Example usage for io.netty.buffer ByteBuf readShort

List of usage examples for io.netty.buffer ByteBuf readShort

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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.traccar.protocol.RuptelaProtocolDecoder.java

License:Apache License

private long readValue(ByteBuf buf, int length, boolean signed) {
    switch (length) {
    case 1:/*from  www  .j  av  a 2 s  .  co m*/
        return signed ? buf.readByte() : buf.readUnsignedByte();
    case 2:
        return signed ? buf.readShort() : buf.readUnsignedShort();
    case 4:
        return signed ? buf.readInt() : buf.readUnsignedInt();
    default:
        return buf.readLong();
    }
}

From source file:org.traccar.protocol.T800xProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    short header = buf.readShort();
    int type = buf.readUnsignedByte();
    buf.readUnsignedShort(); // length
    int index = buf.readUnsignedShort();
    ByteBuf imei = buf.readSlice(8);// w  w  w  .  j  av  a 2 s. com

    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress,
            ByteBufUtil.hexDump(imei).substring(1));
    if (deviceSession == null) {
        return null;
    }

    if (type == MSG_GPS || type == MSG_ALARM) {

        return decodePosition(channel, deviceSession, buf, header, type, index, imei);

    } else if (type == MSG_COMMAND) {

        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());

        getLastLocation(position, null);

        buf.readUnsignedByte(); // protocol number

        position.set(Position.KEY_RESULT, buf.toString(StandardCharsets.UTF_16LE));

        sendResponse(channel, header, type, index, imei, 0);

        return position;

    }

    sendResponse(channel, header, type, index, imei, 0);

    return null;
}

From source file:org.traccar.protocol.TeltonikaProtocolDecoder.java

License:Apache License

private void decodeLocation(Position position, ByteBuf buf, int codec) {

    int globalMask = 0x0f;

    if (codec == CODEC_GH3000) {

        long time = buf.readUnsignedInt() & 0x3fffffff;
        time += 1167609600; // 2007-01-01 00:00:00

        globalMask = buf.readUnsignedByte();
        if (BitUtil.check(globalMask, 0)) {

            position.setTime(new Date(time * 1000));

            int locationMask = buf.readUnsignedByte();

            if (BitUtil.check(locationMask, 0)) {
                position.setLatitude(buf.readFloat());
                position.setLongitude(buf.readFloat());
            }//from  www .j  a  v  a 2 s  . c om

            if (BitUtil.check(locationMask, 1)) {
                position.setAltitude(buf.readUnsignedShort());
            }

            if (BitUtil.check(locationMask, 2)) {
                position.setCourse(buf.readUnsignedByte() * 360.0 / 256);
            }

            if (BitUtil.check(locationMask, 3)) {
                position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
            }

            if (BitUtil.check(locationMask, 4)) {
                position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            }

            if (BitUtil.check(locationMask, 5)) {
                CellTower cellTower = CellTower.fromLacCid(buf.readUnsignedShort(), buf.readUnsignedShort());

                if (BitUtil.check(locationMask, 6)) {
                    cellTower.setSignalStrength((int) buf.readUnsignedByte());
                }

                if (BitUtil.check(locationMask, 7)) {
                    cellTower.setOperator(buf.readUnsignedInt());
                }

                position.setNetwork(new Network(cellTower));

            } else {
                if (BitUtil.check(locationMask, 6)) {
                    position.set(Position.KEY_RSSI, buf.readUnsignedByte());
                }
                if (BitUtil.check(locationMask, 7)) {
                    position.set(Position.KEY_OPERATOR, buf.readUnsignedInt());
                }
            }

        } else {

            getLastLocation(position, new Date(time * 1000));

        }

    } else {

        position.setTime(new Date(buf.readLong()));

        position.set("priority", buf.readUnsignedByte());

        position.setLongitude(buf.readInt() / 10000000.0);
        position.setLatitude(buf.readInt() / 10000000.0);
        position.setAltitude(buf.readShort());
        position.setCourse(buf.readUnsignedShort());

        int satellites = buf.readUnsignedByte();
        position.set(Position.KEY_SATELLITES, satellites);

        position.setValid(satellites != 0);

        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));

        position.set(Position.KEY_EVENT, readExtByte(buf, codec, CODEC_8_EXT, CODEC_16));
        if (codec == CODEC_16) {
            buf.readUnsignedByte(); // generation type
        }

        readExtByte(buf, codec, CODEC_8_EXT); // total IO data records

    }

    // Read 1 byte data
    if (BitUtil.check(globalMask, 1)) {
        int cnt = readExtByte(buf, codec, CODEC_8_EXT);
        for (int j = 0; j < cnt; j++) {
            decodeParameter(position, readExtByte(buf, codec, CODEC_8_EXT, CODEC_16), buf, 1, codec);
        }
    }

    // Read 2 byte data
    if (BitUtil.check(globalMask, 2)) {
        int cnt = readExtByte(buf, codec, CODEC_8_EXT);
        for (int j = 0; j < cnt; j++) {
            decodeParameter(position, readExtByte(buf, codec, CODEC_8_EXT, CODEC_16), buf, 2, codec);
        }
    }

    // Read 4 byte data
    if (BitUtil.check(globalMask, 3)) {
        int cnt = readExtByte(buf, codec, CODEC_8_EXT);
        for (int j = 0; j < cnt; j++) {
            decodeParameter(position, readExtByte(buf, codec, CODEC_8_EXT, CODEC_16), buf, 4, codec);
        }
    }

    // Read 8 byte data
    if (codec == CODEC_8 || codec == CODEC_8_EXT || codec == CODEC_16) {
        int cnt = readExtByte(buf, codec, CODEC_8_EXT);
        for (int j = 0; j < cnt; j++) {
            decodeOtherParameter(position, readExtByte(buf, codec, CODEC_8_EXT, CODEC_16), buf, 8);
        }
    }

    // Read 16 byte data
    if (extended) {
        int cnt = readExtByte(buf, codec, CODEC_8_EXT);
        for (int j = 0; j < cnt; j++) {
            int id = readExtByte(buf, codec, CODEC_8_EXT, CODEC_16);
            position.set(Position.PREFIX_IO + id, ByteBufUtil.hexDump(buf.readSlice(16)));
        }
    }

    // Read X byte data
    if (codec == CODEC_8_EXT) {
        int cnt = buf.readUnsignedShort();
        for (int j = 0; j < cnt; j++) {
            int id = buf.readUnsignedShort();
            int length = buf.readUnsignedShort();
            if (id == 256) {
                position.set(Position.KEY_VIN, buf.readSlice(length).toString(StandardCharsets.US_ASCII));
            } else {
                position.set(Position.PREFIX_IO + id, ByteBufUtil.hexDump(buf.readSlice(length)));
            }
        }
    }

    decodeNetwork(position);

}

From source file:org.traccar.protocol.Xt2400ProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    byte[] format = null;
    if (formats.size() > 1) {
        format = formats.get(buf.getUnsignedByte(buf.readerIndex()));
    } else if (!formats.isEmpty()) {
        format = formats.values().iterator().next();
    }//from   w ww .j  av  a2s . c o  m

    if (format == null) {
        return null;
    }

    Position position = new Position(getProtocolName());

    for (byte tag : format) {
        switch (tag) {
        case 0x03:
            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress,
                    String.valueOf(buf.readUnsignedInt()));
            if (deviceSession == null) {
                return null;
            }
            position.setDeviceId(deviceSession.getDeviceId());
            break;
        case 0x04:
            position.set(Position.KEY_EVENT, buf.readUnsignedByte());
            break;
        case 0x05:
            position.set(Position.KEY_INDEX, buf.readUnsignedShort());
            break;
        case 0x06:
            position.setTime(new Date(buf.readUnsignedInt() * 1000));
            break;
        case 0x07:
            position.setLatitude(buf.readInt() * 0.000001);
            break;
        case 0x08:
            position.setLongitude(buf.readInt() * 0.000001);
            break;
        case 0x09:
            position.setAltitude(buf.readShort() * 0.1);
            break;
        case 0x0a:
            position.setCourse(buf.readShort() * 0.1);
            break;
        case 0x0b:
            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
            break;
        case 0x10:
            position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedInt());
            break;
        case 0x12:
            position.set(Position.KEY_HDOP, buf.readUnsignedByte() * 0.1);
            break;
        case 0x13:
            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
            break;
        case 0x14:
            position.set(Position.KEY_RSSI, buf.readShort());
            break;
        case 0x16:
            position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.1);
            break;
        case 0x17:
            position.set(Position.KEY_POWER, buf.readUnsignedByte() * 0.1);
            break;
        case 0x57:
            position.set(Position.KEY_OBD_SPEED, UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
            break;
        case 0x65:
            position.set(Position.KEY_VIN, buf.readSlice(17).toString(StandardCharsets.US_ASCII));
            break;
        case 0x73:
            position.set(Position.KEY_VERSION_FW, buf.readSlice(16).toString(StandardCharsets.US_ASCII).trim());
            break;
        default:
            buf.skipBytes(getTagLength(tag));
            break;
        }
    }

    if (position.getLatitude() != 0 && position.getLongitude() != 0) {
        position.setValid(true);
    } else {
        getLastLocation(position, position.getDeviceTime());
    }

    return position;
}

From source file:org.virtue.network.protocol.creation.CreationDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (!buf.isReadable()) {
        return;//www  . j a v  a  2  s .  c  o  m
    }

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

    int major = buf.readShort();
    int minor = buf.readShort();
    if (major != Constants.FRAME_MAJOR && minor != Constants.FRAME_MINOR) {
        throw new ProtocolException("Invalid client version/sub-version! found: " + major + " " + minor
                + ", expected: " + Constants.FRAME_MAJOR + " " + Constants.FRAME_MINOR);
    }

    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);
    ByteBuf secureBuffer = Unpooled.wrappedBuffer(new BigInteger(secureBytes)
            .modPow(Constants.getLoginKey(), Constants.getLoginModulus()).toByteArray());

    int block = secureBuffer.readByte() & 0xFF;
    if (block != 10)
        throw new ProtocolException("Invalid block opcode: " + block);

    int[] xteaKey = new int[4];
    for (int i = 0; i < xteaKey.length; i++)
        xteaKey[i] = secureBuffer.readInt();

    for (int i = 0; i < 10; i++)
        ;
    secureBuffer.readInt();

    secureBuffer.readShort();

    byte[] xteaBlock = new byte[buf.readableBytes()];
    buf.readBytes(xteaBlock);

    XTEACipher xtea = new XTEACipher(xteaKey);
    xtea.decrypt(xteaBlock, 0, xteaBlock.length);

    ByteBuf xteaBuffer = Unpooled.wrappedBuffer(xteaBlock);

    String token = BufferUtility.readString(xteaBuffer);
    if (!token.equals(Constants.getJs5Token())) {
        throw new ProtocolException("Invalid creation token: " + token);
    }

    xteaBuffer.readShort();
    xteaBuffer.readInt();
    xteaBuffer.readInt();
    BufferUtility.readString(xteaBuffer);
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    int[] randomData = new int[24];
    for (int index = 0; index < randomData.length; index++) {
        randomData[index] = xteaBuffer.readUnsignedByte();
    }
    boolean stringIsNotNull = xteaBuffer.readByte() == 1;
    if (stringIsNotNull)
        BufferUtility.readString(xteaBuffer);

    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    xteaBuffer.readShort();
    xteaBuffer.readByte();
    BufferUtility.getTriByte(xteaBuffer);
    xteaBuffer.readShort();
    BufferUtility.readJagString(xteaBuffer);
    BufferUtility.readJagString(xteaBuffer);
    BufferUtility.readJagString(xteaBuffer);
    BufferUtility.readJagString(xteaBuffer);
    xteaBuffer.readByte();
    xteaBuffer.readShort();
    BufferUtility.readJagString(xteaBuffer);
    BufferUtility.readJagString(xteaBuffer);
    xteaBuffer.readByte();
    xteaBuffer.readByte();
    int[] tri = new int[3];
    for (int index = 0; index < tri.length; index++) {
        tri[index] = xteaBuffer.readInt();
    }
    xteaBuffer.readInt();
    BufferUtility.readJagString(xteaBuffer);

    int[] serverKeys = new int[xteaKey.length];
    for (int i = 0; i < serverKeys.length; i++) {
        serverKeys[i] = xteaKey[i] + 50;
    }

    Player player = new Player(ctx.channel(), new ISAACCipher(serverKeys), new ISAACCipher(xteaKey));
    player.setGameState(GameState.CREATION);
    player.setPrivilgeLevel(PrivilegeLevel.PLAYER);
    player.initialize(false, Virtue.getInstance().getConfigProvider());
    ctx.channel().writeAndFlush(Unpooled.buffer(1).writeByte(2));
    ctx.channel().pipeline().remove(this);
    ctx.channel().pipeline().addFirst("decoder", new ProtocolDecoder(player.getDecodingCipher()));
    ctx.channel().attr(NetworkHandler.attachment).set(new GameSession(ctx.channel(), player));
    player.getModel().setTemp();
    player.getModel().sendBlock(true, Virtue.getInstance().getConfigProvider().getWearposDefaults());
    LoginDispatcher.onAccountCreation(player);

    //out.add(new CreationRequestMessage(ctx.channel(), new ISAACCipher(serverKeys), new ISAACCipher(serverKeys)));
}

From source file:org.virtue.network.protocol.event.GameEventDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (buf.isReadable()) {
        int opcode = buf.readByte() - cipher.nextInt() & 0xFF;
        if (opcode < 0) {
            buf.discardReadBytes();//from ww w. j a  v a2s  .  com
            return;
        }
        int length = Constants.PACKET_SIZES[opcode];
        if (length < 0) {
            switch (length) {
            case -1:
                if (buf.isReadable()) {
                    length = buf.readByte() & 0xff;
                }
                break;
            case -2:
                if (buf.readableBytes() >= 2) {
                    length = buf.readShort() & 0xffff;
                }
                break;
            default:
                length = buf.readableBytes();
                break;
            }
        }
        if (buf.readableBytes() >= length) {
            if (length < 0) {
                return;
            }
            byte[] payload = new byte[length];
            buf.readBytes(payload, 0, length);
            out.add(new GameEventMessage(opcode, new InboundBuffer(payload)));
        }
    }
}

From source file:org.virtue.network.protocol.login.LoginDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (!buf.isReadable()) {
        return;/*from  ww w  .  j  a  v  a  2s .c  om*/
        //throw new IllegalStateException("Not enough readable bytes from buffer!");
    }

    int loginType = buf.readByte() & 0xFF;
    if (loginType == 26) {
        out.add(new LoginRequestMessage(LoginTypeMessage.LOGIN_CONTINUE));
        return;
    }
    if (loginType != 16 && loginType != 19 && loginType != 18 && loginType != 60) {
        throw new ProtocolException("Invalid login type: " + loginType);
    }

    type = loginType == 19 ? LoginTypeMessage.LOGIN_LOBBY : LoginTypeMessage.LOGIN_WORLD;
    size = buf.readShort() & 0xFFFF;

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

    byte[] block = new byte[size];
    buf.readBytes(block);
    buf = Unpooled.wrappedBuffer(block);

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

    System.out.printf("LoginDecoder:: Type(%s) size(%d) version %d %d\n", type + "", size, version, subVersion);

    if (version != Constants.FRAME_MAJOR && subVersion != Constants.FRAME_MINOR) {
        throw new ProtocolException("Invalid client version/sub-version! found: " + version + " " + subVersion
                + ", expected: " + Constants.FRAME_MAJOR + " " + Constants.FRAME_MINOR);
    }

    if (type.equals(LoginTypeMessage.LOGIN_WORLD)) {
        buf.readByte();
    }

    if (type.equals(LoginTypeMessage.LOGIN_LOBBY)) {
        decodeLobbyPayload(ctx, buf, out);
    } else if (type.equals(LoginTypeMessage.LOGIN_WORLD)) {
        decodeGamePayload(ctx, buf, out);
    }
}

From source file:org.virtue.network.protocol.login.LoginDecoder.java

License:Open Source License

private void decodeLobbyPayload(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out)
        throws ProtocolException {
    if (buf.readableBytes() < 2)
        throw new IllegalStateException("Not enough readable bytes from buffer.");

    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   www. j  a  v  a  2 s . c  om
    ByteBuf secureBuffer = Unpooled.wrappedBuffer(new BigInteger(secureBytes)
            .modPow(Constants.getLoginKey(), Constants.getLoginModulus()).toByteArray());

    int blockOpcode = secureBuffer.readByte() & 0xFF;
    if (blockOpcode != 10) {
        throw new ProtocolException("Invalid block opcode: " + blockOpcode);
    }

    int[] xteaKey = new int[4];
    for (int i = 0; i < xteaKey.length; i++) {
        xteaKey[i] = secureBuffer.readInt();
    }

    secureBuffer.readByte();
    secureBuffer.readInt();
    //if (loginHash != 0)
    //throw new ProtocolException("Invalid login hash: " + loginHash);

    String password = BufferUtility.readString(secureBuffer);

    long[] loginSeeds = new long[2];
    for (int i = 0; i < loginSeeds.length; i++) {
        loginSeeds[i] = secureBuffer.readLong();
    }

    byte[] xteaBlock = new byte[buf.readableBytes()];
    buf.readBytes(xteaBlock);

    XTEACipher xtea = new XTEACipher(xteaKey);
    xtea.decrypt(xteaBlock, 0, xteaBlock.length);

    ByteBuf xteaBuffer = Unpooled.wrappedBuffer(xteaBlock);

    boolean decodeAsString = xteaBuffer.readByte() == 1;
    String username = decodeAsString ? BufferUtility.readString(xteaBuffer)
            : Base37Utility.decodeBase37(xteaBuffer.readLong());

    xteaBuffer.readUnsignedByte();//Game ID
    xteaBuffer.readUnsignedByte();//Language ID
    xteaBuffer.readUnsignedByte();//Frame type (Fixed, Resizable, or Full Screen)

    xteaBuffer.readUnsignedShort();//Canvas Width
    xteaBuffer.readUnsignedShort();//Canvas Height
    xteaBuffer.readUnsignedByte();

    int[] randomData = new int[24];
    for (int index = 0; index < randomData.length; index++) {
        randomData[index] = xteaBuffer.readUnsignedByte();
    }

    String token = BufferUtility.readString(xteaBuffer);//Site Settings
    if (!token.equals(Constants.getLoginToken()))
        throw new IllegalStateException("Invalid server token. " + token);

    int length = xteaBuffer.readUnsignedByte();

    byte[] machineData = new byte[length];
    for (int data = 0; data < machineData.length; data++) {
        machineData[data] = (byte) xteaBuffer.readUnsignedByte();
    }

    xteaBuffer.readInt();
    BufferUtility.readString(xteaBuffer);
    xteaBuffer.readInt();
    xteaBuffer.readInt();
    BufferUtility.readString(xteaBuffer);

    xteaBuffer.readUnsignedByte();

    int[] cacheCRC = new int[36];
    for (int index = 0; index < cacheCRC.length; index++) {
        cacheCRC[index] = xteaBuffer.readInt();
    }

    int[] serverKeys = new int[xteaKey.length];
    for (int i = 0; i < serverKeys.length; i++) {
        serverKeys[i] = xteaKey[i] + 50;
    }

    System.out.println("Username = " + username);
    //System.out.println("Password = " + password);
    out.add(new LoginRequestMessage(ctx.channel(), UsernameUtility.formatForProtocol(username), password,
            username.contains("@"), new ISAACCipher(serverKeys), new ISAACCipher(xteaKey), type));
}

From source file:org.virtue.network.protocol.login.LoginDecoder.java

License:Open Source License

private void decodeGamePayload(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out)
        throws ProtocolException {
    if (buf.readableBytes() < 2) {
        throw new IllegalStateException("Not enough readable bytes from buffer.");
    }/* w  w w.  ja  v a 2s.c  o m*/

    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);
    ByteBuf secureBuffer = Unpooled.wrappedBuffer(new BigInteger(secureBytes)
            .modPow(Constants.getLoginKey(), Constants.getLoginModulus()).toByteArray());

    int blockOpcode = secureBuffer.readByte() & 0xFF;
    if (blockOpcode != 10) {
        throw new ProtocolException("Invalid block opcode: " + blockOpcode);
    }

    int[] xteaKey = new int[4];
    for (int i = 0; i < xteaKey.length; i++)
        xteaKey[i] = secureBuffer.readInt();

    secureBuffer.readLong();
    //if (loginHash != 0)
    //throw new ProtocolException("Invalid login hash: " + loginHash);

    secureBuffer.readByte();
    secureBuffer.readerIndex(secureBuffer.readerIndex() - 4);

    String password = BufferUtility.readString(secureBuffer);

    long[] loginSeeds = new long[2];
    for (int i = 0; i < loginSeeds.length; i++)
        loginSeeds[i] = secureBuffer.readLong();

    byte[] xteaBlock = new byte[buf.readableBytes()];
    buf.readBytes(xteaBlock);

    XTEACipher xtea = new XTEACipher(xteaKey);
    xtea.decrypt(xteaBlock, 0, xteaBlock.length);

    ByteBuf xteaBuffer = Unpooled.wrappedBuffer(xteaBlock);
    boolean decodeAsString = xteaBuffer.readByte() == 1;
    String username = decodeAsString ? BufferUtility.readString(xteaBuffer)
            : Base37Utility.decodeBase37(xteaBuffer.readLong());

    xteaBuffer.readUnsignedByte();
    xteaBuffer.readUnsignedShort();//Canvas Width
    xteaBuffer.readUnsignedShort();//Canvas Height

    xteaBuffer.readUnsignedByte();

    int[] randomData = new int[24];
    for (int index = 0; index < randomData.length; index++) {
        randomData[index] = xteaBuffer.readUnsignedByte();
    }

    String token = BufferUtility.readString(xteaBuffer);//Site Settings
    if (!token.equals(Constants.getLoginToken())) {
        throw new IllegalStateException("Invalid server token.");
    }

    xteaBuffer.readInt();

    int length = xteaBuffer.readUnsignedByte();

    byte[] machineData = new byte[length];
    for (int data = 0; data < machineData.length; data++) {
        machineData[data] = (byte) xteaBuffer.readUnsignedByte();
    }

    xteaBuffer.readInt();
    xteaBuffer.readInt();//User flow #2
    xteaBuffer.readInt();//User flow #1

    BufferUtility.readString(xteaBuffer);

    boolean extra = xteaBuffer.readUnsignedByte() == 1;
    if (extra) {
        BufferUtility.readString(xteaBuffer);//Create Additional Info
    }

    xteaBuffer.readUnsignedByte();//Javascript enabled
    xteaBuffer.readUnsignedByte();//Has Chrome browser
    xteaBuffer.readUnsignedByte();
    xteaBuffer.readUnsignedByte();

    xteaBuffer.readInt();
    @SuppressWarnings("unused")
    String videoCard = BufferUtility.readString(xteaBuffer);
    xteaBuffer.readUnsignedByte();

    xteaBuffer.readUnsignedShort();//Lobby node ID
    xteaBuffer.readUnsignedShort();//Media stream node ID

    int[] cacheCRC = new int[36];
    for (int index = 0; index < cacheCRC.length; index++) {
        cacheCRC[index] = xteaBuffer.readInt();
    }

    int[] serverKeys = new int[xteaKey.length];
    for (int i = 0; i < serverKeys.length; i++) {
        serverKeys[i] = xteaKey[i] + 50;
    }

    out.add(new LoginRequestMessage(ctx.channel(), UsernameUtility.formatForProtocol(username), password,
            username.contains("@"), new ISAACCipher(serverKeys), new ISAACCipher(xteaKey), type));
}

From source file:org.virtue.network.protocol.ondemand.OnDemandDecoder.java

License:Open Source License

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

    if (buf.readableBytes() < 6) {
        return;//from  www  .j  a  v a2 s  .c o m
    }

    int opcode = buf.readUnsignedByte();
    if (opcode == 0 || opcode == 1) {// file priority request || normal request
        out.add(new OnDemandRequestMessage(opcode == 1, buf.readUnsignedByte(), buf.readInt()));
    } else if (opcode == 2 || opcode == 3) {// client logged in || logged out
        out.add(new OnDemandStateMessage(opcode == 2, (buf.readUnsignedByte() | buf.readInt())));
    } else if (opcode == 4) {// encryption change
        out.add(new OnDemandEncryptionMessage(buf.readUnsignedByte(), buf.readInt()));
    } else if (opcode == 6) {// init connection
        out.add(new OnDemandInitMessage(buf.readUnsignedMedium(), buf.readShort()));
    } else if (opcode == 7) {// drop requests queue
        out.add(new OnDemandDropMessage(buf.readUnsignedByte() | buf.readInt()));
    }
}