107 lines
2.9 KiB
Rust
107 lines
2.9 KiB
Rust
use failure::*;
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use futures::*;
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// Simple H2 client to test H2 download speed using h2server.rs
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use tokio::net::TcpStream;
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struct Process {
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body: h2::RecvStream,
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trailers: bool,
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bytes: usize,
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}
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impl Future for Process {
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type Item = usize;
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type Error = Error;
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fn poll(&mut self) -> Poll<usize, Error> {
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loop {
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if self.trailers {
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let trailers = try_ready!(self.body.poll_trailers());
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if let Some(trailers) = trailers {
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println!("trailers: {:?}", trailers);
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}
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println!("Received {} bytes", self.bytes);
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return Ok(Async::Ready(self.bytes));
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} else {
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match try_ready!(self.body.poll()) {
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Some(chunk) => {
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self.body.release_capacity().release_capacity(chunk.len())?;
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self.bytes += chunk.len();
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// println!("GOT FRAME {}", chunk.len());
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},
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None => {
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self.trailers = true;
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},
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}
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}
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}
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}
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}
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fn send_request(mut client: h2::client::SendRequest<bytes::Bytes>) -> impl Future<Item=usize, Error=Error> {
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println!("sending request");
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let request = http::Request::builder()
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.uri("http://localhost/")
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.body(())
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.unwrap();
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let (response, _stream) = client.send_request(request, true).unwrap();
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response
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.map_err(Error::from)
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.and_then(|response| {
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Process { body: response.into_body(), trailers: false, bytes: 0 }
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})
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}
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pub fn main() -> Result<(), Error> {
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let tcp_stream = TcpStream::connect(&"127.0.0.1:8008".parse().unwrap());
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let start = std::time::SystemTime::now();
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let tcp = tcp_stream
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.map_err(Error::from)
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.and_then(|c| {
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h2::client::handshake(c)
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.map_err(Error::from)
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})
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.and_then(|(client, h2)| {
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// Spawn a task to run the conn...
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tokio::spawn(h2.map_err(|e| println!("GOT ERR={:?}", e)));
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futures::stream::repeat(())
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.take(10)
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.and_then(move |_| send_request(client.clone()))
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.fold(0, move |mut acc, size| {
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acc += size;
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Ok::<_, Error>(acc)
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})
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})
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.then(move |result| {
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match result {
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Err(err) => {
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println!("ERROR {}", err);
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}
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Ok(bytes) => {
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let elapsed = start.elapsed().unwrap();
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let elapsed = (elapsed.as_secs() as f64) +
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(elapsed.subsec_millis() as f64)/1000.0;
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println!("Downloaded {} bytes, {} MB/s", bytes, (bytes as f64)/(elapsed*1024.0*1024.0));
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}
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}
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Ok(())
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});
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tokio::run(tcp);
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Ok(())
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}
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