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.concurrent.Future;
  11
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.rpc.ItemLifeCycleSource;
  18 import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  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.RpcResult;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import javax.annotation.Nullable;
  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) {
  50         this.deviceContext = deviceContext;
  51         addMeter = new MeterService<>(requestContextStack, deviceContext, AddMeterOutput.class);
  52         updateMeter = new MeterService<>(requestContextStack, deviceContext, UpdateMeterOutput.class);
  53         removeMeter = new MeterService<>(requestContextStack, deviceContext, RemoveMeterOutput.class);
  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.getDeviceContext().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                     LOG.debug("Meter add finished without error, id={}", input.getMeterId());
  72                     addIfNecessaryToDS(input.getMeterId(),input);
  73                 }
  74             }
  75
  76             @Override
  77             public void onFailure(Throwable t) {
  78                 LOG.error("Meter add failed for id={}. Exception {}", input.getMeterId(), t);
  79             }
  80         });
  81
  82         return resultFuture;
  83     }
  84
  85     @Override
  86     public Future<RpcResult<UpdateMeterOutput>> updateMeter(final UpdateMeterInput input) {
  87         final ListenableFuture<RpcResult<UpdateMeterOutput>> resultFuture = updateMeter.handleServiceCall(input.getUpdatedMeter());
  88
  89         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<UpdateMeterOutput>>() {
  90
  91             @Override
  92             public void onSuccess(@Nullable RpcResult<UpdateMeterOutput> result) {
  93                 if (result.isSuccessful()) {
  94                     LOG.debug("Meter update finished without error, id={}", input.getOriginalMeter().getMeterId());
  95                     if (itemLifecycleListener != null) {
  96                         removeIfNecessaryFromDS(input.getOriginalMeter().getMeterId());
  97                         addIfNecessaryToDS(input.getUpdatedMeter().getMeterId(),input.getUpdatedMeter());
  98                     }
  99                 }
 100             }
 101
 102             @Override
 103             public void onFailure(Throwable t) {
 104                 LOG.error("Meter update failed. for id={}. Exception {}.",input.getOriginalMeter().getMeterId(),t);
 105             }
 106         });
 107         return resultFuture;
 108     }
 109
 110     @Override
 111     public Future<RpcResult<RemoveMeterOutput>> removeMeter(final RemoveMeterInput input) {
 112         removeMeter.getDeviceContext().getDeviceMeterRegistry().markToBeremoved(input.getMeterId());
 113         final ListenableFuture<RpcResult<RemoveMeterOutput>> resultFuture = removeMeter.handleServiceCall(input);
 114         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<RemoveMeterOutput>>() {
 115
 116             @Override
 117             public void onSuccess(@Nullable RpcResult<RemoveMeterOutput> result) {
 118                 if (result.isSuccessful()) {
 119                     LOG.debug("Meter remove finished without error, id={}", input.getMeterId());
 120                     removeIfNecessaryFromDS(input.getMeterId());
 121                 }
 122             }
 123
 124             @Override
 125             public void onFailure(Throwable t) {
 126                 LOG.error("Meter remove failed for id={}. Exception {}",input.getMeterId(),t);
 127             }
 128         });
 129
 130         return resultFuture;
 131     }
 132
 133     private void removeIfNecessaryFromDS(final MeterId meterId) {
 134         if (itemLifecycleListener != null) {
 135             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> meterPath
 136                     = createMeterPath(meterId,
 137                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 138             itemLifecycleListener.onRemoved(meterPath);
 139         }
 140     }
 141
 142     private void addIfNecessaryToDS(final MeterId meterId, final Meter data) {
 143         if (itemLifecycleListener != null) {
 144             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> groupPath
 145                     = createMeterPath(meterId,
 146                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 147             itemLifecycleListener.onAdded(groupPath, new MeterBuilder(data).build());
 148         }
 149     }
 150
 151     static KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter, MeterKey> createMeterPath(final MeterId meterId, final KeyedInstanceIdentifier<Node, NodeKey> nodePath) {
 152         return nodePath.augmentation(FlowCapableNode.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter.class, new MeterKey(meterId));
 153     }
 154
 155 }