bgp/openconfig-impl/src/main/java/org/opendaylight/protocol/bgp/openconfig/impl/util/OpenConfigUtil.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.protocol.bgp.openconfig.impl.util;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.ImmutableMap;
  13 import com.google.common.collect.ImmutableMap.Builder;
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.function.BiFunction;
  19 import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
  20 import org.opendaylight.protocol.bgp.mode.impl.add.n.paths.AddPathBestNPathSelection;
  21 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  22 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
  23 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafiBuilder;
  24 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.UseMultiplePathsBuilder;
  25 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.ConfigBuilder;
  26 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.EbgpBuilder;
  27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.IbgpBuilder;
  28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.AfiSafi1;
  29 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.AfiSafi1Builder;
  30 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.AfiSafi2;
  31 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.AfiSafi2Builder;
  32 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp;
  33 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV4LABELLEDUNICAST;
  34 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV4UNICAST;
  35 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV6LABELLEDUNICAST;
  36 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV6UNICAST;
  37 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.L2VPNEVPN;
  38 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.L3VPNIPV4UNICAST;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev160321.EvpnSubsequentAddressFamily;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev160321.L2vpnAddressFamily;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150807.FlowspecSubsequentAddressFamily;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev150525.LabeledUnicastSubsequentAddressFamily;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateAddressFamily;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.LinkstateSubsequentAddressFamily;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamilies;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev150930.Ipv4Flow;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev150930.Ipv6Flow;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev150930.Linkstate;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.MplsLabeledVpnSubsequentAddressFamily;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56
  57 public final class OpenConfigUtil {
  58
  59     public static final InstanceIdentifier<Bgp> BGP_IID = InstanceIdentifier.create(Bgp.class);
  60
  61     public static final String APPLICATION_PEER_GROUP_NAME = "application-peers";
  62
  63     private static final Map<BgpTableType, AfiSafi> TABLETYPE_TO_AFISAFI;
  64
  65     static {
  66         final Builder<BgpTableType, AfiSafi> b = ImmutableMap.builder();
  67         b.put(new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class),
  68             new AfiSafiBuilder().setAfiSafiName(IPV4UNICAST.class).build());
  69         b.put(new BgpTableTypeImpl(Ipv6AddressFamily.class, UnicastSubsequentAddressFamily.class),
  70             new AfiSafiBuilder().setAfiSafiName(IPV6UNICAST.class).build());
  71         b.put(new BgpTableTypeImpl(Ipv4AddressFamily.class, LabeledUnicastSubsequentAddressFamily.class),
  72             new AfiSafiBuilder().setAfiSafiName(IPV4LABELLEDUNICAST.class).build());
  73         b.put(new BgpTableTypeImpl(Ipv6AddressFamily.class, LabeledUnicastSubsequentAddressFamily.class),
  74             new AfiSafiBuilder().setAfiSafiName(IPV6LABELLEDUNICAST.class).build());
  75         b.put(new BgpTableTypeImpl(Ipv4AddressFamily.class, MplsLabeledVpnSubsequentAddressFamily.class),
  76             new AfiSafiBuilder().setAfiSafiName(L3VPNIPV4UNICAST.class).build());
  77         b.put(new BgpTableTypeImpl(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class),
  78             new AfiSafiBuilder().setAfiSafiName(Linkstate.class).build());
  79         b.put(new BgpTableTypeImpl(Ipv4AddressFamily.class, FlowspecSubsequentAddressFamily.class),
  80             new AfiSafiBuilder().setAfiSafiName(Ipv4Flow.class).build());
  81         b.put(new BgpTableTypeImpl(Ipv6AddressFamily.class, FlowspecSubsequentAddressFamily.class),
  82             new AfiSafiBuilder().setAfiSafiName(Ipv6Flow.class).build());
  83         b.put(new BgpTableTypeImpl(L2vpnAddressFamily.class, EvpnSubsequentAddressFamily.class),
  84             new AfiSafiBuilder().setAfiSafiName(L2VPNEVPN.class).build());
  85         TABLETYPE_TO_AFISAFI = b.build();
  86     }
  87
  88     private OpenConfigUtil() {
  89         throw new UnsupportedOperationException();
  90     }
  91
  92     public static Optional<AfiSafi> toAfiSafi(final BgpTableType tableType) {
  93         return Optional.fromNullable(TABLETYPE_TO_AFISAFI.get(tableType));
  94     }
  95
  96     public static List<AfiSafi> toAfiSafis(final List<BgpTableType> advertizedTables, final BiFunction<AfiSafi, BgpTableType, AfiSafi> function) {
  97         final List<AfiSafi> afiSafis = new ArrayList<>(advertizedTables.size());
  98         for (final BgpTableType tableType : advertizedTables) {
  99             final Optional<AfiSafi> afiSafiMaybe = toAfiSafi(new BgpTableTypeImpl(tableType.getAfi(), tableType.getSafi()));
 100             if (afiSafiMaybe.isPresent()) {
 101                 final AfiSafi afiSafi = function.apply(afiSafiMaybe.get(), tableType);
 102                 afiSafis.add(afiSafi);
 103             }
 104         }
 105         return afiSafis;
 106     }
 107
 108     public static String getModuleName(final String provider) {
 109         return provider.substring(provider.lastIndexOf('=') + 2, provider.length() - 2);
 110     }
 111
 112     public static AfiSafi toNeigborAfiSafiMultiPath(final AfiSafi afiSafi, final BgpTableType tableType, final Collection<AddressFamilies> addPathCapabilities) {
 113         final java.util.Optional<AddressFamilies> addPathMayBe = addPathCapabilities.stream().filter(
 114                 af -> af.getAfi() == tableType.getAfi() && af.getSafi() == tableType.getSafi()).findFirst();
 115         if (addPathMayBe.isPresent()) {
 116             final AfiSafi2 afiSafi3 = new AfiSafi2Builder().setUseMultiplePaths(
 117                     new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor.UseMultiplePathsBuilder().setConfig(
 118                     new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor.use.multiple.paths.ConfigBuilder()
 119                         .setEnabled(true).build()).build()).build();
 120             return new AfiSafiBuilder(afiSafi).addAugmentation(AfiSafi2.class, afiSafi3).build();
 121         }
 122         return afiSafi;
 123     }
 124
 125     public static AfiSafi toGlobalAfiSafiMultiPath(final AfiSafi afiSafi, final BgpTableType tableType, final Map<TablesKey, PathSelectionMode> pathSelectionModes) {
 126         final PathSelectionMode pathSelection = pathSelectionModes.get(new TablesKey(tableType.getAfi(), tableType.getSafi()));
 127         if (pathSelection == null) {
 128             return afiSafi;
 129         }
 130         final Long maxPaths;
 131         if (pathSelection instanceof AddPathBestNPathSelection) {
 132             maxPaths = ((AddPathBestNPathSelection) pathSelection).getNBestPaths();
 133         } else {
 134             maxPaths = null;
 135         }
 136         final AfiSafi1 afiSafi1 = new AfiSafi1Builder().setUseMultiplePaths(
 137                 new UseMultiplePathsBuilder().setConfig(new ConfigBuilder().setEnabled(true).build())
 138                     .setEbgp(maxPaths != null ? new EbgpBuilder().setConfig(
 139                             new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.ebgp.ConfigBuilder()
 140                                 .setMaximumPaths(maxPaths)
 141                                 .build()).build() : null)
 142                     .setIbgp(maxPaths != null ? new IbgpBuilder().setConfig(
 143                         new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.use.multiple.paths.ibgp.ConfigBuilder()
 144                             .setMaximumPaths(maxPaths).build()).build() : null).build()).build();
 145         return new AfiSafiBuilder(afiSafi).addAugmentation(AfiSafi1.class, afiSafi1).build();
 146     }
 147 }