1 files changed, 122 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpNodeLSIdentifier.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpNodeLSIdentifier.java
new file mode 100644
index 00000000..6c2c96d9
--- /dev/null
+++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BgpNodeLSIdentifier.java
@@ -0,0 +1,122 @@
+/*
+ * 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.protocol.linkstate;
+
+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.util.Constants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implementation of Node Identifier which includes local node descriptor/remote node descriptors.
+ */
+public class BgpNodeLSIdentifier implements Comparable<Object> {
+
+    private static final Logger log = LoggerFactory.getLogger(BgpNodeLSIdentifier.class);
+    private NodeDescriptors nodeDescriptors;
+
+    /**
+     * Resets fields.
+     */
+    public BgpNodeLSIdentifier() {
+        this.nodeDescriptors = null;
+    }
+
+    /**
+     * Constructor to initialize fields.
+     *
+     * @param nodeDescriptors local/remote node descriptor
+     */
+    public BgpNodeLSIdentifier(NodeDescriptors nodeDescriptors) {
+        this.nodeDescriptors = nodeDescriptors;
+    }
+
+    /**
+     * Parse local node descriptors.
+     *
+     * @param cb ChannelBuffer
+     * @param protocolId protocol identifier
+     * @return object of this BGPNodeLSIdentifier
+     * @throws BgpParseException while parsing local node descriptors
+     */
+    public static BgpNodeLSIdentifier parseLocalNodeDescriptors(ChannelBuffer cb, byte protocolId)
+            throws BgpParseException {
+        log.debug("parse Local node descriptor");
+        ChannelBuffer tempBuf = cb.copy();
+        short type = cb.readShort();
+        short length = cb.readShort();
+        if (cb.readableBytes() < length) {
+            throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.OPTIONAL_ATTRIBUTE_ERROR,
+                                        tempBuf.readBytes(cb.readableBytes() + Constants.TYPE_AND_LEN));
+        }
+        NodeDescriptors nodeDescriptors = new NodeDescriptors();
+        ChannelBuffer tempCb = cb.readBytes(length);
+
+        if (type == NodeDescriptors.LOCAL_NODE_DES_TYPE) {
+            nodeDescriptors = NodeDescriptors.read(tempCb, length, type, protocolId);
+        } else {
+            throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.MALFORMED_ATTRIBUTE_LIST, null);
+        }
+        return new BgpNodeLSIdentifier(nodeDescriptors);
+    }
+
+    /**
+     * Returns node descriptors.
+     *
+     * @return node descriptors
+     */
+    public NodeDescriptors getNodedescriptors() {
+        return this.nodeDescriptors;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof BgpNodeLSIdentifier) {
+            BgpNodeLSIdentifier other = (BgpNodeLSIdentifier) obj;
+            return Objects.equals(nodeDescriptors, other.nodeDescriptors);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(nodeDescriptors);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("NodeDescriptors", nodeDescriptors)
+                .toString();
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        if (this.equals(o)) {
+            return 0;
+        }
+        return this.nodeDescriptors.compareTo(((BgpNodeLSIdentifier) o).nodeDescriptors);
+    }
+}