Example usage for io.netty.buffer ByteBuf writeByte

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

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Introduction

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

Prototype

public abstract ByteBuf writeByte(int value);

Source Link

Document

Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer.

Usage

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

License:Open Source License

public static final long readRing(ByteBuf converter, short[] shift) {
    for (int i = 0; i < shift.length; i++) {
        converter.writeByte(shift[i]);
    }//w ww.jav  a  2s . c  om

    long uInt = converter.readInt();
    converter.clear();
    return uInt;
}

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

License:Open Source License

public static final short[] writeByteArray(ByteBuf buff, short[] uByteArray) {
    for (int i = 0; i < uByteArray.length; i++) {
        buff.writeByte(uByteArray[i]);
    }//  w w  w .  j  a va2 s.c om
    return uByteArray;
}

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

License:Open Source License

/**
 * C3 C4/*from  w  w  w  .  j  av a 2s  .c  om*/
 * @param buff
 * @return 
 */
public static ByteBuf DecodePacket(ByteBuf buff) {
    if (buff.writerIndex() <= 2) {
        log.fatal("Ambiguous buffer! " + ByteBufUtil.hexDump(buff));
        return null;
    }
    if (buff.readerIndex() != 0) {
        log.warn("Buffer must be at index 0!");
        buff.readerIndex(0);
    }

    int header = GetHeaderSize(buff);
    int packetSize = GetPacketSize(buff);
    int decodedSize = GetDecodedSize(buff);

    int contentSize = packetSize - header;

    //System.out.println("Header[0x"+PrintData.fillHex(buff.getUnsignedByte(0), 2)+"] size: "+GetHeaderSize(buff)+" Packet Size: "+GetPacketSize(buff) +" Content Size: "+contentSize +" Decoded: "+ GetDecodedSize(buff));

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

    int originalHead = buff.getUnsignedByte(0);

    buff.readerIndex(header);
    int size = DecodeBlock(buff, out, header, contentSize);
    //buff.clear();

    size += header - 1;

    out.writerIndex(0);
    out.writeByte(originalHead);

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

    out.writerIndex(size);
    out.readerIndex(header);

    DecXor32(out, header, size);

    out.readerIndex(0);
    return out;
}

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);//from   w  w  w .  jav a2  s .com

    buff.setByte(header - 1, serial);

    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.MuEncoder.java

License:Open Source License

/**
 * @param contents//from  w w w  .j  a v a2s.co  m
 * @param out
 * @param header
 * @param Size
 * @param toServer 
 * @return 
 */
private static int EncodeBuffer(short[] contents, ByteBuf out, int header, int Size) {
    int i = 0;
    int EncSize = 0;

    while (i < Size) {
        short[] Encrypted = new short[11];

        if (i + 8 < Size) {
            short[] Decrypted = new short[8];
            System.arraycopy(contents, i, Decrypted, 0, 8);
            BlockEncode(Encrypted, Decrypted, 8, MuKeyFactory.getServerToClientPacketEncKeys());
        } else {
            short[] Decrypted = new short[Size - i];
            System.arraycopy(contents, i, Decrypted, 0, Decrypted.length);

            BlockEncode(Encrypted, Decrypted, (Size - i), MuKeyFactory.getServerToClientPacketEncKeys());
        }

        out.writerIndex(header + EncSize);
        for (int j = 0; j < Encrypted.length; j++) {
            out.writeByte(Encrypted[j]);
        }

        i += 8;
        EncSize += 11;
    }

    return EncSize;
}

From source file:com.vethrfolnir.game.network.mu.packets.MuWritePacket.java

License:Open Source License

public void writeD(ByteBuf buff, int value, ByteOrder order) {
    switch (order.toString()) {
    case "BIG_ENDIAN": {
        buff.writeByte(value >> 8);
        buff.writeByte(value >> 16);
        buff.writeByte(value >> 32);
        buff.writeByte(value & 0xFF);
        break;//from ww  w.  j ava 2  s . c  om
    }
    case "LITTLE_ENDIAN": {
        buff.writeByte(value & 0xFF);
        buff.writeByte(value >> 32);
        buff.writeByte(value >> 16);
        buff.writeByte(value >> 8);
    }
    }
}

From source file:com.vethrfolnir.game.network.mu.packets.MuWritePacket.java

License:Open Source License

public void writeSh(ByteBuf buff, int value, ByteOrder order) {
    switch (order.toString()) {
    case "BIG_ENDIAN": {
        buff.writeByte(value >> 8);
        buff.writeByte(value & 0xFF);
        break;// ww  w .  j av  a  2  s .  c o m
    }
    case "LITTLE_ENDIAN": {
        buff.writeByte(value & 0xFF);
        buff.writeByte(value >> 8);
    }
    }
}

From source file:com.vethrfolnir.game.network.mu.packets.MuWritePacket.java

License:Open Source License

public void writeS(ByteBuf buff, String value, int max) {
    if (value == null)
        throw new RuntimeException("Value is null!");

    try {/*from w w w.  ja va 2 s .c o  m*/
        int l = value.length();
        buff.writeBytes(value.getBytes("ISO-8859-1"));
        for (int i = l; i < max; i++)
            buff.writeByte(0x00);
    } catch (UnsupportedEncodingException e) {
        log.warn("Failed writing string!", e);
    }
}

From source file:com.vethrfolnir.login.network.mu.send.SendServerLists.java

License:Open Source License

/**
 * @param context/*from www .ja  va 2 s.  c o  m*/
 * @param buff
 * @param params - GameNameService[0] 
 */
@Override
public void write(NetworkClient context, ByteBuf buff, Object... params) {
    GameNameService nameService = as(params[0]);

    int actualSize = nameService.liveServerSize();

    int size = (7 + (actualSize * 4));
    buff.writeByte(0xC2); // opcode

    //buff.writeShort(size);
    buff.writeByte(0x00); // size or empty ?
    buff.writeByte(size); // size?

    buff.writeByte(0xF4); // code
    buff.writeByte(0x06); // code

    buff.writeByte(0x00); // size or empty ?
    buff.writeByte(actualSize); // actual size

    // Formula
    // writeC((1 * 20 + 1));
    // 1 = server position on list, if changed to another nr it will subserver to that server id, else disapire
    // 20 = server to mult

    for (HashMap<Integer, GameServer> map : nameService.getLiveServers().values()) {
        for (GameServer server : map.values()) {
            int onlinePlayers = server.getOnlinePlayers() / server.getCap() * 100;

            buff.writeShort(server.getServerId());
            buff.writeShort(onlinePlayers);
        }
    }
}

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

License:Open Source License

public void writeC(ByteBuf buff, int value) {
    buff.writeByte(value);
}