PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressSubTlv.java
new file mode 100644
index 0000000..fe09d8b
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6InterfaceAddressSubTlv.java
@@ -0,0 +1,180 @@
+/*
+ * 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 com.google.common.base.MoreObjects;
+import com.google.common.base.MoreObjects.ToStringHelper;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+
+/**
+ * Provides IPv6 Interface Address. REFERENCE :[RFC6119]/4.2.
+ */
+public class IPv6InterfaceAddressSubTlv implements PcepValueType {
+
+ protected static final Logger log = LoggerFactory.getLogger(IPv6InterfaceAddressSubTlv.class);
+
+ public static final short TYPE = 9;
+ 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 IPv6InterfaceAddressSubTlv NONE = new IPv6InterfaceAddressSubTlv(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 IPv6InterfaceAddressSubTlv NO_MASK = new IPv6InterfaceAddressSubTlv(NO_MASK_VAL);
+ public static final IPv6InterfaceAddressSubTlv FULL_MASK = NONE;
+
+ private final byte[] rawValue;
+
+ /**
+ * Constructor to initialize rawValue.
+ *
+ * @param rawValue IPv6 Interface Address Tlv
+ */
+ public IPv6InterfaceAddressSubTlv(byte[] rawValue) {
+ log.debug("IPv6InterfaceAddressTlv");
+ this.rawValue = rawValue;
+ }
+
+ /**
+ * Returns newly created IPv6InterfaceAddressTlv object.
+ *
+ * @param raw IPv6 Interface Address
+ * @return object of IPv6InterfaceAddressTlv
+ */
+ public static IPv6InterfaceAddressSubTlv 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 IPv6InterfaceAddressSubTlv(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 IPv6InterfaceAddressSubTlv) {
+ IPv6InterfaceAddressSubTlv other = (IPv6InterfaceAddressSubTlv) 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 IPv6InterfaceAddressSubTlv read20Bytes(ChannelBuffer c) {
+ byte[] yTemp = new byte[20];
+ c.readBytes(yTemp, 0, 20);
+ return IPv6InterfaceAddressSubTlv.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();
+ }
+}