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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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64 lines
1.9 KiB
64 lines
1.9 KiB
# 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 argparse |
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import logging |
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import grpc |
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helloworld_pb2, helloworld_pb2_grpc = grpc.protos_and_services( |
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"helloworld.proto") |
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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('--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('-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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