Package dpkt :: Module dtp
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Source Code for Module dpkt.dtp

 1  # $Id: dtp.py 23 2006-11-08 15:45:33Z dugsong $ 
 2  # -*- coding: utf-8 -*- 
 3  """Dynamic Trunking Protocol.""" 
 4  from __future__ import absolute_import 
 5   
 6  import struct 
 7   
 8  from . import dpkt 
 9   
10   
11 -class DTP(dpkt.Packet):
12 """Dynamic Trunking Protocol. 13 14 TODO: Longer class information.... 15 16 Attributes: 17 __hdr__: Header fields of DTP. 18 TODO. 19 """ 20 21 __hdr__ = ( 22 ('v', 'B', 0), 23 ) # rest is TLVs 24
25 - def unpack(self, buf):
26 dpkt.Packet.unpack(self, buf) 27 buf = self.data 28 tvs = [] 29 while buf: 30 t, l = struct.unpack('>HH', buf[:4]) 31 v, buf = buf[4:4 + l], buf[4 + l:] 32 tvs.append((t, v)) 33 self.data = tvs
34 35 36 TRUNK_NAME = 0x01 37 MAC_ADDR = 0x04 38