Net::Packet::IGMPv4 - Internet Group Management Protocol v4 layer 4 object
use Net::Packet::Consts qw(:igmpv4); require Net::Packet::IGMPv4; # Build a layer my $layer = Net::Packet::IGMPv4->new( version => 2, type => NP_IGMPv4_v2_TYPE_QUERY, maxRespTime => 10, checksum => 0, groupAddress => NP_IGMPv4_GROUP_ADDRESS_ALL_HOSTS, ); $layer->pack; print 'RAW: '.unpack('H*', $layer->raw)."\n"; # Read a raw layer my $layer = Net::Packet::IGMPv4->new(raw => $raw); print $layer->print."\n"; print 'PAYLOAD: '.unpack('H*', $layer->payload)."\n" if $layer->payload;
This modules implements the encoding and decoding of the Internet Group Management Protocol v4 (version 1 and 2) layer.
RFC for version 1: ftp://ftp.rfc-editor.org/in-notes/rfc1112.txt
RFC for version 2: ftp://ftp.rfc-editor.org/in-notes/rfc2236.txt
See also Net::Packet::Layer and Net::Packet::Layer4 for other attributes and methods.
For version 1, you use the following attributes: version, type, unused, checksum, groupAddress.
For version 2, you use the following attributes: type, maxRespTime, checksum, groupAddress.
Object constructor. You can pass attributes that will overwrite default ones. Default values:
version: 2
type: NP_IGMPv4_v2_TYPE_QUERY
maxRespTime: 10
checksum: 0
groupAddress: NP_IGMPv4_GROUP_ADDRESS_ALL_HOSTS
Packs all attributes into a raw format, in order to inject to network. Returns 1 on success, undef otherwise.
Unpacks raw data from network and stores attributes into the object. Returns 1 on success, undef otherwise.
Load them: use Net::Packet::Consts qw(:igmpv4);
IGMPv4 header length.
Various types supported by version 1 of the protocol.
Various types supported by version 2 of the protocol.
Various group addresses supported by all versions of the protocol.
Patrice <GomoR> Auffret
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.
NetPacket, Net::RawIP, Net::RawSock
To install Net::Packet, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Net::Packet
CPAN shell
perl -MCPAN -e shell install Net::Packet
For more information on module installation, please visit the detailed CPAN module installation guide.