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/subtlv/MaximumReservableBandwidth.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/MaximumReservableBandwidth.java
new file mode 100644
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+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/MaximumReservableBandwidth.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.subtlv;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.primitives.Bytes;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.isis.io.isispacket.tlv.TlvHeader;
+import org.onosproject.isis.io.util.IsisUtil;
+
+
+/**
+ * Representation of maximum reservable bandwidth TE value.
+ */
+public class MaximumReservableBandwidth extends TlvHeader implements TrafficEngineeringSubTlv {
+ private float maximumReservableBandwidth;
+
+ /**
+ * Creates an instance of maximum reservable bandwidth.
+ *
+ * @param header tlv header
+ */
+ public MaximumReservableBandwidth(TlvHeader header) {
+ this.setTlvType(header.tlvType());
+ this.setTlvLength(header.tlvLength());
+ }
+
+ /**
+ * Sets value of maximum reversible bandwidth.
+ *
+ * @param maximumBandwidth maximum reversible bandwidth
+ */
+ public void setMaximumBandwidth(float maximumBandwidth) {
+ this.maximumReservableBandwidth = maximumBandwidth;
+ }
+
+ /**
+ * Gets value of maximum reversible bandwidth.
+ *
+ * @return maximumBandwidth maximum reversible bandwidth
+ */
+ public float getMaximumBandwidthValue() {
+ return this.maximumReservableBandwidth;
+ }
+
+ /**
+ * Reads bytes from channel buffer.
+ *
+ * @param channelBuffer channel buffer instance
+ */
+ public void readFrom(ChannelBuffer channelBuffer) {
+ byte[] tempByteArray = new byte[tlvLength()];
+ channelBuffer.readBytes(tempByteArray, 0, tlvLength());
+ int maxBandwidth = (IsisUtil.byteToInteger(tempByteArray));
+ this.setMaximumBandwidth(Float.intBitsToFloat(maxBandwidth));
+ }
+
+ /**
+ * Returns byte array of maximum reservable bandwidth.
+ *
+ * @return byte array of maximum reservable bandwidth
+ */
+ public byte[] asBytes() {
+ byte[] linkSubType = null;
+
+ byte[] linkSubTlvHeader = tlvHeaderAsByteArray();
+ byte[] linkSubTlvBody = tlvBodyAsBytes();
+ linkSubType = Bytes.concat(linkSubTlvHeader, linkSubTlvBody);
+ return linkSubType;
+
+ }
+
+ /**
+ * Gets maximum reservable bandwidth sub tlv body as byte array.
+ *
+ * @return byte of maximum reservable bandwidth sub tlv body
+ */
+ public byte[] tlvBodyAsBytes() {
+ byte[] linkSubTypeBody;
+ linkSubTypeBody = IsisUtil.convertToFourBytes(Float.floatToIntBits(this.maximumReservableBandwidth));
+
+ return linkSubTypeBody;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("maximumReservableBandwidth", maximumReservableBandwidth)
+ .toString();
+ }
+}
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