Examples with ChannelInboundHandlerAdapter org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter used on opensource projects

Example 81 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class LocalChannelTest method testAutoReadDisabled.

private static void testAutoReadDisabled(EventLoopGroup serverGroup, EventLoopGroup clientGroup) throws Exception {
    final CountDownLatch latch = new CountDownLatch(100);
    Bootstrap cb = new Bootstrap();
    ServerBootstrap sb = new ServerBootstrap();
    cb.group(serverGroup).channel(LocalChannel.class).option(ChannelOption.AUTO_READ, false).handler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelActive(final ChannelHandlerContext ctx) throws Exception {
            writeAndFlushReadOnSuccess(ctx, "test");
        }

        @Override
        public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
            writeAndFlushReadOnSuccess(ctx, msg);
        }
    });
    sb.group(clientGroup).channel(LocalServerChannel.class).childOption(ChannelOption.AUTO_READ, false).childHandler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelActive(final ChannelHandlerContext ctx) throws Exception {
            ctx.read();
        }

        @Override
        public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
            latch.countDown();
            if (latch.getCount() > 0) {
                writeAndFlushReadOnSuccess(ctx, msg);
            }
        }
    });
    Channel sc = null;
    Channel cc = null;
    try {
        // Start server
        sc = sb.bind(TEST_ADDRESS).sync().channel();
        cc = cb.connect(TEST_ADDRESS).sync().channel();
        latch.await();
    } finally {
        closeChannel(cc);
        closeChannel(sc);
    }
}

Example 82 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class LocalChannelTest method testWriteWhilePeerIsClosedReleaseObjectAndFailPromise.

@Test
public void testWriteWhilePeerIsClosedReleaseObjectAndFailPromise() throws InterruptedException {
    Bootstrap cb = new Bootstrap();
    ServerBootstrap sb = new ServerBootstrap();
    final CountDownLatch serverMessageLatch = new CountDownLatch(1);
    final LatchChannelFutureListener serverChannelCloseLatch = new LatchChannelFutureListener(1);
    final LatchChannelFutureListener clientChannelCloseLatch = new LatchChannelFutureListener(1);
    final CountDownLatch writeFailLatch = new CountDownLatch(1);
    final ByteBuf data = Unpooled.wrappedBuffer(new byte[1024]);
    final ByteBuf data2 = Unpooled.wrappedBuffer(new byte[512]);
    final CountDownLatch serverChannelLatch = new CountDownLatch(1);
    final AtomicReference<Channel> serverChannelRef = new AtomicReference<Channel>();
    try {
        cb.group(group1).channel(LocalChannel.class).handler(new TestHandler());
        sb.group(group2).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {

            @Override
            public void initChannel(LocalChannel ch) throws Exception {
                ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {

                    @Override
                    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                        if (data.equals(msg)) {
                            ReferenceCountUtil.safeRelease(msg);
                            serverMessageLatch.countDown();
                        } else {
                            super.channelRead(ctx, msg);
                        }
                    }
                });
                serverChannelRef.set(ch);
                serverChannelLatch.countDown();
            }
        });
        Channel sc = null;
        Channel cc = null;
        try {
            // Start server
            sc = sb.bind(TEST_ADDRESS).syncUninterruptibly().channel();
            // Connect to the server
            cc = cb.connect(sc.localAddress()).syncUninterruptibly().channel();
            assertTrue(serverChannelLatch.await(5, SECONDS));
            final Channel ccCpy = cc;
            final Channel serverChannelCpy = serverChannelRef.get();
            serverChannelCpy.closeFuture().addListener(serverChannelCloseLatch);
            ccCpy.closeFuture().addListener(clientChannelCloseLatch);
            // Make sure a write operation is executed in the eventloop
            cc.pipeline().lastContext().executor().execute(new Runnable() {

                @Override
                public void run() {
                    ccCpy.writeAndFlush(data.retainedDuplicate(), ccCpy.newPromise()).addListener(new ChannelFutureListener() {

                        @Override
                        public void operationComplete(ChannelFuture future) throws Exception {
                            serverChannelCpy.eventLoop().execute(new Runnable() {

                                @Override
                                public void run() {
                                    // The point of this test is to write while the peer is closed, so we should
                                    // ensure the peer is actually closed before we write.
                                    int waitCount = 0;
                                    while (ccCpy.isOpen()) {
                                        try {
                                            Thread.sleep(50);
                                        } catch (InterruptedException ignored) {
                                        // ignored
                                        }
                                        if (++waitCount > 5) {
                                            fail();
                                        }
                                    }
                                    serverChannelCpy.writeAndFlush(data2.retainedDuplicate(), serverChannelCpy.newPromise()).addListener(new ChannelFutureListener() {

                                        @Override
                                        public void operationComplete(ChannelFuture future) throws Exception {
                                            if (!future.isSuccess() && future.cause() instanceof ClosedChannelException) {
                                                writeFailLatch.countDown();
                                            }
                                        }
                                    });
                                }
                            });
                            ccCpy.close();
                        }
                    });
                }
            });
            assertTrue(serverMessageLatch.await(5, SECONDS));
            assertTrue(writeFailLatch.await(5, SECONDS));
            assertTrue(serverChannelCloseLatch.await(5, SECONDS));
            assertTrue(clientChannelCloseLatch.await(5, SECONDS));
            assertFalse(ccCpy.isOpen());
            assertFalse(serverChannelCpy.isOpen());
        } finally {
            closeChannel(cc);
            closeChannel(sc);
        }
    } finally {
        data.release();
        data2.release();
    }
}

Example 83 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class LocalChannelTest method testMaxMessagesPerReadRespected.

private static void testMaxMessagesPerReadRespected(EventLoopGroup serverGroup, EventLoopGroup clientGroup, final boolean autoRead) throws Exception {
    final CountDownLatch countDownLatch = new CountDownLatch(5);
    Bootstrap cb = new Bootstrap();
    ServerBootstrap sb = new ServerBootstrap();
    cb.group(serverGroup).channel(LocalChannel.class).option(ChannelOption.AUTO_READ, autoRead).option(ChannelOption.MAX_MESSAGES_PER_READ, 1).handler(new ChannelReadHandler(countDownLatch, autoRead));
    sb.group(clientGroup).channel(LocalServerChannel.class).childHandler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelActive(final ChannelHandlerContext ctx) {
            for (int i = 0; i < 10; i++) {
                ctx.write(i);
            }
            ctx.flush();
        }
    });
    Channel sc = null;
    Channel cc = null;
    try {
        // Start server
        sc = sb.bind(TEST_ADDRESS).sync().channel();
        cc = cb.connect(TEST_ADDRESS).sync().channel();
        countDownLatch.await();
    } finally {
        closeChannel(cc);
        closeChannel(sc);
    }
}

Example 84 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class KQueueDomainSocketFdTest method testSendRecvFd.

public void testSendRecvFd(ServerBootstrap sb, Bootstrap cb) throws Throwable {
    final BlockingQueue<Object> queue = new LinkedBlockingQueue<Object>(1);
    sb.childHandler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelActive(ChannelHandlerContext ctx) throws Exception {
            // Create new channel and obtain a file descriptor from it.
            final KQueueDomainSocketChannel ch = new KQueueDomainSocketChannel();
            ctx.writeAndFlush(ch.fd()).addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        Throwable cause = future.cause();
                        queue.offer(cause);
                    }
                }
            });
        }
    });
    cb.handler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
            FileDescriptor fd = (FileDescriptor) msg;
            queue.offer(fd);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            queue.add(cause);
            ctx.close();
        }
    });
    cb.option(KQueueChannelOption.DOMAIN_SOCKET_READ_MODE, DomainSocketReadMode.FILE_DESCRIPTORS);
    Channel sc = sb.bind().sync().channel();
    Channel cc = cb.connect(sc.localAddress()).sync().channel();
    Object received = queue.take();
    cc.close().sync();
    sc.close().sync();
    if (received instanceof FileDescriptor) {
        FileDescriptor fd = (FileDescriptor) received;
        assertTrue(fd.isOpen());
        fd.close();
        assertFalse(fd.isOpen());
        assertNull(queue.poll());
    } else {
        throw (Throwable) received;
    }
}

Example 85 with ChannelInboundHandlerAdapter

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter in project netty by netty.

the class EpollSpliceTest method spliceToFile.

@Test
@Timeout(value = 10000, unit = TimeUnit.MILLISECONDS)
public void spliceToFile() throws Throwable {
    EventLoopGroup group = new EpollEventLoopGroup(1);
    File file = PlatformDependent.createTempFile("netty-splice", null, null);
    file.deleteOnExit();
    SpliceHandler sh = new SpliceHandler(file);
    ServerBootstrap bs = new ServerBootstrap();
    bs.channel(EpollServerSocketChannel.class);
    bs.group(group).childHandler(sh);
    bs.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    Channel sc = bs.bind(NetUtil.LOCALHOST, 0).syncUninterruptibly().channel();
    Bootstrap cb = new Bootstrap();
    cb.group(group);
    cb.channel(EpollSocketChannel.class);
    cb.handler(new ChannelInboundHandlerAdapter());
    Channel cc = cb.connect(sc.localAddress()).syncUninterruptibly().channel();
    for (int i = 0; i < data.length; ) {
        int length = Math.min(random.nextInt(1024 * 64), data.length - i);
        ByteBuf buf = Unpooled.wrappedBuffer(data, i, length);
        cc.writeAndFlush(buf);
        i += length;
    }
    while (sh.future2 == null || !sh.future2.isDone() || !sh.future.isDone()) {
        if (sh.exception.get() != null) {
            break;
        }
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {
        // Ignore.
        }
    }
    sc.close().sync();
    cc.close().sync();
    if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
        throw sh.exception.get();
    }
    byte[] written = new byte[data.length];
    FileInputStream in = new FileInputStream(file);
    try {
        assertEquals(written.length, in.read(written));
        assertArrayEquals(data, written);
    } finally {
        in.close();
        group.shutdownGracefully();
    }
}