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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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36 lines
1.3 KiB
36 lines
1.3 KiB
# Copyright 2023 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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"""The Python implementation of the GRPC helloworld.Greeter client.""" |
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import logging |
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import grpc |
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import helloworld_pb2 |
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import helloworld_pb2_grpc |
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def run(): |
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print("Will try to greet world ...") |
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options = (("grpc.lb_policy_name", "round_robin"),) |
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# Load balancing takes effect when the DNS server returns multiple IPs for the DNS hostname. |
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# Replace "localhost" with such hostname to see the round robin LB policy take effect. |
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with grpc.insecure_channel("localhost:50051", options=options) as channel: |
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stub = helloworld_pb2_grpc.GreeterStub(channel) |
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response = stub.SayHello(helloworld_pb2.HelloRequest(name="you")) |
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print("Greeter client received: " + response.message) |
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if __name__ == "__main__": |
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logging.basicConfig() |
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run()
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