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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.read;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.DisabledInterfacesManager;
import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.Initialized;
import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
import io.fd.jvpp.core.dto.SwInterfaceDetails;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.Interfaces;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.InterfacesBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface.AdminStatus;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface.OperStatus;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Customizer for reading ietf-interfaces:interfaces/interface.
*/
public class InterfaceCustomizer
implements InitializingListReaderCustomizer<Interface, InterfaceKey, InterfaceBuilder>, ByteDataTranslator,
InterfaceDataTranslator {
private static final Logger LOG = LoggerFactory.getLogger(InterfaceCustomizer.class);
private final NamingContext interfaceNamingContext;
private final DisabledInterfacesManager interfaceDisableContext;
private final InterfaceCacheDumpManager dumpManager;
public InterfaceCustomizer(@Nonnull final NamingContext interfaceNamingContext,
@Nonnull final DisabledInterfacesManager interfaceDisableContext,
@Nonnull final InterfaceCacheDumpManager dumpManager) {
this.interfaceNamingContext = interfaceNamingContext;
this.interfaceDisableContext = interfaceDisableContext;
this.dumpManager = dumpManager;
}
@Nonnull
@Override
public InterfaceBuilder getBuilder(@Nonnull InstanceIdentifier<Interface> id) {
return new InterfaceBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull InstanceIdentifier<Interface> id, @Nonnull InterfaceBuilder builder,
@Nonnull ReadContext ctx) throws ReadFailedException {
LOG.debug("Reading attributes for interface: {}", id);
final String ifaceName = id.firstKeyOf(id.getTargetType()).getName();
final int index = interfaceNamingContext.getIndex(ifaceName, ctx.getMappingContext());
// Ignore disabled interface (such as deleted VXLAN tunnels)
if (interfaceDisableContext.isInterfaceDisabled(index, ctx.getMappingContext())) {
LOG.debug("Skipping disabled interface: {}", id);
return;
}
final SwInterfaceDetails iface = dumpManager.getInterfaceDetail(id, ctx, ifaceName);
LOG.debug("Interface details for interface: {}, details: {}", ifaceName, iface);
if (!isRegularInterface(iface)) {
LOG.debug("Interface: {} is a sub-interface. Ignoring read request.", ifaceName);
return;
}
builder.setName(ifaceName);
builder.setType(getInterfaceType(new String(iface.interfaceName).intern()));
builder.setIfIndex(vppIfIndexToYang(iface.swIfIndex));
builder.setAdminStatus(1 == iface.adminUpDown
? AdminStatus.Up
: AdminStatus.Down);
builder.setOperStatus(1 == iface.linkUpDown
? OperStatus.Up
: OperStatus.Down);
if (0 != iface.linkSpeed) {
builder.setSpeed(vppInterfaceSpeedToYang(iface.linkSpeed));
}
if (iface.l2AddressLength == 6) {
builder.setPhysAddress(new PhysAddress(vppPhysAddrToYang(iface.l2Address)));
}
LOG.trace("Base attributes read for interface: {} as: {}", ifaceName, builder);
}
@Nonnull
@Override
public List<InterfaceKey> getAllIds(@Nonnull final InstanceIdentifier<Interface> id,
@Nonnull final ReadContext context) throws ReadFailedException {
final List<InterfaceKey> interfacesKeys;
LOG.trace("Dumping all interfaces to get all IDs");
final MappingContext mappingCtx = context.getMappingContext();
final Set<Integer> interfacesIdxs = dumpManager.getInterfaces(id, context)
.filter(elt -> elt != null)
// Filter out disabled interfaces, dont read them
// This also prevents child readers in being invoked such as vxlan (which relies on disabling interfaces)
.filter(elt -> !interfaceDisableContext
.isInterfaceDisabled(elt.swIfIndex, mappingCtx))
// filter out sub-interfaces
.filter(InterfaceDataTranslator.INSTANCE::isRegularInterface)
.map(elt -> elt.swIfIndex)
.collect(Collectors.toSet());
// Clean disabled interfaces list
interfaceDisableContext.getDisabledInterfaces(mappingCtx).stream()
// Find indices not currently in VPP
.filter(interfacesIdxs::contains)
// Remove from disabled list ... not disabled if not existing
.forEach(idx -> interfaceDisableContext.removeDisabledInterface(idx, mappingCtx));
// Transform indices to keys
interfacesKeys = interfacesIdxs.stream()
.map(index -> new InterfaceKey(interfaceNamingContext.getName(index, context.getMappingContext())))
.collect(Collectors.toList());
LOG.debug("Interfaces found in VPP: {}", interfacesKeys);
return interfacesKeys;
}
@Override
public void merge(@Nonnull final org.opendaylight.yangtools.concepts.Builder<? extends DataObject> builder,
@Nonnull final List<Interface> readData) {
((InterfacesBuilder) builder).setInterface(readData);
}
@Override
public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface> init(
@Nonnull final InstanceIdentifier<Interface> id, @Nonnull final Interface readValue,
@Nonnull final ReadContext ctx) {
return Initialized.create(getCfgId(id),
new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceBuilder()
.setName(readValue.getName())
.setType(readValue.getType())
.setEnabled(AdminStatus.Up.equals(readValue.getAdminStatus()))
// Not present in interfaces
// .setLinkUpDownTrapEnable()
.build());
}
public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface> getCfgId(
final InstanceIdentifier<Interface> id) {
return InstanceIdentifier.create(Interfaces.class).child(
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface.class,
new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey(
id.firstKeyOf(Interface.class).getName()));
}
}
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