Example usage for io.netty.buffer Unpooled buffer

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

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Introduction

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

Prototype

public static ByteBuf buffer()

Source Link

Document

Creates a new big-endian Java heap buffer with reasonably small initial capacity, which expands its capacity boundlessly on demand.

Usage

From source file:com.microsoft.Malmo.MissionHandlers.RewardForItemBase.java

License:Open Source License

protected static void sendItemStackToClient(EntityPlayerMP player, MalmoMessageType message, ItemStack is) {
    ByteBuf buf = Unpooled.buffer();
    ByteBufUtils.writeItemStack(buf, is);
    byte[] bytes = new byte[buf.readableBytes()];
    buf.getBytes(0, bytes);//from ww  w.  ja v  a2 s  .  c o  m
    String data = DatatypeConverter.printBase64Binary(bytes);
    MalmoMod.MalmoMessage msg = new MalmoMod.MalmoMessage(message, data);
    MalmoMod.network.sendTo(msg, player);
}

From source file:com.mobius.software.mqtt.parser.test.TestPublish.java

License:Open Source License

@Test
public void testSetData() {
    ByteBuf data = Unpooled.buffer()
            .writeBytes(new byte[] { 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64 });
    Publish actual = new Publish(expected.getPacketID(), expected.getTopic(), data, expected.isRetain(),
            expected.isDup());/*w w w .java 2 s . c  o  m*/
    assertEquals("setData results with invalid length", actual.getLength(), 24);
}

From source file:com.mobius.software.mqtt.parser.test.TestPublish.java

License:Open Source License

@Test
public void testTime() throws UnsupportedEncodingException, MalformedMessageException {
    Publish actual = new Publish(20,
            new Topic(new Text("root/first/second/third/fourth/fifth/andsomeadditionalsymbols"),
                    QoS.EXACTLY_ONCE),/*w  w  w . j a v a2 s . com*/
            Unpooled.buffer().writeBytes("1234567890-=qwertyuiop[]asdfghjkl".getBytes()), false, false);
    ByteBuf buf = MQParser.encode(actual);
    buf = MQParser.encode(actual);
    ByteBuf slice = MQParser.next(buf);
    buf.readBytes(slice);
    MQParser.decode(slice);
}

From source file:com.netflix.ribbon.RibbonTest.java

License:Apache License

@Test
public void testFallback() throws IOException {
    HttpResourceGroup group = Ribbon.createHttpResourceGroup("myclient", ClientOptions.create()
            .withConfigurationBasedServerList("localhost:12345").withMaxAutoRetriesNextServer(1));
    final String fallback = "fallback";
    HttpRequestTemplate<ByteBuf> template = group.newTemplateBuilder("test", ByteBuf.class).withUriTemplate("/")
            .withMethod("GET").withFallbackProvider(new FallbackHandler<ByteBuf>() {
                @Override//from w  w w  .j av  a2s  .com
                public Observable<ByteBuf> getFallback(HystrixExecutableInfo<?> hystrixInfo,
                        Map<String, Object> requestProperties) {
                    try {
                        return Observable.just(Unpooled.buffer().writeBytes(fallback.getBytes("UTF-8")));
                    } catch (UnsupportedEncodingException e) {
                        return Observable.error(e);
                    }
                }
            }).build();
    RibbonRequest<ByteBuf> request = template.requestBuilder().build();
    final AtomicReference<HystrixExecutableInfo<?>> hystrixInfo = new AtomicReference<HystrixExecutableInfo<?>>();
    final AtomicBoolean failed = new AtomicBoolean(false);
    Observable<String> result = request.withMetadata().toObservable()
            .flatMap(new Func1<RibbonResponse<Observable<ByteBuf>>, Observable<String>>() {
                @Override
                public Observable<String> call(final RibbonResponse<Observable<ByteBuf>> response) {
                    hystrixInfo.set(response.getHystrixInfo());
                    failed.set(response.getHystrixInfo().isFailedExecution());
                    return response.content().map(new Func1<ByteBuf, String>() {
                        @Override
                        public String call(ByteBuf t1) {
                            return t1.toString(Charset.defaultCharset());
                        }
                    });
                }
            });
    String s = result.toBlocking().single();
    // this returns true only after the blocking call is done
    assertTrue(hystrixInfo.get().isResponseFromFallback());
    assertTrue(failed.get());
    assertEquals(fallback, s);
}

From source file:com.netflix.ribbon.RibbonTest.java

License:Apache License

@Test
public void testCacheHit() {
    HttpResourceGroup group = Ribbon.createHttpResourceGroup("myclient", ClientOptions.create()
            .withConfigurationBasedServerList("localhost:12345").withMaxAutoRetriesNextServer(1));
    final String content = "from cache";
    final String cacheKey = "somekey";
    HttpRequestTemplate<ByteBuf> template = group.newTemplateBuilder("test")
            .withCacheProvider(cacheKey, new CacheProvider<ByteBuf>() {
                @Override//from  www .j  av  a 2  s  .  c  o m
                public Observable<ByteBuf> get(String key, Map<String, Object> vars) {
                    if (key.equals(cacheKey)) {
                        try {
                            return Observable.just(Unpooled.buffer().writeBytes(content.getBytes("UTF-8")));
                        } catch (UnsupportedEncodingException e) {
                            return Observable.error(e);
                        }
                    } else {
                        return Observable.error(new Exception("Cache miss"));
                    }
                }
            }).withUriTemplate("/").withMethod("GET").build();
    RibbonRequest<ByteBuf> request = template.requestBuilder().build();
    String result = request.execute().toString(Charset.defaultCharset());
    assertEquals(content, result);
}

From source file:com.quavo.osrs.network.protocol.packet.encode.PacketEncoder.java

License:Open Source License

/**
 * Constructs a new object./*  w ww .  ja  v a2  s  .  co  m*/
 *
 * @param packet The packet.
 */
public PacketEncoder(PacketEncoderIdentifier packet) {
    this.packet = packet;
    this.builder = new GamePacketBuilder(Unpooled.buffer());
}

From source file:com.rs3e.network.protocol.codec.login.LoginDecoder.java

License:Open Source License

/**
 * Decodes the header of login./*from ww  w  .j a  va2s. c o  m*/
 * 
 * @param ctx
 *            The channel handler context.
 * @param buf
 *            The byte buf for writing data.
 * @return The login message, or {@code Null}.
 */
private Object decodeHeader(ChannelHandlerContext ctx, ByteBuf buf) {
    if (buf.readable()) {

        new SecureRandom().nextInt();

        ByteBuf unpooled = Unpooled.buffer();
        unpooled.writeByte(0);
        // unpooled.writeLong(secureKey);
        ctx.channel().write(unpooled);

        setState(LoginState.CONNECTION_TYPE);
    }
    return null;
}

From source file:com.rs3e.network.protocol.login.LoginDecoder.java

License:Open Source License

/**
 * Decodes the header of login.//  www .  j ava  2s. co  m
 * @param ctx The channel handler context.
 * @param buf The byte buf for writing data.
 * @return The login message, or {@code Null}.
 */
private Object decodeHeader(ChannelHandlerContext ctx, ByteBuf buf) {
    if (buf.readable()) {

        @SuppressWarnings("unused")
        //long clientHash = buf.readUnsignedByte();
        int secureKey = new SecureRandom().nextInt();

        ByteBuf unpooled = Unpooled.buffer();
        unpooled.writeByte(0);
        //unpooled.writeLong(secureKey);
        ctx.channel().write(unpooled);

        setState(LoginState.CONNECTION_TYPE);
    }
    return null;
}

From source file:com.rs3e.network.protocol.worldlist.WorldListEncoder.java

License:Open Source License

@Override
public void encode(ChannelHandlerContext ctx, WorldListMessage list, ByteBuf out) throws Exception {
    ByteBuf buf = Unpooled.buffer();
    buf.writeByte(1);// w  w  w . j a  va  2s . c  o  m
    buf.writeByte(1);

    Country[] countries = list.getCountries();
    ByteBufUtils.writeSmart(buf, countries.length);
    for (Country country : countries) {
        ByteBufUtils.writeSmart(buf, country.getFlag());
        ByteBufUtils.writeWorldListString(buf, country.getName());
    }

    World[] worlds = list.getWorlds();
    int minId = worlds[0].getId();
    int maxId = worlds[0].getId();
    for (int i = 1; i < worlds.length; i++) {
        World world = worlds[i];
        int id = world.getId();

        if (id > maxId)
            maxId = id;
        if (id < minId)
            minId = id;
    }

    ByteBufUtils.writeSmart(buf, minId);
    ByteBufUtils.writeSmart(buf, maxId);
    ByteBufUtils.writeSmart(buf, worlds.length);

    for (World world : worlds) {
        ByteBufUtils.writeSmart(buf, world.getId() - minId);
        buf.writeByte(world.getCountry());
        buf.writeInt(world.getFlags());
        ByteBufUtils.writeWorldListString(buf, world.getActivity());
        ByteBufUtils.writeWorldListString(buf, world.getIp());
    }

    buf.writeInt(list.getSessionId());
    for (int i = 0; i < worlds.length; i++) {
        World world = worlds[i];
        ByteBufUtils.writeSmart(buf, world.getId() - minId);
        buf.writeShort(0);
    }

    out.writeByte(0); // 0 = ok, 7/9 = world full
    out.writeShort(buf.readableBytes());
    out.writeBytes(buf);
}

From source file:com.savageboy74.savagetech.handler.packets.PacketPipeline.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, AbstractPacket msg, List<Object> out) throws Exception {
    ByteBuf buffer = Unpooled.buffer();
    Class<? extends AbstractPacket> apClass = msg.getClass();

    if (!this.packets.contains(apClass)) {
        throw new NullPointerException(Strings.Packets.NOT_REGISTERED + apClass.getCanonicalName());
    }// ww  w . ja v  a 2 s.co  m

    byte discriminator = (byte) this.packets.indexOf(apClass);
    buffer.writeByte(discriminator);
    msg.encodeInto(ctx, buffer);

    FMLProxyPacket packet = new FMLProxyPacket(buffer.copy(),
            ctx.channel().attr(NetworkRegistry.FML_CHANNEL).get());
    out.add(packet);

}