesn't know url {}", stringify!($name), key)
}
}

59
src/net.rs
View File

@@ -8,6 +8,9 @@ use std::mem;
#[cfg(feature = "openssl")]
pub use self::openssl::Openssl;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use typeable::Typeable;
use traitobject;
@@ -21,8 +24,6 @@ pub enum Streaming {}
pub trait NetworkListener: Clone {
/// The stream produced for each connection.
type Stream: NetworkStream + Send + Clone;
/// Listens on a socket.
//fn listen<To: ToSocketAddrs>(&mut self, addr: To) -> io::Result<Self::Acceptor>;
/// Returns an iterator of streams.
fn accept(&mut self) -> ::Result<Self::Stream>;
@@ -30,9 +31,6 @@ pub trait NetworkListener: Clone {
/// Get the address this Listener ended up listening on.
fn local_addr(&mut self) -> io::Result<SocketAddr>;
/// Closes the Acceptor, so no more incoming connections will be handled.
// fn close(&mut self) -> io::Result<()>;
/// Returns an iterator over incoming connections.
fn incoming(&mut self) -> NetworkConnections<Self> {
NetworkConnections(self)
@@ -53,6 +51,12 @@ impl<'a, N: NetworkListener + 'a> Iterator for NetworkConnections<'a, N> {
pub trait NetworkStream: Read + Write + Any + Send + Typeable {
/// Get the remote address of the underlying connection.
fn peer_addr(&mut self) -> io::Result<SocketAddr>;
/// Set the maximum time to wait for a read to complete.
#[cfg(feature = "timeouts")]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()>;
/// Set the maximum time to wait for a write to complete.
#[cfg(feature = "timeouts")]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()>;
/// This will be called when Stream should no longer be kept alive.
#[inline]
fn close(&mut self, _how: Shutdown) -> io::Result<()> {
@@ -222,6 +226,18 @@ impl NetworkStream for HttpStream {
self.0.peer_addr()
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.0.set_read_timeout(dur)
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.0.set_write_timeout(dur)
}
#[inline]
fn close(&mut self, how: Shutdown) -> io::Result<()> {
match self.0.shutdown(how) {
@@ -340,6 +356,24 @@ impl<S: NetworkStream> NetworkStream for HttpsStream<S> {
}
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
match *self {
HttpsStream::Http(ref inner) => inner.0.set_read_timeout(dur),
HttpsStream::Https(ref inner) => inner.set_read_timeout(dur)
}
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
match *self {
HttpsStream::Http(ref inner) => inner.0.set_read_timeout(dur),
HttpsStream::Https(ref inner) => inner.set_read_timeout(dur)
}
}
#[inline]
fn close(&mut self, how: Shutdown) -> io::Result<()> {
match *self {
@@ -425,6 +459,9 @@ mod openssl {
use std::net::{SocketAddr, Shutdown};
use std::path::Path;
use std::sync::Arc;
#[cfg(feature = "timeouts")]
use std::time::Duration;
use openssl::ssl::{Ssl, SslContext, SslStream, SslMethod, SSL_VERIFY_NONE};
use openssl::ssl::error::StreamError as SslIoError;
use openssl::ssl::error::SslError;
@@ -503,6 +540,18 @@ mod openssl {
self.get_mut().peer_addr()
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.get_ref().set_read_timeout(dur)
}
#[cfg(feature = "timeouts")]
#[inline]
fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
self.get_ref().set_write_timeout(dur)
}
fn close(&mut self, how: Shutdown) -> io::Result<()> {
self.get_mut().close(how)
}

85
src/server/mod.rs
View File

@@ -108,10 +108,13 @@
//! `Request<Streaming>` object, that no longer has `headers_mut()`, but does
//! implement `Write`.
use std::fmt;
use std::io::{ErrorKind, BufWriter, Write};
use std::io::{self, ErrorKind, BufWriter, Write};
use std::net::{SocketAddr, ToSocketAddrs};
use std::thread::{self, JoinHandle};
#[cfg(feature = "timeouts")]
use std::time::Duration;
use num_cpus;
pub use self::request::Request;
@@ -143,8 +146,20 @@ mod listener;
#[derive(Debug)]
pub struct Server<L = HttpListener> {
listener: L,
_timeouts: Timeouts,
}
#[cfg(feature = "timeouts")]
#[derive(Clone, Copy, Default, Debug)]
struct Timeouts {
read: Option<Duration>,
write: Option<Duration>,
}
#[cfg(not(feature = "timeouts"))]
#[derive(Clone, Copy, Default, Debug)]
struct Timeouts;
macro_rules! try_option(
($e:expr) => {{
match $e {
@@ -159,9 +174,22 @@ impl<L: NetworkListener> Server<L> {
#[inline]
pub fn new(listener: L) -> Server<L> {
Server {
listener: listener
listener: listener,
_timeouts: Timeouts::default(),
}
}
#[cfg(feature = "timeouts")]
pub fn set_read_timeout(&mut self, dur: Option<Duration>) {
self._timeouts.read = dur;
}
#[cfg(feature = "timeouts")]
pub fn set_write_timeout(&mut self, dur: Option<Duration>) {
self._timeouts.write = dur;
}
}
impl Server<HttpListener> {
@@ -183,24 +211,25 @@ impl<S: Ssl + Clone + Send> Server<HttpsListener<S>> {
impl<L: NetworkListener + Send + 'static> Server<L> {
/// Binds to a socket and starts handling connections.
pub fn handle<H: Handler + 'static>(self, handler: H) -> ::Result<Listening> {
with_listener(handler, self.listener, num_cpus::get() * 5 / 4)
self.handle_threads(handler, num_cpus::get() * 5 / 4)
}
/// Binds to a socket and starts handling connections with the provided
/// number of threads.
pub fn handle_threads<H: Handler + 'static>(self, handler: H,
threads: usize) -> ::Result<Listening> {
with_listener(handler, self.listener, threads)
handle(self, handler, threads)
}
}
fn with_listener<H, L>(handler: H, mut listener: L, threads: usize) -> ::Result<Listening>
fn handle<H, L>(mut server: Server<L>, handler: H, threads: usize) -> ::Result<Listening>
where H: Handler + 'static,
L: NetworkListener + Send + 'static {
let socket = try!(listener.local_addr());
let socket = try!(server.listener.local_addr());
debug!("threads = {:?}", threads);
let pool = ListenerPool::new(listener);
let work = move |mut stream| Worker(&handler).handle_connection(&mut stream);
let pool = ListenerPool::new(server.listener);
let worker = Worker::new(handler, server._timeouts);
let work = move |mut stream| worker.handle_connection(&mut stream);
let guard = thread::spawn(move || pool.accept(work, threads));
@@ -210,12 +239,28 @@ L: NetworkListener + Send + 'static {
})
}
struct Worker<'a, H: Handler + 'static>(&'a H);
struct Worker<H: Handler + 'static> {
handler: H,
_timeouts: Timeouts,
}
impl<'a, H: Handler + 'static> Worker<'a, H> {
impl<H: Handler + 'static> Worker<H> {
fn new(handler: H, timeouts: Timeouts) -> Worker<H> {
Worker {
handler: handler,
_timeouts: timeouts,
}
}
fn handle_connection<S>(&self, mut stream: &mut S) where S: NetworkStream + Clone {
debug!("Incoming stream");
if let Err(e) = self.set_timeouts(stream) {
error!("set_timeouts error: {:?}", e);
return;
}
let addr = match stream.peer_addr() {
Ok(addr) => addr,
Err(e) => {
@@ -233,6 +278,17 @@ impl<'a, H: Handler + 'static> Worker<'a, H> {
debug!("keep_alive loop ending for {}", addr);
}
#[cfg(not(feature = "timeouts"))]
fn set_timeouts<S>(&self, _: &mut S) -> io::Result<()> where S: NetworkStream {
Ok(())
}
#[cfg(feature = "timeouts")]
fn set_timeouts<S>(&self, s: &mut S) -> io::Result<()> where S: NetworkStream {
try!(s.set_read_timeout(self._timeouts.read));
s.set_write_timeout(self._timeouts.write)
}
fn keep_alive_loop<W: Write>(&self, mut rdr: BufReader<&mut NetworkStream>,
mut wrt: W, addr: SocketAddr) {
let mut keep_alive = true;
@@ -268,7 +324,7 @@ impl<'a, H: Handler + 'static> Worker<'a, H> {
{
let mut res = Response::new(&mut wrt, &mut res_headers);
res.version = version;
self.0.handle(req, res);
self.handler.handle(req, res);
}
// if the request was keep-alive, we need to check that the server agrees
@@ -284,7 +340,7 @@ impl<'a, H: Handler + 'static> Worker<'a, H> {
fn handle_expect<W: Write>(&self, req: &Request, wrt: &mut W) -> bool {
if req.version == Http11 && req.headers.get() == Some(&Expect::Continue) {
let status = self.0.check_continue((&req.method, &req.uri, &req.headers));
let status = self.handler.check_continue((&req.method, &req.uri, &req.headers));
match write!(wrt, "{} {}\r\n\r\n", Http11, status) {
Ok(..) => (),
Err(e) => {
@@ -327,7 +383,6 @@ impl Listening {
pub fn close(&mut self) -> ::Result<()> {
let _ = self._guard.take();
debug!("closing server");
//try!(self.acceptor.close());
Ok(())
}
}
@@ -379,7 +434,7 @@ mod tests {
res.start().unwrap().end().unwrap();
}
Worker(&handle).handle_connection(&mut mock);
Worker::new(handle, Default::default()).handle_connection(&mut mock);
let cont = b"HTTP/1.1 100 Continue\r\n\r\n";
assert_eq!(&mock.write[..cont.len()], cont);
let res = b"HTTP/1.1 200 OK\r\n";
@@ -408,7 +463,7 @@ mod tests {
1234567890\
");
Worker(&Reject).handle_connection(&mut mock);
Worker::new(Reject, Default::default()).handle_connection(&mut mock);
assert_eq!(mock.write, &b"HTTP/1.1 417 Expectation Failed\r\n\r\n"[..]);
}
}