1 files changed, 138 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrOpaqueNode.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrOpaqueNode.java
new file mode 100644
index 00000000..545755a7
--- /dev/null
+++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrOpaqueNode.java
@@ -0,0 +1,138 @@
+/*
+ * 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.bgpio.types.attr;
+
+import java.util.Arrays;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.types.BgpErrorType;
+import org.onosproject.bgpio.types.BgpValueType;
+import org.onosproject.bgpio.util.Validation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implements BGP attribute opaque node.
+ */
+public class BgpAttrOpaqueNode implements BgpValueType {
+
+    protected static final Logger log = LoggerFactory
+            .getLogger(BgpAttrOpaqueNode.class);
+
+    public static final int ATTRNODE_OPAQUEDATA = 1025;
+
+    /* Opaque Node Attribute */
+    private byte[] opaqueNodeAttribute;
+
+    /**
+     * Constructor to initialize parameter.
+     *
+     * @param opaqueNodeAttribute opaque node attribute
+     */
+    public BgpAttrOpaqueNode(byte[] opaqueNodeAttribute) {
+        this.opaqueNodeAttribute = Arrays.copyOf(opaqueNodeAttribute, opaqueNodeAttribute.length);
+    }
+
+    /**
+     * Returns object of this class with specified values.
+     *
+     * @param opaqueNodeAttribute Prefix Metric
+     * @return object of BgpAttrOpaqueNode
+     */
+    public static BgpAttrOpaqueNode of(byte[] opaqueNodeAttribute) {
+        return new BgpAttrOpaqueNode(opaqueNodeAttribute);
+    }
+
+    /**
+     * Reads the Opaque Node Properties.
+     *
+     * @param cb ChannelBuffer
+     * @return object of BgpAttrOpaqueNode
+     * @throws BgpParseException while parsing BgpAttrOpaqueNode
+     */
+    public static BgpAttrOpaqueNode read(ChannelBuffer cb)
+            throws BgpParseException {
+
+        byte[] opaqueNodeAttribute;
+
+        short lsAttrLength = cb.readShort();
+
+        if (cb.readableBytes() < lsAttrLength) {
+            Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
+                                   BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
+                                   lsAttrLength);
+        }
+
+        opaqueNodeAttribute = new byte[lsAttrLength];
+        cb.readBytes(opaqueNodeAttribute);
+
+        return BgpAttrOpaqueNode.of(opaqueNodeAttribute);
+    }
+
+    /**
+     * Returns opaque node attribute.
+     *
+     * @return LS node attribute value
+     */
+    public byte[] attrOpaqueNode() {
+        return opaqueNodeAttribute;
+    }
+
+    @Override
+    public short getType() {
+        return ATTRNODE_OPAQUEDATA;
+    }
+
+    @Override
+    public int hashCode() {
+        return Arrays.hashCode(opaqueNodeAttribute);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof BgpAttrOpaqueNode) {
+            BgpAttrOpaqueNode other = (BgpAttrOpaqueNode) obj;
+            return Arrays
+                    .equals(opaqueNodeAttribute, other.opaqueNodeAttribute);
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer cb) {
+        // TODO This will be implemented in the next version
+        return 0;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass()).omitNullValues()
+                .add("opaqueNodeAttribute", opaqueNodeAttribute).toString();
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+}