Files
arbiter/server/crates/arbiter-server/src/grpc/client.rs
2026-04-03 22:00:45 +02:00

117 lines
3.3 KiB
Rust

use arbiter_proto::{
proto::client::{
ClientRequest, ClientResponse, client_request::Payload as ClientRequestPayload,
client_response::Payload as ClientResponsePayload,
},
transport::{Receiver, Sender, grpc::GrpcBi},
};
use kameo::actor::{ActorRef, Spawn as _};
use tonic::Status;
use tracing::{info, warn};
use crate::{
actors::client::{ClientConnection, session::ClientSession},
grpc::request_tracker::RequestTracker,
};
mod auth;
mod evm;
mod inbound;
mod outbound;
mod vault;
async fn dispatch_loop(
mut bi: GrpcBi<ClientRequest, ClientResponse>,
actor: ActorRef<ClientSession>,
mut request_tracker: RequestTracker,
) {
loop {
let Some(message) = bi.recv().await else {
return;
};
let conn = match message {
Ok(conn) => conn,
Err(err) => {
warn!(error = ?err, "Failed to receive client request");
return;
}
};
let request_id = match request_tracker.request(conn.request_id) {
Ok(id) => id,
Err(err) => {
let _ = bi.send(Err(err)).await;
return;
}
};
let Some(payload) = conn.payload else {
let _ = bi
.send(Err(Status::invalid_argument(
"Missing client request payload",
)))
.await;
return;
};
match dispatch_inner(&actor, payload).await {
Ok(response) => {
if bi
.send(Ok(ClientResponse {
request_id: Some(request_id),
payload: Some(response),
}))
.await
.is_err()
{
return;
}
}
Err(status) => {
let _ = bi.send(Err(status)).await;
return;
}
}
}
}
async fn dispatch_inner(
actor: &ActorRef<ClientSession>,
payload: ClientRequestPayload,
) -> Result<ClientResponsePayload, Status> {
match payload {
ClientRequestPayload::Vault(req) => vault::dispatch(actor, req).await,
ClientRequestPayload::Evm(req) => evm::dispatch(actor, req).await,
ClientRequestPayload::Auth(..) => {
warn!("Unsupported post-auth client auth request");
Err(Status::invalid_argument("Unsupported client request"))
}
}
}
pub async fn start(mut conn: ClientConnection, mut bi: GrpcBi<ClientRequest, ClientResponse>) {
let mut request_tracker = RequestTracker::default();
let client_id = match auth::start(&mut conn, &mut bi, &mut request_tracker).await {
Ok(id) => id,
Err(err) => {
let _ = bi
.send(Err(Status::unauthenticated(format!(
"Authentication failed: {}",
err
))))
.await;
warn!(error = ?err, "Client authentication failed");
return;
}
};
let actor = ClientSession::spawn(ClientSession::new(conn, client_id));
let actor_for_cleanup = actor.clone();
info!("Client authenticated successfully");
dispatch_loop(bi, actor, request_tracker).await;
actor_for_cleanup.kill();
}