mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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65 lines
1.8 KiB
65 lines
1.8 KiB
6 years ago
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# Copyright 2019 The gRPC Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Send multiple greeting messages to the backend."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import logging
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import argparse
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import grpc
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from examples import helloworld_pb2
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from examples import helloworld_pb2_grpc
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def process(stub, request):
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try:
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response = stub.SayHello(request)
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except grpc.RpcError as rpc_error:
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print('Received error: %s' % rpc_error)
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else:
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print('Received message: %s' % response)
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def run(addr, n):
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with grpc.insecure_channel(addr) as channel:
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stub = helloworld_pb2_grpc.GreeterStub(channel)
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request = helloworld_pb2.HelloRequest(name='you')
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for _ in range(n):
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process(stub, request)
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--addr',
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nargs=1,
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type=str,
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default='[::]:50051',
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help='the address to request')
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parser.add_argument(
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'-n',
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nargs=1,
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type=int,
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default=10,
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help='an integer for number of messages to sent')
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args = parser.parse_args()
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run(addr=args.addr, n=args.n)
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if __name__ == '__main__':
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logging.basicConfig()
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main()
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