class HTTPClient::Session

def read_body_chunked(&block)
  buf = empty_bin_str
  while true
   ::Timeout.timeout(@receive_timeout, ReceiveTimeoutError) do
      len = @socket.gets(RS)
      if len.nil? # EOF
        close
        return
      end
      @chunk_length = len.hex
      if @chunk_length == 0
        @content_length = 0
        @socket.gets(RS)
        return
      end
      @socket.read(@chunk_length, buf)
      @socket.read(2)
    end
    unless buf.empty?
      yield buf
    end
  end
end