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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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37 lines
1.3 KiB
37 lines
1.3 KiB
2 years ago
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# 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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