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# Copyright 2019 AT&T Intellectual Property. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from google.protobuf import descriptor
from google.protobuf import descriptor_pb2
from google.protobuf import message_factory
from google.protobuf.json_format import MessageToJson
class VESProtobuf(object):
""" non keywords methods related to VES """
def __init__(self):
super(VESProtobuf, self).__init__()
self.message_descriptors = VESProtobuf.get_message_definitions()
@staticmethod
def create_ves_event():
file_descriptor_proto = descriptor_pb2.FileDescriptorProto()
file_descriptor_proto.name = 'VesEvent'
VESProtobuf.create_commoneventheader(file_descriptor_proto)
VESProtobuf.create_vesevent(file_descriptor_proto)
return file_descriptor_proto
@staticmethod
def create_vesevent(file_descriptor_proto):
message_type = file_descriptor_proto.message_type.add()
message_type.name = "VesEvent"
VESProtobuf.create_message_field(message_type, 1, "commonEventHeader", "CommonEventHeader")
VESProtobuf.create_field(message_type, 2, "eventFields", descriptor.FieldDescriptor.TYPE_BYTES)
return message_type
@staticmethod
def create_commoneventheader(file_descriptor_proto):
message_type = file_descriptor_proto.message_type.add()
message_type.name = "CommonEventHeader"
enum_type = VESProtobuf.create_enum_type(message_type, 'Priority')
VESProtobuf.create_enum_type_value(enum_type, ["PRIORITY_NOT_PROVIDED", "HIGH", "MEDIUM", "NORMAL", "LOW"])
VESProtobuf.create_field(message_type, 1, "version", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 2, "domain", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 3, "sequence", descriptor.FieldDescriptor.TYPE_UINT32)
VESProtobuf.create_enum_field(message_type, 4, "priority", "Priority")
VESProtobuf.create_field(message_type, 5, "eventId", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 6, "eventName", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 7, "eventType", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 8, "lastEpochMicrosec", descriptor.FieldDescriptor.TYPE_UINT64)
VESProtobuf.create_field(message_type, 9, "startEpochMicrosec", descriptor.FieldDescriptor.TYPE_UINT64)
VESProtobuf.create_field(message_type, 10, "nfNamingCode", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 11, "nfcNamingCode", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 12, "nfVendorName", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 13, "reportingEntityId", descriptor.FieldDescriptor.TYPE_BYTES)
VESProtobuf.create_field(message_type, 14, "reportingEntityName", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 15, "sourceId", descriptor.FieldDescriptor.TYPE_BYTES)
VESProtobuf.create_field(message_type, 16, "sourceName", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 17, "timeZoneOffset", descriptor.FieldDescriptor.TYPE_STRING)
VESProtobuf.create_field(message_type, 18, "vesEventListenerVersion",
descriptor.FieldDescriptor.TYPE_STRING)
return message_type
@staticmethod
def create_enum_type(desc_proto, name):
enum_type = desc_proto.enum_type.add()
enum_type.name = name
return enum_type
@staticmethod
def create_enum_type_value(enum_type, value_list):
for i in range(len(value_list)):
enum_type_val = enum_type.value.add()
enum_type_val.name = value_list[i]
enum_type_val.number = i
@staticmethod
def create_field(desc_proto, number, name, field_type):
field = desc_proto.field.add()
field.number = number
field.name = name
field.type = field_type
@staticmethod
def create_enum_field(desc_proto, number, name, type_name):
field = desc_proto.field.add()
field.number = number
field.name = name
field.type = descriptor.FieldDescriptor.TYPE_ENUM
field.type_name = type_name
@staticmethod
def create_message_field(desc_proto, number, name, type_name):
field = desc_proto.field.add()
field.number = number
field.name = name
field.type = descriptor.FieldDescriptor.TYPE_MESSAGE
field.type_name = type_name
@staticmethod
def get_message_definitions():
messages = message_factory.GetMessages((VESProtobuf.create_ves_event(),))
message_factory._FACTORY = message_factory.MessageFactory()
return messages
def binary_to_json(self, binary_message):
ves = self.message_descriptors['VesEvent']()
ves.MergeFromString(binary_message)
json = MessageToJson(ves)
return json
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