| # 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. |
| |
| # |
| # Miscellaneous type information |
| # |
| # Define the map between sub-class types and wire values. In each |
| # case, an array indexed by wire version gives a hash from identifier |
| # to wire value. |
| # |
| |
| import c_gen.of_g_legacy as of_g |
| import sys |
| from generic_utils import * |
| import loxi_utils.loxi_utils as loxi_utils |
| import c_gen.loxi_utils_legacy as loxi_utils |
| import loxi_globals |
| |
| invalid_type = "invalid_type" |
| |
| ################################################################ |
| # |
| # Define type data for inheritance classes: |
| # instructions, actions, queue properties and OXM |
| # |
| # Messages are not in this group; they're treated specially for now |
| # |
| # These are indexed by wire protocol number |
| # |
| ################################################################ |
| |
| instruction_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict() |
| } |
| |
| instruction_id_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict() |
| } |
| |
| action_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| action_id_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| queue_prop_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict() |
| } |
| |
| bsn_vport_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| oxm_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| hello_elem_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| table_feature_prop_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| meter_band_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| bsn_tlv_types = { |
| of_g.VERSION_1_0:dict(), |
| of_g.VERSION_1_1:dict(), |
| of_g.VERSION_1_2:dict(), |
| of_g.VERSION_1_3:dict(), |
| } |
| |
| # All inheritance data for non-messages |
| inheritance_data = dict( |
| of_instruction = instruction_types, |
| of_instruction_id = instruction_id_types, |
| of_action = action_types, |
| of_action_id = action_id_types, |
| of_oxm = oxm_types, |
| of_queue_prop = queue_prop_types, |
| of_hello_elem = hello_elem_types, |
| of_table_feature_prop = table_feature_prop_types, |
| of_meter_band = meter_band_types, |
| # BSN specific inheritance extensions |
| of_bsn_vport = bsn_vport_types, |
| of_bsn_tlv = bsn_tlv_types, |
| ) |
| |
| def class_is_virtual(cls): |
| """ |
| Returns True if cls is a virtual class |
| """ |
| if cls.endswith("header"): |
| return True |
| if loxi_utils.class_is_list(cls): |
| return True |
| return loxi_globals.unified.class_by_name(cls).virtual |
| |
| ################################################################ |
| # |
| # type_val is the primary data structure that maps an |
| # (class_name, version) pair to the wire data type value |
| # |
| ################################################################ |
| |
| type_val = dict() |
| inheritance_map = dict() |
| |
| def generate_maps(): |
| for parent, versioned in inheritance_data.items(): |
| inheritance_map[parent] = set() |
| for ver, subclasses in versioned.items(): |
| for subcls in subclasses: |
| inheritance_map[parent].add(subcls) |
| |
| for parent, versioned in inheritance_data.items(): |
| for version, subclasses in versioned.items(): |
| for subcls, value in subclasses.items(): |
| name = parent + "_" + subcls |
| type_val[(name, version)] = value |
| |
| # Special case OF-1.2 match type |
| type_val[("of_match_v3", of_g.VERSION_1_2)] = 1 |
| type_val[("of_match_v3", of_g.VERSION_1_3)] = 1 |
| |
| def sub_class_map(base_type, version): |
| """ |
| Returns an iterable object giving the instance nameys and subclass types |
| for the base_type, version values |
| """ |
| rv = [] |
| if base_type not in inheritance_map: |
| return rv |
| |
| for instance in inheritance_map[base_type]: |
| subcls = loxi_utils.instance_to_class(instance, base_type) |
| if not loxi_utils.class_in_version(subcls, version): |
| continue |
| rv.append((instance, subcls)) |
| |
| return rv |