def generate_meter_band(out, name, version):
ofclasses = [
x for x in build_ofclasses(version)
if utils.class_is_meter_band(x.name)
]
util.render_template(out,
'meter_band.py',
ofclasses=ofclasses,
version=version)
def generate_common(out, name, version):
ofclasses = [x for x in build_ofclasses(version)
if not utils.class_is_message(x.name)
and not utils.class_is_action(x.name)
and not utils.class_is_instruction(x.name)
and not utils.class_is_meter_band(x.name)
and not utils.class_is_oxm(x.name)
and not utils.class_is_list(x.name)]
util.render_template(out, 'common.py', ofclasses=ofclasses, version=version)
def class_info(self):
""" return tuple of (package_prefix, parent_class) for the current JavaOFInterface"""
# FIXME: This duplicates inheritance information that is now available in the loxi_ir
# model (note, that the loxi model is on versioned classes). Should check/infer the
# inheritance information from the versioned lox_ir classes.
if re.match(r'OFStatsRequest$', self.name):
return ("", "OFMessage", "T extends OFStatsReply")
elif re.match(r'OF.+StatsRequest$', self.name):
return ("", "OFStatsRequest<{}>".format(re.sub(r'Request$', 'Reply', self.name)), None)
elif re.match(r'OF.+StatsReply$', self.name):
return ("", "OFStatsReply", None)
elif re.match(r'OF.+ErrorMsg$', self.name):
return ("", "OFErrorMsg", None)
elif re.match(r'OFFlow(Add|Modify(Strict)?|Delete(Strict)?)$', self.name):
return ("", "OFFlowMod", None)
elif loxi_utils.class_is_message(self.c_name) and re.match(r'OFBsn.+$', self.name) and self.name != "OFBsnHeader":
return ("", "OFBsnHeader", None)
elif loxi_utils.class_is_message(self.c_name) and re.match(r'OFNicira.+$', self.name) and self.name != "OFNiciraHeader":
return ("", "OFNiciraHeader", None)
elif self.name == "OFBsnHeader" or self.name =="OFNiciraHeader":
return ("", "OFExperimenter", None)
elif re.match(r'OFMatch.*', self.name):
return ("", "Match", None)
elif loxi_utils.class_is_message(self.c_name):
return ("", "OFMessage", None)
elif loxi_utils.class_is_action(self.c_name):
if re.match(r'OFActionBsn.+', self.name):
return ("action", "OFActionBsn", None)
elif re.match(r'OFActionNicira.+', self.name):
return ("action", "OFActionNicira", None)
elif self.name == "OFActionBsn" or self.name == "OFActionNicira":
return ("action", "OFActionExperimenter", None)
else:
return ("action", "OFAction", None)
elif re.match(r'OFBsnVport.+$', self.name):
return ("", "OFBsnVport", None)
elif self.name == "OFOxm":
return ("oxm", None, "T extends OFValueType<T>")
elif loxi_utils.class_is_oxm(self.c_name):
if self.name in model.oxm_map:
return ("oxm", "OFOxm<%s>" % model.oxm_map[self.name].type_name, None)
else:
return ("oxm", "OFOxm", None)
elif loxi_utils.class_is_instruction(self.c_name):
return ("instruction", "OFInstruction", None)
elif loxi_utils.class_is_meter_band(self.c_name):
return ("meterband", "OFMeterBand", None)
elif loxi_utils.class_is_queue_prop(self.c_name):
return ("queueprop", "OFQueueProp", None)
elif loxi_utils.class_is_hello_elem(self.c_name):
return ("", "OFHelloElem", None)
elif loxi_utils.class_is_table_feature_prop(self.c_name):
return ("", "OFTableFeatureProp", None)
else:
return ("", None, None)
def generate_pyname(cls):
if utils.class_is_action(cls):
return cls[10:]
elif utils.class_is_oxm(cls):
return cls[7:]
elif utils.class_is_meter_band(cls):
return cls[14:]
elif utils.class_is_instruction(cls):
return cls[15:]
else:
return cls[3:]
def generate_pyname(cls):
if utils.class_is_action(cls):
return cls[10:]
elif utils.class_is_oxm(cls):
return cls[7:]
elif utils.class_is_meter_band(cls):
return cls[14:]
elif utils.class_is_instruction(cls):
return cls[15:]
else:
return cls[3:]
def generate_common(out, name, version):
ofclasses = [
x for x in build_ofclasses(version)
if not utils.class_is_message(x.name) and not utils.class_is_action(
x.name) and not utils.class_is_instruction(x.name)
and not utils.class_is_meter_band(x.name)
and not utils.class_is_oxm(x.name) and not utils.class_is_list(x.name)
]
util.render_template(out,
'common.py',
ofclasses=ofclasses,
version=version)
def get_type_values(cls, version):
"""
Returns a map from the name of the type member to its value.
"""
type_values = {}
# Primary wire type
if utils.class_is_message(cls):
type_values['version'] = 'const.OFP_VERSION'
type_values['type'] = util.constant_for_value(version, "ofp_type", util.primary_wire_type(cls, version))
if cls in type_maps.flow_mod_list:
type_values['_command'] = util.constant_for_value(version, "ofp_flow_mod_command",
type_maps.flow_mod_types[version][cls[8:]])
if cls in type_maps.stats_request_list:
type_values['stats_type'] = util.constant_for_value(version, "ofp_stats_types",
type_maps.stats_types[version][cls[3:-14]])
if cls in type_maps.stats_reply_list:
type_values['stats_type'] = util.constant_for_value(version, "ofp_stats_types",
type_maps.stats_types[version][cls[3:-12]])
if type_maps.message_is_extension(cls, version):
type_values['experimenter'] = '%#x' % type_maps.extension_to_experimenter_id(cls)
type_values['subtype'] = type_maps.extension_message_to_subtype(cls, version)
elif utils.class_is_action(cls):
type_values['type'] = util.constant_for_value(version, "ofp_action_type", util.primary_wire_type(cls, version))
if type_maps.action_is_extension(cls, version):
type_values['experimenter'] = '%#x' % type_maps.extension_to_experimenter_id(cls)
type_values['subtype'] = type_maps.extension_action_to_subtype(cls, version)
elif utils.class_is_queue_prop(cls):
type_values['type'] = util.constant_for_value(version, "ofp_queue_properties", util.primary_wire_type(cls, version))
elif utils.class_is_hello_elem(cls):
type_values['type'] = util.constant_for_value(version, "ofp_hello_elem_type", util.primary_wire_type(cls, version))
elif utils.class_is_oxm(cls):
oxm_class = 0x8000
oxm_type = util.primary_wire_type(cls, version)
oxm_masked = cls.find('masked') != -1 and 1 or 0
oxm_len = of_g.base_length[(cls, version)] - 4
type_values['type_len'] = '%#x' % (oxm_class << 16 | oxm_type << 8 | \
oxm_masked << 8 | oxm_len)
elif cls == "of_match_v2":
type_values['type'] = 0
elif cls == "of_match_v3":
type_values['type'] = 1
elif utils.class_is_meter_band(cls):
type_values['type'] = util.constant_for_value(version, "ofp_meter_band_type", util.primary_wire_type(cls, version))
elif utils.class_is_instruction(cls):
type_values['type'] = util.constant_for_value(version, "ofp_instruction_type", util.primary_wire_type(cls, version))
return type_values
def generate_meter_band(out, name, version):
ofclasses = [x for x in build_ofclasses(version)
if utils.class_is_meter_band(x.name)]
util.render_template(out, 'meter_band.py', ofclasses=ofclasses, version=version)
def build_ofclasses(version):
blacklist = ["of_action", "of_action_header", "of_header", "of_queue_prop",
"of_queue_prop_header", "of_experimenter", "of_action_experimenter",
"of_oxm", "of_oxm_header", "of_oxm_experimenter_header",
"of_hello_elem", "of_hello_elem_header"]
ofclasses = []
for cls in of_g.standard_class_order:
if type_maps.class_is_virtual(cls):
continue
if version not in of_g.unified[cls] or cls in blacklist:
continue
unified_class = util.lookup_unified_class(cls, version)
# Name for the generated Python class
if utils.class_is_action(cls):
pyname = cls[10:]
elif utils.class_is_oxm(cls):
pyname = cls[7:]
elif utils.class_is_meter_band(cls):
pyname = cls[14:]
elif utils.class_is_instruction(cls):
pyname = cls[15:]
else:
pyname = cls[3:]
type_values = get_type_values(cls, version)
members = []
type_members = []
pad_count = 0
for member in unified_class['members']:
if member['name'] in ['length', 'len']:
members.append(LengthMember(name=member['name'],
oftype=oftype.OFType(member['m_type'], version)))
elif (cls, version, member['name']) in field_length_members:
field_name = field_length_members[(cls, version, member['name'])]
members.append(FieldLengthMember(name=member['name'],
oftype=oftype.OFType(member['m_type'], version),
field_name=field_name))
elif member['name'] in type_values:
members.append(TypeMember(name=member['name'],
oftype=oftype.OFType(member['m_type'], version),
value=type_values[member['name']]))
type_members.append(members[-1])
elif member['name'].startswith("pad"):
# HACK this should be moved to the frontend
pad_oftype = oftype.OFType(member['m_type'], version)
length = struct.calcsize("!" + pad_oftype._pack_fmt())
if pad_oftype.is_array: length *= pad_oftype.array_length
members.append(PadMember(length=length))
else:
members.append(Member(name=member['name'],
oftype=oftype.OFType(member['m_type'], version)))
ofclasses.append(
OFClass(name=cls,
pyname=pyname,
members=members,
type_members=type_members,
min_length=of_g.base_length[(cls, version)],
is_fixed_length=(cls, version) in of_g.is_fixed_length))
return ofclasses
def class_info(self):
""" return tuple of (package_prefix, parent_class) for the current JavaOFInterface"""
# FIXME: This duplicates inheritance information that is now available in the loxi_ir
# model (note, that the loxi model is on versioned classes). Should check/infer the
# inheritance information from the versioned lox_ir classes.
if re.match(r'OFStatsRequest$', self.name):
return ("", "OFMessage", "T extends OFStatsReply")
elif self.ir_class.is_subclassof('of_stats_request'):
if self.ir_class.is_subclassof('of_bsn_stats_request'):
return ("", "OFBsnStatsRequest", None)
elif self.ir_class.is_subclassof('of_experimenter_stats_request'):
return ("", "OFExperimenterStatsRequest", None)
else:
return ("", "OFStatsRequest<{}>".format(re.sub(r'Request$', 'Reply', self.name)), None)
elif self.ir_class.is_subclassof('of_stats_reply'):
if self.ir_class.is_subclassof('of_bsn_stats_reply'):
return ("", "OFBsnStatsReply", None)
elif self.ir_class.is_subclassof('of_experimenter_stats_reply'):
return ("", "OFExperimenterStatsReply", None)
else:
return ("", "OFStatsReply", None)
elif self.ir_class.is_subclassof('of_error_msg'):
return ("errormsg", "OFErrorMsg", None)
elif self.ir_class.is_subclassof('of_flow_mod'):
return ("", "OFFlowMod", None)
elif self.ir_class.is_subclassof('of_group_mod'):
return ("", "OFGroupMod", None)
elif self.ir_class.is_subclassof('of_bsn_header'):
return ("", "OFBsnHeader", None)
elif self.ir_class.is_subclassof('of_nicira_header'):
return ("", "OFNiciraHeader", None)
elif self.ir_class.is_subclassof('of_experimenter'):
return ("", "OFExperimenter", None)
elif re.match(r'OFMatch.*', self.name):
return ("", "Match", None)
elif self.ir_class.is_message:
return ("", "OFMessage", None)
elif self.ir_class.is_action:
if self.ir_class.is_subclassof('of_action_bsn'):
return ("action", "OFActionBsn", None)
elif self.ir_class.is_subclassof('of_action_nicira'):
return ("action", "OFActionNicira", None)
elif self.ir_class.is_subclassof('of_action_experimenter'):
return ("action", "OFActionExperimenter", None)
else:
return ("action", "OFAction", None)
elif self.ir_class.is_instanceof("of_action_id"):
if self.ir_class.is_subclassof('of_action_id_bsn'):
return ("actionid", "OFActionIdBsn", None)
elif self.ir_class.is_subclassof('of_action_id_nicira'):
return ("actionid", "OFActionIdNicira", None)
elif self.ir_class.is_subclassof('of_action_id_experimenter'):
return ("actionid", "OFActionIdExperimenter", None)
else:
return ("actionid", "OFActionId", None)
elif self.ir_class.is_instruction:
if self.ir_class.is_subclassof('of_instruction_bsn'):
return ("instruction", "OFInstructionBsn", None)
elif self.ir_class.is_subclassof('of_instruction_experimenter'):
return ("instruction", "OFInstructionExperimenter", None)
else:
return ("instruction", "OFInstruction", None)
elif self.ir_class.is_instanceof('of_instruction_id'):
if self.ir_class.is_subclassof('of_instruction_id_bsn'):
return ("instructionid", "OFInstructionIdBsn", None)
elif self.ir_class.is_subclassof('of_instruction_id_experimenter'):
return ("instructionid", "OFInstructionIdExperimenter", None)
else:
return ("instructionid", "OFInstructionId", None)
elif re.match(r'OFBsnVport.+$', self.name):
return ("", "OFBsnVport", None)
elif self.name == "OFOxm":
return ("oxm", None, "T extends OFValueType<T>")
elif loxi_utils.class_is_oxm(self.c_name):
if self.member_by_name("value") is not None:
return ("oxm", "OFOxm<%s>" % self.member_by_name("value").java_type.public_type, None)
else:
return ("oxm", "OFOxm", None)
elif loxi_utils.class_is_instruction(self.c_name):
return ("instruction", "OFInstruction", None)
elif loxi_utils.class_is_meter_band(self.c_name):
return ("meterband", "OFMeterBand", None)
elif loxi_utils.class_is_queue_prop(self.c_name):
return ("queueprop", "OFQueueProp", None)
elif loxi_utils.class_is_hello_elem(self.c_name):
return ("", "OFHelloElem", None)
elif loxi_utils.class_is_table_feature_prop(self.c_name):
return ("", "OFTableFeatureProp", None)
elif loxi_utils.class_is_bsn_tlv(self.c_name):
return ("bsntlv", "OFBsnTlv", None)
else:
return ("", None, None)
