--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/ipv6tests/Tests.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,352 @@
+/*
+ * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
+ * 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.
+ *
+ * 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.
+ */
+
+import java.net.*;
+import java.io.*;
+import java.util.*;
+
+public class Tests {
+ /**
+ * performs a simple exchange of data between the two sockets
+ * and throws an exception if there is any problem.
+ */
+ public static void simpleDataExchange (Socket s1, Socket s2)
+ throws Exception {
+
+ InputStream i1 = s1.getInputStream();
+ InputStream i2 = s2.getInputStream();
+ OutputStream o1 = s1.getOutputStream();
+ OutputStream o2 = s2.getOutputStream();
+
+ simpleWrite (o1, 100);
+ simpleWrite (o2, 200);
+ simpleRead (i2, 100);
+ simpleRead (i1, 200);
+ }
+
+ /**
+ * Send a packet from s1 to s2 (ia2/s2.localPort) and check it
+ * Send a packet from s2 to s1 (ia1/s1.localPort) and check it
+ */
+ public static void simpleDataExchange (DatagramSocket s1, InetAddress ia1,
+ DatagramSocket s2, InetAddress ia2)
+ throws Exception {
+
+ SocketAddress dest1 = new InetSocketAddress (ia1, s1.getLocalPort());
+ dprintln ("dest1 = " + dest1);
+ SocketAddress dest2 = new InetSocketAddress (ia2, s2.getLocalPort());
+ dprintln ("dest2 = " + dest2);
+
+ byte[] ba = "Hello world".getBytes();
+ byte[] bb = "HELLO WORLD1".getBytes();
+ DatagramPacket p1 = new DatagramPacket (ba, ba.length, dest1);
+ DatagramPacket p2 = new DatagramPacket (ba, ba.length, dest2);
+
+ DatagramPacket r1 = new DatagramPacket (new byte[256], 256);
+ DatagramPacket r2 = new DatagramPacket (new byte[256], 256);
+
+ s2.send (p1);
+ s1.send (p2);
+ s1.receive (r1);
+ s2.receive (r2);
+ comparePackets (p1, r1);
+ comparePackets (p2, r2);
+ }
+
+ /**
+ * Send a packet from s1 to s2 (ia2/s2.localPort) and send same packet
+ * back from s2 to sender. Check s1 receives original packet
+ */
+
+ public static void datagramEcho (DatagramSocket s1, DatagramSocket s2,
+ InetAddress ia2)
+ throws Exception {
+
+ byte[] ba = "Hello world".getBytes();
+ DatagramPacket p1;
+
+ SocketAddress dest2 = null;
+ if (ia2 != null) {
+ dest2 = new InetSocketAddress (ia2, s2.getLocalPort());
+ p1 = new DatagramPacket (ba, ba.length, dest2);
+ } else {
+ p1 = new DatagramPacket (ba, ba.length);
+ }
+
+ dprintln ("dest2 = " + dest2);
+
+
+ DatagramPacket r1 = new DatagramPacket (new byte[256], 256);
+ DatagramPacket r2 = new DatagramPacket (new byte[256], 256);
+
+ s1.send (p1);
+ s2.receive (r1);
+ s2.send (r1);
+ s1.receive (r2);
+ comparePackets (p1, r1);
+ comparePackets (p1, r2);
+ }
+
+ public static void comparePackets (DatagramPacket p1, DatagramPacket p2)
+ throws Exception {
+
+ byte[] b1 = p1.getData();
+ byte[] b2 = p2.getData();
+ int len = p1.getLength () > p2.getLength() ? p2.getLength()
+ : p1.getLength();
+ for (int i=0; i<len; i++) {
+ if (b1[i] != b2[i]) {
+ throw new Exception ("packets not the same");
+ }
+ }
+ }
+
+ /* check the time got is within 20% of the time expected */
+ public static void checkTime (long got, long expected) {
+ dprintln ("checkTime: got " + got + " expected " + expected);
+ long upper = expected + (expected / 5);
+ long lower = expected - (expected / 5);
+ if (got > upper || got < lower) {
+ throw new RuntimeException ("checkTime failed: got " + got + " expected " + expected);
+ }
+ }
+
+ static boolean debug = false;
+
+ public static void checkDebug (String[] args) {
+ debug = args.length > 0 && args[0].equals("-d");
+ }
+
+ public static void dprint (String s) {
+ if (debug) {
+ System.out.print (s);
+ }
+ }
+
+ public static void dprintln (String s) {
+ if (debug) {
+ System.out.println (s);
+ }
+ }
+
+ static int numberInterfaces () {
+ try {
+ Enumeration ifs = NetworkInterface.getNetworkInterfaces();
+ int nifs=0;
+ while (ifs.hasMoreElements()) {
+ nifs++;
+ ifs.nextElement();
+ }
+ return nifs;
+ } catch (SocketException e) {
+ return 0;
+ }
+ }
+
+ public static Enumeration ipv4Addresses() {
+ return new AddrEnum (Inet4Address.class);
+ }
+
+ public static Inet4Address getFirstLocalIPv4Address () {
+ Enumeration e = ipv4Addresses();
+ if (!e.hasMoreElements()) {
+ return null;
+ }
+ return (Inet4Address)e.nextElement();
+ }
+
+ public static Inet6Address getFirstLocalIPv6Address () {
+ Enumeration e = ipv6Addresses();
+ if (!e.hasMoreElements()) {
+ return null;
+ }
+ return (Inet6Address)e.nextElement();
+ }
+
+ public static Enumeration ipv6Addresses() {
+ return new AddrEnum (Inet6Address.class);
+ }
+
+ /* enumerates the Inet4Addresses or Inet6Addresses on the system */
+
+ private static class AddrEnum implements Enumeration {
+
+ Enumeration ifs;
+ NetworkInterface currIf = null;
+ InetAddress nextAddr=null;
+ Enumeration addrs=null;
+ Class filter;
+
+ static final byte[] fe80_loopback = new byte [] {
+ (byte)0xfe,(byte)0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,1
+ };
+
+ AddrEnum (Class filter) {
+ this.filter = filter;
+ try {
+ ifs = NetworkInterface.getNetworkInterfaces();
+ } catch (SocketException e) {}
+ }
+
+ public boolean hasMoreElements () {
+ if (nextAddr == null) {
+ nextAddr = getNext();
+ }
+ return (nextAddr != null);
+ }
+
+ public Object nextElement () {
+ if (!hasMoreElements()) {
+ throw new NoSuchElementException ("no more addresses");
+ }
+ Object next = nextAddr;
+ nextAddr = null;
+ return next;
+ }
+
+ private InetAddress getNext() {
+ while (true) {
+ if (currIf == null) {
+ currIf = getNextIf();
+ if (currIf == null) {
+ return null;
+ }
+ addrs = currIf.getInetAddresses();
+ }
+ while (addrs.hasMoreElements()) {
+ InetAddress addr = (InetAddress) addrs.nextElement();
+ if (filter.isInstance (addr) && !addr.isLoopbackAddress()) {
+ if (Arrays.equals (addr.getAddress(), fe80_loopback)) {
+ continue;
+ }
+ return addr;
+ }
+ }
+ currIf = null;
+ }
+ }
+
+ private NetworkInterface getNextIf () {
+ while (ifs.hasMoreElements()) {
+ NetworkInterface nic = (NetworkInterface)ifs.nextElement();
+ try {
+ if (nic.isUp() && !nic.isLoopback())
+ return nic;
+ } catch (SocketException e) {
+ // ignore
+ }
+ }
+
+ return null;
+ }
+ }
+
+ /**
+ * Throws a RuntimeException if the boolean condition is false
+ */
+ public static void t_assert (boolean assertion) {
+ if (assertion) {
+ return;
+ }
+ Throwable t = new Throwable();
+ StackTraceElement[] strace = t.getStackTrace();
+ String msg = "Assertion failed at: " + strace[1].toString();
+ throw new RuntimeException (msg);
+ }
+
+ private static void simpleRead (InputStream is, int start) throws Exception {
+ byte b[] = new byte [2];
+ for (int i=start; i<start+100; i++) {
+ int x = is.read (b);
+ if (x == 1) {
+ x += is.read (b,1,1);
+ }
+ if (x!=2) {
+ throw new Exception ("read error");
+ }
+ int r = bytes (b[0], b[1]);
+ if (r != i) {
+ throw new Exception ("read " + r + " expected " +i);
+ }
+ }
+ }
+
+ /* convert signed bytes to unisigned int */
+ private static int bytes (byte b1, byte b2) {
+ int i1 = (int)b1 & 0xFF;
+ int i2 = (int)b2 & 0xFF;
+ return i1 * 256 + i2;
+ }
+
+ static void simpleWrite (OutputStream os, int start) throws Exception {
+ byte b[] = new byte [2];
+ for (int i=start; i<start+100; i++) {
+ b[0] = (byte) (i / 256);
+ b[1] = (byte) (i % 256);
+ os.write (b);
+ }
+ }
+
+ private static class Runner extends Thread {
+ Runnable runnee;
+ long delay;
+
+ Runner (Runnable runnee, long delay) {
+ super();
+ this.runnee = runnee;
+ this.delay = delay;
+ }
+
+ public void run () {
+ try {
+ Thread.sleep (delay);
+ runnee.run ();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ /*
+ * Take the given Runnable and run it in a spawned thread
+ * after the given time has elapsed. runAfter() returns immediately
+ */
+ public static void runAfter (long millis, Runnable runnee) {
+ Runner runner = new Runner (runnee, millis);
+ runner.start ();
+ }
+
+ static String osname;
+
+ static {
+ osname = System.getProperty ("os.name");
+ }
+
+ static boolean isLinux () {
+ return osname.equals ("Linux");
+ }
+
+ static boolean isWindows () {
+ return osname.startsWith ("Windows");
+ }
+}