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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.honeycomb.v3po.translate.v3po.interfaces;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import io.fd.honeycomb.v3po.translate.v3po.util.AbstractInterfaceTypeCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
import io.fd.honeycomb.v3po.translate.v3po.util.VppApiInvocationException;
import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils;
import io.fd.honeycomb.v3po.translate.write.WriteContext;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
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.rev150105.SubInterface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.TagRewriteOperation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanTag;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.L2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.VlanTagRewrite;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.VlanTagRewriteBuilder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.dto.L2InterfaceVlanTagRewrite;
import org.openvpp.jvpp.dto.L2InterfaceVlanTagRewriteReply;
import org.openvpp.jvpp.future.FutureJVpp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Writer Customizer responsible for vlan tag rewrite.<br>
* Sends {@code l2_interface_vlan_tag_rewrite} message to VPP.<br>
* Equivalent of invoking {@code vppctl set interface l2 tag-rewrite} command.
*/
public class VlanTagRewriteCustomizer extends AbstractInterfaceTypeCustomizer<VlanTagRewrite> {
private static final Logger LOG = LoggerFactory.getLogger(VlanTagRewriteCustomizer.class);
private final NamingContext interfaceContext;
public VlanTagRewriteCustomizer(@Nonnull final FutureJVpp futureJvpp,
@Nonnull final NamingContext interfaceContext) {
super(futureJvpp);
this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
}
@Nonnull
@Override
public Optional<VlanTagRewrite> extract(@Nonnull final InstanceIdentifier<VlanTagRewrite> currentId,
@Nonnull final DataObject parentData) {
return Optional.fromNullable(((L2) parentData).getVlanTagRewrite());
}
@Override
protected Class<? extends InterfaceType> getExpectedInterfaceType() {
return SubInterface.class;
}
@Override
protected void writeInterface(final InstanceIdentifier<VlanTagRewrite> id, final VlanTagRewrite dataAfter,
final WriteContext writeContext) throws WriteFailedException.CreateFailedException {
try {
setTagRewrite(id.firstKeyOf(Interface.class).getName(), dataAfter, writeContext);
} catch (VppApiInvocationException e) {
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
private void setTagRewrite(final String ifname, final VlanTagRewrite cfg, final WriteContext writeContext)
throws VppApiInvocationException {
final int swIfIndex = interfaceContext.getIndex(ifname, writeContext.getMappingContext());
LOG.debug("Setting tag rewrite for interface {}(id=): {}", ifname, swIfIndex, cfg);
final CompletionStage<L2InterfaceVlanTagRewriteReply> replyCompletionStage =
getFutureJVpp().l2InterfaceVlanTagRewrite(getTagRewriteRequest(swIfIndex, cfg));
final L2InterfaceVlanTagRewriteReply reply = V3poUtils.getReply(replyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.debug("Failed to set tag rewrite for interface {}(id=): {}", ifname, swIfIndex, cfg);
throw new VppApiInvocationException("l2InterfaceVlanTagRewrite", reply.context, reply.retval);
} else {
LOG.debug("Tag rewrite for interface {}(id=) set successfully: {}", ifname, swIfIndex, cfg);
}
}
private L2InterfaceVlanTagRewrite getTagRewriteRequest(final int swIfIndex, final VlanTagRewrite cfg) {
final L2InterfaceVlanTagRewrite request = new L2InterfaceVlanTagRewrite();
request.swIfIndex = swIfIndex;
request.vtrOp = cfg.getRewriteOperation().getIntValue(); // TODO make mandatory
request.pushDot1Q = (byte) (VlanType._802dot1q.equals(cfg.getFirstPushed())
? 1
: 0);
final VlanTag tag1 = cfg.getTag1();
if (tag1 != null) {
request.tag1 = tag1.getValue();
}
final VlanTag tag2 = cfg.getTag2();
if (tag2 != null) {
request.tag2 = tag2.getValue();
}
return request;
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id,
@Nonnull final VlanTagRewrite dataBefore,
@Nonnull final VlanTagRewrite dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
try {
setTagRewrite(id.firstKeyOf(Interface.class).getName(), dataAfter, writeContext);
} catch (VppApiInvocationException e) {
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id,
@Nonnull final VlanTagRewrite dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException.DeleteFailedException {
try {
// disable tag rewrite
final VlanTagRewriteBuilder builder = new VlanTagRewriteBuilder();
builder.setRewriteOperation(TagRewriteOperation.Disabled);
setTagRewrite(id.firstKeyOf(Interface.class).getName(), builder.build(), writeContext);
} catch (VppApiInvocationException e) {
throw new WriteFailedException.DeleteFailedException(id, e);
}
}
}
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