bgp/openconfig-state/src/main/java/org/opendaylight/protocol/bgp/state/GlobalUtil.java

   1 /*
   2  * Copyright (c) 2016 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.state;
  10
  11 import java.util.List;
  12 import java.util.Optional;
  13 import java.util.stream.Collectors;
  14 import javax.annotation.Nonnull;
  15 import org.opendaylight.protocol.bgp.openconfig.spi.BGPTableTypeRegistryConsumer;
  16 import org.opendaylight.protocol.bgp.rib.spi.state.BGPRibState;
  17 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
  18 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafiBuilder;
  19 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.State;
  20 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.StateBuilder;
  21 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.AfiSafisBuilder;
  22 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Global;
  23 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.GlobalBuilder;
  24 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.AfiSafiType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev180329.GlobalAfiSafiStateAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev180329.GlobalAfiSafiStateAugmentationBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  28
  29 public final class GlobalUtil {
  30     private GlobalUtil() {
  31         throw new UnsupportedOperationException();
  32     }
  33
  34     /**
  35      * Build Openconfig Global containing RIB group stats from a list of BGP RIB State.
  36      *
  37      * @param ribState             containing RIb Operational State
  38      * @param bgpTableTypeRegistry BGP TableType Registry
  39      * @return Global containing state
  40      */
  41     @Nonnull
  42     public static Global buildGlobal(final BGPRibState ribState,
  43             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  44         return new GlobalBuilder().setState(buildState(ribState))
  45                 .setAfiSafis(new AfiSafisBuilder().setAfiSafi(buildAfisSafis(ribState, bgpTableTypeRegistry)).build())
  46                 .build();
  47     }
  48
  49     /**
  50      * Build per AFI SAFI Openconfig Global State containing RIB group stats from a list of BGP RIB State.
  51      *
  52      * @param ribState             containing RIb Operational State
  53      * @param bgpTableTypeRegistry BGP TableType Registry
  54      * @return List containing per afi/safi operational state
  55      */
  56     public static List<AfiSafi> buildAfisSafis(final BGPRibState ribState,
  57             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  58         return ribState.getPathsCount().keySet().stream()
  59                 .map(tk -> buildAfiSafi(ribState, tk, bgpTableTypeRegistry))
  60                 .collect(Collectors.toList());
  61     }
  62
  63     /**
  64      * Build Openconfig Global State.
  65      *
  66      * @param ribState containing RIb Operational State
  67      * @return Openconfig Global State
  68      */
  69     public static org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base
  70             .State buildState(final BGPRibState ribState) {
  71         return new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.StateBuilder()
  72                 .setAs(ribState.getAs())
  73                 .setRouterId(ribState.getRouteId())
  74                 .setTotalPaths(ribState.getTotalPathsCount())
  75                 .setTotalPrefixes(ribState.getTotalPrefixesCount())
  76                 .build();
  77     }
  78
  79     /**
  80      * Build Afi Safi containing State.
  81      *
  82      * @param ribState             containing RIb Operational State
  83      * @param tablesKey            table Key
  84      * @param bgpTableTypeRegistry BGP TableType Registry
  85      * @return Afi Safi Operational State
  86      */
  87     public static AfiSafi buildAfiSafi(final BGPRibState ribState, final TablesKey tablesKey,
  88             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  89         final Optional<Class<? extends AfiSafiType>> optAfiSafi = bgpTableTypeRegistry.getAfiSafiType(tablesKey);
  90         if (!optAfiSafi.isPresent()) {
  91             return null;
  92         }
  93         final State state = new StateBuilder()
  94                 .addAugmentation(GlobalAfiSafiStateAugmentation.class, new GlobalAfiSafiStateAugmentationBuilder()
  95                         .setTotalPaths(ribState.getPathCount(tablesKey))
  96                         .setTotalPrefixes(ribState.getPrefixesCount(tablesKey))
  97                         .build()).build();
  98         return new AfiSafiBuilder().setAfiSafiName(optAfiSafi.get()).setState(state).build();
  99     }
 100 }