reverting to dpkt v1.8.6 instead of 1.8.6.2 to avoid importing error of pystone modue

1 files changed, 92 insertions, 0 deletions

diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/mrt.py b/scripts/external_libs/dpkt-1.8.6/dpkt/mrt.py
new file mode 100644
index 00000000..9f3c719c
--- /dev/null
+++ b/scripts/external_libs/dpkt-1.8.6/dpkt/mrt.py
@@ -0,0 +1,92 @@
+# $Id: mrt.py 29 2007-01-26 02:29:07Z jon.oberheide $
+
+"""Multi-threaded Routing Toolkit."""
+
+import dpkt
+import bgp
+
+# Multi-threaded Routing Toolkit
+# http://www.ietf.org/internet-drafts/draft-ietf-grow-mrt-03.txt
+
+# MRT Types
+NULL			= 0
+START			= 1
+DIE			= 2
+I_AM_DEAD		= 3
+PEER_DOWN		= 4
+BGP			= 5	# Deprecated by BGP4MP
+RIP			= 6
+IDRP			= 7
+RIPNG			= 8
+BGP4PLUS		= 9	# Deprecated by BGP4MP
+BGP4PLUS_01		= 10	# Deprecated by BGP4MP
+OSPF			= 11
+TABLE_DUMP		= 12
+BGP4MP			= 16
+BGP4MP_ET		= 17
+ISIS			= 32
+ISIS_ET			= 33
+OSPF_ET			= 64
+
+# BGP4MP Subtypes
+BGP4MP_STATE_CHANGE	= 0
+BGP4MP_MESSAGE		= 1
+BGP4MP_ENTRY		= 2
+BGP4MP_SNAPSHOT		= 3
+BGP4MP_MESSAGE_32BIT_AS	= 4
+
+# Address Family Types
+AFI_IPv4		= 1
+AFI_IPv6		= 2
+
+class MRTHeader(dpkt.Packet):
+    __hdr__ = (
+        ('ts', 'I', 0),
+        ('type', 'H', 0),
+        ('subtype', 'H', 0),
+        ('len', 'I', 0)
+        )
+
+class TableDump(dpkt.Packet):
+    __hdr__ = (
+        ('view', 'H', 0),
+        ('seq', 'H', 0),
+        ('prefix', 'I', 0),
+        ('prefix_len', 'B', 0),
+        ('status', 'B', 1),
+        ('originated_ts', 'I', 0),
+        ('peer_ip', 'I', 0),
+        ('peer_as', 'H', 0),
+        ('attr_len', 'H', 0)
+        )
+
+    def unpack(self, buf):
+        dpkt.Packet.unpack(self, buf)
+        plen = self.attr_len
+        l = []
+        while plen > 0:
+            attr = bgp.BGP.Update.Attribute(self.data)
+            self.data = self.data[len(attr):]
+            plen -= len(attr)
+            l.append(attr)
+        self.attributes = l
+
+class BGP4MPMessage(dpkt.Packet):
+    __hdr__ = (
+        ('src_as', 'H', 0),
+        ('dst_as', 'H', 0),
+        ('intf', 'H', 0),
+        ('family', 'H', AFI_IPv4),
+        ('src_ip', 'I', 0),
+        ('dst_ip', 'I', 0)
+        )
+
+class BGP4MPMessage_32(dpkt.Packet):
+    __hdr__ = (
+        ('src_as', 'I', 0),
+        ('dst_as', 'I', 0),
+        ('intf', 'H', 0),
+        ('family', 'H', AFI_IPv4),
+        ('src_ip', 'I', 0),
+        ('dst_ip', 'I', 0)
+        )