// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include "utils/Status.h"

#include <memory>
#include <cstdint>
#include <string>
#include <thread>
#include <grpcpp/grpcpp.h>

namespace zilliz {
namespace milvus {
namespace server {
namespace grpc {

class GrpcServer {
 public:
    static GrpcServer &GetInstance() {
        static GrpcServer grpc_server;
        return grpc_server;
    }

    void Start();
    void Stop();

 private:
    GrpcServer() = default;
    ~GrpcServer() = default;

    Status StartService();
    Status StopService();

 private:
    std::unique_ptr<::grpc::Server> server_ptr_;
    std::shared_ptr<std::thread> thread_ptr_;
};

} // namespace grpc
} // namespace server
} // namespace milvus
} // namespace zilliz