[ONOS-3284] Add nicira extension of NSH instructions to onos
Change-Id: I569ef85967a22098db3c9821a8731a4ca589eaf6
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraSetNshContextHeader.java b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraSetNshContextHeader.java
new file mode 100644
index 0000000..0aa0f4d
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraSetNshContextHeader.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.driver.extensions;
+
+import java.util.Objects;
+
+import org.onlab.util.KryoNamespace;
+import org.onosproject.net.flow.instructions.AbstractExtensionTreatment;
+import org.onosproject.net.flow.instructions.ExtensionTreatmentType;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Nicira set NSH Context header extension instruction.
+ */
+public class NiciraSetNshContextHeader extends AbstractExtensionTreatment {
+
+ private int nshCh;
+ private ExtensionTreatmentType type;
+
+ private final KryoNamespace appKryo = new KryoNamespace.Builder().build();
+
+ /**
+ * Creates a new set nsh context header instruction.
+ *
+ * @param type extension treatment type
+ */
+ NiciraSetNshContextHeader(ExtensionTreatmentType type) {
+ this.nshCh = 0;
+ this.type = type;
+ }
+
+ /**
+ * Creates a new set nsh context header instruction.
+ *
+ * @param nshCh nsh context header
+ * @param type extension treatment type
+ */
+ NiciraSetNshContextHeader(int nshCh, ExtensionTreatmentType type) {
+ this.nshCh = nshCh;
+ this.type = type;
+ }
+
+ /**
+ * Gets the nsh context header.
+ *
+ * @return nsh context header
+ */
+ public int nshCh() {
+ return nshCh;
+ }
+
+ @Override
+ public ExtensionTreatmentType type() {
+ return type;
+ }
+
+ @Override
+ public void deserialize(byte[] data) {
+ nshCh = appKryo.deserialize(data);
+ }
+
+ @Override
+ public byte[] serialize() {
+ return appKryo.serialize(nshCh);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(nshCh, type);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof NiciraSetNshContextHeader) {
+ NiciraSetNshContextHeader that = (NiciraSetNshContextHeader) obj;
+ return Objects.equals(nshCh, that.nshCh) && Objects.equals(type, that.type);
+
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("nshCh", nshCh)
+ .add("type", type)
+ .toString();
+ }
+}