Changeset 176 for etherws

Timestamp:

07/25/12 20:47:54 (12 years ago)

Author:

atzm

Message:

• reduce string copy

File:

• etherws/trunk/etherws.py (modified) (2 diffs)

etherws/trunk/etherws.py

@@ -72 +72 @@
         self.data = data
 
-    @staticmethod
-    def multicast(mac):
-        return ord(mac[0]) & 1
+    @property
+    def dst_multicast(self):
+        return ord(self.data[0]) & 1
+
+    @property
+    def src_multicast(self):
+        return ord(self.data[6]) & 1
 
     @property
@@ -160 +164 @@
     def forward(self, src_port, frame):
         try:
-            if not frame.multicast(frame.src_mac):
+            if not frame.src_multicast:
                 self._fdb.learn(src_port, frame)
 
-            if not frame.multicast(frame.dst_mac):
+            if not frame.dst_multicast:
                 dst_port = self._fdb.lookup(frame)