Revision e687ec01 lib/netutils.py

b/lib/netutils.py
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# Dict used to convert from a string representing an IP family to an IP


  		





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# version


  		





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_NAME_TO_IP_VER =  {


  		





  
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_NAME_TO_IP_VER = {


  		





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  "inet": constants.IP4_VERSION,


  		





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  "inet6": constants.IP6_VERSION,


  		





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  }


  		





  ......




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    assert 0 <= prefix <= cls.iplen


  		





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    target_int = cls._GetIPIntFromString(subnet[0])


  		





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    # Convert prefix netmask to integer value of netmask


  		





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    netmask_int = (2**cls.iplen)-1 ^ ((2**cls.iplen)-1 >> prefix)


  		





  
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    netmask_int = (2 ** cls.iplen) - 1 ^ ((2 ** cls.iplen) - 1 >> prefix)


  		





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    # Calculate hostmask


  		





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    hostmask_int = netmask_int ^ (2**cls.iplen)-1


  		





  
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    hostmask_int = netmask_int ^ (2 ** cls.iplen) - 1


  		





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    # Calculate network address by and'ing netmask


  		





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    network_int = target_int & netmask_int


  		





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    # Calculate broadcast address by or'ing hostmask


  		












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