1 files changed, 95 insertions, 0 deletions
diff --git a/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshContextHeader.java b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshContextHeader.java
new file mode 100644
index 00000000..5f37247f
--- /dev/null
+++ b/framework/src/onos/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshContextHeader.java
@@ -0,0 +1,95 @@
+/*
+ * 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 static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+import org.onlab.util.KryoNamespace;
+import org.onosproject.net.NshContextHeader;
+import org.onosproject.net.flow.AbstractExtension;
+import org.onosproject.net.flow.criteria.ExtensionSelector;
+import org.onosproject.net.flow.criteria.ExtensionSelectorType;
+/**
+ * Implementation of Nsh context header criterion.
+ */
+public final class NiciraMatchNshContextHeader  extends AbstractExtension implements ExtensionSelector {
+    private NshContextHeader nshContextHeader;
+    private ExtensionSelectorType type;
+
+    private final KryoNamespace appKryo = new KryoNamespace.Builder().build();
+
+    /**
+     * Constructor to create Nsh context header.
+     *
+     * @param type extension selector type
+     */
+    public NiciraMatchNshContextHeader(ExtensionSelectorType type) {
+        this.nshContextHeader = null;
+        this.type = type;
+    }
+
+    /**
+     * Gets the nsh context header to match.
+     *
+     * @return the nsh context header to match
+     */
+    public NshContextHeader nshContextHeader() {
+        return nshContextHeader;
+    }
+
+    @Override
+    public byte[] serialize() {
+        return appKryo.serialize(nshContextHeader.nshContextHeader());
+    }
+
+    @Override
+    public void deserialize(byte[] data) {
+        nshContextHeader = nshContextHeader.of(appKryo.deserialize(data));
+
+    }
+
+    @Override
+    public ExtensionSelectorType type() {
+        return type;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(type().toString())
+                .add("nshContextHeader", nshContextHeader.toString())
+                .toString();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type(), nshContextHeader);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof NiciraMatchNshContextHeader) {
+            NiciraMatchNshContextHeader that = (NiciraMatchNshContextHeader) obj;
+            return Objects.equals(nshContextHeader, that.nshContextHeader) &&
+                    Objects.equals(this.type(), that.type());
+        }
+        return false;
+    }
+}