sdk-rust/example-projects/wasi-example/src/main.rs

50 lines
1.7 KiB
Rust

use cloudevents::binding::http_0_2::builder::adapter::to_response;
use cloudevents::binding::http_0_2::to_event;
use hyper::service::{make_service_fn, service_fn};
use hyper::Server;
use hyper::{Body, Method, Request, Response, StatusCode};
use std::convert::Infallible;
use std::net::SocketAddr;
use std::result::Result;
mod handler;
#[allow(clippy::redundant_closure)]
#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
let addr = SocketAddr::from(([0, 0, 0, 0], 9000));
let make_svc = make_service_fn(|_| async move {
Ok::<_, Infallible>(service_fn(move |req| handle_request(req)))
});
let server = Server::bind(&addr).serve(make_svc);
if let Err(e) = server.await {
eprintln!("server error: {}", e);
}
Ok(())
}
async fn handle_request(
req: Request<Body>,
) -> Result<Response<Body>, anyhow::Error> {
match (req.method(), req.uri().path()) {
(&Method::POST, "/") => {
let headers = req.headers().clone();
let body_bytes = hyper::body::to_bytes(req.into_body()).await?;
let body = body_bytes.to_vec();
let reqevt = to_event(&headers, body)?;
let _respevt = handler::handle_event(reqevt).await?;
to_response(_respevt).map_err(|err| err.into())
}
(&Method::GET, "/health/readiness") => {
Ok(Response::new(Body::from("")))
}
(&Method::GET, "/health/liveness") => Ok(Response::new(Body::from(""))),
_ => {
let mut not_found = Response::default();
*not_found.status_mut() = StatusCode::NOT_FOUND;
Ok(not_found)
}
}
}