39f9d8bd22
Change-Id: I40d6d763b55a26cdee0afef85d1acdd19dd10dd6 Signed-off-by: Neale Ranns <nranns@cisco.com>
121 lines
3.0 KiB
Python
121 lines
3.0 KiB
Python
""" test framework utilities """
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import socket
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import sys
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from abc import abstractmethod, ABCMeta
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from cStringIO import StringIO
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def ppp(headline, packet):
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""" Return string containing the output of scapy packet.show() call. """
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o = StringIO()
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old_stdout = sys.stdout
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sys.stdout = o
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print(headline)
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packet.show()
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sys.stdout = old_stdout
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return o.getvalue()
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def ppc(headline, capture, limit=10):
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""" Return string containing ppp() printout for a capture.
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:param headline: printed as first line of output
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:param capture: packets to print
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:param limit: limit the print to # of packets
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"""
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if not capture:
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return headline
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tail = ""
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if limit < len(capture):
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tail = "\nPrint limit reached, %s out of %s packets printed" % (
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len(capture), limit)
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limit = len(capture)
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body = "".join([ppp("Packet #%s:" % count, p)
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for count, p in zip(range(0, limit), capture)])
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return "%s\n%s%s" % (headline, body, tail)
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def ip4_range(ip4, s, e):
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tmp = ip4.rsplit('.', 1)[0]
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return ("%s.%d" % (tmp, i) for i in range(s, e))
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def ip4n_range(ip4n, s, e):
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ip4 = socket.inet_ntop(socket.AF_INET, ip4n)
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return (socket.inet_pton(socket.AF_INET, ip)
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for ip in ip4_range(ip4, s, e))
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def mactobinary(mac):
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""" Convert the : separated format into binary packet data for the API """
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return mac.replace(':', '').decode('hex')
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class NumericConstant(object):
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__metaclass__ = ABCMeta
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desc_dict = {}
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@abstractmethod
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def __init__(self, value):
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self._value = value
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def __int__(self):
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return self._value
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def __long__(self):
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return self._value
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def __str__(self):
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if self._value in self.desc_dict:
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return self.desc_dict[self._value]
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return ""
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class Host(object):
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""" Generic test host "connected" to VPPs interface. """
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@property
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def mac(self):
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""" MAC address """
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return self._mac
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@property
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def ip4(self):
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""" IPv4 address - string """
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return self._ip4
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@property
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def ip4n(self):
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""" IPv4 address of remote host - raw, suitable as API parameter."""
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return socket.inet_pton(socket.AF_INET, self._ip4)
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@property
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def ip6(self):
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""" IPv6 address - string """
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return self._ip6
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@property
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def ip6n(self):
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""" IPv6 address of remote host - raw, suitable as API parameter."""
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return socket.inet_pton(socket.AF_INET6, self._ip6)
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def __init__(self, mac=None, ip4=None, ip6=None):
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self._mac = mac
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self._ip4 = ip4
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self._ip6 = ip6
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class ForeignAddressFactory(object):
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count = 0
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prefix_len = 24
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net_template = '10.10.10.{}'
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net = net_template.format(0) + '/' + str(prefix_len)
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def get_ip4(self):
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if self.count > 255:
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raise Exception("Network host address exhaustion")
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self.count += 1
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return self.net_template.format(self.count)
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