[Emu][onos-2603] - Implement LinkState Link attributes-Shared Risk Link Group
Change-Id: I11400373d6206605811cf007f534f810cee31ddc
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrSrlg.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrSrlg.java
new file mode 100755
index 0000000..b769252
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrSrlg.java
@@ -0,0 +1,130 @@
+/*
+ * 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.bgpio.types.attr;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BGPParseException;
+import org.onosproject.bgpio.types.BGPErrorType;
+import org.onosproject.bgpio.types.BGPValueType;
+import org.onosproject.bgpio.util.Validation;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implements BGP link Shared Risk Link Group attribute.
+ */
+public class BgpLinkAttrSrlg implements BGPValueType {
+
+ public static final short ATTRNODE_SRLG = 1097;
+
+ /* Shared Risk Link Group */
+ private List<Integer> sRlg = new ArrayList<Integer>();
+
+ /**
+ * Constructor to initialize the date.
+ *
+ * @param sRlg Shared Risk link group data
+ */
+ public BgpLinkAttrSrlg(List<Integer> sRlg) {
+ this.sRlg = sRlg;
+ }
+
+ /**
+ * Returns object of this class with specified values.
+ *
+ * @param sRlg Shared Risk link group data
+ * @return object of BgpLinkAttrSrlg
+ */
+ public static BgpLinkAttrSrlg of(ArrayList<Integer> sRlg) {
+ return new BgpLinkAttrSrlg(sRlg);
+ }
+
+ /**
+ * Reads the BGP link attributes Shared Risk link group data.
+ *
+ * @param cb Channel buffer
+ * @return object of type BgpLinkAttrSrlg
+ * @throws BGPParseException while parsing BgpLinkAttrSrlg
+ */
+ public static BgpLinkAttrSrlg read(ChannelBuffer cb)
+ throws BGPParseException {
+ int tempSrlg;
+ ArrayList<Integer> sRlg = new ArrayList<Integer>();
+
+ short lsAttrLength = cb.readShort();
+ int len = lsAttrLength / Integer.SIZE; // each element is of 4 octets
+
+ if (cb.readableBytes() < lsAttrLength) {
+ Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
+ BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
+ lsAttrLength);
+ }
+
+ for (int i = 0; i < len; i++) {
+ tempSrlg = cb.readInt();
+ sRlg.add(new Integer(tempSrlg));
+ }
+
+ return BgpLinkAttrSrlg.of(sRlg);
+ }
+
+ /**
+ * Returns the Shared Risk link group data.
+ *
+ * @return array of Shared Risk link group data
+ */
+ public List<Integer> attrSrlg() {
+ return sRlg;
+ }
+
+ @Override
+ public short getType() {
+ return ATTRNODE_SRLG;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(sRlg);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (obj instanceof BgpLinkAttrSrlg) {
+ BgpLinkAttrSrlg other = (BgpLinkAttrSrlg) obj;
+ return Objects.equals(sRlg, other.sRlg);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) {
+ // TODO This will be implemented in the next version
+ return 0;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass()).omitNullValues().add("sRlg", sRlg).toString();
+ }
+}