[ONOS-2363]Implementation of Open and Error messages.
Change-Id: Id4aa762caf1847a6b5e56517cb159608fd54eefb
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv4NeighborAddressTlv.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv4NeighborAddressTlv.java
new file mode 100644
index 0000000..9f78b2c
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv4NeighborAddressTlv.java
@@ -0,0 +1,134 @@
+/*
+ * 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.pcepio.types;
+
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides IPv4 Neighbor Address .
+ */
+public class IPv4NeighborAddressTlv implements PcepValueType {
+
+ /* Reference :[RFC5305]/3.3
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Type=8 | Length=4 |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | IPv4 Neighbor Address |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(IPv4NeighborAddressTlv.class);
+
+ public static final short TYPE = 8;
+ public static final short LENGTH = 4;
+
+ private final int rawValue;
+
+ /**
+ * Constructor to initialize rawValue.
+ *
+ * @param rawValue IPv4-Neighbor-Address-Tlv
+ */
+ public IPv4NeighborAddressTlv(int rawValue) {
+ log.debug("IPv4NeighborAddressTlv");
+ this.rawValue = rawValue;
+ }
+
+ /**
+ * Returns newly created IPv4NeighborAddressTlv object.
+ *
+ * @param raw value of IPv4-Neighbor-Address
+ * @return object of IPv4NeighborAddressTlv
+ */
+ public static IPv4NeighborAddressTlv of(final int raw) {
+ return new IPv4NeighborAddressTlv(raw);
+ }
+
+ /**
+ * Returns value of IPv4 Neighbor Address.
+ *
+ * @return rawValue IPv4 Neighbor Address
+ */
+ public int getInt() {
+ return rawValue;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return LENGTH;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(rawValue);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof IPv4NeighborAddressTlv) {
+ IPv4NeighborAddressTlv other = (IPv4NeighborAddressTlv) obj;
+ return Objects.equals(rawValue, other.rawValue);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ c.writeShort(TYPE);
+ c.writeShort(LENGTH);
+ c.writeInt(rawValue);
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of IPv4-Neighbor-Address-Tlv.
+ *
+ * @param c input channel buffer
+ * @return object of IPv4-Neighbor-Address-Tlv
+ */
+ public static IPv4NeighborAddressTlv read(ChannelBuffer c) {
+ return IPv4NeighborAddressTlv.of(c.readInt());
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass()).add("Type", TYPE).add("Length", LENGTH).add("Value", rawValue)
+ .toString();
+ }
+}
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