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/*
* Copyright (c) 2016 Cisco 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.v3po.interfaces.span;
import com.google.common.base.Preconditions;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanEnableDisable;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanEnableDisableReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfaces;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class MirroredInterfacesCustomizer
extends FutureJVppCustomizer
implements WriterCustomizer<MirroredInterfaces>, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(MirroredInterfacesCustomizer.class);
private final NamingContext ifcContext;
public MirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore, final NamingContext ifcContext) {
super(futureJVppCore);
this.ifcContext = ifcContext;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
@Nonnull final MirroredInterfaces dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.trace("Writing mirrored interfaces for: {} as: {}", id, dataAfter);
final int dstId =
ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), writeContext.getMappingContext());
// Collect source IDs
final List<Integer> srcIds = dataAfter.getMirroredInterface().stream()
.map(ifcName -> ifcContext.getIndex(ifcName, writeContext.getMappingContext()))
// Collecting before executing to verify we have all the IDs first, failing fast...
.collect(Collectors.toList());
Preconditions.checkArgument(!srcIds.contains(dstId),
"Source and Destination interface for port mirroring detected: %s at %s", dstId, id);
// Invoke addition for each source ID
final List<CompletableFuture<SwInterfaceSpanEnableDisableReply>> futures = srcIds.stream()
.map(srcId -> getSpanAddDelRequest(dstId, srcId, true))
.map(request -> getFutureJVpp().swInterfaceSpanEnableDisable(request).toCompletableFuture())
.collect(Collectors.toList());
// Wait for success/exception
for (final CompletableFuture<SwInterfaceSpanEnableDisableReply> future : futures) {
getReplyForWrite(future, id);
}
LOG.trace("Mirrored interfaces for: {} written successfully", id);
}
private SwInterfaceSpanEnableDisable getSpanAddDelRequest(final int dstId, final Integer srcId, final boolean isAdd) {
final SwInterfaceSpanEnableDisable spanAddDel = new SwInterfaceSpanEnableDisable();
spanAddDel.enable = (byte) (isAdd ? 1 : 0);
spanAddDel.swIfIndexFrom = srcId;
spanAddDel.swIfIndexTo = dstId;
return spanAddDel;
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
@Nonnull final MirroredInterfaces dataBefore,
@Nonnull final MirroredInterfaces dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
deleteCurrentAttributes(id, dataBefore, writeContext);
writeCurrentAttributes(id, dataAfter, writeContext);
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
@Nonnull final MirroredInterfaces dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.trace("Removing mirrored interfaces for: {} as: {}", id, dataBefore);
final int dstId =
ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), writeContext.getMappingContext());
final List<Integer> srcIds = dataBefore.getMirroredInterface().stream()
.map(ifcName -> ifcContext.getIndex(ifcName, writeContext.getMappingContext()))
// Collecting before executing to verify we have all the IDs first, failing fast...
.collect(Collectors.toList());
final List<CompletableFuture<SwInterfaceSpanEnableDisableReply>> futures = srcIds.stream()
.map(srcId -> getSpanAddDelRequest(dstId, srcId, false))
.map(request -> getFutureJVpp().swInterfaceSpanEnableDisable(request).toCompletableFuture())
.collect(Collectors.toList());
for (final CompletableFuture<SwInterfaceSpanEnableDisableReply> future : futures) {
getReplyForWrite(future, id);
}
LOG.trace("Mirrored interfaces for: {} removed successfully", id);
}
}
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