content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * 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
   *
   * https://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 io.aeron.test;
  
  import java.net.InetAddress;
  import java.net.ServerSocket;
  
  public class NetworkTestingUtil
  {
      /**
       * Return an error message if this address can't be bound, null if successful.
       *
       * @param address The address to attempt to bind to.
       * @return null if successful, error message otherwise.
       */
      @SuppressWarnings("try")
      public static String isBindAddressAvailable(final String address)
      {
          try (ServerSocket ignored = new ServerSocket(0, 1024, InetAddress.getByName(address)))
          {
              return null;
          }
          catch (final Exception ex)
          {
              return "Binding to " + address + " failed, error: " + ex.getMessage();
          }
      }
  }
  