Example usage for io.netty.buffer ByteBuf readShort

Introduction

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

Prototype

public abstract short readShort();

Source Link

Document

Gets a 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:org.virtue.network.protocol.Stage.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (buf.isReadable()) {
        switch (state()) {
        case READ_OPCODE:
            opcode = (buf.readByte() - cipher.nextInt()) & 0xFF;
            //System.out.println("Received opcode: " + opcode);
            checkpoint(Stage.READ_LENGTH);
            break;
        case READ_LENGTH:
            //System.out.println("Getting length of opcode: " + opcode);
            length = Constants.PACKET_SIZES[opcode];
            switch (length) {
            case -1:
                if (buf.isReadable()) {
                    length = buf.readByte() & 0xff;
                }/*from w ww  .  j ava 2  s.com*/
                break;
            case -2:
                if (buf.readableBytes() >= 2) {
                    length = buf.readShort() & 0xffff;
                }
                break;
            }
            checkpoint(Stage.FINALIZE);
            break;
        case FINALIZE:
            if (buf.readableBytes() >= length) {
                byte[] payload = new byte[length];
                buf.readBytes(payload, 0, length);
                out.add(new GameEventMessage(opcode, new InboundBuffer(payload)));
            }
            checkpoint(Stage.READ_OPCODE);
            break;
        }
    }
}

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From source file:org.virtue.network.protocol.social.SocialNetworkDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    int size = buf.readShort() & 0xFFFF;

    if (buf.readableBytes() < size)
        throw new IllegalStateException("Not enough readable bytes from buffer!");

    int version = buf.readInt();
    int subVersion = buf.readInt();

    if (version != Constants.FRAME_MAJOR && subVersion != Constants.FRAME_MINOR)
        throw new IllegalStateException("Invalid client version/sub-version!");

    //if (type.equals(LoginTypeMessage.LOGIN_WORLD))
    //buf.readByte();//TODO if its world login, client does send this byte. however social doesnt send the login type

    int secureBufferSize = buf.readShort() & 0xFFFF;
    if (buf.readableBytes() < secureBufferSize)
        throw new IllegalStateException("Not enough readable bytes from buffer.");

    byte[] secureBytes = new byte[secureBufferSize];
    buf.readBytes(secureBytes);/*from w ww. j  a  v a  2s . co  m*/
    ByteBuf secureBuffer = Unpooled.wrappedBuffer(new BigInteger(secureBytes)
            .modPow(Constants.getLoginKey(), Constants.getLoginModulus()).toByteArray());

    secureBuffer.readByte();
    secureBuffer.skipBytes(4);
    secureBuffer.readByte();
    secureBuffer.readByte();//int langID = 
    secureBuffer.readInt();
    int[] random = new int[5];
    for (int index = 0; index < random.length; index++) {
        random[index] = secureBuffer.readInt();
    }
    secureBuffer.readLong();
    secureBuffer.readByte();
    secureBuffer.readByte();
    ctx.channel().writeAndFlush(Unpooled.buffer().writeByte(0).writeByte(1).writeByte(2));
}

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From source file:pl.tcs.btppllib.telegrams.OcitResponseTelegram.java

public OcitResponseTelegram fromByteBuf(ByteBuf buf) {
    buf.readerIndex(0);/*  ww  w . j av  a2 s .c  om*/

    setHdrLen(buf.readByte());
    setOpts(buf.readByte());
    setJobTime(buf.readShort());
    setJobTimeCnt(buf.readShort());
    setMember(buf.readShort());
    setOtype(buf.readShort());
    setMethod(buf.readShort());
    setZnr(buf.readShort());
    setFnr(buf.readShort());
    setRetcode(buf.readShort());

    log.debug(String.format("znr=%d fnr=%d  member=%d otype=%d method=%d", getZnr(), getFnr(), getMember(),
            getOtype(), getMethod()));

    return this;
}

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From source file:qunar.tc.qmq.metainfoclient.MetaInfoClientHandler.java

License:Apache License

private static BrokerCluster deserializeBrokerCluster(ByteBuf buf) {
    final int brokerGroupSize = buf.readShort();
    final List<BrokerGroup> brokerGroups = new ArrayList<>(brokerGroupSize);
    for (int i = 0; i < brokerGroupSize; i++) {
        final BrokerGroup brokerGroup = new BrokerGroup();
        brokerGroup.setGroupName(PayloadHolderUtils.readString(buf));
        brokerGroup.setMaster(PayloadHolderUtils.readString(buf));
        brokerGroup.setUpdateTime(buf.readLong());
        final int brokerStateCode = buf.readByte();
        final BrokerState brokerState = BrokerState.codeOf(brokerStateCode);
        brokerGroup.setBrokerState(brokerState);
        brokerGroups.add(brokerGroup);/*ww w.j a v  a2s  . co  m*/
    }
    return new BrokerCluster(brokerGroups);
}

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From source file:qunar.tc.qmq.netty.DecodeHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf in, List<Object> list)
        throws Exception {
    if (in.readableBytes() < RemotingHeader.MIN_HEADER_SIZE + RemotingHeader.LENGTH_FIELD)
        return;//from ww  w . ja v  a2s .  com

    int magicCode = in.getInt(in.readerIndex() + RemotingHeader.LENGTH_FIELD);
    if (DEFAULT_MAGIC_CODE != magicCode) {
        throw new IOException("Illegal Data, MagicCode=" + Integer.toHexString(magicCode));
    }

    in.markReaderIndex();
    int total = in.readInt();
    if (in.readableBytes() < total) {
        in.resetReaderIndex();
        return;
    }

    short headerSize = in.readShort();
    RemotingHeader remotingHeader = decodeHeader(in);

    int bodyLength = total - headerSize - RemotingHeader.HEADER_SIZE_LEN;

    RemotingCommand remotingCommand = new RemotingCommand();
    //because netty(lower version) has memory leak when ByteBuf cross thread
    //We can ensure server use high version netty, bu we can't ensure client
    if (isServer) {
        ByteBuf bodyData = in.readSlice(bodyLength);
        bodyData.retain();
        remotingCommand.setBody(bodyData);
    } else {
        ByteBuf bodyData = Unpooled.buffer(bodyLength, bodyLength);
        in.readBytes(bodyData, bodyLength);
        remotingCommand.setBody(bodyData);
    }
    remotingCommand.setHeader(remotingHeader);
    list.add(remotingCommand);
}

---

From source file:qunar.tc.qmq.netty.DecodeHandler.java

License:Apache License

private RemotingHeader decodeHeader(ByteBuf in) {
    RemotingHeader remotingHeader = new RemotingHeader();
    // int magicCode(4 bytes)
    remotingHeader.setMagicCode(in.readInt());
    // short code
    remotingHeader.setCode(in.readShort());
    // short version
    remotingHeader.setVersion(in.readShort());
    // int opaque
    remotingHeader.setOpaque(in.readInt());
    // int flag/*from  ww  w .  j a  v a 2s . co  m*/
    remotingHeader.setFlag(in.readInt());
    // int requestCode
    remotingHeader.setRequestCode(in.readShort());
    return remotingHeader;
}

---

From source file:qunar.tc.qmq.protocol.consumer.PullRequestSerde.java

License:Apache License

private PullFilter readFilter(final ByteBuf in) {
    final short typeCode = in.readShort();
    final PullFilterType type = PullFilterType.fromCode(typeCode);
    switch (type) {
    case TAG:/*from  w w  w . jav a 2 s .  c  om*/
        return readTagPullFilter(in);
    case SUB_ENV_ISOLATION:
        return readSubEnvMatchPullFilter(in);
    default:
        throw new RuntimeException("unsupported pull filter type " + type);
    }
}

---

From source file:qunar.tc.qmq.protocol.consumer.PullRequestSerde.java

License:Apache License

private PullFilter readTagPullFilter(final ByteBuf in) {
    final int tagTypeCode = in.readShort();
    final byte tagSize = in.readByte();
    final List<byte[]> tags = new ArrayList<>(tagSize);
    for (int i = 0; i < tagSize; i++) {
        final int len = in.readShort();
        final byte[] bs = new byte[len];
        in.readBytes(bs);/* w  w w.ja  v  a 2 s  . co  m*/
        tags.add(bs);
    }

    if (tagTypeCode == TagType.NO_TAG.getCode()) {
        return null;
    } else {
        return new TagPullFilter(tagTypeCode, tags);
    }
}

---

From source file:qunar.tc.qmq.utils.PayloadHolderUtils.java

License:Apache License

public static String readString(ByteBuf in) {
    int len = in.readShort();
    byte[] bs = new byte[len];
    in.readBytes(bs);//w  w w .j  av  a2  s .c  o  m
    return CharsetUtils.toUTF8String(bs);
}

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From source file:qunar.tc.qmq.utils.PayloadHolderUtils.java

License:Apache License

public static Map<String, String> readStringMap(ByteBuf in, Map<String, String> map) {
    short size = in.readShort();
    for (int i = 0; i < size; i++) {
        map.put(readString(in), readString(in));
    }/*  w  w  w .  j  a  v  a  2  s.  co m*/
    return map;
}

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