Patrice Auffret > Net-Frame-Layer-LLC-1.02 > Net::Frame::Layer::LLC

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Module Version: 1.02   Source  

NAME ^

Net::Frame::Layer::LLC - Logical-Link Control layer object

SYNOPSIS ^

   use Net::Frame::Layer::LLC qw(:consts);

   # Build a layer
   my $layer = Net::Frame::Layer::LLC->new(
      dsap    => NF_LLC_DSAP_SNAP,
      ig      => 1,
      ssap    => NF_LLC_SSAP_SNAP,
      cr      => 1,
      control => 0x03,
   );
   $layer->pack;

   print 'RAW: '.$layer->dump."\n";

   # Read a raw layer
   my $layer = Net::Frame::Layer::LLC->new(raw => $raw);

   print $layer->print."\n";
   print 'PAYLOAD: '.unpack('H*', $layer->payload)."\n"
      if $layer->payload;

DESCRIPTION ^

This modules implements the encoding and decoding of the Logical-Link Control layer.

See also Net::Frame::Layer for other attributes and methods.

ATTRIBUTES ^

dsap - 7 bits
ig - 1 bit
ssap - 7 bits
cr - 1 bit
control - 8 bits

The following are inherited attributes. See Net::Frame::Layer for more information.

raw
payload
nextLayer

METHODS ^

new
new (hash)

Object constructor. You can pass attributes that will overwrite default ones. See SYNOPSIS for default values.

The following are inherited methods. Some of them may be overriden in this layer, and some others may not be meaningful in this layer. See Net::Frame::Layer for more information.

layer
computeLengths
computeChecksums
pack
unpack
encapsulate
getLength
getPayloadLength
print
dump

CONSTANTS ^

Load them: use Net::Frame::Layer::LLC qw(:consts);

NF_LLC_HDR_LEN

LLC header length.

NF_LLC_DSAP_SNAP
NF_LLC_DSAP_STP

Dsap attribute constants.

NF_LLC_SSAP_SNAP
NF_LLC_SSAP_STP

Ssap attribute constants.

SEE ALSO ^

Net::Frame::Layer

AUTHOR ^

Patrice <GomoR> Auffret

COPYRIGHT AND LICENSE ^

Copyright (c) 2006-2010, Patrice <GomoR> Auffret

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

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