from concurrent import futures

import socket
import time

import grpc
import grpcdemo_pb2
import grpcdemo_pb2_grpc

import subprocess

DELAY   = 6
ONE_DAY = 60 * 60 * 24  # Sleep time in seconds
PORTNO  = 6000

class HostCommand(grpcdemo_pb2_grpc.HostCommandServicer):

  def runcommand(self, request, context):
    time.sleep(DELAY)
    return grpcdemo_pb2.Results(cmd_results=subprocess.check_output(request.command.split()))


def serve():
  server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
  grpcdemo_pb2_grpc.add_HostCommandServicer_to_server(HostCommand(), server)
  server.add_insecure_port('[::]:%s' % PORTNO)
  server.start()
  try:
    while True:
      time.sleep(ONE_DAY)
  except KeyboardInterrupt:
    server.stop(0)

if __name__ == '__main__':
  serve()