1 files changed, 167 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java
new file mode 100644
index 00000000..e855a526
--- /dev/null
+++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.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 SharedRiskLinkGroupTlv 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(SharedRiskLinkGroupTlv.class);
+
+    public static final short TYPE = 1096; //TODO:NEED TO HANDLE TDB41
+
+    private final short hLength;
+
+    private final int[] srlgValue;
+
+    /**
+     * Constructor to initialize SRLG value.
+     *
+     * @param srlgValue Shared Risk Link Group Value
+     * @param hLength length
+     */
+    public SharedRiskLinkGroupTlv(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 SharedRiskLinkGroupTlv of(final int[] raw, short hLength) {
+        return new SharedRiskLinkGroupTlv(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 SharedRiskLinkGroupTlv) {
+            SharedRiskLinkGroupTlv other = (SharedRiskLinkGroupTlv) 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 SharedRiskLinkGroupTlv(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();
+    }
+}