Implement packet seriailizer and deserializer for LACP
Change-Id: Idbbd87a3ddeb477cac49a65e6a5c768761019e11
diff --git a/utils/misc/src/main/java/org/onlab/packet/lacp/LacpCollectorTlv.java b/utils/misc/src/main/java/org/onlab/packet/lacp/LacpCollectorTlv.java
new file mode 100644
index 0000000..e2d7039
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/lacp/LacpCollectorTlv.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.onlab.packet.lacp;
+
+import com.google.common.base.Objects;
+import org.onlab.packet.Deserializer;
+
+import java.nio.ByteBuffer;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static org.onlab.packet.PacketUtils.checkInput;
+
+/**
+ * Represents LACP collector information.
+ */
+public class LacpCollectorTlv extends LacpTlv {
+ public static final byte LENGTH = 16;
+ private static final byte[] RESERVED = new byte[12];
+
+ private short collectorMaxDelay;
+
+ /**
+ * Gets collector max delay.
+ *
+ * @return collector max delay
+ */
+ public short getCollectorMaxDelay() {
+ return collectorMaxDelay;
+ }
+
+ /**
+ * Sets collector max delay.
+ *
+ * @param collectorMaxDelay collector max delay
+ * @return this
+ */
+ public LacpCollectorTlv setCollectorMaxDelay(short collectorMaxDelay) {
+ this.collectorMaxDelay = collectorMaxDelay;
+ return this;
+ }
+
+ /**
+ * Deserializer function for LacpCollectorTlv packets.
+ *
+ * @return deserializer function
+ */
+ public static Deserializer<LacpCollectorTlv> deserializer() {
+ return (data, offset, length) -> {
+ checkInput(data, offset, length, LENGTH - HEADER_LENGTH);
+
+ LacpCollectorTlv lacpCollectorTlv = new LacpCollectorTlv();
+ ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+
+ lacpCollectorTlv.setCollectorMaxDelay(bb.getShort());
+
+ return lacpCollectorTlv;
+ };
+ }
+
+ @Override
+ public byte[] serialize() {
+ final byte[] data = new byte[LENGTH - HEADER_LENGTH];
+
+ final ByteBuffer bb = ByteBuffer.wrap(data);
+ bb.putShort(this.collectorMaxDelay);
+ bb.put(RESERVED);
+
+ return data;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!super.equals(obj)) {
+ return false;
+ }
+ if (!(obj instanceof LacpCollectorTlv)) {
+ return false;
+ }
+ final LacpCollectorTlv other = (LacpCollectorTlv) obj;
+ return this.collectorMaxDelay == other.collectorMaxDelay;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(super.hashCode(), collectorMaxDelay);
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(getClass())
+ .add("collectorMaxDelay", Short.toString(collectorMaxDelay))
+ .toString();
+ }
+}