Examples with Http2Settings io.netty.handler.codec.http2.Http2Settings used on opensource projects

Example 1 with Http2Settings

use of io.netty.handler.codec.http2.Http2Settings in project vert.x by eclipse.

the class HttpUtils method decodeSettings.

static Http2Settings decodeSettings(String base64Settings) {
    try {
        Http2Settings settings = new Http2Settings();
        Buffer buffer = Buffer.buffer(Base64.getUrlDecoder().decode(base64Settings));
        int pos = 0;
        int len = buffer.length();
        while (pos < len) {
            int i = buffer.getUnsignedShort(pos);
            pos += 2;
            long j = buffer.getUnsignedInt(pos);
            pos += 4;
            settings.put((char) i, (Long) j);
        }
        return settings;
    } catch (Exception ignore) {
    }
    return null;
}

Example 2 with Http2Settings

use of io.netty.handler.codec.http2.Http2Settings in project vert.x by eclipse.

the class Http2ConnectionBase method updateSettings.

protected synchronized void updateSettings(Http2Settings settingsUpdate, Handler<AsyncResult<Void>> completionHandler) {
    Context completionContext = completionHandler != null ? context.owner().getOrCreateContext() : null;
    Http2Settings current = handler.decoder().localSettings();
    for (Map.Entry<Character, Long> entry : current.entrySet()) {
        Character key = entry.getKey();
        if (Objects.equals(settingsUpdate.get(key), entry.getValue())) {
            settingsUpdate.remove(key);
        }
    }
    handler.writeSettings(settingsUpdate).addListener(fut -> {
        if (fut.isSuccess()) {
            synchronized (Http2ConnectionBase.this) {
                updateSettingsHandlers.add(() -> {
                    serverSettings.putAll(settingsUpdate);
                    if (completionHandler != null) {
                        completionContext.runOnContext(v -> {
                            completionHandler.handle(Future.succeededFuture());
                        });
                    }
                });
            }
        } else {
            if (completionHandler != null) {
                completionContext.runOnContext(v -> {
                    completionHandler.handle(Future.failedFuture(fut.cause()));
                });
            }
        }
    });
}

Example 3 with Http2Settings

use of io.netty.handler.codec.http2.Http2Settings in project vert.x by eclipse.

the class Http2ServerTest method testServerSettings.

@Test
public void testServerSettings() throws Exception {
    waitFor(2);
    io.vertx.core.http.Http2Settings expectedSettings = TestUtils.randomHttp2Settings();
    expectedSettings.setHeaderTableSize((int) io.vertx.core.http.Http2Settings.DEFAULT_HEADER_TABLE_SIZE);
    server.close();
    server = vertx.createHttpServer(serverOptions);
    Context otherContext = vertx.getOrCreateContext();
    server.connectionHandler(conn -> {
        otherContext.runOnContext(v -> {
            conn.updateSettings(expectedSettings, ar -> {
                assertSame(otherContext, Vertx.currentContext());
                io.vertx.core.http.Http2Settings ackedSettings = conn.settings();
                assertEquals(expectedSettings.getMaxHeaderListSize(), ackedSettings.getMaxHeaderListSize());
                assertEquals(expectedSettings.getMaxFrameSize(), ackedSettings.getMaxFrameSize());
                assertEquals(expectedSettings.getInitialWindowSize(), ackedSettings.getInitialWindowSize());
                assertEquals(expectedSettings.getMaxConcurrentStreams(), ackedSettings.getMaxConcurrentStreams());
                assertEquals(expectedSettings.getHeaderTableSize(), ackedSettings.getHeaderTableSize());
                assertEquals(expectedSettings.get(''), ackedSettings.get(7));
                complete();
            });
        });
    });
    server.requestHandler(req -> {
        fail();
    });
    startServer();
    TestClient client = new TestClient();
    ChannelFuture fut = client.connect(DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, request -> {
        request.decoder.frameListener(new Http2FrameAdapter() {

            AtomicInteger count = new AtomicInteger();

            @Override
            public void onSettingsRead(ChannelHandlerContext ctx, Http2Settings newSettings) throws Http2Exception {
                vertx.runOnContext(v -> {
                    switch(count.getAndIncrement()) {
                        case 0:
                            break;
                        case 1:
                            assertEquals((Long) expectedSettings.getMaxHeaderListSize(), newSettings.maxHeaderListSize());
                            assertEquals((Integer) expectedSettings.getMaxFrameSize(), newSettings.maxFrameSize());
                            assertEquals((Integer) expectedSettings.getInitialWindowSize(), newSettings.initialWindowSize());
                            assertEquals((Long) expectedSettings.getMaxConcurrentStreams(), newSettings.maxConcurrentStreams());
                            assertEquals(null, newSettings.headerTableSize());
                            complete();
                            break;
                        default:
                            fail();
                    }
                });
            }
        });
    });
    fut.sync();
    await();
}

Example 4 with Http2Settings

use of io.netty.handler.codec.http2.Http2Settings in project netty by netty.

the class Http2ConnectionRoundtripTest method encodeViolatesMaxHeaderListSizeCanStillUseConnection.

@Test
public void encodeViolatesMaxHeaderListSizeCanStillUseConnection() throws Exception {
    bootstrapEnv(1, 2, 1, 0, 0);
    final CountDownLatch serverSettingsAckLatch1 = new CountDownLatch(2);
    final CountDownLatch serverSettingsAckLatch2 = new CountDownLatch(3);
    final CountDownLatch clientSettingsLatch1 = new CountDownLatch(3);
    final CountDownLatch serverRevHeadersLatch = new CountDownLatch(1);
    final CountDownLatch clientHeadersLatch = new CountDownLatch(1);
    final CountDownLatch clientDataWrite = new CountDownLatch(1);
    final AtomicReference<Throwable> clientHeadersWriteException = new AtomicReference<Throwable>();
    final AtomicReference<Throwable> clientHeadersWriteException2 = new AtomicReference<Throwable>();
    final AtomicReference<Throwable> clientDataWriteException = new AtomicReference<Throwable>();
    final Http2Headers headers = dummyHeaders();
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocationOnMock) throws Throwable {
            serverSettingsAckLatch1.countDown();
            serverSettingsAckLatch2.countDown();
            return null;
        }
    }).when(serverListener).onSettingsAckRead(any(ChannelHandlerContext.class));
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocationOnMock) throws Throwable {
            clientSettingsLatch1.countDown();
            return null;
        }
    }).when(clientListener).onSettingsRead(any(ChannelHandlerContext.class), any(Http2Settings.class));
    // Manually add a listener for when we receive the expected headers on the server.
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocationOnMock) throws Throwable {
            serverRevHeadersLatch.countDown();
            return null;
        }
    }).when(serverListener).onHeadersRead(any(ChannelHandlerContext.class), eq(5), eq(headers), anyInt(), anyShort(), anyBoolean(), eq(0), eq(true));
    // Set the maxHeaderListSize to 100 so we may be able to write some headers, but not all. We want to verify
    // that we don't corrupt state if some can be written but not all.
    runInChannel(serverConnectedChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Server.encoder().writeSettings(serverCtx(), new Http2Settings().copyFrom(http2Server.decoder().localSettings()).maxHeaderListSize(100), serverNewPromise());
            http2Server.flush(serverCtx());
        }
    });
    assertTrue(serverSettingsAckLatch1.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writeHeaders(ctx(), 3, headers, 0, false, newPromise()).addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    clientHeadersWriteException.set(future.cause());
                }
            });
            // It is expected that this write should fail locally and the remote peer will never see this.
            http2Client.encoder().writeData(ctx(), 3, Unpooled.buffer(), 0, true, newPromise()).addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    clientDataWriteException.set(future.cause());
                    clientDataWrite.countDown();
                }
            });
            http2Client.flush(ctx());
        }
    });
    assertTrue(clientDataWrite.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertNotNull("Header encode should have exceeded maxHeaderListSize!", clientHeadersWriteException.get());
    assertNotNull("Data on closed stream should fail!", clientDataWriteException.get());
    // Set the maxHeaderListSize to the max value so we can send the headers.
    runInChannel(serverConnectedChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Server.encoder().writeSettings(serverCtx(), new Http2Settings().copyFrom(http2Server.decoder().localSettings()).maxHeaderListSize(Http2CodecUtil.MAX_HEADER_LIST_SIZE), serverNewPromise());
            http2Server.flush(serverCtx());
        }
    });
    assertTrue(clientSettingsLatch1.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertTrue(serverSettingsAckLatch2.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() throws Http2Exception {
            http2Client.encoder().writeHeaders(ctx(), 5, headers, 0, true, newPromise()).addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    clientHeadersWriteException2.set(future.cause());
                    clientHeadersLatch.countDown();
                }
            });
            http2Client.flush(ctx());
        }
    });
    assertTrue(clientHeadersLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    assertNull("Client write of headers should succeed with increased header list size!", clientHeadersWriteException2.get());
    assertTrue(serverRevHeadersLatch.await(DEFAULT_AWAIT_TIMEOUT_SECONDS, SECONDS));
    verify(serverListener, never()).onDataRead(any(ChannelHandlerContext.class), anyInt(), any(ByteBuf.class), anyInt(), anyBoolean());
    // Verify that no errors have been received.
    verify(serverListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(serverListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
    verify(clientListener, never()).onGoAwayRead(any(ChannelHandlerContext.class), anyInt(), anyLong(), any(ByteBuf.class));
    verify(clientListener, never()).onRstStreamRead(any(ChannelHandlerContext.class), anyInt(), anyLong());
}

Example 5 with Http2Settings

use of io.netty.handler.codec.http2.Http2Settings in project netty by netty.

the class InboundHttp2ToHttpAdapterTest method propagateSettings.

@Test
public void propagateSettings() throws Exception {
    boostrapEnv(1, 1, 2);
    final Http2Settings settings = new Http2Settings().pushEnabled(true);
    runInChannel(clientChannel, new Http2Runnable() {

        @Override
        public void run() {
            clientHandler.encoder().writeSettings(ctxClient(), settings, newPromiseClient());
            clientChannel.flush();
        }
    });
    assertTrue(settingsLatch.await(5, SECONDS));
    ArgumentCaptor<Http2Settings> settingsCaptor = ArgumentCaptor.forClass(Http2Settings.class);
    verify(settingsListener, times(2)).messageReceived(settingsCaptor.capture());
    assertEquals(settings, settingsCaptor.getValue());
}