blob: 6cd16a422a25c43f547bb09858f9b9ba6ef4e985 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
# $Id: pim.py 23 2006-11-08 15:45:33Z dugsong $
# -*- coding: utf-8 -*-
"""Protocol Independent Multicast."""
import dpkt
from decorators import deprecated
class PIM(dpkt.Packet):
__hdr__ = (
('v_type', 'B', 0x20),
('rsvd', 'B', 0),
('sum', 'H', 0)
)
@property
def v(self): return self.v_type >> 4
@v.setter
def v(self, v): self.v_type = (v << 4) | (self.v_type & 0xf)
@property
def type(self): return self.v_type & 0xf
@type.setter
def type(self, type): self.v_type = (self.v_type & 0xf0) | type
# Deprecated methods, will be removed in the future
# =================================================
@deprecated
def _get_v(self): return self.v
@deprecated
def _set_v(self, v): self.v = v
@deprecated
def _get_type(self): return self.type
@deprecated
def _set_type(self, type): self.type = type
# =================================================
def __str__(self):
if not self.sum:
self.sum = dpkt.in_cksum(dpkt.Packet.__str__(self))
return dpkt.Packet.__str__(self)
|
