diff options
Diffstat (limited to 'tools/net/ynl/pyynl/lib/ynl.py')
| -rw-r--r-- | tools/net/ynl/pyynl/lib/ynl.py | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/tools/net/ynl/pyynl/lib/ynl.py b/tools/net/ynl/pyynl/lib/ynl.py index 8244a5f440b2..62383c70ebb9 100644 --- a/tools/net/ynl/pyynl/lib/ynl.py +++ b/tools/net/ynl/pyynl/lib/ynl.py @@ -9,7 +9,6 @@ import socket import struct from struct import Struct import sys -import yaml import ipaddress import uuid import queue @@ -562,11 +561,13 @@ class YnlFamily(SpecFamily): if attr["type"] == 'nest': nl_type |= Netlink.NLA_F_NESTED - attr_payload = b'' sub_space = attr['nested-attributes'] - sub_attrs = SpaceAttrs(self.attr_sets[sub_space], value, search_attrs) - for subname, subvalue in value.items(): - attr_payload += self._add_attr(sub_space, subname, subvalue, sub_attrs) + attr_payload = self._add_nest_attrs(value, sub_space, search_attrs) + elif attr['type'] == 'indexed-array' and attr['sub-type'] == 'nest': + nl_type |= Netlink.NLA_F_NESTED + sub_space = attr['nested-attributes'] + attr_payload = self._encode_indexed_array(value, sub_space, + search_attrs) elif attr["type"] == 'flag': if not value: # If value is absent or false then skip attribute creation. @@ -620,9 +621,28 @@ class YnlFamily(SpecFamily): else: raise Exception(f'Unknown type at {space} {name} {value} {attr["type"]}') + return self._add_attr_raw(nl_type, attr_payload) + + def _add_attr_raw(self, nl_type, attr_payload): pad = b'\x00' * ((4 - len(attr_payload) % 4) % 4) return struct.pack('HH', len(attr_payload) + 4, nl_type) + attr_payload + pad + def _add_nest_attrs(self, value, sub_space, search_attrs): + sub_attrs = SpaceAttrs(self.attr_sets[sub_space], value, search_attrs) + attr_payload = b'' + for subname, subvalue in value.items(): + attr_payload += self._add_attr(sub_space, subname, subvalue, + sub_attrs) + return attr_payload + + def _encode_indexed_array(self, vals, sub_space, search_attrs): + attr_payload = b'' + for i, val in enumerate(vals): + idx = i | Netlink.NLA_F_NESTED + val_payload = self._add_nest_attrs(val, sub_space, search_attrs) + attr_payload += self._add_attr_raw(idx, val_payload) + return attr_payload + def _get_enum_or_unknown(self, enum, raw): try: name = enum.entries_by_val[raw].name @@ -706,7 +726,7 @@ class YnlFamily(SpecFamily): return attr.as_bin() def _rsp_add(self, rsp, name, is_multi, decoded): - if is_multi == None: + if is_multi is None: if name in rsp and type(rsp[name]) is not list: rsp[name] = [rsp[name]] is_multi = True @@ -739,14 +759,14 @@ class YnlFamily(SpecFamily): decoded = {} offset = 0 if msg_format.fixed_header: - decoded.update(self._decode_struct(attr.raw, msg_format.fixed_header)); + decoded.update(self._decode_struct(attr.raw, msg_format.fixed_header)) offset = self._struct_size(msg_format.fixed_header) if msg_format.attr_set: if msg_format.attr_set in self.attr_sets: subdict = self._decode(NlAttrs(attr.raw, offset), msg_format.attr_set) decoded.update(subdict) else: - raise Exception(f"Unknown attribute-set '{attr_space}' when decoding '{attr_spec.name}'") + raise Exception(f"Unknown attribute-set '{msg_format.attr_set}' when decoding '{attr_spec.name}'") return decoded def _decode(self, attrs, space, outer_attrs = None): @@ -936,7 +956,7 @@ class YnlFamily(SpecFamily): formatted = hex(raw) else: formatted = bytes.hex(raw, ' ') - elif display_hint in [ 'ipv4', 'ipv6' ]: + elif display_hint in [ 'ipv4', 'ipv6', 'ipv4-or-v6' ]: formatted = format(ipaddress.ip_address(raw)) elif display_hint == 'uuid': formatted = str(uuid.UUID(bytes=raw)) @@ -945,12 +965,17 @@ class YnlFamily(SpecFamily): return formatted def _from_string(self, string, attr_spec): - if attr_spec.display_hint in ['ipv4', 'ipv6']: + if attr_spec.display_hint in ['ipv4', 'ipv6', 'ipv4-or-v6']: ip = ipaddress.ip_address(string) if attr_spec['type'] == 'binary': raw = ip.packed else: raw = int(ip) + elif attr_spec.display_hint == 'hex': + if attr_spec['type'] == 'binary': + raw = bytes.fromhex(string) + else: + raw = int(string, 16) else: raise Exception(f"Display hint '{attr_spec.display_hint}' not implemented" f" when parsing '{attr_spec['name']}'") |