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:eu.xworlds.util.raknet.RaknetDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
    final ByteBuf buf = msg.content();
    buf.order(ByteOrder.BIG_ENDIAN);
    final byte id = buf.readByte();
    final Constructor<? extends RaknetMessage> ctor = this.messages.get(Byte.valueOf(id));
    if (ctor == null) {
        final RaknetMessage result = new InvalidRaknetMessage(id, buf, msg.sender(), msg.recipient());
        out.add(result);/*from  w w  w .  ja v a2s.  c  om*/
    } else {
        try {
            final RaknetMessage result = ctor.newInstance(buf, msg.sender(), msg.recipient());
            out.add(result);
        } catch (Exception ex) {
            final RaknetMessage result = new InvalidRaknetMessage(id, buf, msg.sender(), msg.recipient(), ex);
            out.add(result);
        }
    }
}

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From source file:fourteen.proprietaryprotocol.codec.NettyMessageDecoder.java

License:Apache License

@Override
protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    ByteBuf frame = (ByteBuf) super.decode(ctx, in);
    if (frame == null) {
        return null;
    }/*from  w  ww.  j a  va  2 s .c  om*/

    NettyMessage message = new NettyMessage();
    Header header = new Header();
    header.setCrcCode(frame.readInt());
    header.setLength(frame.readInt());
    header.setSessionId(frame.readLong());
    header.setType(frame.readByte());
    header.setPriority(frame.readByte());

    int size = frame.readInt();
    if (size > 0) {
        Map<String, Object> attch = new HashMap<String, Object>(size);
        int keySize = 0;
        byte[] keyArray = null;
        String key = null;
        for (int i = 0; i < size; i++) {
            keySize = frame.readInt();
            keyArray = new byte[keySize];
            frame.readBytes(keyArray);
            key = new String(keyArray, "UTF-8");
            attch.put(key, marshallingDecoder.decode(frame));
        }
        keyArray = null;
        key = null;
        header.setAttachment(attch);
    }
    if (frame.readableBytes() > 4) {
        message.setObject(marshallingDecoder.decode(frame));
    }
    message.setHeader(header);
    return message;
}

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From source file:fr.letroll.ttorrentandroid.client.io.PeerMessageCodec.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (buf.readableBytes() == 0) {
        out.add(new PeerMessage.KeepAliveMessage());
        return;/*  w  w w  . ja v  a  2s  .  co  m*/
    }

    byte type = buf.readByte();

    PeerMessage message;
    switch (type) {
    case 0:
        message = new PeerMessage.ChokeMessage();
        break;
    case 1:
        message = new PeerMessage.UnchokeMessage();
        break;
    case 2:
        message = new PeerMessage.InterestedMessage();
        break;
    case 3:
        message = new PeerMessage.NotInterestedMessage();
        break;
    case 4:
        message = new PeerMessage.HaveMessage();
        break;
    case 5:
        message = new PeerMessage.BitfieldMessage();
        break;
    case 6:
        message = new PeerMessage.RequestMessage();
        break;
    case 7:
        message = new PeerMessage.PieceMessage();
        break;
    case 8:
        message = new PeerMessage.CancelMessage();
        break;
    case 20:
        byte extendedType = buf.readByte();
        switch (extendedType) {
        case 0:
            message = new PeerExtendedMessage.HandshakeMessage();
            break;
        default:
            throw new IOException("Unknown extended message type " + extendedType);
        }
    default:
        throw new IOException("Unknown message type " + type);
    }
    message.fromWire(buf);
    out.add(message);

    if (buf.readableBytes() > 0)
        throw new IOException("Badly framed message " + message + "; remaining=" + buf.readableBytes());
}

---

From source file:gedi.remote.codec.DefaultDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {

    if (in.readableBytes() < Integer.BYTES)
        return;/* ww  w  . j ava  2s  . c om*/

    in.markReaderIndex();
    int size = in.readInt();

    if (in.readableBytes() < size) {
        in.resetReaderIndex();
        return;
    }

    // everything has arrived, decode
    char[] classname = new char[in.readInt()];
    for (int i = 0; i < classname.length; i++)
        classname[i] = (char) (in.readByte() & 255);

    String clsName = String.valueOf(classname);

    if (clsName.length() == 1) {

        switch (clsName) {
        case "A":
            char[] re = new char[in.readInt()];
            for (int i = 0; i < re.length; i++)
                re[i] = (char) (in.readByte() & 255);
            out.add(String.valueOf(re));
            break;
        case "B":
            out.add(in.readByte());
            break;
        case "S":
            out.add(in.readShort());
            break;
        case "I":
            out.add(in.readInt());
            break;
        case "L":
            out.add(in.readLong());
            break;
        case "F":
            out.add(in.readFloat());
            break;
        case "D":
            out.add(in.readDouble());
            break;
        }

    } else {

        if (!ClassPathCache.getInstance().existsClass(clsName)) {
            in.resetReaderIndex();
            return;
        }

        Class<?> cls = Class.forName(clsName);
        BinarySerializable re = (BinarySerializable) cls.newInstance();

        BinaryBlob buff = new BinaryBlob(size - Integer.BYTES - classname.length);
        in.readBytes(buff.getBuffer());
        buff.getBuffer().flip();

        re.deserialize(buff);

        out.add(re);
    }
}

---

From source file:hellfirepvp.astralsorcery.common.network.packet.server.PktPlayEffect.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    this.typeOrdinal = buf.readByte();
    this.pos = ByteBufUtils.readPos(buf);
    this.data = buf.readInt();
}

---

From source file:hellfirepvp.astralsorcery.common.network.packet.server.PktSyncConfig.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    int count = buf.readByte();
    fields = new ArrayList<>(count);
    for (int i = 0; i < count; i++) {
        fields.add(new SyncTuple(null, null)); //Empty init
    }// w w  w. j  a  v  a 2 s  .  c o m

    for (int i = 0; i < count; i++) {
        byte[] data = new byte[buf.readShort()];
        buf.readBytes(data);

        ByteArrayInputStream in = new ByteArrayInputStream(data);
        SyncTuple tuple = null;
        String key = null;
        try {
            key = new DataInputStream(in).readUTF();
            Object value = new ObjectInputStream(in).readObject();
            tuple = new SyncTuple(key, value);
        } catch (Exception ignored) {
        }

        if (tuple == null) {
            fields = null;
            if (key != null) {
                AstralSorcery.log.info("Could not read config from server with key: " + key);
            }
            break;
        }
        fields.set(i, tuple);
    }
}

---

From source file:hellfirepvp.astralsorcery.common.network.packet.server.PktSyncKnowledge.java

License:Open Source License

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

    int cLength = buf.readInt();
    if (cLength != -1) {
        knownConstellations = new ArrayList<>(cLength);
        for (int i = 0; i < cLength; i++) {
            String val = ByteBufUtils.readString(buf);
            knownConstellations.add(val);
        }//from   w ww. ja  v  a 2 s.  co  m
    } else {
        knownConstellations = new ArrayList<>();
    }

    cLength = buf.readInt();
    if (cLength != -1) {
        seenConstellations = new ArrayList<>(cLength);
        for (int i = 0; i < cLength; i++) {
            String val = ByteBufUtils.readString(buf);
            seenConstellations.add(val);
        }
    } else {
        seenConstellations = new ArrayList<>();
    }

    int rLength = buf.readInt();
    if (rLength != -1) {
        researchProgression = new ArrayList<>(rLength);
        for (int i = 0; i < rLength; i++) {
            researchProgression.add(ResearchProgression.getById(buf.readInt()));
        }
    } else {
        researchProgression = new ArrayList<>();
    }

    int attunementPresent = buf.readByte();
    if (attunementPresent != -1) {
        String attunement = ByteBufUtils.readString(buf);
        IConstellation c = ConstellationRegistry.getConstellationByName(attunement);
        if (c == null || !(c instanceof IMajorConstellation)) {
            AstralSorcery.log.warn(
                    "[AstralSorcery] received constellation-attunement progress-packet with unknown constellation: "
                            + attunement);
        } else {
            this.attunedConstellation = (IMajorConstellation) c;
        }
    }

    int perkLength = buf.readInt();
    if (perkLength != -1) {
        this.appliedPerks = new HashMap<>(perkLength);
        for (int i = 0; i < perkLength; i++) {
            int id = buf.readInt();
            int lvl = buf.readInt();
            this.appliedPerks.put(ConstellationPerks.getById(id).getSingleInstance(), lvl);
        }
    } else {
        this.appliedPerks = new HashMap<>();
    }

    this.wasOnceAttuned = buf.readBoolean();
    this.progressTier = buf.readInt();
    this.alignmentCharge = buf.readDouble();
}

---

From source file:herddb.proto.PduCodec.java

License:Apache License

public static Object readObject(ByteBuf dii) {

    int type = ByteBufUtils.readVInt(dii);

    switch (type) {
    case TYPE_BYTEARRAY:
        return ByteBufUtils.readArray(dii);
    case TYPE_LONG:
        return dii.readLong();
    case TYPE_INTEGER:
        return dii.readInt();
    case TYPE_SHORT:
        return dii.readShort();
    case TYPE_BYTE:
        return dii.readByte();
    case TYPE_STRING:
        return ByteBufUtils.readUnpooledRawString(dii);
    case TYPE_TIMESTAMP:
        return new java.sql.Timestamp(dii.readLong());
    case TYPE_NULL:
        return null;
    case TYPE_BOOLEAN:
        return dii.readBoolean();
    case TYPE_DOUBLE:
        return dii.readDouble();
    default://from www.j a  va2 s. c om
        throw new IllegalArgumentException("bad column type " + type);
    }
}

---

From source file:herddb.utils.ByteBufUtils.java

License:Apache License

protected static final int readVIntUnfolded(ByteBuf buffer) {
    byte b = buffer.readByte();
    int i = b & 0x7F;

    if ((b & 0x80) != 0) {
        b = buffer.readByte();/*w  w  w. j  a v a 2s.com*/
        i |= (b & 0x7F) << 7;

        if ((b & 0x80) != 0) {
            b = buffer.readByte();
            i |= (b & 0x7F) << 14;

            if ((b & 0x80) != 0) {
                b = buffer.readByte();
                i |= (b & 0x7F) << 21;

                if ((b & 0x80) != 0) {
                    b = buffer.readByte();
                    i |= (b & 0x7F) << 28;
                }
            }
        }
    }
    return i;
}

---

From source file:herddb.utils.ByteBufUtils.java

License:Apache License

protected static final int readVIntFolded(ByteBuf buffer) {
    byte b = buffer.readByte();
    int i = b & 0x7F;
    for (int shift = 7; (b & 0x80) != 0; shift += 7) {
        b = buffer.readByte();// w w  w.j  a  va2s.  co  m
        i |= (b & 0x7F) << shift;
    }
    return i;
}

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