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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.interfaces;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
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.SwInterfaceSetL2Bridge;
import io.fd.jvpp.core.dto.SwInterfaceSetL2BridgeReply;
import io.fd.jvpp.core.dto.SwInterfaceSetL2Xconnect;
import io.fd.jvpp.core.dto.SwInterfaceSetL2XconnectReply;
import io.fd.jvpp.core.future.FutureJVppCore;
import io.fd.jvpp.core.types.L2PortType;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.l2.config.attributes.Interconnection;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.l2.config.attributes.interconnection.BridgeBased;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.l2.config.attributes.interconnection.XconnectBased;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Utility class providing Interconnection CUD support.
*/
final class InterconnectionWriteUtils implements JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(InterconnectionWriteUtils.class);
private final FutureJVppCore futureJVppCore;
private final NamingContext interfaceContext;
private final NamingContext bridgeDomainContext;
InterconnectionWriteUtils(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext bridgeDomainContext) {
this.futureJVppCore = requireNonNull(futureJVppCore, "futureJVppCore 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 {
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(id, swIfIndex, ifcName, (XconnectBased) ic, writeContext, (byte) 1 /*enable*/);
} else if (ic instanceof BridgeBased) {
setBridgeBasedL2(id, swIfIndex, ifcName, (BridgeBased) ic, writeContext, (byte) 1 /*enable*/);
} else {
// Choices&cases are not data objects, so they cannot have a dedicated Reader/Writer
// This choice is already from augment, so its 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());
}
}
void deleteInterconnection(final InstanceIdentifier<? extends DataObject> id, final int swIfIndex,
final String ifcName, final Interconnection ic, final WriteContext writeContext)
throws WriteFailedException {
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(id, swIfIndex, ifcName, (XconnectBased) ic, writeContext, (byte) 0 /*disable*/);
} else if (ic instanceof BridgeBased) {
setBridgeBasedL2(id, swIfIndex, ifcName, (BridgeBased) ic, writeContext, (byte) 0 /*disable*/);
} else {
LOG.error("Unable to delete Interconnection of type {}", ic.getClass());
throw new WriteFailedException(id, "Unable to delete Interconnection of type " + ic.getClass());
}
}
private void setBridgeBasedL2(final InstanceIdentifier<? extends DataObject> id, final int swIfIndex,
final String ifcName, final BridgeBased bb,
final WriteContext writeContext, final byte enabled) throws WriteFailedException {
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 shg = 0;
if (bb.getSplitHorizonGroup() != null) {
shg = bb.getSplitHorizonGroup().byteValue();
}
final CompletionStage<SwInterfaceSetL2BridgeReply> swInterfaceSetL2BridgeReplyCompletionStage = futureJVppCore
.swInterfaceSetL2Bridge(getL2BridgeRequest(swIfIndex, bdId, shg, bb.isBridgedVirtualInterface(), enabled));
getReplyForWrite(swInterfaceSetL2BridgeReplyCompletionStage.toCompletableFuture(), id);
LOG.debug("Bridge based interconnection updated successfully for: {}, interconnection: {}", ifcName, bb);
}
private SwInterfaceSetL2Bridge getL2BridgeRequest(final int swIfIndex, final int bdId, final byte shg,
final Boolean bvi, final byte enabled) {
final SwInterfaceSetL2Bridge swInterfaceSetL2Bridge = new SwInterfaceSetL2Bridge();
swInterfaceSetL2Bridge.rxSwIfIndex = swIfIndex;
swInterfaceSetL2Bridge.bdId = bdId;
swInterfaceSetL2Bridge.shg = shg;
// TODO HC2VPP-389: add support for unknown unicast type
swInterfaceSetL2Bridge.portType = bvi ? L2PortType.L2_API_PORT_TYPE_BVI : L2PortType.L2_API_PORT_TYPE_NORMAL;
swInterfaceSetL2Bridge.enable = enabled;
return swInterfaceSetL2Bridge;
}
private void setXconnectBasedL2(final InstanceIdentifier<? extends DataObject> id, final int swIfIndex,
final String ifcName, final XconnectBased ic,
final WriteContext writeContext, final byte enabled) throws WriteFailedException {
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 =
futureJVppCore
.swInterfaceSetL2Xconnect(getL2XConnectRequest(swIfIndex, outSwIfIndex, enabled));
getReplyForWrite(swInterfaceSetL2XconnectReplyCompletionStage.toCompletableFuture(), id);
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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