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kadabra

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HTTP2 client for Elixir

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kadabra lib frame ping.ex
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lib/frame/ping.ex 

defmodule Kadabra.Frame.Ping do

  @moduledoc false



  defstruct [:data, ack: false]



  alias Kadabra.Frame

  alias Kadabra.Frame.Flags



  @type t :: %__MODULE__{

    ack: boolean,

    data: <<_::32>>

  }



  def new do

    %__MODULE__{

      data: <<0, 0, 0, 0, 0, 0, 0, 0>>,

      ack: false

    }

  end



  def new(%Frame{type: 0x6, payload: data, flags: flags}) do

    %__MODULE__{

      data: data,

      ack: Flags.ack?(flags)

    }

  end



  def new(opts) do

    %__MODULE__{

      data: opts[:data],

      ack: opts[:ack]

    }

  end



  def ack_flag(%{ack: true}), do: 0x1

  def ack_flag(%{ack: false}), do: 0x0

end



defimpl Kadabra.Encodable, for: Kadabra.Frame.Ping do

  alias Kadabra.Http2

  alias Kadabra.Frame.Flags



  def to_bin(frame) do

    ack = if frame.ack, do: Flags.ack, else: 0x0

    Http2.build_frame(0x6, ack, 0x0, frame.data)

  end

end