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/*
* Copyright (c) 2018 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.v3po.read;
import static com.google.common.base.Preconditions.checkState;
import static java.lang.String.format;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.MacTranslator;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager;
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.InitializingReaderCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.StaticCacheKeyFactory;
import io.fd.jvpp.core.dto.SwInterfaceDetails;
import io.fd.jvpp.core.dto.SwInterfaceTapV2Details;
import io.fd.jvpp.core.dto.SwInterfaceTapV2DetailsReplyDump;
import io.fd.jvpp.core.dto.SwInterfaceTapV2Dump;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentationBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2Builder;
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.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TapV2Customizer extends FutureJVppCustomizer
implements InitializingReaderCustomizer<TapV2, TapV2Builder>, InterfaceDataTranslator, JvppReplyConsumer,
MacTranslator, Ipv4Translator, Ipv6Translator{
private static final Logger LOG = LoggerFactory.getLogger(TapV2Customizer.class);
private NamingContext interfaceContext;
private final InterfaceCacheDumpManager dumpManager;
private final DumpCacheManager<SwInterfaceTapV2DetailsReplyDump, Void> tapV2DumpManager;
public TapV2Customizer(@Nonnull final FutureJVppCore jvpp,
@Nonnull final NamingContext interfaceContext,
@Nonnull final InterfaceCacheDumpManager dumpManager) {
super(jvpp);
this.interfaceContext = interfaceContext;
this.dumpManager = dumpManager;
this.tapV2DumpManager = new DumpCacheManager.DumpCacheManagerBuilder<SwInterfaceTapV2DetailsReplyDump, Void>()
.withCacheKeyFactory(new StaticCacheKeyFactory(TapV2Customizer.class.getName() + "_dump",
SwInterfaceTapV2DetailsReplyDump.class))
.withExecutor((identifier, params) -> {
// Full TapV2 dump has to be performed here, no filter or anything is here to help so at least we cache it
return getReplyForRead(getFutureJVpp()
.swInterfaceTapV2Dump(new SwInterfaceTapV2Dump()).toCompletableFuture(), identifier);
}).build();
}
@Override
public void merge(@Nonnull Builder<? extends DataObject> parentBuilder, @Nonnull TapV2 readValue) {
((VppInterfaceAugmentationBuilder) parentBuilder).setTapV2(readValue);
}
@Nonnull
@Override
public TapV2Builder getBuilder(@Nonnull InstanceIdentifier<TapV2> id) {
return new TapV2Builder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<TapV2> id,
@Nonnull final TapV2Builder builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final InterfaceKey key = id.firstKeyOf(Interface.class);
final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
if (!isInterfaceOfType(dumpManager, id, ctx,
org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.TapV2.class)) {
return;
}
LOG.debug("Reading attributes for tapV2 interface: {}", key.getName());
final SwInterfaceTapV2DetailsReplyDump reply = tapV2DumpManager.getDump(id, ctx.getModificationCache())
.orElse(new SwInterfaceTapV2DetailsReplyDump());
final Optional<SwInterfaceTapV2Details> detail = reply.swInterfaceTapV2Details.stream()
.filter(d -> d.swIfIndex == index)
.findAny();
checkState(detail.isPresent(), "TapV2 interface for index %s not found", index);
final SwInterfaceTapV2Details swInterfaceTapV2Details = detail.get();
LOG.trace("TapV2 interface: {} attributes returned from VPP: {}", key.getName(), swInterfaceTapV2Details);
if (swInterfaceTapV2Details.devName != null && swInterfaceTapV2Details.devName[0] != 0) {
builder.setDeviceName(toString(swInterfaceTapV2Details.devName));
} else {
builder.setDeviceName(null);
}
if (swInterfaceTapV2Details.hostBridge != null && swInterfaceTapV2Details.hostBridge[0] != 0) {
builder.setHostBridge(toString(swInterfaceTapV2Details.hostBridge));
} else {
builder.setHostBridge(null);
}
if (swInterfaceTapV2Details.hostMacAddr != null &&
!ByteDataTranslator.INSTANCE.isArrayZeroed(swInterfaceTapV2Details.hostMacAddr)) {
builder.setHostMac(toPhysAddress(swInterfaceTapV2Details.hostMacAddr));
} else {
builder.setHostMac(null);
}
if (swInterfaceTapV2Details.hostIfName != null && swInterfaceTapV2Details.hostIfName[0] != 0) {
builder.setHostInterfaceName(toString(swInterfaceTapV2Details.hostIfName));
} else {
builder.setHostInterfaceName(null);
}
if (swInterfaceTapV2Details.hostIp4Addr != null && swInterfaceTapV2Details.hostIp4PrefixLen != 0) {
builder.setHostIpv4Address(
toIpv4Prefix(swInterfaceTapV2Details.hostIp4Addr, swInterfaceTapV2Details.hostIp4PrefixLen));
} else {
builder.setHostIpv4Address(null);
}
if (swInterfaceTapV2Details.hostIp6Addr != null && swInterfaceTapV2Details.hostIp6PrefixLen != 0) {
builder.setHostIpv6Address(
toIpv6Prefix(swInterfaceTapV2Details.hostIp6Addr,
Byte.toUnsignedInt(swInterfaceTapV2Details.hostIp6PrefixLen)));
} else {
builder.setHostIpv6Address(null);
}
if (swInterfaceTapV2Details.hostNamespace != null && swInterfaceTapV2Details.hostNamespace[0] != 0) {
builder.setHostNamespace(toString(swInterfaceTapV2Details.hostNamespace));
} else {
builder.setHostNamespace(null);
}
builder.setRxRingSize(Short.toUnsignedInt(swInterfaceTapV2Details.rxRingSz));
builder.setTxRingSize(Short.toUnsignedInt(swInterfaceTapV2Details.txRingSz));
final SwInterfaceDetails ifcDetails = dumpManager.getInterfaceDetail(id, ctx, key.getName());
if (ifcDetails.tag[0] != 0) { // tag supplied
builder.setTag(toString(ifcDetails.tag));
}
LOG.debug("TapV2 interface: {}, id: {} attributes read as: {}", key.getName(), index, builder);
}
@Override
public Initialized<org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2> init(
@Nonnull final InstanceIdentifier<TapV2> id, @Nonnull final TapV2 readValue,
@Nonnull final ReadContext ctx) {
// The MAC address & tag is set from interface details, those details are retrieved from cache
final InterfaceKey key = id.firstKeyOf(Interface.class);
final SwInterfaceDetails ifcDetails;
try {
ifcDetails = dumpManager.getInterfaceDetail(id, ctx, key.getName());
} catch (ReadFailedException e) {
throw new IllegalStateException(format("Unable to read interface %s", key.getName()), e);
}
return Initialized.create(getCfgId(id),
new org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2Builder()
.setMac(new PhysAddress(vppPhysAddrToYang(ifcDetails.l2Address)))
.setHostInterfaceName(readValue.getHostInterfaceName())
.setTag(ifcDetails.tag[0] == 0
? null
: toString(ifcDetails.tag))
.setHostBridge(readValue.getHostBridge())
.setHostIpv4Address(readValue.getHostIpv4Address())
.setHostIpv6Address(readValue.getHostIpv6Address())
.setRxRingSize(readValue.getRxRingSize())
.setTxRingSize(readValue.getTxRingSize())
.setHostMac(readValue.getHostMac())
.setHostNamespace(readValue.getHostNamespace())
.build());
}
private InstanceIdentifier<org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2> getCfgId(
final InstanceIdentifier<TapV2> id) {
return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
.augmentation(VppInterfaceAugmentation.class)
.child(org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2.class);
}
}
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