Example usage for io.netty.buffer Unpooled buffer

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:at.yawk.accordion.distributed.InternalProtocol.java

License:Mozilla Public License

/**
 * Encode a packet to be read by other nodes.
 *///from   w  ww  .  j ava  2 s.  c  o m
static ByteBuf encodePacket(byte[] typeBytes, long id, ByteBuf payload, Compressor compressor) {
    ByteBuf body = Unpooled.buffer();
    // channel
    writeByteArray(body, typeBytes);
    // payload
    body.writeBytes(payload);

    ByteBuf compressedBody = compressor.encode(body);

    ByteBuf full = Unpooled.buffer();
    // id header
    full.writeLong(id);
    // body
    full.writeBytes(compressedBody);
    return full;
}

From source file:at.yawk.accordion.simulation.Simulation.java

License:Mozilla Public License

public static void main(String[] args) throws UnknownHostException, InterruptedException {
    Logger.getRootLogger().addAppender(new ConsoleAppender(new SimpleLayout(), ConsoleAppender.SYSTEM_OUT));
    Logger.getRootLogger().setLevel(Level.DEBUG);

    Simulation simulation = new Simulation();
    simulation.populate();/*  w ww.ja v  a 2s  . c o  m*/
    TimeUnit.SECONDS.sleep(1);

    simulation.nodes.get(simulation.tiers[0][0]).getConnectionManager().getChannel("test").subscribe(msg -> {
        int len = msg.readInt();
        byte[] blob = new byte[len];
        msg.readBytes(blob);
        Log.getDefaultLogger().info("Received: " + new String(blob));
    });
    TimeUnit.SECONDS.sleep(1);

    ByteBuf msg = Unpooled.buffer();
    byte[] text = "ping".getBytes();
    msg.writeInt(text.length);
    msg.writeBytes(text);

    simulation.nodes.get(simulation.tiers[0][1]).getConnectionManager().getChannel("test").publish(msg);
}

From source file:at.yawk.dbus.protocol.codec.MessageHeaderCodecTest.java

@Test
public void testEncodeDecode() throws Exception {
    MessageHeader inHeader = new MessageHeader();
    // defaults// ww w. j a va  2s  . c om
    inHeader.setByteOrder(ByteOrder.BIG_ENDIAN);
    inHeader.setMajorProtocolVersion((byte) 1);
    inHeader.setSerial(1);

    inHeader.setMessageType(MessageType.METHOD_CALL);
    inHeader.setMessageBodyLength(5);
    inHeader.addHeader(HeaderField.PATH,
            ObjectPathObject.create("/org/freedesktop/UPower/devices/DisplayDevice"));
    inHeader.addHeader(HeaderField.DESTINATION, BasicObject.createString("org.freedesktop.UPower"));
    inHeader.addHeader(HeaderField.MEMBER, BasicObject.createString("org.freedesktop.DBus.Properties.Get"));
    inHeader.addHeader(HeaderField.SIGNATURE,
            SignatureObject.create(Arrays.asList(BasicType.UINT16, BasicType.UINT32)));

    MessageHeaderCodec codec = new MessageHeaderCodec();
    ByteBuf buffer = Unpooled.buffer();
    codec.encode(null, inHeader, buffer);

    List<Object> out = new ArrayList<>();
    codec.decode(null, buffer, out);

    Assert.assertEquals(out.size(), 1);
    Assert.assertEquals(out.get(0), inHeader);
}

From source file:at.yawk.dbus.protocol.object.DbusObjectTest.java

private static void testSerialize(DbusObject object) {
    for (int readerOffset = 0; readerOffset < 10; readerOffset++) {
        AlignableByteBuf buf = new AlignableByteBuf(Unpooled.buffer(), readerOffset, 8);
        object.serialize(buf);// ww w.j  av  a2  s .  c o  m
        DbusObject des = object.getType().deserialize(buf);
        assertEquals(des, object, "offset=" + readerOffset);
        assertEquals(buf.readableBytes(), 0, "offset=" + readerOffset);
    }
}

From source file:be.guntherdw.minecraft.snowballsclient.LiteModSnowBalls.java

License:Open Source License

public C17PacketCustomPayload getRegisterPacket() {
    PacketBuffer pb = new PacketBuffer(Unpooled.buffer());
    pb.writeByte((byte) 26);
    C17PacketCustomPayload registerPacket = new C17PacketCustomPayload(snowballsPluginMessageChannel, pb);
    return registerPacket;
}

From source file:blazingcache.network.jvm.JVMChannel.java

License:Apache License

private Message cloneMessage(Message message) {
    ByteBuf buf = Unpooled.buffer();
    DodoMessageUtils.encodeMessage(buf, message);
    return DodoMessageUtils.decodeMessage(buf);
}

From source file:books.netty.protocol.netty.codec.TestCodeC.java

License:Apache License

public ByteBuf encode(NettyMessage msg) throws Exception {
    ByteBuf sendBuf = Unpooled.buffer();
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;/*from   ww w  . j  a  va  2s. c o  m*/
    byte[] keyArray = null;
    Object value = null;

    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes());
    return sendBuf;
}

From source file:buildcraft.core.lib.network.ChannelHandler.java

License:Minecraft Mod Public

@Override
protected void encode(ChannelHandlerContext ctx, Packet msg, List<Object> out) throws Exception {
    ByteBuf buffer = Unpooled.buffer();
    Class<? extends Packet> clazz = msg.getClass();
    byte discriminator = types.get(clazz);
    buffer.writeByte(discriminator);/*from  w w w .  j av  a 2s . c  om*/
    msg.writeData(buffer);
    FMLProxyPacket proxy = new FMLProxyPacket(buffer.copy(),
            ctx.channel().attr(NetworkRegistry.FML_CHANNEL).get());
    WeakReference<FMLProxyPacket> ref = ctx.attr(INBOUNDPACKETTRACKER).get().get();
    FMLProxyPacket old = ref == null ? null : ref.get();
    if (old != null) {
        proxy.setDispatcher(old.getDispatcher());
    }
    out.add(proxy);
}

From source file:buildcraft.core.lib.network.PacketTileState.java

License:Minecraft Mod Public

@Override
public void writeData(ByteBuf data) {
    super.writeData(data);

    ByteBuf tmpState = Unpooled.buffer();

    tmpState.writeByte(stateList.size());
    for (StateWithId stateWithId : stateList) {
        tmpState.writeByte(stateWithId.stateId);
        stateWithId.state.writeData(tmpState);
    }/*  w  ww.j  av a 2 s .  c om*/

    data.writeShort((short) tmpState.readableBytes());
    data.writeBytes(tmpState.readBytes(tmpState.readableBytes()));
}

From source file:buildcraft.core.lib.network.PacketTileState.java

License:Minecraft Mod Public

@Override
public void readData(ByteBuf data) {
    super.readData(data);

    state = Unpooled.buffer();
    int length = data.readUnsignedShort();
    state.writeBytes(data.readBytes(length));
}