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kadabra

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HTTP2 client for Elixir

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kadabra lib hpack.ex
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lib/hpack.ex 

defmodule Kadabra.Hpack do

  @moduledoc false



  use GenServer



  def start_link do

    GenServer.start_link(__MODULE__, :ok)

  end



  def encode(pid, headers) do

    GenServer.call(pid, {:encode, headers})

  end



  def decode(pid, headers) do

    GenServer.call(pid, {:decode, headers})

  end



  def update_max_table_size(pid, size) do

    GenServer.call(pid, {:new_max_table_size, size})

  end



  ## Callbacks



  def init(:ok) do

    {:ok, :hpack.new_context()}

  end



  def handle_call({:encode, headers}, _pid, state) do

    {:ok, {bin, new_state}} = :hpack.encode(headers, state)

    {:reply, {:ok, bin}, new_state}

  end



  def handle_call({:decode, header_block_fragment}, _pid, state) do

    {:ok, {headers, new_state}} = :hpack.decode(header_block_fragment, state)

    {:reply, {:ok, headers}, new_state}

  end



  def handle_call({:new_max_table_size, size}, _pid, state) do

    new_state = :hpack.new_max_table_size(size, state)

    {:reply, :ok, new_state}

  end

end