This commit consists of the following:
1) The kafka messaging proxy in Twisted python for adapters
2) Initial implementation and containerization of ponsim OLT adapter
and ponsim ONU adapter
3) Initial submission of request and response facade in both Twisted
python and Go Language
4) Initial implementation of device management and logical device management
in the Core
5) Update to the log module to allow dynamic setting of log level per
package using the gRPC API
6) Bug fixes and minor changes
Change-Id: Ia8f033da84cfd08275335bae9542802415e7bb0f
diff --git a/adapters/common/utils/registry.py b/adapters/common/utils/registry.py
new file mode 100644
index 0000000..270bd71
--- /dev/null
+++ b/adapters/common/utils/registry.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 the original author or authors.
+#
+# 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.
+#
+
+"""
+Simple component registry to provide centralized access to any registered
+components.
+"""
+from collections import OrderedDict
+from zope.interface import Interface
+
+
+class IComponent(Interface):
+ """
+ A Voltha Component
+ """
+
+ def start():
+ """
+ Called once the componet is instantiated. Can be used for async
+ initialization.
+ :return: (None or Deferred)
+ """
+
+ def stop():
+ """
+ Called once before the component is unloaded. Can be used for async
+ cleanup operations.
+ :return: (None or Deferred)
+ """
+
+
+class Registry(object):
+
+ def __init__(self):
+ self.components = OrderedDict()
+
+ def register(self, name, component):
+ assert IComponent.providedBy(component)
+ assert name not in self.components
+ self.components[name] = component
+ return component
+
+ def unregister(self, name):
+ if name in self.components:
+ del self.components[name]
+
+ def __call__(self, name):
+ return self.components[name]
+
+ def iterate(self):
+ return self.components.values()
+
+
+# public shared registry
+registry = Registry()