content: /*
   * 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.asterix.metadata;
  
  import java.io.IOException;
  import java.net.InetAddress;
  import java.net.ServerSocket;
  import java.rmi.server.RMIServerSocketFactory;
  import java.util.Optional;
  
  import javax.net.ServerSocketFactory;
  
  import org.apache.hyracks.api.network.INetworkSecurityManager;
  
  public class RMIServerFactory implements RMIServerSocketFactory {
  
      // default backlog used by the JDK (e.g. sun.security.ssl.SSLServerSocketFactoryImpl)
      private static final int DEFAULT_BACKLOG = 50;
      private final INetworkSecurityManager securityManager;
  
      private RMIServerFactory(INetworkSecurityManager securityManager) {
          this.securityManager = securityManager;
      }
  
      public static RMIServerSocketFactory getSocketFactory(INetworkSecurityManager securityManager) {
          return new RMIServerFactory(securityManager);
      }
  
      @Override
      public ServerSocket createServerSocket(int port) throws IOException {
          ServerSocketFactory socketFactory;
          if (securityManager.getConfiguration().isSslEnabled()) {
              socketFactory = securityManager.newSSLContext(false).getServerSocketFactory();
          } else {
              socketFactory = ServerSocketFactory.getDefault();
          }
          Optional<InetAddress> rmiBindAddress = securityManager.getConfiguration().getRMIBindAddress();
          if (rmiBindAddress.isPresent()) {
              return socketFactory.createServerSocket(port, DEFAULT_BACKLOG, rmiBindAddress.get());
          } else {
              return socketFactory.createServerSocket(port);
          }
      }
  }
  