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server.py
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server.py
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import argparse
import time
import logging
from grpc.beta import implementations
from multiping import (
message_pb2, servicer, utils
)
_ARGS_CONFIG = 'config/config_server.json'
parser = argparse.ArgumentParser(description='Multiping server side.')
parser.add_argument('--config', '-c', default=_ARGS_CONFIG,
help='config file (default: {0})'.format(_ARGS_CONFIG))
parser.add_argument('--ssl', action='store_true', help='use SSL')
parser.add_argument('--verbose', '-v', action='store_true',
help='verbose mode')
args = parser.parse_args()
logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO,
format='%(asctime)s %(message)s',
datefmt="%Y-%m-%d %H:%M:%S")
def default_config():
return {
'port': '[::]:50051',
'time_to_sleep': 86400,
'private_key': '',
'certificate_chain': '',
}
def serve(config):
d_config = default_config()
if config is not None:
d_config.update(config)
config = d_config
server = message_pb2.beta_create_Communication_server(
servicer.MessageServicer())
if args.ssl:
if config['private_key'] == '' or config['certificate_chain'] == '':
raise RuntimeError(
'To enable SSL private_key and certificate_chain must be set')
creds = implementations.ssl_server_credentials([(
utils.resource_string(config['private_key']),
utils.resource_string(config['certificate_chain']))])
port = server.add_secure_port('[::]:{0}'.format(config['port']), creds)
else:
port = server.add_insecure_port('[::]:{0}'.format(config['port']))
logging.info('Listening on {0}'.format(port))
server.start()
try:
while True:
time.sleep(config['time_to_sleep'])
except KeyboardInterrupt:
server.stop(0)
def main():
config = utils.load_config(args.config)
serve(config)
if __name__ == '__main__':
main()