Example usage for io.netty.buffer ByteBuf readByte

Introduction

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

Prototype

public abstract byte readByte();

Source Link

Document

Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:com.quavo.util.buf.ByteBufUtils.java

License:Open Source License

/**
 * Converts data from a {@link ByteBuf} into a readable jag string.
 *
 * @param buffer The {@link ByteBuf}./*from w  w w.  jav a  2 s .  co  m*/
 * @return The string.
 */
public static String readJagString(ByteBuf buffer) {
    StringBuilder bldr = new StringBuilder();
    byte b;
    buffer.readByte();
    while (buffer.isReadable() && (b = buffer.readByte()) != STRING_TERMINATOR) {
        bldr.append((char) b);
    }
    return bldr.toString();
}

From source file:com.rs3e.network.protocol.codec.handshake.HandshakeDecoder.java

License:Open Source License

@Override
public void inboundBufferUpdated(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    if (!in.readable())
        return;/*w  w w  . ja  va2 s .c  om*/
    ctx.pipeline().remove(HandshakeDecoder.class);

    int incomingOpcode = in.readByte() & 0xFF;
    HandshakeState handshakeState = HandshakeState.forId(incomingOpcode);

    if (handshakeState == null) {
        return;
    }
    switch (handshakeState) {
    case HANDSHAKE_UPDATE:
        ctx.pipeline().addFirst(new UpdateEncoder(), new UpdateStatusEncoder(), new XorEncoder(),
                new UpdateDecoder());
        break;
    case HANDSHAKE_WORLD_LIST:
        ctx.pipeline().addFirst(new WorldListEncoder(), new WorldListDecoder());
        break;
    case HANDSHAKE_LOGIN:
        ctx.pipeline().addFirst(new LoginEncoder(), new LoginDecoder());
        ctx.write(new LoginResponse(0));
        break;
    default:
        break;
    }

    ctx.nextInboundMessageBuffer().add(new HandshakeMessage(handshakeState));
    ctx.fireInboundBufferUpdated();

    if (in.readable()) {
        ChannelHandlerContext head = ctx.pipeline().firstContext();
        head.nextInboundByteBuffer().writeBytes(in.readBytes(in.readableBytes()));
        head.fireInboundBufferUpdated();
    }
}

From source file:com.rs3e.network.protocol.codec.js5.UpdateEncoder.java

License:Open Source License

@Override
public void encode(ChannelHandlerContext ctx, FileResponse response, ByteBuf buf) throws Exception {
    ByteBuf container = response.getContainer();
    int type = response.getType();
    int file = response.getFile();

    int compression = container.readUnsignedByte();
    int size = ((container.readByte() & 0xff) << 24) + ((container.readByte() & 0xff) << 16)
            + ((container.readByte() & 0xff) << 8) + (container.readByte() & 0xff);
    if (!response.isPriority()) {
        file |= 0x80000000;//www  . j a  v a  2 s .c o  m
    }

    buf.writeByte(type);
    buf.writeInt(file);
    buf.writeByte(compression);
    buf.writeInt(size);

    int bytes = container.readableBytes();
    if (bytes > 502) {
        bytes = 502;
    }

    buf.writeBytes(container.readBytes(bytes));

    for (;;) {
        bytes = container.readableBytes();
        if (bytes == 0) {
            break;
        } else if (bytes > 507) {
            bytes = 507;
        }
        buf.writeByte(type);
        buf.writeInt(file);
        buf.writeBytes(container.readBytes(bytes));

    }
}

From source file:com.sample.netty.socket.utils.MessageDecoder.java

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
    if (in.readableBytes() < 4) {
        return;/*from w  w  w.ja  va  2  s  .c o m*/
    }
    StringBuilder sb = new StringBuilder();
    while (in.isReadable()) {
        sb.append((char) in.readByte());
    }
    out.add(sb.toString());
}

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

License:Open Source License

@Override
public void decodeInto(ChannelHandlerContext context, ByteBuf buffer) {
    id = buffer.readByte();
}

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

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, FMLProxyPacket msg, List<Object> out) throws Exception {
    ByteBuf payload = msg.payload();
    byte discriminator = payload.readByte();

    Class<? extends AbstractPacket> apClass = this.packets.get(discriminator);

    if (apClass == null) {
        throw new NullPointerException(Strings.Packets.NOT_REGISTERED + apClass.getCanonicalName());
    }// w  w  w. jav a2 s. c o m

    AbstractPacket abstractPacket = apClass.newInstance();
    abstractPacket.decodeInto(ctx, payload.slice());

    EntityPlayer player;
    switch (FMLCommonHandler.instance().getEffectiveSide()) {
    case CLIENT:
        player = Minecraft.getMinecraft().thePlayer;
        abstractPacket.handleClientSide(player);
        break;
    case SERVER:
        INetHandler handler = ctx.channel().attr(NetworkRegistry.NET_HANDLER).get();
        player = ((NetHandlerPlayServer) handler).playerEntity;
        abstractPacket.handleServerSide(player);
        break;
    default:
    }

    out.add(abstractPacket);
}

From source file:com.savageboy74.savagetech.network.message.MessageKeyPressed.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    this.keyPressed = buf.readByte();
}

From source file:com.savageboy74.savagetech.network.message.MessageTileEntityBase.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    this.x = buf.readInt();
    this.y = buf.readInt();
    this.z = buf.readInt();
    this.orientation = buf.readByte();
    this.state = buf.readByte();
    int customNameLength = buf.readInt();
    this.customName = new String(buf.readBytes(customNameLength).array());
    int ownerLength = buf.readInt();
    this.owner = new String(buf.readBytes(ownerLength).array());
}

From source file:com.seventh_root.ld33.client.network.LD33ClientBoundPacketDecoder.java

License:Apache License

private String readString(ByteBuf buf) {
    String str = "";
    byte b = -1;//  www  .j a v a  2  s  .  c  o m
    while (buf.readableBytes() > 0 && b != 0) {
        b = buf.readByte();
        if (b != 0)
            str += (char) b;
    }
    return str;
}

From source file:com.spotify.folsom.client.binary.BinaryMemcacheDecoder.java

License:Apache License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf buf, final List<Object> out)
        throws Exception {
    for (int i = 0; i < BATCH_SIZE; i++) {
        if (buf.readableBytes() < 24) {
            return;
        }//www  . j  a v  a 2s .c o  m

        buf.markReaderIndex();

        final int magicNumber = buf.readUnsignedByte(); // byte 0
        if (magicNumber != 0x81) {
            throw fail(buf, String.format("Invalid magic number: 0x%2x", magicNumber));
        }

        final int opcode = buf.readByte(); // byte 1
        final int keyLength = buf.readUnsignedShort(); // byte 2-3
        final int extrasLength = buf.readUnsignedByte(); // byte 4
        buf.skipBytes(1);
        final int statusCode = buf.readUnsignedShort(); // byte 6-7

        final MemcacheStatus status = MemcacheStatus.fromInt(statusCode);

        final int totalLength = buf.readInt(); // byte 8-11
        final int opaque = buf.readInt();

        final long cas = buf.readLong();

        if (buf.readableBytes() < totalLength) {
            buf.resetReaderIndex();
            return;
        }

        buf.skipBytes(extrasLength);

        buf.skipBytes(keyLength);

        final int valueLength = totalLength - keyLength - extrasLength;
        byte[] valueBytes;
        if (valueLength == 0) {
            valueBytes = NO_BYTES;
        } else {
            valueBytes = new byte[valueLength];
        }

        buf.readBytes(valueBytes);

        replies.add(new ResponsePacket((byte) opcode, status, opaque, cas, valueBytes));
        if ((opaque & 0xFF) == 0) {
            out.add(replies);
            replies = new BinaryResponse();
        }
    }
}