openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/SalMeterServiceImpl.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.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.Collection;
  14 import java.util.concurrent.Future;
  15 import javax.annotation.Nullable;
  16 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  17 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  18 import org.opendaylight.openflowplugin.api.openflow.rpc.ItemLifeCycleSource;
  19 import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInput;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterOutput;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.SalMeterService;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterOutput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterId;
  35 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.common.RpcError;
  37 import org.opendaylight.yangtools.yang.common.RpcResult;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 public class SalMeterServiceImpl implements SalMeterService, ItemLifeCycleSource {
  42     private static final Logger LOG = LoggerFactory.getLogger(SalMeterServiceImpl.class);
  43     private final MeterService<AddMeterInput, AddMeterOutput> addMeter;
  44     private final MeterService<Meter, UpdateMeterOutput> updateMeter;
  45     private final MeterService<RemoveMeterInput, RemoveMeterOutput> removeMeter;
  46     private ItemLifecycleListener itemLifecycleListener;
  47     private final DeviceContext deviceContext;
  48
  49     public SalMeterServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext, final ConvertorExecutor convertorExecutor) {
  50         this.deviceContext = deviceContext;
  51         addMeter = new MeterService<>(requestContextStack, deviceContext, AddMeterOutput.class, convertorExecutor);
  52         updateMeter = new MeterService<>(requestContextStack, deviceContext, UpdateMeterOutput.class, convertorExecutor);
  53         removeMeter = new MeterService<>(requestContextStack, deviceContext, RemoveMeterOutput.class, convertorExecutor);
  54     }
  55
  56     @Override
  57     public void setItemLifecycleListener(@Nullable ItemLifecycleListener itemLifecycleListener) {
  58         this.itemLifecycleListener = itemLifecycleListener;
  59     }
  60
  61     @Override
  62     public Future<RpcResult<AddMeterOutput>> addMeter(final AddMeterInput input) {
  63         addMeter.getDeviceRegistry().getDeviceMeterRegistry().store(input.getMeterId());
  64
  65         final ListenableFuture<RpcResult<AddMeterOutput>> resultFuture = addMeter.handleServiceCall(input);
  66         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<AddMeterOutput>>() {
  67
  68             @Override
  69             public void onSuccess(@Nullable RpcResult<AddMeterOutput> result) {
  70                 if (result.isSuccessful()) {
  71                     if(LOG.isDebugEnabled()) {
  72                         LOG.debug("Meter add finished without error, id={}", input.getMeterId());
  73                     }
  74                     addIfNecessaryToDS(input.getMeterId(),input);
  75                 }else{
  76                     LOG.error("Meter add with id {} failed with error {}", input.getMeterId(),
  77                             errorsToString(result.getErrors()));
  78                 }
  79             }
  80
  81             @Override
  82             public void onFailure(Throwable t) {
  83                 LOG.error("Meter add failed for id={}. Exception {}", input.getMeterId(), t);
  84             }
  85         });
  86
  87         return resultFuture;
  88     }
  89
  90     @Override
  91     public Future<RpcResult<UpdateMeterOutput>> updateMeter(final UpdateMeterInput input) {
  92         final ListenableFuture<RpcResult<UpdateMeterOutput>> resultFuture = updateMeter.handleServiceCall(input.getUpdatedMeter());
  93
  94         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<UpdateMeterOutput>>() {
  95
  96             @Override
  97             public void onSuccess(@Nullable RpcResult<UpdateMeterOutput> result) {
  98                 if (result.isSuccessful()) {
  99                     if(LOG.isDebugEnabled()) {
 100                         LOG.debug("Meter update finished without error, id={}", input.getOriginalMeter().getMeterId());
 101                     }
 102                     if (itemLifecycleListener != null) {
 103                         removeIfNecessaryFromDS(input.getOriginalMeter().getMeterId());
 104                         addIfNecessaryToDS(input.getUpdatedMeter().getMeterId(),input.getUpdatedMeter());
 105                     }
 106                 }else{
 107                     LOG.error("Meter update with id {} failed with error {}", input.getOriginalMeter().getMeterId(),
 108                             errorsToString(result.getErrors()));
 109                 }
 110             }
 111
 112             @Override
 113             public void onFailure(Throwable t) {
 114                 LOG.error("Service call for meter update failed. for id={}. Exception {}.",
 115                         input.getOriginalMeter().getMeterId(),t);
 116             }
 117         });
 118         return resultFuture;
 119     }
 120
 121     @Override
 122     public Future<RpcResult<RemoveMeterOutput>> removeMeter(final RemoveMeterInput input) {
 123         removeMeter.getDeviceRegistry().getDeviceMeterRegistry().markToBeremoved(input.getMeterId());
 124         final ListenableFuture<RpcResult<RemoveMeterOutput>> resultFuture = removeMeter.handleServiceCall(input);
 125         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<RemoveMeterOutput>>() {
 126
 127             @Override
 128             public void onSuccess(@Nullable RpcResult<RemoveMeterOutput> result) {
 129                 if (result.isSuccessful()) {
 130                     if(LOG.isDebugEnabled()) {
 131                         LOG.debug("Meter remove finished without error, id={}", input.getMeterId());
 132                     }
 133                     removeIfNecessaryFromDS(input.getMeterId());
 134                 }else{
 135                     LOG.error("Meter remove with id {} failed with error {}", input.getMeterId(),
 136                             errorsToString(result.getErrors()));
 137                 }
 138             }
 139
 140             @Override
 141             public void onFailure(Throwable t) {
 142                 LOG.error("Service call for meter remove failed for id={}. Exception {}",input.getMeterId(),t);
 143             }
 144         });
 145
 146         return resultFuture;
 147     }
 148
 149     private void removeIfNecessaryFromDS(final MeterId meterId) {
 150         if (itemLifecycleListener != null) {
 151             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> meterPath
 152                     = createMeterPath(meterId,
 153                     deviceContext.getDeviceInfo().getNodeInstanceIdentifier());
 154             itemLifecycleListener.onRemoved(meterPath);
 155         }
 156     }
 157
 158     private void addIfNecessaryToDS(final MeterId meterId, final Meter data) {
 159         if (itemLifecycleListener != null) {
 160             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> groupPath
 161                     = createMeterPath(meterId,
 162                     deviceContext.getDeviceInfo().getNodeInstanceIdentifier());
 163             itemLifecycleListener.onAdded(groupPath, new MeterBuilder(data).build());
 164         }
 165     }
 166
 167     static KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> createMeterPath(final MeterId meterId, final KeyedInstanceIdentifier<Node, NodeKey> nodePath) {
 168         return nodePath.augmentation(FlowCapableNode.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter.class, new MeterKey(meterId));
 169     }
 170
 171     private final String errorsToString(final Collection<RpcError> rpcErrors) {
 172         final StringBuilder errors = new StringBuilder();
 173         if ((null != rpcErrors) && (rpcErrors.size() > 0)) {
 174             for (final RpcError rpcError : rpcErrors) {
 175                 errors.append(rpcError.getMessage());
 176             }
 177         }
 178         return errors.toString();
 179     }
 180 }