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from ryu.lib import addrconv
def ipv4_to_bin(ip):
'''
Parse an IP address and return an unsigned int.
The IP address is in dotted decimal notation.
'''
return addrconv.ipv4.text_to_bin(ip)
def ipv4_to_str(ip):
"""Generate IP address string from an unsigned int.
ip: unsigned int of form w << 24 | x << 16 | y << 8 | z
returns: ip address string w.x.y.z"""
return addrconv.ipv4.bin_to_text(ip)
def ipv6_to_bin(ipv6):
'''
convert ipv6 string to binary representation
'''
return addrconv.ipv6.text_to_bin(ipv6)
def ipv6_to_str(bin_addr):
'''
convert binary representation to human readable string
'''
return addrconv.ipv6.bin_to_text(bin_addr)
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