USA

"""

import asyncio

import ipaddress

import random

from functools import lru_cache

from .._logger import log

from .._protocol.outgoing import DNSOutgoing

from .._updates import RecordUpdate, RecordUpdateListener

from .._utils.asyncio import get_running_loop, run_coro_with_timeout

from .._utils.asyncio import (

get_running_loop,

run_coro_with_timeout,

wait_event_or_timeout,

)

from .._utils.name import service_type_name

from .._utils.net import IPVersion, _encode_address

from .._utils.time import current_time_millis

from .._utils.time import current_time_millis, millis_to_seconds

from ..const import (

_CLASS_IN,

_CLASS_UNIQUE,

self.host_ttl = host_ttl

self.other_ttl = other_ttl

self.interface_index = interface_index

self._notify_event: Optional[asyncio.Event] = None

@property

def name(self) -> str:

"""

return self._properties

async def async_wait(self, timeout: float) -> None:

"""Calling task waits for a given number of milliseconds or until notified."""

if self._notify_event is None:

self._notify_event = asyncio.Event()

await wait_event_or_timeout(self._notify_event, timeout=millis_to_seconds(timeout))

def addresses_by_version(self, version: IPVersion) -> List[bytes]:

"""List addresses matching IP version.

This method will be run in the event loop.

"""

self._process_records_threadsafe(zc, now, records)

if self._process_records_threadsafe(zc, now, records) and self._notify_event:

self._notify_event.set()

self._notify_event.clear()

def _process_records_threadsafe(self, zc: 'Zeroconf', now: float, records: List[RecordUpdate]) -> bool:

"""Thread safe record updating.

delay *= 2

next_ += random.randint(*_AVOID_SYNC_DELAY_RANDOM_INTERVAL)

await zc.async_wait(min(next_, last) - now)

await self.async_wait(min(next_, last) - now)

now = current_time_millis()

finally:

zc.async_remove_listener(self)