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use std::sync::Arc;
use tonic::transport::{Endpoint, Server, Uri};
use crate::{
nar::{NarCalculationService, SimpleRenderer},
pathinfoservice::{GRPCPathInfoService, MemoryPathInfoService, PathInfoService},
proto::{
path_info_service_client::PathInfoServiceClient,
path_info_service_server::PathInfoServiceServer, GRPCPathInfoServiceWrapper,
},
tests::fixtures::{blob_service, directory_service},
};
/// Constructs and returns a gRPC PathInfoService.
/// We also return memory-based {Blob,Directory}Service,
/// as the consumer of this function accepts a 3-tuple.
pub async fn make_grpc_path_info_service_client() -> super::BSDSPS {
let (left, right) = tokio::io::duplex(64);
let blob_service = blob_service();
let directory_service = directory_service();
// spin up a server, which will only connect once, to the left side.
tokio::spawn({
let blob_service = blob_service.clone();
let directory_service = directory_service.clone();
async move {
let path_info_service: Arc<dyn PathInfoService> = Arc::from(
MemoryPathInfoService::new(blob_service.clone(), directory_service.clone()),
);
let nar_calculation_service =
Box::new(SimpleRenderer::new(blob_service, directory_service))
as Box<dyn NarCalculationService>;
// spin up a new PathInfoService
let mut server = Server::builder();
let router = server.add_service(PathInfoServiceServer::new(
GRPCPathInfoServiceWrapper::new(path_info_service, nar_calculation_service),
));
router
.serve_with_incoming(tokio_stream::once(Ok::<_, std::io::Error>(left)))
.await
}
});
// Create a client, connecting to the right side. The URI is unused.
let mut maybe_right = Some(right);
let path_info_service = Box::new(GRPCPathInfoService::from_client(
PathInfoServiceClient::new(
Endpoint::try_from("http://[::]:50051")
.unwrap()
.connect_with_connector(tower::service_fn(move |_: Uri| {
let right = maybe_right.take().unwrap();
async move { Ok::<_, std::io::Error>(right) }
}))
.await
.unwrap(),
),
));
(blob_service, directory_service, path_info_service)
}
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