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kadabra

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HTTP2 client for Elixir

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kadabra lib connection ssl.ex
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lib/connection/ssl.ex 

defmodule Kadabra.Connection.Ssl do

  @moduledoc false



  @type sock :: {:sslsocket, any, pid | {any, any}}



  @type connection_result :: {:ok, sock}

                           | {:error, :not_implmenented}

                           | {:error, :bad_scheme}



  @spec connect(charlist, Keyword.t) :: connection_result

  def connect(uri, opts) do

    case opts[:scheme] do

      :http -> {:error, :not_implemented}

      :https -> do_connect(uri, opts)

      _ -> {:error, :bad_scheme}

    end

  end



  defp do_connect(uri, opts) do

    :ssl.start()

    ssl_opts = options(opts[:ssl])

    :ssl.connect(uri, opts[:port], ssl_opts)

  end



  @spec options(Keyword.t | nil) :: [...]

  def options(nil), do: options([])

  def options(opts) do

    opts ++ [

      {:active, :once},

      {:packet, :raw},

      {:reuseaddr, false},

      {:alpn_advertised_protocols, [<<"h2">>]},

      :binary

    ]

  end

end