Changeset 1607

Timestamp:

11/06/08 15:29:02 (2 months ago)

Author:

peet

Message:

new utility: get network from ip (int)

Files:

• branches/0.4.7/lib/cxnet/cxnet/utils.py (modified) (2 diffs)

branches/0.4.7/lib/cxnet/cxnet/utils.py

@@ -28 +28 @@
-        "mask_unknown",
-        "get_mask",
+        "get_base",
-        "ip_range",
-]
@@ -102 +103 @@
-        return mask
-
+def get_base(ip,mask):
+        """
+        Return network for an ip
+        """
+        return ((((1 << mask) - 1) << (32 - mask)) & ip)
+
-def ip_range(st):
-        """