GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages
Net::Packet::NULL(3) User Contributed Perl Documentation Net::Packet::NULL(3)

Net::Packet::NULL - BSD loopback layer 2 object

   #
   # Usually, you do not use this module directly
   #
   use Net::Packet::Consts qw(:null);
   require Net::Packet::NULL;

   # Build a layer
   my $layer = Net::Packet::NULL->new;
   $layer->pack;

   print 'RAW: '.unpack('H*', $layer->raw)."\n";

   # Read a raw layer
   my $layer = Net::Packet::NULL->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 BSD loopback layer.

See also Net::Packet::Layer and Net::Packet::Layer2 for other attributes and methods.

type
Stores the type of encapsulated layer.

new
Object constructor. You can pass attributes that will overwrite default ones. Default values:

type: NP_NULL_TYPE_IPv4

pack
Packs all attributes into a raw format, in order to inject to network. Returns 1 on success, undef otherwise.
unpack
Unpacks raw data from network and stores attributes into the object. Returns 1 on success, undef otherwise.
isTypeIpv4
isTypeIpv6
isTypeIp - is type IPv4 or IPv6
Helper methods. Return true is the encapsulated layer is of specified type, false otherwise.

Load them: use Net::Packet::Consts qw(:null);
NP_NULL_HDR_LEN
NULL header length in bytes.
NP_NULL_TYPE_IPv4
NP_NULL_TYPE_IPv6
Various supported encapsulated layer types.

Patrice <GomoR> Auffret

Copyright (c) 2004-2009, 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

Hey! The above document had some coding errors, which are explained below:
Around line 91:
Non-ASCII character seen before =encoding in '# Build'. Assuming CP1252
2009-11-09 perl v5.32.1

Search for    or go to Top of page |  Section 3 |  Main Index

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with ManDoc.