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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.write;
import io.fd.hc2vpp.common.translate.util.AbstractInterfaceTypeCustomizer;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.jvpp.core.dto.CreateVhostUserIf;
import io.fd.jvpp.core.dto.CreateVhostUserIfReply;
import io.fd.jvpp.core.dto.DeleteVhostUserIf;
import io.fd.jvpp.core.dto.DeleteVhostUserIfReply;
import io.fd.jvpp.core.dto.ModifyVhostUserIf;
import io.fd.jvpp.core.dto.ModifyVhostUserIfReply;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VhostUserRole;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.VhostUser;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.InterfaceType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Writer Customizer responsible for passing vhost user interface CRD operations to VPP
*/
public class VhostUserCustomizer extends AbstractInterfaceTypeCustomizer<VhostUser>
implements ByteDataTranslator, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(VhostUserCustomizer.class);
private final NamingContext interfaceContext;
public VhostUserCustomizer(@Nonnull final FutureJVppCore vppApi, @Nonnull final NamingContext interfaceContext) {
super(vppApi);
this.interfaceContext = interfaceContext;
}
@Override
protected Class<? extends InterfaceType> getExpectedInterfaceType() {
return org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VhostUser.class;
}
@Override
protected final void writeInterface(@Nonnull final InstanceIdentifier<VhostUser> id,
@Nonnull final VhostUser dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String swIfName = id.firstKeyOf(Interface.class).getName();
createVhostUserIf(id, swIfName, dataAfter, writeContext);
}
private void createVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
final VhostUser vhostUser, final WriteContext writeContext)
throws WriteFailedException {
LOG.debug("Creating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
final CompletionStage<CreateVhostUserIfReply> createVhostUserIfReplyCompletionStage =
getFutureJVpp().createVhostUserIf(getCreateVhostUserIfRequest(vhostUser));
final CreateVhostUserIfReply reply =
getReplyForCreate(createVhostUserIfReplyCompletionStage.toCompletableFuture(), id, vhostUser);
LOG.debug("Vhost user interface created successfully for: {}, vhostUser: {}", swIfName, vhostUser);
// Add new interface to our interface context
interfaceContext.addName(reply.swIfIndex, swIfName, writeContext.getMappingContext());
}
private CreateVhostUserIf getCreateVhostUserIfRequest(final VhostUser vhostUser) {
CreateVhostUserIf request = new CreateVhostUserIf();
request.isServer = booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
request.sockFilename = vhostUser.getSocket().getBytes();
final Long deviceInstance = vhostUser.getDeviceInstance();
if (deviceInstance == null) {
request.renumber = 0;
} else {
request.renumber = 1;
request.customDevInstance = Math.toIntExact(deviceInstance);
}
final String tag = vhostUser.getTag();
if (tag != null) {
request.tag = tag.getBytes(StandardCharsets.US_ASCII);
}
request.useCustomMac = 0;
request.macAddress = new byte[]{};
return request;
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
@Nonnull final VhostUser dataBefore, @Nonnull final VhostUser dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String swIfName = id.firstKeyOf(Interface.class).getName();
modifyVhostUserIf(id, swIfName, dataBefore, dataAfter, writeContext);
}
private void modifyVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
final VhostUser vhostUserBefore, final VhostUser vhostUserAfter,
final WriteContext writeContext) throws WriteFailedException {
LOG.debug("Updating vhost user interface: name={}, vhostUser={}", swIfName, vhostUserAfter);
final CompletionStage<ModifyVhostUserIfReply> modifyVhostUserIfReplyCompletionStage =
getFutureJVpp()
.modifyVhostUserIf(getModifyVhostUserIfRequest(vhostUserAfter,
interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
getReplyForUpdate(modifyVhostUserIfReplyCompletionStage.toCompletableFuture(), id, vhostUserBefore,
vhostUserAfter);
LOG.debug("Vhost user interface updated successfully for: {}, vhostUser: {}", swIfName, vhostUserAfter);
}
private ModifyVhostUserIf getModifyVhostUserIfRequest(final VhostUser vhostUser, final int swIfIndex) {
ModifyVhostUserIf request = new ModifyVhostUserIf();
request.isServer = booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
request.sockFilename = vhostUser.getSocket().getBytes();
final Long deviceInstance = vhostUser.getDeviceInstance();
if (deviceInstance == null) {
request.renumber = 0;
} else {
request.renumber = 1;
request.customDevInstance = Math.toIntExact(deviceInstance);
}
request.swIfIndex = swIfIndex;
return request;
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
@Nonnull final VhostUser dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String swIfName = id.firstKeyOf(Interface.class).getName();
deleteVhostUserIf(id, swIfName, dataBefore, writeContext);
}
private void deleteVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
final VhostUser vhostUser, final WriteContext writeContext)
throws WriteFailedException {
LOG.debug("Deleting vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
final CompletionStage<DeleteVhostUserIfReply> deleteVhostUserIfReplyCompletionStage =
getFutureJVpp().deleteVhostUserIf(getDeleteVhostUserIfRequest(
interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
getReplyForDelete(deleteVhostUserIfReplyCompletionStage.toCompletableFuture(), id);
LOG.debug("Vhost user interface deleted successfully for: {}, vhostUser: {}", swIfName, vhostUser);
// Remove interface from our interface context
interfaceContext.removeName(swIfName, writeContext.getMappingContext());
}
private DeleteVhostUserIf getDeleteVhostUserIfRequest(final int swIfIndex) {
DeleteVhostUserIf request = new DeleteVhostUserIf();
request.swIfIndex = swIfIndex;
return request;
}
}
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