def analyze_input():
"""
Add information computed from the input, including offsets and
lengths of struct members and the set of list and action_id types.
"""
# Generate action_id classes for OF 1.3
for wire_version, ordered_classes in of_g.ordered_classes.items():
if not wire_version in [of_g.VERSION_1_3]:
continue
classes = versions[of_g.of_version_wire2name[wire_version]]['classes']
for cls in ordered_classes:
if not loxi_utils.class_is_action(cls):
continue
action = cls[10:]
if action == '' or action == 'header':
continue
name = "of_action_id_" + action
members = classes["of_action"][:]
of_g.ordered_classes[wire_version].append(name)
if type_maps.action_id_is_extension(name, wire_version):
# Copy the base action classes thru subtype
members = classes["of_action_" + action][:4]
classes[name] = members
# @fixme If we support extended actions in OF 1.3, need to add IDs
# for them here
for wire_version in of_g.wire_ver_map.keys():
version_name = of_g.of_version_wire2name[wire_version]
calculate_offsets_and_lengths(of_g.ordered_classes[wire_version],
versions[version_name]['classes'],
wire_version)
def analyze_input():
"""
Add information computed from the input, including offsets and
lengths of struct members and the set of list and action_id types.
"""
# Generate action_id classes for OF 1.3
for wire_version, ordered_classes in of_g.ordered_classes.items():
if not wire_version in [of_g.VERSION_1_3]:
continue
classes = versions[of_g.of_version_wire2name[wire_version]]['classes']
for cls in ordered_classes:
if not loxi_utils.class_is_action(cls):
continue
action = cls[10:]
if action == '' or action == 'header':
continue
name = "of_action_id_" + action
members = classes["of_action"][:]
of_g.ordered_classes[wire_version].append(name)
if type_maps.action_id_is_extension(name, wire_version):
# Copy the base action classes thru subtype
members = classes["of_action_" + action][:4]
classes[name] = members
# @fixme If we support extended actions in OF 1.3, need to add IDs
# for them here
for wire_version in of_g.wire_ver_map.keys():
version_name = of_g.of_version_wire2name[wire_version]
calculate_offsets_and_lengths(
of_g.ordered_classes[wire_version],
versions[version_name]['classes'],
wire_version)
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 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("""
};
""")
