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Copy pathfibex_parser.py
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fibex_parser.py
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#!/usr/bin/python
# Automotive configuration file scripts
# Copyright (C) 2015-2024 Dr. Lars Voelker
# Copyright (C) 2018-2019 Dr. Lars Voelker, BMW AG
# Copyright (C) 2020-2024 Dr. Lars Voelker, Technica Engineering GmbH
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import xml.etree.ElementTree
from abstract_parser import AbstractParser
import importlib.util
import sys
import os
class FibexParser(AbstractParser):
def __init__(self, plugin_file, ecu_name_replacement):
super().__init__()
self.__conf_factory__ = None
self.__ns__ = {'fx': 'http://www.asam.net/xml/fbx',
'ho': 'http://www.asam.net/xml',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
'ethernet': 'http://www.asam.net/xml/fbx/ethernet',
'flexray': 'http://www.asam.net/xml/fbx/flexray',
'it': 'http://www.asam.net/xml/fbx/it',
'service': 'http://www.asam.net/xml/fbx/services'}
self.__services__ = dict()
self.__codings__ = dict()
self.__signals__ = dict()
self.__datatypes__ = dict()
self.__channels__ = dict()
self.__controllers__ = dict()
self.__coupling_ports__ = dict()
self.__ecu_name_replacement__ = ecu_name_replacement
self.__ecu_data__ = dict()
self.__ecus__ = dict()
self.__ecu_id_to_ecu_name_mapping__ = dict()
self.__ecus_ready__ = False
self.__frames__ = dict()
self.__frame_triggerings__ = dict()
self.__pdus__ = dict()
self.__signals__ = dict()
# FIBEX-ID -> (FIBEX-ID of Service, Eventgroup-ID)
self.__eventgrouprefs__ = dict()
# FIBEX-ID -> ServiceInstance
self.__ServiceInstances__ = dict()
# FIBEX-ID -> ServiceEventgroupReceiver
self.__ServiceEventgroupReceiver__ = dict()
# FIBEX-ID -> (PSIS[], CSIS[], EH[], CEGS[])
self.__aeps__ = dict()
# AEP-ID -> Socket
self.__sockets__ = dict()
self.__plugin__ = None
# Load plugin
if plugin_file is not None:
if not os.path.isfile(plugin_file):
print(f"Plugin {plugin_file} cannot be found!")
sys.exit(-1)
print(f"Loading plugin {plugin_file}")
module_name = "fibex_parser_plugin"
spec = importlib.util.spec_from_file_location(module_name, plugin_file)
module = importlib.util.module_from_spec(spec)
sys.modules[module_name] = module
spec.loader.exec_module(module)
self.__plugin__ = module
def create_ecu(self, ecu_id, ecu_name, ctrllist):
ret = None
if ecu_name in self.__ecu_data__:
print(f"ERROR: Duplicate ecu_id: {ecu_name} during create_ecu")
self.__ecu_data__[ecu_name] = (ecu_id, ctrllist)
#ret = self.__conf_factory__.create_ecu(ecu_name, ctrllist)
#self.__ecus__[ecu_id] = ret
def finalize_ecus(self):
# name -> ([ecu_id], [ctrl])
tmp_data = dict()
for ecu_name, data in self.__ecu_data__.items():
# replace ecu_name, if in replacement data
if self.__ecu_name_replacement__ is not None and ecu_name in self.__ecu_name_replacement__.keys():
ecu_name = self.__ecu_name_replacement__[ecu_name]
ecu_id, ctrllist = data
ecu_data = tmp_data.get(ecu_name, ([],[]))
if ecu_id not in ecu_data[0]:
ecu_data[0].append(ecu_id)
# controllers should be unique but just in case
tmp_ctrllist = list(set(ctrllist + ecu_data[1]))
if len(tmp_ctrllist) != len(ctrllist) + len(ecu_data[1]):
print(f"INTERNAL ERROR: Merging Controller lists reveals duplicates during finalize_ecus!")
tmp_data[ecu_name] = (ecu_data[0], tmp_ctrllist)
for ecu_name, ecu_data in tmp_data.items():
self.__ecus__[ecu_name] = self.__conf_factory__.create_ecu(ecu_name, ecu_data[1])
for ecu_id in ecu_data[0]:
self.__ecu_id_to_ecu_name_mapping__[ecu_id] = ecu_name
self.__ecus_ready__ = True
pass
def get_ecu(self, ecu_ref):
if not self.__ecus_ready__:
print(f"INTERNAL ERROR: get_ecu is called before ECUs are finalized!")
return self.__ecus__.get(self.__ecu_id_to_ecu_name_mapping__.get(ecu_ref, None), None)
def get_signal(self, signal_ref):
for _, value in self.__signals__.items():
if value.__id__ == signal_ref:
return value
return None
def add_pdu(self, pdu):
self.__pdus__[pdu.id()] = pdu
def get_pdu(self, pdu_ref):
return self.__pdus__.get(pdu_ref)
def add_socket(self, aep_id, socket):
self.__sockets__[aep_id] = socket
def get_socket_by_aep_id(self, aep_id):
return self.__sockets__.get(aep_id)
def get_id(self, element):
return self.get_attribute(element, 'ID')
def get_oid(self, element):
return self.get_attribute(element, 'ho:OID')
def parse_utilization(self, element):
ret = dict()
if element is not None:
coding = self.get_child_attribute(element, 'fx:UTILIZATION/fx:CODING-REF', 'ID-REF')
ret["Coding"] = self.get_from_dict_or_none(self.__codings__, coding)
high_low_byte_order = element.find('fx:UTILIZATION/fx:IS-HIGH-LOW-BYTE-ORDER', self.__ns__)
if high_low_byte_order is not None:
high_low_byte_order = ('true' == high_low_byte_order.text.lower())
ret["HighLowByteOrder"] = high_low_byte_order
ret["BitLength"] = self.element_text_to_int(element.find('fx:UTILIZATION/fx:BIT-LENGTH',
self.__ns__), -1)
ret["MinBitLength"] = self.element_text_to_int(element.find('fx:UTILIZATION/fx:MIN-BIT-LENGTH',
self.__ns__), -1)
ret["MaxBitLength"] = self.element_text_to_int(element.find('fx:UTILIZATION/fx:MAX-BIT-LENGTH',
self.__ns__), -1)
return ret
def merge_utilizations(self, util1, util2):
ret = dict()
# copy over util2s
for key in util2:
ret[key] = util2[key]
# override, if values are more specific (not default)!
if "BitLength" in util1 and util1["BitLength"] != -1:
ret["BitLength"] = util1["BitLength"]
if "MinBitLength" in util1 and util1["MinBitLength"] != -1:
ret["MinBitLength"] = util1["MinBitLength"]
if "MaxBitLength" in util1 and util1["MaxBitLength"] != -1:
ret["MaxBitLength"] = util1["MaxBitLength"]
if "Coding" in util1 and util1["Coding"] is not None and \
"Coding" in util2 and util2["Coding"] is not None:
ret["Coding"] = self.merge_utilizations(util1["Coding"], util2["Coding"])
return ret
def parse_serialization_attributes(self, element):
ret = dict()
if element is not None:
ret["ArrayLengthSize"] = self.element_text_to_int(element.find(
'./fx:UTILIZATION/fx:SERIALIZATION-ATTRIBUTES/fx:ARRAY-LENGTH-FIELD-SIZE', self.__ns__), -1)
ret["LengthFieldSize"] = self.element_text_to_int(element.find(
'./fx:UTILIZATION/fx:SERIALIZATION-ATTRIBUTES/fx:LENGTH-FIELD-SIZE', self.__ns__), -1)
ret["TypeFieldSize"] = self.element_text_to_int(element.find(
'./fx:UTILIZATION/fx:SERIALIZATION-ATTRIBUTES/fx:TYPE-FIELD-SIZE', self.__ns__), 32)
ret["BitAlignment"] = self.element_text_to_int(element.find(
'./fx:UTILIZATION/fx:SERIALIZATION-ATTRIBUTES/fx:BIT-ALIGNMENT', self.__ns__), 0)
return ret
def parse_coding(self, element):
id = self.get_id(element)
oid = self.get_oid(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
coded_basetype = None
coded_category = None
coded_encoding = None
coded_termination = None
coded_bit_length = -1
coded_min_length = -1
coded_max_length = -1
compu_scale = None
ct = element.find('./ho:CODED-TYPE', self.__ns__)
if ct is not None:
coded_basetype = self.get_attribute(ct, 'ho:BASE-DATA-TYPE')
coded_category = self.get_attribute(ct, 'CATEGORY')
coded_encoding = self.get_attribute(ct, 'ENCODING')
coded_termination = self.get_attribute(ct, 'TERMINATION')
bl = ct.find('./ho:BIT-LENGTH', self.__ns__)
if bl is not None and bl.text is not None:
coded_bit_length = int(bl.text)
bl = ct.find('./ho:MIN-LENGTH', self.__ns__)
if bl is not None and bl.text is not None:
coded_min_length = int(bl.text)
bl = ct.find('./ho:MAX-LENGTH', self.__ns__)
if bl is not None and bl.text is not None:
coded_max_length = int(bl.text)
cs = element.find('./ho:COMPU-METHODS/ho:COMPU-METHOD/ho:COMPU-INTERNAL-TO-PHYS/ho:COMPU-SCALES/ho:COMPU-SCALE/'
'ho:COMPU-RATIONAL-COEFFS', self.__ns__)
if cs is not None:
compu_scale = []
for num in cs.findall('./ho:COMPU-NUMERATOR/ho:V', self.__ns__):
compu_scale.append(float(num.text))
if len(compu_scale) != 2:
print(f"WARNING: We did not find to nums in the compu-numerator but {len(compu_scale)}!")
num = cs.find('./ho:COMPU-DENOMINATOR/ho:V', self.__ns__)
if num is not None:
compu_scale.append(float(num.text))
else:
compu_scale.append(None)
compu_consts = []
for cs in element.findall('./ho:COMPU-METHODS/ho:COMPU-METHOD/ho:COMPU-INTERNAL-TO-PHYS/ho:COMPU-SCALES/',
self.__ns__):
cc = cs.find('./ho:COMPU-CONST/ho:VT', self.__ns__)
if cc is not None:
compu_const = (cc.text,
self.get_child_text(cs, "ho:LOWER-LIMIT"),
self.get_child_text(cs, "ho:UPPER-LIMIT"))
compu_consts.append(compu_const)
if id is None:
print(f"ERROR: Coding does not have ID!\n{element.text}")
d = {'ID': id,
'OID': oid,
'Name': name,
'Basetype': coded_basetype,
'Category': coded_category,
'Encoding': coded_encoding,
'Termination': coded_termination,
'BitLength': coded_bit_length,
'MinLength': coded_min_length,
'MaxLength': coded_max_length,
'CompuScale': compu_scale,
'CompuConsts': compu_consts}
return d
def parse_codings(self, root):
for coding in root.findall('.//fx:CODINGS/fx:CODING', self.__ns__):
d = self.parse_coding(coding)
if d is not None and 'ID' in d:
self.__codings__[d['ID']] = d
def parse_signal(self, element):
id = self.get_id(element)
oid = self.get_oid(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
code_id = self.get_child_attribute(element, './fx:CODING-REF', 'ID-REF')
coding = self.get_from_dict_or_none(self.__codings__, code_id)
if coding is None:
print(f"WARNING: Signal Coding for Signal {name} is None")
basetype = self.get_from_dict_or_none(coding, 'Basetype')
compu_scale = self.get_from_dict_or_none(coding, 'CompuScale')
compu_consts = self.get_from_dict_or_none(coding, 'CompuConsts')
bit_len = self.get_from_dict_or_none(coding, 'BitLength')
min_len = self.get_from_dict_or_none(coding, 'MinLength')
max_len = self.get_from_dict_or_none(coding, 'MaxLength')
basetypelen = self.basetype_length(coding)
ret = self.__conf_factory__.create_signal(id, name, compu_scale, compu_consts, bit_len, min_len, max_len,
basetype, basetypelen)
self.__signals__[name] = ret
return ret
def parse_signals(self, root):
for signal in root.findall('.//fx:SIGNALS/fx:SIGNAL', self.__ns__):
s = self.parse_signal(signal)
if s is not None:
self.__signals__[s.id()] = s
def parse_signal_instance(self, element):
id = self.get_id(element)
bit_position = self.get_child_text(element, './fx:BIT-POSITION')
is_high_low_byte_order = self.get_child_text(element, './fx:IS-HIGH-LOW-BYTE-ORDER')
signal_ref = self.get_child_attribute(element, './fx:SIGNAL-REF', 'ID-REF')
ret = self.__conf_factory__.create_signal_instance(id, signal_ref, int(bit_position), is_high_low_byte_order)
return ret
def parse_multiplexer(self, element):
# Switch
id = self.get_child_attribute(element, './fx:SWITCH', 'ID')
name = self.get_child_text(element, './fx:SWITCH/ho:SHORT-NAME')
bit_pos = int(self.get_child_text(element, './fx:SWITCH/fx:BIT-POSITION'))
is_high_low_byte_order = self.get_child_text(element, './fx:SWITCH/fx:IS-HIGH-LOW-BYTE-ORDER')
bit_length = int(self.get_child_text(element, './fx:SWITCH/ho:BIT-LENGTH'))
switch = self.__conf_factory__.create_multiplex_switch(id, name, bit_pos, is_high_low_byte_order, bit_length)
# segment positions
segs = []
for seg in element.findall('./fx:DYNAMIC-PART/fx:SEGMENT-POSITIONS/fx:SEGMENT-POSITION', self.__ns__):
bit_pos = int(self.get_child_text(seg, './fx:BIT-POSITION'))
high_low = self.get_child_text(seg, './fx:IS-HIGH-LOW-BYTE-ORDER')
bit_len = int(self.get_child_text(seg, './ho:BIT-LENGTH'))
segs.append(self.__conf_factory__.create_multiplex_segment_position(bit_pos, high_low, bit_len))
# switched pdu instances
pdus = {}
for switched_pdu in element.findall('./fx:DYNAMIC-PART/fx:SWITCHED-PDU-INSTANCES/fx:SWITCHED-PDU-INSTANCE',
self.__ns__):
switch_code = self.get_child_text(switched_pdu, './fx:SWITCH-CODE')
pdu_ref = self.get_child_attribute(switched_pdu, './fx:PDU-REF', 'ID-REF')
pdus[int(switch_code)] = self.get_pdu(pdu_ref)
# static segment positions
static_segs = []
for seg in element.findall('./fx:STATIC-PART/fx:SEGMENT-POSITIONS/fx:SEGMENT-POSITION', self.__ns__):
bit_pos = int(self.get_child_text(seg, './fx:BIT-POSITION'))
high_low = self.get_child_text(seg, './fx:IS-HIGH-LOW-BYTE-ORDER')
bit_len = int(self.get_child_text(seg, './ho:BIT-LENGTH'))
static_segs.append(self.__conf_factory__.create_multiplex_segment_position(bit_pos, high_low, bit_len))
# static pdu instances
static_pdu = self.get_child_attribute(element, './fx:STATIC-PART/fx:STATIC-PDU-INSTANCE/fx:PDU-REF', 'ID-REF')
return switch, segs, pdus, static_segs, static_pdu
def parse_signal_pdu(self, element, verbose):
id = self.get_id(element)
short_name = self.get_child_text(element, 'ho:SHORT-NAME')
byte_length = int(self.get_child_text(element, 'fx:BYTE-LENGTH'))
pdu_type = self.get_child_text(element, 'fx:PDU-TYPE')
if verbose:
print(f"DEBUG: parse_pdu: {short_name} byte_length:{byte_length} pdu_type:{pdu_type}")
signal_instances = dict()
for signal_instance in element.findall('./fx:SIGNAL-INSTANCES/fx:SIGNAL-INSTANCE', self.__ns__):
si = self.parse_signal_instance(signal_instance)
si.add_signal(self.get_signal(si.__signal_ref__))
if si is not None:
signal_instances[si.__id__] = si
ret = self.__conf_factory__.create_pdu(id, short_name, byte_length, pdu_type, signal_instances)
self.add_pdu(ret)
return ret
def parse_multiplex_pdu(self, element, verbose):
pdu_id = self.get_id(element)
short_name = self.get_child_text(element, 'ho:SHORT-NAME')
byte_length = int(self.get_child_text(element, 'fx:BYTE-LENGTH'))
pdu_type = self.get_child_text(element, 'fx:PDU-TYPE')
if verbose:
print(f"DEBUG: parse_pdu:{short_name} byte_length:{byte_length} pdu_type:{pdu_type}")
multiplexer = element.find('./fx:MULTIPLEXER', self.__ns__)
switch, seg_pos, pdu_instances, static_segs, static_pdu_id = self.parse_multiplexer(multiplexer)
static_pdu = self.get_pdu(static_pdu_id)
ret = self.__conf_factory__.create_multiplex_pdu(pdu_id, short_name, byte_length, pdu_type,
switch, seg_pos, pdu_instances, static_segs, static_pdu)
self.add_pdu(ret)
return ret
def parse_pdus(self, root, verbose):
# first pass without MULTIPLEXER
for pdu in root.findall('.//fx:PDUS/fx:PDU', self.__ns__):
if pdu.find('./fx:MULTIPLEXER', self.__ns__) is None:
p = self.parse_signal_pdu(pdu, verbose)
if p is not None:
self.add_pdu(p)
# second pass MULTIPLEXER only, since static PDUs need to already be parsed
for pdu in root.findall('.//fx:PDUS/fx:PDU/fx:MULTIPLEXER/..', self.__ns__):
p = self.parse_multiplex_pdu(pdu, verbose)
if p is not None:
self.add_pdu(p)
def parse_pdu_instance(self, element):
id = self.get_id(element)
pdu_ref = self.get_child_attribute(element, './fx:PDU-REF', 'ID-REF')
bit_position = int(self.get_child_text(element, './fx:BIT-POSITION'))
is_high_low_byte_order = self.get_child_text(element, './fx:IS-HIGH-LOW-BYTE-ORDER')
pdu_update_bit_position = self.get_child_text(element, './/fx:PDU-UPDATE-BIT-POSITION')
if pdu_update_bit_position is not None:
pdu_update_bit_position = int(pdu_update_bit_position)
ret = self.__conf_factory__.create_pdu_instance(id, pdu_ref, bit_position, is_high_low_byte_order, pdu_update_bit_position)
return ret
def parse_frame_triggering(self, element):
id = self.get_id(element)
frame_ref = self.get_child_attribute(element, './fx:FRAME-REF', 'ID-REF')
frame = self.__frames__.get(frame_ref, None)
# let us find out what we have here...
# CAN:
identifier_tmp = self.get_child_text(element, './fx:IDENTIFIER/fx:IDENTIFIER-VALUE')
# FlexRay
slot_id_tmp = self.get_child_text(element, './fx:TIMINGS/fx:ABSOLUTELY-SCHEDULED-TIMING/fx:SLOT-ID')
cycle_counter_tmp = self.get_child_text(element, './fx:TIMINGS/fx:ABSOLUTELY-SCHEDULED-TIMING/fx:CYCLE-COUNTER')
base_cycle_tmp = self.get_child_text(element, './fx:TIMINGS/fx:ABSOLUTELY-SCHEDULED-TIMING/fx:BASE-CYCLE')
cycle_repetition_tmp = self.get_child_text(element, './fx:TIMINGS/fx:ABSOLUTELY-SCHEDULED-TIMING/fx:CYCLE-REPETITION')
if slot_id_tmp is not None and ((cycle_counter_tmp is not None) or
(base_cycle_tmp is not None and cycle_repetition_tmp is not None)):
# FlexRay
slot_id = int(slot_id_tmp)
# two options in standard: CYCLE-COUNTER or BASE-CYCLE + REPETITION
cycle_counter = None if cycle_counter_tmp is None else int(cycle_counter_tmp)
base_cycle = None if base_cycle_tmp is None else int(base_cycle_tmp)
cycle_repetition = None if cycle_repetition_tmp is None else int(cycle_repetition_tmp)
ret = self.__conf_factory__.create_frame_triggering_flexray(id, frame, slot_id, cycle_counter,
base_cycle, cycle_repetition)
return ret
elif identifier_tmp is not None:
can_id = int(identifier_tmp)
ret = self.__conf_factory__.create_frame_triggering_can(id, frame, can_id)
return ret
return None
def parse_frame_triggerings(self, root):
for frame_triggering in root.findall('.//fx:FRAME-TRIGGERING', self.__ns__):
f = self.parse_frame_triggering(frame_triggering)
if f is not None:
if f.id() in self.__frame_triggerings__.keys():
print(f"WARNING: creating another Frame Triggering with ID: {f.id()}")
self.__frame_triggerings__[f.id()] = f
def parse_frame(self, element, verbose):
id = self.get_id(element)
short_name = self.get_child_text(element, './ho:SHORT-NAME')
byte_length = self.get_child_text(element, './fx:BYTE-LENGTH')
frame_type = self.get_child_text(element, './fx:FRAME-TYPE')
pdu_instances = dict()
for pdu_instance in element.findall('./fx:PDU-INSTANCES/fx:PDU-INSTANCE', self.__ns__):
pi = self.parse_pdu_instance(pdu_instance)
if pi is not None:
pdu = self.get_pdu(pi.__pdu_ref__)
if pdu is None:
print(f"ERROR: Frame {short_name} references unknown PDU {pi.__pdu_ref__}!")
else:
pi.add_pdu(pdu)
pdu_instances[pi.__id__] = pi
ret = self.__conf_factory__.create_frame(id, short_name, byte_length, frame_type, pdu_instances)
return ret
def parse_frames(self, root, verbose):
for frame in root.findall('.//fx:FRAMES/fx:FRAME', self.__ns__):
f = self.parse_frame(frame, verbose)
if f is not None:
self.__frames__[f.id()] = f
def basetype_length(self, coding_dict):
basetype = self.get_from_dict(coding_dict, "Basetype", "--INVALID--")
if basetype in ['A_UINT8', 'A_INT8']:
return 8
if basetype in ['A_UINT16', 'A_INT16']:
return 16
if basetype in ['A_UINT32', 'A_INT32', 'A_FLOAT32']:
return 32
if basetype in ['A_UINT64', 'A_INT64', 'A_FLOAT64']:
return 64
# 'A_ASCIISTRING', 'A_UNICODE2STRING', 'A_BYTEFIELD', 'A_BITFIELD', 'OTHER'
return -1
def basetype_is_int(self, coding_dict):
basetype = self.get_from_dict(coding_dict, "Basetype", "--INVALID--")
return basetype in ['A_UINT8', 'A_INT8', 'A_UINT16', 'A_INT16', 'A_UINT32', 'A_INT32', 'A_UINT64', 'A_INT64']
def basetype_is_float(self, coding_dict):
basetype = self.get_from_dict(coding_dict, "Basetype", "--INVALID--")
return basetype in ['A_FLOAT32', 'A_FLOAT64']
def basetype_is_string(self, coding_dict):
basetype = self.get_from_dict(coding_dict, "Basetype", "--INVALID--")
return basetype in ['A_ASCIISTRING', 'A_UNICODE2STRING']
def basetype_is_other(self, coding_dict):
basetype = self.get_from_dict(coding_dict, "Basetype", "--INVALID--")
return basetype in ['A_BYTEFIELD', 'A_BITFIELD', 'OTHER']
def interpret_datatype(self, element, utils, serialization_attributes):
ret = None
p = dict()
p["ID"] = self.get_id(element)
p["OID"] = self.get_oid(element)
p["Name"] = self.get_child_text(element, './ho:SHORT-NAME')
p["Type"] = self.get_attribute(element, 'xsi:type')
if p["ID"] is None or p["Type"] is None:
print("ERROR: Datatype should have ID and Type!!!")
return None
# coding1 = self.get_from_dict_or_none(utils, "Coding")
coding2 = None
coding_ref = element.find('fx:CODING-REF', self.__ns__)
if coding_ref is not None:
coding2 = self.__codings__[self.get_attribute(coding_ref, 'ID-REF')]
if p["Type"] == "fx:COMMON-DATATYPE-TYPE" or p["Type"] == "fx:ENUM-DATATYPE-TYPE":
if self.basetype_is_int(coding2) or self. basetype_is_float(coding2):
bitlenbase = self.get_from_dict(coding2, "BitLength", -1)
bitlenenct = self.get_from_dict(utils, "BitLength", -1)
if bitlenenct == -1:
bitlenenct = bitlenbase
if p["Type"] == "fx:COMMON-DATATYPE-TYPE":
ret = self.__conf_factory__.create_someip_parameter_basetype(
self.get_from_dict_or_none(p, "Name"),
self.get_from_dict_or_none(coding2, "Basetype"),
self.get_from_dict_or_none(utils, "HighLowByteOrder"),
bitlenbase,
bitlenenct
)
elif p["Type"] == "fx:ENUM-DATATYPE-TYPE":
ret = self.__conf_factory__.create_someip_parameter_basetype(
self.get_from_dict_or_none(coding2, "Name"),
self.get_from_dict_or_none(coding2, "Basetype"),
self.get_from_dict_or_none(utils, "HighLowByteOrder"),
bitlenbase,
bitlenenct
)
elif self.basetype_is_string(coding2):
bitlen = self.get_from_dict(utils, "BitLength", -1)
minlen = self.get_from_dict(utils, "MinBitLength", -1)
maxlen = self.get_from_dict(utils, "MaxBitLength", -1)
# this basically gives us the smallest char
if minlen == -1:
minlen = self.get_from_dict(coding2, "MinLength", -1)
# this should never yield more than -1
if maxlen == -1:
maxlen = self.get_from_dict(coding2, "MaxLength", -1)
if maxlen != -1:
print("WARNING: FIBEX seems strange. I found a MaxLength in Coding!")
if minlen != -1:
minlen = minlen / 8
if maxlen != -1:
maxlen = maxlen / 8
cat = self.get_from_dict(coding2, "Category", None)
enc = self.get_from_dict(coding2, "Encoding", None)
term = self.get_from_dict(coding2, "Termination", None)
if cat == "A_ASCIISTRING" and enc is None:
enc = "ASCII"
if enc == "UCS-2":
enc = "UTF-16"
if bitlen != -1:
lenoflen = 0
minlen = bitlen / 8
maxlen = bitlen / 8
else:
lenoflen = 32
if cat == "LEADING-LENGTH-INFO-TYPE":
lenoflen = self.get_from_dict(serialization_attributes, "LengthFieldSize", 32)
pad_to = 0
ret = self.__conf_factory__.create_someip_parameter_string(
self.get_from_dict_or_none(p, "Name"),
enc,
self.get_from_dict_or_none(utils, "HighLowByteOrder"),
minlen,
maxlen,
term,
lenoflen,
pad_to
)
if p["Type"] == "fx:ENUM-DATATYPE-TYPE":
items = {}
for i in element.findall('./fx:ENUMERATION-ELEMENTS/fx:ENUM-ELEMENT', self.__ns__):
value = self.get_child_text(i, "fx:VALUE")
name = self.get_child_text(i, "fx:SYNONYM")
desc = self.get_child_text(i, "ho:DESC")
items[value] = self.__conf_factory__.create_someip_parameter_enumeration_item(value, name, desc)
enumitems = self.dict_to_sorted_set(items)
ret = self.__conf_factory__.create_someip_parameter_enumeration(
self.get_from_dict_or_none(p, "Name"),
enumitems,
ret
)
if p["Type"] == "fx:COMPLEX-DATATYPE-TYPE":
p["ComplexClass"] = self.get_child_text(element, 'fx:COMPLEX-DATATYPE-CLASS')
members = dict()
for member in element.findall('fx:MEMBERS/fx:MEMBER', self.__ns__):
(pos, m) = self.parse_member(member, p["ComplexClass"])
members[pos] = m
p["Members"] = self.dict_to_sorted_set(members)
if "Members" in p:
if self.get_from_dict_or_none(p, "ComplexClass") == "STRUCTURE":
members = dict()
for m in p["Members"]:
child = self.interpret_datatype(
self.get_from_dict_or_none(self.__datatypes__,
self.get_from_dict_or_none(m, "DatatypeRef")),
self.get_from_dict_or_none(m, "Utilization"),
self.get_from_dict_or_none(m, "SerializationAttributes")
)
if "Array" in m and m["Array"] is not None:
child = self.build_array(
m["Name"],
self.get_from_dict(serialization_attributes, "ArrayLengthSize", -1),
m["Array"],
child
)
signal = self.get_from_dict_or_none(self.__signals__,
self.get_from_dict_or_none(m, "SignalRef"))
member = self.__conf_factory__.create_someip_parameter_struct_member(
m["Position"],
m["Name"],
m["Mandatory"],
child,
signal
)
members[m["Position"]] = member
len_of_len = self.get_from_dict(serialization_attributes, "LengthFieldSize", 0)
padto = 0
ret = self.__conf_factory__.create_someip_parameter_struct(p["Name"], len_of_len, padto, members)
elif self.get_from_dict_or_none(p, "ComplexClass") == "UNION":
members = dict()
for m in p["Members"]:
child = self.interpret_datatype(
self.get_from_dict_or_none(self.__datatypes__,
self.get_from_dict_or_none(m, "DatatypeRef")),
self.get_from_dict_or_none(m, "Utilization"),
self.get_from_dict_or_none(m, "SerializationAttributes")
)
if "Array" in m and m["Array"] is not None:
child = self.build_array(
m["Name"],
self.get_from_dict(serialization_attributes, "ArrayLengthSize", -1),
m["Array"],
child
)
member = self.__conf_factory__.create_someip_parameter_union_member(
m["Index"],
m["Name"],
m["Mandatory"],
child
)
members[m["Index"]] = member
len_of_len = self.get_from_dict(serialization_attributes, "LengthFieldSize", 32)
len_of_type = self.get_from_dict(serialization_attributes, "TypeFieldSize", 32)
padto = 0
ret = self.__conf_factory__.create_someip_parameter_union(
p["Name"],
len_of_len,
len_of_type,
padto,
members
)
elif self.get_from_dict_or_none(p, "ComplexClass") == "TYPEDEF":
child = None
childname = None
for m in p["Members"]:
if "Position" in m and m["Position"] == 0:
child = self.interpret_datatype(
self.get_from_dict_or_none(self.__datatypes__,
self.get_from_dict_or_none(m, "DatatypeRef")),
self.merge_utilizations(utils, self.get_from_dict_or_none(m, "Utilization")),
self.get_from_dict_or_none(m, "SerializationAttributes")
)
childname = self.get_from_dict(m, "Name", "")
if "Array" in m and m["Array"] is not None:
child = self.build_array(
m["Name"],
self.get_from_dict(serialization_attributes, "ArrayLengthSize", -1),
m["Array"],
child
)
ret = self.__conf_factory__.create_someip_parameter_typedef(p["Name"], childname, child)
else:
print(f"ERROR: ComplexClass: %s Members: %d is not understood" %
(self.get_from_dict_or_none(p, "ComplexClass"), len(p))
)
if ret is None:
print("WARNING: interpretDatatype(%s, %s, %s, %s, %s, %s) returns None!!!!!!!" %
(element, utils, serialization_attributes, p["ID"], p["Name"], p["Type"])
)
return ret
def parse_datatypes(self, root):
self.__datatypes__ = dict()
for datatype in root.findall('.//fx:DATATYPES/fx:DATATYPE', self.__ns__):
did = self.get_id(datatype)
if did is not None:
self.__datatypes__[did] = datatype
def parse_array(self, element):
ret = None
for dimension in element.findall('./fx:ARRAY-DECLARATION/fx:ARRAY-DIMENSION', self.__ns__):
if ret is None:
ret = dict()
minsize = self.element_text_to_int(dimension.find('fx:MINIMUM-SIZE', self.__ns__), 0)
maxsize = self.element_text_to_int(dimension.find('fx:MAXIMUM-SIZE', self.__ns__), -1)
dim = self.element_text_to_int(dimension.find('fx:DIMENSION', self.__ns__), -1)
bit = self.element_text_to_int(dimension.find('fx:BIT-ALIGNMENT', self.__ns__), 0)
if dim > 0:
ret[dim] = {'dim': dim, 'max': maxsize, 'min': minsize, 'bitalignment': bit}
else:
print(f"ERROR: dim {dim} is less than 1!")
return ret
def build_array(self, name, lengthoflength, arrayspec, child):
dims = dict()
for a in sorted(arrayspec.keys()):
arraydim = arrayspec[a]
dim = self.get_from_dict_or_none(arraydim, "dim")
d = self.__conf_factory__.create_someip_parameter_array_dim(dim,
self.get_from_dict(arraydim, "min", 0),
self.get_from_dict(arraydim, "max", -1),
lengthoflength,
self.get_from_dict(arraydim, "bitalignment", 0)
)
dims[dim] = d
return self.__conf_factory__.create_someip_parameter_array(name, dims, child)
def parse_parameter(self, param):
p = dict()
p["ID"] = self.get_id(param)
p["OID"] = self.get_oid(param)
p["Name"] = self.get_child_text(param, './ho:SHORT-NAME')
p["Desc"] = self.element_text(param.find('./ho:DESC', self.__ns__))
p["Mandatory"] = self.element_text(param.find('./service:MANDATORY', self.__ns__))
p["Position"] = self.element_text(param.find('./service:POSITION', self.__ns__))
if p["Position"] is not None:
p["Position"] = int(p["Position"])
dt = self.get_child_attribute(param, './fx:DATATYPE-REF', 'ID-REF')
p["Datatype"] = self.get_from_dict_or_none(self.__datatypes__, dt)
if p["Datatype"] is None:
print("ERROR: Parameter without datatype is kind of strange!!!")
s = self.get_child_attribute(param, './fx:SIGNAL-REF', 'ID-REF')
signal = None
if s is not None:
signal = self.get_from_dict_or_none(self.__signals__, s)
p["Array"] = self.parse_array(param)
utils = self.parse_utilization(param)
serialization_attributes = self.parse_serialization_attributes(param)
dt = self.get_from_dict_or_none(p, "Datatype")
ret = self.interpret_datatype(dt, utils, serialization_attributes)
if "Array" in p and p["Array"] is not None:
ret = self.build_array(p["Name"], serialization_attributes["ArrayLengthSize"], p["Array"], ret)
return p["Position"], self.__conf_factory__.create_someip_parameter(p["Position"], p["Name"], p["Desc"],
p["Mandatory"], ret, signal), p
def parse_method(self, element):
id = self.get_id(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
method_id = int(self.get_child_text(element, './service:METHOD-IDENTIFIER'))
reliable = ("true" == self.get_child_text(element, './service:RELIABLE'))
call_type = self.get_child_text(element, './service:CALL-SEMANTIC')
if call_type is None:
call_type = "REQUEST_RESPONSE"
inparams = dict()
for param in element.findall('./service:INPUT-PARAMETERS/service:INPUT-PARAMETER', self.__ns__):
(pos, p) = self.parse_parameter(param)[:2]
inparams[pos] = p
outparams = dict()
for param in element.findall('./service:RETURN-PARAMETERS/service:RETURN-PARAMETER', self.__ns__):
(pos, p) = self.parse_parameter(param)[:2]
outparams[pos] = p
debouncereq = -1
retentionreq = -1
retentionres = -1
m = self.__conf_factory__.create_someip_service_method(
name,
method_id,
call_type,
reliable,
sorted(inparams.values(), key=lambda x: x.position()),
sorted(outparams.values(), key=lambda x: x.position()),
debouncereq,
retentionreq,
retentionres
)
return id, m
def parse_event(self, element):
id = self.get_id(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
method_id = int(self.get_child_text(element, './service:METHOD-IDENTIFIER'))
reliable = ("true" == self.get_child_text(element, './service:RELIABLE'))
debounce = -1
retention = -1
params = dict()
for param in element.findall('./service:INPUT-PARAMETERS/service:INPUT-PARAMETER', self.__ns__):
(pos, p) = self.parse_parameter(param)[:2]
params[pos] = p
m = self.__conf_factory__.create_someip_service_event(
name,
method_id,
reliable,
sorted(params.values(), key=lambda x: x.position()),
debounce,
retention
)
return id, m
def parse_field(self, element):
id = self.get_id(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
getter_id = (self.get_child_text(element, './service:GETTER/service:METHOD-IDENTIFIER'))
setter_id = (self.get_child_text(element, './service:SETTER/service:METHOD-IDENTIFIER'))
notifier_id = (self.get_child_text(element, './service:NOTIFIER/service:NOTIFICATION-IDENTIFIER'))
if getter_id is not None:
getter_id = int(getter_id)
if setter_id is not None:
setter_id = int(setter_id)
if notifier_id is not None:
notifier_id = int(notifier_id)
getter_reli = ("true" == self.get_child_text(element, './service:GETTER/service:RELIABLE'))
setter_reli = ("true" == self.get_child_text(element, './service:SETTER/service:RELIABLE'))
notifier_reli = ("true" == self.get_child_text(element, './service:NOTIFIER/service:RELIABLE'))
dt = self.get_child_attribute(element, './fx:DATATYPE-REF', 'ID-REF')
if dt is None:
print(f"ERROR: We are missing a datatype for {element}")
return None
datatype = self.get_from_dict_or_none(self.__datatypes__, dt)
if datatype is None:
print(f"ERROR: Unknown Datatype: {dt}")
return None
signal = None
s = self.get_child_attribute(element, './fx:SIGNAL-REF', 'ID-REF')
if s is not None:
signal = self.get_from_dict_or_none(self.__signals__, s)
if signal is None:
print(f"ERROR: Unknown Signal: {s}")
return None
array_declaration = self.parse_array(element)
utils = self.parse_utilization(element)
serialization_attributes = self.parse_serialization_attributes(element)
params = []
child = self.interpret_datatype(datatype, utils, serialization_attributes)
if array_declaration is not None:
child = self.build_array(f"{name}_array", serialization_attributes["ArrayLengthSize"],
array_declaration, child)
params += [self.__conf_factory__.create_someip_parameter(0, 'fieldparam', '', True, child, signal)]
getter_debouncereq = -1
getter_retentionreq = -1
getter_retentionres = -1
setter_debouncereq = -1
setter_retentionreq = -1
setter_retentionres = -1
notifier_debounce = -1
notifier_retention = -1
f = self.__conf_factory__.create_someip_service_field(
name, getter_id, setter_id, notifier_id,
getter_reli, setter_reli, notifier_reli, params,
getter_debouncereq, getter_retentionreq, getter_retentionres,
setter_debouncereq, setter_retentionreq, setter_retentionres,
notifier_debounce, notifier_retention
)
return id, f
def parse_eventgroup(self, element, serviceid, events, fields):
id = self.get_id(element)
name = self.get_child_text(element, './ho:SHORT-NAME')
egid = self.get_child_text(element, './fx:SERVICE-IDENTIFIER')