[ONOS-3284]Traffic selector updated for NSH ext match

Change-Id: Ic6f993df9a6bc735dc1ee9fca39ef05568f5ee5e
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java b/drivers/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
index f0840c8..140a816 100644
--- a/drivers/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
+++ b/drivers/src/main/java/org/onosproject/driver/extensions/DefaultMoveExtensionTreatment.java
@@ -50,6 +50,7 @@
      * @param nBits nbits
      * @param src source
      * @param dst destination
+     * @param type extension treatment type
      */
     public DefaultMoveExtensionTreatment(int srcOfs, int dstOfs, int nBits,
                                          int src, int dst, ExtensionTreatmentType type) {
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionSelectorInterpreter.java b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionSelectorInterpreter.java
index b1a3c68..9f30299 100644
--- a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionSelectorInterpreter.java
+++ b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraExtensionSelectorInterpreter.java
@@ -33,11 +33,48 @@
 
     @Override
     public boolean supported(ExtensionSelectorType extensionSelectorType) {
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SPI.type())) {
+            return true;
+        }
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SI.type())) {
+            return true;
+        }
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH1.type())) {
+            return true;
+        }
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH2.type())) {
+            return true;
+        }
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH3.type())) {
+            return true;
+        }
+        if (extensionSelectorType.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH4.type())) {
+            return true;
+        }
         return false;
     }
 
     @Override
     public OFOxm<?> mapSelector(OFFactory factory, ExtensionSelector extensionSelector) {
+        ExtensionSelectorType type = extensionSelector.type();
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SPI.type())) {
+            // TODO
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SI.type())) {
+            // TODO
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH1.type())) {
+            // TODO
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH2.type())) {
+            // TODO
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH3.type())) {
+            // TODO
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH4.type())) {
+            // TODO
+        }
         return null;
     }
 
@@ -48,6 +85,18 @@
 
     @Override
     public ExtensionSelector getExtensionSelector(ExtensionSelectorType type) {
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SPI.type())) {
+            return new NiciraMatchNshSpi();
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SI.type())) {
+            return new NiciraMatchNshSi();
+        }
+        if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH1.type())
+                || type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH2.type())
+                || type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH3.type())
+                || type.equals(ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_CH4.type())) {
+            return new NiciraMatchNshContextHeader(type);
+        }
         return null;
     }
 }
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshContextHeader.java b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshContextHeader.java
new file mode 100644
index 0000000..5f37247
--- /dev/null
+++ b/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;
+    }
+}
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSi.java b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSi.java
new file mode 100644
index 0000000..c98a584
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSi.java
@@ -0,0 +1,91 @@
+/*
+ * 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.NshServiceIndex;
+import org.onosproject.net.flow.AbstractExtension;
+import org.onosproject.net.flow.criteria.ExtensionSelector;
+import org.onosproject.net.flow.criteria.ExtensionSelectorType;
+/**
+ * Implementation of NSH Service Index(SI).
+ */
+public final class NiciraMatchNshSi extends AbstractExtension implements ExtensionSelector {
+
+    private NshServiceIndex nshSi;
+
+    private final KryoNamespace appKryo = new KryoNamespace.Builder().build();
+
+    /**
+     * Default constructor.
+     *
+     */
+    public NiciraMatchNshSi() {
+        this.nshSi = null;
+    }
+
+    /**
+     * Gets the nsh service index to match.
+     *
+     * @return the si to match
+     */
+    public NshServiceIndex nshSi() {
+        return nshSi;
+    }
+
+    @Override
+    public byte[] serialize() {
+        return appKryo.serialize(nshSi.serviceIndex());
+    }
+
+    @Override
+    public void deserialize(byte[] data) {
+        nshSi = NshServiceIndex.of(appKryo.deserialize(data));
+    }
+
+    @Override
+    public ExtensionSelectorType type() {
+        return ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SI.type();
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(type().toString())
+                .add("nshSi", nshSi.toString())
+                .toString();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type(), nshSi);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof NiciraMatchNshSi) {
+            NiciraMatchNshSi that = (NiciraMatchNshSi) obj;
+            return Objects.equals(nshSi, that.nshSi);
+        }
+        return false;
+    }
+}
diff --git a/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSpi.java b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSpi.java
new file mode 100644
index 0000000..42bb78d
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/extensions/NiciraMatchNshSpi.java
@@ -0,0 +1,91 @@
+/*
+ * 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.NshServicePathId;
+import org.onosproject.net.flow.AbstractExtension;
+import org.onosproject.net.flow.criteria.ExtensionSelector;
+import org.onosproject.net.flow.criteria.ExtensionSelectorType;
+
+/**
+ * Implementation of NSH Service Path Id selector.
+ */
+public final class NiciraMatchNshSpi extends AbstractExtension implements ExtensionSelector  {
+    private NshServicePathId nshSpi;
+
+    private final KryoNamespace appKryo = new KryoNamespace.Builder().build();
+
+    /**
+     * Default constructor.
+     */
+    public NiciraMatchNshSpi() {
+        this.nshSpi = null;
+    }
+
+    /**
+     * Gets the network service path id to match.
+     *
+     * @return the nshSpi to match
+     */
+    public NshServicePathId nshSpi() {
+        return nshSpi;
+    }
+
+    @Override
+    public ExtensionSelectorType type() {
+        return ExtensionSelectorType.ExtensionSelectorTypes.NICIRA_MATCH_NSH_SPI.type();
+    }
+
+    @Override
+    public byte[] serialize() {
+        return appKryo.serialize(nshSpi);
+    }
+
+    @Override
+    public void deserialize(byte[] data) {
+        nshSpi = NshServicePathId.of(appKryo.deserialize(data));
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(type().toString())
+                .add("nshSpi", nshSpi.toString())
+                .toString();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type(), nshSpi);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof NiciraMatchNshSpi) {
+            NiciraMatchNshSpi that = (NiciraMatchNshSpi) obj;
+            return Objects.equals(nshSpi, that.nshSpi) &&
+                    Objects.equals(this.type(), that.type());
+        }
+        return false;
+    }
+}