/*
 * Copyright 2018 NAVER Corp.
 *
 * 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 com.navercorp.pinpoint.plugin.cassandra;

import java.net.ServerSocket;

/**
 * @author HyunGil Jeong
 */
public class CassandraTestHelper {

    private CassandraTestHelper() {
    }

    public static int findAvailablePortOrDefault(int defaultPort) {
        try {
            ServerSocket ss = null;
            try {
                ss = new ServerSocket(0);
                ss.setReuseAddress(true);
                return ss.getLocalPort();
            } finally {
                if (ss != null) {
                    ss.close();
                }
            }
        } catch (Exception e) {
            // just ignore and return default
            return defaultPort;
        }
    }
}
