1 files changed, 140 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java
new file mode 100644
index 00000000..f3c0d17b
--- /dev/null
+++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java
@@ -0,0 +1,140 @@
+/*
+ * 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.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onlab.packet.Ip4Address;
+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 node router ID.
+ */
+public final class BgpAttrRouterIdV4 implements BgpValueType {
+
+    protected static final Logger log = LoggerFactory
+            .getLogger(BgpAttrRouterIdV4.class);
+
+    private final short sType;
+
+    /* IPv4 Router-ID of Node */
+    private final Ip4Address ip4RouterId;
+
+    /**
+     * Constructor to initialize the value.
+     *
+     * @param ip4RouterId IPV4 address of router
+     * @param sType TLV type
+     */
+    private BgpAttrRouterIdV4(Ip4Address ip4RouterId, short sType) {
+        this.ip4RouterId = ip4RouterId;
+        this.sType = sType;
+    }
+
+    /**
+     * Returns object of this class with specified values.
+     *
+     * @param ip4RouterId IPv4 address
+     * @param sType Type of this TLV
+     * @return object of BgpAttrRouterIdV4
+     */
+    public static BgpAttrRouterIdV4 of(final Ip4Address ip4RouterId,
+                                       final short sType) {
+        return new BgpAttrRouterIdV4(ip4RouterId, sType);
+    }
+
+    /**
+     * Reads the IPv4 Router-ID.
+     *
+     * @param cb ChannelBuffer
+     * @param sType tag type
+     * @return object of BgpAttrRouterIdV4
+     * @throws BgpParseException while parsing BgpAttrRouterIdV4
+     */
+    public static BgpAttrRouterIdV4 read(ChannelBuffer cb, short sType)
+            throws BgpParseException {
+        short lsAttrLength = cb.readShort();
+
+        if ((lsAttrLength != 4) || (cb.readableBytes() < lsAttrLength)) {
+            Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
+                                   BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
+                                   lsAttrLength);
+        }
+
+        byte[] ipBytes = new byte[lsAttrLength];
+        cb.readBytes(ipBytes, 0, lsAttrLength);
+        Ip4Address ip4RouterId = Ip4Address.valueOf(ipBytes);
+        return BgpAttrRouterIdV4.of(ip4RouterId, sType);
+    }
+
+    /**
+     * Returns the IPV4 router ID.
+     *
+     * @return Router ID
+     */
+    public Ip4Address attrRouterId() {
+        return ip4RouterId;
+    }
+
+    @Override
+    public short getType() {
+        return sType;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ip4RouterId);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof BgpAttrRouterIdV4) {
+            BgpAttrRouterIdV4 other = (BgpAttrRouterIdV4) obj;
+            return Objects.equals(ip4RouterId, other.ip4RouterId);
+        }
+        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("ip4RouterId", ip4RouterId).toString();
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+}