Examples with ByteBuf org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf used on opensource projects

Example 56 with ByteBuf

use of org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf in project MinecraftForge by MinecraftForge.

the class FMLIndexedMessageToMessageCodec method decode.

@Override
protected final void decode(ChannelHandlerContext ctx, FMLProxyPacket msg, List<Object> out) throws Exception {
    testMessageValidity(msg);
    ByteBuf payload = msg.payload().duplicate();
    if (payload.readableBytes() < 1) {
        FMLLog.log(Level.ERROR, "The FMLIndexedCodec has received an empty buffer on channel %s, likely a result of a LAN server issue. Pipeline parts : %s", ctx.channel().attr(NetworkRegistry.FML_CHANNEL), ctx.pipeline().toString());
    }
    byte discriminator = payload.readByte();
    Class<? extends A> clazz = discriminators.get(discriminator);
    if (clazz == null) {
        throw new NullPointerException("Undefined message for discriminator " + discriminator + " in channel " + msg.channel());
    }
    A newMsg = clazz.newInstance();
    ctx.attr(INBOUNDPACKETTRACKER).get().set(new WeakReference<FMLProxyPacket>(msg));
    decodeInto(ctx, payload.slice(), newMsg);
    out.add(newMsg);
}

Example 57 with ByteBuf

use of org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf in project MinecraftForge by MinecraftForge.

the class PacketLoggingHandler method register.

public static void register(NetworkManager manager) {
    ChannelPipeline pipeline = manager.channel().pipeline();
    final EnumPacketDirection direction = manager.getDirection();
    if (manager.isLocalChannel()) {
        pipeline.addBefore("packet_handler", "splitter", new SimpleChannelInboundHandler<Packet<?>>() {

            String prefix = (direction == EnumPacketDirection.SERVERBOUND ? "SERVER: C->S" : "CLIENT: S->C");

            @Override
            protected void channelRead0(ChannelHandlerContext ctx, Packet<?> msg) throws Exception {
                PacketBuffer buf = new PacketBuffer(Unpooled.buffer());
                msg.writePacketData(buf);
                FMLLog.log(Level.DEBUG, "%s %s:\n%s", prefix, msg.getClass().getSimpleName(), ByteBufUtils.getContentDump(buf));
                ctx.fireChannelRead(msg);
            }
        });
        pipeline.addBefore("splitter", "prepender", new ChannelOutboundHandlerAdapter() {

            String prefix = (direction == EnumPacketDirection.SERVERBOUND ? "SERVER: S->C" : "CLIENT: C->S");

            @Override
            public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
                if (msg instanceof Packet<?>) {
                    PacketBuffer buf = new PacketBuffer(Unpooled.buffer());
                    ((Packet<?>) msg).writePacketData(buf);
                    FMLLog.log(Level.DEBUG, "%s %s:\n%s", prefix, msg.getClass().getSimpleName(), ByteBufUtils.getContentDump(buf));
                }
                ctx.write(msg, promise);
            }
        });
    } else {
        pipeline.replace("splitter", "splitter", new NettyVarint21FrameDecoder() {

            String prefix = (direction == EnumPacketDirection.SERVERBOUND ? "SERVER: C->S" : "CLIENT: S->C");

            @Override
            protected void decode(ChannelHandlerContext context, ByteBuf input, List<Object> output) throws Exception {
                super.decode(context, input, output);
                Iterator<Object> itr = output.iterator();
                while (itr.hasNext()) {
                    ByteBuf pkt = (ByteBuf) itr.next();
                    pkt.markReaderIndex();
                    FMLLog.log(Level.DEBUG, "%s:\n%s", prefix, ByteBufUtils.getContentDump(pkt));
                    pkt.resetReaderIndex();
                }
            }
        });
        pipeline.replace("prepender", "prepender", new NettyVarint21FrameEncoder() {

            String prefix = (direction == EnumPacketDirection.SERVERBOUND ? "SERVER: S->C" : "CLIENT: C->S");

            @Override
            protected void encode(ChannelHandlerContext context, ByteBuf input, ByteBuf output) throws Exception {
                input.markReaderIndex();
                FMLLog.log(Level.DEBUG, "%s:\n%s", prefix, ByteBufUtils.getContentDump(input));
                input.resetReaderIndex();
                super.encode(context, input, output);
            }
        });
    }
}

Example 58 with ByteBuf

use of org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf in project MinecraftForge by MinecraftForge.

the class TestNetStuff method testByteBufUtilsStrings.

@Test
public void testByteBufUtilsStrings() {
    String test = new String("test");
    ByteBuf buf = Unpooled.buffer(20, 20);
    ByteBufUtils.writeUTF8String(buf, test);
    assertArrayEquals("String bytes", new byte[] { 4, 116, 101, 115, 116, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, buf.array());
    String repeat = Strings.repeat("test", 100);
    buf = Unpooled.buffer(420, 420);
    ByteBufUtils.writeUTF8String(buf, repeat);
    assertArrayEquals("String repeat bytes", new byte[] { -112, 3, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 116, 101, 115, 116, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, buf.array());
}

Example 59 with ByteBuf

use of org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf in project MinecraftForge by MinecraftForge.

the class TestNetStuff method testByteBufUtilsByteArrays.

@Test
public void testByteBufUtilsByteArrays() {
    ByteBuf buf = Unpooled.buffer(5, 5);
    ByteBufUtils.writeVarInt(buf, 1, 1);
    assertArrayEquals("1 as byte[] is [1]", new byte[] { 1, 0, 0, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 127, 1);
    assertArrayEquals("127 as byte[] is [127]", new byte[] { 127, 0, 0, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 128, 2);
    assertArrayEquals("128 as byte[] is [-128, 1]", new byte[] { -128, 1, 0, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 16383, 2);
    assertArrayEquals("16383 as byte[] is [-1, 127]", new byte[] { -1, 127, 0, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 16384, 3);
    assertArrayEquals("16384 as byte[] is [-1, -128, 1]", new byte[] { -128, -128, 1, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 2097151, 3);
    assertArrayEquals("2097151 as byte[] is [-1, -1, 127]", new byte[] { -1, -1, 127, 0, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 2097152, 4);
    assertArrayEquals("16384 as byte[] is [-128, -128, 1]", new byte[] { -128, -128, -128, 1, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 268435455, 4);
    assertArrayEquals("268435455 as byte[] is [-1, -1, -1, 127]", new byte[] { -1, -1, -1, 127, 0 }, buf.array());
    buf.clear();
    ByteBufUtils.writeVarInt(buf, 268435456, 5);
    assertArrayEquals("268435456 as byte[] is [-1, -128, 1]", new byte[] { -128, -128, -128, -128, 1 }, buf.array());
}

Example 60 with ByteBuf

use of org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf in project MinecraftForge by MinecraftForge.

the class TestNetStuff method testVarShort.

@Test
public void testVarShort() {
    ByteBuf buf = Unpooled.buffer(3, 3);
    ByteBufUtils.writeVarShort(buf, 32766);
    assertArrayEquals("Two byte short written", new byte[] { 127, -2, 0 }, buf.array());
    assertEquals("Two byte short written", 2, buf.readableBytes());
    buf.clear();
    buf.writeZero(3);
    buf.clear();
    buf.writeShort(32766);
    assertArrayEquals("Two byte short written", new byte[] { 127, -2, 0 }, buf.array());
    int val = ByteBufUtils.readVarShort(buf);
    assertEquals("Two byte short read correctly", 32766, val);
    buf.clear();
    buf.writeZero(3);
    buf.clear();
    ByteBufUtils.writeVarShort(buf, 32768);
    assertArrayEquals("Three byte short written", new byte[] { -128, 0, 1 }, buf.array());
    assertEquals("Three byte short written", 3, buf.readableBytes());
    buf.clear();
    buf.writeZero(3);
    buf.clear();
    buf.writeShort(-32768);
    buf.writeByte(1);
    val = ByteBufUtils.readVarShort(buf);
    assertEquals("Three byte short read correctly", 32768, val);
    buf.clear();
    buf.writeZero(3);
    buf.clear();
    ByteBufUtils.writeVarShort(buf, 8388607);
    assertArrayEquals("Three byte short written", new byte[] { -1, -1, -1 }, buf.array());
    assertEquals("Three byte short written", 3, buf.readableBytes());
    buf.clear();
    buf.writeZero(3);
    buf.clear();
    buf.writeShort(-1);
    buf.writeByte(-1);
    val = ByteBufUtils.readVarShort(buf);
    assertEquals("Three byte short read correctly", 8388607, val);
}