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))
return type_values
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 primary_wire_type(cls, version):
if cls in type_maps.stats_reply_list:
return type_maps.type_val[("of_stats_reply", version)]
elif cls in type_maps.stats_request_list:
return type_maps.type_val[("of_stats_request", version)]
elif cls in type_maps.flow_mod_list:
return type_maps.type_val[("of_flow_mod", version)]
elif (cls, version) in type_maps.type_val:
return type_maps.type_val[(cls, version)]
elif type_maps.message_is_extension(cls, version):
return type_maps.type_val[("of_experimenter", version)]
elif type_maps.action_is_extension(cls, version):
return type_maps.type_val[("of_action_experimenter", version)]
elif type_maps.action_id_is_extension(cls, version):
return type_maps.type_val[("of_action_id_experimenter", version)]
elif type_maps.instruction_is_extension(cls, version):
return type_maps.type_val[("of_instruction_experimenter", version)]
elif type_maps.queue_prop_is_extension(cls, version):
return type_maps.type_val[("of_queue_prop_experimenter", version)]
elif type_maps.table_feature_prop_is_extension(cls, version):
return type_maps.type_val[("of_table_feature_prop_experimenter", version)]
else:
raise ValueError
def primary_wire_type(cls, version):
if cls in type_maps.stats_reply_list:
return type_maps.type_val[("of_stats_reply", version)]
elif cls in type_maps.stats_request_list:
return type_maps.type_val[("of_stats_request", version)]
elif cls in type_maps.flow_mod_list:
return type_maps.type_val[("of_flow_mod", version)]
elif (cls, version) in type_maps.type_val:
return type_maps.type_val[(cls, version)]
elif type_maps.message_is_extension(cls, version):
return type_maps.type_val[("of_experimenter", version)]
elif type_maps.action_is_extension(cls, version):
return type_maps.type_val[("of_action_experimenter", version)]
elif type_maps.action_id_is_extension(cls, version):
return type_maps.type_val[("of_action_id_experimenter", version)]
elif type_maps.instruction_is_extension(cls, version):
return type_maps.type_val[("of_instruction_experimenter", version)]
elif type_maps.queue_prop_is_extension(cls, version):
return type_maps.type_val[("of_queue_prop_experimenter", version)]
elif type_maps.table_feature_prop_is_extension(cls, version):
return type_maps.type_val[("of_table_feature_prop_experimenter",
version)]
else:
raise ValueError
def is_extension(self):
return type_maps.message_is_extension(self.c_name, -1)
def gen_object_id_to_type(out):
out.write("""
/**
* Map from object ID to primary wire type
*
* For messages, this is the header type; in particular for stats, this is
* the common stats request/response type. For per-stats types, use the
* stats type map. For things like actions, instructions or queue-props,
* this gives the "sub type".
*/
""")
for version in of_g.of_version_range:
out.write("static const int\nof_object_to_type_map_v%d[OF_OBJECT_COUNT] = {\n"
%version)
out.write(" -1, /* of_object, not a valid specific type */\n")
for j, cls in enumerate(of_g.all_class_order):
comma = ""
if j < len(of_g.all_class_order) - 1: # Avoid ultimate comma
comma = ","
if cls in type_maps.stats_reply_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_stats_reply", version)],
comma, cls))
elif cls in type_maps.stats_request_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_stats_request", version)],
comma, cls))
elif cls in type_maps.flow_mod_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_flow_mod", version)],
comma, cls))
elif (cls, version) in type_maps.type_val:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[(cls, version)], comma, cls))
elif type_maps.message_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_experimenter", version)],
comma, cls))
elif type_maps.action_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_action_experimenter",
version)],
comma, cls))
elif type_maps.action_id_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_action_id_experimenter",
version)],
comma, cls))
elif type_maps.instruction_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_instruction_experimenter",
version)],
comma, cls))
elif type_maps.queue_prop_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_queue_prop_experimenter",
version)],
comma, cls))
elif type_maps.table_feature_prop_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_table_feature_prop_experimenter",
version)],
comma, cls))
else:
out.write(" -1%s /* %s (invalid) */\n" % (comma, cls))
out.write("};\n\n")
out.write("""
/**
* Unified map, indexed by wire version which is 1-based.
*/
const int *const of_object_to_type_map[OF_VERSION_ARRAY_MAX] = {
NULL,
""")
for version in of_g.of_version_range:
out.write(" of_object_to_type_map_v%d,\n" % version)
out.write("""
};
""")
def gen_object_id_to_type(out):
out.write("""
/**
* Map from object ID to primary wire type
*
* For messages, this is the header type; in particular for stats, this is
* the common stats request/response type. For per-stats types, use the
* stats type map. For things like actions, instructions or queue-props,
* this gives the "sub type".
*/
""")
for version in of_g.of_version_range:
out.write(
"static const int\nof_object_to_type_map_v%d[OF_OBJECT_COUNT] = {\n"
% version)
out.write(" -1, /* of_object, not a valid specific type */\n")
for j, cls in enumerate(of_g.all_class_order):
comma = ""
if j < len(of_g.all_class_order) - 1: # Avoid ultimate comma
comma = ","
if cls in type_maps.stats_reply_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_stats_reply", version)],
comma, cls))
elif cls in type_maps.stats_request_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_stats_request", version)],
comma, cls))
elif cls in type_maps.error_msg_list:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_error_msg", version)],
comma, cls))
elif cls in type_maps.flow_mod_list:
out.write(
" %d%s /* %s */\n" %
(type_maps.type_val[("of_flow_mod", version)], comma, cls))
elif (cls, version) in type_maps.type_val:
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[(cls, version)], comma, cls))
elif type_maps.message_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_experimenter", version)],
comma, cls))
elif type_maps.action_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_action_experimenter",
version)], comma, cls))
elif type_maps.action_id_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_action_id_experimenter",
version)], comma, cls))
elif type_maps.instruction_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_instruction_experimenter",
version)], comma, cls))
elif type_maps.queue_prop_is_extension(cls, version):
out.write(" %d%s /* %s */\n" %
(type_maps.type_val[("of_queue_prop_experimenter",
version)], comma, cls))
elif type_maps.table_feature_prop_is_extension(cls, version):
out.write(
" %d%s /* %s */\n" %
(type_maps.type_val[("of_table_feature_prop_experimenter",
version)], comma, cls))
else:
out.write(" -1%s /* %s (invalid) */\n" % (comma, cls))
out.write("};\n\n")
out.write("""
/**
* Unified map, indexed by wire version which is 1-based.
*/
const int *const of_object_to_type_map[OF_VERSION_ARRAY_MAX] = {
NULL,
""")
for version in of_g.of_version_range:
out.write(" of_object_to_type_map_v%d,\n" % version)
out.write("""
};
""")
