blob: 2e68b0bf03c60760f967ee102933acba237bab2a [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 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.
# See the file LICENSE.pyloxi which should have been included in the source distribution
# Automatically generated by LOXI from template util.py
# Do not modify
import struct
import loxi
import const
import common
import action
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_wildcards(v):
if v == const.OFPFW_ALL:
return 'OFPFW_ALL'
flag_names = ['OFPFW_IN_PORT', 'OFPFW_DL_VLAN', 'OFPFW_DL_SRC', 'OFPFW_DL_DST',
'OFPFW_DL_TYPE', 'OFPFW_NW_PROTO', 'OFPFW_TP_SRC', 'OFPFW_TP_DST',
'OFPFW_NW_SRC_MASK', 'OFPFW_NW_DST_MASK', 'OFPFW_DL_VLAN_PCP',
'OFPFW_NW_TOS']
return pretty_flags(v, flag_names)
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
def pack_port_no(value):
return struct.pack("!H", value)
def unpack_port_no(reader):
return reader.read("!H")[0]
def pack_fm_cmd(value):
return struct.pack("!H", value)
def unpack_fm_cmd(reader):
return reader.read("!H")[0]
def init_wc_bmap():
return const.OFPFW_ALL
def pack_wc_bmap(value):
return struct.pack("!L", value)
def unpack_wc_bmap(reader):
return reader.read("!L")[0]
def init_match_bmap():
return const.OFPFW_ALL
def pack_match_bmap(value):
return struct.pack("!L", value)
def unpack_match_bmap(reader):
return reader.read("!L")[0]
MASK64 = (1 << 64) - 1
def pack_bitmap_128(value):
x = 0l
for y in value:
x |= 1 << y
return struct.pack("!QQ", (x >> 64) & MASK64, x & MASK64)
def unpack_bitmap_128(reader):
hi, lo = reader.read("!QQ")
x = (hi << 64) | lo
i = 0
value = set()
while x != 0:
if x & 1 == 1:
value.add(i)
i += 1
x >>= 1
return value
def pack_bitmap_512(value):
words = [0] * 8
for v in value:
assert v < 512
words[7-v/64] |= 1 << (v % 64)
return struct.pack("!8Q", *words)
def unpack_bitmap_512(reader):
words = reader.read("!8Q")
x = 0l
for word in words:
x <<= 64
x |= word
i = 0
value = set()
while x != 0:
if x & 1 == 1:
value.add(i)
i += 1
x >>= 1
return value
def pack_checksum_128(value):
return struct.pack("!QQ", (value >> 64) & MASK64, value & MASK64)
def unpack_checksum_128(reader):
hi, lo = reader.read("!QQ")
return (hi << 64) | lo