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Example 1 with CriterionTranslatorException

use of org.onosproject.net.pi.impl.CriterionTranslator.CriterionTranslatorException in project onos by opennetworkinglab.

the class CriterionTranslatorHelper method translateCriterion.

/**
 * Translates a given criterion instance to a PiFieldMatch with the given id, match type, and bit-width.
 *
 * @param fieldId   PI match field identifier
 * @param criterion criterion
 * @param matchType match type
 * @param bitWidth  size of the field match in bits
 * @return a PI field match
 * @throws PiTranslationException if the criterion cannot be translated (see exception message)
 */
static PiFieldMatch translateCriterion(Criterion criterion, PiMatchFieldId fieldId, PiMatchType matchType, int bitWidth) throws PiTranslationException {
    if (!TRANSLATORS.containsKey(criterion.getClass())) {
        throw new PiTranslationException(format("Translation of criterion class %s is not implemented.", criterion.getClass().getSimpleName()));
    }
    try {
        final CriterionTranslator translator = TRANSLATORS.get(criterion.getClass()).newInstance();
        translator.init(criterion, bitWidth);
        switch(matchType) {
            case EXACT:
                return new PiExactFieldMatch(fieldId, translator.exactMatch());
            case OPTIONAL:
                return new PiOptionalFieldMatch(fieldId, translator.exactMatch());
            case TERNARY:
                final Pair<ImmutableByteSequence, ImmutableByteSequence> tp = translator.ternaryMatch();
                return new PiTernaryFieldMatch(fieldId, tp.getLeft(), tp.getRight());
            case LPM:
                final Pair<ImmutableByteSequence, Integer> lp = translator.lpmMatch();
                return new PiLpmFieldMatch(fieldId, lp.getLeft(), lp.getRight());
            default:
                throw new PiTranslationException(format("Translation of criterion %s (%s class) to match type %s is not implemented.", criterion.type().name(), criterion.getClass().getSimpleName(), matchType.name()));
        }
    } catch (ByteSequenceTrimException e) {
        throw new PiTranslationException(format("Size mismatch for criterion %s: %s", criterion.type(), e.getMessage()));
    } catch (CriterionTranslatorException e) {
        throw new PiTranslationException(format("Unable to translate criterion %s: %s", criterion.type(), e.getMessage()));
    } catch (InstantiationException | IllegalAccessException e) {
        // Was not able to instantiate the criterion translator.
        throw new IllegalStateException(e);
    }
}
Also used : IPv6NDTargetAddressCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPv6NDTargetAddressCriterionTranslator) IPEcnCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPEcnCriterionTranslator) IpCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IpCriterionTranslator) ArpPaCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.ArpPaCriterionTranslator) PbbIsidCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.PbbIsidCriterionTranslator) TcpPortCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.TcpPortCriterionTranslator) IPv6FlowLabelCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPv6FlowLabelCriterionTranslator) TunnelIdCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.TunnelIdCriterionTranslator) EthTypeCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.EthTypeCriterionTranslator) PortCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.PortCriterionTranslator) TcpFlagsCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.TcpFlagsCriterionTranslator) IPv6ExthdrFlagsCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPv6ExthdrFlagsCriterionTranslator) EthCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.EthCriterionTranslator) IPProtocolCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPProtocolCriterionTranslator) ArpOpCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.ArpOpCriterionTranslator) IPv6NDLinkLayerAddressCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPv6NDLinkLayerAddressCriterionTranslator) Icmpv6CodeCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.Icmpv6CodeCriterionTranslator) IcmpTypeCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IcmpTypeCriterionTranslator) MplsBosCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.MplsBosCriterionTranslator) MetadataCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.MetadataCriterionTranslator) VlanPcpCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.VlanPcpCriterionTranslator) UdpPortCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.UdpPortCriterionTranslator) IPDscpCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IPDscpCriterionTranslator) VlanIdCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.VlanIdCriterionTranslator) SctpPortCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.SctpPortCriterionTranslator) MplsTcCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.MplsTcCriterionTranslator) ArpHaCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.ArpHaCriterionTranslator) MplsCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.MplsCriterionTranslator) IcmpCodeCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.IcmpCodeCriterionTranslator) Icmpv6TypeCriterionTranslator(org.onosproject.net.pi.impl.CriterionTranslators.Icmpv6TypeCriterionTranslator) PiTernaryFieldMatch(org.onosproject.net.pi.runtime.PiTernaryFieldMatch) PiTranslationException(org.onosproject.net.pi.service.PiTranslationException) PiLpmFieldMatch(org.onosproject.net.pi.runtime.PiLpmFieldMatch) PiOptionalFieldMatch(org.onosproject.net.pi.runtime.PiOptionalFieldMatch) CriterionTranslatorException(org.onosproject.net.pi.impl.CriterionTranslator.CriterionTranslatorException) PiExactFieldMatch(org.onosproject.net.pi.runtime.PiExactFieldMatch) ByteSequenceTrimException(org.onlab.util.ImmutableByteSequence.ByteSequenceTrimException) ImmutableByteSequence(org.onlab.util.ImmutableByteSequence)

Aggregations

ImmutableByteSequence (org.onlab.util.ImmutableByteSequence)1 ByteSequenceTrimException (org.onlab.util.ImmutableByteSequence.ByteSequenceTrimException)1 CriterionTranslatorException (org.onosproject.net.pi.impl.CriterionTranslator.CriterionTranslatorException)1 ArpHaCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.ArpHaCriterionTranslator)1 ArpOpCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.ArpOpCriterionTranslator)1 ArpPaCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.ArpPaCriterionTranslator)1 EthCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.EthCriterionTranslator)1 EthTypeCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.EthTypeCriterionTranslator)1 IPDscpCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPDscpCriterionTranslator)1 IPEcnCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPEcnCriterionTranslator)1 IPProtocolCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPProtocolCriterionTranslator)1 IPv6ExthdrFlagsCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPv6ExthdrFlagsCriterionTranslator)1 IPv6FlowLabelCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPv6FlowLabelCriterionTranslator)1 IPv6NDLinkLayerAddressCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPv6NDLinkLayerAddressCriterionTranslator)1 IPv6NDTargetAddressCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IPv6NDTargetAddressCriterionTranslator)1 IcmpCodeCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IcmpCodeCriterionTranslator)1 IcmpTypeCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IcmpTypeCriterionTranslator)1 Icmpv6CodeCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.Icmpv6CodeCriterionTranslator)1 Icmpv6TypeCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.Icmpv6TypeCriterionTranslator)1 IpCriterionTranslator (org.onosproject.net.pi.impl.CriterionTranslators.IpCriterionTranslator)1