diff options
Diffstat (limited to 'srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/InterfacesConfigCustomizer.java')
-rw-r--r-- | srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/InterfacesConfigCustomizer.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/InterfacesConfigCustomizer.java b/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/InterfacesConfigCustomizer.java new file mode 100644 index 000000000..67ad9d56c --- /dev/null +++ b/srv6/srv6-impl/src/main/java/io/fd/hc2vpp/srv6/write/steering/InterfacesConfigCustomizer.java @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2018 Bell Canada, Pantheon Technologies and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +package io.fd.hc2vpp.srv6.write.steering; + +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.hc2vpp.srv6.util.Srv6Util; +import io.fd.hc2vpp.srv6.write.steering.request.L2SteeringRequest; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.hc2vpp.params.xml.ns.yang.vpp.oc.srte.policy.rev180514.sr.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.hc2vpp.params.xml.ns.yang.vpp.oc.srte.policy.rev180514.sr.interfaces.InterfaceKey; +import org.opendaylight.yang.gen.v1.urn.hc2vpp.params.xml.ns.yang.vpp.oc.srte.policy.rev180514.sr.interfaces._interface.Config; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +public class InterfacesConfigCustomizer extends FutureJVppCustomizer implements + ListWriterCustomizer<Interface, InterfaceKey> { + private final NamingContext interfaceContext; + + public InterfacesConfigCustomizer(@Nonnull final FutureJVppCore futureJVppCore, + @Nonnull final NamingContext interfaceContext) { + super(futureJVppCore); + this.interfaceContext = interfaceContext; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> instanceIdentifier, + @Nonnull final Interface anInterface, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + if (anInterface.getConfig() != null) { + writeInterfaces(instanceIdentifier, anInterface.getConfig(), writeContext, true); + } + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> instanceIdentifier, + @Nonnull final Interface anInterface, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + if (anInterface.getConfig() != null) { + writeInterfaces(instanceIdentifier, anInterface.getConfig(), writeContext, false); + } + } + + private void writeInterfaces(final @Nonnull InstanceIdentifier<Interface> instanceIdentifier, + final @Nonnull Config config, final @Nonnull WriteContext writeContext, + final boolean isWrite) + throws WriteFailedException { + Ipv6Address bsid = Srv6Util.extractBsid(instanceIdentifier, writeContext, isWrite); + + if (bsid == null) { + throw new WriteFailedException.CreateFailedException(instanceIdentifier, config, + new Throwable("Failed to extract BSID from policy for prefix")); + } + if (config.getInputInterface() != null) { + // forward all traffic to policy for current interface + int index = interfaceContext.getIndex(config.getInputInterface(), writeContext.getMappingContext()); + sendL2Steering(instanceIdentifier, bsid, index, getFutureJVpp(), isWrite); + } + } + + private void sendL2Steering(final InstanceIdentifier<Interface> instanceIdentifier, final Ipv6Address bsid, + final int inputInterface, final FutureJVppCore api, final boolean isWrite) + throws WriteFailedException { + L2SteeringRequest request = new L2SteeringRequest(api); + request.setBindingSid(bsid); + request.setInputInterfaceIndex(inputInterface); + if (isWrite) { + request.write(instanceIdentifier); + } else { + request.delete(instanceIdentifier); + } + } +} |