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 package org.opendaylight.protocol.bgp.state;
   9
  10 import java.util.List;
  11 import java.util.Optional;
  12 import java.util.stream.Collectors;
  13 import org.eclipse.jdt.annotation.NonNull;
  14 import org.opendaylight.protocol.bgp.openconfig.spi.BGPTableTypeRegistryConsumer;
  15 import org.opendaylight.protocol.bgp.rib.spi.state.BGPRibState;
  16 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
  17 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafiBuilder;
  18 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.StateBuilder;
  19 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.AfiSafisBuilder;
  20 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Global;
  21 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.GlobalBuilder;
  22 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.AfiSafiType;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev180329.GlobalAfiSafiStateAugmentationBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  25
  26 public final class GlobalUtil {
  27     private GlobalUtil() {
  28         // Hidden on purpose
  29     }
  30
  31     /**
  32      * Build Openconfig Global containing RIB group stats from a list of BGP RIB State.
  33      *
  34      * @param ribState             containing RIb Operational State
  35      * @param bgpTableTypeRegistry BGP TableType Registry
  36      * @return Global containing state
  37      */
  38     public static @NonNull Global buildGlobal(final BGPRibState ribState,
  39             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  40         return new GlobalBuilder().setState(buildState(ribState))
  41                 .setAfiSafis(new AfiSafisBuilder().setAfiSafi(buildAfisSafis(ribState, bgpTableTypeRegistry)).build())
  42                 .build();
  43     }
  44
  45     /**
  46      * Build per AFI SAFI Openconfig Global State containing RIB group stats from a list of BGP RIB State.
  47      *
  48      * @param ribState             containing RIb Operational State
  49      * @param bgpTableTypeRegistry BGP TableType Registry
  50      * @return List containing per afi/safi operational state
  51      */
  52     public static List<AfiSafi> buildAfisSafis(final BGPRibState ribState,
  53             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  54         return ribState.getPathsCount().keySet().stream()
  55                 .map(tk -> buildAfiSafi(ribState, tk, bgpTableTypeRegistry))
  56                 .collect(Collectors.toList());
  57     }
  58
  59     /**
  60      * Build Openconfig Global State.
  61      *
  62      * @param ribState containing RIb Operational State
  63      * @return Openconfig Global State
  64      */
  65     public static org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base
  66             .State buildState(final BGPRibState ribState) {
  67         return new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.StateBuilder()
  68                 .setAs(ribState.getAs())
  69                 .setRouterId(ribState.getRouteId())
  70                 .setTotalPaths(ribState.getTotalPathsCount())
  71                 .setTotalPrefixes(ribState.getTotalPrefixesCount())
  72                 .build();
  73     }
  74
  75     /**
  76      * Build Afi Safi containing State.
  77      *
  78      * @param ribState             containing RIb Operational State
  79      * @param tablesKey            table Key
  80      * @param bgpTableTypeRegistry BGP TableType Registry
  81      * @return Afi Safi Operational State
  82      */
  83     public static AfiSafi buildAfiSafi(final BGPRibState ribState, final TablesKey tablesKey,
  84             final BGPTableTypeRegistryConsumer bgpTableTypeRegistry) {
  85         final Optional<Class<? extends AfiSafiType>> optAfiSafi = bgpTableTypeRegistry.getAfiSafiType(tablesKey);
  86         if (!optAfiSafi.isPresent()) {
  87             return null;
  88         }
  89         return new AfiSafiBuilder()
  90                 .setAfiSafiName(optAfiSafi.get())
  91                 .setState(new StateBuilder()
  92                     .addAugmentation(new GlobalAfiSafiStateAugmentationBuilder()
  93                         .setTotalPaths(ribState.getPathCount(tablesKey))
  94                         .setTotalPrefixes(ribState.getPrefixesCount(tablesKey))
  95                         .build())
  96                     .build())
  97                 .build();
  98     }
  99 }