@impl GenServer
def init([]) do
- {:ok, %FlakeId{node: mac(), time: time()}}
+ {:ok, %FlakeId{node: worker_id(), time: time()}}
end
@impl GenServer
1_000_000_000 * mega_seconds + seconds * 1000 + :erlang.trunc(micro_seconds / 1000)
end
- def mac do
- {:ok, addresses} = :inet.getifaddrs()
-
- macids =
- Enum.reduce(addresses, [], fn {_iface, attrs}, acc ->
- case attrs[:hwaddr] do
- [0, 0, 0 | _] -> acc
- mac when is_list(mac) -> [mac_to_worker_id(mac) | acc]
- _ -> acc
- end
- end)
-
- List.first(macids)
- end
-
- def mac_to_worker_id(mac) do
- <<worker::integer-size(48)>> = :binary.list_to_bin(mac)
+ defp worker_id() do
+ <<worker::integer-size(48)>> = :crypto.strong_rand_bytes(6)
worker
end
end