static Ipv6Prefix parseIpv6Prefix(final ByteBuf nlri) { final int bitLength = nlri.readUnsignedByte(); nlri.readUnsignedByte(); // FIXME: this does not look right if bitLenght % Byte.SIZE != 0 return Ipv6Util.prefixForBytes(ByteArray.readBytes(nlri, bitLength / Byte.SIZE), bitLength); } }
@Override public Subobject parseSubobject(final ByteBuf buffer, final boolean loose) 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.setLoose(loose); if (buffer.readableBytes() != CONTENT_LENGTH) { throw new PCEPDeserializerException("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(); }
@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); 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(); }
@Override public Subobject parseSubobject(final ByteBuf buffer) throws PCEPDeserializerException { Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty."); final SubobjectBuilder builder = new SubobjectBuilder(); if (buffer.readableBytes() != CONTENT_LENGTH) { throw new PCEPDeserializerException("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))); 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(); }