Package io.undertow.util

Examples of io.undertow.util.CompletionLatchHandler

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    public void testLogLotsOfThreads() throws IOException, InterruptedException, ExecutionException {
        File directory = logDirectory;
        File logFileName = new File(directory, "server2.log");

        DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), directory, "server2");
        CompletionLatchHandler latchHandler;
        DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(NUM_REQUESTS * NUM_THREADS, new AccessLogHandler(HELLO_HANDLER, logReceiver, "REQ %{i,test-header}", AccessLogFileTestCase.class.getClassLoader())));

        ExecutorService executor = Executors.newFixedThreadPool(NUM_THREADS);
        try {

            final List<Future<?>> futures = new ArrayList<Future<?>>();
            for (int i = 0; i < NUM_THREADS; ++i) {
                final int threadNo = i;
                futures.add(executor.submit(new Runnable() {
                    @Override
                    public void run() {
                        TestHttpClient client = new TestHttpClient();
                        try {
                            for (int i = 0; i < NUM_REQUESTS; ++i) {
                                HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
                                get.addHeader("test-header", "thread-" + threadNo + "-request-" + i);
                                HttpResponse result = client.execute(get);
                                Assert.assertEquals(200, result.getStatusLine().getStatusCode());
                                final String response = HttpClientUtils.readResponse(result);
                                Assert.assertEquals("Hello", response);
                            }
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        } finally {
                            client.getConnectionManager().shutdown();
                        }
                    }
                }));
            }
            for (Future<?> future : futures) {
                future.get();
            }

        } finally {
            executor.shutdown();
        }
        latchHandler.await();
        logReceiver.awaitWrittenForTest();
        String completeLog = FileUtils.readFile(logFileName);
        for (int i = 0; i < NUM_THREADS; ++i) {
            for (int j = 0; j < NUM_REQUESTS; ++j) {
                Assert.assertTrue(completeLog.contains("REQ thread-" + i + "-request-" + j));
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    private static MetricsHandler metricsHandler;
    private static CompletionLatchHandler latchHandler;
    @BeforeClass
    public static void setup() {
        DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(metricsHandler = new MetricsHandler(new HttpHandler() {
            @Override
            public void handleRequest(HttpServerExchange exchange) throws Exception {
                Thread.sleep(100);
                exchange.getResponseSender().send("Hello");
            }
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    @Test
    public void testForcedLogRotation() throws IOException, InterruptedException {
        File logFileName = new File(logDirectory, "server.log");

        DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), logDirectory, "server");
        CompletionLatchHandler latchHandler;
        DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(new AccessLogHandler(HELLO_HANDLER, logReceiver, "Remote address %a Code %s test-header %{i,test-header}", AccessLogFileTestCase.class.getClassLoader())));
        TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
            get.addHeader("test-header", "v1");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(200, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
            latchHandler.await();
            latchHandler.reset();
            logReceiver.awaitWrittenForTest();
            Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v1\n", FileUtils.readFile(logFileName));
            logReceiver.rotate();
            logReceiver.awaitWrittenForTest();
            Assert.assertFalse(logFileName.exists());
            File firstLogRotate = new File(logDirectory, "server_" + new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + ".log");
            Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v1\n", FileUtils.readFile(firstLogRotate));

            get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
            get.addHeader("test-header", "v2");
            result = client.execute(get);
            Assert.assertEquals(200, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
            latchHandler.await();
            latchHandler.reset();
            logReceiver.awaitWrittenForTest();
            Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v2\n", FileUtils.readFile(logFileName));
            logReceiver.rotate();
            logReceiver.awaitWrittenForTest();
            Assert.assertFalse(logFileName.exists());
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        DeploymentManager manager = container.addDeployment(builder);
        manager.deploy();
        root.addPrefixPath(builder.getContextPath(), manager.start());

        DefaultServer.setRootHandler(completionLatchHandler = new CompletionLatchHandler(root));
    }
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Related Classes of io.undertow.util.CompletionLatchHandler

  • io.undertow.server.ExchangeCompletionListener
  • io.undertow.server.handlers.accesslog.AccessLogFileTestCase
  • io.undertow.server.handlers.JDBCLogDatabaseTestCase
  • io.undertow.server.handlers.MetricsHandlerTestCase
  • io.undertow.servlet.test.metrics.ServletMetricsHandlerTestCase
  • java.util.concurrent.CountDownLatch
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