ONOS-4083,ONOS-4084:ISIS PDU TLV Data Structures
Change-Id: Ice0d42f2c886fa5f398b562e126614ed45f858a2
diff --git a/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java
new file mode 100644
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+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java
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+/*
+ * Copyright 2016-present 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.isis.io.isispacket.tlv;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.primitives.Bytes;
+import org.jboss.netty.buffer.ChannelBuffer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Representation of IP internal reachability TLV.
+ */
+public class IpInternalReachabilityTlv extends TlvHeader implements IsisTlv {
+ private List<MetricOfInternalReachability> metricOfInternalReachability = new ArrayList<>();
+
+ /**
+ * Creates an instance of IP internal reachability TLV.
+ *
+ * @param tlvHeader tlvHeader.
+ */
+ public IpInternalReachabilityTlv(TlvHeader tlvHeader) {
+ this.setTlvType(tlvHeader.tlvType());
+ this.setTlvLength(tlvHeader.tlvLength());
+ }
+
+ /**
+ * Adds the metric of internal reachability to internal reachability TLV.
+ *
+ * @param metricValue metric of internal reachability
+ */
+ public void addInternalReachabilityMetric(MetricOfInternalReachability metricValue) {
+ this.metricOfInternalReachability.add(metricValue);
+ }
+
+ @Override
+ public void readFrom(ChannelBuffer channelBuffer) {
+ while (channelBuffer.readableBytes() > 0) {
+ MetricOfInternalReachability metricOfInternalReachability = new MetricOfInternalReachability();
+ metricOfInternalReachability.readFrom(channelBuffer);
+ this.metricOfInternalReachability.add(metricOfInternalReachability);
+ }
+ }
+
+ @Override
+ public byte[] asBytes() {
+ byte[] bytes = null;
+ byte[] tlvHeader = tlvHeaderAsByteArray();
+ byte[] tlvBody = tlvBodyAsBytes();
+ tlvHeader[1] = (byte) tlvBody.length;
+ bytes = Bytes.concat(tlvHeader, tlvBody);
+ return bytes;
+ }
+
+ /**
+ * Returns TLV body of internal reachability TLV.
+ *
+ * @return byteArray TLV body of area address TLV
+ */
+ private byte[] tlvBodyAsBytes() {
+ List<Byte> bytes = new ArrayList<>();
+ for (MetricOfInternalReachability metricOfInternalReachability :
+ this.metricOfInternalReachability) {
+ bytes.addAll(Bytes.asList(metricOfInternalReachability.asBytes()));
+ }
+ return Bytes.toArray(bytes);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .omitNullValues()
+ .add("metricOfInternalReachability", metricOfInternalReachability)
+ .toString();
+ }
+}
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