blob: 50eb4bda43539b090c40296da5070999d87ace55 [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.
::
:: import itertools
:: import of_g
:: import py_gen.oftype
:: include('_copyright.py')
:: include('_autogen.py')
import struct
import const
import util
import loxi.generic_util
import loxi
def unpack(reader):
type_len, = reader.peek('!L')
if type_len in parsers:
return parsers[type_len](reader)
else:
raise loxi.ProtocolError("unknown OXM cls=%#x type=%#x masked=%d len=%d (%#x)" % \
((type_len >> 16) & 0xffff, (type_len >> 9) & 0x7f, (type_len >> 8) & 1, type_len & 0xff, type_len))
def unpack_list(reader):
return loxi.generic_util.unpack_list(reader, unpack)
class OXM(object):
type_len = None # override in subclass
pass
:: for ofclass in ofclasses:
:: from loxi_ir import *
:: normal_members = [m for m in ofclass.members if type(m) == OFDataMember]
:: type_members = [m for m in ofclass.members if type(m) == OFTypeMember]
class ${ofclass.pyname}(OXM):
:: for m in type_members:
${m.name} = ${m.value}
:: #endfor
def __init__(self, ${', '.join(["%s=None" % m.name for m in normal_members])}):
:: for m in normal_members:
if ${m.name} != None:
self.${m.name} = ${m.name}
else:
self.${m.name} = ${py_gen.oftype.gen_init_expr(m.oftype, version=version)}
:: #endfor
def pack(self):
packed = []
:: include("_pack.py", ofclass=ofclass, version=version)
return ''.join(packed)
@staticmethod
def unpack(buf):
obj = ${ofclass.pyname}()
:: include("_unpack.py", ofclass=ofclass, version=version)
return obj
def __eq__(self, other):
if type(self) != type(other): return False
:: for m in normal_members:
if self.${m.name} != other.${m.name}: return False
:: #endfor
return True
def __ne__(self, other):
return not self.__eq__(other)
def show(self):
import loxi.pp
return loxi.pp.pp(self)
def pretty_print(self, q):
:: include('_pretty_print.py', ofclass=ofclass)
:: #endfor
parsers = {
:: key = lambda x: x.type_members[0].value
:: for ofclass in sorted(ofclasses, key=key):
${key(ofclass)} : ${ofclass.pyname}.unpack,
:: #endfor
}