forked from auracaster/bumble_mirror
57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
# Copyright 2021-2024 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 asyncio
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import logging
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from .common import Transport, StreamPacketSource, StreamPacketSink
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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_unix_client_transport(spec: str) -> Transport:
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'''Open a UNIX socket client transport.
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The parameter is the path of unix socket. For abstract socket, the first character
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needs to be '@'.
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Example:
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* /tmp/hci.socket
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* @hci_socket
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'''
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class UnixPacketSource(StreamPacketSource):
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def connection_lost(self, exc):
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logger.debug(f'connection lost: {exc}')
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self.on_transport_lost()
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# For abstract socket, the first character should be null character.
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if spec.startswith('@'):
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spec = '\0' + spec[1:]
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(
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unix_transport,
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packet_source,
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) = await asyncio.get_running_loop().create_unix_connection(UnixPacketSource, spec)
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packet_sink = StreamPacketSink(unix_transport)
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return Transport(packet_source, packet_sink)
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