Module: IPAddr::IPAddrExtensions::ClassMethods

Defined in:
lib/ruckus/extensions/ipaddr.rb

Instance Method Summary collapse

Instance Method Details

#inet_addr(str) ⇒ Object

construct an IPAddr from a dotted quad string or integer



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# File 'lib/ruckus/extensions/ipaddr.rb', line 41

def inet_addr(str)
    if str.kind_of? String
        IPAddr.lite(str).to_i
    else
        i = IPAddr.new(0, Socket::AF_INET)
        i.set_int(str)
        return i
    end
end

#lite(str) ⇒ Object

construct an IPAddr from a dotted quad string without incurring a reverse lookup.



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# File 'lib/ruckus/extensions/ipaddr.rb', line 68

def lite(str)
    # XXX self.new(0, Socket::AF_Inet, *args) instead?
    ip = IPAddr.new(0, Socket::AF_INET)

    parts = str.split "/"

    ip.set_int(ip.inet_addr(parts[0]))
    ip = ip.mask parts[1] if parts[1]
    return ip
end

#mask2mlen(mask) ⇒ Object

Convert 255.255.255.0 to 24



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# File 'lib/ruckus/extensions/ipaddr.rb', line 53

def mask2mlen(mask)
    len = 0
    while len < 32 && mask & 0x80000000 != 0
        mask <<= 1
        mask &= 0xFFFFFFFF
        len += 1
    end
    return len
end