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authorOle Troan <ot@cisco.com>2019-10-22 14:01:53 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2020-08-07 21:45:43 +0000
commit3584f0936c81df663c1cd5171d5d2c277da8bf78 (patch)
tree0ef1cae7bcffe8dce3d835c0d97c065d5ddd9b29 /src/vpp-api
parent48ec77e84ec4ed0ff38c0c772084381be4d960af (diff)
papi: fix default handling
The BaseTypers object were reused, so a default for anyother mesage would be inherited in new messages. Type: fix Fixes: 85465588b18fef9c4712f864f512e00741e2d4f2 Change-Id: Ie1efb85a76b088653eb9ea4b88540c98b6b0aad0 Signed-off-by: Ole Troan <ot@cisco.com> (cherry picked from commit 40dc4b35e3d946efbc5c2b8b0af5e52d67b7fe6c)
Diffstat (limited to 'src/vpp-api')
-rwxr-xr-xsrc/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py31
-rw-r--r--src/vpp-api/python/vpp_papi/vpp_serializer.py56
2 files changed, 51 insertions, 36 deletions
diff --git a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
index 9ac3e78224c..5221034da6c 100755
--- a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
@@ -66,14 +66,43 @@ class TestDefaults(unittest.TestCase):
def test_defaults(self):
default_type = VPPType('default_type_t',
[['u16', 'mtu', {'default': 1500, 'limit': 0}]])
+ without_default_type = VPPType('without_default_type_t',
+ [['u16', 'mtu']])
b = default_type.pack({})
self.assertEqual(len(b), 2)
-
nt, size = default_type.unpack(b)
self.assertEqual(len(b), size)
self.assertEqual(nt.mtu, 1500)
+ # distinguish between parameter 0 and parameter not passed
+ b = default_type.pack({'mtu': 0})
+ self.assertEqual(len(b), 2)
+ nt, size = default_type.unpack(b)
+ self.assertEqual(len(b), size)
+ self.assertEqual(nt.mtu, 0)
+
+ # Ensure that basetypes does not inherit default
+ b = without_default_type.pack({})
+ self.assertEqual(len(b), 2)
+ nt, size = default_type.unpack(b)
+ self.assertEqual(len(b), size)
+ self.assertEqual(nt.mtu, 0)
+
+ # default enum type
+ VPPEnumType('vl_api_enum_t', [["ADDRESS_IP4", 0],
+ ["ADDRESS_IP6", 1],
+ {"enumtype": "u32"}])
+
+ default_with_enum = VPPType('default_enum_type_t',
+ [['u16', 'mtu'], ['vl_api_enum_t',
+ 'e', {'default': 1}]])
+
+ b = default_with_enum.pack({})
+ self.assertEqual(len(b), 6)
+ nt, size = default_with_enum.unpack(b)
+ self.assertEqual(len(b), size)
+ self.assertEqual(nt.e, 1)
class TestAddType(unittest.TestCase):
diff --git a/src/vpp-api/python/vpp_papi/vpp_serializer.py b/src/vpp-api/python/vpp_papi/vpp_serializer.py
index 00ed8632916..be5c74c150a 100644
--- a/src/vpp-api/python/vpp_papi/vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/vpp_serializer.py
@@ -88,12 +88,8 @@ class BaseTypes(object):
self.size = self.packer.size
self.options = options
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, data, kwargs=None):
- if not data: # Default to zero if not specified
+ if data is None: # Default to zero if not specified
if self.options and 'default' in self.options:
data = self.options['default']
else:
@@ -152,6 +148,7 @@ types = {'u8': BaseTypes('u8'), 'u16': BaseTypes('u16'),
'u64': BaseTypes('u64'), 'f64': BaseTypes('f64'),
'bool': BaseTypes('bool'), 'string': String}
+class_types = {}
def vpp_get_type(name):
try:
@@ -172,10 +169,6 @@ class FixedList_u8(object):
self.size = self.packer.size
self.field_type = field_type
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, data, kwargs=None):
"""Packs a fixed length bytestring. Left-pads with zeros
if input data is too short."""
@@ -207,10 +200,6 @@ class FixedList(object):
self.name = name
self.field_type = field_type
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, list, kwargs):
if len(list) != self.num:
raise VPPSerializerValueError(
@@ -289,10 +278,6 @@ class VLAList_legacy():
self.packer = types[field_type]
self.size = self.packer.size
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, list, kwargs=None):
if self.packer.size == 1:
return bytes(list)
@@ -319,9 +304,11 @@ class VLAList_legacy():
class VPPEnumType(object):
- def __init__(self, name, msgdef):
+ def __init__(self, name, msgdef, options=None):
self.size = types['u32'].size
+ self.name = name
self.enumtype = 'u32'
+ self.msgdef = msgdef
e_hash = {}
for f in msgdef:
if type(f) is dict and 'enumtype' in f:
@@ -333,10 +320,8 @@ class VPPEnumType(object):
e_hash[ename] = evalue
self.enum = IntFlag(name, e_hash)
types[name] = self
-
- def __call__(self, args):
- self.options = args
- return self
+ class_types[name] = VPPEnumType
+ self.options = options
def __getattr__(self, name):
return self.enum[name]
@@ -348,6 +333,12 @@ class VPPEnumType(object):
__nonzero__ = __bool__
def pack(self, data, kwargs=None):
+ if data is None: # Default to zero if not specified
+ if self.options and 'default' in self.options:
+ data = self.options['default']
+ else:
+ data = 0
+
return types[self.enumtype].pack(data)
def unpack(self, data, offset=0, result=None, ntc=False):
@@ -381,10 +372,6 @@ class VPPUnionType(object):
types[name] = self
self.tuple = collections.namedtuple(name, fields, rename=True)
- def __call__(self, args):
- self.options = args
- return self
-
# Union of variable length?
def pack(self, data, kwargs=None):
if not data:
@@ -431,10 +418,6 @@ class VPPTypeAlias(object):
types[name] = self
self.toplevelconversion = False
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, data, kwargs=None):
if data and conversion_required(data, self.name):
try:
@@ -512,7 +495,14 @@ class VPPType(object):
p = VLAList(f_name, f_type, f[3], length_index)
self.packers.append(p)
else:
- p = types[f_type](self.options)
+ # Support default for basetypes and enums
+ if 'default' in self.options:
+ try:
+ p = BaseTypes(f_type, 0, self.options)
+ except KeyError:
+ p = class_types[f_type](f_name, types[f_type].msgdef, self.options)
+ else:
+ p = types[f_type]
self.packers.append(p)
size += p.size
@@ -521,10 +511,6 @@ class VPPType(object):
types[name] = self
self.toplevelconversion = False
- def __call__(self, args):
- self.options = args
- return self
-
def pack(self, data, kwargs=None):
if not kwargs:
kwargs = data