Example usage for io.netty.buffer ByteBuf writeShort

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

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Introduction

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

Prototype

public abstract ByteBuf writeShort(int value);

Source Link

Document

Sets the specified 16-bit short integer at the current writerIndex and increases the writerIndex by 2 in this buffer.

Usage

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

License:Open Source License

/**
 * @param context/*from  w ww . j  a  v a 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 writeSh(ByteBuf buff, int value) {
    buff.writeShort(value);
}

From source file:com.witjit.game.client.Client.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup group = new NioEventLoopGroup();
    try {//from w  w w .  ja  v  a  2 s. c  o  m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ClientInitializer());

        // Start the connection attempt.
        Channel ch = b.connect(HOST, PORT).sync().channel();

        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        //            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        //            for (;;) {
        //                String line = in.readLine();
        //                if (line == null) {
        //                    break;
        //                }
        //
        //                // Sends the received line to the server.
        //                lastWriteFuture = ch.writeAndFlush(line + "\r\n");
        //
        //                // If user typed the 'bye' command, wait until the server closes
        //                // the connection.
        //                if ("bye".equals(line.toLowerCase())) {
        //                    ch.closeFuture().sync();
        //                    break;
        //                }
        //            }

        ByteBuf outb = Unpooled.buffer(200);
        outb.writeShort(127);
        outb.writeShort(10);
        outb.writeInt(10001);
        outb.writeByte(40);
        outb.writeByte(50);
        // Sends the received line to the server.
        lastWriteFuture = ch.writeAndFlush(outb);
        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }

        // Wait until the connection is closed.
        ch.closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.witjit.game.client.EchoClient.java

License:Apache License

private static void sendData(Channel ch) throws InterruptedException {
    ByteBuf outb = Unpooled.buffer(200);
    outb.writeShort(127);
    outb.writeShort(10);/* www  . java  2s. c  o m*/
    outb.writeInt(10001);
    outb.writeByte(40);
    outb.writeByte(50);
    // Sends the received line to the server.
    ChannelFuture writeFuture = ch.writeAndFlush(outb);
    // Wait until all messages are flushed before closing the channel.
    if (writeFuture != null) {
        writeFuture.sync();
    }

}

From source file:com.witjit.game.server.communication.netty.handler.NodeChannelInitializer.java

protected void sendNodeInformation(Channel ch) throws Exception {
    ByteBuf buffer = Unpooled.buffer(4);
    buffer.writeShort(localNodeId);
    ch.writeAndFlush(buffer);//from   w  ww.j av a  2  s.c  o  m
}

From source file:com.yahoo.pulsar.common.api.Commands.java

License:Apache License

private static ByteBuf serializeCommandSendWithSize(BaseCommand.Builder cmdBuilder, ChecksumType checksumType,
        MessageMetadata msgMetadata, ByteBuf payload) {
    // / Wire format
    // [TOTAL_SIZE] [CMD_SIZE][CMD] [MAGIC_NUMBER][CHECKSUM] [METADATA_SIZE][METADATA] [PAYLOAD]

    BaseCommand cmd = cmdBuilder.build();
    int cmdSize = cmd.getSerializedSize();
    int msgMetadataSize = msgMetadata.getSerializedSize();
    int payloadSize = payload.readableBytes();
    int magicAndChecksumLength = ChecksumType.Crc32c.equals(checksumType) ? (2 + 4 /* magic + checksumLength*/)
            : 0;/*from   w ww  . ja  va  2 s . c o  m*/
    boolean includeChecksum = magicAndChecksumLength > 0;
    int headerContentSize = 4 + cmdSize + magicAndChecksumLength + 4 + msgMetadataSize; // cmdLength + cmdSize + magicLength +
    // checksumSize + msgMetadataLength +
    // msgMetadataSize
    int totalSize = headerContentSize + payloadSize;
    int headersSize = 4 + headerContentSize; // totalSize + headerLength
    int checksumReaderIndex = -1;

    ByteBuf headers = PooledByteBufAllocator.DEFAULT.buffer(headersSize, headersSize);
    headers.writeInt(totalSize); // External frame

    try {
        // Write cmd
        headers.writeInt(cmdSize);

        ByteBufCodedOutputStream outStream = ByteBufCodedOutputStream.get(headers);
        cmd.writeTo(outStream);
        cmd.recycle();
        cmdBuilder.recycle();

        //Create checksum placeholder
        if (includeChecksum) {
            headers.writeShort(magicCrc32c);
            checksumReaderIndex = headers.writerIndex();
            headers.writerIndex(headers.writerIndex() + checksumSize); //skip 4 bytes of checksum
        }

        // Write metadata
        headers.writeInt(msgMetadataSize);
        msgMetadata.writeTo(outStream);
        outStream.recycle();
    } catch (IOException e) {
        // This is in-memory serialization, should not fail
        throw new RuntimeException(e);
    }

    ByteBuf command = DoubleByteBuf.get(headers, payload);

    // write checksum at created checksum-placeholder
    if (includeChecksum) {
        headers.markReaderIndex();
        headers.readerIndex(checksumReaderIndex + checksumSize);
        int metadataChecksum = computeChecksum(headers);
        int computedChecksum = resumeChecksum(metadataChecksum, payload);
        // set computed checksum
        headers.setInt(checksumReaderIndex, computedChecksum);
        headers.resetReaderIndex();
    }
    return command;
}

From source file:com.yea.remote.netty.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Message msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null) {
        throw new Exception("The encode message is null");
    }//from w  w  w  .ja v  a 2  s .  co  m
    ISerializer serializer = serializePool.borrow();
    try {
        long basedate = new Date().getTime();
        sendBuf.writeInt((msg.getHeader().getCrcCode()));// 4
        sendBuf.writeInt((msg.getHeader().getLength()));// 4Header+BodyHeader18
        sendBuf.writeBytes((msg.getHeader().getSessionID()));// 16
        sendBuf.writeByte((msg.getHeader().getType()));// 1
        sendBuf.writeByte((msg.getHeader().getPriority()));// 1
        sendBuf.writeByte((msg.getHeader().getResult()));// 1
        if (compressionAlgorithm != null && compressionAlgorithm.code() > 0) {
            // 
            serializer.setCompress(new Compress().setCompressionAlgorithm(compressionAlgorithm.algorithm()));
            sendBuf.writeByte(compressionAlgorithm.ordinal());
        } else {
            sendBuf.writeByte(RemoteConstants.CompressionAlgorithm.NONE.ordinal());
        }
        sendBuf.writeLong(basedate);// 8??
        if (msg.getHeader().getAttachment() != null && !msg.getHeader().getAttachment().isEmpty()) {
            sendBuf.writeByte(msg.getHeader().getAttachment().size());
            Map<String, Number> mapDateType = new HashMap<String, Number>();// Date
            Map<String, String> mapStringType = new HashMap<String, String>();// String

            int lengthPos = sendBuf.writerIndex();
            sendBuf.writeBytes(new byte[1]);// 1?Date?
            byte[] keyArray = null;
            byte[] valueArray = null;
            for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
                if (param.getValue() instanceof Date) {
                    //Date???byte
                    long time = basedate - ((Date) param.getValue()).getTime();
                    if (time > Integer.MAX_VALUE) {
                        mapDateType.put(param.getKey(), new Long(time));
                    } else if (time > Short.MAX_VALUE) {
                        mapDateType.put(param.getKey(), new Integer((int) time));
                    } else if (time > Byte.MAX_VALUE) {
                        mapDateType.put(param.getKey(), new Short((short) time));
                    } else {
                        mapDateType.put(param.getKey(), new Byte((byte) time));
                    }
                } else if (param.getValue() instanceof String) {
                    //??getBytes()?
                    mapStringType.put(param.getKey(), (String) param.getValue());
                } else {
                    keyArray = param.getKey().getBytes("ISO-8859-1");
                    sendBuf.writeShort(keyArray.length);
                    sendBuf.writeBytes(keyArray);

                    valueArray = serializer.serialize(param.getValue());
                    sendBuf.writeShort(valueArray.length);
                    sendBuf.writeBytes(valueArray);
                }
            }
            sendBuf.setByte(lengthPos,
                    msg.getHeader().getAttachment().size() - mapDateType.size() - mapStringType.size());

            if (mapDateType.isEmpty()) {
                sendBuf.writeByte(0);// 1Date?0
            } else {
                sendBuf.writeByte(mapDateType.size());// 1Date?
                for (Map.Entry<String, Number> param : mapDateType.entrySet()) {
                    keyArray = param.getKey().getBytes("ISO-8859-1");
                    sendBuf.writeShort(keyArray.length);
                    sendBuf.writeBytes(keyArray);

                    if (param.getValue() instanceof Long) {
                        sendBuf.writeByte(8);
                        sendBuf.writeLong((Long) param.getValue());
                    } else if (param.getValue() instanceof Integer) {
                        sendBuf.writeByte(4);
                        sendBuf.writeInt((Integer) param.getValue());
                    } else if (param.getValue() instanceof Short) {
                        sendBuf.writeByte(2);
                        sendBuf.writeShort((Short) param.getValue());
                    } else {
                        sendBuf.writeByte(1);
                        sendBuf.writeByte((Byte) param.getValue());
                    }
                }
            }

            if (mapStringType.isEmpty()) {
                sendBuf.writeByte(0);// 1String?0
            } else {
                sendBuf.writeByte(mapStringType.size());// 1String?
                for (Map.Entry<String, String> param : mapStringType.entrySet()) {
                    keyArray = param.getKey().getBytes("ISO-8859-1");
                    sendBuf.writeShort(keyArray.length);
                    sendBuf.writeBytes(keyArray);

                    valueArray = param.getValue().getBytes("ISO-8859-1");
                    sendBuf.writeShort(valueArray.length);
                    sendBuf.writeBytes(valueArray);
                }
            }
        } else {
            sendBuf.writeByte(0);// 20
        }

        if (msg.getBody() != null) {
            byte[] objArray = serializer.serialize(msg.getBody());
            int lengthPos = sendBuf.writerIndex();
            sendBuf.writeBytes(LENGTH_PLACEHOLDER);// 4Body
            sendBuf.writeBytes(objArray);
            sendBuf.setInt(lengthPos, sendBuf.writerIndex() - lengthPos - 4);// Body
        } else {
            sendBuf.writeInt(0);
        }
        sendBuf.setInt(4, sendBuf.readableBytes() - 8);// Header+Body
    } finally {
        serializePool.restore(serializer);
    }
}

From source file:cubicchunks.network.PacketCubeBlockChange.java

License:MIT License

@SuppressWarnings("deprecation")
@Override//from w  w  w  . ja v  a  2  s.  co m
public void toBytes(ByteBuf out) {
    out.writeInt(cubePos.getX());
    out.writeInt(cubePos.getY());
    out.writeInt(cubePos.getZ());
    out.writeShort(localAddresses.length);
    for (int i = 0; i < localAddresses.length; i++) {
        out.writeShort(localAddresses[i]);
        ByteBufUtils.writeVarInt(out, Block.BLOCK_STATE_IDS.get(blockStates[i]), 4);
    }
    out.writeByte(heightValues.length);
    for (int v : heightValues) {
        out.writeInt(v);
    }
}

From source file:de.gandev.modjn.entity.func.request.WriteMultipleRegistersRequest.java

License:Apache License

@Override
public ByteBuf encode() {
    ByteBuf buf = super.encode();

    buf.writeByte(byteCount);//from   w w w.  ja va2  s  .  c om

    for (int i = 0; i < registers.length; i++) {
        buf.writeShort(registers[i]);
    }

    return buf;
}

From source file:de.gandev.modjn.entity.func.response.ReadHoldingRegistersResponse.java

License:Apache License

@Override
public ByteBuf encode() {
    ByteBuf buf = Unpooled.buffer(calculateLength());
    buf.writeByte(getFunctionCode());/*from  w  w  w.  j  a v a 2s .  com*/
    buf.writeByte(byteCount);

    for (int i = 0; i < registers.length; i++) {
        buf.writeShort(registers[i]);
    }

    return buf;
}