You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: native_server.rb
    path of file: ./repos/metasploit-framework/modules/auxiliary/server/dns
    
    the code of the file until where you have to start completion: ##
# This module req
    
  def run
    begin
      start_service
      service.wait
    rescue Rex::BindFailed => e
      print_error "Failed to bind to port #{datastore['RPORT']}: #{e.message}"
    end