7c287af0d0
* Release stream capacity back to the connection to avoid capacity leaks. * Actually notify waiting tasks when capacity becomes available.
1096 lines
33 KiB
Rust
1096 lines
33 KiB
Rust
#[macro_use]
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pub mod support;
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use support::prelude::*;
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// In this case, the stream & connection both have capacity, but capacity is not
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// explicitly requested.
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#[test]
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fn send_data_without_requesting_capacity() {
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let _ = ::env_logger::init();
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let payload = [0; 1024];
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let mock = mock_io::Builder::new()
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.handshake()
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.write(&[
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// POST /
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0, 0, 16, 1, 4, 0, 0, 0, 1, 131, 135, 65, 139, 157, 41,
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172, 75, 143, 168, 233, 25, 151, 33, 233, 132,
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])
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.write(&[
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// DATA
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0, 4, 0, 0, 1, 0, 0, 0, 1,
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])
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.write(&payload[..])
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.write(frames::SETTINGS_ACK)
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// Read response
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.read(&[0, 0, 1, 1, 5, 0, 0, 0, 1, 0x89])
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.build();
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let (mut client, mut h2) = Client::handshake(mock).wait().unwrap();
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let request = Request::builder()
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.method(Method::POST)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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let mut stream = client.send_request(request, false).unwrap();
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// The capacity should be immediately allocated
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assert_eq!(stream.capacity(), 0);
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// Send the data
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stream.send_data(payload[..].into(), true).unwrap();
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// Get the response
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let resp = h2.run(poll_fn(|| stream.poll_response())).unwrap();
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assert_eq!(resp.status(), StatusCode::NO_CONTENT);
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h2.wait().unwrap();
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}
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#[test]
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fn release_capacity_sends_window_update() {
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let _ = ::env_logger::init();
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let payload = vec![0u8; 16_384];
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let (io, srv) = mock::new();
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let mock = srv.assert_client_handshake().unwrap()
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.recv_settings()
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.recv_frame(
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frames::headers(1)
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.request("GET", "https://http2.akamai.com/")
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.eos()
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)
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.send_frame(
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frames::headers(1)
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.response(200)
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)
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.send_frame(frames::data(1, &payload[..]))
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.send_frame(frames::data(1, &payload[..]))
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.send_frame(frames::data(1, &payload[..]))
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.recv_frame(
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frames::window_update(0, 32_768)
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)
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.recv_frame(
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frames::window_update(1, 32_768)
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)
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.send_frame(frames::data(1, &payload[..]).eos())
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// gotta end the connection
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.map(drop);
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let h2 = Client::handshake(io).unwrap().and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::GET)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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let req = client.send_request(request, true).unwrap()
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.unwrap()
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// Get the response
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.and_then(|resp| {
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assert_eq!(resp.status(), StatusCode::OK);
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let body = resp.into_parts().1;
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body.into_future().unwrap()
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})
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// read some body to use up window size to below half
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.and_then(|(buf, body)| {
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assert_eq!(buf.unwrap().len(), payload.len());
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body.into_future().unwrap()
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})
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.and_then(|(buf, body)| {
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assert_eq!(buf.unwrap().len(), payload.len());
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body.into_future().unwrap()
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})
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.and_then(|(buf, mut body)| {
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let buf = buf.unwrap();
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assert_eq!(buf.len(), payload.len());
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body.release_capacity().release_capacity(buf.len() * 2).unwrap();
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body.into_future().unwrap()
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})
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.and_then(|(buf, _)| {
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assert_eq!(buf.unwrap().len(), payload.len());
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Ok(())
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});
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h2.unwrap().join(req)
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});
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h2.join(mock).wait().unwrap();
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}
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#[test]
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fn release_capacity_of_small_amount_does_not_send_window_update() {
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let _ = ::env_logger::init();
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let payload = [0; 16];
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let (io, srv) = mock::new();
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let mock = srv.assert_client_handshake().unwrap()
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.recv_settings()
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.recv_frame(
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frames::headers(1)
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.request("GET", "https://http2.akamai.com/")
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.eos()
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)
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.send_frame(
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frames::headers(1)
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.response(200)
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)
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.send_frame(frames::data(1, &payload[..]).eos())
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// gotta end the connection
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.map(drop);
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let h2 = Client::handshake(io).unwrap().and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::GET)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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let req = client.send_request(request, true).unwrap()
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.unwrap()
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// Get the response
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.and_then(|resp| {
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assert_eq!(resp.status(), StatusCode::OK);
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let body = resp.into_parts().1;
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body.into_future().unwrap()
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})
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// read the small body and then release it
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.and_then(|(buf, mut body)| {
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let buf = buf.unwrap();
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assert_eq!(buf.len(), 16);
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body.release_capacity().release_capacity(buf.len()).unwrap();
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body.into_future().unwrap()
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})
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.and_then(|(buf, _)| {
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assert!(buf.is_none());
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Ok(())
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});
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h2.unwrap().join(req)
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});
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h2.join(mock).wait().unwrap();
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}
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#[test]
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#[ignore]
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fn expand_window_sends_window_update() {}
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#[test]
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#[ignore]
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fn expand_window_calls_are_coalesced() {}
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#[test]
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fn recv_data_overflows_connection_window() {
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let _ = ::env_logger::init();
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let (io, srv) = mock::new();
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let mock = srv.assert_client_handshake().unwrap()
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.recv_settings()
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.recv_frame(
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frames::headers(1)
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.request("GET", "https://http2.akamai.com/")
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.eos()
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)
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.send_frame(
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frames::headers(1)
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.response(200)
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)
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// fill the whole window
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.send_frame(frames::data(1, vec![0u8; 16_384]))
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.send_frame(frames::data(1, vec![0u8; 16_384]))
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.send_frame(frames::data(1, vec![0u8; 16_384]))
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.send_frame(frames::data(1, vec![0u8; 16_383]))
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// this frame overflows the window!
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.send_frame(frames::data(1, vec![0u8; 128]).eos())
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// expecting goaway for the conn, not stream
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.recv_frame(frames::go_away(0).flow_control());
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// connection is ended by client
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let h2 = Client::handshake(io).unwrap().and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::GET)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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let req = client
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.send_request(request, true)
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.unwrap()
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.unwrap()
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.and_then(|resp| {
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assert_eq!(resp.status(), StatusCode::OK);
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let body = resp.into_parts().1;
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body.concat2().then(|res| {
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let err = res.unwrap_err();
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assert_eq!(
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err.to_string(),
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"protocol error: flow-control protocol violated"
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);
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Ok::<(), ()>(())
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})
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});
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// client should see a flow control error
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let conn = h2.then(|res| {
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let err = res.unwrap_err();
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assert_eq!(
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err.to_string(),
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"protocol error: flow-control protocol violated"
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);
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Ok::<(), ()>(())
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});
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conn.unwrap().join(req)
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});
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h2.join(mock).wait().unwrap();
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}
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#[test]
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fn recv_data_overflows_stream_window() {
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// this tests for when streams have smaller windows than their connection
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let _ = ::env_logger::init();
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let (io, srv) = mock::new();
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let mock = srv.assert_client_handshake().unwrap()
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.ignore_settings()
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.recv_frame(
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frames::headers(1)
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.request("GET", "https://http2.akamai.com/")
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.eos()
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)
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.send_frame(
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frames::headers(1)
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.response(200)
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)
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// fill the whole window
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.send_frame(frames::data(1, vec![0u8; 16_384]))
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// this frame overflows the window!
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.send_frame(frames::data(1, &[0; 16][..]).eos())
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// expecting goaway for the conn
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// TODO: change to a RST_STREAM eventually
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.recv_frame(frames::go_away(0).flow_control())
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// close the connection
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.map(drop);
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let h2 = Client::builder()
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.initial_window_size(16_384)
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.handshake::<_, Bytes>(io)
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.unwrap()
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.and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::GET)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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let req = client
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.send_request(request, true)
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.unwrap()
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.unwrap()
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.and_then(|resp| {
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assert_eq!(resp.status(), StatusCode::OK);
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let body = resp.into_parts().1;
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body.concat2().then(|res| {
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let err = res.unwrap_err();
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assert_eq!(
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err.to_string(),
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"protocol error: flow-control protocol violated"
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);
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Ok::<(), ()>(())
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})
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});
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// client should see a flow control error
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let conn = h2.then(|res| {
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let err = res.unwrap_err();
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assert_eq!(
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err.to_string(),
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"protocol error: flow-control protocol violated"
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);
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Ok::<(), ()>(())
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});
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conn.unwrap().join(req)
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});
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h2.join(mock).wait().unwrap();
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}
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#[test]
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#[ignore]
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fn recv_window_update_causes_overflow() {
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// A received window update causes the window to overflow.
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}
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#[test]
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fn stream_close_by_data_frame_releases_capacity() {
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let _ = ::env_logger::init();
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let (io, srv) = mock::new();
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let window_size = frame::DEFAULT_INITIAL_WINDOW_SIZE as usize;
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let h2 = Client::handshake(io).unwrap().and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::POST)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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// Send request
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let mut s1 = client.send_request(request, false).unwrap();
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// This effectively reserves the entire connection window
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s1.reserve_capacity(window_size);
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// The capacity should be immediately available as nothing else is
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// happening on the stream.
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assert_eq!(s1.capacity(), window_size);
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let request = Request::builder()
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.method(Method::POST)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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// Create a second stream
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let mut s2 = client.send_request(request, false).unwrap();
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// Request capacity
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s2.reserve_capacity(5);
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// There should be no available capacity (as it is being held up by
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// the previous stream
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assert_eq!(s2.capacity(), 0);
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// Closing the previous stream by sending an empty data frame will
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// release the capacity to s2
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s1.send_data("".into(), true).unwrap();
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// The capacity should be available
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assert_eq!(s2.capacity(), 5);
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// Send the frame
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s2.send_data("hello".into(), true).unwrap();
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// Drive both streams to prevent the handles from being dropped
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// (which will send a RST_STREAM) before the connection is closed.
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h2.drive(s1)
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.and_then(move |(h2, _)| h2.drive(s2))
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})
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.unwrap();
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let srv = srv.assert_client_handshake()
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.unwrap()
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.recv_settings()
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.recv_frame(frames::headers(1).request("POST", "https://http2.akamai.com/"))
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.send_frame(frames::headers(1).response(200))
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.recv_frame(frames::headers(3).request("POST", "https://http2.akamai.com/"))
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.send_frame(frames::headers(3).response(200))
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.recv_frame(frames::data(1, &b""[..]).eos())
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.recv_frame(frames::data(3, &b"hello"[..]).eos())
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.close();
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let _ = h2.join(srv).wait().unwrap();
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}
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#[test]
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fn stream_close_by_trailers_frame_releases_capacity() {
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let _ = ::env_logger::init();
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let (io, srv) = mock::new();
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let window_size = frame::DEFAULT_INITIAL_WINDOW_SIZE as usize;
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let h2 = Client::handshake(io).unwrap().and_then(|(mut client, h2)| {
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let request = Request::builder()
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.method(Method::POST)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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// Send request
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let mut s1 = client.send_request(request, false).unwrap();
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// This effectively reserves the entire connection window
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s1.reserve_capacity(window_size);
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// The capacity should be immediately available as nothing else is
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// happening on the stream.
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assert_eq!(s1.capacity(), window_size);
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let request = Request::builder()
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.method(Method::POST)
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.uri("https://http2.akamai.com/")
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.body(())
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.unwrap();
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// Create a second stream
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let mut s2 = client.send_request(request, false).unwrap();
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// Request capacity
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s2.reserve_capacity(5);
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// There should be no available capacity (as it is being held up by
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// the previous stream
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assert_eq!(s2.capacity(), 0);
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// Closing the previous stream by sending a trailers frame will
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// release the capacity to s2
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s1.send_trailers(Default::default()).unwrap();
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// The capacity should be available
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assert_eq!(s2.capacity(), 5);
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// Send the frame
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s2.send_data("hello".into(), true).unwrap();
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// Drive both streams to prevent the handles from being dropped
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// (which will send a RST_STREAM) before the connection is closed.
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h2.drive(s1)
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.and_then(move |(h2, _)| h2.drive(s2))
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})
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.unwrap();
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let srv = srv.assert_client_handshake().unwrap()
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// Get the first frame
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.recv_settings()
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.recv_frame(
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frames::headers(1)
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.request("POST", "https://http2.akamai.com/")
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)
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.send_frame(frames::headers(1).response(200))
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.recv_frame(
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frames::headers(3)
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.request("POST", "https://http2.akamai.com/")
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)
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.send_frame(frames::headers(3).response(200))
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.recv_frame(frames::headers(1).eos())
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.recv_frame(frames::data(3, &b"hello"[..]).eos())
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.close();
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let _ = h2.join(srv).wait().unwrap();
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}
|
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|
|
#[test]
|
|
#[ignore]
|
|
fn stream_close_by_send_reset_frame_releases_capacity() {}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn stream_close_by_recv_reset_frame_releases_capacity() {}
|
|
|
|
use futures::{Async, Poll};
|
|
|
|
struct GetResponse {
|
|
stream: Option<client::Stream<Bytes>>,
|
|
}
|
|
|
|
impl Future for GetResponse {
|
|
type Item = (Response<client::Body<Bytes>>, client::Stream<Bytes>);
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|
type Error = ();
|
|
|
|
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
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let response = match self.stream.as_mut().unwrap().poll_response() {
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Ok(Async::Ready(v)) => v,
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|
Ok(Async::NotReady) => return Ok(Async::NotReady),
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Err(e) => panic!("unexpected error; {:?}", e),
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};
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|
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Ok(Async::Ready((response, self.stream.take().unwrap())))
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|
}
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|
}
|
|
|
|
#[test]
|
|
fn recv_window_update_on_stream_closed_by_data_frame() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let h2 = Client::handshake(io)
|
|
.unwrap()
|
|
.and_then(|(mut client, h2)| {
|
|
let request = Request::builder()
|
|
.method(Method::POST)
|
|
.uri("https://http2.akamai.com/")
|
|
.body(())
|
|
.unwrap();
|
|
|
|
let stream = client.send_request(request, false).unwrap();
|
|
|
|
// Wait for the response
|
|
h2.drive(GetResponse {
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stream: Some(stream),
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})
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|
})
|
|
.and_then(|(h2, (response, mut stream))| {
|
|
assert_eq!(response.status(), StatusCode::OK);
|
|
|
|
// Send a data frame, this will also close the connection
|
|
stream.send_data("hello".into(), true).unwrap();
|
|
|
|
// keep `stream` from being dropped in order to prevent
|
|
// it from sending an RST_STREAM frame.
|
|
//
|
|
// i know this is kind of evil, but it's necessary to
|
|
// ensure that the stream is closed by the EOS frame,
|
|
// and not by the RST_STREAM.
|
|
std::mem::forget(stream);
|
|
|
|
// Wait for the connection to close
|
|
h2.unwrap()
|
|
});
|
|
|
|
let srv = srv.assert_client_handshake()
|
|
.unwrap()
|
|
.recv_settings()
|
|
.recv_frame(frames::headers(1).request("POST", "https://http2.akamai.com/"))
|
|
.send_frame(frames::headers(1).response(200))
|
|
.recv_frame(frames::data(1, "hello").eos())
|
|
.send_frame(frames::window_update(1, 5))
|
|
.map(drop);
|
|
|
|
let _ = h2.join(srv).wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn reserved_capacity_assigned_in_multi_window_updates() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let h2 = Client::handshake(io)
|
|
.unwrap()
|
|
.and_then(|(mut client, h2)| {
|
|
let request = Request::builder()
|
|
.method(Method::POST)
|
|
.uri("https://http2.akamai.com/")
|
|
.body(())
|
|
.unwrap();
|
|
|
|
let mut stream = client.send_request(request, false).unwrap();
|
|
|
|
// Consume the capacity
|
|
let payload = vec![0; frame::DEFAULT_INITIAL_WINDOW_SIZE as usize];
|
|
stream.send_data(payload.into(), false).unwrap();
|
|
|
|
// Reserve more data than we want
|
|
stream.reserve_capacity(10);
|
|
|
|
h2.drive(util::wait_for_capacity(stream, 5))
|
|
})
|
|
.and_then(|(h2, mut stream)| {
|
|
stream.send_data("hello".into(), false).unwrap();
|
|
stream.send_data("world".into(), true).unwrap();
|
|
|
|
h2.drive(GetResponse {
|
|
stream: Some(stream),
|
|
})
|
|
})
|
|
.and_then(|(h2, (response, _))| {
|
|
assert_eq!(response.status(), StatusCode::NO_CONTENT);
|
|
|
|
// Wait for the connection to close
|
|
h2.unwrap()
|
|
});
|
|
|
|
let srv = srv.assert_client_handshake().unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("POST", "https://http2.akamai.com/")
|
|
)
|
|
.recv_frame(frames::data(1, vec![0u8; 16_384]))
|
|
.recv_frame(frames::data(1, vec![0u8; 16_384]))
|
|
.recv_frame(frames::data(1, vec![0u8; 16_384]))
|
|
.recv_frame(frames::data(1, vec![0u8; 16_383]))
|
|
.idle_ms(100)
|
|
// Increase the connection window
|
|
.send_frame(
|
|
frames::window_update(0, 10))
|
|
// Incrementally increase the stream window
|
|
.send_frame(
|
|
frames::window_update(1, 4))
|
|
.idle_ms(50)
|
|
.send_frame(
|
|
frames::window_update(1, 1))
|
|
// Receive first chunk
|
|
.recv_frame(frames::data(1, "hello"))
|
|
.send_frame(
|
|
frames::window_update(1, 5))
|
|
// Receive second chunk
|
|
.recv_frame(
|
|
frames::data(1, "world").eos())
|
|
.send_frame(
|
|
frames::headers(1)
|
|
.response(204)
|
|
.eos()
|
|
)
|
|
/*
|
|
.recv_frame(frames::data(1, "hello").eos())
|
|
.send_frame(frames::window_update(1, 5))
|
|
*/
|
|
.map(drop);
|
|
|
|
let _ = h2.join(srv).wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn connection_notified_on_released_capacity() {
|
|
use futures::sync::oneshot;
|
|
use std::sync::mpsc;
|
|
use std::thread;
|
|
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
// We're going to run the connection on a thread in order to isolate task
|
|
// notifications. This test is here, in part, to ensure that the connection
|
|
// receives the appropriate notifications to send out window updates.
|
|
|
|
let (tx, rx) = mpsc::channel();
|
|
|
|
// Because threading is fun
|
|
let (settings_tx, settings_rx) = oneshot::channel();
|
|
|
|
let th1 = thread::spawn(move || {
|
|
srv.assert_client_handshake().unwrap()
|
|
.recv_settings()
|
|
.map(move |v| {
|
|
settings_tx.send(()).unwrap();
|
|
v
|
|
})
|
|
// Get the first request
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("GET", "https://example.com/a")
|
|
.eos())
|
|
// Get the second request
|
|
.recv_frame(
|
|
frames::headers(3)
|
|
.request("GET", "https://example.com/b")
|
|
.eos())
|
|
// Send the first response
|
|
.send_frame(frames::headers(1).response(200))
|
|
// Send the second response
|
|
.send_frame(frames::headers(3).response(200))
|
|
|
|
// Fill the connection window
|
|
.send_frame(frames::data(1, vec![0u8; 16_384]).eos())
|
|
.idle_ms(100)
|
|
.send_frame(frames::data(3, vec![0u8; 16_384]).eos())
|
|
|
|
// The window update is sent
|
|
.recv_frame(frames::window_update(0, 16_384))
|
|
.map(drop)
|
|
.wait().unwrap();
|
|
});
|
|
|
|
|
|
let th2 = thread::spawn(move || {
|
|
let (mut client, h2) = Client::handshake(io).wait().unwrap();
|
|
|
|
let (h2, _) = h2.drive(settings_rx).wait().unwrap();
|
|
|
|
let request = Request::get("https://example.com/a").body(()).unwrap();
|
|
|
|
tx.send(client.send_request(request, true).unwrap())
|
|
.unwrap();
|
|
|
|
let request = Request::get("https://example.com/b").body(()).unwrap();
|
|
|
|
tx.send(client.send_request(request, true).unwrap())
|
|
.unwrap();
|
|
|
|
// Run the connection to completion
|
|
h2.wait().unwrap();
|
|
});
|
|
|
|
// Get the two requests
|
|
let a = rx.recv().unwrap();
|
|
let b = rx.recv().unwrap();
|
|
|
|
// Get the first response
|
|
let response = a.wait().unwrap();
|
|
assert_eq!(response.status(), StatusCode::OK);
|
|
let (_, a) = response.into_parts();
|
|
|
|
// Get the next chunk
|
|
let (chunk, mut a) = a.into_future().wait().unwrap();
|
|
assert_eq!(16_384, chunk.unwrap().len());
|
|
|
|
// Get the second response
|
|
let response = b.wait().unwrap();
|
|
assert_eq!(response.status(), StatusCode::OK);
|
|
let (_, b) = response.into_parts();
|
|
|
|
// Get the next chunk
|
|
let (chunk, b) = b.into_future().wait().unwrap();
|
|
assert_eq!(16_384, chunk.unwrap().len());
|
|
|
|
// Wait a bit
|
|
thread::sleep(Duration::from_millis(100));
|
|
|
|
// Release the capacity
|
|
a.release_capacity().release_capacity(16_384).unwrap();
|
|
|
|
th1.join().unwrap();
|
|
th2.join().unwrap();
|
|
|
|
// Explicitly drop this after the joins so that the capacity doesn't get
|
|
// implicitly released before.
|
|
drop(b);
|
|
}
|
|
|
|
#[test]
|
|
fn recv_settings_removes_available_capacity() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let mut settings = frame::Settings::default();
|
|
settings.set_initial_window_size(Some(0));
|
|
|
|
let srv = srv.assert_client_handshake_with_settings(settings).unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("POST", "https://http2.akamai.com/")
|
|
)
|
|
.idle_ms(100)
|
|
.send_frame(frames::window_update(0, 11))
|
|
.send_frame(frames::window_update(1, 11))
|
|
.recv_frame(frames::data(1, "hello world").eos())
|
|
.send_frame(
|
|
frames::headers(1)
|
|
.response(204)
|
|
.eos()
|
|
)
|
|
.close();
|
|
|
|
|
|
let h2 = Client::handshake(io).unwrap()
|
|
.and_then(|(mut client, h2)| {
|
|
let request = Request::builder()
|
|
.method(Method::POST)
|
|
.uri("https://http2.akamai.com/")
|
|
.body(()).unwrap();
|
|
|
|
let mut stream = client.send_request(request, false).unwrap();
|
|
|
|
stream.reserve_capacity(11);
|
|
|
|
h2.drive(util::wait_for_capacity(stream, 11))
|
|
})
|
|
.and_then(|(h2, mut stream)| {
|
|
assert_eq!(stream.capacity(), 11);
|
|
|
|
stream.send_data("hello world".into(), true).unwrap();
|
|
|
|
h2.drive(GetResponse { stream: Some(stream) })
|
|
})
|
|
.and_then(|(h2, (response, _))| {
|
|
assert_eq!(response.status(), StatusCode::NO_CONTENT);
|
|
|
|
// Wait for the connection to close
|
|
h2.unwrap()
|
|
});
|
|
|
|
let _ = h2.join(srv)
|
|
.wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn recv_no_init_window_then_receive_some_init_window() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let mut settings = frame::Settings::default();
|
|
settings.set_initial_window_size(Some(0));
|
|
|
|
let srv = srv.assert_client_handshake_with_settings(settings).unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("POST", "https://http2.akamai.com/")
|
|
)
|
|
.idle_ms(100)
|
|
.send_frame(frames::settings().initial_window_size(10))
|
|
.recv_frame(frames::settings_ack())
|
|
.recv_frame(frames::data(1, "hello worl"))
|
|
.idle_ms(100)
|
|
.send_frame(frames::settings().initial_window_size(11))
|
|
.recv_frame(frames::settings_ack())
|
|
.recv_frame(frames::data(1, "d").eos())
|
|
.send_frame(
|
|
frames::headers(1)
|
|
.response(204)
|
|
.eos()
|
|
)
|
|
.close();
|
|
|
|
|
|
let h2 = Client::handshake(io).unwrap()
|
|
.and_then(|(mut client, h2)| {
|
|
let request = Request::builder()
|
|
.method(Method::POST)
|
|
.uri("https://http2.akamai.com/")
|
|
.body(()).unwrap();
|
|
|
|
let mut stream = client.send_request(request, false).unwrap();
|
|
|
|
stream.reserve_capacity(11);
|
|
|
|
h2.drive(util::wait_for_capacity(stream, 11))
|
|
})
|
|
.and_then(|(h2, mut stream)| {
|
|
assert_eq!(stream.capacity(), 11);
|
|
|
|
stream.send_data("hello world".into(), true).unwrap();
|
|
|
|
h2.drive(GetResponse { stream: Some(stream) })
|
|
})
|
|
.and_then(|(h2, (response, _))| {
|
|
assert_eq!(response.status(), StatusCode::NO_CONTENT);
|
|
|
|
// Wait for the connection to close
|
|
h2.unwrap()
|
|
});
|
|
|
|
let _ = h2.join(srv)
|
|
.wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn settings_lowered_capacity_returns_capacity_to_connection() {
|
|
use std::thread;
|
|
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let window_size = frame::DEFAULT_INITIAL_WINDOW_SIZE as usize;
|
|
|
|
// Spawn the server on a thread
|
|
let th1 = thread::spawn(move || {
|
|
srv.assert_client_handshake().unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("POST", "https://example.com/one")
|
|
)
|
|
.recv_frame(
|
|
frames::headers(3)
|
|
.request("POST", "https://example.com/two")
|
|
)
|
|
.idle_ms(200)
|
|
// Remove all capacity from streams
|
|
.send_frame(frames::settings().initial_window_size(0))
|
|
.recv_frame(frames::settings_ack())
|
|
|
|
// Let stream 3 make progress
|
|
.send_frame(frames::window_update(3, 11))
|
|
.recv_frame(frames::data(3, "hello world").eos())
|
|
|
|
// Wait a bit
|
|
//
|
|
// TODO: Receive signal from main thread
|
|
.idle_ms(200)
|
|
|
|
// Reset initial window size
|
|
.send_frame(frames::settings().initial_window_size(window_size as u32))
|
|
.recv_frame(frames::settings_ack())
|
|
|
|
// Get data from first stream
|
|
.recv_frame(frames::data(1, "hello world").eos())
|
|
|
|
// Send responses
|
|
.send_frame(
|
|
frames::headers(1)
|
|
.response(204)
|
|
.eos()
|
|
)
|
|
.send_frame(
|
|
frames::headers(3)
|
|
.response(204)
|
|
.eos()
|
|
)
|
|
.close()
|
|
.wait().unwrap();
|
|
});
|
|
|
|
let (mut client, h2) = Client::handshake(io).unwrap()
|
|
.wait().unwrap();
|
|
|
|
// Drive client connection
|
|
let th2 = thread::spawn(move || {
|
|
h2.wait().unwrap();
|
|
});
|
|
|
|
let request = Request::post("https://example.com/one")
|
|
.body(()).unwrap();
|
|
|
|
let mut stream1 = client.send_request(request, false).unwrap();
|
|
|
|
let request = Request::post("https://example.com/two")
|
|
.body(()).unwrap();
|
|
|
|
let mut stream2 = client.send_request(request, false).unwrap();
|
|
|
|
// Reserve capacity for stream one, this will consume all connection level
|
|
// capacity
|
|
stream1.reserve_capacity(window_size);
|
|
let stream1 = util::wait_for_capacity(stream1, window_size).wait().unwrap();
|
|
|
|
// Now, wait for capacity on the other stream
|
|
stream2.reserve_capacity(11);
|
|
let mut stream2 = util::wait_for_capacity(stream2, 11).wait().unwrap();
|
|
|
|
// Send data on stream 2
|
|
stream2.send_data("hello world".into(), true).unwrap();
|
|
|
|
// Wait for capacity on stream 1
|
|
let mut stream1 = util::wait_for_capacity(stream1, 11).wait().unwrap();
|
|
|
|
stream1.send_data("hello world".into(), true).unwrap();
|
|
|
|
// Wait for responses..
|
|
let resp = stream1.wait().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::NO_CONTENT);
|
|
|
|
let resp = stream2.wait().unwrap();
|
|
assert_eq!(resp.status(), StatusCode::NO_CONTENT);
|
|
|
|
th1.join().unwrap();
|
|
th2.join().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn client_increase_target_window_size() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let srv = srv.assert_client_handshake()
|
|
.unwrap()
|
|
.recv_settings()
|
|
.recv_frame(frames::window_update(0, (2 << 20) - 65_535))
|
|
.close();
|
|
|
|
|
|
let client = Client::handshake(io).unwrap()
|
|
.and_then(|(_client, mut conn)| {
|
|
conn.set_target_window_size(2 << 20);
|
|
|
|
conn.unwrap()
|
|
});
|
|
|
|
srv.join(client).wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn increase_target_window_size_after_using_some() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let srv = srv.assert_client_handshake()
|
|
.unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("GET", "https://http2.akamai.com/")
|
|
.eos()
|
|
)
|
|
.send_frame(frames::headers(1).response(200))
|
|
.send_frame(frames::data(1, vec![0; 16_384]).eos())
|
|
.recv_frame(frames::window_update(0, (2 << 20) - 65_535))
|
|
.close();
|
|
|
|
let client = Client::handshake(io).unwrap()
|
|
.and_then(|(mut client, conn)| {
|
|
let request = Request::builder()
|
|
.uri("https://http2.akamai.com/")
|
|
.body(()).unwrap();
|
|
|
|
let res = client.send_request(request, true).unwrap()
|
|
.and_then(|res| {
|
|
// "leak" the capacity for now
|
|
res.into_parts().1.concat2()
|
|
});
|
|
|
|
conn.drive(res)
|
|
.and_then(|(mut conn, _bytes)| {
|
|
conn.set_target_window_size(2 << 20);
|
|
conn.unwrap()
|
|
})
|
|
});
|
|
|
|
srv.join(client).wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn decrease_target_window_size() {
|
|
let _ = ::env_logger::init();
|
|
let (io, srv) = mock::new();
|
|
|
|
let srv = srv.assert_client_handshake()
|
|
.unwrap()
|
|
.recv_settings()
|
|
.recv_frame(
|
|
frames::headers(1)
|
|
.request("GET", "https://http2.akamai.com/")
|
|
.eos()
|
|
)
|
|
.send_frame(frames::headers(1).response(200))
|
|
.send_frame(frames::data(1, vec![0; 16_384]))
|
|
.send_frame(frames::data(1, vec![0; 16_384]))
|
|
.send_frame(frames::data(1, vec![0; 16_384]))
|
|
.send_frame(frames::data(1, vec![0; 16_383]).eos())
|
|
.recv_frame(frames::window_update(0, 16_384))
|
|
.close();
|
|
|
|
let client = Client::handshake(io).unwrap()
|
|
.and_then(|(mut client, mut conn)| {
|
|
conn.set_target_window_size(16_384 * 2);
|
|
|
|
let request = Request::builder()
|
|
.uri("https://http2.akamai.com/")
|
|
.body(()).unwrap();
|
|
let res = client.send_request(request, true).unwrap();
|
|
conn.drive(res.expect("response"))
|
|
})
|
|
.and_then(|(mut conn, res)| {
|
|
conn.set_target_window_size(16_384);
|
|
let mut body = res.into_parts().1;
|
|
let mut cap = body.release_capacity().clone();
|
|
|
|
conn.drive(body.concat2().expect("concat"))
|
|
.and_then(move |(conn, bytes)| {
|
|
assert_eq!(bytes.len(), 65_535);
|
|
cap.release_capacity(bytes.len()).unwrap();
|
|
conn.expect("conn")
|
|
})
|
|
});
|
|
|
|
srv.join(client).wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn server_target_window_size() {
|
|
let _ = ::env_logger::init();
|
|
let (io, client) = mock::new();
|
|
|
|
let client = client.assert_server_handshake()
|
|
.unwrap()
|
|
.recv_settings()
|
|
.recv_frame(frames::window_update(0, (2 << 20) - 65_535))
|
|
.close();
|
|
|
|
let srv = Server::handshake(io).unwrap()
|
|
.and_then(|mut conn| {
|
|
conn.set_target_window_size(2 << 20);
|
|
conn.into_future().unwrap()
|
|
});
|
|
|
|
srv.join(client).wait().unwrap();
|
|
}
|