opendaylight/md-sal/compatibility/flow-management-compatibility/src/main/java/org/opendaylight/controller/md/frm/compatibility/FRMRuntimeDataProvider.xtend

   1 /*
   2  * Copyright (c) 2014 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.controller.md.frm.compatibility
   9
  10 import org.opendaylight.controller.sal.binding.api.data.RuntimeDataProvider
  11 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
  12 import org.opendaylight.yangtools.yang.binding.DataObject
  13 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler
  14 import org.opendaylight.controller.md.sal.common.api.data.DataModification
  15 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler.DataCommitTransaction
  16 import org.opendaylight.controller.sal.binding.api.data.DataProviderService
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.FlowKey
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.Flow
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.Flows
  20 import org.opendaylight.controller.md.sal.common.api.data.DataChangeListener
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.FlowsBuilder
  22 import org.opendaylight.controller.forwardingrulesmanager.IForwardingRulesManager
  23 import static com.google.common.base.Preconditions.*;
  24 import static extension org.opendaylight.controller.md.frm.compatibility.FlowConfigMapping.*;
  25 import static extension org.opendaylight.controller.sal.compatibility.NodeMapping.*;
  26 import org.opendaylight.controller.sal.common.util.Arguments
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.IdentifiableItem
  28 import org.opendaylight.yangtools.yang.common.RpcResult
  29 import org.opendaylight.controller.forwardingrulesmanager.FlowConfig
  30 import java.util.HashSet
  31 import org.opendaylight.controller.sal.common.util.Rpcs
  32 import java.util.Collections
  33 import org.opendaylight.yangtools.yang.common.RpcError
  34
  35 class FRMRuntimeDataProvider implements RuntimeDataProvider, DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject> {
  36
  37     static val FLOWS_PATH = InstanceIdentifier.builder(Flows).toInstance;
  38
  39     @Property
  40     var DataProviderService dataService;
  41
  42     @Property
  43     var DataChangeListener changeListener;
  44
  45     @Property
  46     var IForwardingRulesManager manager;
  47
  48     FlowManagementReader configuration = new ConfigurationReader();
  49
  50     def init() {
  51         //dataService.registerDataChangeListener(FLOWS_PATH, changeListener);
  52         dataService.registerCommitHandler(FLOWS_PATH, this);
  53     }
  54
  55     override readConfigurationData(InstanceIdentifier<? extends DataObject> path) {
  56         return readFrom(configuration, path);
  57     }
  58
  59     override DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path) {
  60         return readFrom(configuration, path);
  61     }
  62
  63     def DataObject readFrom(FlowManagementReader store, InstanceIdentifier<? extends DataObject> path) {
  64         if (FLOWS_PATH == path) {
  65             return store.readAllFlows();
  66         }
  67         if (FLOWS_PATH.contains(path)) {
  68             return store.readFlow(path.toFlowKey());
  69         }
  70         return null;
  71     }
  72
  73     override FlowCommitTransaction requestCommit(
  74         DataModification modification) {
  75         return new FlowCommitTransaction(this,modification);
  76     }
  77
  78     def toFlowKey(InstanceIdentifier<? extends DataObject> identifier) {
  79         checkNotNull(identifier)
  80         val item = Arguments.checkInstanceOf(identifier.path.get(1),IdentifiableItem);
  81         val key = Arguments.checkInstanceOf(item.key,FlowKey)
  82         return key;
  83     }
  84
  85     def RpcResult<Void> finish(FlowCommitTransaction transaction) {
  86         for(flw: transaction.toRemove) {
  87             manager.removeStaticFlow(flw.name,flw.node)
  88         }
  89
  90         for(flw: transaction.toUpdate) {
  91             manager.removeStaticFlow(flw.name,flw.node);
  92             manager.addStaticFlow(flw);
  93         }
  94
  95         return Rpcs.<Void>getRpcResult(true,null,Collections.<RpcError>emptySet())
  96     }
  97
  98     def RpcResult<Void> rollback(FlowCommitTransaction transaction) {
  99         // NOOP: We did not changed any state.
 100     }
 101
 102 }
 103
 104 class ConfigurationReader implements FlowManagementReader {
 105
 106     @Property
 107     var IForwardingRulesManager manager;
 108
 109     override Flows readAllFlows() {
 110         val it = new FlowsBuilder();
 111         flow = manager.staticFlows.map[
 112             toConfigurationFlow();
 113         ]
 114         return it.build();
 115     }
 116
 117     override readFlow(FlowKey key) {
 118         val flowCfg = manager.getStaticFlow(String.valueOf(key.id), key.node.toADNode());
 119         return flowCfg.toConfigurationFlow;
 120     }
 121 }
 122
 123 public static class FlowCommitTransaction implements DataCommitTransaction<InstanceIdentifier<? extends DataObject>, DataObject> {
 124
 125     @Property
 126     val DataModification<InstanceIdentifier<? extends DataObject>, DataObject> modification;
 127
 128     @Property
 129     val FRMRuntimeDataProvider flowManager;
 130
 131     @Property
 132     val toAdd = new HashSet<FlowConfig>();
 133
 134     @Property
 135     var Iterable<FlowConfig> toUpdate
 136
 137     @Property
 138     var Iterable<FlowConfig> toRemove
 139
 140
 141     new(FRMRuntimeDataProvider flowManager,DataModification<InstanceIdentifier<? extends DataObject>, DataObject> modification) {
 142         super();
 143         _flowManager = flowManager;
 144         _modification = modification;
 145         processModification();
 146     }
 147
 148     override finish() throws IllegalStateException {
 149         return flowManager.finish(this);
 150     }
 151
 152     override rollback() throws IllegalStateException
 153 {
 154         return flowManager.rollback(this);
 155     }
 156
 157     def processModification() {
 158         val updated = modification.updatedConfigurationData.entrySet;
 159
 160         val _toUpdate = updated.filter[key.isFlowPath].map[
 161              return (value as Flow).toFlowConfig
 162         ]
 163         toUpdate = _toUpdate as Iterable<FlowConfig>
 164
 165
 166         val _toRemove = modification.removedConfigurationData.filter[isFlowPath].map[
 167              toFlowConfig
 168         ]
 169         toRemove = _toRemove as Iterable<FlowConfig>
 170
 171     }
 172 }