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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 static java.util.Objects.requireNonNull;
import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
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.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.Interconnection;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.interconnection.BridgeBased;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.interconnection.XconnectBased;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
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;
/**
* Utility class providing Interconnection CUD support.
*/
final class InterconnectionWriteUtils {
private static final Logger LOG = LoggerFactory.getLogger(InterconnectionWriteUtils.class);
private final FutureJVpp futureJvpp;
private final NamingContext interfaceContext;
private final NamingContext bridgeDomainContext;
InterconnectionWriteUtils(@Nonnull final FutureJVpp futureJvpp,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext bridgeDomainContext) {
this.futureJvpp = requireNonNull(futureJvpp, "futureJvpp should not be null");
this.interfaceContext = requireNonNull(interfaceContext, "interfaceContext should not be null");
this.bridgeDomainContext = requireNonNull(bridgeDomainContext, "bridgeDomainContext should not be null");
}
void setInterconnection(final InstanceIdentifier<? extends DataObject> id, final int swIfIndex,
final String ifcName,
final Interconnection ic, final WriteContext writeContext)
throws WriteFailedException {
try {
if (ic == null) { // TODO in case of update we should delete interconnection
LOG.trace("Interconnection is not set. Skipping");
} else 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());
}
} catch (VppBaseCallException e) {
LOG.warn("Failed to update bridge/xconnect based interconnection flags for: {}, interconnection: {}",
ifcName, ic);
throw new WriteFailedException(id, "Unable to handle Interconnection of type " + ic.getClass(), e);
}
}
private void setBridgeBasedL2(final int swIfIndex, final String ifcName, final BridgeBased bb,
final WriteContext writeContext)
throws VppBaseCallException {
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 = 0;
if (bb.getSplitHorizonGroup() != null) {
shg = bb.getSplitHorizonGroup().byteValue();
}
final CompletionStage<SwInterfaceSetL2BridgeReply> swInterfaceSetL2BridgeReplyCompletionStage = futureJvpp
.swInterfaceSetL2Bridge(getL2BridgeRequest(swIfIndex, bdId, shg, bvi, (byte) 1 /* enable */));
final SwInterfaceSetL2BridgeReply reply =
TranslateUtils.getReply(swInterfaceSetL2BridgeReplyCompletionStage.toCompletableFuture());
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 VppBaseCallException {
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 =
futureJvpp
.swInterfaceSetL2Xconnect(getL2XConnectRequest(swIfIndex, outSwIfIndex, (byte) 1 /* enable */));
final SwInterfaceSetL2XconnectReply reply =
TranslateUtils.getReply(swInterfaceSetL2XconnectReplyCompletionStage.toCompletableFuture());
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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