# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
# Copyright (c) 2011, 2012 Open Networking Foundation
# Copyright (c) 2012, 2013 Big Switch Networks, Inc.

# Automatically generated by LOXI from template util.py
# Do not modify

import loxi
import const
import struct

def pretty_mac(mac):
    return ':'.join(["%02x" % x for x in mac])

def pretty_ipv4(v):
    return "%d.%d.%d.%d" % ((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF)

def pretty_flags(v, flag_names):
    set_flags = []
    for flag_name in flag_names:
        flag_value = getattr(const, flag_name)
        if v & flag_value == flag_value:
            set_flags.append(flag_name)
        elif v & flag_value:
            set_flags.append('%s&%#x' % (flag_name, v & flag_value))
        v &= ~flag_value
    if v:
        set_flags.append("%#x" % v)
    return '|'.join(set_flags) or '0'


def pretty_port(v):
    named_ports = [(k,v2) for (k,v2) in const.__dict__.iteritems() if k.startswith('OFPP_')]
    for (k, v2) in named_ports:
        if v == v2:
            return k
    return v