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d3e4089062385d47954f2af653f6fd62200eb9cd
hyper/tests/server.rs
Evan Simmons aac250f29d fix(server): panic on max_buf_size too small
2018-04-19 12:27:11 -07:00

1470 lines
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Rust
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#![deny(warnings)]
extern crate http;
extern crate hyper;
#[macro_use]
extern crate futures;
extern crate futures_timer;
extern crate net2;
extern crate spmc;
extern crate pretty_env_logger;
extern crate tokio;
extern crate tokio_io;
use std::net::{TcpStream, Shutdown, SocketAddr};
use std::io::{self, Read, Write};
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc;
use std::sync::{Arc, Mutex};
use std::net::{TcpListener as StdTcpListener};
use std::thread;
use std::time::Duration;
use futures::{Future, Stream};
use futures::future::{self, FutureResult, Either};
use futures::sync::oneshot;
use futures_timer::Delay;
use http::header::{HeaderName, HeaderValue};
use tokio::net::TcpListener;
use tokio::runtime::Runtime;
use tokio::reactor::Handle;
use tokio_io::{AsyncRead, AsyncWrite};
use hyper::{Body, Request, Response, StatusCode};
use hyper::server::conn::Http;
use hyper::service::{service_fn, Service};
fn tcp_bind(addr: &SocketAddr, handle: &Handle) -> ::tokio::io::Result<TcpListener> {
let std_listener = StdTcpListener::bind(addr).unwrap();
TcpListener::from_std(std_listener, handle)
}
#[test]
fn get_should_ignore_body() {
let server = serve();
let mut req = connect(server.addr());
// Connection: close = don't try to parse the body as a new request
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
I shouldn't be read.\r\n\
").unwrap();
req.read(&mut [0; 256]).unwrap();
assert_eq!(server.body(), b"");
}
#[test]
fn get_with_body() {
let server = serve();
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Content-Length: 19\r\n\
\r\n\
I'm a good request.\r\n\
").unwrap();
req.read(&mut [0; 256]).unwrap();
// note: doesn't include trailing \r\n, cause Content-Length wasn't 21
assert_eq!(server.body(), b"I'm a good request.");
}
#[test]
fn get_implicitly_empty() {
// See https://github.com/hyperium/hyper/issues/1373
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
\r\n\
").unwrap();
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new().serve_connection(socket, service_fn(|req: Request<Body>| {
req.into_body()
.concat2()
.map(|buf| {
assert!(buf.is_empty());
Response::new(Body::empty())
})
}))
});
fut.wait().unwrap();
}
mod response_body_lengths {
use super::*;
struct TestCase {
version: usize,
headers: &'static [(&'static str, &'static str)],
body: Bd,
expects_chunked: bool,
expects_con_len: bool,
}
enum Bd {
Known(&'static str),
Unknown(&'static str),
}
fn run_test(case: TestCase) {
assert!(case.version == 0 || case.version == 1, "TestCase.version must 0 or 1");
let server = serve();
let mut reply = server.reply();
for header in case.headers {
reply = reply.header(header.0, header.1);
}
let body_str = match case.body {
Bd::Known(b) => {
reply.body(b);
b
},
Bd::Unknown(b) => {
let (mut tx, body) = hyper::Body::channel();
tx.send_data(b.into()).expect("send_data");
reply.body_stream(body);
b
},
};
let mut req = connect(server.addr());
write!(req, "\
GET / HTTP/1.{}\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
", case.version).expect("request write");
let mut body = String::new();
req.read_to_string(&mut body).unwrap();
assert_eq!(
case.expects_chunked,
has_header(&body, "transfer-encoding:"),
"expects_chunked"
);
assert_eq!(
case.expects_con_len,
has_header(&body, "content-length:"),
"expects_con_len"
);
let n = body.find("\r\n\r\n").unwrap() + 4;
if case.expects_chunked {
let len = body.len();
assert_eq!(&body[n + 1..n + 3], "\r\n", "expected body chunk size header");
assert_eq!(&body[n + 3..len - 7], body_str, "expected body");
assert_eq!(&body[len - 7..], "\r\n0\r\n\r\n", "expected body final chunk size header");
} else {
assert_eq!(&body[n..], body_str, "expected body");
}
}
#[test]
fn get_fixed_response_known() {
run_test(TestCase {
version: 1,
headers: &[("content-length", "11")],
body: Bd::Known("foo bar baz"),
expects_chunked: false,
expects_con_len: true,
});
}
#[test]
fn get_fixed_response_unknown() {
run_test(TestCase {
version: 1,
headers: &[("content-length", "11")],
body: Bd::Unknown("foo bar baz"),
expects_chunked: false,
expects_con_len: true,
});
}
#[test]
fn get_chunked_response_known() {
run_test(TestCase {
version: 1,
headers: &[("transfer-encoding", "chunked")],
// even though we know the length, don't strip user's TE header
body: Bd::Known("foo bar baz"),
expects_chunked: true,
expects_con_len: false,
});
}
#[test]
fn get_chunked_response_unknown() {
run_test(TestCase {
version: 1,
headers: &[("transfer-encoding", "chunked")],
body: Bd::Unknown("foo bar baz"),
expects_chunked: true,
expects_con_len: false,
});
}
#[test]
fn get_chunked_response_trumps_length() {
run_test(TestCase {
version: 1,
headers: &[
("transfer-encoding", "chunked"),
// both headers means content-length is stripped
("content-length", "11"),
],
body: Bd::Known("foo bar baz"),
expects_chunked: true,
expects_con_len: false,
});
}
#[test]
fn get_auto_response_with_entity_unknown_length() {
run_test(TestCase {
version: 1,
// no headers means trying to guess from Payload
headers: &[],
body: Bd::Unknown("foo bar baz"),
expects_chunked: true,
expects_con_len: false,
});
}
#[test]
fn get_auto_response_with_entity_known_length() {
run_test(TestCase {
version: 1,
// no headers means trying to guess from Payload
headers: &[],
body: Bd::Known("foo bar baz"),
expects_chunked: false,
expects_con_len: true,
});
}
#[test]
fn http_10_get_auto_response_with_entity_unknown_length() {
run_test(TestCase {
version: 0,
// no headers means trying to guess from Payload
headers: &[],
body: Bd::Unknown("foo bar baz"),
expects_chunked: false,
expects_con_len: false,
});
}
#[test]
fn http_10_get_chunked_response() {
run_test(TestCase {
version: 0,
// http/1.0 should strip this header
headers: &[("transfer-encoding", "chunked")],
// even when we don't know the length
body: Bd::Unknown("foo bar baz"),
expects_chunked: false,
expects_con_len: false,
});
}
}
#[test]
fn get_chunked_response_with_ka() {
let foo_bar = b"foo bar baz";
let foo_bar_chunk = b"\r\nfoo bar baz\r\n0\r\n\r\n";
let server = serve();
server.reply()
.header("transfer-encoding", "chunked")
.body(foo_bar);
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: keep-alive\r\n\
\r\n\
").expect("writing 1");
let mut buf = [0; 1024 * 4];
let mut ntotal = 0;
loop {
let n = req.read(&mut buf[ntotal..]).expect("reading 1");
ntotal = ntotal + n;
assert!(ntotal < buf.len());
if &buf[ntotal - foo_bar_chunk.len()..ntotal] == foo_bar_chunk {
break;
}
}
// try again!
let quux = b"zar quux";
server.reply()
.header("content-length", quux.len().to_string())
.body(quux);
req.write_all(b"\
GET /quux HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
").expect("writing 2");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 2");
assert!(n > 0, "n = {}", n);
if n < buf.len() && n > 0 {
if &buf[n - quux.len()..n] == quux {
break;
}
}
}
}
#[test]
fn post_with_chunked_body() {
let server = serve();
let mut req = connect(server.addr());
req.write_all(b"\
POST / HTTP/1.1\r\n\
Host: example.domain\r\n\
Transfer-Encoding: chunked\r\n\
\r\n\
1\r\n\
q\r\n\
2\r\n\
we\r\n\
2\r\n\
rt\r\n\
0\r\n\
\r\n\
").unwrap();
req.read(&mut [0; 256]).unwrap();
assert_eq!(server.body(), b"qwert");
}
#[test]
fn post_with_incomplete_body() {
extern crate pretty_env_logger;
let _ = pretty_env_logger::try_init();
let server = serve();
let mut req = connect(server.addr());
req.write_all(b"\
POST / HTTP/1.1\r\n\
Host: example.domain\r\n\
Content-Length: 10\r\n\
\r\n\
12345\
").expect("write");
req.shutdown(Shutdown::Write).expect("shutdown write");
server.body_err();
req.read(&mut [0; 256]).expect("read");
}
#[test]
fn head_response_can_send_content_length() {
extern crate pretty_env_logger;
let _ = pretty_env_logger::try_init();
let server = serve();
server.reply()
.header("content-length", "1024");
let mut req = connect(server.addr());
req.write_all(b"\
HEAD / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
").unwrap();
let mut response = String::new();
req.read_to_string(&mut response).unwrap();
assert!(response.contains("content-length: 1024\r\n"));
let mut lines = response.lines();
assert_eq!(lines.next(), Some("HTTP/1.1 200 OK"));
let mut lines = lines.skip_while(|line| !line.is_empty());
assert_eq!(lines.next(), Some(""));
assert_eq!(lines.next(), None);
}
#[test]
fn response_does_not_set_chunked_if_body_not_allowed() {
extern crate pretty_env_logger;
let _ = pretty_env_logger::try_init();
let server = serve();
server.reply()
.status(hyper::StatusCode::NOT_MODIFIED)
.header("transfer-encoding", "chunked");
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
").unwrap();
let mut response = String::new();
req.read_to_string(&mut response).unwrap();
assert!(!response.contains("transfer-encoding"));
let mut lines = response.lines();
assert_eq!(lines.next(), Some("HTTP/1.1 304 Not Modified"));
// no body or 0\r\n\r\n
let mut lines = lines.skip_while(|line| !line.is_empty());
assert_eq!(lines.next(), Some(""));
assert_eq!(lines.next(), None);
}
#[test]
fn keep_alive() {
let foo_bar = b"foo bar baz";
let server = serve();
server.reply()
.header("content-length", foo_bar.len().to_string())
.body(foo_bar);
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
\r\n\
").expect("writing 1");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 1");
if n < buf.len() {
if &buf[n - foo_bar.len()..n] == foo_bar {
break;
}
}
}
// try again!
let quux = b"zar quux";
server.reply()
.header("content-length", quux.len().to_string())
.body(quux);
req.write_all(b"\
GET /quux HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
").expect("writing 2");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 2");
assert!(n > 0, "n = {}", n);
if n < buf.len() {
if &buf[n - quux.len()..n] == quux {
break;
}
}
}
}
#[test]
fn http_10_keep_alive() {
let foo_bar = b"foo bar baz";
let server = serve();
server.reply()
.header("content-length", foo_bar.len().to_string())
.body(foo_bar);
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.0\r\n\
Host: example.domain\r\n\
Connection: keep-alive\r\n\
\r\n\
").expect("writing 1");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 1");
if n < buf.len() {
if &buf[n - foo_bar.len()..n] == foo_bar {
break;
}
}
}
// try again!
let quux = b"zar quux";
server.reply()
.header("content-length", quux.len().to_string())
.body(quux);
req.write_all(b"\
GET /quux HTTP/1.0\r\n\
Host: example.domain\r\n\
\r\n\
").expect("writing 2");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 2");
assert!(n > 0, "n = {}", n);
if n < buf.len() {
if &buf[n - quux.len()..n] == quux {
break;
}
}
}
}
#[test]
fn disable_keep_alive() {
let foo_bar = b"foo bar baz";
let server = serve_with_options(ServeOptions {
keep_alive_disabled: true,
.. Default::default()
});
server.reply()
.header("content-length", foo_bar.len().to_string())
.body(foo_bar);
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: keep-alive\r\n\
\r\n\
").expect("writing 1");
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf[..]).expect("reading 1");
if n < buf.len() {
if &buf[n - foo_bar.len()..n] == foo_bar {
break;
} else {
}
}
}
// try again!
let quux = b"zar quux";
server.reply()
.header("content-length", quux.len().to_string())
.body(quux);
// the write can possibly succeed, since it fills the kernel buffer on the first write
let _ = req.write_all(b"\
GET /quux HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
");
let mut buf = [0; 1024 * 8];
match req.read(&mut buf[..]) {
// Ok(0) means EOF, so a proper shutdown
// Err(_) could mean ConnReset or something, also fine
Ok(0) |
Err(_) => {}
Ok(n) => {
panic!("read {} bytes on a disabled keep-alive socket", n);
}
}
}
#[test]
fn expect_continue() {
let server = serve();
let mut req = connect(server.addr());
server.reply();
req.write_all(b"\
POST /foo HTTP/1.1\r\n\
Host: example.domain\r\n\
Expect: 100-continue\r\n\
Content-Length: 5\r\n\
Connection: Close\r\n\
\r\n\
").expect("write 1");
let msg = b"HTTP/1.1 100 Continue\r\n\r\n";
let mut buf = vec![0; msg.len()];
req.read_exact(&mut buf).expect("read 1");
assert_eq!(buf, msg);
let msg = b"hello";
req.write_all(msg).expect("write 2");
let mut body = String::new();
req.read_to_string(&mut body).expect("read 2");
let body = server.body();
assert_eq!(body, msg);
}
#[test]
fn pipeline_disabled() {
let server = serve();
let mut req = connect(server.addr());
server.reply()
.header("content-length", "12")
.body("Hello World!");
server.reply()
.header("content-length", "12")
.body("Hello World!");
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
\r\n\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
\r\n\
").expect("write 1");
let mut buf = vec![0; 4096];
let n = req.read(&mut buf).expect("read 1");
assert_ne!(n, 0);
// Woah there. What?
//
// This test is wishy-washy because of race conditions in access of the
// socket. The test is still useful, since it allows for the responses
// to be received in 2 reads. But it might sometimes come in 1 read.
//
// TODO: add in a delay to the `ServeReply` interface, to allow this
// delay to prevent the 2 writes from happening before this test thread
// can read from the socket.
match req.read(&mut buf) {
Ok(n) => {
// won't be 0, because we didn't say to close, and so socket
// will be open until `server` drops
assert_ne!(n, 0);
}
Err(_) => (),
}
}
#[test]
fn pipeline_enabled() {
let server = serve_with_options(ServeOptions {
pipeline: true,
.. Default::default()
});
let mut req = connect(server.addr());
server.reply()
.header("content-length", "12")
.body("Hello World\n");
server.reply()
.header("content-length", "12")
.body("Hello World\n");
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
\r\n\
GET / HTTP/1.1\r\n\
Host: example.domain\r\n\
Connection: close\r\n\
\r\n\
").expect("write 1");
let mut buf = vec![0; 4096];
let n = req.read(&mut buf).expect("read 1");
assert_ne!(n, 0);
{
let mut lines = buf.split(|&b| b == b'\n');
assert_eq!(s(lines.next().unwrap()), "HTTP/1.1 200 OK\r");
assert_eq!(s(lines.next().unwrap()), "content-length: 12\r");
lines.next().unwrap(); // Date
assert_eq!(s(lines.next().unwrap()), "\r");
assert_eq!(s(lines.next().unwrap()), "Hello World");
assert_eq!(s(lines.next().unwrap()), "HTTP/1.1 200 OK\r");
assert_eq!(s(lines.next().unwrap()), "content-length: 12\r");
lines.next().unwrap(); // Date
assert_eq!(s(lines.next().unwrap()), "\r");
assert_eq!(s(lines.next().unwrap()), "Hello World");
}
// with pipeline enabled, both responses should have been in the first read
// so a second read should be EOF
let n = req.read(&mut buf).expect("read 2");
assert_eq!(n, 0);
}
#[test]
fn http_10_request_receives_http_10_response() {
let server = serve();
let mut req = connect(server.addr());
req.write_all(b"\
GET / HTTP/1.0\r\n\
\r\n\
").unwrap();
let expected = "HTTP/1.0 200 OK\r\ncontent-length: 0\r\n";
let mut buf = [0; 256];
let n = req.read(&mut buf).unwrap();
assert!(n >= expected.len(), "read: {:?} >= {:?}", n, expected.len());
assert_eq!(s(&buf[..expected.len()]), expected);
}
#[test]
fn disable_keep_alive_mid_request() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
let (tx1, rx1) = oneshot::channel();
let (tx2, rx2) = oneshot::channel();
let child = thread::spawn(move || {
let mut req = connect(&addr);
req.write_all(b"GET / HTTP/1.1\r\n").unwrap();
tx1.send(()).unwrap();
rx2.wait().unwrap();
req.write_all(b"Host: localhost\r\n\r\n").unwrap();
let mut buf = vec![];
req.read_to_end(&mut buf).unwrap();
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new().serve_connection(socket, HelloWorld)
.select2(rx1)
.then(|r| {
match r {
Ok(Either::A(_)) => panic!("expected rx first"),
Ok(Either::B(((), mut conn))) => {
conn.graceful_shutdown();
tx2.send(()).unwrap();
conn
}
Err(Either::A((e, _))) => panic!("unexpected error {}", e),
Err(Either::B((e, _))) => panic!("unexpected error {}", e),
}
})
});
fut.wait().unwrap();
child.join().unwrap();
}
#[test]
fn disable_keep_alive_post_request() {
let _ = pretty_env_logger::try_init();
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
let (tx1, rx1) = oneshot::channel();
let child = thread::spawn(move || {
let mut req = connect(&addr);
req.write_all(b"\
GET / HTTP/1.1\r\n\
Host: localhost\r\n\
\r\n\
").unwrap();
let mut buf = [0; 1024 * 8];
loop {
let n = req.read(&mut buf).expect("reading 1");
if &buf[n - HELLO.len()..n] == HELLO.as_bytes() {
break;
}
if n == 0 {
panic!("unexpected eof");
}
}
tx1.send(()).unwrap();
let nread = req.read(&mut buf).expect("keep-alive reading");
assert_eq!(nread, 0);
});
let dropped = Dropped::new();
let dropped2 = dropped.clone();
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.expect("accepted socket");
let transport = DebugStream {
stream: socket,
_debug: dropped2,
};
Http::new().serve_connection(transport, HelloWorld)
.select2(rx1)
.then(|r| {
match r {
Ok(Either::A(_)) => panic!("expected rx first"),
Ok(Either::B(((), mut conn))) => {
conn.graceful_shutdown();
conn
}
Err(Either::A((e, _))) => panic!("unexpected error {}", e),
Err(Either::B((e, _))) => panic!("unexpected error {}", e),
}
})
});
assert!(!dropped.load());
fut.wait().unwrap();
// we must poll the Core one more time in order for Windows to drop
// the read-blocked socket.
//
// See https://github.com/carllerche/mio/issues/776
let timeout = Delay::new(Duration::from_millis(10));
timeout.wait().unwrap();
assert!(dropped.load());
child.join().unwrap();
}
#[test]
fn empty_parse_eof_does_not_return_error() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let _tcp = connect(&addr);
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new().serve_connection(socket, HelloWorld)
});
fut.wait().unwrap();
}
#[test]
fn nonempty_parse_eof_returns_error() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"GET / HTTP/1.1").unwrap();
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new().serve_connection(socket, HelloWorld)
});
fut.wait().unwrap_err();
}
#[test]
fn returning_1xx_response_is_error() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"GET / HTTP/1.1\r\n\r\n").unwrap();
let mut buf = [0; 256];
tcp.read(&mut buf).unwrap();
let expected = "HTTP/1.1 500 ";
assert_eq!(s(&buf[..expected.len()]), expected);
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new()
.serve_connection(socket, service_fn(|_| {
Ok::<_, hyper::Error>(Response::builder()
.status(StatusCode::CONTINUE)
.body(Body::empty())
.unwrap())
}))
});
fut.wait().unwrap_err();
}
#[test]
fn upgrades() {
use tokio_io::io::{read_to_end, write_all};
let _ = pretty_env_logger::try_init();
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
let (tx, rx) = oneshot::channel();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"\
GET / HTTP/1.1\r\n\
Upgrade: foobar\r\n\
Connection: upgrade\r\n\
\r\n\
eagerly optimistic\
").expect("write 1");
let mut buf = [0; 256];
tcp.read(&mut buf).expect("read 1");
let expected = "HTTP/1.1 101 Switching Protocols\r\n";
assert_eq!(s(&buf[..expected.len()]), expected);
let _ = tx.send(());
let n = tcp.read(&mut buf).expect("read 2");
assert_eq!(s(&buf[..n]), "foo=bar");
tcp.write_all(b"bar=foo").expect("write 2");
});
let fut = listener.incoming()
.into_future()
.map_err(|_| -> hyper::Error { unreachable!() })
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
let conn = Http::new()
.serve_connection(socket, service_fn(|_| {
let res = Response::builder()
.status(101)
.header("upgrade", "foobar")
.body(hyper::Body::empty())
.unwrap();
Ok::<_, hyper::Error>(res)
}));
let mut conn_opt = Some(conn);
future::poll_fn(move || {
try_ready!(conn_opt.as_mut().unwrap().poll_without_shutdown());
// conn is done with HTTP now
Ok(conn_opt.take().unwrap().into())
})
});
let conn = fut.wait().unwrap();
// wait so that we don't write until other side saw 101 response
rx.wait().unwrap();
let parts = conn.into_parts();
let io = parts.io;
assert_eq!(parts.read_buf, "eagerly optimistic");
let io = write_all(io, b"foo=bar").wait().unwrap().0;
let vec = read_to_end(io, vec![]).wait().unwrap().1;
assert_eq!(vec, b"bar=foo");
}
#[test]
fn parse_errors_send_4xx_response() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"GE T / HTTP/1.1\r\n\r\n").unwrap();
let mut buf = [0; 256];
tcp.read(&mut buf).unwrap();
let expected = "HTTP/1.1 400 ";
assert_eq!(s(&buf[..expected.len()]), expected);
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new()
.serve_connection(socket, HelloWorld)
});
fut.wait().unwrap_err();
}
#[test]
fn illegal_request_length_returns_400_response() {
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"POST / HTTP/1.1\r\nContent-Length: foo\r\n\r\n").unwrap();
let mut buf = [0; 256];
tcp.read(&mut buf).unwrap();
let expected = "HTTP/1.1 400 ";
assert_eq!(s(&buf[..expected.len()]), expected);
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new()
.serve_connection(socket, HelloWorld)
});
fut.wait().unwrap_err();
}
#[test]
#[should_panic]
fn max_buf_size_panic_too_small() {
const MAX: usize = 8191;
Http::new().max_buf_size(MAX);
}
#[test]
fn max_buf_size_no_panic() {
const MAX: usize = 8193;
Http::new().max_buf_size(MAX);
}
#[test]
fn max_buf_size() {
let _ = pretty_env_logger::try_init();
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
const MAX: usize = 16_000;
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"POST /").expect("write 1");
tcp.write_all(&vec![b'a'; MAX]).expect("write 2");
let mut buf = [0; 256];
tcp.read(&mut buf).expect("read 1");
let expected = "HTTP/1.1 431 ";
assert_eq!(s(&buf[..expected.len()]), expected);
});
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new()
.max_buf_size(MAX)
.serve_connection(socket, HelloWorld)
});
fut.wait().unwrap_err();
}
#[test]
fn streaming_body() {
let _ = pretty_env_logger::try_init();
let runtime = Runtime::new().unwrap();
let listener = tcp_bind(&"127.0.0.1:0".parse().unwrap(), &runtime.reactor()).unwrap();
let addr = listener.local_addr().unwrap();
let (tx, rx) = oneshot::channel();
thread::spawn(move || {
let mut tcp = connect(&addr);
tcp.write_all(b"GET / HTTP/1.1\r\n\r\n").unwrap();
let mut buf = [0; 8192];
let mut sum = tcp.read(&mut buf).expect("read 1");
let expected = "HTTP/1.1 200 ";
assert_eq!(s(&buf[..expected.len()]), expected);
loop {
let n = tcp.read(&mut buf).expect("read loop");
sum += n;
if n == 0 {
break;
}
}
assert_eq!(sum, 100_789);
let _ = tx.send(());
});
let rx = rx.map_err(|_| panic!("thread panicked"));
let fut = listener.incoming()
.into_future()
.map_err(|_| unreachable!())
.and_then(|(item, _incoming)| {
let socket = item.unwrap();
Http::new()
.keep_alive(false)
.serve_connection(socket, service_fn(|_| {
static S: &'static [&'static [u8]] = &[&[b'x'; 1_000] as &[u8]; 1_00] as _;
let b = ::futures::stream::iter_ok::<_, String>(S.into_iter())
.map(|&s| s);
let b = hyper::Body::wrap_stream(b);
Ok::<_, hyper::Error>(Response::new(b))
}))
});
fut.join(rx).wait().unwrap();
}
// -------------------------------------------------
// the Server that is used to run all the tests with
// -------------------------------------------------
struct Serve {
addr: SocketAddr,
msg_rx: mpsc::Receiver<Msg>,
reply_tx: spmc::Sender<Reply>,
shutdown_signal: Option<oneshot::Sender<()>>,
thread: Option<thread::JoinHandle<()>>,
}
impl Serve {
fn addr(&self) -> &SocketAddr {
&self.addr
}
fn body(&self) -> Vec<u8> {
self.try_body().expect("body")
}
fn body_err(&self) -> hyper::Error {
self.try_body().expect_err("body_err")
}
fn try_body(&self) -> Result<Vec<u8>, hyper::Error> {
let mut buf = vec![];
loop {
match self.msg_rx.recv() {
Ok(Msg::Chunk(msg)) => {
buf.extend(&msg);
},
Ok(Msg::Error(e)) => return Err(e),
Ok(Msg::End) => break,
Err(e) => panic!("expected body, found: {:?}", e),
}
}
Ok(buf)
}
fn reply(&self) -> ReplyBuilder {
ReplyBuilder {
tx: &self.reply_tx
}
}
}
struct ReplyBuilder<'a> {
tx: &'a spmc::Sender<Reply>,
}
impl<'a> ReplyBuilder<'a> {
fn status(self, status: hyper::StatusCode) -> Self {
self.tx.send(Reply::Status(status)).unwrap();
self
}
fn header<V: AsRef<str>>(self, name: &str, value: V) -> Self {
let name = HeaderName::from_bytes(name.as_bytes()).expect("header name");
let value = HeaderValue::from_str(value.as_ref()).expect("header value");
self.tx.send(Reply::Header(name, value)).unwrap();
self
}
fn body<T: AsRef<[u8]>>(self, body: T) {
self.tx.send(Reply::Body(body.as_ref().to_vec().into())).unwrap();
}
fn body_stream(self, body: Body)
{
self.tx.send(Reply::Body(body)).unwrap();
}
}
impl<'a> Drop for ReplyBuilder<'a> {
fn drop(&mut self) {
let _ = self.tx.send(Reply::End);
}
}
impl Drop for Serve {
fn drop(&mut self) {
drop(self.shutdown_signal.take());
self.thread.take().unwrap().join().unwrap();
}
}
#[derive(Clone)]
struct TestService {
tx: Arc<Mutex<mpsc::Sender<Msg>>>,
reply: spmc::Receiver<Reply>,
_timeout: Option<Duration>,
}
#[derive(Debug)]
enum Reply {
Status(hyper::StatusCode),
Header(HeaderName, HeaderValue),
Body(hyper::Body),
End,
}
#[derive(Debug)]
enum Msg {
//Head(Request),
Chunk(Vec<u8>),
Error(hyper::Error),
End,
}
impl TestService {
// Box is needed until we can return `impl Future` from a fn
fn call(&self, req: Request<Body>) -> Box<Future<Item=Response<Body>, Error=hyper::Error> + Send> {
let tx1 = self.tx.clone();
let tx2 = self.tx.clone();
let replies = self.reply.clone();
Box::new(req.into_body().for_each(move |chunk| {
tx1.lock().unwrap().send(Msg::Chunk(chunk.to_vec())).unwrap();
Ok(())
}).then(move |result| {
let msg = match result {
Ok(()) => Msg::End,
Err(e) => Msg::Error(e),
};
tx2.lock().unwrap().send(msg).unwrap();
Ok(())
}).map(move |_| {
let mut res = Response::new(Body::empty());
while let Ok(reply) = replies.try_recv() {
match reply {
Reply::Status(s) => {
*res.status_mut() = s;
},
Reply::Header(name, value) => {
res.headers_mut().insert(name, value);
},
Reply::Body(body) => {
*res.body_mut() = body;
},
Reply::End => break,
}
}
res
}))
}
}
const HELLO: &'static str = "hello";
struct HelloWorld;
impl Service for HelloWorld {
type ReqBody = Body;
type ResBody = Body;
type Error = hyper::Error;
type Future = FutureResult<Response<Body>, Self::Error>;
fn call(&mut self, _req: Request<Body>) -> Self::Future {
let response = Response::new(HELLO.into());
future::ok(response)
}
}
fn connect(addr: &SocketAddr) -> TcpStream {
let req = TcpStream::connect(addr).unwrap();
req.set_read_timeout(Some(Duration::from_secs(1))).unwrap();
req.set_write_timeout(Some(Duration::from_secs(1))).unwrap();
req
}
fn serve() -> Serve {
serve_with_options(Default::default())
}
struct ServeOptions {
keep_alive_disabled: bool,
pipeline: bool,
timeout: Option<Duration>,
}
impl Default for ServeOptions {
fn default() -> Self {
ServeOptions {
keep_alive_disabled: false,
pipeline: false,
timeout: None,
}
}
}
fn serve_with_options(options: ServeOptions) -> Serve {
let _ = pretty_env_logger::try_init();
let (addr_tx, addr_rx) = mpsc::channel();
let (msg_tx, msg_rx) = mpsc::channel();
let (reply_tx, reply_rx) = spmc::channel();
let (shutdown_tx, shutdown_rx) = oneshot::channel();
let shutdown_rx = shutdown_rx.then(|_| Ok(()));
let addr = ([127, 0, 0, 1], 0).into();
let keep_alive = !options.keep_alive_disabled;
let pipeline = options.pipeline;
let dur = options.timeout;
let thread_name = format!("test-server-{:?}", dur);
let thread = thread::Builder::new().name(thread_name).spawn(move || {
let serve = Http::new()
.keep_alive(keep_alive)
.pipeline_flush(pipeline)
.serve_addr(&addr, move || {
let ts = TestService {
tx: Arc::new(Mutex::new(msg_tx.clone())),
_timeout: dur,
reply: reply_rx.clone(),
};
service_fn(move |req| ts.call(req))
})
.expect("bind to address");
addr_tx.send(
serve
.incoming_ref()
.local_addr()
).expect("server addr tx");
// spawn_all() is private for now, so just duplicate it here
let spawn_all = serve.for_each(|connecting| {
let fut = connecting
.map_err(|never| -> hyper::Error { match never {} })
.flatten()
.map_err(|e| println!("server error: {}", e));
tokio::spawn(fut);
Ok(())
}).map_err(|e| {
println!("accept error: {}", e)
});
let fut = spawn_all
.select(shutdown_rx)
.then(|_| Ok(()));
tokio::run(fut);
}).expect("thread spawn");
let addr = addr_rx.recv().expect("server addr rx");
Serve {
msg_rx: msg_rx,
reply_tx: reply_tx,
addr: addr,
shutdown_signal: Some(shutdown_tx),
thread: Some(thread),
}
}
fn s(buf: &[u8]) -> &str {
::std::str::from_utf8(buf).unwrap()
}
fn has_header(msg: &str, name: &str) -> bool {
let n = msg.find("\r\n\r\n").unwrap_or(msg.len());
msg[..n].contains(name)
}
struct DebugStream<T, D> {
stream: T,
_debug: D,
}
impl<T: Read, D> Read for DebugStream<T, D> {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.stream.read(buf)
}
}
impl<T: Write, D> Write for DebugStream<T, D> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.stream.write(buf)
}
fn flush(&mut self) -> io::Result<()> {
self.stream.flush()
}
}
impl<T: AsyncWrite, D> AsyncWrite for DebugStream<T, D> {
fn shutdown(&mut self) -> futures::Poll<(), io::Error> {
self.stream.shutdown()
}
}
impl<T: AsyncRead, D> AsyncRead for DebugStream<T, D> {}
#[derive(Clone)]
struct Dropped(Arc<AtomicBool>);
impl Dropped {
pub fn new() -> Dropped {
Dropped(Arc::new(AtomicBool::new(false)))
}
pub fn load(&self) -> bool {
self.0.load(Ordering::SeqCst)
}
}
impl Drop for Dropped {
fn drop(&mut self) {
self.0.store(true, Ordering::SeqCst);
}
}
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