grpc/src/python/grpcio/tests/interop/server.py

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"""The Python implementation of the GRPC interoperability test server."""

import argparse
import logging
import time

from grpc.beta import implementations

from tests.interop import methods
from tests.interop import resources
from tests.interop import test_pb2

_ONE_DAY_IN_SECONDS = 60 * 60 * 24


def serve():
  parser = argparse.ArgumentParser()
  parser.add_argument(
      '--port', help='the port on which to serve', type=int)
  parser.add_argument(
      '--use_tls', help='require a secure connection',
      default=False, type=resources.parse_bool)
  args = parser.parse_args()

  server = test_pb2.beta_create_TestService_server(methods.TestService())
  if args.use_tls:
    private_key = resources.private_key()
    certificate_chain = resources.certificate_chain()
    credentials = implementations.ssl_server_credentials(
        [(private_key, certificate_chain)])
    server.add_secure_port('[::]:{}'.format(args.port), credentials)
  else:
    server.add_insecure_port('[::]:{}'.format(args.port))

  server.start()
  logging.info('Server serving.')
  try:
    while True:
      time.sleep(_ONE_DAY_IN_SECONDS)
  except BaseException as e:
    logging.info('Caught exception "%s"; stopping server...', e)
    server.stop(0)
    logging.info('Server stopped; exiting.')

if __name__ == '__main__':
  serve()