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 java.util.Collection;
  11 import java.util.concurrent.Future;
  12
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import com.google.common.util.concurrent.Futures;
  15 import com.google.common.util.concurrent.ListenableFuture;
  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.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  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 import javax.annotation.Nullable;
  42
  43 public class SalMeterServiceImpl implements SalMeterService, ItemLifeCycleSource {
  44     private static final Logger LOG = LoggerFactory.getLogger(SalMeterServiceImpl.class);
  45     private final MeterService<AddMeterInput, AddMeterOutput> addMeter;
  46     private final MeterService<Meter, UpdateMeterOutput> updateMeter;
  47     private final MeterService<RemoveMeterInput, RemoveMeterOutput> removeMeter;
  48     private ItemLifecycleListener itemLifecycleListener;
  49     private final DeviceContext deviceContext;
  50
  51     public SalMeterServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  52         this.deviceContext = deviceContext;
  53         addMeter = new MeterService<>(requestContextStack, deviceContext, AddMeterOutput.class);
  54         updateMeter = new MeterService<>(requestContextStack, deviceContext, UpdateMeterOutput.class);
  55         removeMeter = new MeterService<>(requestContextStack, deviceContext, RemoveMeterOutput.class);
  56     }
  57
  58     @Override
  59     public void setItemLifecycleListener(@Nullable ItemLifecycleListener itemLifecycleListener) {
  60         this.itemLifecycleListener = itemLifecycleListener;
  61     }
  62
  63     @Override
  64     public Future<RpcResult<AddMeterOutput>> addMeter(final AddMeterInput input) {
  65         addMeter.getDeviceContext().getDeviceMeterRegistry().store(input.getMeterId());
  66
  67         final ListenableFuture<RpcResult<AddMeterOutput>> resultFuture = addMeter.handleServiceCall(input);
  68         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<AddMeterOutput>>() {
  69
  70             @Override
  71             public void onSuccess(@Nullable RpcResult<AddMeterOutput> result) {
  72                 if (result.isSuccessful()) {
  73                     if(LOG.isDebugEnabled()) {
  74                         LOG.debug("Meter add finished without error, id={}", input.getMeterId());
  75                     }
  76                     addIfNecessaryToDS(input.getMeterId(),input);
  77                 }else{
  78                     LOG.error("Meter add with id {} failed with error {}", input.getMeterId(),
  79                             errorsToString(result.getErrors()));
  80                 }
  81             }
  82
  83             @Override
  84             public void onFailure(Throwable t) {
  85                 LOG.error("Meter add failed for id={}. Exception {}", input.getMeterId(), t);
  86             }
  87         });
  88
  89         return resultFuture;
  90     }
  91
  92     @Override
  93     public Future<RpcResult<UpdateMeterOutput>> updateMeter(final UpdateMeterInput input) {
  94         final ListenableFuture<RpcResult<UpdateMeterOutput>> resultFuture = updateMeter.handleServiceCall(input.getUpdatedMeter());
  95
  96         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<UpdateMeterOutput>>() {
  97
  98             @Override
  99             public void onSuccess(@Nullable RpcResult<UpdateMeterOutput> result) {
 100                 if (result.isSuccessful()) {
 101                     if(LOG.isDebugEnabled()) {
 102                         LOG.debug("Meter update finished without error, id={}", input.getOriginalMeter().getMeterId());
 103                     }
 104                     if (itemLifecycleListener != null) {
 105                         removeIfNecessaryFromDS(input.getOriginalMeter().getMeterId());
 106                         addIfNecessaryToDS(input.getUpdatedMeter().getMeterId(),input.getUpdatedMeter());
 107                     }
 108                 }else{
 109                     LOG.error("Meter update with id {} failed with error {}", input.getOriginalMeter().getMeterId(),
 110                             errorsToString(result.getErrors()));
 111                 }
 112             }
 113
 114             @Override
 115             public void onFailure(Throwable t) {
 116                 LOG.error("Service call for meter update failed. for id={}. Exception {}.",
 117                         input.getOriginalMeter().getMeterId(),t);
 118             }
 119         });
 120         return resultFuture;
 121     }
 122
 123     @Override
 124     public Future<RpcResult<RemoveMeterOutput>> removeMeter(final RemoveMeterInput input) {
 125         removeMeter.getDeviceContext().getDeviceMeterRegistry().markToBeremoved(input.getMeterId());
 126         final ListenableFuture<RpcResult<RemoveMeterOutput>> resultFuture = removeMeter.handleServiceCall(input);
 127         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<RemoveMeterOutput>>() {
 128
 129             @Override
 130             public void onSuccess(@Nullable RpcResult<RemoveMeterOutput> result) {
 131                 if (result.isSuccessful()) {
 132                     if(LOG.isDebugEnabled()) {
 133                         LOG.debug("Meter remove finished without error, id={}", input.getMeterId());
 134                     }
 135                     removeIfNecessaryFromDS(input.getMeterId());
 136                 }else{
 137                     LOG.error("Meter remove with id {} failed with error {}", input.getMeterId(),
 138                             errorsToString(result.getErrors()));
 139                 }
 140             }
 141
 142             @Override
 143             public void onFailure(Throwable t) {
 144                 LOG.error("Service call for meter remove failed for id={}. Exception {}",input.getMeterId(),t);
 145             }
 146         });
 147
 148         return resultFuture;
 149     }
 150
 151     private void removeIfNecessaryFromDS(final MeterId meterId) {
 152         if (itemLifecycleListener != null) {
 153             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> meterPath
 154                     = createMeterPath(meterId,
 155                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 156             itemLifecycleListener.onRemoved(meterPath);
 157         }
 158     }
 159
 160     private void addIfNecessaryToDS(final MeterId meterId, final Meter data) {
 161         if (itemLifecycleListener != null) {
 162             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> groupPath
 163                     = createMeterPath(meterId,
 164                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 165             itemLifecycleListener.onAdded(groupPath, new MeterBuilder(data).build());
 166         }
 167     }
 168
 169     static KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> createMeterPath(final MeterId meterId, final KeyedInstanceIdentifier<Node, NodeKey> nodePath) {
 170         return nodePath.augmentation(FlowCapableNode.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter.class, new MeterKey(meterId));
 171     }
 172
 173     private final String errorsToString(final Collection<RpcError> rpcErrors) {
 174         final StringBuilder errors = new StringBuilder();
 175         if ((null != rpcErrors) && (rpcErrors.size() > 0)) {
 176             for (final RpcError rpcError : rpcErrors) {
 177                 errors.append(rpcError.getMessage());
 178             }
 179         }
 180         return errors.toString();
 181     }
 182 }