NAME

Net::Write::Layer4 - object for a transport layer (layer 4) descriptor

SYNOPSIS

            

              
              
use Net::Write::Layer qw(:constants);
use Net::Write::Layer4;
my $desc = Net::Write::Layer4->new(
   dst      => '192.168.0.1',
   protocol => NW_IPPROTO_TCP,
   family   => NW_AF_INET,
);
$desc->open;
$desc->send('G'x666);
$desc->close;
            
          

DESCRIPTION

This is the class for creating a layer 4 descriptor.

ATTRIBUTES

dst

The target IPv4 or IPv6 address we will send frames to.

family

Address family, see Net::Write::Layer CONSTANTS section.

protocol

Transport layer protocol to use, see Net::Write::Layer CONSTANTS section.

METHODS

new

Object constructor. You MUST pass a valid dst attribute. Default values:

protocol: NW_IPPROTO_TCP

family: NW_AF_INET

Returns undef on error.

open

Open the interface. Returns undef on error.

send (scalar)

Send raw data to the network.

close

Close the descriptor.

CAVEATS

Does not work at all under Win32 systems. They can't send frames at layer 4.

SEE ALSO

Net::Write::Layer

AUTHOR

Patrice <GomoR> Auffret

COPYRIGHT AND LICENSE

Copyright (c) 2006-2015, Patrice <GomoR> Auffret

You may distribute this module under the terms of the Artistic license. See LICENSE.Artistic file in the source distribution archive.