/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.nio;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Test message for measuring rate and round-trip latency.
 */
public class TestMessage extends AbstractMessage {

    private final byte[] padding;

    private final long requestorTime;
    private final long responderTime;

    /**
     * Creates a new message with the specified data.
     *
     * @param requestorTime requester time
     * @param responderTime responder time
     * @param padding       message padding
     */
    TestMessage(int length, long requestorTime, long responderTime, byte[] padding) {
        this.length = length;
        this.requestorTime = requestorTime;
        this.responderTime = responderTime;
        this.padding = checkNotNull(padding, "Padding cannot be null");
    }

    public long requestorTime() {
        return requestorTime;
    }

    public long responderTime() {
        return responderTime;
    }

    public byte[] padding() {
        return padding;
    }

}