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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 static com.google.common.base.Preconditions.checkArgument;
import com.google.common.base.Optional;
import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
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.interfaces.Interface;
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.L2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.Interconnection;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.interconnection.BridgeBased;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.interconnection.XconnectBased;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.dto.SwInterfaceSetL2Bridge;
import org.openvpp.jvpp.dto.SwInterfaceSetL2BridgeReply;
import org.openvpp.jvpp.dto.SwInterfaceSetL2Xconnect;
import org.openvpp.jvpp.dto.SwInterfaceSetL2XconnectReply;
import org.openvpp.jvpp.future.FutureJVpp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class L2Customizer extends FutureJVppCustomizer implements ChildWriterCustomizer<L2> {
private static final Logger LOG = LoggerFactory.getLogger(L2Customizer.class);
private final NamingContext interfaceContext;
private final NamingContext bridgeDomainContext;
public L2Customizer(final FutureJVpp vppApi, final NamingContext interfaceContext,
final NamingContext bridgeDomainContext) {
super(vppApi);
this.interfaceContext = interfaceContext;
this.bridgeDomainContext = bridgeDomainContext;
}
@Nonnull
@Override
public Optional<L2> extract(@Nonnull final InstanceIdentifier<L2> currentId, @Nonnull final DataObject parentData) {
return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getL2());
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
final int swIfc = interfaceContext.getIndex(ifcName, writeContext.getMappingContext());
try {
setL2(id, swIfc, ifcName, dataAfter, writeContext);
} catch (VppApiInvocationException e) {
LOG.warn("Write of L2 failed", e);
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataBefore,
@Nonnull final L2 dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
final int swIfc = interfaceContext.getIndex(ifcName, writeContext.getMappingContext());
// TODO handle update properly (if possible)
try {
setL2(id, swIfc, ifcName, dataAfter, writeContext);
} catch (VppApiInvocationException e) {
LOG.warn("Update of L2 failed", e);
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataBefore,
@Nonnull final WriteContext writeContext) {
// TODO implement delete (if possible)
}
private void setL2(final InstanceIdentifier<L2> id, final int swIfIndex, final String ifcName, final L2 vppL2,
final WriteContext writeContext)
throws VppApiInvocationException, WriteFailedException {
LOG.debug("Setting L2 for interface: {}", ifcName);
// Nothing besides interconnection here
setInterconnection(id, swIfIndex, ifcName, vppL2, writeContext);
}
private void setInterconnection(final InstanceIdentifier<L2> id, final int swIfIndex, final String ifcName,
final L2 vppL2, final WriteContext writeContext)
throws VppApiInvocationException, WriteFailedException {
Interconnection ic = vppL2.getInterconnection();
if (ic instanceof XconnectBased) {
setXconnectBasedL2(swIfIndex, ifcName, (XconnectBased) ic, writeContext);
} else if (ic instanceof BridgeBased) {
setBridgeBasedL2(swIfIndex, ifcName, (BridgeBased) ic, writeContext);
} else {
// FIXME how does choice extensibility work
// FIXME it is not even possible to create a dedicated customizer for Interconnection, since it's not a DataObject
// FIXME we might need a choice customizer
// THis choice is already from augment, so its probably not possible to augment augmented choice
LOG.error("Unable to handle Interconnection of type {}", ic.getClass());
throw new WriteFailedException(id, "Unable to handle Interconnection of type " + ic.getClass());
}
}
private void setBridgeBasedL2(final int swIfIndex, final String ifcName, final BridgeBased bb,
final WriteContext writeContext)
throws VppApiInvocationException {
LOG.debug("Setting bridge based interconnection(bridge-domain={}) for interface: {}",
bb.getBridgeDomain(), ifcName);
String bdName = bb.getBridgeDomain();
int bdId = bridgeDomainContext.getIndex(bdName, writeContext.getMappingContext());
checkArgument(bdId > 0, "Unable to set Interconnection for Interface: %s, bridge domain: %s does not exist",
ifcName, bdName);
byte bvi = bb.isBridgedVirtualInterface()
? (byte) 1
: (byte) 0;
byte shg = bb.getSplitHorizonGroup().byteValue();
final CompletionStage<SwInterfaceSetL2BridgeReply> swInterfaceSetL2BridgeReplyCompletionStage = getFutureJVpp()
.swInterfaceSetL2Bridge(getL2BridgeRequest(swIfIndex, bdId, shg, bvi, (byte) 1 /* enable */));
final SwInterfaceSetL2BridgeReply reply =
V3poUtils.getReply(swInterfaceSetL2BridgeReplyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.warn("Failed to update bridge based interconnection flags for: {}, interconnection: {}", ifcName,
bb);
throw new VppApiInvocationException("swInterfaceSetL2Bridge", reply.context, reply.retval);
} else {
LOG.debug("Bridge based interconnection updated successfully for: {}, interconnection: {}", ifcName,
bb);
}
}
private SwInterfaceSetL2Bridge getL2BridgeRequest(final int swIfIndex, final int bdId, final byte shg,
final byte bvi, final byte enabled) {
final SwInterfaceSetL2Bridge swInterfaceSetL2Bridge = new SwInterfaceSetL2Bridge();
swInterfaceSetL2Bridge.rxSwIfIndex = swIfIndex;
swInterfaceSetL2Bridge.bdId = bdId;
swInterfaceSetL2Bridge.shg = shg;
swInterfaceSetL2Bridge.bvi = bvi;
swInterfaceSetL2Bridge.enable = enabled;
return swInterfaceSetL2Bridge;
}
private void setXconnectBasedL2(final int swIfIndex, final String ifcName, final XconnectBased ic,
final WriteContext writeContext)
throws VppApiInvocationException {
String outSwIfName = ic.getXconnectOutgoingInterface();
LOG.debug("Setting xconnect based interconnection(outgoing ifc={}) for interface: {}", outSwIfName,
ifcName);
int outSwIfIndex = interfaceContext.getIndex(outSwIfName, writeContext.getMappingContext());
checkArgument(outSwIfIndex > 0,
"Unable to set Interconnection for Interface: %s, outgoing interface: %s does not exist",
ifcName, outSwIfIndex);
final CompletionStage<SwInterfaceSetL2XconnectReply> swInterfaceSetL2XconnectReplyCompletionStage =
getFutureJVpp()
.swInterfaceSetL2Xconnect(getL2XConnectRequest(swIfIndex, outSwIfIndex, (byte) 1 /* enable */));
final SwInterfaceSetL2XconnectReply reply =
V3poUtils.getReply(swInterfaceSetL2XconnectReplyCompletionStage.toCompletableFuture());
if (reply.retval < 0) {
LOG.warn("Failed to update xconnect based interconnection flags for: {}, interconnection: {}",
ifcName, ic);
throw new VppApiInvocationException("swInterfaceSetL2Xconnect", reply.context, reply.retval);
} else {
LOG.debug("Xconnect based interconnection updated successfully for: {}, interconnection: {}", ifcName,
ic);
}
}
private SwInterfaceSetL2Xconnect getL2XConnectRequest(final int rxIfc, final int txIfc,
final byte enabled) {
final SwInterfaceSetL2Xconnect swInterfaceSetL2Xconnect = new SwInterfaceSetL2Xconnect();
swInterfaceSetL2Xconnect.enable = enabled;
swInterfaceSetL2Xconnect.rxSwIfIndex = rxIfc;
swInterfaceSetL2Xconnect.txSwIfIndex = txIfc;
return swInterfaceSetL2Xconnect;
}
}
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