Example usage for io.netty.buffer ByteBuf getUnsignedByte

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

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Introduction

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

Prototype

public abstract short getUnsignedByte(int index);

Source Link

Document

Gets an unsigned byte at the specified absolute index in this buffer.

Usage

From source file:org.opendaylight.protocol.pcep.impl.subobject.XROIpv6PrefixSubobjectParser.java

License:Open Source License

@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws PCEPDeserializerException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectBuilder builder = new SubobjectBuilder();
    builder.setMandatory(mandatory);/* ww w . j  a va 2s  .  co  m*/
    if (buffer.readableBytes() != CONTENT6_LENGTH) {
        throw new PCEPDeserializerException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX6_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    buffer.skipBytes(PREFIX_F_LENGTH);
    builder.setAttribute(Attribute.forValue(buffer.readUnsignedByte()));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROIpv4PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer, final boolean loose)
        throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    builder.setLoose(loose);/*from   w  w  w . ja  va2 s . c o m*/
    if (buffer.readableBytes() != CONTENT4_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROIpv6PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer, final boolean loose)
        throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    builder.setLoose(loose);/*  w w w .  j  a  v a  2  s . com*/
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.rro.RROIpv4PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer) throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    if (buffer.readableBytes() != CONTENT4_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }//w w  w . j av  a 2  s  .com
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.ip.prefix._case.IpPrefix prefix = new IpPrefixBuilder()
            .setIpPrefix(new IpPrefix(
                    Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)))
            .build();
    buffer.skipBytes(PREFIX_F_LENGTH);
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setProtectionAvailable(flags.get(LPA_F_OFFSET));
    builder.setProtectionInUse(flags.get(LPIU_F_OFFSET));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.rro.RROIpv6PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer) throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    if (buffer.readableBytes() != CONTENT_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }//from w  w w  .j  av a 2s  . co  m
    final int length = buffer.getUnsignedByte(PREFIX_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    buffer.skipBytes(PREFIX_F_LENGTH);
    final BitArray flags = BitArray.valueOf(buffer, FLAGS_SIZE);
    builder.setProtectionAvailable(flags.get(LPA_F_OFFSET));
    builder.setProtectionInUse(flags.get(LPIU_F_OFFSET));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROIpv4PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    builder.setMandatory(mandatory);//w w w.j  ava 2  s .  c  o m
    if (buffer.readableBytes() != CONTENT4_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX4_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv4Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv4Util.IP4_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    buffer.skipBytes(PREFIX_F_LENGTH);
    builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROIpv6PrefixSubobjectParser.java

License:Open Source License

@Override
public SubobjectContainer parseSubobject(final ByteBuf buffer, final boolean mandatory)
        throws RSVPParsingException {
    Preconditions.checkArgument(buffer != null && buffer.isReadable(),
            "Array of bytes is mandatory. Can't be null or empty.");
    final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
    builder.setMandatory(mandatory);// w w w. ja v a 2s.  c  o  m
    if (buffer.readableBytes() != CONTENT6_LENGTH) {
        throw new RSVPParsingException(
                "Wrong length of array of bytes. Passed: " + buffer.readableBytes() + ";");
    }
    final int length = buffer.getUnsignedByte(PREFIX6_F_OFFSET);
    final IpPrefixBuilder prefix = new IpPrefixBuilder().setIpPrefix(
            new IpPrefix(Ipv6Util.prefixForBytes(ByteArray.readBytes(buffer, Ipv6Util.IPV6_LENGTH), length)));
    builder.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(prefix.build()).build());
    buffer.skipBytes(PREFIX_F_LENGTH);
    builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()));
    return builder.build();
}

From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.EROSubobjectListParser.java

License:Open Source License

public List<SubobjectContainer> parseList(final ByteBuf buffer) throws RSVPParsingException {
    // Explicit approval of empty ERO
    Preconditions.checkArgument(buffer != null, "Array of bytes is mandatory. Can't be null.");
    final List<SubobjectContainer> subs = new ArrayList<>();
    while (buffer.isReadable()) {
        final boolean loose = ((buffer.getUnsignedByte(buffer.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = (buffer.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES)
                & ~(1 << Values.FIRST_BIT_OFFSET);
        final int length = buffer.readUnsignedByte() - HEADER_LENGTH;
        if (length > buffer.readableBytes()) {
            throw new RSVPParsingException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + buffer.readableBytes());
        }/*  ww w.  j  av a 2  s . co m*/
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(buffer));
        final SubobjectContainer sub = this.subobjReg.parseSubobject(type, buffer.readSlice(length), loose);
        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.XROSubobjectListParser.java

License:Open Source License

public List<SubobjectContainer> parseList(final ByteBuf byteBuf) throws RSVPParsingException {
    final List<SubobjectContainer> subs = new ArrayList<>();
    while (byteBuf.isReadable()) {
        final boolean mandatory = ((byteBuf.getUnsignedByte(byteBuf.readerIndex())
                & (1 << Values.FIRST_BIT_OFFSET)) != 0) ? true : false;
        final int type = UnsignedBytes.checkedCast(
                (byteBuf.readUnsignedByte() & Values.BYTE_MAX_VALUE_BYTES) & ~(1 << Values.FIRST_BIT_OFFSET));
        final int length = byteBuf.readUnsignedByte() - HEADER_LENGHT;
        if (length > byteBuf.readableBytes()) {
            throw new RSVPParsingException(
                    "Wrong length specified. Passed: " + length + "; Expected: <= " + byteBuf.readableBytes());
        }/*from   w ww .ja v  a 2s  . c  o  m*/
        LOG.debug("Attempt to parse subobject from bytes: {}", ByteBufUtil.hexDump(byteBuf));
        final SubobjectContainer sub = this.subobjReg.parseSubobject(type, byteBuf.readSlice(length),
                mandatory);

        if (sub == null) {
            LOG.warn("Unknown subobject type: {}. Ignoring subobject.", type);
        } else {
            LOG.debug("Subobject was parsed. {}", sub);
            subs.add(sub);
        }
    }
    return subs;
}

From source file:org.traccar.helper.BcdUtil.java

License:Apache License

public static int readInteger(ByteBuf buf, int digits) {
    int result = 0;

    for (int i = 0; i < digits / 2; i++) {
        int b = buf.readUnsignedByte();
        result *= 10;/*from   w w w  . j  av a  2s . c  o  m*/
        result += b >>> 4;
        result *= 10;
        result += b & 0x0f;
    }

    if (digits % 2 != 0) {
        int b = buf.getUnsignedByte(buf.readerIndex());
        result *= 10;
        result += b >>> 4;
    }

    return result;
}