PCEP modificaton to support PCEP-LS
Change-Id: Ic829dd17b0398ad76ec412b4e8293de564b5b56b
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupSubTlv.java
new file mode 100644
index 0000000..a7c1b81
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupSubTlv.java
@@ -0,0 +1,167 @@
+/*
+ * 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 SharedRiskLinkGroupTlv.
+ */
+public class SharedRiskLinkGroupSubTlv implements PcepValueType {
+
+ /*
+ * Reference :[I-D.ietf-idr- Group ls-distribution] /3.3.2.5
+ *
+ * 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 =TDB41 | Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Shared Risk Link Group Value |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ // ............ //
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Shared Risk Link Group Value |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(SharedRiskLinkGroupSubTlv.class);
+
+ public static final short TYPE = 30;
+
+ private final short hLength;
+
+ private final int[] srlgValue;
+
+ /**
+ * Constructor to initialize SRLG value.
+ *
+ * @param srlgValue Shared Risk Link Group Value
+ * @param hLength length
+ */
+ public SharedRiskLinkGroupSubTlv(int[] srlgValue, short hLength) {
+ this.srlgValue = srlgValue;
+ if (0 == hLength) {
+ this.hLength = (short) ((srlgValue.length) * 4);
+ } else {
+ this.hLength = hLength;
+ }
+ }
+
+ /**
+ * Returns object of SharedRiskLinkGroupTlv.
+ *
+ * @param raw value
+ * @param hLength length
+ * @return object of SharedRiskLinkGroupTlv
+ */
+ public static SharedRiskLinkGroupSubTlv of(final int[] raw, short hLength) {
+ return new SharedRiskLinkGroupSubTlv(raw, hLength);
+ }
+
+ /**
+ * Returns SRLG Value.
+ *
+ * @return srlgValue
+ */
+ public int[] getValue() {
+ return srlgValue;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return hLength;
+ }
+
+ @Override
+ public int hashCode() {
+ return Arrays.hashCode(srlgValue);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof SharedRiskLinkGroupSubTlv) {
+ SharedRiskLinkGroupSubTlv other = (SharedRiskLinkGroupSubTlv) obj;
+ return Arrays.equals(this.srlgValue, other.srlgValue);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ c.writeShort(TYPE);
+ c.writeShort(hLength);
+ for (int b : srlgValue) {
+ c.writeInt(b);
+ }
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads from channel buffer and returns object of SharedRiskLinkGroupTlv.
+ *
+ * @param c input channel buffer
+ * @param hLength length
+ * @return object of SharedRiskLinkGroupTlv
+ */
+ public static PcepValueType read(ChannelBuffer c, short hLength) {
+ int iLength = hLength / 4;
+ int[] iSharedRiskLinkGroup = new int[iLength];
+ for (int i = 0; i < iLength; i++) {
+ iSharedRiskLinkGroup[i] = c.readInt();
+ }
+ return new SharedRiskLinkGroupSubTlv(iSharedRiskLinkGroup, hLength);
+ }
+
+
+ @Override
+ public String toString() {
+ ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
+
+ toStrHelper.add("Type", TYPE);
+ toStrHelper.add("Length", hLength);
+
+ StringBuffer result = new StringBuffer();
+ for (int b : srlgValue) {
+ result.append(String.format("%02X ", b));
+ }
+ toStrHelper.add("Value", result);
+
+ return toStrHelper.toString();
+ }
+}