openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/PacketProcessingServiceImpl.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 package org.opendaylight.openflowplugin.impl.services;
   9
  10 import com.google.common.base.Function;
  11 import com.google.common.util.concurrent.AsyncFunction;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.JdkFutureAdapters;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import java.math.BigInteger;
  16 import java.util.concurrent.Future;
  17 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  18 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  19 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.PacketOutConvertor;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.ConnectionCookie;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
  25 import org.opendaylight.yangtools.yang.common.RpcResult;
  26
  27 public class PacketProcessingServiceImpl extends CommonService implements PacketProcessingService {
  28
  29     public PacketProcessingServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  30         super(requestContextStack, deviceContext);
  31     }
  32
  33     @Override
  34     public Future<RpcResult<Void>> transmitPacket(final TransmitPacketInput input) {
  35
  36         return handleServiceCall(PRIMARY_CONNECTION, new Function<DataCrate<Void>, ListenableFuture<RpcResult<Void>>>() {
  37
  38             @Override
  39             public ListenableFuture<RpcResult<Void>> apply(DataCrate<Void> data) {
  40                 final Xid xid = data.getRequestContext().getXid();
  41                 final PacketOutInput message = PacketOutConvertor.toPacketOutInput(input, version, xid.getValue(),
  42                         datapathId);
  43
  44                 BigInteger connectionID = PRIMARY_CONNECTION;
  45                 final ConnectionCookie connectionCookie = input.getConnectionCookie();
  46                 if (connectionCookie != null && connectionCookie.getValue() != null) {
  47                     connectionID = BigInteger.valueOf(connectionCookie.getValue());
  48                 }
  49
  50                 ListenableFuture<RpcResult<Void>> rpcResultListenableFuture = JdkFutureAdapters.listenInPoolThread(provideConnectionAdapter(connectionID).packetOut(message));
  51                 return Futures.transform(rpcResultListenableFuture, new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {
  52                     @Override
  53                     public ListenableFuture<RpcResult<Void>> apply(RpcResult<Void> rpcResult) throws Exception {
  54                         if (! rpcResult.isSuccessful()) {
  55                             return Futures.immediateFuture(rpcResult);
  56                         } else {
  57                             return Futures.immediateCancelledFuture();
  58                         }
  59                     }
  60                 });
  61             }
  62         });
  63
  64     }
  65 }