hyperdriver 0.10.0

The missing middle for Hyper - Servers and Clients with ergonomic APIs
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

#![allow(missing_docs)]

use std::pin::pin;

use futures_util::StreamExt as _;
use hyper::upgrade::Upgraded;
use hyperdriver::{bridge::io::TokioIo, client::conn::transport::duplex::DuplexTransport};
use tokio::io::{AsyncReadExt as _, AsyncWriteExt as _};

const TIMEOUT: std::time::Duration = std::time::Duration::from_secs(5);

async fn server_for_client_upgrade(
) -> Result<DuplexTransport, Box<dyn std::error::Error + Send + Sync>> {
    let (tx, incoming) = hyperdriver::stream::duplex::pair();

    let acceptor: hyperdriver::server::conn::Acceptor =
        hyperdriver::server::conn::Acceptor::from(incoming);

    tokio::spawn(tokio::time::timeout(
        TIMEOUT,
        serve_one_h1_upgrade(acceptor),
    ));

    Ok(DuplexTransport::new(1024, tx))
}

async fn serve_one_h1_upgrade(
    acceptor: hyperdriver::server::conn::Acceptor,
) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    let mut acceptor = pin!(acceptor);
    let stream = acceptor.next().await.ok_or("no connection")??;

    let service = hyper::service::service_fn(upgrade_svc);

    let conn =
        hyper::server::conn::http1::Builder::new().serve_connection(TokioIo::new(stream), service);

    conn.with_upgrades().await?;

    Ok(())
}

async fn upgrade_svc(
    mut request: http::Request<hyper::body::Incoming>,
) -> Result<http::Response<hyperdriver::Body>, Box<dyn std::error::Error + Send + Sync>> {
    if !request.headers().contains_key(http::header::UPGRADE) {
        return Ok(http::Response::builder()
            .status(http::StatusCode::BAD_REQUEST)
            .body(hyperdriver::Body::empty())?);
    }

    tokio::spawn(tokio::time::timeout(TIMEOUT, async move {
        let upgraded = hyper::upgrade::on(&mut request)
            .await
            .expect("[server] upgrade erorr");
        server_upgraded_io(upgraded)
            .await
            .expect("[server] upgraded protocol error");
    }));

    Ok(http::Response::builder()
        .status(http::StatusCode::SWITCHING_PROTOCOLS)
        .body(hyperdriver::Body::empty())?)
}

async fn server_upgraded_io(
    upgraded: Upgraded,
) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    let mut upgraded = TokioIo::new(upgraded);
    let mut vec = vec![0; 5];
    upgraded.read_exact(&mut vec).await?;
    let req = String::from_utf8_lossy(&vec);
    println!("[server] client sent {req:?}");
    if req != "hello" {
        println!("[server] got unexpected request");
    }
    upgraded.write_all(b"world").await?;
    println!("[server] sent response");
    Ok(())
}

async fn clinet_upgraded_io(mut response: http::Response<hyperdriver::Body>) {
    if response.status() != http::StatusCode::SWITCHING_PROTOCOLS {
        panic!("Server didn't upgrade: {}", response.status());
    }

    let upgraded = hyper::upgrade::on(&mut response)
        .await
        .expect("upgrade error");
    let mut upgraded = TokioIo::new(upgraded);
    upgraded.write_all(b"hello").await.unwrap();
    println!("[client] sent hello");
    let mut vec = vec![0; 5];
    upgraded.read_exact(&mut vec).await.unwrap();
    let res = String::from_utf8_lossy(&vec);
    println!("[client] got {res:?}");
    assert_eq!(res, "world");
}

#[tokio::test]
async fn client_auto() {
    let transport = server_for_client_upgrade().await.unwrap();

    let mut client = hyperdriver::Client::builder()
        .with_auto_http()
        .with_default_pool()
        .with_transport(transport)
        .build();

    let request = http::Request::get("http://example.org")
        .header(http::header::UPGRADE, "test-hyperdriver")
        .body(hyperdriver::Body::empty())
        .unwrap();

    let response = client.request(request).await.unwrap();
    clinet_upgraded_io(response).await;
}

#[tokio::test]
async fn client_http1() {
    let transport = server_for_client_upgrade().await.unwrap();

    let mut client = hyperdriver::Client::builder()
        .with_protocol(hyper::client::conn::http1::Builder::new())
        .with_default_pool()
        .with_transport(transport)
        .build();

    let request = http::Request::get("http://example.org")
        .header(http::header::UPGRADE, "test-hyperdriver")
        .body(hyperdriver::Body::empty())
        .unwrap();

    let response = client.request(request).await.unwrap();

    clinet_upgraded_io(response).await;
}