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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.util.TranslateUtils;
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.VhostUserRole;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VhostUser;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.dto.CreateVhostUserIf;
import org.openvpp.jvpp.dto.CreateVhostUserIfReply;
import org.openvpp.jvpp.dto.DeleteVhostUserIf;
import org.openvpp.jvpp.dto.DeleteVhostUserIfReply;
import org.openvpp.jvpp.dto.ModifyVhostUserIf;
import org.openvpp.jvpp.dto.ModifyVhostUserIfReply;
import org.openvpp.jvpp.future.FutureJVpp;
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> {
private static final Logger LOG = LoggerFactory.getLogger(VhostUserCustomizer.class);
private final NamingContext interfaceContext;
public VhostUserCustomizer(@Nonnull final FutureJVpp vppApi, @Nonnull final NamingContext interfaceContext) {
super(vppApi);
this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
}
@Nonnull
@Override
public Optional<VhostUser> extract(@Nonnull final InstanceIdentifier<VhostUser> currentId,
@Nonnull final DataObject parentData) {
return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getVhostUser());
}
@Override
protected Class<? extends InterfaceType> getExpectedInterfaceType() {
return org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VhostUser.class;
}
@Override
protected final void writeInterface(@Nonnull final InstanceIdentifier<VhostUser> id,
@Nonnull final VhostUser dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException.CreateFailedException {
try {
createVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataAfter, writeContext);
} catch (VppApiInvocationException | IllegalInterfaceTypeException e) {
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
private void createVhostUserIf(final String swIfName, final VhostUser vhostUser, final WriteContext writeContext) throws VppApiInvocationException {
LOG.debug("Creating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
final CompletionStage<CreateVhostUserIfReply> createVhostUserIfReplyCompletionStage =
getFutureJVpp().createVhostUserIf(getCreateVhostUserIfRequest(vhostUser));
final CreateVhostUserIfReply reply =
TranslateUtils.getReply(createVhostUserIfReplyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.debug("Failed to create vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
throw new VppApiInvocationException("createVhostUserIf", reply.context, reply.retval);
} else {
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 = TranslateUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
request.sockFilename = vhostUser.getSocket().getBytes();
request.renumber = 0; // TODO
request.customDevInstance = 0; // TODO
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.UpdateFailedException {
try {
modifyVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataAfter, writeContext);
} catch (VppApiInvocationException e) {
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
}
}
private void modifyVhostUserIf(final String swIfName, final VhostUser vhostUser, final WriteContext writeContext) throws VppApiInvocationException {
LOG.debug("Updating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
final CompletionStage<ModifyVhostUserIfReply> modifyVhostUserIfReplyCompletionStage =
getFutureJVpp()
.modifyVhostUserIf(getModifyVhostUserIfRequest(vhostUser, interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
final ModifyVhostUserIfReply reply =
TranslateUtils.getReply(modifyVhostUserIfReplyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.debug("Failed to update vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
throw new VppApiInvocationException("modifyVhostUserIf", reply.context, reply.retval);
} else {
LOG.debug("Vhost user interface updated successfully for: {}, vhostUser: {}", swIfName, vhostUser);
}
}
private ModifyVhostUserIf getModifyVhostUserIfRequest(final VhostUser vhostUser, final int swIfIndex) {
ModifyVhostUserIf request = new ModifyVhostUserIf();
request.isServer = TranslateUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
request.sockFilename = vhostUser.getSocket().getBytes();
request.renumber = 0; // TODO
request.customDevInstance = 0; // TODO
request.swIfIndex = swIfIndex;
return request;
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
@Nonnull final VhostUser dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException.DeleteFailedException {
try {
deleteVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataBefore, writeContext);
} catch (VppApiInvocationException e) {
throw new WriteFailedException.DeleteFailedException(id, e);
}
}
private void deleteVhostUserIf(final String swIfName, final VhostUser vhostUser, final WriteContext writeContext) throws VppApiInvocationException {
LOG.debug("Deleting vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
final CompletionStage<DeleteVhostUserIfReply> deleteVhostUserIfReplyCompletionStage =
getFutureJVpp().deleteVhostUserIf(getDeleteVhostUserIfRequest(interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
final DeleteVhostUserIfReply reply =
TranslateUtils.getReply(deleteVhostUserIfReplyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.debug("Failed to delete vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
throw new VppApiInvocationException("modifyVhostUserIf", reply.context, reply.retval);
} else {
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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