mirror of
https://github.com/php-win-ext/grpc.git
synced 2026-03-24 09:02:15 +01:00
de6ed9ba9f
- Switched from yapf to black - Reconfigure isort for black - Resolve black/pylint idiosyncrasies Note: I used `--experimental-string-processing` because black was producing "implicit string concatenation", similar to what described here: https://github.com/psf/black/issues/1837. While currently this feature is experimental, it will be enabled by default: https://github.com/psf/black/issues/2188. After running black with the new string processing so that the generated code merges these `"hello" " world"` strings concatenations, then I removed `--experimental-string-processing` for stability, and regenerated the code again. To the reviewer: don't even try to open "Files Changed" tab 😄 It's better to review commit-by-commit, and ignore `run black and isort`.
96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
# Copyright 2020 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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from concurrent.futures import ThreadPoolExecutor
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import logging
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import threading
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import time
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from typing import Iterable
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from google.protobuf.json_format import MessageToJson
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import grpc
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import phone_pb2
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import phone_pb2_grpc
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def create_state_response(
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call_state: phone_pb2.CallState.State,
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) -> phone_pb2.StreamCallResponse:
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response = phone_pb2.StreamCallResponse()
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response.call_state.state = call_state
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return response
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class Phone(phone_pb2_grpc.PhoneServicer):
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def __init__(self):
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self._id_counter = 0
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self._lock = threading.RLock()
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def _create_call_session(self) -> phone_pb2.CallInfo:
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call_info = phone_pb2.CallInfo()
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with self._lock:
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call_info.session_id = str(self._id_counter)
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self._id_counter += 1
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call_info.media = "https://link.to.audio.resources"
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logging.info("Created a call session [%s]", MessageToJson(call_info))
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return call_info
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def _clean_call_session(self, call_info: phone_pb2.CallInfo) -> None:
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logging.info("Call session cleaned [%s]", MessageToJson(call_info))
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def StreamCall(
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self,
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request_iterator: Iterable[phone_pb2.StreamCallRequest],
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context: grpc.ServicerContext,
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) -> Iterable[phone_pb2.StreamCallResponse]:
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try:
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request = next(request_iterator)
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logging.info(
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"Received a phone call request for number [%s]",
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request.phone_number,
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)
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except StopIteration:
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raise RuntimeError("Failed to receive call request")
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# Simulate the acceptance of call request
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time.sleep(1)
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yield create_state_response(phone_pb2.CallState.NEW)
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# Simulate the start of the call session
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time.sleep(1)
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call_info = self._create_call_session()
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context.add_callback(lambda: self._clean_call_session(call_info))
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response = phone_pb2.StreamCallResponse()
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response.call_info.session_id = call_info.session_id
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response.call_info.media = call_info.media
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yield response
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yield create_state_response(phone_pb2.CallState.ACTIVE)
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# Simulate the end of the call
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time.sleep(2)
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yield create_state_response(phone_pb2.CallState.ENDED)
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logging.info("Call finished [%s]", request.phone_number)
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def serve(address: str) -> None:
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server = grpc.server(ThreadPoolExecutor())
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phone_pb2_grpc.add_PhoneServicer_to_server(Phone(), server)
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server.add_insecure_port(address)
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server.start()
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logging.info("Server serving at %s", address)
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server.wait_for_termination()
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO)
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serve("[::]:50051")
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