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/SubTlvFinder.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/SubTlvFinder.java
new file mode 100644
index 0000000..7958f53
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+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/SubTlvFinder.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 org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.isis.io.isispacket.tlv.TlvHeader;
+
+/**
+ * Representation of sub tlv finder.
+ */
+public final class SubTlvFinder {
+ /**
+ * Creates an instance.
+ */
+ private SubTlvFinder() {
+
+ }
+
+ /**
+ * Sets the value for TLV header and to find sub TLV and populate.
+ *
+ * @param tlvHeader tlvHeader
+ * @param channelBuffer byteBuf
+ * @return subTlv traffic engineering sub tlv
+ */
+ public static TrafficEngineeringSubTlv findSubTlv(TlvHeader tlvHeader, ChannelBuffer channelBuffer) {
+
+ TrafficEngineeringSubTlv subTlv = null;
+
+ switch (SubTlvType.get(tlvHeader.tlvType())) {
+ case ADMINISTRATIVEGROUP:
+ AdministrativeGroup administrativeGroup = new AdministrativeGroup(tlvHeader);
+ administrativeGroup.readFrom(channelBuffer);
+ subTlv = administrativeGroup;
+ break;
+ case MAXIMUMBANDWIDTH:
+ MaximumBandwidth maximumBandwidth = new MaximumBandwidth(tlvHeader);
+ maximumBandwidth.readFrom(channelBuffer);
+ subTlv = maximumBandwidth;
+ break;
+ case MAXIMUMRESERVABLEBANDWIDTH:
+ MaximumReservableBandwidth maxResBandwidth = new MaximumReservableBandwidth(tlvHeader);
+ maxResBandwidth.readFrom(channelBuffer);
+ subTlv = maxResBandwidth;
+ break;
+ case TRAFFICENGINEERINGMETRIC:
+ TrafficEngineeringMetric teMetric = new TrafficEngineeringMetric(tlvHeader);
+ teMetric.readFrom(channelBuffer);
+ subTlv = teMetric;
+ break;
+ case UNRESERVEDBANDWIDTH:
+ UnreservedBandwidth unreservedBandwidth = new UnreservedBandwidth(tlvHeader);
+ unreservedBandwidth.readFrom(channelBuffer);
+ subTlv = unreservedBandwidth;
+ break;
+ default:
+ //TODO
+ break;
+ }
+ return subTlv;
+ }
+}
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