NAME

Net::Packet::DescL4 - object for a transport layer (layer 4) descriptor

SYNOPSIS

   use Net::Packet::DescL4;

   # Get NP_DESC_* constants
   use Net::Packet::Consts qw(:desc);

   # Usually, you use it to send TCP and UDP frames over IPv4
   my $d4 = Net::Packet::DescL4->new(
      target   => '192.168.0.1',
      protocol => NP_DESC_IPPROTO_TCP,
   );

   $d4->send($rawStringToNetwork);

DESCRIPTION

See also Net::Packet::Desc for other attributes and methods.

ATTRIBUTES

target

IPv4 address of the target host. You must set it to be able to send frames.

protocol

Transport protocol to use, see NP_DESC_IPPROTO_* constants in Net::Packet::Desc. You must set it to be able to send frames.

family

The family address of target attribute. It is either NP_LAYER_IPv4 or NP_LAYER_IPv6.

METHODS

new

Create the object. When the object is created, the $Net::Packet::Env object as its desc attributes set to it. Use noEnvSet to avoid that. Default values:

protocol: NP_DESC_IPPROTO_TCP

family : NP_LAYER_IPv4

isFamilyIpv4
isFamilyIpv6
isFamilyIp - either one of two previous

Helper method to know about the layer 3 type.

isProtocolTcp
isProtocolUdp
isProtocolIcmpv4

Returns if the protocol attribute is of specified type.

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.

RELATED MODULES

NetPacket, Net::RawIP, Net::RawSock