1 /* 2 * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package sun.rmi.transport.tcp; 26 27 import java.io.IOException; 28 import java.net.InetSocketAddress; 29 import java.net.Socket; 30 import java.net.ServerSocket; 31 import java.rmi.server.RMISocketFactory; 32 33 /** 34 * RMIDirectSocketFactory creates a direct socket connection to the 35 * specified port on the specified host. 36 */ 37 public class TCPDirectSocketFactory extends RMISocketFactory { 38 39 public Socket createSocket(String host, int port) throws IOException 40 { 41 return new Socket(host, port); 42 } 43 44 public ServerSocket createServerSocket(int port) throws IOException 45 { 46 ServerSocket ss = new ServerSocket(); 47 if (port == 0) { 48 // Only need SO_REUSEADDR if we're using a fixed port. If we 49 // start seeing EADDRINUSE due to collisions in free ports 50 // then we should retry the bind() a few times. 51 ss.setReuseAddress(false); 52 } 53 ss.bind(new InetSocketAddress(port)); 54 return ss; 55 } 56 }