1 files changed, 142 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java
new file mode 100644
index 00000000..3894c003
--- /dev/null
+++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java
@@ -0,0 +1,142 @@
+/*
+ * 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.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+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 prefix route tag attribute.
+ */
+public class BgpPrefixAttrRouteTag implements BgpValueType {
+
+    protected static final Logger log = LoggerFactory
+            .getLogger(BgpPrefixAttrRouteTag.class);
+
+    public static final short ATTR_PREFIX_ROUTETAG = 1153;
+
+    /* Prefix Route Tag */
+    private List<Integer> pfxRouteTag = new ArrayList<Integer>();
+
+    /**
+     * Constructor to initialize the values.
+     *
+     * @param pfxRouteTag prefix route tag
+     */
+    public BgpPrefixAttrRouteTag(List<Integer> pfxRouteTag) {
+        this.pfxRouteTag = pfxRouteTag;
+    }
+
+    /**
+     * Returns object of this class with specified values.
+     *
+     * @param pfxRouteTag Prefix Metric
+     * @return object of BgpPrefixAttrRouteTag
+     */
+    public static BgpPrefixAttrRouteTag of(ArrayList<Integer> pfxRouteTag) {
+        return new BgpPrefixAttrRouteTag(pfxRouteTag);
+    }
+
+    /**
+     * Reads the Route Tag.
+     *
+     * @param cb ChannelBuffer
+     * @return object of BgpPrefixAttrRouteTag
+     * @throws BgpParseException while parsing BgpPrefixAttrRouteTag
+     */
+    public static BgpPrefixAttrRouteTag read(ChannelBuffer cb)
+            throws BgpParseException {
+        int tmp;
+        ArrayList<Integer> pfxRouteTag = new ArrayList<Integer>();
+
+        short lsAttrLength = cb.readShort();
+        int len = lsAttrLength / Integer.SIZE;
+
+        if (cb.readableBytes() < lsAttrLength) {
+            Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
+                                   BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
+                                   lsAttrLength);
+        }
+
+        for (int i = 0; i < len; i++) {
+            tmp = cb.readInt();
+            pfxRouteTag.add(new Integer(tmp));
+        }
+
+        return BgpPrefixAttrRouteTag.of(pfxRouteTag);
+    }
+
+    /**
+     * Returns the prefix route tag.
+     *
+     * @return route tag
+     */
+    public List<Integer> getPfxRouteTag() {
+        return pfxRouteTag;
+    }
+
+    @Override
+    public short getType() {
+        return ATTR_PREFIX_ROUTETAG;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(pfxRouteTag);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof BgpPrefixAttrRouteTag) {
+            BgpPrefixAttrRouteTag other = (BgpPrefixAttrRouteTag) obj;
+            return Objects.equals(pfxRouteTag, other.pfxRouteTag);
+        }
+        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("pfxRouteTag", pfxRouteTag).toString();
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+}