First implementation of BNG application
The application offers network level APIs for the BNG data plane.
An attachment (BngAttachment) at network level is identified by an arbitrary string.
The exposed APIs are key-value like APIs.
Change-Id: If0e484f487ea16dd8c7dd99642f75686e1dbc29a
diff --git a/api/src/main/java/org/opencord/bng/PppoeEvent.java b/api/src/main/java/org/opencord/bng/PppoeEvent.java
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+++ b/api/src/main/java/org/opencord/bng/PppoeEvent.java
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+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+package org.opencord.bng;
+
+import org.onosproject.event.AbstractEvent;
+
+/**
+ * PPPoE attachment level event. This kind of events are used to advertise
+ * control level attachment events (e.g., attachment creation, successful
+ * authentication etc.)
+ */
+public final class PppoeEvent extends
+ AbstractEvent<PppoeEvent.EventType, PppoeEventSubject> {
+ /**
+ * Creates a new event for the given attachment information.
+ *
+ * @param type type
+ * @param subject the attachment event
+ */
+ public PppoeEvent(EventType type, PppoeEventSubject subject) {
+ super(type, subject);
+ }
+
+ /**
+ * Type of the event.
+ */
+ public enum EventType {
+ /**
+ * Signals that a PPPoE session has been initiated from the client.
+ */
+ SESSION_INIT,
+
+ /**
+ * Signal that a PPPoE session has been established.
+ */
+ SESSION_CONFIRMATION,
+
+ /**
+ * Signal that the PPPoE session has been terminated.
+ */
+ SESSION_TERMINATION,
+
+ /**
+ * Signals an IPCP configuration acknowledge event.
+ */
+ IPCP_CONF_ACK,
+
+ /**
+ * Signals an IPCP configuration request event.
+ */
+ IPCP_CONF_REQUEST,
+
+ /**
+ * Authentication initiated.
+ */
+ AUTH_REQUEST,
+
+ /**
+ * Authentication confirmation.
+ */
+ AUTH_SUCCESS,
+
+ /**
+ * Failed authentication.
+ */
+ AUTH_FAILURE
+ }
+}
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