X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Futil.py;h=aeba2ab4ffe5e27220cb385bb491f47d7cea357e;hb=31426c6fee43caf18602a2a7e2ce32c3dda75a29;hp=24e9af44b7d5b248ff4e84ce554b462d2ccd377d;hpb=46a87adf10d41af4b1b14f06bdab33228cbaae95;p=vpp.git

diff --git a/test/util.py b/test/util.py
index 24e9af44b7d..aeba2ab4ffe 100644
--- a/test/util.py
+++ b/test/util.py
@@ -1,7 +1,10 @@
+""" test framework utilities """
+
 import socket
 import sys
 from abc import abstractmethod, ABCMeta
 from cStringIO import StringIO
+from scapy.layers.inet6 import in6_mactoifaceid
 
 
 def ppp(headline, packet):
@@ -45,6 +48,17 @@ def ip4n_range(ip4n, s, e):
             for ip in ip4_range(ip4, s, e))
 
 
+def mactobinary(mac):
+    """ Convert the : separated format into binary packet data for the API """
+    return mac.replace(':', '').decode('hex')
+
+
+def mk_ll_addr(mac):
+    euid = in6_mactoifaceid(mac)
+    addr = "fe80::" + euid
+    return addr
+
+
 class NumericConstant(object):
     __metaclass__ = ABCMeta
 
@@ -94,7 +108,32 @@ class Host(object):
         """ IPv6 address of remote host - raw, suitable as API parameter."""
         return socket.inet_pton(socket.AF_INET6, self._ip6)
 
-    def __init__(self, mac=None, ip4=None, ip6=None):
+    @property
+    def ip6_ll(self):
+        """ IPv6 link-local address - string """
+        return self._ip6_ll
+
+    @property
+    def ip6n_ll(self):
+        """ IPv6 link-local address of remote host -
+        raw, suitable as API parameter."""
+        return socket.inet_pton(socket.AF_INET6, self._ip6_ll)
+
+    def __init__(self, mac=None, ip4=None, ip6=None, ip6_ll=None):
         self._mac = mac
         self._ip4 = ip4
         self._ip6 = ip6
+        self._ip6_ll = ip6_ll
+
+
+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)