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-rw-r--r--src/vpp-api/python/vpp_papi/vpp_papi.py11
-rw-r--r--src/vpp-api/python/vpp_papi/vpp_serializer.py14
2 files changed, 22 insertions, 3 deletions
diff --git a/src/vpp-api/python/vpp_papi/vpp_papi.py b/src/vpp-api/python/vpp_papi/vpp_papi.py
index ca4b955fd07..bd2682f5b8f 100644
--- a/src/vpp-api/python/vpp_papi/vpp_papi.py
+++ b/src/vpp-api/python/vpp_papi/vpp_papi.py
@@ -27,7 +27,7 @@ import fnmatch
import weakref
import atexit
from . vpp_serializer import VPPType, VPPEnumType, VPPUnionType, BaseTypes
-from . vpp_serializer import VPPMessage, vpp_get_type
+from . vpp_serializer import VPPMessage, vpp_get_type, VPPTypeAlias
from . vpp_format import VPPFormat
if sys.version[0] == '2':
@@ -102,13 +102,15 @@ class VPP(object):
for t in api['types']:
t[0] = 'vl_api_' + t[0] + '_t'
types[t[0]] = {'type': 'type', 'data': t}
+ for t, v in api['aliases'].items():
+ types['vl_api_' + t + '_t'] = {'type': 'alias', 'data': v}
i = 0
while True:
unresolved = {}
for k, v in types.items():
t = v['data']
- if not vpp_get_type(t[0]):
+ if not vpp_get_type(k):
if v['type'] == 'enum':
try:
VPPEnumType(t[0], t[1:])
@@ -124,6 +126,11 @@ class VPP(object):
VPPType(t[0], t[1:])
except ValueError:
unresolved[k] = v
+ elif v['type'] == 'alias':
+ try:
+ VPPTypeAlias(k, t)
+ except ValueError:
+ unresolved[k] = v
if len(unresolved) == 0:
break
if i > 3:
diff --git a/src/vpp-api/python/vpp_papi/vpp_serializer.py b/src/vpp-api/python/vpp_papi/vpp_serializer.py
index bd0f73803da..a001cca565a 100644
--- a/src/vpp-api/python/vpp_papi/vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/vpp_serializer.py
@@ -79,7 +79,7 @@ class FixedList_u8(object):
self.packer = BaseTypes(field_type, num)
self.size = self.packer.size
- def pack(self, list, kwargs):
+ def pack(self, list, kwargs = None):
"""Packs a fixed length bytestring. Left-pads with zeros
if input data is too short."""
if not list:
@@ -277,6 +277,18 @@ class VPPUnionType(object):
return self.tuple._make(r), maxsize
+def VPPTypeAlias(name, msgdef):
+ t = vpp_get_type(msgdef['type'])
+ if not t:
+ raise ValueError()
+ if 'length' in msgdef:
+ if msgdef['length'] == 0:
+ raise ValueError()
+ types[name] = FixedList(name, msgdef['type'], msgdef['length'])
+ else:
+ types[name] = t
+
+
class VPPType(object):
# Set everything up to be able to pack / unpack
def __init__(self, name, msgdef):