Creates a dgram.Socket
object. Once the socket is created, calling
socket.bind()
will instruct the socket to begin listening for datagram
messages. When address
and port
are not passed to socket.bind()
the
method will bind the socket to the "all interfaces" address on a random port
(it does the right thing for both udp4
and udp6
sockets). The bound
address and port can be retrieved using socket.address().address
and
socket.address().port
.