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