openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/FlowCapableTransactionServiceImpl.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.util.concurrent.FutureCallback;
  11 import com.google.common.util.concurrent.SettableFuture;
  12 import java.util.concurrent.Future;
  13 import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  18 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.FlowCapableTransactionService;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.SendBarrierInput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierInput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierInputBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  25 import org.opendaylight.yangtools.yang.common.RpcError;
  26 import org.opendaylight.yangtools.yang.common.RpcResult;
  27 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  28 import org.slf4j.Logger;
  29
  30 public class FlowCapableTransactionServiceImpl extends CommonService implements FlowCapableTransactionService {
  31
  32     private static final Logger LOG = org.slf4j.LoggerFactory.getLogger(FlowCapableTransactionServiceImpl.class);
  33
  34     public FlowCapableTransactionServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  35         super(requestContextStack, deviceContext);
  36     }
  37
  38     @Override
  39     public Future<RpcResult<Void>> sendBarrier(final SendBarrierInput input) {
  40         final RequestContext<Void> requestContext = getRequestContextStack().createRequestContext();
  41         if (requestContext == null) {
  42             getMessageSpy().spyMessage(null, MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_FAILURE);
  43             return failedFuture();
  44         }
  45
  46         final DeviceContext deviceContext = getDeviceContext();
  47
  48         final BarrierInputBuilder barrierInputOFJavaBuilder = new BarrierInputBuilder();
  49         final Xid xid = requestContext.getXid();
  50         barrierInputOFJavaBuilder.setVersion(getVersion());
  51         barrierInputOFJavaBuilder.setXid(xid.getValue());
  52
  53         LOG.trace("Hooking xid {} to device context - precaution.", requestContext.getXid().getValue());
  54         deviceContext.hookRequestCtx(requestContext.getXid(), requestContext);
  55
  56         final OutboundQueue outboundQueue = getDeviceContext().getPrimaryConnectionContext().getOutboundQueueProvider();
  57         final SettableFuture<RpcResult<Void>> settableFuture = SettableFuture.create();
  58         final BarrierInput barrierInput = barrierInputOFJavaBuilder.build();
  59         outboundQueue.commitEntry(xid.getValue(), barrierInput, new FutureCallback<OfHeader>() {
  60             @Override
  61             public void onSuccess(final OfHeader ofHeader) {
  62                 RequestContextUtil.closeRequstContext(requestContext);
  63                 getDeviceContext().unhookRequestCtx(requestContext.getXid());
  64                 getMessageSpy().spyMessage(barrierInput.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_SUCCESS);
  65
  66                 settableFuture.set(RpcResultBuilder.<Void>success().build());
  67             }
  68
  69             @Override
  70             public void onFailure(final Throwable throwable) {
  71                 RpcResultBuilder rpcResultBuilder = RpcResultBuilder.<Void>failed().withError(RpcError.ErrorType.APPLICATION, throwable.getMessage(), throwable);
  72                 RequestContextUtil.closeRequstContext(requestContext);
  73                 getDeviceContext().unhookRequestCtx(requestContext.getXid());
  74                 getMessageSpy().spyMessage(barrierInput.getImplementedInterface(), MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_FAILURE);
  75                 settableFuture.set(rpcResultBuilder.build());
  76             }
  77         });
  78         return settableFuture;
  79     }
  80 }