Example usage for io.netty.buffer ByteBuf writeShort

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:io.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  .j a  v  a  2s.  co  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()) {
            buff.writeByte(c.byteValue());
        }

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

From source file:io.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.topicFilter));
        topicBuffer.writeByte(couple.qos);
    }/*  ww  w. ja  va2s  .  c o  m*/

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

From source file:io.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.topicFilter));
    topicBuffer.writeByte(0xF0 | topic.qos);

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

From source file:io.moquette.parser.netty.TestUtils.java

License:Open Source License

/**
 * Verify the presence of the given string starting from the current position
 * inside the buffer./*  w ww  .j  av  a 2 s. c o m*/
 */
static void verifyString(String str, ByteBuf buff) throws UnsupportedEncodingException {
    ByteBuf tmpBuff = Unpooled.buffer(2);
    byte[] raw = str.getBytes("UTF-8");
    tmpBuff.writeShort(raw.length);
    tmpBuff.writeBytes(raw);
    int buffLen = raw.length + 2;
    verifyByteBuf(tmpBuff, buff.slice(buff.readerIndex(), buffLen));
    buff.skipBytes(buffLen);
}

From source file:io.moquette.parser.netty.UnsubscribeDecoderTest.java

License:Open Source License

private void initMultiTopic(ByteBuf buff, int messageID, String... topics) throws IllegalAccessException {
    ByteBuf topicBuffer = Unpooled.buffer(4);
    topicBuffer.writeShort(messageID);
    for (String topic : topics) {
        topicBuffer.writeBytes(Utils.encodeString(topic));
    }/*  w w w.ja v a2  s.  co m*/

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

From source file:io.netlibs.bgp.netty.protocol.BadMessageLengthNotificationPacket.java

License:Apache License

@Override
protected ByteBuf encodeAdditionalPayload() {
    final ByteBuf buffer = Unpooled.buffer(2);

    buffer.writeShort(this.getLength());

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.BGPv4Packet.java

License:Apache License

/**
 * wrap the BGP payload in a BGPv4 header field
 *
 * @param wrapped//from  w w  w  .  j  a va  2s.com
 *          the packet payload
 * @param type
 *          the packet type code
 * @return the completely assembled BGPv4 packet
 */

private ByteBuf wrapBufferHeader(final ByteBuf wrapped, final int type) {

    final int wrappedSize = (wrapped != null) ? wrapped.readableBytes() : 0;

    final ByteBuf buffer = Unpooled.buffer(wrappedSize + BGPv4Constants.BGP_PACKET_HEADER_LENGTH);

    for (int i = 0; i < BGPv4Constants.BGP_PACKET_MARKER_LENGTH; i++) {
        buffer.writeByte(0xff);
    }

    buffer.writeShort(wrappedSize + BGPv4Constants.BGP_PACKET_HEADER_LENGTH);
    buffer.writeByte(type);

    if (wrapped != null) {
        buffer.writeBytes(wrapped);
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.MaximumNumberOfPrefixesReachedNotificationPacket.java

License:Apache License

@Override
protected ByteBuf encodeAdditionalPayload() {
    ByteBuf buffer = null;

    if (this.addressFamily != null) {
        buffer = Unpooled.buffer(7);/*  w  w w . j a va  2s  .  c om*/

        buffer.writeShort(this.addressFamily.toCode());
        buffer.writeByte(this.subsequentAddressFamily.toCode());
        buffer.writeInt(this.prefixUpperBound);
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.open.CapabilityCodec.java

License:Apache License

private static ByteBuf encodeOutboundRouteFilteringCapability(final OutboundRouteFilteringCapability cap) {
    final ByteBuf buffer = Unpooled.buffer(5 + (2 * cap.getFilters().size()));

    buffer.writeShort(cap.getAddressFamily().toCode());
    buffer.writeByte(0);/*  w  ww. j a  v  a 2 s  .c om*/
    buffer.writeByte(cap.getSubsequentAddressFamily().toCode());
    buffer.writeByte(cap.getFilters().size());

    for (final ORFType type : cap.getFilters().keySet()) {
        buffer.writeByte(type.toCode());
        buffer.writeByte(cap.getFilters().get(type).toCode());
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.open.CapabilityCodec.java

License:Apache License

private static ByteBuf encodeMultiprotocolCapability(final MultiProtocolCapability cap) {
    final ByteBuf buffer = Unpooled.buffer(4);

    if (cap.getAfi() != null) {
        buffer.writeShort(cap.getAfi().toCode());
    } else {//from www  .  j a  va2  s .  c  o  m
        buffer.writeShort(AddressFamily.RESERVED.toCode());
    }

    buffer.writeByte(0); // reserved

    if (cap.getSafi() != null) {
        buffer.writeByte(cap.getSafi().toCode());
    } else {
        buffer.writeByte(0);
    }

    return buffer;
}