openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/AbstractRequestCallback.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.Preconditions;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import javax.annotation.Nonnull;
  13 import javax.annotation.Nullable;
  14 import org.opendaylight.openflowjava.protocol.api.connection.DeviceRequestFailedException;
  15 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  16 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
  17 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy.STATISTIC_GROUP;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.Error;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  20 import org.opendaylight.yangtools.yang.common.RpcError;
  21 import org.opendaylight.yangtools.yang.common.RpcResult;
  22 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  23
  24 abstract class AbstractRequestCallback<T> implements FutureCallback<OfHeader> {
  25     private final RequestContext<T> context;
  26     private final Class<?> requestType;
  27     private final MessageSpy spy;
  28
  29     protected AbstractRequestCallback(final RequestContext<T> context, final Class<?> requestType, final MessageSpy spy) {
  30         this.context = Preconditions.checkNotNull(context);
  31         this.requestType = Preconditions.checkNotNull(requestType);
  32         this.spy = Preconditions.checkNotNull(spy);
  33     }
  34
  35     protected final void setResult(@Nullable final RpcResult<T> result) {
  36         context.setResult(result);
  37         context.close();
  38     }
  39
  40     protected final void spyMessage(@Nonnull final STATISTIC_GROUP group) {
  41         spy.spyMessage(requestType, Preconditions.checkNotNull(group));
  42     }
  43
  44     @Override
  45     public final void onFailure(final Throwable t) {
  46         final RpcResultBuilder<T> builder;
  47         if (t instanceof DeviceRequestFailedException) {
  48             final Error err = ((DeviceRequestFailedException) t).getError();
  49             final String errorString = String.format("Device reported error type %s code %s", err.getTypeString(), err.getCodeString());
  50
  51             builder = RpcResultBuilder.<T>failed().withError(RpcError.ErrorType.APPLICATION, errorString, t);
  52             spyMessage(MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_FAILURE);
  53         } else {
  54             builder = RpcResultBuilder.<T>failed().withError(RpcError.ErrorType.APPLICATION, t.getMessage(), t);
  55             spyMessage(MessageSpy.STATISTIC_GROUP.TO_SWITCH_SUBMIT_ERROR);
  56         }
  57
  58         context.setResult(builder.build());
  59         RequestContextUtil.closeRequstContext(context);
  60     }
  61 }