Initial commit

[ta/distributed-state-server.git] / src / dss / api / dss_msg.py

diff --git a/src/dss/api/dss_msg.py b/src/dss/api/dss_msg.py
new file mode 100644 (file)
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+++ b/src/dss/api/dss_msg.py
@@ -0,0 +1,67 @@
+# Copyright 2019 Nokia
+#
+# 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.
+#
+
+import json
+from collections import OrderedDict
+
+from dss.api import dss_error
+
+'''
+{
+    "name": <msg name>,
+    "id": <id>,
+    "result": <description>,
+    "payload": <data>
+}
+'''
+class Msg(object):
+    def __init__(self, name=None, id=None, payload={}, result='OK'):
+        self.name = name
+        self.id = id
+        self.payload = payload
+        self.result = result
+
+    def serialize(self):
+        msg = OrderedDict([('name', self.name), ('id', self.id), ('result', self.result), ('payload', self.payload) ])
+        #msg = {}
+        #msg['name'] = self.name
+        #msg['id'] = self.id
+        #msg['result'] = self.result
+        #msg['payload'] = self.payload
+
+        return json.dumps(msg, separators=(',', ':'))
+
+    def deserialize(self, msg):
+        data = json.loads(msg, object_pairs_hook=OrderedDict)
+        self.name = data['name']
+        self.id = data['id']
+        self.result = data['result']
+        self.payload = data['payload']
+
+        if self.result != 'OK':
+            raise dss_error.Error('Request failed with error %s' % self.result)
+
+    def get_name(self):
+        return self.name
+
+    def get_id(self):
+        return self.id
+
+    def get_result(self):
+        return self.result
+
+    def get_payload(self):
+        return self.payload
+