NAME
Net::Packet::UDP - User Datagram Protocol layer 4 object
SYNOPSIS
use Net::Packet::Consts qw(:udp);
require Net::Packet::UDP;
# Build a layer
my $layer = Net::Packet::UDP->new(
dst => 31222,
);
$layer->pack;
print 'RAW: '.unpack('H*', $layer->raw)."\n";
# Read a raw layer
my $layer = Net::Packet::UDP->new(raw = $raw);
print $layer->print."\n";
print 'PAYLOAD: '.unpack('H*', $layer->payload)."\n"
if $layer->payload;DESCRIPTION
This modules implements the encoding and decoding of the UDP layer.
RFC: ftp://ftp.rfc-editor.org/in-notes/rfc768.txt
See also Net::Packet::Layer and Net::Packet::Layer4 for other attributes and methods.
ATTRIBUTES
- src
- dst
-
Source and destination ports.
- length
-
The length in bytes of the datagram, including layer 7 payload (that is, layer 4 + layer 7).
- checksum
-
Checksum of the datagram.
METHODS
- new
-
Object constructor. You can pass attributes that will overwrite default ones. Default values:
src: getRandomHighPort()
dst: 0
length: 0
checksum: 0
- recv
-
Will search for a matching replies in framesSorted or frames from a Net::Packet::Dump object.
- pack
-
Packs all attributes into a raw format, in order to inject to network. Returns 1 on success, undef otherwise.
- unpack
-
Unpacks raw data from network and stores attributes into the object. Returns 1 on success, undef otherwise.
- getPayloadLength
-
Returns the length in bytes of payload (layer 7 object).
AUTHOR
Patrice <GomoR> Auffret
COPYRIGHT AND LICENSE
Copyright (c) 2004-2006, Patrice <GomoR> Auffret
You may distribute this module under the terms of the Artistic license. See LICENSE.Artistic file in the source distribution archive.