# File lib/rds/rds.rb, line 58
    def do_request(action, params, options={})
      link = generate_request(action, params)
      resp = request_info_xml_simple(self.class.connection_name, @params, link, @logger,
                                     :group_tags     =>{"DBInstances"      =>"DBInstance",
                                                        "DBParameterGroups"=>"DBParameterGroup",
                                                        "DBSecurityGroups" =>"DBSecurityGroup",
                                                        "EC2SecurityGroups"=>"EC2SecurityGroup",
                                                        "IPRanges"         =>"IPRange"},
                                     :force_array    =>["DBInstances",
                                                        "DBParameterGroups",
                                                        "DBSecurityGroups",
                                                        "EC2SecurityGroups",
                                                        "IPRanges"],
                                     :pull_out_array =>options[:pull_out_array],
                                     :pull_out_single=>options[:pull_out_single],
                                     :wrapper        =>options[:wrapper])
    end