Example usage for io.netty.buffer ByteBuf writeInt

Introduction

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

Prototype

public abstract ByteBuf writeInt(int value);

Source Link

Document

Sets the specified 32-bit integer at the current writerIndex and increases the writerIndex by 4 in this buffer.

Usage

From source file:com.dinstone.jrpc.transport.netty4.TransportProtocolEncoder.java

License:Apache License

private void writeFrame(ByteBuf out, byte[] rpcBytes) {
    int objectSize = rpcBytes.length;
    if (objectSize > maxObjectSize) {
        throw new IllegalArgumentException(
                "The encoded object is too big: " + objectSize + " (> " + maxObjectSize + ')');
    }/*www  .j a  v  a  2  s .  c o  m*/

    // FrameLen = PrefixLen + RpcObjectSize
    out.writeInt(objectSize);
    out.writeBytes(rpcBytes);
}

From source file:com.doctor.netty5.example.factorial_algorithm.NumberEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Number msg, ByteBuf out) throws Exception {

    if (msg == null) {
        throw new RuntimeException("not null");
    }/*from   w w  w .j  a  va  2  s .c  o m*/
    BigInteger integer = null;
    if (msg instanceof BigInteger) {
        integer = (BigInteger) msg;
    } else {
        integer = new BigInteger(String.valueOf(msg));
    }

    byte[] byteArray = integer.toByteArray();
    // ?F +  +  -> 1 + 4 + ?
    out.writeByte((byte) 'F');
    out.writeInt(byteArray.length);
    out.writeBytes(byteArray);
}

From source file:com.dwarf.netty.guide.factorial.NumberEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Number msg, ByteBuf out) {
    // Convert to a BigInteger first for easier implementation.
    BigInteger v;//ww  w.  j  a v a  2s.co  m
    if (msg instanceof BigInteger) {
        v = (BigInteger) msg;
    } else {
        v = new BigInteger(String.valueOf(msg));
    }

    // Convert the number into a byte array.
    byte[] data = v.toByteArray();
    int dataLength = data.length;

    // Write a message.
    out.writeByte((byte) 'F'); // magic number
    out.writeInt(dataLength); // data length
    out.writeBytes(data); // data
}

From source file:com.eagle.adventurersalchemy.tile.TileEntityAlchemicalFire.java

License:Open Source License

@Override
public void writeToByteBuff(ByteBuf buf) {
    buf.writeInt(fireColor);
}

From source file:com.eagle.resonantreflux.networking.MessageChamber.java

License:Open Source License

@Override
public void toBytes(ByteBuf buf) {
    buf.writeInt(x);
    buf.writeInt(y);//  www  . ja  v  a2  s .  c o m
    buf.writeInt(z);
    buf.writeInt(progress);
    buf.writeInt(multiplier);
    buf.writeInt(multiplierDuration);
    buf.writeInt(powerStored);
    buf.writeInt(powerMax);
}

From source file:com.ebay.jetstream.messaging.transport.netty.compression.MessageCompressionHandler.java

License:MIT License

/**
 * Invoked when {@link Channel#write(Object)} is called.
 *///from  w  w  w  .  ja  va2s. co m
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {

    try {

        Attribute<Boolean> attr = ctx.channel().attr(EventProducer.m_eckey);

        Boolean enableCompression = attr.get();

        if ((enableCompression != null) && (enableCompression == true)) {

            ByteBuf chbuf = (ByteBuf) msg;

            int msglen = chbuf.readableBytes();
            ExtendedChannelPromise epromise = (ExtendedChannelPromise) promise;
            epromise.setRawBytes(msglen);

            byte[] compressed = Snappy.rawCompress(chbuf.readBytes(msglen).array(), msglen);

            epromise.setCompressedBytes(compressed.length + 4);
            chbuf.release(); // need to release the original buffer - do I need to check if this this a ref counted buffer

            ByteBuf sendbuf = ctx.alloc().buffer();

            sendbuf.writeInt(compressed.length);
            sendbuf.writeBytes(compressed);

            ctx.write(sendbuf, promise);

            m_totalMessagesCompressed.increment();

        } else {

            ctx.write(msg, promise);

        }

    } catch (Throwable t) {
        m_totalMessagesDropped.increment();
        LOGGER.debug("Failed to compress message - " + t.getLocalizedMessage());

    }

}

From source file:com.eightkdata.mongowp.mongoserver.encoder.ReplyMessageEncoder.java

License:Open Source License

public static void encodeMessageHeader(ByteBuf buffer, ReplyMessage message, int requestId) {
    buffer.writeInt(requestId);
    buffer.writeInt(message.getResponseTo());
    buffer.writeInt(ResponseOpCode.OP_REPLY.getOpCode());
}

From source file:com.eightkdata.mongowp.mongoserver.encoder.ReplyMessageEncoder.java

License:Open Source License

public static void encodeMessageBody(ByteBuf buffer, ReplyMessage message) {
    buffer.writeInt(EnumInt32FlagsUtil.getInt32Flags(message.getFlags()));
    buffer.writeLong(message.getCursorId());
    buffer.writeInt(message.getStartingFrom());
    buffer.writeInt(message.getDocuments().size());

    for (BSONDocument document : message.getDocuments()) {
        document.writeToByteBuf(buffer);
    }/*from   w w  w.j  a  v  a 2  s.co m*/
}

From source file:com.eightkdata.mongowp.server.encoder.ReplyMessageEncoder.java

License:Open Source License

public void encodeMessageHeader(ByteBuf buffer, ReplyMessage message, int requestId) {
    buffer.writeInt(requestId);
    buffer.writeInt(message.getResponseTo());
    buffer.writeInt(ResponseOpCode.OP_REPLY.getOpCode());
}

From source file:com.eightkdata.mongowp.server.encoder.ReplyMessageEncoder.java

License:Open Source License

public void encodeMessageBody(ByteBuf buffer, ReplyMessage message) {
    FluentIterable<? extends BsonDocument> docs = message.getDocuments().getIterable(AllocationType.HEAP);

    buffer.writeInt(EnumInt32FlagsUtil.getInt32Flags(extractFlags(message)));
    buffer.writeLong(message.getCursorId());
    buffer.writeInt(message.getStartingFrom());
    buffer.writeInt(docs.size());/*from w ww . j  ava 2  s.c om*/

    for (BsonDocument document : docs) {
        writer.writeInto(buffer, document);
    }
}