.\" Copyright (c) 2018-2022, OARC, Inc. .\" All rights reserved. .\" .\" This file is part of dnsjit. .\" .\" dnsjit is free software: you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by .\" the Free Software Foundation, either version 3 of the License, or .\" (at your option) any later version. .\" .\" dnsjit is distributed in the hope that it will be useful, .\" but WITHOUT ANY WARRANTY; without even the implied warranty of .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the .\" GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public License .\" along with dnsjit. If not, see . .\" .TH dnsjit.core.object.udp 3 "1.2.3" "dnsjit" .SH NAME dnsjit.core.object.udp \- A UDP datagram header .SH DESCRIPTION A UDP datagram header. The data itself is in the .I dnsjit.core.object.payload object, which is the next object in the chain after parsing with, for example, .IR dnsjit.filter.layer . .SS Attributes .TP sport Source port. .TP dport Destination port. .TP ulen UDP length (as described in the UDP header). .TP sum Checksum. .SS Functions .TP .BR Udp:type "()" Return the textual type of the object. .TP .BR Udp:prev "()" Return the previous object. .TP .BR Udp:cast "()" Cast the object to the underlining object module and return it. .TP .BR Udp:uncast "()" Cast the object to the generic object module and return it. .TP .BR Udp:copy "()" Make a copy of the object and return it. .TP .BR Udp:free "()" Free the object, should only be used on copies or otherwise allocated. .SH SEE ALSO .BR dnsjit.core.object (3), .BR dnsjit.core.object.payload (3), .BR dnsjit.filter.layer (3) .SH AUTHORS and CONTRIBUTORS Jerry Lundström (DNS-OARC), Tomáš Křížek (CZ.NIC), Petr Špaček (ISC) .LP Maintained by DNS-OARC .LP .RS .I https://www.dns-oarc.net/ .RE .LP .SH BUGS For issues and feature requests please use: .LP .RS \fIhttps://github.com/DNS-OARC/dnsjit/issues\fP .RE .LP For question and help please use: .LP .RS \fIadmin@dns-oarc.net\fP .RE .LP