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ex_ice

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Implementation of trickle ICE protocol

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ex_ice lib ex_ice priv app.ex
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lib/ex_ice/priv/app.ex 

defmodule ExICE.Priv.App do

  @moduledoc false

  use Application



  require Logger



  @impl true

  def start(_type, _args) do

    kernel_ver = kernel_version()



    children =

      if kernel_ver >= {9, 1} do

        [{ExICE.Priv.MDNS.Resolver, :gen_udp}]

      else

        Logger.warning("""

        Not starting MDNS resolver as it requires kernel version >= 9.1.

        Detected kernel version: #{inspect(kernel_ver)}

        """)



        []

      end



    Supervisor.start_link(children, strategy: :one_for_one)

  end



  defp kernel_version() do

    ver =

      Application.spec(:kernel, :vsn)

      |> to_string()

      |> String.split(".")



    major = Enum.at(ver, 0) |> String.to_integer()

    minor = Enum.at(ver, 1) |> String.to_integer()



    {major, minor}

  end

end