Example usage for io.netty.buffer ByteBuf readerIndex

Introduction

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

Prototype

public abstract ByteBuf readerIndex(int readerIndex);

Source Link

Document

Sets the readerIndex of this buffer.

Usage

From source file:com.talent.mysql.packet.request.AuthPacket.java

License:Open Source License

/**
 * @param args/*from  w ww .  j a va2 s.  c o  m*/
 */
public static void main(String[] args) {
    AuthPacket authPacket1 = new AuthPacket();
    authPacket1.decodeBody(null);

    byte[] bs = new byte[] { 82, 0, 0, 0, 10, 49, 48, 46, 48, 46, 49, 45, 77, 97, 114, 105, 97, 68, 66, 0, -98,
            1, 0, 0, 110, 104, 61, 56, 64, 122, 101, 107, 0, -1, -9, 8, 2, 0, 15, -96, 21, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 105, 78, 41, 35, 111, 43, 39, 124, 98, 82, 87, 60, 0, 109, 121, 115, 113, 108, 95, 110, 97,
            116, 105, 118, 101, 95, 112, 97, 115, 115, 119, 111, 114, 100, 0 };
    ByteBuf byteBuf = Unpooled.buffer(bs.length);
    byteBuf = byteBuf.order(ByteOrder.LITTLE_ENDIAN);

    byteBuf.setBytes(0, bs);

    HandshakePacket handshakePacket = new HandshakePacket();
    try {
        handshakePacket.decode(byteBuf);
        byteBuf.readerIndex(0);
    } catch (DecodeException e) {
        e.printStackTrace();
    }

    BackendConf backendConf = BackendConf.getInstance();
    BackendServerConf backendServerConf = backendConf.getServers()[0];

    AuthPacket authPacket = new AuthPacket();
    authPacket.charsetIndex = (byte) (handshakePacket.charset & 0xff);
    authPacket.user = backendServerConf.getProps().get("user").getBytes();
    try {
        authPacket.password = getPass(backendServerConf.getProps().get("pwd"), handshakePacket);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    authPacket.passwordLen = (byte) authPacket.password.length;
    authPacket.database = backendServerConf.getProps().get("db").getBytes();
    ByteBuf byteBuf1 = authPacket.encode();
    System.out.println(Arrays.toString(byteBuf1.array()));

}

---

From source file:com.talent.mysql.packet.response.HandshakePacket.java

License:Open Source License

/**
 * @param args/*from   w w w. ja  v a 2 s.c om*/
 * @throws DecodeException
 */
public static void main(String[] args) {
    byte[] bs = new byte[] { 82, 0, 0, 0, 10, 49, 48, 46, 48, 46, 49, 45, 77, 97, 114, 105, 97, 68, 66, 0, -98,
            1, 0, 0, 110, 104, 61, 56, 64, 122, 101, 107, 0, -1, -9, 8, 2, 0, 15, -96, 21, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 105, 78, 41, 35, 111, 43, 39, 124, 98, 82, 87, 60, 0, 109, 121, 115, 113, 108, 95, 110, 97,
            116, 105, 118, 101, 95, 112, 97, 115, 115, 119, 111, 114, 100, 0 };
    ByteBuf byteBuf = Unpooled.buffer(bs.length);
    byteBuf = byteBuf.order(ByteOrder.LITTLE_ENDIAN);

    byteBuf.setBytes(0, bs);

    HandshakePacket handshakePacket = new HandshakePacket();
    try {
        handshakePacket.decode(byteBuf);
        byteBuf.readerIndex(0);

        handshakePacket.decode(byteBuf);
        byteBuf.readerIndex(0);

        handshakePacket.decode(byteBuf);
        byteBuf.readerIndex(0);

        handshakePacket.decode(byteBuf);
        byteBuf.readerIndex(0);
    } catch (DecodeException e) {
        e.printStackTrace();
    }

}

---

From source file:com.vethrfolnir.encdec.ReadDataFiles.java

License:Open Source License

public static long[] readFile(URL url) {

    ByteBuf buff = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);

    try (DataInputStream is = new DataInputStream(url.openStream())) {
        buff.writeBytes(is, is.available());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }//from ww  w. j  a  v  a2s  . c o m

    int bits2 = buff.readUnsignedShort();

    System.out.println("First two bits: " + bits2 + " hex: 0x" + PrintData.fillHex(bits2, 2));

    long[] out_dat = new long[12];

    buff.readerIndex(6);
    int pointer = 0;
    for (int i = 0; i < 3; i++) {
        long[] buf = new long[4];

        for (int j = 0; j < 4; j++) {
            buf[j] = buff.readUnsignedInt();
        }

        out_dat[pointer++] = buf[0] ^ (xor_tab_datfile[0]);
        out_dat[pointer++] = buf[1] ^ (xor_tab_datfile[1] & 0xFFFFFFFFL);
        out_dat[pointer++] = buf[2] ^ (xor_tab_datfile[2] & 0xFFFFFFFFL);
        out_dat[pointer++] = buf[3] ^ (xor_tab_datfile[3]);
    }

    for (int i = 0; i < out_dat.length; i++) {
        System.out.print(" " + (out_dat[i]));
    }

    System.out.println();
    return null;
}

---

From source file:com.vethrfolnir.game.network.mu.crypt.MuEncoder.java

License:Open Source License

public static ByteBuf EncodePacket(ByteBuf buff, int serial) {
    int header = GetHeaderSize(buff);
    int packetSize = GetPacketSize(buff);
    int contentSize = packetSize - header;

    int encodedSize = (((contentSize / 8) + (((contentSize % 8) > 0) ? 1 : 0)) * 11) + header;

    int size = header;
    int originalHead = buff.getUnsignedByte(0);

    ByteBuf out = alloc.heapBuffer(encodedSize, encodedSize);

    //buff.writerIndex(buff.writerIndex() + 1);
    short[] Contents = new short[contentSize + 1];
    Contents[0] = (short) serial; // XXX:  Check this

    buff.readerIndex(header - 1);

    buff.setByte(header - 1, serial);// w  ww.  j  ava 2s. com

    MuCryptUtils.readAsUByteArray(buff, Contents);

    //System.out.println("Encoding: "+PrintData.printData(Contents));

    size += EncodeBuffer(Contents, out, header, (contentSize + 1));

    out.writerIndex(0);

    // Header
    out.writeByte(originalHead);

    // Size write
    switch (originalHead) {
    case 0xc3:
        out.writeByte(size);
        break;
    case 0xC4:
        out.writeByte(size >> 8);
        out.writeByte(size & 0xFF);
        break;
    }

    out.writerIndex(size);

    return out;
}

---

From source file:com.vethrfolnir.game.network.mu.crypt.MuKeyFactory.java

License:Open Source License

private static void readFile(String path, long[] out_dat) {

    AssetManager assetManager = Corax.fetch(AssetManager.class);

    ByteBuf buff = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);

    try (InputStream is = assetManager.loadAsset(FileKey.class, path)) {
        buff.writeBytes(is, is.available());
    } catch (IOException e) {
        e.printStackTrace();/*w  w  w  .ja  v a2 s . com*/
    }

    buff.readerIndex(6);
    int pointer = 0;
    for (int i = 0; i < 3; i++) {
        long[] buf = new long[4];

        for (int j = 0; j < 4; j++) {
            buf[j] = buff.readUnsignedInt();
        }

        out_dat[pointer++] = buf[0] ^ (xor_tab_datfile[0]);
        out_dat[pointer++] = buf[1] ^ (xor_tab_datfile[1] & 0xFFFFFFFFL);
        out_dat[pointer++] = buf[2] ^ (xor_tab_datfile[2] & 0xFFFFFFFFL);
        out_dat[pointer++] = buf[3] ^ (xor_tab_datfile[3]);
    }
}

---

From source file:com.vethrfolnir.game.network.mu.MuChannelHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf buff = (msg instanceof ByteBuffer) ? ctx.alloc().buffer().writeBytes((ByteBuffer) msg)
            : (ByteBuf) msg;//from  w ww.j av a2 s  .  c o  m

    buff.readerIndex(2);

    int opcode = buff.readUnsignedByte();
    switch (opcode) { // double opcode
    case 0xf1:
    case 0xf3:
    case 0x0e:
    case 0x03:
        buff.readerIndex(buff.readerIndex() - 1);
        opcode = buff.readUnsignedShort(); // ex 0xF1_03
        break;
    default:
        break;
    }

    if (opcode == 0xe00) { // Time packet?
        buff.clear();
        buff.release();
        return;
    }

    ReadPacket packet = clientpackets.get(opcode);

    if (packet != null) {
        MuClient client = ctx.channel().attr(MuClient.ClientKey).get();
        //System.out.println("Got opcode: 0x"+PrintData.fillHex(opcode, 2)+ " packet = \n"+packet.getClass().getSimpleName());
        packet.read(client, buff);
    } else {
        log.warn("Unknown packet[opcode = 0x" + PrintData.fillHex(opcode, 2) + "]. Dump: ");
        log.warn(PrintData.printData(buff.nioBuffer(0, buff.writerIndex())));
    }

    //log.warn(PrintData.printData(buff.nioBuffer(0, buff.writerIndex())));

    if (buff.refCnt() > 0) {
        //System.out.println("Handler Release when packet[opcode = 0x"+PrintData.fillHex(opcode, 2)+"]");
        buff.release();
    }
}

---

From source file:com.vethrfolnir.game.network.mu.received.ExRequestAuth.java

License:Open Source License

@Override
public void read(MuClient client, ByteBuf buff, Object... params) {

    if (MuNetworkServer.onlineClients() >= capacity) {
        invalidate(buff);// w  ww  .ja v a 2  s .c  o m

        client.sendPacket(MuPackets.ExAuthAnswer, AuthResult.ServerIsFull);
        return;
    }

    byte[] data1 = new byte[10];
    byte[] data2 = new byte[10];

    buff.getBytes(4, data1);
    buff.getBytes(14, data2);

    MuCryptUtils.Dec3bit(data1, 0, 10);
    MuCryptUtils.Dec3bit(data2, 0, 10);

    buff.setBytes(4, data1);
    buff.setBytes(14, data2);

    buff.readerIndex(4);

    String user = readS(buff, 10);
    String password = readS(buff, 10);

    buff.readerIndex(38);

    String version = readS(buff, 5);
    String mainSerial = readS(buff, 16);
    System.out.println("user: [" + user + "] pass[" + password + "] - " + " Version:[" + version + "] "
            + " Serial: [" + mainSerial + "]");

    enqueue(client, user, password, version, mainSerial);
}

---

From source file:com.vethrfolnir.login.network.mu.ClientChannelHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf buff = (ByteBuf) msg;

    switch (buff.getUnsignedByte(0)) {
    case 0xC1:/*from  w  w  w  . j  a va  2  s.c o  m*/
    case 0xC2:
    case 0xC3:
    case 0xC4:
        break;
    default:
        ctx.close();
        buff.release(); //TODO: maybe add a flood protector?
        log.warn("Client[" + ctx.channel() + "] is not a mu online client! Disconnecting!");
        return;
    }

    // we are not interested in the header and size;
    buff.readerIndex(2);

    int opcode = buff.readUnsignedShort();

    switch (opcode) {

    case 0xf4_03: { // Request Server information
        int serverId = buff.readUnsignedByte();
        ByteBuf buf = ctx.alloc().heapBuffer().order(ByteOrder.LITTLE_ENDIAN);

        WritePacket packet = SendServerInfo.StaticPacket;
        packet.write(null, buf, nameService, serverId);
        packet.markLength(buf);
        ;

        ctx.writeAndFlush(buf);
        break;
    }
    case 0xf4_06: { // Request Server list
        ByteBuf buf = ctx.alloc().heapBuffer().order(ByteOrder.LITTLE_ENDIAN);

        WritePacket packet = SendServerLists.StaticPacket;
        packet.write(null, buf, nameService);
        packet.markLength(buf);

        ctx.writeAndFlush(buf);
        break;
    }
    default:
        log.warn("Unkown packet[OPCODE = " + Integer.toHexString(opcode) + "] Dump: "
                + PrintData.printData(buff.nioBuffer(0, buff.writerIndex())));
        ctx.close();
        break;
    }
    buff.release();
}

---

From source file:com.vethrfolnir.network.ReadPacket.java

License:Open Source License

protected void invalidate(ByteBuf buff) {
    buff.readerIndex(buff.writerIndex());
}

---

From source file:com.xx_dev.apn.proxy.utils.ByteBufLogUtil.java

License:Apache License

public static String toLogString(ByteBuf byteBuf) {
    StringBuilder sb = new StringBuilder();
    byteBuf.readerIndex(0);
    while (byteBuf.isReadable()) {
        sb.append(String.valueOf((int) byteBuf.readByte())).append(",");
    }/*from w ww.  j  a va2 s. c om*/

    byteBuf.readerIndex(0);
    return sb.toString();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• »