gerrit.fd Code Review - hc2vpp.git/blob

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.v3po.translate.v3po.interfaces;
  18
  19 import static com.google.common.base.Preconditions.checkArgument;
  20 import static java.util.Objects.requireNonNull;
  21
  22 import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
  23 import io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils;
  24 import io.fd.honeycomb.v3po.translate.write.WriteContext;
  25 import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
  26 import java.util.concurrent.CompletionStage;
  27 import javax.annotation.Nonnull;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.Interconnection;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.interconnection.BridgeBased;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.base.attributes.interconnection.XconnectBased;
  31 import org.opendaylight.yangtools.yang.binding.DataObject;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.openvpp.jvpp.VppBaseCallException;
  34 import org.openvpp.jvpp.dto.SwInterfaceSetL2Bridge;
  35 import org.openvpp.jvpp.dto.SwInterfaceSetL2BridgeReply;
  36 import org.openvpp.jvpp.dto.SwInterfaceSetL2Xconnect;
  37 import org.openvpp.jvpp.dto.SwInterfaceSetL2XconnectReply;
  38 import org.openvpp.jvpp.future.FutureJVpp;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * Utility class providing Interconnection CUD support.
  44  */
  45 final class InterconnectionWriteUtils {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(InterconnectionWriteUtils.class);
  48
  49     private final FutureJVpp futureJvpp;
  50     private final NamingContext interfaceContext;
  51     private final NamingContext bridgeDomainContext;
  52
  53     InterconnectionWriteUtils(@Nonnull final FutureJVpp futureJvpp,
  54                               @Nonnull final NamingContext interfaceContext,
  55                               @Nonnull final NamingContext bridgeDomainContext) {
  56         this.futureJvpp = requireNonNull(futureJvpp, "futureJvpp should not be null");
  57         this.interfaceContext = requireNonNull(interfaceContext, "interfaceContext should not be null");
  58         this.bridgeDomainContext = requireNonNull(bridgeDomainContext, "bridgeDomainContext should not be null");
  59     }
  60
  61     void setInterconnection(final InstanceIdentifier<? extends DataObject> id, final int swIfIndex,
  62                             final String ifcName,
  63                             final Interconnection ic, final WriteContext writeContext)
  64         throws WriteFailedException {
  65         try {
  66             if (ic == null) { // TODO in case of update we should delete interconnection
  67                 LOG.trace("Interconnection is not set. Skipping");
  68             } else if (ic instanceof XconnectBased) {
  69                 setXconnectBasedL2(swIfIndex, ifcName, (XconnectBased) ic, writeContext);
  70             } else if (ic instanceof BridgeBased) {
  71                 setBridgeBasedL2(swIfIndex, ifcName, (BridgeBased) ic, writeContext);
  72             } else {
  73                 // FIXME how does choice extensibility work
  74                 // FIXME it is not even possible to create a dedicated customizer for Interconnection, since it's not a DataObject
  75                 // FIXME we might need a choice customizer
  76                 // THis choice is already from augment, so its probably not possible to augment augmented choice
  77                 LOG.error("Unable to handle Interconnection of type {}", ic.getClass());
  78                 throw new WriteFailedException(id, "Unable to handle Interconnection of type " + ic.getClass());
  79             }
  80         } catch (VppBaseCallException e) {
  81             LOG.warn("Failed to update bridge/xconnect based interconnection flags for: {}, interconnection: {}",
  82                 ifcName, ic);
  83             throw new WriteFailedException(id, "Unable to handle Interconnection of type " + ic.getClass(), e);
  84         }
  85     }
  86
  87     private void setBridgeBasedL2(final int swIfIndex, final String ifcName, final BridgeBased bb,
  88                                   final WriteContext writeContext)
  89         throws VppBaseCallException {
  90         LOG.debug("Setting bridge based interconnection(bridge-domain={}) for interface: {}", bb.getBridgeDomain(),
  91             ifcName);
  92
  93         String bdName = bb.getBridgeDomain();
  94
  95         int bdId = bridgeDomainContext.getIndex(bdName, writeContext.getMappingContext());
  96         checkArgument(bdId > 0, "Unable to set Interconnection for Interface: %s, bridge domain: %s does not exist",
  97             ifcName, bdName);
  98
  99         byte bvi = bb.isBridgedVirtualInterface()
 100             ? (byte) 1
 101             : (byte) 0;
 102         byte shg = 0;
 103         if (bb.getSplitHorizonGroup() != null) {
 104             shg = bb.getSplitHorizonGroup().byteValue();
 105         }
 106
 107         final CompletionStage<SwInterfaceSetL2BridgeReply> swInterfaceSetL2BridgeReplyCompletionStage = futureJvpp
 108             .swInterfaceSetL2Bridge(getL2BridgeRequest(swIfIndex, bdId, shg, bvi, (byte) 1 /* enable */));
 109         final SwInterfaceSetL2BridgeReply reply =
 110             TranslateUtils.getReply(swInterfaceSetL2BridgeReplyCompletionStage.toCompletableFuture());
 111
 112         LOG.debug("Bridge based interconnection updated successfully for: {}, interconnection: {}", ifcName, bb);
 113     }
 114
 115     private SwInterfaceSetL2Bridge getL2BridgeRequest(final int swIfIndex, final int bdId, final byte shg,
 116                                                       final byte bvi, final byte enabled) {
 117         final SwInterfaceSetL2Bridge swInterfaceSetL2Bridge = new SwInterfaceSetL2Bridge();
 118         swInterfaceSetL2Bridge.rxSwIfIndex = swIfIndex;
 119         swInterfaceSetL2Bridge.bdId = bdId;
 120         swInterfaceSetL2Bridge.shg = shg;
 121         swInterfaceSetL2Bridge.bvi = bvi;
 122         swInterfaceSetL2Bridge.enable = enabled;
 123         return swInterfaceSetL2Bridge;
 124     }
 125
 126     private void setXconnectBasedL2(final int swIfIndex, final String ifcName, final XconnectBased ic,
 127                                     final WriteContext writeContext)
 128         throws VppBaseCallException {
 129         String outSwIfName = ic.getXconnectOutgoingInterface();
 130         LOG.debug("Setting xconnect based interconnection(outgoing ifc={}) for interface: {}", outSwIfName, ifcName);
 131
 132         int outSwIfIndex = interfaceContext.getIndex(outSwIfName, writeContext.getMappingContext());
 133         checkArgument(outSwIfIndex > 0,
 134             "Unable to set Interconnection for Interface: %s, outgoing interface: %s does not exist",
 135             ifcName, outSwIfIndex);
 136
 137         final CompletionStage<SwInterfaceSetL2XconnectReply> swInterfaceSetL2XconnectReplyCompletionStage =
 138             futureJvpp
 139                 .swInterfaceSetL2Xconnect(getL2XConnectRequest(swIfIndex, outSwIfIndex, (byte) 1 /* enable */));
 140         final SwInterfaceSetL2XconnectReply reply =
 141             TranslateUtils.getReply(swInterfaceSetL2XconnectReplyCompletionStage.toCompletableFuture());
 142         LOG.debug("Xconnect based interconnection updated successfully for: {}, interconnection: {}", ifcName, ic);
 143     }
 144
 145     private SwInterfaceSetL2Xconnect getL2XConnectRequest(final int rxIfc, final int txIfc,
 146                                                           final byte enabled) {
 147
 148         final SwInterfaceSetL2Xconnect swInterfaceSetL2Xconnect = new SwInterfaceSetL2Xconnect();
 149         swInterfaceSetL2Xconnect.enable = enabled;
 150         swInterfaceSetL2Xconnect.rxSwIfIndex = rxIfc;
 151         swInterfaceSetL2Xconnect.txSwIfIndex = txIfc;
 152         return swInterfaceSetL2Xconnect;
 153     }
 154 }