async def multicast(
loop: asyncio.AbstractEventLoop,
services: typing.List[str],
address: str = "224.0.0.251",
port: int = 5353,
timeout: int = 4,
end_condition: typing.Optional[typing.Callable[[Response], bool]] = None,
) -> typing.Dict[IPv4Address, Response]:
"""Send multicast request for services."""
protocol = MulticastDnsSdClientProtocol(
loop, services, address, port, end_condition
)
# Socket listening on 5353 from anywhere
await protocol.add_socket(net.mcast_socket(None, 5353))
# One socket per local IP address
for addr in net.get_private_addresses():
try:
await protocol.add_socket(net.mcast_socket(str(addr)))
except Exception: # pylint: disable=broad-except
_LOGGER.exception(f"failed to add listener for {addr}")
return await typing.cast(MulticastDnsSdClientProtocol, protocol).get_response(
timeout
)
async def multicast(
loop: asyncio.AbstractEventLoop,
services: List[str],
address: str = "224.0.0.251",
port: int = 5353,
timeout: int = 4,
) -> Dict[IPv4Address, Response]:
"""Send multicast request for services."""
protocol = MulticastDnsSdClientProtocol(loop, services, address, port)
# Socket listening on 5353 from anywhere
await protocol.add_socket(net.mcast_socket(None, 5353))
# One socket per local IP address
for addr in net.get_private_addresses():
try:
await protocol.add_socket(net.mcast_socket(str(addr)))
except Exception:
_LOGGER.exception(f"failed to add listener for {addr}")
return await cast(MulticastDnsSdClientProtocol, protocol).get_response(timeout)