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server.rs
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server.rs
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use crate::webhook::*;
use anyhow::{Context, Result};
use async_std::pin::Pin;
use futures_util::FutureExt;
use futures_util::{
io::{AsyncRead, AsyncWrite},
stream::Stream,
};
use hyper::{
service::{make_service_fn, service_fn},
Body, Request, Server,
};
use std::net::SocketAddr;
use std::sync::Arc;
use std::task::Poll;
use tokio::sync::Mutex;
struct Incoming<'a>(pub async_std::net::Incoming<'a>);
impl hyper::server::accept::Accept for Incoming<'_> {
type Conn = TcpStream;
type Error = async_std::io::Error;
fn poll_accept(
self: Pin<&mut Self>,
cx: &mut std::task::Context,
) -> Poll<Option<Result<Self::Conn, Self::Error>>> {
Pin::new(&mut Pin::into_inner(self).0)
.poll_next(cx)
.map(|opt| opt.map(|res| res.map(TcpStream)))
}
}
struct TcpStream(pub async_std::net::TcpStream);
impl tokio::io::AsyncRead for TcpStream {
fn poll_read(
self: Pin<&mut Self>,
cx: &mut std::task::Context,
buf: &mut [u8],
) -> Poll<Result<usize, std::io::Error>> {
Pin::new(&mut Pin::into_inner(self).0).poll_read(cx, buf)
}
}
impl tokio::io::AsyncWrite for TcpStream {
fn poll_write(
self: Pin<&mut Self>,
cx: &mut std::task::Context,
buf: &[u8],
) -> Poll<Result<usize, std::io::Error>> {
Pin::new(&mut Pin::into_inner(self).0).poll_write(cx, buf)
}
fn poll_flush(
self: Pin<&mut Self>,
cx: &mut std::task::Context,
) -> Poll<Result<(), std::io::Error>> {
Pin::new(&mut Pin::into_inner(self).0).poll_flush(cx)
}
fn poll_shutdown(
self: Pin<&mut Self>,
cx: &mut std::task::Context,
) -> Poll<Result<(), std::io::Error>> {
Pin::new(&mut Pin::into_inner(self).0).poll_close(cx)
}
}
pub async fn init(
addr: SocketAddr,
state: Arc<Mutex<AppState>>,
) -> anyhow::Result<()> {
let listener = async_std::net::TcpListener::bind(&addr).await.unwrap();
log::info!("Listening on {}", addr);
let service = make_service_fn(move |_| {
let state = Arc::clone(&state);
async move {
Ok::<_, hyper::Error>(service_fn(move |req: Request<Body>| {
let state = Arc::clone(&state);
webhook(req, state)
}))
}
});
Server::builder(Incoming(listener.incoming()))
.http1_half_close(true)
.serve(service)
.boxed()
.await
.context("Server error".to_owned())
}