Added PacketCustomizer and State Machine exceptions to 'api' package.
Change-Id: Ifcc98ea0f7e46fb148c2fde60eb2d9b343b5f502
diff --git a/src/main/java/org/opencord/aaa/api/PacketCustomizer.java b/src/main/java/org/opencord/aaa/api/PacketCustomizer.java
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+++ b/src/main/java/org/opencord/aaa/api/PacketCustomizer.java
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+/*
+ * Copyright 2017-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.aaa.api;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.RADIUS;
+import org.onosproject.net.packet.InboundPacket;
+
+/**
+ * Facilitates the customization of RADIUS packets.
+ * <p>
+ * This default implementation does no customization.
+ * <p>
+ * Subclasses should override the appropriate methods to fill in attributes
+ * according to the specifics of the RADIUS server set up.
+ */
+public class PacketCustomizer {
+
+ /**
+ * Customize the packet as per specific setup or RADIUS server requirements.
+ * <p>
+ * This default implementation returns the packet unaltered.
+ *
+ * @param inPkt RADIUS packet to be customized
+ * @param eapPacket Incoming packet containing EAP for which this RADIUS
+ * message is being created
+ * @return customized RADIUS packet
+ */
+ public RADIUS customizePacket(RADIUS inPkt, InboundPacket eapPacket) {
+ return inPkt;
+ }
+
+ /**
+ * Customize the Ethernet header as per specific setup or RADIUS
+ * server requirements.
+ * <p>
+ * This default implementation returns the packet unaltered.
+ *
+ * @param inPkt Ethernet packet to be changed
+ * @param eapPacket Incoming packet containing EAP for which this RADIUS
+ * message is being created
+ * @return customized Ethernet packet
+ */
+ public Ethernet customizeEthernetIPHeaders(Ethernet inPkt,
+ InboundPacket eapPacket) {
+ return inPkt;
+ }
+}
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