openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/SalGroupServiceImpl.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.group.service.rev130918.AddGroupInput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupOutput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.SalGroupService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Group;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  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 SalGroupServiceImpl implements SalGroupService, ItemLifeCycleSource {
  41     private static final Logger LOG = LoggerFactory.getLogger(SalGroupServiceImpl.class);
  42     private final GroupService<AddGroupInput, AddGroupOutput> addGroup;
  43     private final GroupService<Group, UpdateGroupOutput> updateGroup;
  44     private final GroupService<RemoveGroupInput, RemoveGroupOutput> removeGroup;
  45     private final DeviceContext deviceContext;
  46     private ItemLifecycleListener itemLifecycleListener;
  47
  48     public SalGroupServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  49         this.deviceContext = deviceContext;
  50         addGroup = new GroupService<>(requestContextStack, deviceContext, AddGroupOutput.class);
  51         updateGroup = new GroupService<>(requestContextStack, deviceContext, UpdateGroupOutput.class);
  52         removeGroup = new GroupService<>(requestContextStack, deviceContext, RemoveGroupOutput.class);
  53     }
  54
  55     @Override
  56     public void setItemLifecycleListener(@Nullable ItemLifecycleListener itemLifecycleListener) {
  57         this.itemLifecycleListener = itemLifecycleListener;
  58     }
  59
  60     @Override
  61     public Future<RpcResult<AddGroupOutput>> addGroup(final AddGroupInput input) {
  62         addGroup.getDeviceContext().getDeviceGroupRegistry().store(input.getGroupId());
  63         final ListenableFuture<RpcResult<AddGroupOutput>> resultFuture = addGroup.handleServiceCall(input);
  64         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<AddGroupOutput>>() {
  65             @Override
  66             public void onSuccess(RpcResult<AddGroupOutput> result) {
  67                 if (result.isSuccessful()) {
  68                     if(LOG.isDebugEnabled()) {
  69                         LOG.debug("group add with id={} finished without error", input.getGroupId().getValue());
  70                     }
  71                     addIfNecessaryToDS(input.getGroupId(), input);
  72                 } else {
  73                 LOG.error("group add with id={} failed, errors={}", input.getGroupId().getValue(),
  74                         errorsToString(result.getErrors()));
  75                  }
  76             }
  77
  78             @Override
  79             public void onFailure(Throwable t) {
  80                 LOG.error("Service call for group add failed for id={}. Exception: {}",
  81                         input.getGroupId().getValue(), t);
  82             }
  83         });
  84
  85         return resultFuture;
  86     }
  87
  88
  89     @Override
  90     public Future<RpcResult<UpdateGroupOutput>> updateGroup(final UpdateGroupInput input) {
  91         final ListenableFuture<RpcResult<UpdateGroupOutput>> resultFuture = updateGroup.handleServiceCall(input.getUpdatedGroup());
  92         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<UpdateGroupOutput>>() {
  93             @Override
  94             public void onSuccess(@Nullable RpcResult<UpdateGroupOutput> result) {
  95                 if (result.isSuccessful()) {
  96                     if(LOG.isDebugEnabled()) {
  97                         LOG.debug("Group update for original id {} succeded", input.getOriginalGroup().getGroupId().getValue());
  98                     }
  99                     removeIfNecessaryFromDS(input.getOriginalGroup().getGroupId());
 100                     addIfNecessaryToDS(input.getUpdatedGroup().getGroupId(), input.getUpdatedGroup());
 101                 }else{
 102                     LOG.error("group update failed with id={}, errors={}", input.getOriginalGroup().getGroupId(),
 103                             errorsToString(result.getErrors()));
 104                 }
 105             }
 106
 107             @Override
 108             public void onFailure(Throwable t) {
 109                 LOG.error("Service call for group  update failed for id={}. Exception: {}",
 110                         input.getOriginalGroup().getGroupId(), t);
 111             }
 112         });
 113         return resultFuture;
 114     }
 115
 116     @Override
 117     public Future<RpcResult<RemoveGroupOutput>> removeGroup(final RemoveGroupInput input) {
 118         removeGroup.getDeviceContext().getDeviceGroupRegistry().markToBeremoved(input.getGroupId());
 119         final ListenableFuture<RpcResult<RemoveGroupOutput>> resultFuture = removeGroup.handleServiceCall(input);
 120         Futures.addCallback(resultFuture, new FutureCallback<RpcResult<RemoveGroupOutput>>() {
 121             @Override
 122             public void onSuccess(@Nullable RpcResult<RemoveGroupOutput> result) {
 123                 if (result.isSuccessful()) {
 124                     if(LOG.isDebugEnabled()) {
 125                         LOG.debug("Group remove for id {} succeded", input.getGroupId().getValue());
 126                     }
 127                     removeIfNecessaryFromDS(input.getGroupId());
 128                 }else{
 129                     LOG.error("group remove failed with id={}, errors={}", input.getGroupId().getValue(),
 130                             errorsToString(result.getErrors()));
 131                 }
 132             }
 133
 134             @Override
 135             public void onFailure(Throwable t) {
 136                 LOG.error("Service call for group remove failed for id={}. Exception: {}",
 137                         input.getGroupId().getValue(), t);
 138             }
 139         });
 140         return resultFuture;
 141     }
 142
 143     private void removeIfNecessaryFromDS(final GroupId groupId) {
 144         if (itemLifecycleListener != null) {
 145             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group, GroupKey> groupPath
 146                     = createGroupPath(groupId,
 147                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 148             itemLifecycleListener.onRemoved(groupPath);
 149         }
 150     }
 151
 152     private void addIfNecessaryToDS(final GroupId groupId, final Group data) {
 153         if (itemLifecycleListener != null) {
 154             KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group, GroupKey> groupPath
 155                     = createGroupPath(groupId,
 156                     deviceContext.getDeviceState().getNodeInstanceIdentifier());
 157             itemLifecycleListener.onAdded(groupPath, new GroupBuilder(data).build());
 158         }
 159     }
 160
 161     static KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group, GroupKey>
 162     createGroupPath(final GroupId groupId, final KeyedInstanceIdentifier<Node, NodeKey> nodePath) {
 163         return nodePath.augmentation(FlowCapableNode.class).
 164                 child(org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group.class, new GroupKey(groupId));
 165     }
 166
 167     private final String errorsToString(final Collection<RpcError> rpcErrors) {
 168         final StringBuilder errors = new StringBuilder();
 169         if ((null != rpcErrors) && (rpcErrors.size() > 0)) {
 170             for (final RpcError rpcError : rpcErrors) {
 171                 errors.append(rpcError.getMessage());
 172             }
 173         }
 174         return errors.toString();
 175     }
 176 }