# Copyright 2021 The Kubeflow Authors.
#
# Licensed 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.

import grpc
from concurrent import futures
import time

from pkg.apis.manager.v1beta1.python import api_pb2_grpc
from pkg.apis.manager.health.python import health_pb2_grpc
from pkg.suggestion.v1beta1.nas.enas.service import EnasService


_ONE_DAY_IN_SECONDS = 60 * 60 * 24
DEFAULT_PORT = "0.0.0.0:6789"


def serve():
    print("ENAS Suggestion Service")
    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
    service = EnasService()
    api_pb2_grpc.add_SuggestionServicer_to_server(service, server)
    health_pb2_grpc.add_HealthServicer_to_server(service, server)
    server.add_insecure_port(DEFAULT_PORT)
    print("Listening...")
    server.start()
    try:
        while True:
            time.sleep(_ONE_DAY_IN_SECONDS)
    except KeyboardInterrupt:
        server.stop(0)


if __name__ == "__main__":
    serve()
