bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/BgpPeerRpc.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.rib.impl;
   9
  10 import com.google.common.base.Function;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.JdkFutureAdapters;
  14 import io.netty.channel.ChannelFuture;
  15 import java.util.Set;
  16 import java.util.concurrent.Future;
  17 import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefresh;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefreshBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.BgpPeerRpcService;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.RouteRefreshRequestInput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  23 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  24 import org.opendaylight.yangtools.yang.common.RpcResult;
  25 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class BgpPeerRpc implements BgpPeerRpcService {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(BgpPeerRpc.class);
  32     private static final String FAILURE_MSG = "Failed to send Route Refresh message";
  33
  34     private final BGPSession session;
  35     private final Set<TablesKey> supportedFamilies;
  36
  37     BgpPeerRpc(final BGPSession session, final Set<TablesKey> supportedFamilies) {
  38         this.session = Preconditions.checkNotNull(session);
  39         this.supportedFamilies = Preconditions.checkNotNull(supportedFamilies);
  40     }
  41
  42     @Override
  43     public Future<RpcResult<Void>> routeRefreshRequest(final RouteRefreshRequestInput input) {
  44         final ChannelFuture f = sendRRMessage(input);
  45         if (f != null) {
  46             return Futures.transform(JdkFutureAdapters.listenInPoolThread(f), new Function<Void, RpcResult<Void>>() {
  47                 @Override
  48                 public RpcResult<Void> apply(final Void input) {
  49                     if (f.isSuccess()) {
  50                         return RpcResultBuilder.<Void>success().build();
  51                     } else {
  52                         return RpcResultBuilder.<Void>failed().withError(ErrorType.RPC, FAILURE_MSG).build();
  53                     }
  54                 }
  55             });
  56         }
  57         return RpcResultBuilder.<Void>failed().withError(ErrorType.RPC, FAILURE_MSG + " due to unsupported address families.").buildFuture();
  58     }
  59
  60     private ChannelFuture sendRRMessage(final RouteRefreshRequestInput input) {
  61         if (!this.supportedFamilies.contains(new TablesKey(input.getAfi(), input.getSafi()))) {
  62             LOG.info("Unsupported afi/safi: {}, {}.", input.getAfi(), input.getSafi());
  63             return null;
  64         }
  65         final RouteRefresh msg = new RouteRefreshBuilder().setAfi(input.getAfi()).setSafi(input.getSafi()).build();
  66         return ((BGPSessionImpl) this.session).getLimiter().writeAndFlush(msg);
  67     }
  68
  69 }