From 637d1040963e2650fcfa0969268127dd76a7b2c0 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Sat, 30 Jun 2007 04:35:27 +0000
Subject: Checkpoint

svn path=/scripts/resource-set.py; revision=701
---
 scripts/resource-set.py | 63 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 8 deletions(-)

(limited to 'scripts/resource-set.py')

diff --git a/scripts/resource-set.py b/scripts/resource-set.py
index 49b6fc9b..60f4afc3 100644
--- a/scripts/resource-set.py
+++ b/scripts/resource-set.py
@@ -1,19 +1,66 @@
 # $Id$
 
+import socket
+import re
+
+class ip_address(object):
+
+  def __init__(self, text):
+    self.addr = socket.inet_pton(self.af, text)
+
+  def __str__(self):
+    return socket.inet_ntop(self.af, self.addr)
+
+  def __eq__(self, other):
+    return self.addr == other.addr
+
+  def __hash__(self):
+    return self.addr.__hash__()
+
+class ipv4_address(ip_address):
+  re = "[0-9.]+"
+  af = socket.AF_INET
+
+class ipv6_address(ip_address):
+  re = "[0-9:a-fA-F]+"
+  af = socket.AF_INET6
+
 class resource(object):
+  pass
+
+class asn(resource, long):
+  pass
+
+class ip_prefix(resource):
+
+  def __init__(self, addr, prefixlen):
+    self.addr = addr
+    self.prefixlen = prefixlen
+
+  def __str__(self):
+    return str(self.addr) + "/" + str(self.prefixlen)
+
+  def __eq__(self, other):
+    return self.addr == other.addr and self.prefixlen == other.prefixlen
+
+  def __hash__(self):
+    return self.addr.__hash__() + self.prefixlen.__hash__()
+
+class resource_range(resource):
 
-  def __init__(self, car, cdr):
-    self.car = car
-    self.cdr = cdr
+  def __init__(self, min, max):
+    assert isinstance(min, resource) and isinstance(max, resource)
+    self.min = min
+    self.max = max
 
   def __str__(self):
-    return "(" + str(self.car) + " . " + str(self.cdr) + ")"
+    return str(self.min) + "-" + str(self.max)
 
   def __eq__(self, other):
-    return self.car == other.car and self.cdr == other.cdr
+    return self.min == other.min and self.max == other.max
 
   def __hash__(self):
-    return self.car.__hash__() + self.cdr.__hash__()
+    return self.min.__hash__() + self.max.__hash__()
 
 class resource_set(set):
 
@@ -23,9 +70,9 @@ class resource_set(set):
     set.__init__(self, elts)
 
   def __str__(self):
-    return "(" + " ".join(map(str, self)) + ")"
+    return "{" + ", ".join(map(str, self)) + "}"
 
-s = resource_set(resource("a", "b"), resource("c", "d"), resource("a", "b"))
+s = resource_set(ip_prefix(ipv6_address("fe80::"), 16), ip_prefix(ipv4_address("10.0.0.44"), 32))
 
 print s
 
-- 
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