class Curl::WebMockCurlEasy

def invoke_curb_callbacks
  @on_progress.call(0.0,1.0,0.0,1.0) if defined?( @on_progress )
  self.header_str.lines.each { |header_line| @on_header.call header_line } if defined?( @on_header )
  if defined?( @on_body )
    if chunked_response?
      self.body_str.each do |chunk|
        @on_body.call(chunk)
      end
    else
      @on_body.call(self.body_str)
    end
  end
  @on_complete.call(self) if defined?( @on_complete )
  case response_code
  when 200..299
    @on_success.call(self) if defined?( @on_success )
  when 400..499
    @on_missing.call(self, self.response_code) if defined?( @on_missing )
  when 500..599
    @on_failure.call(self, self.response_code) if defined?( @on_failure )
  end
end