1 files changed, 24 insertions, 0 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/pim.py b/scripts/external_libs/dpkt-1.8.6/dpkt/pim.py
new file mode 100644
index 00000000..fa340dd0
--- /dev/null
+++ b/scripts/external_libs/dpkt-1.8.6/dpkt/pim.py
@@ -0,0 +1,24 @@
+# $Id: pim.py 23 2006-11-08 15:45:33Z dugsong $
+
+"""Protocol Independent Multicast."""
+
+import dpkt
+
+class PIM(dpkt.Packet):
+    __hdr__ = (
+        ('v_type', 'B', 0x20),
+        ('rsvd', 'B', 0),
+        ('sum', 'H', 0)
+        )
+    def _get_v(self): return self.v_type >> 4
+    def _set_v(self, v): self.v_type = (v << 4) | (self.v_type & 0xf)
+    v = property(_get_v, _set_v)
+    
+    def _get_type(self): return self.v_type & 0xf
+    def _set_type(self, type): self.v_type = (self.v_type & 0xf0) | type
+    type = property(_get_type, _set_type)
+
+    def __str__(self):
+        if not self.sum:
+            self.sum = dpkt.in_cksum(dpkt.Packet.__str__(self))
+        return dpkt.Packet.__str__(self)