NAME

Net::Packet::UDP

SYNOPSIS

use Net::Packet::UDP :short;

my $buf = Buf.new([...]);
my $udp = UDP.decode($buf);

say sprintf '%d -> %d: %d\n',
    $udp.src_port, $udp.dst_port, $udp.length;

Prints '53 -> 49875: 90'

EXPORTS

Net::Packet::UDP

:short trait adds exports:

constant UDP ::= Net::Packet::UDP;

DESCRIPTION

Net::Packet::UDP takes a byte buffer and returns a corresponding packet object. The byte buffer can be of the builtin Buf type or the C_Buf type of Net::Pcap.

class Net::Packet::UDP

is Net::Packet::Base

Attributes

$.src_port  is rw is Int
$.dst_port  is rw is Int
  Source/Destination port fields.

$.length    is rw is Int
  Packet length in bytes including header and data.

$.chksum    is rw is Int
  Checksum field for erro checking of the header and data.

$.data      is rw is Buf/C_Buf
  UDP data following the UDP header. Type is the same as the $frame given to .decode().

Methods

.decode($frame, Net::Packet::Base $parent?) returns Net::Packet::UDP
  Returns the UDP packet corresponding to $frame.