def populate_type_maps():
"""
Use the type members in the IR to fill out the legacy type_maps.
"""
type_maps.generate_maps()
def populate_type_maps():
"""
Use the type members in the IR to fill out the legacy type_maps.
"""
def split_inherited_cls(cls):
if cls == 'of_meter_band_stats': # HACK not a subtype of of_meter_band
return None, None
for parent in sorted(type_maps.inheritance_data.keys(), reverse=True):
if cls.startswith(parent):
return (parent, cls[len(parent)+1:])
return None, None
def find_experimenter(parent, cls):
for experimenter in sorted(of_g.experimenter_name_to_id.keys(), reverse=True):
prefix = parent + '_' + experimenter
if cls.startswith(prefix) and cls != prefix:
return experimenter
return None
def find_type_value(ofclass, m_name):
for m in ofclass.members:
if isinstance(m, OFTypeMember) and m.name == m_name:
return m.value
raise KeyError("ver=%d, cls=%s, m_name=%s" % (wire_version, cls, m_name))
# Most inheritance classes: actions, instructions, etc
for version, protocol in loxi_globals.ir.items():
wire_version = version.wire_version
for ofclass in protocol.classes:
cls = ofclass.name
parent, subcls = split_inherited_cls(cls)
if not (parent and subcls):
continue
if parent == 'of_oxm':
type_len = find_type_value(ofclass, 'type_len')
oxm_class = (type_len >> 16) & 0xffff
if oxm_class != 0x8000:
# Do not include experimenter OXMs in the main table
val = type_maps.invalid_type
else:
val = (type_len >> 8) & 0xff
else:
val = find_type_value(ofclass, 'type')
type_maps.inheritance_data[parent][wire_version][subcls] = val
# Extensions (only actions for now)
experimenter = find_experimenter(parent, cls)
if parent == 'of_action' and experimenter:
val = find_type_value(ofclass, 'subtype')
type_maps.extension_action_subtype[wire_version][experimenter][cls] = val
if wire_version >= of_g.VERSION_1_3:
cls2 = parent + "_id" + cls[len(parent):]
type_maps.extension_action_id_subtype[wire_version][experimenter][cls2] = val
elif parent == 'of_instruction' and experimenter:
val = find_type_value(ofclass, 'subtype')
type_maps.extension_instruction_subtype[wire_version][experimenter][cls] = val
# Messages
for version, protocol in loxi_globals.ir.items():
wire_version = version.wire_version
for ofclass in protocol.classes:
cls = ofclass.name
# HACK (though this is what loxi_utils.class_is_message() does)
if not [x for x in ofclass.members if isinstance(x, OFDataMember) and x.name == 'xid']:
continue
if type_maps.class_is_virtual(cls):
continue
subcls = cls[3:]
val = find_type_value(ofclass, 'type')
if not val in type_maps.message_types[wire_version].values():
type_maps.message_types[wire_version][subcls] = val
# Extensions
experimenter = find_experimenter('of', cls)
if experimenter and ofclass.is_subclassof("of_experimenter"):
val = find_type_value(ofclass, 'subtype')
type_maps.extension_message_subtype[wire_version][experimenter][cls] = val
type_maps.generate_maps()
def populate_type_maps():
"""
Use the type members in the IR to fill out the legacy type_maps.
"""
type_maps.generate_maps()
def populate_type_maps():
"""
Use the type members in the IR to fill out the legacy type_maps.
"""
def split_inherited_cls(cls):
if cls == 'of_meter_band_stats': # HACK not a subtype of of_meter_band
return None, None
for parent in sorted(type_maps.inheritance_data.keys(), reverse=True):
if cls.startswith(parent):
return (parent, cls[len(parent) + 1:])
return None, None
def find_experimenter(parent, cls):
for experimenter in sorted(of_g.experimenter_name_to_id.keys(),
reverse=True):
prefix = parent + '_' + experimenter
if cls.startswith(prefix) and cls != prefix:
return experimenter
return None
def find_type_value(ofclass, m_name):
for m in ofclass.members:
if isinstance(m, OFTypeMember) and m.name == m_name:
return m.value
raise KeyError("ver=%d, cls=%s, m_name=%s" %
(wire_version, cls, m_name))
# Most inheritance classes: actions, instructions, etc
for version, protocol in loxi_globals.ir.items():
wire_version = version.wire_version
for ofclass in protocol.classes:
cls = ofclass.name
parent, subcls = split_inherited_cls(cls)
if not (parent and subcls):
continue
if parent == 'of_oxm':
type_len = find_type_value(ofclass, 'type_len')
oxm_class = (type_len >> 16) & 0xffff
if oxm_class != 0x8000:
# Do not include experimenter OXMs in the main table
val = type_maps.invalid_type
else:
val = (type_len >> 8) & 0xff
else:
val = find_type_value(ofclass, 'type')
type_maps.inheritance_data[parent][wire_version][subcls] = val
# Extensions (only actions for now)
experimenter = find_experimenter(parent, cls)
if parent == 'of_action' and experimenter:
val = find_type_value(ofclass, 'subtype')
type_maps.extension_action_subtype[wire_version][experimenter][
cls] = val
if wire_version >= of_g.VERSION_1_3:
cls2 = parent + "_id" + cls[len(parent):]
type_maps.extension_action_id_subtype[wire_version][
experimenter][cls2] = val
elif parent == 'of_instruction' and experimenter:
val = find_type_value(ofclass, 'subtype')
type_maps.extension_instruction_subtype[wire_version][
experimenter][cls] = val
# Messages
for version, protocol in loxi_globals.ir.items():
wire_version = version.wire_version
for ofclass in protocol.classes:
cls = ofclass.name
# HACK (though this is what loxi_utils.class_is_message() does)
if not [
x for x in ofclass.members
if isinstance(x, OFDataMember) and x.name == 'xid'
]:
continue
if type_maps.class_is_virtual(cls):
continue
subcls = cls[3:]
val = find_type_value(ofclass, 'type')
if not val in type_maps.message_types[wire_version].values():
type_maps.message_types[wire_version][subcls] = val
# Extensions
experimenter = find_experimenter('of', cls)
if experimenter and ofclass.is_subclassof("of_experimenter"):
val = find_type_value(ofclass, 'subtype')
type_maps.extension_message_subtype[wire_version][
experimenter][cls] = val
type_maps.generate_maps()
