1 files changed, 181 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressTlv.java
new file mode 100644
index 00000000..62a5588d
--- /dev/null
+++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressTlv.java
@@ -0,0 +1,181 @@
+/*
+ * 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.Arrays;
+
+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;
+import com.google.common.base.MoreObjects.ToStringHelper;
+
+/**
+ * Provides IPv6 Interface Address. REFERENCE :[RFC6119]/4.2.
+ */
+public class IPv6InterfaceAddressTlv implements PcepValueType {
+
+    protected static final Logger log = LoggerFactory.getLogger(IPv6InterfaceAddressTlv.class);
+
+    public static final short TYPE = 12; //TDB18
+    public static final short LENGTH = 20;
+    public static final byte VALUE_LENGTH = 18;
+
+    private static final byte[] NONE_VAL = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    public static final IPv6InterfaceAddressTlv NONE = new IPv6InterfaceAddressTlv(NONE_VAL);
+
+    private static final byte[] NO_MASK_VAL = {(byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
+            (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
+            (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
+    public static final IPv6InterfaceAddressTlv NO_MASK = new IPv6InterfaceAddressTlv(NO_MASK_VAL);
+    public static final IPv6InterfaceAddressTlv FULL_MASK = NONE;
+
+    private final byte[] rawValue;
+
+    /**
+     * Constructor to initialize rawValue.
+     *
+     * @param rawValue IPv6 Interface Address Tlv
+     */
+    public IPv6InterfaceAddressTlv(byte[] rawValue) {
+        log.debug("IPv6InterfaceAddressTlv");
+        this.rawValue = rawValue;
+    }
+
+    /**
+     * Returns newly created IPv6InterfaceAddressTlv object.
+     *
+     * @param raw IPv6 Interface Address
+     * @return object of IPv6InterfaceAddressTlv
+     */
+    public static IPv6InterfaceAddressTlv of(final byte[] raw) {
+        //check NONE_VAL
+        boolean bFoundNONE = true;
+        //value starts from 3rd byte.
+        for (int i = 2; i < 20; ++i) {
+            if (NONE_VAL[i] != raw[i]) {
+                bFoundNONE = false;
+            }
+        }
+
+        if (bFoundNONE) {
+            return NONE;
+        }
+
+        //check NO_MASK_VAL
+        boolean bFoundNoMask = true;
+        //value starts from 3rd byte.
+        for (int i = 2; i < 20; ++i) {
+            if (0xFF != raw[i]) {
+                bFoundNoMask = false;
+            }
+        }
+        if (bFoundNoMask) {
+            return NO_MASK;
+        }
+
+        return new IPv6InterfaceAddressTlv(raw);
+    }
+
+    /**
+     * Returns value of IPv6 Interface Address.
+     *
+     * @return rawValue raw value
+     */
+    public byte[] getBytes() {
+        return rawValue;
+    }
+
+    /**
+     * Returns value of IPv6 Interface Address.
+     *
+     * @return rawValue raw value
+     */
+    public byte[] getValue() {
+        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 Arrays.hashCode(rawValue);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof IPv6InterfaceAddressTlv) {
+            IPv6InterfaceAddressTlv other = (IPv6InterfaceAddressTlv) obj;
+            return Arrays.equals(rawValue, other.rawValue);
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iLenStartIndex = c.writerIndex();
+        c.writeShort(TYPE);
+        c.writeShort(LENGTH);
+        c.writeBytes(rawValue);
+        return c.writerIndex() - iLenStartIndex;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of IPv6InterfaceAddressTlv.
+     *
+     * @param c input channel buffer
+     * @return object of IPv6InterfaceAddressTlv
+     */
+    public static IPv6InterfaceAddressTlv read20Bytes(ChannelBuffer c) {
+        byte[] yTemp = new byte[20];
+        c.readBytes(yTemp, 0, 20);
+        return IPv6InterfaceAddressTlv.of(yTemp);
+    }
+
+    @Override
+    public String toString() {
+        ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
+
+        toStrHelper.add("Type", TYPE);
+        toStrHelper.add("Length", LENGTH);
+
+        StringBuffer result = new StringBuffer();
+        for (byte b : rawValue) {
+            result.append(String.format("%02X ", b));
+        }
+        toStrHelper.add("Value", result);
+
+        return toStrHelper.toString();
+    }
+}