Example usage for io.netty.buffer Unpooled wrappedBuffer

List of usage examples for io.netty.buffer Unpooled wrappedBuffer

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Introduction

In this page you can find the example usage for io.netty.buffer Unpooled wrappedBuffer.

Prototype

public static ByteBuf wrappedBuffer(ByteBuffer... buffers)

Source Link

Document

Creates a new big-endian composite buffer which wraps the slices of the specified NIO buffers without copying them.

Usage

From source file:io.lettuce.core.pubsub.PubSubCommandHandlerTest.java

License:Apache License

@Test
public void shouldPropagatePubSubResponseToOutput() throws Exception {

    Command<String, String, String> command1 = new Command<>(CommandType.APPEND,
            new StatusOutput<>(new Utf8StringCodec()), null);

    sut.channelRegistered(context);/*w  w w.  j a  v a  2  s. co m*/
    sut.channelActive(context);
    stack.add(command1);

    sut.channelRead(context,
            Unpooled.wrappedBuffer("*3\r\n$7\r\nmessage\r\n$3\r\nfoo\r\n$3\r\nbar\r\n".getBytes()));

    assertThat(command1.isDone()).isFalse();

    verify(endpoint).notifyMessage(any());
}

From source file:io.lettuce.core.pubsub.PubSubCommandHandlerTest.java

License:Apache License

@Test
public void shouldPropagateInterleavedPubSubResponseToOutput() throws Exception {

    Command<String, String, String> command1 = new Command<>(CommandType.APPEND,
            new StatusOutput<>(new Utf8StringCodec()), null);
    Command<String, String, String> command2 = new Command<>(CommandType.APPEND,
            new StatusOutput<>(new Utf8StringCodec()), null);

    sut.channelRegistered(context);/* ww  w  .ja  va 2s .  c o m*/
    sut.channelActive(context);
    stack.add(command1);
    stack.add(command2);

    sut.channelRead(context, Unpooled.wrappedBuffer(
            "+OK\r\n*4\r\n$8\r\npmessage\r\n$1\r\n*\r\n$3\r\nfoo\r\n$3\r\nbar\r\n+YEAH\r\n".getBytes()));

    assertThat(command1.get()).isEqualTo("OK");
    assertThat(command2.get()).isEqualTo("YEAH");

    ArgumentCaptor<PubSubOutput> captor = ArgumentCaptor.forClass(PubSubOutput.class);
    verify(endpoint).notifyMessage(captor.capture());

    assertThat(captor.getValue().pattern()).isEqualTo("*");
    assertThat(captor.getValue().channel()).isEqualTo("foo");
    assertThat(captor.getValue().get()).isEqualTo("bar");
}

From source file:io.lettuce.core.ReactiveBackpressurePropagationTest.java

License:Apache License

@Test
public void writeCommand() throws Exception {

    Command<String, String, List<String>> lrange = new Command<>(CommandType.LRANGE,
            new ValueListOutput<>(StringCodec.UTF8));
    RedisPublisher<String, String, String> publisher = new RedisPublisher<>((Command) lrange,
            statefulConnection, true);/*from  w  ww.j  av  a 2 s  .  co  m*/

    CountDownLatch pressureArrived = new CountDownLatch(1);
    CountDownLatch buildPressure = new CountDownLatch(1);
    CountDownLatch waitForPressureReduced = new CountDownLatch(2);
    CountDownLatch waitForWorkCompleted = new CountDownLatch(4);

    Flux.from(publisher).limitRate(2).publishOn(Schedulers.single()).doOnNext(s -> {

        try {
            pressureArrived.countDown();
            buildPressure.await();
        } catch (InterruptedException e) {
        }

        waitForPressureReduced.countDown();
        waitForWorkCompleted.countDown();

    }).subscribe();

    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    // produce some back pressure
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.arrayHeader(4)));
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("one")));
    pressureArrived.await();
    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("two")));
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("three")));
    assertThat(embeddedChannel.config().isAutoRead()).isFalse();

    // allow processing
    buildPressure.countDown();

    // wait until processing caught up
    waitForPressureReduced.await();
    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    // emit the last item
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("four")));

    // done
    waitForWorkCompleted.await();
    assertThat(embeddedChannel.config().isAutoRead()).isTrue();
}

From source file:io.lettuce.core.ReactiveBackpressurePropagationTest.java

License:Apache License

@Test
public void writeCommandAndCancelInTheMiddle() throws Exception {

    Command<String, String, List<String>> lrange = new Command<>(CommandType.LRANGE,
            new ValueListOutput<>(StringCodec.UTF8));
    RedisPublisher<String, String, String> publisher = new RedisPublisher<>((Command) lrange,
            statefulConnection, true);//from   ww  w. ja  v  a 2 s. c om

    CountDownLatch pressureArrived = new CountDownLatch(1);
    CountDownLatch buildPressure = new CountDownLatch(1);
    CountDownLatch waitForPressureReduced = new CountDownLatch(2);

    Disposable cancellation = Flux.from(publisher).limitRate(2).publishOn(Schedulers.single()).doOnNext(s -> {

        try {
            pressureArrived.countDown();
            buildPressure.await();
        } catch (InterruptedException e) {
        }

        waitForPressureReduced.countDown();

    }).subscribe();

    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    // produce some back pressure
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.arrayHeader(4)));
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("one")));
    pressureArrived.await();
    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("two")));
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("three")));
    assertThat(embeddedChannel.config().isAutoRead()).isFalse();

    cancellation.dispose();

    assertThat(embeddedChannel.config().isAutoRead()).isTrue();

    // allow processing
    buildPressure.countDown();

    // emit the last item
    embeddedChannel.writeInbound(Unpooled.wrappedBuffer(RESP.bulkString("four")));

    // done
    assertThat(embeddedChannel.config().isAutoRead()).isTrue();
}

From source file:io.liveoak.container.codec.form.FormURLDecoderTest.java

License:Open Source License

protected ResourceState decode(String data) throws Exception {

    FormURLDecoder decoder = new FormURLDecoder();
    ByteBuf buffer = Unpooled.wrappedBuffer(data.getBytes(Charset.defaultCharset()));
    return decoder.decode(buffer);
}

From source file:io.maelstorm.server.ResponseUtils.java

License:Open Source License

public static ByteBuf getChannelBuffer(StringBuilder buffer) {
    return Unpooled.wrappedBuffer(buffer.toString().getBytes());
}

From source file:io.moquette.server.HazelcastListener.java

License:Open Source License

@Override
public void onMessage(Message<HazelcastMsg> msg) {
    try {/*from   www . ja v a2s . c  o m*/
        if (!msg.getPublishingMember().equals(server.getHazelcastInstance().getCluster().getLocalMember())) {
            HazelcastMsg hzMsg = msg.getMessageObject();
            LOG.info("{} received from hazelcast for topic {} message: {}", hzMsg.getClientId(),
                    hzMsg.getTopic(), hzMsg.getPayload());
            // TODO pass forward this information in somehow publishMessage.setLocal(false);

            MqttQoS qos = MqttQoS.valueOf(hzMsg.getQos());
            MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBLISH, false, qos, false, 0);
            MqttPublishVariableHeader varHeader = new MqttPublishVariableHeader(hzMsg.getTopic(), 0);
            ByteBuf payload = Unpooled.wrappedBuffer(hzMsg.getPayload());
            MqttPublishMessage publishMessage = new MqttPublishMessage(fixedHeader, varHeader, payload);
            server.internalPublish(publishMessage, hzMsg.getClientId());
        }
    } catch (Exception ex) {
        LOG.error("error polling hazelcast msg queue", ex);
    }
}

From source file:io.netty.example.http.helloworld.HttpHelloWorldServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;

        boolean keepAlive = HttpUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(req.protocolVersion(), OK,
                Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, TEXT_PLAIN).setInt(CONTENT_LENGTH,
                response.content().readableBytes());

        if (keepAlive) {
            if (!req.protocolVersion().isKeepAliveDefault()) {
                response.headers().set(CONNECTION, KEEP_ALIVE);
            }//from   ww w .  j  a  va2s. c o  m
        } else {
            // Tell the client we're going to close the connection.
            response.headers().set(CONNECTION, CLOSE);
        }

        ChannelFuture f = ctx.write(response);

        if (!keepAlive) {
            f.addListener(ChannelFutureListener.CLOSE);
        }
    }
}

From source file:io.nodyn.crypto.Hash.java

License:Apache License

public ByteBuf digest() throws NoSuchAlgorithmException {
    byte[] digestBytes = new byte[this.digest.getDigestSize()];
    this.digest.doFinal(digestBytes, 0);
    return Unpooled.wrappedBuffer(digestBytes);
}