mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""Models for Zeroconf."""
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from typing import Any
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from zeroconf import DNSAddress, DNSRecord, Zeroconf
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from zeroconf.asyncio import AsyncServiceBrowser, AsyncZeroconf
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TYPE_AAAA = 28
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class HaZeroconf(Zeroconf):
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"""Zeroconf that cannot be closed."""
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def close(self) -> None:
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"""Fake method to avoid integrations closing it."""
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ha_close = Zeroconf.close
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class HaAsyncZeroconf(AsyncZeroconf):
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"""Home Assistant version of AsyncZeroconf."""
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async def async_close(self) -> None:
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"""Fake method to avoid integrations closing it."""
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ha_async_close = AsyncZeroconf.async_close
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class HaAsyncServiceBrowser(AsyncServiceBrowser):
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"""ServiceBrowser that only consumes DNSPointer records."""
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def __init__(self, ipv6: bool, *args: Any, **kwargs: Any) -> None:
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"""Create service browser that filters ipv6 if it is disabled."""
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self.ipv6 = ipv6
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super().__init__(*args, **kwargs)
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def update_record(self, zc: Zeroconf, now: float, record: DNSRecord) -> None:
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"""Pre-Filter AAAA records if IPv6 is not enabled."""
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if (
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not self.ipv6
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and isinstance(record, DNSAddress)
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and record.type == TYPE_AAAA
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):
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return
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super().update_record(zc, now, record)
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