1 files changed, 143 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NexthopIPv4addressTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NexthopIPv4addressTlv.java
new file mode 100644
index 00000000..6f193384
--- /dev/null
+++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NexthopIPv4addressTlv.java
@@ -0,0 +1,143 @@
+/*
+ * 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;
+
+/**
+ * NexthopIPv6addressTlv provides Ipv4 address of next hop.
+ */
+public class NexthopIPv4addressTlv implements PcepValueType {
+
+    /*
+        Reference :draft-zhao-pce-pcep-extension-for-pce-controller-01
+
+        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=TBD                      | Length = 8                    |
+       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+       |                     nexthop IPv4 address                      |
+       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+                      NEXTHOP-IPV4-ADDRESS TLV
+
+     */
+    protected static final Logger log = LoggerFactory.getLogger(NexthopIPv4addressTlv.class);
+
+    public static final short TYPE = 2; //to be defined
+    //Length is header + value
+    public static final short LENGTH = 8;
+    public static final short VALUE_LENGTH = 4;
+
+    private final int rawValue;
+
+    /**
+     * Constructor to initialize next hop IPv4 address.
+     *
+     * @param rawValue next hop IPv4 address
+     */
+    public NexthopIPv4addressTlv(int rawValue) {
+        this.rawValue = rawValue;
+    }
+
+    /**
+     * Return next hop IPv4 address tlv.
+     *
+     * @param raw of next hop IPv4 address
+     * @return object of NexthopIPv4addressTlv
+     */
+    public static NexthopIPv4addressTlv of(final int raw) {
+        return new NexthopIPv4addressTlv(raw);
+    }
+
+    /**
+     * Returns next hop IPv4 address.
+     *
+     * @return next hop IPv4 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 NexthopIPv4addressTlv) {
+            NexthopIPv4addressTlv other = (NexthopIPv4addressTlv) obj;
+            return Objects.equals(this.rawValue, other.rawValue);
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iStartIndex = c.writerIndex();
+        c.writeShort(TYPE);
+        c.writeShort(LENGTH);
+        c.writeInt(rawValue);
+        return c.writerIndex() - iStartIndex;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of NexthopIPv4addressTlv.
+     *
+     * @param c type of channel buffer
+     * @return object of NexthopIPv4addressTlv
+     */
+    public static NexthopIPv4addressTlv read(ChannelBuffer c) {
+        return NexthopIPv4addressTlv.of(c.readInt());
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("Type", TYPE)
+                .add("Length", LENGTH)
+                .add("Ipv4Address ", rawValue)
+                .toString();
+    }
+}