--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/krb5/internal/UDPClient.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,96 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ *
+ *  (C) Copyright IBM Corp. 1999 All Rights Reserved.
+ *  Copyright 1997 The Open Group Research Institute.  All rights reserved.
+ */
+
+package sun.security.krb5.internal;
+
+import java.io.*;
+import java.net.*;
+
+public class UDPClient {
+    InetAddress iaddr;
+    int iport;
+    int bufSize = 65507;
+    DatagramSocket dgSocket;
+    DatagramPacket dgPacketIn;
+
+    public UDPClient(InetAddress newIAddr, int port)
+        throws SocketException {
+        iaddr = newIAddr;
+        iport = port;
+        dgSocket = new DatagramSocket();
+    }
+
+    public UDPClient(String hostname, int port)
+        throws UnknownHostException, SocketException {
+        iaddr = InetAddress.getByName(hostname);
+        iport = port;
+        dgSocket = new DatagramSocket();
+    }
+
+    public UDPClient(String hostname, int port, int timeout)
+        throws UnknownHostException, SocketException {
+        iaddr = InetAddress.getByName(hostname);
+        iport = port;
+        dgSocket = new DatagramSocket();
+        dgSocket.setSoTimeout(timeout);
+    }
+
+    public void setBufSize(int newBufSize) {
+        bufSize = newBufSize;
+    }
+
+    public InetAddress getInetAddress() {
+        if (dgPacketIn != null)
+            return dgPacketIn.getAddress();
+        return null;
+    }
+
+    public void send(byte[] data) throws IOException {
+        DatagramPacket dgPacketOut = new DatagramPacket(data, data.length,
+                                                        iaddr, iport);
+        dgSocket.send(dgPacketOut);
+    }
+
+    public byte[] receive() throws IOException {
+        byte ibuf[] = new byte[bufSize];
+        dgPacketIn = new DatagramPacket(ibuf, ibuf.length);
+        try {
+            dgSocket.receive(dgPacketIn);
+        }
+        catch (SocketException e) {
+            dgSocket.receive(dgPacketIn);
+        }
+        byte[] data = new byte[dgPacketIn.getLength()];
+        System.arraycopy(dgPacketIn.getData(), 0, data, 0,
+                         dgPacketIn.getLength());
+        return data;
+    }
+
+}