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.netlibs.bgp.netty.protocol.open.OpenPacket.java

License:Apache License

@Override
protected ByteBuf encodePayload() {
    final ByteBuf buffer = Unpooled.buffer(BGPv4Constants.BGP_PACKET_MAX_LENGTH);

    buffer.writeByte(this.getProtocolVersion());
    buffer.writeShort(this.getAutonomousSystem());
    buffer.writeShort(this.getHoldTime());
    buffer.writeInt((int) this.getBgpIdentifier());

    final ByteBuf capabilities = CapabilityCodec.encodeCapabilities(this.getCapabilities());

    if (capabilities.readableBytes() > 0) {
        buffer.writeByte(capabilities.readableBytes() + 2); // cap length + type byte + parameter length byte
        buffer.writeByte(BGPv4Constants.BGP_OPEN_PARAMETER_TYPE_CAPABILITY); // type byte
        buffer.writeByte(capabilities.readableBytes()); // parameter length
        buffer.writeBytes(capabilities);
    } else {//  ww  w.j  av a2  s  . co m
        buffer.writeByte(0); // no capabilites encoded --> optional parameter length equals 0
    }
    return buffer;
}

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

License:Apache License

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

    buffer.writeShort(this.supportedProtocolVersion);

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.refresh.RouteRefreshPacket.java

License:Apache License

@Override
protected ByteBuf encodePayload() {

    final ByteBuf buffer = Unpooled.buffer(this.calculateEncodingLength());

    buffer.writeShort(this.getAddressFamily().toCode());
    buffer.writeByte(0);//from   w w w . j  a v a  2s . c  o  m
    buffer.writeByte(this.getSubsequentAddressFamily().toCode());

    if (this.outboundRouteFilter != null) {
        buffer.writeByte(this.outboundRouteFilter.getRefreshType().toCode());

        for (final ORFType type : this.outboundRouteFilter.getEntries().keySet()) {
            int entriesLength = 0;

            for (final ORFEntry entry : this.outboundRouteFilter.getEntries().get(type)) {
                entriesLength += ORFEntryCodec.calculateEncodingLength(entry);
            }

            buffer.writeByte(type.toCode());
            buffer.writeShort(entriesLength);

            for (final ORFEntry entry : this.outboundRouteFilter.getEntries().get(type)) {
                buffer.writeBytes(ORFEntryCodec.encodeORFEntry(entry));
            }

        }
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.AggregatorPathAttributeCodecHandler.java

License:Apache License

@Override
public ByteBuf encodeValue(final AggregatorPathAttribute attr) {
    final ByteBuf buffer = Unpooled.buffer(this.valueLength(attr));

    if (attr.isFourByteASNumber()) {
        buffer.writeInt(attr.getAsNumber());
    } else {/*from   www  .ja v  a2s .co  m*/
        buffer.writeShort(attr.getAsNumber());
    }

    buffer.writeBytes(attr.getAggregator().getAddress());

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.CommunityPathAttributeCodecHandler.java

License:Apache License

@Override
public ByteBuf encodeValue(final CommunityPathAttribute attr) {
    final ByteBuf buffer = Unpooled.buffer(this.valueLength(attr));

    if (attr.getMembers() != null) {
        for (final CommunityMember member : attr.getMembers()) {
            buffer.writeShort(member.getAsNumber());
            buffer.writeShort(member.getValue());
        }//from   www.  ja  va  2  s. c  o m
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.MultiProtocolReachableNLRICodecHandler.java

License:Apache License

@Override
public ByteBuf encodeValue(final MultiProtocolReachableNLRI attr) {

    final ByteBuf buffer = Unpooled.buffer(this.valueLength(attr));

    buffer.writeShort(attr.getAddressFamily().toCode());
    buffer.writeByte(attr.getSubsequentAddressFamily().toCode());

    if (attr.getNextHop() != null) {

        buffer.writeByte(attr.getNextHop().getAddress().length);
        buffer.writeBytes(attr.getNextHop().getAddress());
    } else {//from  w w  w  . j a v a  2 s .c  o m
        buffer.writeByte(0);
    }

    buffer.writeByte(0); // write reserved field

    if (attr.getNlris() != null) {
        for (final NetworkLayerReachabilityInformation nlri : attr.getNlris()) {
            if ((nlri.getPrefix() != null) && (nlri.getPrefixLength() == nlri.getPrefix().length)) {
                buffer.writeByte(nlri.getPrefixLength());
                buffer.writeBytes(nlri.getPrefix());
            } else {
                buffer.writeBytes(NLRICodec.encodeNLRI(nlri));
            }
        }
    }
    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.MultiProtocolUnreachableNLRICodecHandler.java

License:Apache License

@Override
public ByteBuf encodeValue(final MultiProtocolUnreachableNLRI attr) {
    final ByteBuf buffer = Unpooled.buffer(this.valueLength(attr));

    buffer.writeShort(attr.getAddressFamily().toCode());
    buffer.writeByte(attr.getSubsequentAddressFamily().toCode());

    if (attr.getNlris() != null) {
        for (final NetworkLayerReachabilityInformation nlri : attr.getNlris()) {
            buffer.writeBytes(NLRICodec.encodeNLRI(nlri));
        }/*from  w  w w .j av a  2s  .co m*/
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.PathAttributeCodec.java

License:Apache License

/**
 * encode the path attribute for network transmission
 *
 * @return an encoded formatted path attribute
 */// w w w .  ja  v  a 2  s. c  om
public static ByteBuf encodePathAttribute(final PathAttribute attr) {
    final ByteBuf buffer = Unpooled.buffer(BGPv4Constants.BGP_PACKET_MAX_LENGTH);
    final int valueLength = valueLength(attr);
    int attrFlagsCode = 0;

    if (attr.isOptional()) {
        attrFlagsCode |= BGPv4Constants.BGP_PATH_ATTRIBUTE_OPTIONAL_BIT;
    }

    if (attr.isTransitive()) {
        attrFlagsCode |= BGPv4Constants.BGP_PATH_ATTRIBUTE_TRANSITIVE_BIT;
    }

    if (attr.isPartial()) {
        attrFlagsCode |= BGPv4Constants.BGP_PATH_ATTRIBUTE_PARTIAL_BIT;
    }

    if (valueLength > 255) {
        attrFlagsCode |= BGPv4Constants.BGP_PATH_ATTRIBUTE_EXTENDED_LENGTH_BIT;
    }

    attrFlagsCode |= (typeCode(attr) & BGPv4Constants.BGP_PATH_ATTRIBUTE_TYPE_MASK);

    buffer.writeShort(attrFlagsCode);

    if (valueLength > 255) {
        buffer.writeShort(valueLength);
    } else {
        buffer.writeByte(valueLength);
    }

    if (valueLength > 0) {
        buffer.writeBytes(encodeValue(attr));
    }

    return buffer;
}

From source file:io.netlibs.bgp.netty.protocol.update.UpdatePacket.java

License:Apache License

@Override
protected ByteBuf encodePayload() {

    final ByteBuf buffer = Unpooled.buffer(BGPv4Constants.BGP_PACKET_MAX_LENGTH);
    final ByteBuf withdrawnBuffer = this.encodeWithdrawnRoutes();
    final ByteBuf pathAttributesBuffer = this.encodePathAttributes();

    buffer.writeShort(withdrawnBuffer.readableBytes());
    buffer.writeBytes(withdrawnBuffer);/* ww  w. j  a v a  2s.  c o  m*/
    buffer.writeShort(pathAttributesBuffer.readableBytes());
    buffer.writeBytes(pathAttributesBuffer);
    buffer.writeBytes(this.encodeNlris());
    return buffer;
}

From source file:io.reactiverse.pgclient.impl.codec.DataTypeCodec.java

License:Apache License

private static void binaryEncodeINT2(Number value, ByteBuf buff) {
    buff.writeShort(value.shortValue());
}