1 /*
   2  * Copyright (c) 2004, 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 
  26 package com.sun.corba.se.impl.transport;
  27 
  28 import java.io.IOException;
  29 import java.net.InetSocketAddress;
  30 import java.net.Socket;
  31 import java.net.SocketException;
  32 import java.net.ServerSocket;
  33 import java.nio.channels.SocketChannel;
  34 import java.nio.channels.ServerSocketChannel;
  35 import java.security.PrivilegedAction;
  36 
  37 import com.sun.corba.se.pept.transport.Acceptor;
  38 
  39 import com.sun.corba.se.spi.orb.ORB;
  40 import com.sun.corba.se.spi.transport.ORBSocketFactory;
  41 
  42 import com.sun.corba.se.impl.orbutil.ORBConstants;
  43 
  44 public class DefaultSocketFactoryImpl
  45     implements ORBSocketFactory
  46 {
  47     private ORB orb;
  48     private static boolean keepAlive = false;
  49 
  50     static {
  51         java.security.AccessController.doPrivileged(
  52             new PrivilegedAction<Void>() {
  53                 @Override
  54                 public Void run () {
  55                     String value =
  56                         System.getProperty("com.sun.CORBA.transport.enableTcpKeepAlive");
  57                     if (value != null)
  58                         keepAlive = !"false".equalsIgnoreCase(value);
  59 
  60                     return null;
  61                 }
  62             });
  63     }
  64 
  65     public void setORB(ORB orb)
  66     {
  67         this.orb = orb;
  68     }
  69 
  70     public ServerSocket createServerSocket(String type,
  71                                            InetSocketAddress inetSocketAddress)
  72         throws IOException
  73     {
  74         ServerSocketChannel serverSocketChannel = null;
  75         ServerSocket serverSocket = null;
  76 
  77         if (orb.getORBData().acceptorSocketType().equals(ORBConstants.SOCKETCHANNEL)) {
  78             serverSocketChannel = ServerSocketChannel.open();
  79             serverSocket = serverSocketChannel.socket();
  80         } else {
  81             serverSocket = new ServerSocket();
  82         }
  83         serverSocket.bind(inetSocketAddress);
  84         return serverSocket;
  85     }
  86 
  87     public Socket createSocket(String type,
  88                                InetSocketAddress inetSocketAddress)
  89         throws IOException
  90     {
  91         SocketChannel socketChannel = null;
  92         Socket socket = null;
  93 
  94         if (orb.getORBData().connectionSocketType().equals(ORBConstants.SOCKETCHANNEL)) {
  95             socketChannel = SocketChannel.open(inetSocketAddress);
  96             socket = socketChannel.socket();
  97         } else {
  98             socket = new Socket(inetSocketAddress.getHostName(),
  99                                 inetSocketAddress.getPort());
 100         }
 101 
 102         // Disable Nagle's algorithm (i.e., always send immediately).
 103         socket.setTcpNoDelay(true);
 104 
 105         if (keepAlive)
 106             socket.setKeepAlive(true);
 107 
 108         return socket;
 109     }
 110 
 111     public void setAcceptedSocketOptions(Acceptor acceptor,
 112                                          ServerSocket serverSocket,
 113                                          Socket socket)
 114         throws SocketException
 115     {
 116         // Disable Nagle's algorithm (i.e., always send immediately).
 117         socket.setTcpNoDelay(true);
 118         if (keepAlive)
 119             socket.setKeepAlive(true);
 120     }
 121 }
 122 
 123 // End of file.