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Net::Packet::PPPLCP(3) User Contributed Perl Documentation Net::Packet::PPPLCP(3)

Net::Packet::PPPLCP - PPP Link Control Protocol layer 3 object

   use Net::Packet::Consts qw(:ppplcp);
   require Net::Packet::PPPLCP;

   # Build a layer
   my $layer = Net::Packet::PPPLCP->new(
      code        => NP_PPPLCP_CODE_ECHO_REQUEST,
      identifier  => 1,
      length      => NP_PPPLCP_HDR_LEN,
      magicNumber => 0xffffffff,
   );
   $layer->pack;

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

   # Read a raw layer
   my $layer = Net::Packet::PPPLCP->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 PPP Link Control Protocol layer.

See also Net::Packet::Layer and Net::Packet::Layer3 for other attributes and methods.

code - 8 bits
identifier - 8 bits
length - 16 bits
magicNumber - 32 bits

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

code: NP_PPPLCP_CODE_ECHO_REQUEST

identifier: 1

length: NP_PPPLCP_HDR_LEN

magicNumber: 0xffffffff

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.

Load them: use Net::Packet::Consts qw(:ppplcp);
NP_PPPLCP_HDR_LEN
PPP LCP header length.
NP_PPPLCP_CODE_ECHO_REQUEST
NP_PPPLCP_CODE_ECHO_REPLY
Various supported PPP LCP codes.

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
2009-11-09 perl v5.32.1

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