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grpc_server.py
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grpc_server.py
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"""GRPC server
- registers a gNMI service
- starts the server as a daemon
"""
import threading
from concurrent import futures
import grpc
import otg_service
import argparse
class GrpcServer(object):
"""A grpc server that exposes the `IxNetwork Open Traffic Generator Service`
"""
def __init__(self, address='[::]:5005'):
self._server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
otg_service.OtgService(self._server)
self._server.add_insecure_port(address)
self._thread = threading.Thread(target=self._run, daemon=True)
def _run(self):
self._server.start()
def start(self):
self._thread.start()
self._server.wait_for_termination()
def stop(self):
self._server.stop(grace=0)
self._thread.join(timeout=10)
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='Start the IxNetwork open traffic generator service')
parser.add_argument('--demo',
action='store_true',
help='Demo mode that returns default metrics')
parser.add_argument(
'--address',
type=str,
default='[::]:5050',
help='Listening address, default ADDRESS is localhost:5050')
args = parser.parse_args()
# start the grpc service
server = GrpcServer(address=args.address)
server.start()