+""" 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):
"""
if not capture:
return headline
- result = headline + "\n"
- count = 1
- for p in capture:
- result.append(ppp("Packet #%s:" % count, p))
- count += 1
- if count >= limit:
- break
+ tail = ""
if limit < len(capture):
- result.append(
- "Capture contains %s packets in total, of which %s were printed" %
- (len(capture), limit))
+ tail = "\nPrint limit reached, %s out of %s packets printed" % (
+ len(capture), limit)
+ limit = len(capture)
+ body = "".join([ppp("Packet #%s:" % count, p)
+ for count, p in zip(range(0, limit), capture)])
+ return "%s\n%s%s" % (headline, body, tail)
+
+
+def ip4_range(ip4, s, e):
+ tmp = ip4.rsplit('.', 1)[0]
+ return ("%s.%d" % (tmp, i) for i in range(s, e))
+
+
+def ip4n_range(ip4n, s, e):
+ ip4 = socket.inet_ntop(socket.AF_INET, ip4n)
+ return (socket.inet_pton(socket.AF_INET, ip)
+ 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):
""" MAC address """
return self._mac
+ @property
+ def bin_mac(self):
+ """ MAC address """
+ return mactobinary(self._mac)
+
@property
def ip4(self):
- """ IPv4 address """
+ """ IPv4 address - string """
return self._ip4
@property
def ip4n(self):
- """ IPv4 address """
+ """ IPv4 address of remote host - raw, suitable as API parameter."""
return socket.inet_pton(socket.AF_INET, self._ip4)
@property
def ip6(self):
- """ IPv6 address """
+ """ IPv6 address - string """
return self._ip6
- def __init__(self, mac=None, ip4=None, ip6=None):
+ @property
+ def ip6n(self):
+ """ IPv6 address of remote host - raw, suitable as API parameter."""
+ return socket.inet_pton(socket.AF_INET6, self._ip6)
+
+ @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 __eq__(self, other):
+ if isinstance(other, Host):
+ return (self.mac == other.mac and
+ self.ip4 == other.ip4 and
+ self.ip6 == other.ip6 and
+ self.ip6_ll == other.ip6_ll)
+ else:
+ return False
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def __repr__(self):
+ return "Host { mac:%s ip4:%s ip6:%s ip6_ll:%s }" % (self.mac,
+ self.ip4,
+ self.ip6,
+ self.ip6_ll)
+
+ def __hash__(self):
+ return hash(self.__repr__())
+
+ 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)