Package ZenUtils :: Module IpUtil

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Module IpUtil

source code

Classes

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IpAddressError

InvalidIPRangeError
Attempted to parse an invalid IP range.

Functions

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checkip(ip)
check that an ip is valid

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numbip(ip)
convert a string ip to number

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ipFromIpMask(ipmask)
get just the ip from an ip mask pair like 1.1.1.1/24

source code

strip(ip)
convert a number ip to a string

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hexToBits(hex)
convert hex number (0xff000000 of netbits to numeric netmask (8)

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hexToMask(hex)
converts a netmask represented in hex to octets represented in decimal.

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maskToBits(netmask)
convert string rep of netmask to number of bits

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bitsToMaskNumb(netbits)
convert integer number of netbits to string netmask

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bitsToMask(netbits)

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getnet(ip, netmask)
get network address of ip as string netmask is in form 255.255.255.0

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getnetstr(ip, netmask)
return network number as string

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asyncNameLookup(address, uselibcresolver=True)

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asyncIpLookup(name)
Look up an IP based on the name passed in.

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parse_iprange(iprange)
Turn a string specifying an IP range into a list of IPs.

source code

Variables

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__doc__ = """U...

isip = re.compile("^\d+\.\d+\.\d+\.\d+$").search
return match if this is an ip.

_masks = 0x000000ffL, 0x0000ff00L, 0x00ff0000L, 0xff000000L,

Function Details

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hexToMask(hex)

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converts a netmask represented in hex to octets represented in decimal. e.g. "0xffffff00" -> "255.255.255.0"

asyncIpLookup(name)

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Look up an IP based on the name passed in. We use gethostbyname to make sure that we use /etc/hosts as mentioned above.

This hasn't been tested.

parse_iprange(iprange)

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Turn a string specifying an IP range into a list of IPs.

Parameters:

iprange (str

>>> parse_iprange('10.0.0.1-5')
['10.0.0.1', '10.0.0.2', '10.0.0.3', '10.0.0.4', '10.0.0.5']
>>> parse_iprange('10.0.0.1')
['10.0.0.1']
>>> try: parse_iprange('10.0.0.1-2-3')
... except InvalidIPRangeError: print "Invalid"
Invalid

) - The range string, in the format '10.0.0.a-b'

Variables Details

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doc

Value:

"""Util

Utility functions for the Confmon Product

"""