class Fluent::PluginHelper::Server::EventHandler::UDPServer

def on_readable_without_sock
  begin
    data = @sock.recv(@max_bytes, @flags)
  rescue Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::EINTR, Errno::ECONNRESET, IOError, Errno::EBADF
    return
  end
  @callback.call(data)
rescue => e
  @log.error "unexpected error in processing UDP data", error: e
  @log.error_backtrace
  raise if @under_plugin_development
end