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48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# Copyright 2021-2022 Google LLC
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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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# https://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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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import logging
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import websockets.client
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from .common import PumpedPacketSource, PumpedPacketSink, PumpedTransport, Transport
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# -----------------------------------------------------------------------------
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# Logging
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# -----------------------------------------------------------------------------
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logger = logging.getLogger(__name__)
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# -----------------------------------------------------------------------------
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async def open_ws_client_transport(spec: str) -> Transport:
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'''
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Open a WebSocket client transport.
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The parameter string has this syntax:
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<websocket-url>
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Example: ws://localhost:7681/v1/websocket/bt
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'''
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websocket = await websockets.client.connect(spec)
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transport = PumpedTransport(
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PumpedPacketSource(websocket.recv),
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PumpedPacketSink(websocket.send),
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websocket.close,
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)
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transport.start()
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return transport
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