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use std::sync::Arc;
use crate::{
proto::pb::{
self,
google::protobuf::Empty,
rpcdb::{
CloseRequest, CloseResponse, CompactRequest, CompactResponse, DeleteRequest,
DeleteResponse, GetRequest, GetResponse, HasRequest, HasResponse, HealthCheckResponse,
IteratorErrorRequest, IteratorErrorResponse, IteratorNextRequest, IteratorNextResponse,
IteratorReleaseRequest, IteratorReleaseResponse, NewIteratorWithStartAndPrefixRequest,
NewIteratorWithStartAndPrefixResponse, PutRequest, PutResponse, WriteBatchRequest,
WriteBatchResponse,
},
},
subnet::rpc::database::{rpcdb::error_to_error_code, DatabaseError},
};
use prost::bytes::Bytes;
use tokio::sync::RwLock;
use tonic::{Request, Response, Status};
use zerocopy::AsBytes;
pub struct Server {
pub inner: Arc<RwLock<Box<dyn crate::subnet::rpc::database::Database + Send + Sync>>>,
}
impl Server {
pub fn new(
db: Box<dyn crate::subnet::rpc::database::Database + Send + Sync>,
) -> impl pb::rpcdb::database_server::Database {
Server {
inner: Arc::new(RwLock::new(db)),
}
}
}
#[tonic::async_trait]
impl pb::rpcdb::database_server::Database for Server {
async fn has(&self, request: Request<HasRequest>) -> Result<Response<HasResponse>, Status> {
let req = request.into_inner();
let db = self.inner.read().await;
match db.has(req.key.as_bytes()).await {
Ok(has) => Ok(Response::new(HasResponse {
has,
err: DatabaseError::None as u32,
})),
Err(e) => Ok(Response::new(HasResponse {
has: false,
err: error_to_error_code(&e.to_string()).unwrap(),
})),
}
}
async fn get(&self, request: Request<GetRequest>) -> Result<Response<GetResponse>, Status> {
let req = request.into_inner();
let db = self.inner.read().await;
match db.get(req.key.as_bytes()).await {
Ok(resp) => Ok(Response::new(GetResponse {
value: Bytes::from(resp),
err: DatabaseError::None as u32,
})),
Err(e) => Ok(Response::new(GetResponse {
value: Bytes::from(""),
err: error_to_error_code(&e.to_string()).unwrap(),
})),
}
}
async fn put(&self, request: Request<PutRequest>) -> Result<Response<PutResponse>, Status> {
let req = request.into_inner();
let mut db = self.inner.write().await;
match db.put(req.key.as_bytes(), req.value.as_bytes()).await {
Ok(_) => Ok(Response::new(PutResponse {
err: DatabaseError::None as u32,
})),
Err(e) => Ok(Response::new(PutResponse {
err: error_to_error_code(&e.to_string()).unwrap(),
})),
}
}
async fn delete(
&self,
request: Request<DeleteRequest>,
) -> Result<Response<DeleteResponse>, Status> {
let req = request.into_inner();
let mut db = self.inner.write().await;
match db.delete(req.key.as_bytes()).await {
Ok(_) => Ok(Response::new(DeleteResponse {
err: DatabaseError::None as u32,
})),
Err(e) => Ok(Response::new(DeleteResponse {
err: error_to_error_code(&e.to_string()).unwrap(),
})),
}
}
async fn compact(
&self,
_request: Request<CompactRequest>,
) -> Result<Response<CompactResponse>, Status> {
Err(Status::unimplemented("compact"))
}
async fn close(
&self,
_request: Request<CloseRequest>,
) -> Result<Response<CloseResponse>, Status> {
let db = self.inner.read().await;
match db.close().await {
Ok(_) => Ok(Response::new(CloseResponse {
err: DatabaseError::None as u32,
})),
Err(e) => Ok(Response::new(CloseResponse {
err: error_to_error_code(&e.to_string()).unwrap(),
})),
}
}
async fn health_check(
&self,
_request: Request<Empty>,
) -> Result<Response<HealthCheckResponse>, Status> {
let db = self.inner.read().await;
match db.health_check().await {
Ok(health) => match serde_json::to_string(&health) {
Ok(details) => Ok(Response::new(HealthCheckResponse {
details: Bytes::from(details),
})),
Err(e) => Err(tonic::Status::unknown(e.to_string())),
},
Err(e) => Err(tonic::Status::unknown(e.to_string())),
}
}
async fn write_batch(
&self,
_request: Request<WriteBatchRequest>,
) -> Result<Response<WriteBatchResponse>, Status> {
Err(Status::unimplemented("write batch"))
}
async fn new_iterator_with_start_and_prefix(
&self,
_request: Request<NewIteratorWithStartAndPrefixRequest>,
) -> Result<Response<NewIteratorWithStartAndPrefixResponse>, Status> {
Err(Status::unimplemented("new iterator with start and prefix"))
}
async fn iterator_next(
&self,
_request: Request<IteratorNextRequest>,
) -> Result<Response<IteratorNextResponse>, Status> {
Err(Status::unimplemented("iterator next"))
}
async fn iterator_error(
&self,
_request: Request<IteratorErrorRequest>,
) -> Result<Response<IteratorErrorResponse>, Status> {
Err(Status::unimplemented("iterator error"))
}
async fn iterator_release(
&self,
_request: Request<IteratorReleaseRequest>,
) -> Result<Response<IteratorReleaseResponse>, Status> {
Err(Status::unimplemented("iterator release"))
}
}