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extreme

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Elixir TCP client for EventStore.

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extreme lib extreme response.ex
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lib/extreme/response.ex 

defmodule Extreme.Response do

  require Logger



  def get_correlation_id(<<_message_type, _auth, correlation_id::16-binary, _data::binary>>),

    do: correlation_id



  def parse(<<message_type, auth, correlation_id::16-binary, data::binary>>) do

    case Extreme.MessageResolver.decode_cmd(message_type) do

      :not_authenticated ->

        {:error, :not_authenticated, correlation_id}



      :heartbeat_request_command ->

        {:heartbeat_request, correlation_id}



      :pong ->

        {:pong, correlation_id}



      :client_identified ->

        {:client_identified, correlation_id}



      :bad_request ->

        {:error, :bad_request, correlation_id}



      response_struct ->

        data = response_struct.decode(data)

        {auth, correlation_id, data}

    end

  end



  def reply(%{result: error} = msg, _correlation_id) when error != :success,

    do: {:error, error, msg}



  def reply(response, _correlation_id), do: {:ok, response}

end