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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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57 lines
1.6 KiB
57 lines
1.6 KiB
# Copyright 2023 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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"""Client of the Python example of TLS.""" |
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import logging |
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import _credentials |
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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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) |
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_LOGGER = logging.getLogger(__name__) |
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_LOGGER.setLevel(logging.INFO) |
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_PORT = 50051 |
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_SERVER_ADDR_TEMPLATE = "localhost:%d" |
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def send_rpc(stub): |
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request = helloworld_pb2.HelloRequest(name="you") |
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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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_LOGGER.error("Received error: %s", rpc_error) |
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return rpc_error |
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else: |
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_LOGGER.info("Received message: %s", response) |
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return response |
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def main(): |
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channel_credential = grpc.ssl_channel_credentials( |
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_credentials.ROOT_CERTIFICATE |
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) |
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with grpc.secure_channel( |
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_SERVER_ADDR_TEMPLATE % _PORT, channel_credential |
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) as channel: |
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stub = helloworld_pb2_grpc.GreeterStub(channel) |
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send_rpc(stub) |
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if __name__ == "__main__": |
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logging.basicConfig(level=logging.INFO) |
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main()
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