| 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | class ip_addr: |
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| 4 | def __init__(self, x): |
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| 5 | if isinstance(x, ip_addr): |
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| 6 | self.ival = x.ival |
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| 7 | elif isinstance(x, int): |
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| 8 | self.ival = x |
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| 9 | elif isinstance(x, long): |
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| 10 | self.ival = (int(x & 0xffffffff)) |
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| 11 | elif isinstance(x, str): |
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| 12 | self.ival = 0 |
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| 13 | sh = 24 |
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| 14 | bytes = x.split(".", 4) |
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| 15 | for b in bytes: |
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| 16 | self.ival |= (int(b) << sh) |
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| 17 | sh -= 8 |
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| 18 | else: |
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| 19 | self.ival = 0 |
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| 20 | |
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| 21 | def __str__(self): |
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| 22 | return "%d.%d.%d.%d" % ((self.ival & 0xff000000) >> 24, |
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| 23 | (self.ival & 0x00ff0000) >> 16, |
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| 24 | (self.ival & 0x0000ff00) >> 8, |
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| 25 | self.ival & 0x000000ff) |
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| 26 | |
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| 27 | def __add__(self, i): |
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| 28 | if isinstance(i, int): return ip_addr(self.ival + i) |
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| 29 | elif isinstance(i, ip_addr): return ip_addr(self.ival + i.ival) |
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| 30 | else: raise ValueError("IP addrs must operate on IP addrs or ints") |
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| 31 | |
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| 32 | def __sub__(self, i): |
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| 33 | if isinstance(i, int): return ip_addr(self.ival - i) |
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| 34 | elif isinstance(i, ip_addr): return ip_addr(self.ival - i.ival) |
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| 35 | else: raise ValueError("IP addrs must operate on IP addrs or ints") |
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| 36 | |
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| 37 | def __and__(self, i): |
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| 38 | if isinstance(i, int): return ip_addr(self.ival & i) |
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| 39 | elif isinstance(i, ip_addr): return ip_addr(self.ival & i.ival) |
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| 40 | else: raise ValueError("IP addrs must operate on IP addrs or ints") |
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| 41 | |
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| 42 | def __or__(self, i): |
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| 43 | if isinstance(i, int): return ip_addr(self.ival | i) |
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| 44 | elif isinstance(i, ip_addr): return ip_addr(self.ival | i.ival) |
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| 45 | else: raise ValueError("IP addrs must operate on IP addrs or ints") |
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| 46 | |
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| 47 | def __xor__(self, i): |
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| 48 | if isinstance(i, int): return ip_addr(self.ival ^ i) |
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| 49 | elif isinstance(i, ip_addr): return ip_addr(self.ival ^ i.ival) |
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| 50 | else: raise ValueError("IP addrs must operate on IP addrs or ints") |
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| 51 | |
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| 52 | def __radd__(self, i): |
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| 53 | return self.__add__(i) |
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| 54 | |
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| 55 | def __rsub__(self, i): |
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| 56 | return self.__sub__(i) |
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| 57 | |
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| 58 | def __rand__(self, i): |
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| 59 | return self.__and__(i) |
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| 60 | |
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| 61 | def __ror__(self, i): |
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| 62 | return self.__or__(i) |
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| 63 | |
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| 64 | def __rxor__(self, i): |
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| 65 | return self.__xor__(i) |
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| 66 | |
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| 67 | def __int__(self): |
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| 68 | return self.ival |
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| 69 | |
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| 70 | def __oct__(self): |
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| 71 | return oct(self.ival) |
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| 72 | |
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| 73 | def __hex__(self): |
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| 74 | return hex(self.ival) |
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