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 static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.Function;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.JdkFutureAdapters;
  15 import com.google.common.util.concurrent.MoreExecutors;
  16 import io.netty.channel.ChannelFuture;
  17 import java.util.Set;
  18 import java.util.concurrent.Future;
  19 import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefresh;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefreshBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.BgpPeerRpcService;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.RouteRefreshRequestInput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  25 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  26 import org.opendaylight.yangtools.yang.common.RpcResult;
  27 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class BgpPeerRpc implements BgpPeerRpcService {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(BgpPeerRpc.class);
  34     private static final String FAILURE_MSG = "Failed to send Route Refresh message";
  35
  36     private final BGPSession session;
  37     private final Set<TablesKey> supportedFamilies;
  38
  39     BgpPeerRpc(final BGPSession session, final Set<TablesKey> supportedFamilies) {
  40         this.session = requireNonNull(session);
  41         this.supportedFamilies = requireNonNull(supportedFamilies);
  42     }
  43
  44     @Override
  45     public Future<RpcResult<Void>> routeRefreshRequest(final RouteRefreshRequestInput input) {
  46         final ChannelFuture f = sendRRMessage(input);
  47         if (f != null) {
  48             return Futures.transform(JdkFutureAdapters.listenInPoolThread(f), (Function<Void, RpcResult<Void>>) input1 -> {
  49                 if (f.isSuccess()) {
  50                     return RpcResultBuilder.<Void>success().build();
  51                 }
  52                 return RpcResultBuilder.<Void>failed().withError(ErrorType.RPC, FAILURE_MSG).build();
  53             }, MoreExecutors.directExecutor());
  54         }
  55         return RpcResultBuilder.<Void>failed().withError(ErrorType.RPC, FAILURE_MSG + " due to unsupported address families.").buildFuture();
  56     }
  57
  58     private ChannelFuture sendRRMessage(final RouteRefreshRequestInput input) {
  59         if (!this.supportedFamilies.contains(new TablesKey(input.getAfi(), input.getSafi()))) {
  60             LOG.info("Unsupported afi/safi: {}, {}.", input.getAfi(), input.getSafi());
  61             return null;
  62         }
  63         final RouteRefresh msg = new RouteRefreshBuilder().setAfi(input.getAfi()).setSafi(input.getSafi()).build();
  64         return ((BGPSessionImpl) this.session).getLimiter().writeAndFlush(msg);
  65     }
  66
  67 }