renderers/vpp/src/main/java/org/opendaylight/controller/config/yang/config/vpp_provider/impl/VppRenderer.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.controller.config.yang.config.vpp_provider.impl;
  10
  11 import java.util.List;
  12 import java.util.concurrent.ExecutorService;
  13 import java.util.concurrent.Executors;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  21 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  22 import org.opendaylight.groupbasedpolicy.renderer.vpp.iface.InterfaceManager;
  23 import org.opendaylight.groupbasedpolicy.renderer.vpp.listener.RendererPolicyListener;
  24 import org.opendaylight.groupbasedpolicy.renderer.vpp.listener.VppEndpointListener;
  25 import org.opendaylight.groupbasedpolicy.renderer.vpp.listener.VppNodeListener;
  26 import org.opendaylight.groupbasedpolicy.renderer.vpp.manager.VppNodeManager;
  27 import org.opendaylight.groupbasedpolicy.renderer.vpp.policy.BridgeDomainManagerImpl;
  28 import org.opendaylight.groupbasedpolicy.renderer.vpp.policy.ForwardingManager;
  29 import org.opendaylight.groupbasedpolicy.renderer.vpp.policy.VppRendererPolicyManager;
  30 import org.opendaylight.groupbasedpolicy.renderer.vpp.sf.AllowAction;
  31 import org.opendaylight.groupbasedpolicy.renderer.vpp.sf.EtherTypeClassifier;
  32 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.MountedDataBrokerProvider;
  33 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppIidFactory;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.RendererName;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.Renderer;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.RendererBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.RendererKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.CapabilitiesBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererNodesBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedActionDefinition;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedActionDefinitionBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedClassifierDefinition;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.capabilities.SupportedClassifierDefinitionBuilder;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 import com.google.common.base.Preconditions;
  48 import com.google.common.collect.ImmutableList;
  49 import com.google.common.eventbus.EventBus;
  50 import com.google.common.util.concurrent.CheckedFuture;
  51 import com.google.common.util.concurrent.FutureCallback;
  52 import com.google.common.util.concurrent.Futures;
  53 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  54
  55 public class VppRenderer implements AutoCloseable, BindingAwareProvider {
  56
  57     private static final Logger LOG = LoggerFactory.getLogger(VppRenderer.class);
  58
  59     public static final RendererName NAME = new RendererName("vpp-renderer");
  60     /**
  61      * Should be used for processing netconf responses so we do not consume netty thread.
  62      */
  63     private static final ExecutorService NETCONF_WORKER = Executors.newSingleThreadExecutor(
  64             new ThreadFactoryBuilder().setNameFormat("netconf-processing-worker-%d").setDaemon(true).build());
  65
  66     private final List<SupportedActionDefinition> actionDefinitions =
  67             ImmutableList.of(new SupportedActionDefinitionBuilder().setActionDefinitionId(new AllowAction().getId())
  68                 .setSupportedParameterValues(new AllowAction().getSupportedParameterValues())
  69                 .build());
  70     private final List<SupportedClassifierDefinition> classifierDefinitions = ImmutableList
  71         .of(new SupportedClassifierDefinitionBuilder().setClassifierDefinitionId(new EtherTypeClassifier(null).getId())
  72             .setSupportedParameterValues(new EtherTypeClassifier(null).getSupportedParameterValues())
  73             .build());
  74
  75     private final DataBroker dataBroker;
  76
  77     private VppNodeManager vppNodeManager;
  78     private InterfaceManager interfaceManager;
  79     private VppRendererPolicyManager vppRendererPolicyManager;
  80
  81     private VppNodeListener vppNodeListener;
  82     private VppEndpointListener vppEndpointListener;
  83     private RendererPolicyListener rendererPolicyListener;
  84
  85     public VppRenderer(DataBroker dataBroker, BindingAwareBroker bindingAwareBroker) {
  86         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  87         bindingAwareBroker.registerProvider(this);
  88     }
  89
  90     @Override
  91     public void close() throws Exception {
  92         LOG.info("Closing Vpp renderer");
  93         if (vppNodeListener != null) {
  94             vppNodeListener.close();
  95         }
  96         if (vppEndpointListener != null) {
  97             vppEndpointListener.close();
  98         }
  99         if (rendererPolicyListener != null) {
 100             rendererPolicyListener.close();
 101         }
 102         if (interfaceManager != null) {
 103             interfaceManager.close();
 104         }
 105         unregisterFromRendererManager();
 106     }
 107
 108     @Override
 109     public void onSessionInitiated(BindingAwareBroker.ProviderContext providerContext) {
 110         LOG.info("starting vpp renderer");
 111
 112         MountPointService mountService =
 113                 Preconditions.checkNotNull(providerContext.getSALService(MountPointService.class));
 114         MountedDataBrokerProvider mountDataProvider = new MountedDataBrokerProvider(mountService, dataBroker);
 115         vppNodeManager = new VppNodeManager(dataBroker, providerContext);
 116
 117         EventBus dtoEventBus = new EventBus((exception, context) -> LOG.error("Could not dispatch event: {} to {}",
 118                 context.getSubscriber(), context.getSubscriberMethod(), exception));
 119         interfaceManager = new InterfaceManager(mountDataProvider, dataBroker, NETCONF_WORKER);
 120         dtoEventBus.register(interfaceManager);
 121         ForwardingManager fwManager = new ForwardingManager(interfaceManager, new BridgeDomainManagerImpl(dataBroker), dataBroker);
 122         vppRendererPolicyManager = new VppRendererPolicyManager(fwManager, dataBroker);
 123         dtoEventBus.register(vppRendererPolicyManager);
 124
 125         vppNodeListener = new VppNodeListener(dataBroker, vppNodeManager, dtoEventBus);
 126         vppEndpointListener = new VppEndpointListener(dataBroker, dtoEventBus);
 127         rendererPolicyListener = new RendererPolicyListener(dataBroker, dtoEventBus);
 128
 129         registerToRendererManager();
 130     }
 131
 132     private void registerToRendererManager() {
 133         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
 134
 135         Renderer renderer = new RendererBuilder().setName(VppRenderer.NAME)
 136             .setRendererNodes(new RendererNodesBuilder().build())
 137             .setCapabilities(new CapabilitiesBuilder().setSupportedActionDefinition(actionDefinitions)
 138                 .setSupportedClassifierDefinition(classifierDefinitions)
 139                 .build())
 140             .build();
 141
 142         writeTransaction.put(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererIID(renderer.getKey()),
 143                 renderer, true);
 144         CheckedFuture<Void, TransactionCommitFailedException> future = writeTransaction.submit();
 145         Futures.addCallback(future, new FutureCallback<Void>() {
 146
 147             @Override
 148             public void onFailure(Throwable throwable) {
 149                 LOG.error("Could not register renderer {}: {}", renderer, throwable);
 150             }
 151
 152             @Override
 153             public void onSuccess(Void result) {
 154                 LOG.debug("Renderer {} successfully registered.", renderer);
 155             }
 156         });
 157     }
 158
 159     private void unregisterFromRendererManager() {
 160         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
 161         writeTransaction.delete(LogicalDatastoreType.OPERATIONAL,
 162                 VppIidFactory.getRendererIID(new RendererKey(VppRenderer.NAME)));
 163
 164         CheckedFuture<Void, TransactionCommitFailedException> future = writeTransaction.submit();
 165         Futures.addCallback(future, new FutureCallback<Void>() {
 166
 167             @Override
 168             public void onFailure(Throwable throwable) {
 169                 LOG.error("Could not unregister renderer {}: {}", VppRenderer.NAME, throwable);
 170             }
 171
 172             @Override
 173             public void onSuccess(Void result) {
 174                 LOG.debug("Renderer {} successfully unregistered.", VppRenderer.NAME);
 175             }
 176         });
 177     }
 178 }