blob: 8ad246ae879faf350ecd0fda72ec30af1ab1e654 [file] [log] [blame]
:: # Copyright 2013, Big Switch Networks, Inc.
:: #
:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
:: # the following special exception:
:: #
:: # LOXI Exception
:: #
:: # As a special exception to the terms of the EPL, you may distribute libraries
:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
:: # from the LoxiGen Libraries and the notice provided below is (i) included in
:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
:: # documentation for the LoxiGen Libraries, if distributed in binary form.
:: #
:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
:: #
:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
:: # a copy of the EPL at:
:: #
:: # http://www.eclipse.org/legal/epl-v10.html
:: #
:: # 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
:: # EPL for the specific language governing permissions and limitations
:: # under the EPL.
::
:: include('_copyright.py')
:: from loxi_globals import OFVersions
:: include('_autogen.py')
import struct
import loxi
import const
import common
import action
:: if version >= OFVersions.VERSION_1_1:
import instruction
:: #endif
:: if version >= OFVersions.VERSION_1_2:
import oxm
:: #endif
:: if version >= OFVersions.VERSION_1_3:
import meter_band
:: #endif
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'
:: if version in (OFVersions.VERSION_1_0, OFVersions.VERSION_1_1):
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)
:: #endif
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):
:: if version == OFVersions.VERSION_1_0:
return struct.pack("!H", value)
:: else:
return struct.pack("!L", value)
:: #endif
def unpack_port_no(reader):
:: if version == OFVersions.VERSION_1_0:
return reader.read("!H")[0]
:: else:
return reader.read("!L")[0]
:: #endif
def pack_fm_cmd(value):
:: if version == OFVersions.VERSION_1_0:
return struct.pack("!H", value)
:: else:
return struct.pack("!B", value)
:: #endif
def unpack_fm_cmd(reader):
:: if version == OFVersions.VERSION_1_0:
return reader.read("!H")[0]
:: else:
return reader.read("!B")[0]
:: #endif
def init_wc_bmap():
:: if version <= OFVersions.VERSION_1_1:
return const.OFPFW_ALL
:: else:
return 0
:: #endif
def pack_wc_bmap(value):
:: if version <= OFVersions.VERSION_1_1:
return struct.pack("!L", value)
:: else:
return struct.pack("!Q", value)
:: #endif
def unpack_wc_bmap(reader):
:: if version <= OFVersions.VERSION_1_1:
return reader.read("!L")[0]
:: else:
return reader.read("!Q")[0]
:: #endif
def init_match_bmap():
:: if version <= OFVersions.VERSION_1_1:
return const.OFPFW_ALL
:: else:
return 0
:: #endif
def pack_match_bmap(value):
:: if version <= OFVersions.VERSION_1_1:
return struct.pack("!L", value)
:: else:
return struct.pack("!Q", value)
:: #endif
def unpack_match_bmap(reader):
:: if version <= OFVersions.VERSION_1_1:
return reader.read("!L")[0]
:: else:
return reader.read("!Q")[0]
:: #endif
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 unpack_list_hello_elem(reader):
def deserializer(reader):
typ, length, = reader.peek('!HH')
reader = reader.slice(length)
try:
return common.hello_elem.unpack(reader)
except loxi.ProtocolError:
return None
return [x for x in loxi.generic_util.unpack_list(reader, deserializer) if x != None]