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/*
* Copyright (c) 2001, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4417734
* @key intermittent
* @summary Test that we get a BindException in all expected combinations
* @library /test/lib
* @build jdk.test.lib.NetworkConfiguration
* jdk.test.lib.Platform
* @run main Test -d
*/
import java.net.*;
import java.util.Enumeration;
import jdk.test.lib.NetworkConfiguration;
public class Test {
static Object[][] getTestCombinations() {
return new Object[][] {
{ "ServerSocket", "Socket" },
{ "Socket", "Socket" },
{ "DatagramSocket", "DatagramSocket" },
};
}
static InetAddress ia4_this;
static InetAddress ia6_this;
static int count;
static int failures;
static boolean retried;
static void doTest(Object test[], InetAddress ia1, InetAddress ia2,
boolean silent) throws Exception {
/*
* Increment test count
*/
count++;
doTest(test, count, ia1, ia2, silent, !retried);
}
static void doTest(Object test[], int count, InetAddress ia1, InetAddress ia2,
boolean silent, boolean retry) throws Exception {
String s1_type = (String)test[0];
String s2_type = (String)test[1];
int port = 0;
/*
* Do the test
*/
boolean gotBindException = false;
boolean failed = false;
Exception failed_exc = null;
Socket sock1 = null;
ServerSocket ss = null;
DatagramSocket dsock1 = null;
boolean firstBound = false;
try {
/* bind the first socket */
if (s1_type.equals("Socket")) {
sock1 = new Socket();
sock1.bind( new InetSocketAddress(ia1, 0));
port = sock1.getLocalPort();
}
if (s1_type.equals("ServerSocket")) {
ss = new ServerSocket(0, 0, ia1);
port = ss.getLocalPort();
}
if (s1_type.equals("DatagramSocket")) {
dsock1 = new DatagramSocket( new InetSocketAddress(ia1, 0) );
port = dsock1.getLocalPort();
}
/* bind the second socket */
// The fact that the port was available for ia1 does not
// guarantee that it will also be available for ia2 as something
// else might already be bound to that port.
// For the sake of test stability we will retry once in
// case of unexpected bind exception.
firstBound = true;
if (s2_type.equals("Socket")) {
try (Socket sock2 = new Socket()) {
sock2.bind( new InetSocketAddress(ia2, port));
}
}
if (s2_type.equals("ServerSocket")) {
try (ServerSocket ss2 = new ServerSocket(port, 0, ia2)) { }
}
if (s2_type.equals("DatagramSocket")) {
try (DatagramSocket ds =
new DatagramSocket(new InetSocketAddress(ia2, port))) { }
}
} catch (BindException be) {
gotBindException = true;
failed_exc = be;
} catch (Exception e) {
failed = true;
failed_exc = e;
} finally {
if (sock1 != null) sock1.close();
if (ss != null) ss.close();
if (dsock1 != null) dsock1.close();
}
/*
* Did we expect a BindException?
*/
boolean expectedBindException = true;
if (ia1 == ia4_this && ia2 == ia6_this) {
expectedBindException = false;
}
if (ia1 == ia6_this && ia2 == ia4_this) {
expectedBindException = false;
}
/*
* Did it fail?
*/
if (!failed && gotBindException != expectedBindException) {
failed = true;
}
/*
* If test passed and running in silent mode then exit
*/
if (!failed && silent) {
return;
}
if (failed && retry && firstBound) {
// retry once at the first failure only
retried = true;
if (!silent) {
System.out.println("");
System.out.println("**************************");
System.out.println("Test " + count + ": Retrying...");
}
doTest(test, count, ia1, ia2, silent, false);
return;
}
if (failed || !silent) {
System.out.println("");
System.out.println("**************************");
System.out.println("Test " + count);
System.out.println(s1_type + " binds: " + ia1 + " port: " + port);
System.out.println(s2_type + " binds: " + ia2);
if (!failed) {
if (gotBindException) {
System.out.println("Got expected BindException - test passed!");
failed_exc.printStackTrace(System.out);
} else {
System.out.println("No BindException as expected - test passed!");
}
return;
}
}
if (gotBindException) {
System.out.println("BindException unexpected - test failed!!!");
failed_exc.printStackTrace(System.out);
} else {
System.out.println("No bind failure as expected - test failed!!!");
}
failures++;
}
public static void main(String args[]) throws Exception {
boolean silent = true;
if (args.length > 0) {
if (args[0].equals("-d")) {
silent = false;
}
}
/*
* Test needs an IPv4 and IPv6 address to run.
*/
Enumeration nifs = NetworkInterface.getNetworkInterfaces();
while (nifs.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface)nifs.nextElement();
Enumeration addrs = ni.getInetAddresses();
while (addrs.hasMoreElements()) {
InetAddress ia = (InetAddress)addrs.nextElement();
if (ia.isLoopbackAddress() || ia.isAnyLocalAddress()) {
continue;
}
if ((ia instanceof Inet4Address) && (ia4_this == null)) {
ia4_this = ia;
}
if ((ia instanceof Inet6Address) && (ia6_this == null)) {
ia6_this = ia;
}
}
}
/*
* Perform tests on all combinations of IPv4 and IPv6
* addresses.
*/
InetAddress addrs[] = { ia4_this, ia6_this };
if (!silent) {
System.out.println("Using ia4_this:" + ia4_this);
System.out.println("Using ia6_this:" + ia6_this);
}
Object tests[][] = getTestCombinations();
for (int i=0; i<tests.length; i++) {
Object test[] = tests[i];
for (int j=0; j<addrs.length; j++) {
for (int k=0; k<addrs.length; k++) {
if (addrs[j] == null || addrs[k] == null) {
continue;
}
doTest( test, addrs[j], addrs[k], silent);
}
}
}
System.out.println("");
System.out.println(count + " test(s) executed. " + failures + " failure(s).");
if (failures > 0) {
System.err.println("********************************");
NetworkConfiguration.printSystemConfiguration(System.err);
System.out.println("********************************");
throw new Exception(failures + " tests(s) failed - see log");
}
}
}
¤ Dauer der Verarbeitung: 0.2 Sekunden
(vorverarbeitet)
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