97 def GetWildcardAddress(version):  argument
98   return {4: "0.0.0.0", 6: "::"}[version]
100 def GetIpHdrLength(version):  argument
101   return {4: 20, 6: 40}[version]
103 def GetAddressFamily(version):  argument
104   return {4: AF_INET, 5: AF_INET6, 6: AF_INET6}[version]
107 def AddressLengthBits(version):  argument
108   return {4: 32, 6: 128}[version]
171 def BindRandomPort(version, sock):  argument
172   addr = {4: "0.0.0.0", 5: "::", 6: "::"}[version]
286 def GetDefaultRoute(version=6):  argument
287   if version == 6:
296   elif version == 4:
306     raise ValueError("Don't know about IPv%s" % version)
344 def RunIptablesCommand(version, args):  argument
345   iptables = {4: "iptables", 6: "ip6tables"}[version]
353   GetDefaultRoute(version=4)
359   GetDefaultRoute(version=6)