136 lines
4.2 KiB
Java
136 lines
4.2 KiB
Java
/*
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* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 4413768
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* @summary Checking that PortUnreachableException is thrown when
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* ICMP Port Unreachable is received.
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*/
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import java.net.*;
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import java.util.Properties;
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public class Test {
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/*
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* Return an available port
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*/
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int getPort() throws Exception {
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DatagramSocket s = new DatagramSocket(0);
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int port = s.getLocalPort();
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s.close();
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return port;
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}
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/*
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* Perform test by sending to remote_host:port
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* sendOnly => send datagram to host and expect PUE on subsequent
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* send
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* !sendOnly => send datagram to host and expect PUE on subsequent
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* send or receive.
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*/
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void doTest(String remote_host, int port, boolean sendOnly) throws Exception {
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System.out.println("***");
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System.out.println("Test Description:");
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System.out.println(" DatagramSocket.connect");
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System.out.println(" Loop: DatagramSocket.send");
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if (!sendOnly) {
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System.out.println(" DatagramSocket.receive");
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}
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System.out.println("");
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System.out.println("Test Run:");
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InetAddress ia = InetAddress.getByName(remote_host);
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DatagramSocket s = new DatagramSocket(0);
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s.setSoTimeout(1000);
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s.connect(ia, port);
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byte[] b = "Hello".getBytes();
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DatagramPacket p1 = new DatagramPacket(b, b.length, ia, port);
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DatagramPacket p2 = new DatagramPacket(b, b.length);
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int i = 0;
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boolean gotPUE = false;
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do {
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System.out.println("Sending datagram to unreachable port...");
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try {
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s.send(p1);
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} catch (PortUnreachableException e) {
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System.out.println("DatagramSocket.send threw PUE");
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gotPUE = true;
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}
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if (!gotPUE) {
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Thread.currentThread().sleep(1000);
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}
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if (!sendOnly && !gotPUE) {
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System.out.println("DatagramSocket.receive...");
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try {
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s.receive(p2);
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} catch (PortUnreachableException e) {
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System.out.println("DatagramSocket.receive threw PUE");
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gotPUE = true;
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} catch (SocketTimeoutException e) {
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System.out.println("DatagramSocket.receive timed out - no PUE");
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}
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}
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i++;
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} while (i < 10 && !gotPUE);
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if (!gotPUE) {
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System.out.println("DatagramSocket.{send,receive} didn't throw " +
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"PortUnreachableException - passing anyway!");
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} else {
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System.out.println(" Test passed.");
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}
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System.out.println("");
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}
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/*
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* Perform tests via remote_host.
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*/
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Test(String remote_host) throws Exception {
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int port = getPort();
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doTest(remote_host, port, true);
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doTest(remote_host, port, false);
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}
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public static void main(String args[]) throws Exception {
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String remote_host = "localhost";
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if (args.length > 0) {
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remote_host = args[0];
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}
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new Test(remote_host);
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}
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}
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