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-rw-r--r--src/vpp-api/python/vpp_papi/vpp_serializer.py30
1 files changed, 24 insertions, 6 deletions
diff --git a/src/vpp-api/python/vpp_papi/vpp_serializer.py b/src/vpp-api/python/vpp_papi/vpp_serializer.py
index bd5f050bba9..d1093318ed0 100644
--- a/src/vpp-api/python/vpp_papi/vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/vpp_serializer.py
@@ -96,14 +96,20 @@ class BaseTypes(object):
class String(object):
- def __init__(self):
+ def __init__(self, options):
self.name = 'string'
self.size = 1
self.length_field_packer = BaseTypes('u32')
+ self.limit = options['limit'] if 'limit' in options else None
def pack(self, list, kwargs=None):
if not list:
return self.length_field_packer.pack(0) + b""
+ if self.limit and len(list) > self.limit:
+ raise VPPSerializerValueError(
+ "Invalid argument length for: {}, {} maximum {}".
+ format(list, len(list), self.limit))
+
return self.length_field_packer.pack(len(list)) + list.encode('utf8')
def unpack(self, data, offset=0, result=None, ntc=False):
@@ -120,7 +126,7 @@ class String(object):
types = {'u8': BaseTypes('u8'), 'u16': BaseTypes('u16'),
'u32': BaseTypes('u32'), 'i32': BaseTypes('i32'),
'u64': BaseTypes('u64'), 'f64': BaseTypes('f64'),
- 'bool': BaseTypes('bool'), 'string': String()}
+ 'bool': BaseTypes('bool'), 'string': String}
def vpp_get_type(name):
@@ -416,7 +422,15 @@ class VPPType(object):
logger.debug('Unknown type {}'.format(f_type))
raise VPPSerializerValueError(
'Unknown message type {}'.format(f_type))
- if len(f) == 3: # list
+
+ l = len(f)
+ options = [x for x in f if type(x) is dict]
+ if len(options):
+ self.options = options[0]
+ l -= 1
+ else:
+ self.options = {}
+ if l == 3: # list
list_elements = f[2]
if list_elements == 0:
p = VLAList_legacy(f_name, f_type)
@@ -429,13 +443,17 @@ class VPPType(object):
p = FixedList(f_name, f_type, list_elements)
self.packers.append(p)
size += p.size
- elif len(f) == 4: # Variable length list
+ elif l == 4: # Variable length list
length_index = self.fields.index(f[3])
p = VLAList(f_name, f_type, f[3], length_index)
self.packers.append(p)
else:
- self.packers.append(types[f_type])
- size += types[f_type].size
+ if f_type == 'string':
+ p = types[f_type](self.options)
+ else:
+ p = types[f_type]
+ self.packers.append(p)
+ size += p.size
self.size = size
self.tuple = collections.namedtuple(name, self.fields, rename=True)