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:org.dcache.xrootd.tpc.protocol.messages.OutboundOpenReadOnlyRequest.java

License:Open Source License

@Override
protected void getParams(ByteBuf buffer) {
    buffer.writeShort(kXR_ur | kXR_gr);
    buffer.writeShort(kXR_open_read | kXR_retstat);
    buffer.writeBytes(RESERVED);// www. jav  a 2s  . co m
    int len = path.length();
    buffer.writeInt(len);
    buffer.writeBytes(path.getBytes(US_ASCII));
}

From source file:org.dcache.xrootd.tpc.protocol.messages.OutboundProtocolRequest.java

License:Open Source License

@Override
public void writeTo(ChannelHandlerContext ctx, ChannelPromise promise) {
    ByteBuf buffer = ctx.alloc().buffer(24);
    try {/*from   w w w.  j av  a2 s  . c  o m*/
        buffer.writeShort(streamId);
        buffer.writeShort(kXR_protocol);
        buffer.writeInt(version);
        buffer.writeBytes(RESERVED);
        buffer.writeByte(kXR_secreqs);
        buffer.writeInt(0);
    } catch (Error | RuntimeException t) {
        promise.setFailure(t);
        buffer.release();
        return;
    }

    ctx.write(buffer, promise);
}

From source file:org.dcache.xrootd.tpc.protocol.messages.OutboundSigverRequest.java

License:Open Source License

@Override
protected void getParams(ByteBuf buffer) {
    buffer.writeShort(expectrid);
    buffer.writeByte(0);/*from ww w .j  av  a2s  .  c o m*/
    buffer.writeByte(0); // we do not send write requests, so no data = 0x0
    buffer.writeLong(seqno);
    buffer.writeByte(kXR_SHA256);
    buffer.writeBytes(RESERVED);
    buffer.writeInt(signature.length);
    buffer.writeBytes(signature);
}

From source file:org.dna.mqtt.moquette.parser.netty.SubAckEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext chc, SubAckMessage message, ByteBuf out) {
    if (message.types().isEmpty()) {
        throw new IllegalArgumentException("Found a suback message with empty topics");
    }//from  w w  w . ja v a2  s.  c  o  m

    int variableHeaderSize = 2 + message.types().size();
    ByteBuf buff = chc.alloc().buffer(6 + variableHeaderSize);
    try {
        buff.writeByte(AbstractMessage.SUBACK << 4);
        buff.writeBytes(Utils.encodeRemainingLength(variableHeaderSize));
        buff.writeShort(message.getMessageID());
        for (QOSType c : message.types()) {
            int qosValue = (c == QOSType.FAILURE) ? qosValue = 0x80 : c.ordinal();
            buff.writeByte(qosValue);
        }

        out.writeBytes(buff);
    } finally {
        buff.release();
    }
}

From source file:org.eclipse.moquette.parser.netty.SubAckDecoderTest.java

License:Open Source License

private void initHeaderQos(ByteBuf buff, int messageID, AbstractMessage.QOSType... qoss)
        throws IllegalAccessException {
    buff.clear().writeByte(AbstractMessage.SUBACK << 4)
            .writeBytes(Utils.encodeRemainingLength(2 + qoss.length));

    buff.writeShort(messageID);
    for (AbstractMessage.QOSType qos : qoss) {
        buff.writeByte(qos.ordinal());/*from  www .  j a v a 2s  .  c  o  m*/
    }
}

From source file:org.eclipse.moquette.parser.netty.SubscribeDecoderTest.java

License:Open Source License

private void initMultiTopic(ByteBuf buff, int messageID, SubscribeMessage.Couple... topics)
        throws IllegalAccessException {
    ByteBuf topicBuffer = Unpooled.buffer(4);
    topicBuffer.writeShort(messageID);
    for (SubscribeMessage.Couple couple : topics) {
        topicBuffer.writeBytes(Utils.encodeString(couple.getTopicFilter()));
        topicBuffer.writeByte(couple.getQos());
    }/*from ww w.  j  a  v a  2s  .  c o m*/

    buff.clear().writeByte(AbstractMessage.SUBSCRIBE << 4 | (byte) 0x02)
            .writeBytes(Utils.encodeRemainingLength(topicBuffer.readableBytes()));
    buff.writeBytes(topicBuffer);
}

From source file:org.eclipse.moquette.parser.netty.SubscribeDecoderTest.java

License:Open Source License

private void initPollutedTopic(ByteBuf buff, int messageID, SubscribeMessage.Couple topic)
        throws IllegalAccessException {
    ByteBuf topicBuffer = Unpooled.buffer(4);
    topicBuffer.writeShort(messageID);
    topicBuffer.writeBytes(Utils.encodeString(topic.getTopicFilter()));
    topicBuffer.writeByte(0xF0 | topic.getQos());

    buff.clear().writeByte(AbstractMessage.SUBSCRIBE << 4 | (byte) 0x02)
            .writeBytes(Utils.encodeRemainingLength(topicBuffer.readableBytes()));
    buff.writeBytes(topicBuffer);//w  ww .j  a  va 2  s .  co m
}

From source file:org.eclipse.neoscada.protocol.iec60870.apci.APDUEncoder.java

License:Open Source License

private void handleIFormat(final InformationTransfer msg, ByteBuf out) {
    final ByteBuf data = msg.getData();
    try {/*from   w  w  w . j ava2s . c o  m*/
        out = out.order(ByteOrder.LITTLE_ENDIAN);

        final int len = data.readableBytes();

        if (len > Constants.APCI_MAX_DATA_LENGTH) {
            throw new EncoderException(String.format("Packet too big - %s bytes", len));
        }

        out.ensureWritable(6 + len);
        out.writeByte(Constants.START_BYTE);
        out.writeByte(4 + len);
        out.writeShort(msg.getSendSequenceNumber() << 1);
        out.writeShort(msg.getReceiveSequenceNumber() << 1);
        out.writeBytes(data);
    } finally {
        ReferenceCountUtil.release(msg.getData());
    }
}

From source file:org.eclipse.neoscada.protocol.iec60870.apci.APDUEncoder.java

License:Open Source License

private void handleSFormat(final Supervisory msg, ByteBuf out) {
    out = out.order(ByteOrder.LITTLE_ENDIAN);

    out.ensureWritable(6);//  w  w  w.  jav  a 2  s .c  o m
    out.writeByte(Constants.START_BYTE);
    out.writeByte(4);
    out.writeBytes(new byte[] { 0x01, 0x00 });
    out.writeShort(msg.getReceiveSequenceNumber() << 1);
}

From source file:org.eclipse.neoscada.protocol.iec60870.asdu.types.ASDUAddress.java

License:Open Source License

public int[] toArray() {
    final ByteBuf buf = Unpooled.buffer(2);
    buf.writeShort(this.address);
    return new int[] { buf.getUnsignedByte(0), buf.getUnsignedByte(1) };
}