hyper-util/tests/legacy_client.rs

1062 lines
35 KiB
Rust

mod test_utils;
use std::io::{Read, Write};
use std::net::{SocketAddr, TcpListener};
use std::pin::Pin;
use std::sync::atomic::Ordering;
use std::sync::Arc;
use std::task::Poll;
use std::thread;
use std::time::Duration;
use futures_channel::{mpsc, oneshot};
use futures_util::future::{self, FutureExt, TryFutureExt};
use futures_util::stream::StreamExt;
use futures_util::{self, Stream};
use http_body_util::BodyExt;
use http_body_util::{Empty, Full, StreamBody};
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use hyper::body::Bytes;
use hyper::body::Frame;
use hyper::Request;
use hyper_util::client::legacy::connect::{capture_connection, HttpConnector};
use hyper_util::client::legacy::Client;
use hyper_util::rt::{TokioExecutor, TokioIo};
use test_utils::{DebugConnector, DebugStream};
pub fn runtime() -> tokio::runtime::Runtime {
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.expect("new rt")
}
fn s(buf: &[u8]) -> &str {
std::str::from_utf8(buf).expect("from_utf8")
}
#[cfg(not(miri))]
#[test]
fn drop_body_before_eof_closes_connection() {
// https://github.com/hyperium/hyper/issues/1353
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let (closes_tx, closes) = mpsc::channel::<()>(10);
let client = Client::builder(hyper_util::rt::TokioExecutor::new()).build(
DebugConnector::with_http_and_closes(HttpConnector::new(), closes_tx),
);
let (tx1, rx1) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
let body = vec![b'x'; 1024 * 128];
write!(
sock,
"HTTP/1.1 200 OK\r\nContent-Length: {}\r\n\r\n",
body.len()
)
.expect("write head");
let _ = sock.write_all(&body);
let _ = tx1.send(());
});
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req).map_ok(move |res| {
assert_eq!(res.status(), hyper::StatusCode::OK);
});
let rx = rx1;
rt.block_on(async move {
let (res, _) = future::join(res, rx).await;
res.unwrap();
tokio::time::sleep(Duration::from_secs(1)).await;
});
rt.block_on(closes.into_future()).0.expect("closes");
}
#[cfg(not(miri))]
#[tokio::test]
async fn drop_client_closes_idle_connections() {
let _ = pretty_env_logger::try_init();
let server = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, mut closes) = mpsc::channel(10);
let (tx1, rx1) = oneshot::channel();
let t1 = tokio::spawn(async move {
let mut sock = server.accept().await.unwrap().0;
let mut buf = [0; 4096];
sock.read(&mut buf).await.expect("read 1");
let body = [b'x'; 64];
let headers = format!("HTTP/1.1 200 OK\r\nContent-Length: {}\r\n\r\n", body.len());
sock.write_all(headers.as_bytes())
.await
.expect("write head");
sock.write_all(&body).await.expect("write body");
let _ = tx1.send(());
// prevent this thread from closing until end of test, so the connection
// stays open and idle until Client is dropped
match sock.read(&mut buf).await {
Ok(n) => assert_eq!(n, 0),
Err(_) => (),
}
});
let client = Client::builder(TokioExecutor::new()).build(DebugConnector::with_http_and_closes(
HttpConnector::new(),
closes_tx,
));
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req).map_ok(move |res| {
assert_eq!(res.status(), hyper::StatusCode::OK);
});
let rx = rx1;
let (res, _) = future::join(res, rx).await;
res.unwrap();
// not closed yet, just idle
future::poll_fn(|ctx| {
assert!(Pin::new(&mut closes).poll_next(ctx).is_pending());
Poll::Ready(())
})
.await;
// drop to start the connections closing
drop(client);
// and wait a few ticks for the connections to close
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(t, close).await;
t1.await.unwrap();
}
#[cfg(not(miri))]
#[tokio::test]
async fn drop_response_future_closes_in_progress_connection() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, closes) = mpsc::channel(10);
let (tx1, rx1) = oneshot::channel();
let (_client_drop_tx, client_drop_rx) = std::sync::mpsc::channel::<()>();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
// we never write a response head
// simulates a slow server operation
let _ = tx1.send(());
// prevent this thread from closing until end of test, so the connection
// stays open and idle until Client is dropped
let _ = client_drop_rx.recv();
});
let res = {
let client = Client::builder(TokioExecutor::new()).build(
DebugConnector::with_http_and_closes(HttpConnector::new(), closes_tx),
);
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
client.request(req).map(|_| unreachable!())
};
future::select(res, rx1).await;
// res now dropped
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(t, close).await;
}
#[cfg(not(miri))]
#[tokio::test]
async fn drop_response_body_closes_in_progress_connection() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, closes) = mpsc::channel(10);
let (tx1, rx1) = oneshot::channel();
let (_client_drop_tx, client_drop_rx) = std::sync::mpsc::channel::<()>();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
write!(
sock,
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n"
)
.expect("write head");
let _ = tx1.send(());
// prevent this thread from closing until end of test, so the connection
// stays open and idle until Client is dropped
let _ = client_drop_rx.recv();
});
let rx = rx1;
let res = {
let client = Client::builder(TokioExecutor::new()).build(
DebugConnector::with_http_and_closes(HttpConnector::new(), closes_tx),
);
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
// notably, haven't read body yet
client.request(req)
};
let (res, _) = future::join(res, rx).await;
// drop the body
res.unwrap();
// and wait a few ticks to see the connection drop
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(t, close).await;
}
#[cfg(not(miri))]
#[tokio::test]
async fn no_keep_alive_closes_connection() {
// https://github.com/hyperium/hyper/issues/1383
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, closes) = mpsc::channel(10);
let (tx1, rx1) = oneshot::channel();
let (_tx2, rx2) = std::sync::mpsc::channel::<()>();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.unwrap();
let _ = tx1.send(());
// prevent this thread from closing until end of test, so the connection
// stays open and idle until Client is dropped
let _ = rx2.recv();
});
let client = Client::builder(TokioExecutor::new())
.pool_max_idle_per_host(0)
.build(DebugConnector::with_http_and_closes(
HttpConnector::new(),
closes_tx,
));
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req).map_ok(move |res| {
assert_eq!(res.status(), hyper::StatusCode::OK);
});
let rx = rx1;
let (res, _) = future::join(res, rx).await;
res.unwrap();
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(close, t).await;
}
#[cfg(not(miri))]
#[tokio::test]
async fn socket_disconnect_closes_idle_conn() {
// notably when keep-alive is enabled
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, closes) = mpsc::channel(10);
let (tx1, rx1) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.unwrap();
let _ = tx1.send(());
});
let client = Client::builder(TokioExecutor::new()).build(DebugConnector::with_http_and_closes(
HttpConnector::new(),
closes_tx,
));
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req).map_ok(move |res| {
assert_eq!(res.status(), hyper::StatusCode::OK);
});
let rx = rx1;
let (res, _) = future::join(res, rx).await;
res.unwrap();
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(t, close).await;
}
#[cfg(not(miri))]
#[test]
fn connect_call_is_lazy() {
// We especially don't want connects() triggered if there's
// idle connections that the Checkout would have found
let _ = pretty_env_logger::try_init();
let _rt = runtime();
let connector = DebugConnector::new();
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector);
assert_eq!(connects.load(Ordering::Relaxed), 0);
let req = Request::builder()
.uri("http://hyper.local/a")
.body(Empty::<Bytes>::new())
.unwrap();
let _fut = client.request(req);
// internal Connect::connect should have been lazy, and not
// triggered an actual connect yet.
assert_eq!(connects.load(Ordering::Relaxed), 0);
}
#[cfg(not(miri))]
#[test]
fn client_keep_alive_0() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let connector = DebugConnector::new();
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
let (tx2, rx2) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
//drop(server);
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
let _ = tx1.send(());
let n2 = sock.read(&mut buf).expect("read 2");
assert_ne!(n2, 0);
let second_get = "GET /b HTTP/1.1\r\n";
assert_eq!(s(&buf[..second_get.len()]), second_get);
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 2");
let _ = tx2.send(());
});
assert_eq!(connects.load(Ordering::SeqCst), 0);
let rx = rx1;
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
assert_eq!(connects.load(Ordering::SeqCst), 1);
// sleep real quick to let the threadpool put connection in ready
// state and back into client pool
thread::sleep(Duration::from_millis(50));
let rx = rx2;
let req = Request::builder()
.uri(&*format!("http://{}/b", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
assert_eq!(
connects.load(Ordering::SeqCst),
1,
"second request should still only have 1 connect"
);
drop(client);
}
#[cfg(not(miri))]
#[test]
fn client_keep_alive_extra_body() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let connector = DebugConnector::new();
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
let (tx2, rx2) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 5\r\n\r\nhello")
.expect("write 1");
// the body "hello", while ignored because its a HEAD request, should mean the connection
// cannot be put back in the pool
let _ = tx1.send(());
let mut sock2 = server.accept().unwrap().0;
let n2 = sock2.read(&mut buf).expect("read 2");
assert_ne!(n2, 0);
let second_get = "GET /b HTTP/1.1\r\n";
assert_eq!(s(&buf[..second_get.len()]), second_get);
sock2
.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 2");
let _ = tx2.send(());
});
assert_eq!(connects.load(Ordering::Relaxed), 0);
let rx = rx1;
let req = Request::builder()
.method("HEAD")
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
assert_eq!(connects.load(Ordering::Relaxed), 1);
let rx = rx2;
let req = Request::builder()
.uri(&*format!("http://{}/b", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
assert_eq!(connects.load(Ordering::Relaxed), 2);
}
#[cfg(not(miri))]
#[tokio::test]
async fn client_keep_alive_when_response_before_request_body_ends() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let (closes_tx, mut closes) = mpsc::channel::<()>(10);
let connector = DebugConnector::with_http_and_closes(HttpConnector::new(), closes_tx);
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector.clone());
let (tx1, rx1) = oneshot::channel();
let (tx2, rx2) = oneshot::channel();
let (_tx3, rx3) = std::sync::mpsc::channel::<()>();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
// after writing the response, THEN stream the body
let _ = tx1.send(());
sock.read(&mut buf).expect("read 2");
let _ = tx2.send(());
// prevent this thread from closing until end of test, so the connection
// stays open and idle until Client is dropped
let _ = rx3.recv();
});
assert_eq!(connects.load(Ordering::Relaxed), 0);
let delayed_body = rx1
.then(|_| Box::pin(tokio::time::sleep(Duration::from_millis(200))))
.map(|_| Ok::<_, ()>(Frame::data(&b"hello a"[..])))
.map_err(|_| -> hyper::Error { panic!("rx1") })
.into_stream();
let req = Request::builder()
.method("POST")
.uri(&*format!("http://{}/a", addr))
.body(StreamBody::new(delayed_body))
.unwrap();
let res = client.request(req).map_ok(move |res| {
assert_eq!(res.status(), hyper::StatusCode::OK);
});
future::join(res, rx2).await.0.unwrap();
future::poll_fn(|ctx| {
assert!(Pin::new(&mut closes).poll_next(ctx).is_pending());
Poll::Ready(())
})
.await;
assert_eq!(connects.load(Ordering::Relaxed), 1);
drop(client);
let t = tokio::time::sleep(Duration::from_millis(100)).map(|_| panic!("time out"));
futures_util::pin_mut!(t);
let close = closes.into_future().map(|(opt, _)| opt.expect("closes"));
future::select(t, close).await;
}
#[cfg(not(miri))]
#[tokio::test]
async fn client_keep_alive_eager_when_chunked() {
// If a response body has been read to completion, with completion
// determined by some other factor, like decompression, and thus
// it is in't polled a final time to clear the final 0-len chunk,
// try to eagerly clear it so the connection can still be used.
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let connector = DebugConnector::new();
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
let (tx2, rx2) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
//drop(server);
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(
b"\
HTTP/1.1 200 OK\r\n\
transfer-encoding: chunked\r\n\
\r\n\
5\r\n\
hello\r\n\
0\r\n\r\n\
",
)
.expect("write 1");
let _ = tx1.send(());
let n2 = sock.read(&mut buf).expect("read 2");
assert_ne!(n2, 0, "bytes of second request");
let second_get = "GET /b HTTP/1.1\r\n";
assert_eq!(s(&buf[..second_get.len()]), second_get);
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 2");
let _ = tx2.send(());
});
assert_eq!(connects.load(Ordering::SeqCst), 0);
let rx = rx1;
let req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let fut = client.request(req);
let resp = future::join(fut, rx).map(|r| r.0).await.unwrap();
assert_eq!(connects.load(Ordering::SeqCst), 1);
assert_eq!(resp.status(), 200);
assert_eq!(resp.headers()["transfer-encoding"], "chunked");
// Read the "hello" chunk...
let chunk = resp.collect().await.unwrap().to_bytes();
assert_eq!(chunk, "hello");
// sleep real quick to let the threadpool put connection in ready
// state and back into client pool
tokio::time::sleep(Duration::from_millis(50)).await;
let rx = rx2;
let req = Request::builder()
.uri(&*format!("http://{}/b", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let fut = client.request(req);
future::join(fut, rx).map(|r| r.0).await.unwrap();
assert_eq!(
connects.load(Ordering::SeqCst),
1,
"second request should still only have 1 connect"
);
drop(client);
}
#[cfg(not(miri))]
#[test]
fn connect_proxy_sends_absolute_uri() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let connector = DebugConnector::new().proxy();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
//drop(server);
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
let n = sock.read(&mut buf).expect("read 1");
let expected = format!(
"GET http://{addr}/foo/bar HTTP/1.1\r\nhost: {addr}\r\n\r\n",
addr = addr
);
assert_eq!(s(&buf[..n]), expected);
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
let _ = tx1.send(());
});
let rx = rx1;
let req = Request::builder()
.uri(&*format!("http://{}/foo/bar", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
}
#[cfg(not(miri))]
#[test]
fn connect_proxy_http_connect_sends_authority_form() {
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let connector = DebugConnector::new().proxy();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
//drop(server);
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
let n = sock.read(&mut buf).expect("read 1");
let expected = format!(
"CONNECT {addr} HTTP/1.1\r\nhost: {addr}\r\n\r\n",
addr = addr
);
assert_eq!(s(&buf[..n]), expected);
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
let _ = tx1.send(());
});
let rx = rx1;
let req = Request::builder()
.method("CONNECT")
.uri(&*format!("http://{}/useless/path", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
}
#[cfg(not(miri))]
#[test]
fn client_upgrade() {
use tokio::io::{AsyncReadExt, AsyncWriteExt};
let _ = pretty_env_logger::try_init();
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let rt = runtime();
let connector = DebugConnector::new();
let client = Client::builder(TokioExecutor::new()).build(connector);
let (tx1, rx1) = oneshot::channel();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(
b"\
HTTP/1.1 101 Switching Protocols\r\n\
Upgrade: foobar\r\n\
\r\n\
foobar=ready\
",
)
.unwrap();
let _ = tx1.send(());
let n = sock.read(&mut buf).expect("read 2");
assert_eq!(&buf[..n], b"foo=bar");
sock.write_all(b"bar=foo").expect("write 2");
});
let rx = rx1;
let req = Request::builder()
.method("GET")
.uri(&*format!("http://{}/up", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
let res = rt.block_on(future::join(res, rx).map(|r| r.0)).unwrap();
assert_eq!(res.status(), 101);
let upgraded = rt.block_on(hyper::upgrade::on(res)).expect("on_upgrade");
let parts = upgraded.downcast::<DebugStream>().unwrap();
assert_eq!(s(&parts.read_buf), "foobar=ready");
let mut io = parts.io;
rt.block_on(io.write_all(b"foo=bar")).unwrap();
let mut vec = vec![];
rt.block_on(io.read_to_end(&mut vec)).unwrap();
assert_eq!(vec, b"bar=foo");
}
#[cfg(not(miri))]
#[test]
fn client_http2_upgrade() {
use http::{Method, Response, Version};
use hyper::service::service_fn;
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use tokio::net::TcpListener;
let _ = pretty_env_logger::try_init();
let rt = runtime();
let server = rt
.block_on(TcpListener::bind(SocketAddr::from(([127, 0, 0, 1], 0))))
.unwrap();
let addr = server.local_addr().unwrap();
let mut connector = DebugConnector::new();
connector.alpn_h2 = true;
let client = Client::builder(TokioExecutor::new()).build(connector);
rt.spawn(async move {
let (stream, _) = server.accept().await.expect("accept");
let stream = TokioIo::new(stream);
let mut builder = hyper_util::server::conn::auto::Builder::new(TokioExecutor::new());
// IMPORTANT: This is required to advertise our support for HTTP/2 websockets to the client.
builder.http2().enable_connect_protocol();
let _ = builder
.serve_connection_with_upgrades(
stream,
service_fn(|req| async move {
assert_eq!(req.headers().get("host"), None);
assert_eq!(req.version(), Version::HTTP_2);
assert_eq!(
req.headers().get(http::header::SEC_WEBSOCKET_VERSION),
Some(&http::header::HeaderValue::from_static("13"))
);
assert_eq!(
req.extensions().get::<hyper::ext::Protocol>(),
Some(&hyper::ext::Protocol::from_static("websocket"))
);
let on_upgrade = hyper::upgrade::on(req);
tokio::spawn(async move {
let upgraded = on_upgrade.await.unwrap();
let mut io = TokioIo::new(upgraded);
let mut vec = vec![];
io.read_buf(&mut vec).await.unwrap();
assert_eq!(vec, b"foo=bar");
io.write_all(b"bar=foo").await.unwrap();
});
Ok::<_, hyper::Error>(Response::new(Empty::<Bytes>::new()))
}),
)
.await
.expect("server");
});
let req = Request::builder()
.method(Method::CONNECT)
.uri(&*format!("http://{}/up", addr))
.header(http::header::SEC_WEBSOCKET_VERSION, "13")
.version(Version::HTTP_2)
.extension(hyper::ext::Protocol::from_static("websocket"))
.body(Empty::<Bytes>::new())
.unwrap();
let res = client.request(req);
let res = rt.block_on(res).unwrap();
assert_eq!(res.status(), http::StatusCode::OK);
assert_eq!(res.version(), Version::HTTP_2);
let upgraded = rt.block_on(hyper::upgrade::on(res)).expect("on_upgrade");
let mut io = TokioIo::new(upgraded);
rt.block_on(io.write_all(b"foo=bar")).unwrap();
let mut vec = vec![];
rt.block_on(io.read_to_end(&mut vec)).unwrap();
assert_eq!(vec, b"bar=foo");
}
#[cfg(not(miri))]
#[test]
fn alpn_h2() {
use http::Response;
use hyper::service::service_fn;
use tokio::net::TcpListener;
let _ = pretty_env_logger::try_init();
let rt = runtime();
let listener = rt
.block_on(TcpListener::bind(SocketAddr::from(([127, 0, 0, 1], 0))))
.unwrap();
let addr = listener.local_addr().unwrap();
let mut connector = DebugConnector::new();
connector.alpn_h2 = true;
let connects = connector.connects.clone();
let client = Client::builder(TokioExecutor::new()).build(connector);
rt.spawn(async move {
let (stream, _) = listener.accept().await.expect("accept");
let stream = TokioIo::new(stream);
let _ = hyper::server::conn::http2::Builder::new(TokioExecutor::new())
.serve_connection(
stream,
service_fn(|req| async move {
assert_eq!(req.headers().get("host"), None);
Ok::<_, hyper::Error>(Response::new(Full::<Bytes>::from("Hello, world")))
}),
)
.await
.expect("server");
});
assert_eq!(connects.load(Ordering::SeqCst), 0);
let url = format!("http://{}/a", addr)
.parse::<::hyper::Uri>()
.unwrap();
let res1 = client.get(url.clone());
let res2 = client.get(url.clone());
let res3 = client.get(url.clone());
rt.block_on(future::try_join3(res1, res2, res3)).unwrap();
// Since the client doesn't know it can ALPN at first, it will have
// started 3 connections. But, the server above will only handle 1,
// so the unwrapped responses futures show it still worked.
assert_eq!(connects.load(Ordering::SeqCst), 3);
let res4 = client.get(url.clone());
rt.block_on(res4).unwrap();
// HTTP/2 request allowed
let res5 = client.request(
Request::builder()
.uri(url)
.version(hyper::Version::HTTP_2)
.body(Empty::<Bytes>::new())
.unwrap(),
);
rt.block_on(res5).unwrap();
assert_eq!(
connects.load(Ordering::SeqCst),
3,
"after ALPN, no more connects"
);
drop(client);
}
#[cfg(not(miri))]
#[test]
fn capture_connection_on_client() {
let _ = pretty_env_logger::try_init();
let rt = runtime();
let connector = DebugConnector::new();
let client = Client::builder(TokioExecutor::new()).build(connector);
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
thread::spawn(move || {
let mut sock = server.accept().unwrap().0;
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
sock.read(&mut buf).expect("read 1");
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
});
let mut req = Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap();
let captured_conn = capture_connection(&mut req);
rt.block_on(client.request(req)).expect("200 OK");
assert!(captured_conn.connection_metadata().is_some());
}
#[cfg(not(miri))]
#[test]
fn connection_poisoning() {
use std::sync::atomic::AtomicUsize;
let _ = pretty_env_logger::try_init();
let rt = runtime();
let connector = DebugConnector::new();
let client = Client::builder(TokioExecutor::new()).build(connector);
let server = TcpListener::bind("127.0.0.1:0").unwrap();
let addr = server.local_addr().unwrap();
let num_conns: Arc<AtomicUsize> = Default::default();
let num_requests: Arc<AtomicUsize> = Default::default();
let num_requests_tracker = num_requests.clone();
let num_conns_tracker = num_conns.clone();
thread::spawn(move || loop {
let mut sock = server.accept().unwrap().0;
num_conns_tracker.fetch_add(1, Ordering::Relaxed);
let num_requests_tracker = num_requests_tracker.clone();
thread::spawn(move || {
sock.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
sock.set_write_timeout(Some(Duration::from_secs(5)))
.unwrap();
let mut buf = [0; 4096];
loop {
if sock.read(&mut buf).expect("read 1") > 0 {
num_requests_tracker.fetch_add(1, Ordering::Relaxed);
sock.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n")
.expect("write 1");
}
}
});
});
let make_request = || {
Request::builder()
.uri(&*format!("http://{}/a", addr))
.body(Empty::<Bytes>::new())
.unwrap()
};
let mut req = make_request();
let captured_conn = capture_connection(&mut req);
rt.block_on(client.request(req)).expect("200 OK");
assert_eq!(num_conns.load(Ordering::SeqCst), 1);
assert_eq!(num_requests.load(Ordering::SeqCst), 1);
rt.block_on(client.request(make_request())).expect("200 OK");
rt.block_on(client.request(make_request())).expect("200 OK");
// Before poisoning the connection is reused
assert_eq!(num_conns.load(Ordering::SeqCst), 1);
assert_eq!(num_requests.load(Ordering::SeqCst), 3);
captured_conn
.connection_metadata()
.as_ref()
.unwrap()
.poison();
rt.block_on(client.request(make_request())).expect("200 OK");
// After poisoning, a new connection is established
assert_eq!(num_conns.load(Ordering::SeqCst), 2);
assert_eq!(num_requests.load(Ordering::SeqCst), 4);
rt.block_on(client.request(make_request())).expect("200 OK");
// another request can still reuse:
assert_eq!(num_conns.load(Ordering::SeqCst), 2);
assert_eq!(num_requests.load(Ordering::SeqCst), 5);
}