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-rw-r--r--test/util.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/util.py b/test/util.py
index a648490681d..3a8bd838b00 100644
--- a/test/util.py
+++ b/test/util.py
@@ -100,3 +100,16 @@ class Host(object):
self._mac = mac
self._ip4 = ip4
self._ip6 = ip6
+
+
+class ForeignAddressFactory(object):
+ count = 0
+ prefix_len = 24
+ net_template = '10.10.10.{}'
+ net = net_template.format(0) + '/' + str(prefix_len)
+
+ def get_ip4(self):
+ if self.count > 255:
+ raise Exception("Network host address exhaustion")
+ self.count += 1
+ return self.net_template.format(self.count)