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.