diff options
Diffstat (limited to 'tools/net/ynl/lib/nlspec.py')
| -rw-r--r-- | tools/net/ynl/lib/nlspec.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py index 92889298b197..44f13e383e8a 100644 --- a/tools/net/ynl/lib/nlspec.py +++ b/tools/net/ynl/lib/nlspec.py @@ -158,6 +158,9 @@ class SpecAttr(SpecElement): len integer, optional byte length of binary types display_hint string, hint to help choose format specifier when displaying the value + sub_message string, name of sub message type + selector string, name of attribute used to select + sub-message type is_auto_scalar bool, attr is a variable-size scalar """ @@ -173,6 +176,8 @@ class SpecAttr(SpecElement): self.byte_order = yaml.get('byte-order') self.len = yaml.get('len') self.display_hint = yaml.get('display-hint') + self.sub_message = yaml.get('sub-message') + self.selector = yaml.get('selector') self.is_auto_scalar = self.type == "sint" or self.type == "uint" @@ -278,6 +283,47 @@ class SpecStruct(SpecElement): return self.members.items() +class SpecSubMessage(SpecElement): + """ Netlink sub-message definition + + Represents a set of sub-message formats for polymorphic nlattrs + that contain type-specific sub messages. + + Attributes: + name string, name of sub-message definition + formats dict of sub-message formats indexed by match value + """ + def __init__(self, family, yaml): + super().__init__(family, yaml) + + self.formats = collections.OrderedDict() + for elem in self.yaml['formats']: + format = self.new_format(family, elem) + self.formats[format.value] = format + + def new_format(self, family, format): + return SpecSubMessageFormat(family, format) + + +class SpecSubMessageFormat(SpecElement): + """ Netlink sub-message definition + + Represents a set of sub-message formats for polymorphic nlattrs + that contain type-specific sub messages. + + Attributes: + value attribute value to match against type selector + fixed_header string, name of fixed header, or None + attr_set string, name of attribute set, or None + """ + def __init__(self, family, yaml): + super().__init__(family, yaml) + + self.value = yaml.get('value') + self.fixed_header = yaml.get('fixed-header') + self.attr_set = yaml.get('attribute-set') + + class SpecOperation(SpecElement): """Netlink Operation @@ -365,6 +411,7 @@ class SpecFamily(SpecElement): attr_sets dict of attribute sets msgs dict of all messages (index by name) + sub_msgs dict of all sub messages (index by name) ops dict of all valid requests / responses ntfs dict of all async events consts dict of all constants/enums @@ -405,6 +452,7 @@ class SpecFamily(SpecElement): jsonschema.validate(self.yaml, schema) self.attr_sets = collections.OrderedDict() + self.sub_msgs = collections.OrderedDict() self.msgs = collections.OrderedDict() self.req_by_value = collections.OrderedDict() self.rsp_by_value = collections.OrderedDict() @@ -441,6 +489,9 @@ class SpecFamily(SpecElement): def new_struct(self, elem): return SpecStruct(self, elem) + def new_sub_message(self, elem): + return SpecSubMessage(self, elem); + def new_operation(self, elem, req_val, rsp_val): return SpecOperation(self, elem, req_val, rsp_val) @@ -529,6 +580,10 @@ class SpecFamily(SpecElement): attr_set = self.new_attr_set(elem) self.attr_sets[elem['name']] = attr_set + for elem in self.yaml.get('sub-messages', []): + sub_message = self.new_sub_message(elem) + self.sub_msgs[sub_message.name] = sub_message + if self.msg_id_model == 'unified': self._dictify_ops_unified() elif self.msg_id_model == 'directional': |