Examples with HttpServlet javax.servlet.http.HttpServlet used on opensource projects

Example 36 with HttpServlet

use of javax.servlet.http.HttpServlet in project jetty.project by eclipse.

the class IdleTimeoutTest method testBufferedReadsResetStreamIdleTimeout.

@Test
public void testBufferedReadsResetStreamIdleTimeout() throws Exception {
    int bufferSize = 8192;
    long delay = 1000;
    start(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            ServletInputStream input = request.getInputStream();
            byte[] buffer = new byte[bufferSize];
            while (true) {
                int read = input.read(buffer);
                Log.getLogger(IdleTimeoutTest.class).info("Read {} bytes", read);
                if (read < 0)
                    break;
                sleep(delay);
            }
        }
    });
    connector.setIdleTimeout(2 * delay);
    Session session = newClient(new Session.Listener.Adapter());
    MetaData.Request metaData = newRequest("POST", new HttpFields());
    HeadersFrame requestFrame = new HeadersFrame(metaData, null, false);
    FuturePromise<Stream> promise = new FuturePromise<>();
    CountDownLatch latch = new CountDownLatch(1);
    session.newStream(requestFrame, promise, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                latch.countDown();
        }
    });
    Stream stream = promise.get(5, TimeUnit.SECONDS);
    // Send data larger than the flow control window.
    // The client will send bytes up to the flow control window immediately
    // and they will be buffered by the server; the Servlet will consume them slowly.
    // Servlet reads should reset the idle timeout.
    int contentLength = FlowControlStrategy.DEFAULT_WINDOW_SIZE + 1;
    ByteBuffer data = ByteBuffer.allocate(contentLength);
    stream.data(new DataFrame(stream.getId(), data, true), Callback.NOOP);
    Assert.assertTrue(latch.await(2 * (contentLength / bufferSize + 1) * delay, TimeUnit.MILLISECONDS));
}

Example 37 with HttpServlet

use of javax.servlet.http.HttpServlet in project jetty.project by eclipse.

the class IdleTimeoutTest method testClientEnforcingStreamIdleTimeout.

@Test
public void testClientEnforcingStreamIdleTimeout() throws Exception {
    final int idleTimeout = 1000;
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            sleep(2 * idleTimeout);
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    final CountDownLatch dataLatch = new CountDownLatch(1);
    final CountDownLatch timeoutLatch = new CountDownLatch(1);
    MetaData.Request metaData = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame = new HeadersFrame(metaData, null, true);
    session.newStream(requestFrame, new Promise.Adapter<Stream>() {

        @Override
        public void succeeded(Stream stream) {
            stream.setIdleTimeout(idleTimeout);
        }
    }, new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            dataLatch.countDown();
        }

        @Override
        public boolean onIdleTimeout(Stream stream, Throwable x) {
            Assert.assertThat(x, Matchers.instanceOf(TimeoutException.class));
            timeoutLatch.countDown();
            return true;
        }
    });
    Assert.assertTrue(timeoutLatch.await(5, TimeUnit.SECONDS));
    // We must not receive any DATA frame.
    Assert.assertFalse(dataLatch.await(2 * idleTimeout, TimeUnit.MILLISECONDS));
    // Stream must be gone.
    Assert.assertTrue(session.getStreams().isEmpty());
    // Session must not be closed, nor disconnected.
    Assert.assertFalse(session.isClosed());
    Assert.assertFalse(((HTTP2Session) session).isDisconnected());
}

Example 38 with HttpServlet

use of javax.servlet.http.HttpServlet in project jetty.project by eclipse.

the class PushCacheFilterTest method testPushReferrerNoPath.

@Test
public void testPushReferrerNoPath() throws Exception {
    final String primaryResource = "/primary.html";
    final String secondaryResource = "/secondary.png";
    final byte[] secondaryData = "SECONDARY".getBytes("UTF-8");
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            String requestURI = req.getRequestURI();
            ServletOutputStream output = resp.getOutputStream();
            if (requestURI.endsWith(primaryResource))
                output.print("<html><head></head><body>PRIMARY</body></html>");
            else if (requestURI.endsWith(secondaryResource))
                output.write(secondaryData);
        }
    });
    final Session session = newClient(new Session.Listener.Adapter());
    // Request for the primary and secondary resource to build the cache.
    // The referrerURI does not point to the primary resource, so there will be no
    // resource association with the primary resource and therefore won't be pushed.
    final String referrerURI = "http://localhost:" + connector.getLocalPort();
    HttpFields primaryFields = new HttpFields();
    MetaData.Request primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch warmupLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream()) {
                // Request for the secondary resource.
                HttpFields secondaryFields = new HttpFields();
                secondaryFields.put(HttpHeader.REFERER, referrerURI);
                MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
                session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

                    @Override
                    public void onData(Stream stream, DataFrame frame, Callback callback) {
                        callback.succeeded();
                        warmupLatch.countDown();
                    }
                });
            }
        }
    });
    Assert.assertTrue(warmupLatch.await(5, TimeUnit.SECONDS));
    // Request again the primary resource, we should not get the secondary resource pushed.
    primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch primaryResponseLatch = new CountDownLatch(1);
    final CountDownLatch pushLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
            return new Adapter() {

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    callback.succeeded();
                    if (frame.isEndStream())
                        pushLatch.countDown();
                }
            };
        }

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream())
                primaryResponseLatch.countDown();
        }
    });
    Assert.assertFalse(pushLatch.await(1, TimeUnit.SECONDS));
    Assert.assertTrue(primaryResponseLatch.await(5, TimeUnit.SECONDS));
}

Example 39 with HttpServlet

use of javax.servlet.http.HttpServlet in project jetty.project by eclipse.

the class PushCacheFilterTest method testPushWithQueryParameters.

@Test
public void testPushWithQueryParameters() throws Exception {
    String name = "foo";
    String value = "bar";
    final String primaryResource = "/primary.html?" + name + "=" + value;
    final String secondaryResource = "/secondary.html?" + name + "=" + value;
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            String requestURI = request.getRequestURI();
            if (requestURI.endsWith(primaryResource)) {
                response.setStatus(HttpStatus.OK_200);
            } else if (requestURI.endsWith(secondaryResource)) {
                String param = request.getParameter(name);
                if (param == null)
                    response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR_500);
                else
                    response.setStatus(HttpStatus.OK_200);
            }
        }
    });
    final Session session = newClient(new Session.Listener.Adapter());
    // Request for the primary and secondary resource to build the cache.
    final String primaryURI = newURI(primaryResource);
    HttpFields primaryFields = new HttpFields();
    MetaData.Request primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch warmupLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream()) {
                // Request for the secondary resource.
                HttpFields secondaryFields = new HttpFields();
                secondaryFields.put(HttpHeader.REFERER, primaryURI);
                MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
                session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

                    @Override
                    public void onHeaders(Stream stream, HeadersFrame frame) {
                        if (frame.isEndStream())
                            warmupLatch.countDown();
                    }
                });
            }
        }
    });
    Assert.assertTrue(warmupLatch.await(5, TimeUnit.SECONDS));
    Thread.sleep(1000);
    // Request again the primary resource, we should get the secondary resource pushed.
    primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch primaryResponseLatch = new CountDownLatch(1);
    final CountDownLatch pushLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
            MetaData metaData = frame.getMetaData();
            Assert.assertTrue(metaData instanceof MetaData.Request);
            MetaData.Request pushedRequest = (MetaData.Request) metaData;
            Assert.assertEquals(contextPath + servletPath + secondaryResource, pushedRequest.getURI().getPathQuery());
            return new Adapter() {

                @Override
                public void onHeaders(Stream stream, HeadersFrame frame) {
                    if (frame.isEndStream()) {
                        MetaData.Response response = (MetaData.Response) frame.getMetaData();
                        if (response.getStatus() == HttpStatus.OK_200)
                            pushLatch.countDown();
                    }
                }
            };
        }

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                primaryResponseLatch.countDown();
        }
    });
    Assert.assertTrue(pushLatch.await(5, TimeUnit.SECONDS));
    Assert.assertTrue(primaryResponseLatch.await(5, TimeUnit.SECONDS));
}

Example 40 with HttpServlet

use of javax.servlet.http.HttpServlet in project jetty.project by eclipse.

the class PushCacheFilterTest method testPushIsReset.

@Test
public void testPushIsReset() throws Exception {
    final String primaryResource = "/primary.html";
    final String secondaryResource = "/secondary.png";
    final byte[] secondaryData = "SECONDARY".getBytes("UTF-8");
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            String requestURI = req.getRequestURI();
            ServletOutputStream output = resp.getOutputStream();
            if (requestURI.endsWith(primaryResource))
                output.print("<html><head></head><body>PRIMARY</body></html>");
            else if (requestURI.endsWith(secondaryResource))
                output.write(secondaryData);
        }
    });
    final Session session = newClient(new Session.Listener.Adapter());
    // Request for the primary and secondary resource to build the cache.
    final String primaryURI = newURI(primaryResource);
    HttpFields primaryFields = new HttpFields();
    MetaData.Request primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch warmupLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream()) {
                // Request for the secondary resource.
                HttpFields secondaryFields = new HttpFields();
                secondaryFields.put(HttpHeader.REFERER, primaryURI);
                MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
                session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

                    @Override
                    public void onData(Stream stream, DataFrame frame, Callback callback) {
                        callback.succeeded();
                        warmupLatch.countDown();
                    }
                });
            }
        }
    });
    Assert.assertTrue(warmupLatch.await(5, TimeUnit.SECONDS));
    // Request again the primary resource, we should get the secondary resource pushed.
    primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch primaryResponseLatch = new CountDownLatch(1);
    final CountDownLatch pushLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
            // Reset the stream as soon as we see the push.
            ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code);
            stream.reset(resetFrame, Callback.NOOP);
            return new Adapter() {

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    callback.succeeded();
                    pushLatch.countDown();
                }
            };
        }

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream())
                primaryResponseLatch.countDown();
        }
    });
    // We should not receive pushed data that we reset.
    Assert.assertFalse(pushLatch.await(1, TimeUnit.SECONDS));
    Assert.assertTrue(primaryResponseLatch.await(5, TimeUnit.SECONDS));
    // Make sure the session is sane by requesting the secondary resource.
    HttpFields secondaryFields = new HttpFields();
    secondaryFields.put(HttpHeader.REFERER, primaryURI);
    MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
    final CountDownLatch secondaryResponseLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream())
                secondaryResponseLatch.countDown();
        }
    });
    Assert.assertTrue(secondaryResponseLatch.await(5, TimeUnit.SECONDS));
}