82 lines
2.5 KiB
Rust
82 lines
2.5 KiB
Rust
use std::net::SocketAddr;
|
|
use std::sync::Arc;
|
|
|
|
use bytes::IntoBuf;
|
|
use hyper::service::{make_service_fn, service_fn};
|
|
use hyper::server::conn::AddrStream;
|
|
use hyper::{Body, Method, Request, Response, Server, StatusCode};
|
|
use futures::future::Future;
|
|
|
|
use crate::error::Error;
|
|
use crate::data::rmp_to_vec_all_named;
|
|
use crate::proto::Message;
|
|
use crate::server::Garage;
|
|
|
|
fn err_to_msg(x: Result<Message, Error>) -> Message {
|
|
match x {
|
|
Err(e) => Message::Error(format!("{}", e)),
|
|
Ok(msg) => msg,
|
|
}
|
|
}
|
|
|
|
async fn handler(garage: Arc<Garage>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
|
|
if req.method() != &Method::POST {
|
|
let mut bad_request = Response::default();
|
|
*bad_request.status_mut() = StatusCode::BAD_REQUEST;
|
|
return Ok(bad_request);
|
|
}
|
|
|
|
let whole_body = hyper::body::to_bytes(req.into_body()).await?;
|
|
let msg = rmp_serde::decode::from_read::<_, Message>(whole_body.into_buf())?;
|
|
|
|
eprintln!("RPC from {}: {}", addr, serde_json::to_string(&msg)?);
|
|
|
|
let sys = garage.system.clone();
|
|
let resp = err_to_msg(match &msg {
|
|
Message::Ping(ping) => sys.handle_ping(&addr, ping).await,
|
|
Message::PullStatus => sys.handle_pull_status().await,
|
|
Message::PullConfig => sys.handle_pull_config().await,
|
|
Message::AdvertiseNodesUp(adv) => sys.handle_advertise_nodes_up(adv).await,
|
|
Message::AdvertiseConfig(adv) => sys.handle_advertise_config(adv).await,
|
|
Message::TableRPC(table, msg) => {
|
|
if let Some(rpc_handler) = garage.table_rpc_handlers.get(table) {
|
|
rpc_handler.handle(&msg[..]).await
|
|
.map(|rep| Message::TableRPC(table.to_string(), rep))
|
|
} else {
|
|
Ok(Message::Error(format!("Unknown table: {}", table)))
|
|
}
|
|
}
|
|
|
|
_ => Ok(Message::Error(format!("Unexpected message: {:?}", msg))),
|
|
});
|
|
|
|
eprintln!("reply to {}: {}", addr, serde_json::to_string(&resp)?);
|
|
|
|
Ok(Response::new(Body::from(
|
|
rmp_to_vec_all_named(&resp)?
|
|
)))
|
|
}
|
|
|
|
|
|
pub async fn run_rpc_server(garage: Arc<Garage>, shutdown_signal: impl Future<Output=()>) -> Result<(), hyper::Error> {
|
|
let bind_addr = ([0, 0, 0, 0], garage.system.config.rpc_port).into();
|
|
|
|
let service = make_service_fn(|conn: &AddrStream| {
|
|
let client_addr = conn.remote_addr();
|
|
let garage = garage.clone();
|
|
async move {
|
|
Ok::<_, Error>(service_fn(move |req: Request<Body>| {
|
|
let garage = garage.clone();
|
|
handler(garage, req, client_addr)
|
|
}))
|
|
}
|
|
});
|
|
|
|
let server = Server::bind(&bind_addr).serve(service) ;
|
|
|
|
let graceful = server.with_graceful_shutdown(shutdown_signal);
|
|
println!("RPC server listening on http://{}", bind_addr);
|
|
|
|
graceful.await
|
|
}
|