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fibex_parser.py
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fibex_parser.py
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#!/usr/bin/python
# Automotive configuration file scripts
# Copyright (C) 2015-2023 Dr. Lars Voelker
# Copyright (C) 2018-2019 Dr. Lars Voelker, BMW AG
# Copyright (C) 2020-2023 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
class FibexParser(AbstractParser):
def __init__(self):
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',
'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.__ecus__ = dict()
self.__coupling_ports__ = 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()
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 == None!")
compu_scale = self.get_from_dict_or_none(coding, 'CompuScale')
compu_consts = self.get_from_dict_or_none(coding, 'CompuConsts')
ret = self.__conf_factory__.create_legacy_signal(id, name, compu_scale, compu_consts)
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 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":
t_ints = ['A_UINT8', 'A_INT8', 'A_UINT16', 'A_INT16', 'A_UINT32', 'A_INT32', 'A_UINT64', 'A_INT64']
t_floats = ['A_FLOAT32', 'A_FLOAT64']
t_strings = ['A_ASCIISTRING', 'A_UNICODE2STRING']
# t_other = ['A_BYTEFIELD', 'A_BITFIELD', 'OTHER']
basetype = self.get_from_dict(coding2, "Basetype", "--INVALID--")
if basetype in (t_ints + t_floats):
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 basetype in t_strings:
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
utils = self.parse_utilization(element)
serialization_attributes = self.parse_serialization_attributes(element)
params = []
child = self.interpret_datatype(datatype, utils, serialization_attributes)
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')
eventids = []
notifierids = []
for eventref in element.findall('./service:EVENT-REFS/service:EVENT-REF', self.__ns__):
ref = self.get_attribute(eventref, 'ID-REF')
if events is not None and ref in events:
eventids += [events[ref]]
else:
print(f"ERROR: Eventgroup {id} has EVENT-REF to {ref} but I cannot find the Event!")
for fieldref in element.findall('./service:FIELD-REFS/service:FIELD-REF', self.__ns__):
ref = self.get_attribute(fieldref, 'ID-REF')
if fields is not None and ref in fields:
notifierids += [fields[ref]]
else:
print("ERROR: Eventgroup %s has FIELD-REF to %s but I cannot find the Field!" % (id, ref))
self.__eventgrouprefs__[id] = (serviceid, egid)
return id, self.__conf_factory__.create_someip_service_eventgroup(name, egid, eventids, notifierids)
def parse_service(self, service):
id = None
sid = self.get_id(service)
name = self.get_child_text(service, './ho:SHORT-NAME')
service_id = int(self.get_child_text(service, './fx:SERVICE-IDENTIFIER'))
major_version = int(self.get_child_text(service, './service:API-VERSION/service:MAJOR'))
minor_version = int(self.get_child_text(service, './service:API-VERSION/service:MINOR'))
methods = dict()
for method in service.findall('./service:METHODS/service:METHOD', self.__ns__):
id, m = self.parse_method(method)
methods[m.methodid()] = m
eventids = dict()
events = dict()
for event in service.findall('./service:EVENTS/service:EVENT', self.__ns__):
id, e = self.parse_event(event)
events[e.methodid()] = e
eventids[id] = e.methodid()
fieldids = dict()
fields = dict()
for field in service.findall('./service:FIELDS/service:FIELD', self.__ns__):
id, f = self.parse_field(field)
fields[f.id()] = f
fieldids[id] = f.notifierid()
eventgroups = dict()
for eg in service.findall('./service:EVENT-GROUPS/service:EVENT-GROUP', self.__ns__):
id, eg = self.parse_eventgroup(eg, id, eventids, fieldids)
eventgroups[eg.id()] = eg
s = self.__conf_factory__.create_someip_service(name, service_id, major_version, minor_version, methods, events,
fields, eventgroups)
return sid, s
def parse_member(self, element, t):
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["DatatypeRef"] = self.get_child_attribute(element, 'fx:DATATYPE-REF', 'ID-REF')
p["SignalRef"] = self.get_child_attribute(element, 'fx:SIGNAL-REF', 'ID-REF')
p["Index"] = self.element_text_to_int(element.find('fx:INDEX', self.__ns__), -1)
position = element.find('fx:POSITION', self.__ns__)
if position is not None:
position = int(position.text)
p["Position"] = position
mandatory = element.find('fx:MANDATORY', self.__ns__)
if mandatory is not None:
mandatory = "true" == mandatory.text or "True" == mandatory.text or "TRUE" == mandatory.text
p["Mandatory"] = mandatory
p["Utilization"] = self.parse_utilization(element)
p["SerializationAttributes"] = self.parse_serialization_attributes(element)
p["Array"] = self.parse_array(element)
pos = -1
if t == "STRUCTURE" or t == "TYPEDEF":
pos = p["Position"]
elif t == "UNION":
pos = p["Index"]
return pos, p
def parse_services(self, root):
self.__services__ = dict()
for service in root.findall('.//fx:SERVICE-INTERFACE', self.__ns__):
id, s = self.parse_service(service)
self.__services__[id] = s
def parse_channels(self, root):
for ch in root.findall('.//fx:CHANNELS/fx:CHANNEL', self.__ns__):
channel = dict()
channel["id"] = self.get_id(ch)
channel["name"] = self.get_child_text(ch, "ho:SHORT-NAME")
channel["vlanid"] = None
channel["vlanname"] = None
for v in ch.findall('ethernet:VIRTUAL-LAN', self.__ns__):
# = self.ID(v)
if channel["vlanid"] is not None:
print("WARNING: We have found a channel with more than 1 VLAN. We are skipping those.")
else:
channel["vlanid"] = self.get_child_text(v, "ethernet:VLAN-IDENTIFIER")
channel["vlanname"] = self.get_child_text(v, "ho:SHORT-NAME")
self.__channels__[channel["id"]] = channel
def parse_neps(self, element):
neps = dict()
for n in element.findall('it:NETWORK-ENDPOINTS/it:NETWORK-ENDPOINT', self.__ns__):
nep = dict()
nep["id"] = self.get_id(n)
nep["name"] = self.get_child_text(n, "it:MANUFACTURER-EXTENSION/ho:SHORT-NAME")
ipsv4 = []
for i in n.findall('it:NETWORK-ENDPOINT-ADDRESSES/it:NETWORK-ENDPOINT-ADDRESS/it:IPV4', self.__ns__):
ip = dict()
ip["addr"] = self.get_child_text(i, "it:IP-ADDRESS")
ip["addrsrc"] = self.get_child_text(i, "it:IPV4-ADDRESS-SOURCE")
ip["netmask"] = self.get_child_text(i, "it:NETWORKMASK")
ipsv4 += [ip]
nep["ipsv4"] = ipsv4
ipsv6 = []
for i in n.findall('it:NETWORK-ENDPOINT-ADDRESSES/it:NETWORK-ENDPOINT-ADDRESS/it:IPV6', self.__ns__):
ip = dict()
ip["addr"] = self.get_child_text(i, "it:IPV6-ADDRESS")
ip["addrsrc"] = self.get_child_text(i, "it:IPV6-ADDRESS-SOURCE")
ip["netmask"] = self.get_child_text(i, "it:IPV6-ADDRESS-PREFIX-LENGTH")
ipsv6 += [ip]
nep["ipsv6"] = ipsv6
neps[nep["id"]] = nep
return neps
def parse_psis(self, root):
for aep in root.findall('.//it:APPLICATION-ENDPOINT', self.__ns__):
protover = self.get_child_text(aep, 'it:SERIALIZATION-TECHNOLOGY/it:VERSION')
if protover is None:
protover = 1
aepid = self.get_id(aep)
for psi in aep.findall('it:PROVIDED-SERVICE-INSTANCES/it:PROVIDED-SERVICE-INSTANCE', self.__ns__):
id = self.get_id(psi)
instanceid = self.get_child_text(psi, 'it:INSTANCE-IDENTIFIER')
servref = self.get_child_attribute(psi, 'service:SERVICE-INTERFACE-REF', 'ID-REF')
if servref not in self.__services__:
print(f"ERROR in FIBEX: I cannot find Service {servref}")
else:
service = self.__services__[servref]
si = self.__conf_factory__.create_someip_service_instance(service, instanceid, protover)
self.__ServiceInstances__[id] = si
if aepid not in self.__aeps__:
self.__aeps__[aepid] = ([], [], [], [])
psis, csis, ehs, cegs = self.__aeps__[aepid]
self.__aeps__[aepid] = (psis + [si], csis, ehs, cegs)
def parse_psis_pass_two(self, root):
for aep in root.findall('.//it:APPLICATION-ENDPOINT', self.__ns__):
# protover = self.get_child_text(aep, 'it:SERIALIZATION-TECHNOLOGY/it:VERSION')
# if protover is None:
# protover = 1
aepid = self.get_id(aep)
for cegrefs in aep.findall(
'it:PROVIDED-SERVICE-INSTANCES/it:PROVIDED-SERVICE-INSTANCE/' +
'it:EVENT-HANDLERS/it:EVENT-HANDLER/it:CONSUMED-EVENT-GROUP-REFS',
self.__ns__
):
eh = None
ref = None
for cegref in cegrefs.findall('it:CONSUMED-EVENT-GROUP-REF', self.__ns__):
ref = self.get_attribute(cegref, 'ID-REF')
if ref not in self.__ServiceEventgroupReceiver__:
print(f"ERROR in FIBEX: I cannot find the CEGREF {ref}!")
else:
egreceiver = self.__ServiceEventgroupReceiver__[ref]
if eh is None:
eh = self.__conf_factory__.create_someip_service_eventgroup_sender(egreceiver.serviceinstance(),
egreceiver.eventgroupid())
eh.addreceiver(egreceiver)
if aepid not in self.__aeps__:
self.__aeps__[aepid] = ([], [], [], [])
psis, csis, ehs, cegs = self.__aeps__[aepid]
self.__aeps__[aepid] = (psis, csis, ehs + [eh], cegs)
def parse_csis_and_cegs(self, root):
for aep in root.findall('.//it:APPLICATION-ENDPOINT', self.__ns__):
aepid = self.get_id(aep)
for csi in aep.findall('it:CONSUMED-SERVICE-INSTANCES/it:CONSUMED-SERVICE-INSTANCE', self.__ns__):
psiid = self.get_child_attribute(csi, 'it:PROVIDED-SERVICE-INSTANCE-REF', 'ID-REF')
if psiid in self.__ServiceInstances__:
si = self.__ServiceInstances__[psiid]
tmp = self.__conf_factory__.create_someip_service_instance_client(si.service(), si.instanceid(),
si.protover(), si)
if aepid not in self.__aeps__:
self.__aeps__[aepid] = ([], [], [], [])
psis, csis, ehs, cegs = self.__aeps__[aepid]
self.__aeps__[aepid] = (psis, csis + [tmp], ehs, cegs)
for ceg in csi.findall('it:CONSUMED-EVENT-GROUPS/it:CONSUMED-EVENT-GROUP', self.__ns__):
cegid = self.get_id(ceg)
egref = self.get_child_attribute(ceg, 'service:EVENT-GROUP-REF', 'ID-REF')
aepref = self.get_child_attribute(ceg, 'it:APPLICATION-ENDPOINT-REF', 'ID-REF')
if egref not in self.__eventgrouprefs__:
print(f"ERROR in FIBEX: I cannot find Eventgroup {egref}!")
else:
egid = self.__eventgrouprefs__[egref][1]
tmp = self.__conf_factory__.create_someip_service_eventgroup_receiver(si, egid, None)
if cegid not in self.__ServiceEventgroupReceiver__.keys():
self.__ServiceEventgroupReceiver__[cegid] = tmp
else:
print(f"ERROR in FIBEX: The CEG ID seems to be not unique {egid}!")
if aepref not in self.__aeps__:
self.__aeps__[aepref] = ([], [], [], [])
psis, csis, ehs, cegs = self.__aeps__[aepref]
self.__aeps__[aepref] = (psis, csis, ehs, cegs + [tmp])
else:
print(f"ERROR in FIBEX: Cannot find PSI {psiid}")
@staticmethod
def lookup_dyn_port(name):
# we could add code here to determine real port based on name
return -1
def parse_ecus(self, root):
self.parse_psis(root)
self.parse_csis_and_cegs(root)
self.parse_psis_pass_two(root)
for e in root.findall('.//fx:ECUS/fx:ECU', self.__ns__):
ecu_name = self.get_child_text(e, "ho:SHORT-NAME")
ecu_id = self.get_attribute(e, "ID")
ctrls = dict()
for c in e.findall('fx:CONTROLLERS/fx:CONTROLLER', self.__ns__):
ctrl = dict()
ctrl["id"] = self.get_id(c)
ctrl["name"] = self.get_child_text(c, "ho:SHORT-NAME")
ctrl["conns"] = []
ctrl["ifaces"] = []
ctrls[ctrl["id"]] = ctrl
for c in e.findall('fx:CONNECTORS/fx:CONNECTOR', self.__ns__):
channelref = self.get_child_attribute(c, 'fx:CHANNEL-REF', 'ID-REF')
ctrlref = self.get_child_attribute(c, 'fx:CONTROLLER-REF', 'ID-REF')
ctrl = None
if ctrlref in ctrls:
ctrl = ctrls[ctrlref]
else:
print(f"FIBEX WARNING: I cannot find controller with ref {ctrlref} "
f"for connector {self.get_id(c)}! Creating dummy myself!")
# creating dummy controller since we need to link ECU and Interface
ctrl = dict()
ctrl["id"] = self.get_id(c)
ctrl["name"] = self.get_id(c)
ctrl["conns"] = []
ctrl["ifaces"] = []
ctrls[ctrl["id"]] = ctrl
if channelref in self.__channels__:
channel = self.__channels__[channelref]
else:
channel = None
print(f"ERROR in FIBEX: I cannot find channel {channelref}")
interface_ips = []
sockets = []
neps = self.parse_neps(c)
for nepref, nep in neps.items():
ips = []
if "ipsv4" in nep:
for ip in nep["ipsv4"]:
ips += [ip["addr"]]
if "ipsv6" in nep:
for ip in nep["ipsv6"]:
ips += [ip["addr"]]
for ip in ips:
if ip not in interface_ips:
interface_ips.append(ip)
for aep in c.findall('it:APPLICATION-ENDPOINTS/it:APPLICATION-ENDPOINT', self.__ns__):
aep_id = self.get_id(aep)
if aep_id in self.__aeps__:
sis, csis, ehs, cegs = self.__aeps__[aep_id]
aep_name = self.get_child_text(aep, 'it:MANUFACTURER-EXTENSION/ho:SHORT-NAME')
nepref = self.get_child_attribute(aep, 'it:NETWORK-ENDPOINT-REF', 'ID-REF')
if nepref in neps:
nep = neps[nepref]
else:
nep = None
print("ERROR in FIBEX: I cannot find NEP %s" % nepref)
ips = []