/*
 * 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.apache.zookeeper.common;

import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class BusyServer implements AutoCloseable {
    private final ServerSocket server;
    private final Socket client;

    public BusyServer() throws IOException {
        this.server = new ServerSocket(0, 1, InetAddress.getByName("127.0.0.1"));
        this.client = new Socket("127.0.0.1", server.getLocalPort());
    }

    public int getLocalPort() {
        return server.getLocalPort();
    }

    public String getHostPort() {
        return String.format("127.0.0.1:%d", getLocalPort());
    }

    @Override
    public void close() throws Exception {
        client.close();
        server.close();
    }
}
