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-rw-r--r--external_libs/python/dpkt-1.8.6.2/dpkt/tns.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/external_libs/python/dpkt-1.8.6.2/dpkt/tns.py b/external_libs/python/dpkt-1.8.6.2/dpkt/tns.py
new file mode 100644
index 00000000..931508e6
--- /dev/null
+++ b/external_libs/python/dpkt-1.8.6.2/dpkt/tns.py
@@ -0,0 +1,26 @@
+# $Id: tns.py 23 2006-11-08 15:45:33Z dugsong $
+# -*- coding: utf-8 -*-
+"""Transparent Network Substrate."""
+
+import dpkt
+
+
+class TNS(dpkt.Packet):
+ __hdr__ = (
+ ('length', 'H', 0),
+ ('pktsum', 'H', 0),
+ ('type', 'B', 0),
+ ('rsvd', 'B', 0),
+ ('hdrsum', 'H', 0),
+ ('msg', '0s', ''),
+ )
+
+ def unpack(self, buf):
+ dpkt.Packet.unpack(self, buf)
+ n = self.length - self.__hdr_len__
+ if n > len(self.data):
+ raise dpkt.NeedData('short message (missing %d bytes)' %
+ (n - len(self.data)))
+ self.msg = self.data[:n]
+ self.data = self.data[n:]
+