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Commit | Line | Data |
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15d0e4a3 WB |
1 | use std::future::Future; |
2 | use std::pin::Pin; | |
3 | use std::task::{Context, Poll}; | |
4 | ||
fded1f31 | 5 | use failure::*; |
15d0e4a3 WB |
6 | use futures::future::TryFutureExt; |
7 | use futures::stream::Stream; | |
8 | use tokio::net::TcpStream; | |
fded1f31 DM |
9 | |
10 | // Simple H2 client to test H2 download speed using h2server.rs | |
11 | ||
fded1f31 DM |
12 | struct Process { |
13 | body: h2::RecvStream, | |
14 | trailers: bool, | |
15 | bytes: usize, | |
16 | } | |
17 | ||
18 | impl Future for Process { | |
15d0e4a3 WB |
19 | type Output = Result<usize, Error>; |
20 | ||
21 | fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> { | |
22 | let this = self.get_mut(); | |
fded1f31 | 23 | |
fded1f31 | 24 | loop { |
15d0e4a3 WB |
25 | if this.trailers { |
26 | match futures::ready!(this.body.poll_trailers(cx)) { | |
27 | Ok(Some(trailers)) => println!("trailers: {:?}", trailers), | |
28 | Ok(None) => (), | |
29 | Err(err) => return Poll::Ready(Err(Error::from(err))), | |
fded1f31 | 30 | } |
fded1f31 | 31 | |
15d0e4a3 WB |
32 | println!("Received {} bytes", this.bytes); |
33 | ||
34 | return Poll::Ready(Ok(this.bytes)); | |
fded1f31 | 35 | } else { |
15d0e4a3 WB |
36 | match futures::ready!(Pin::new(&mut this.body).poll_next(cx)) { |
37 | Some(Ok(chunk)) => { | |
38 | this.body.release_capacity().release_capacity(chunk.len())?; | |
39 | this.bytes += chunk.len(); | |
fded1f31 DM |
40 | // println!("GOT FRAME {}", chunk.len()); |
41 | }, | |
15d0e4a3 | 42 | Some(Err(err)) => return Poll::Ready(Err(Error::from(err))), |
fded1f31 | 43 | None => { |
15d0e4a3 | 44 | this.trailers = true; |
fded1f31 DM |
45 | }, |
46 | } | |
47 | } | |
48 | } | |
49 | } | |
50 | } | |
51 | ||
15d0e4a3 WB |
52 | fn send_request( |
53 | mut client: h2::client::SendRequest<bytes::Bytes>, | |
54 | ) -> impl Future<Output = Result<usize, Error>> { | |
fded1f31 DM |
55 | |
56 | println!("sending request"); | |
57 | ||
58 | let request = http::Request::builder() | |
59 | .uri("http://localhost/") | |
60 | .body(()) | |
61 | .unwrap(); | |
62 | ||
63 | let (response, _stream) = client.send_request(request, true).unwrap(); | |
64 | ||
65 | response | |
66 | .map_err(Error::from) | |
67 | .and_then(|response| { | |
68 | Process { body: response.into_body(), trailers: false, bytes: 0 } | |
69 | }) | |
70 | } | |
71 | ||
15d0e4a3 WB |
72 | #[tokio::main] |
73 | async fn main() -> Result<(), Error> { | |
fded1f31 DM |
74 | |
75 | let start = std::time::SystemTime::now(); | |
76 | ||
083ff3fd | 77 | let conn = TcpStream::connect(std::net::SocketAddr::from(([127,0,0,1], 8008))) |
15d0e4a3 | 78 | .await?; |
fded1f31 | 79 | |
15d0e4a3 WB |
80 | let (client, h2) = h2::client::Builder::new() |
81 | .initial_connection_window_size(1024*1024*1024) | |
82 | .initial_window_size(1024*1024*1024) | |
83 | .max_frame_size(4*1024*1024) | |
84 | .handshake(conn) | |
85 | .await?; | |
86 | ||
87 | tokio::spawn(async move { | |
88 | if let Err(err) = h2.await { | |
89 | println!("GOT ERR={:?}", err); | |
90 | } | |
91 | }); | |
92 | ||
93 | let mut bytes = 0; | |
94 | for _ in 0..2000 { | |
95 | bytes += send_request(client.clone()).await?; | |
96 | } | |
97 | ||
98 | let elapsed = start.elapsed().unwrap(); | |
99 | let elapsed = (elapsed.as_secs() as f64) + | |
100 | (elapsed.subsec_millis() as f64)/1000.0; | |
fded1f31 | 101 | |
15d0e4a3 | 102 | println!("Downloaded {} bytes, {} MB/s", bytes, (bytes as f64)/(elapsed*1024.0*1024.0)); |
fded1f31 DM |
103 | |
104 | Ok(()) | |
105 | } |