openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/lifecycle/LifecycleServiceImpl.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 package org.opendaylight.openflowplugin.impl.lifecycle;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.Collection;
  15 import java.util.List;
  16 import java.util.Objects;
  17 import java.util.concurrent.ExecutionException;
  18 import javax.annotation.Nullable;
  19 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  20 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  21 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  22 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  23 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  24 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleService;
  25 import org.opendaylight.openflowplugin.api.openflow.role.RoleContext;
  26 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
  27 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class LifecycleServiceImpl implements LifecycleService {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(LifecycleServiceImpl.class);
  35
  36     private DeviceContext deviceContext;
  37     private RpcContext rpcContext;
  38     private RoleContext roleContext;
  39     private StatisticsContext statContext;
  40     private ClusterSingletonServiceRegistration registration;
  41
  42
  43     @Override
  44     public void instantiateServiceInstance() {
  45         try {
  46
  47             if (LOG.isDebugEnabled()) {
  48                 LOG.debug("Starting clustering MASTER services for node {}", this.deviceContext.getDeviceInfo().getNodeId().getValue());
  49                 LOG.debug("===============================================");
  50             }
  51
  52             if (connectionInterrupted()) {
  53                 return;
  54             }
  55
  56             LOG.info("Starting device context cluster services for node {}", getIdentifier());
  57             this.deviceContext.startupClusterServices();
  58
  59             if (connectionInterrupted()) {
  60                 return;
  61             }
  62
  63             LOG.info("Starting statistics context cluster services for node {}", getIdentifier());
  64             this.statContext.startupClusterServices();
  65
  66             if (connectionInterrupted()) {
  67                 return;
  68             }
  69
  70             LOG.info("Statistics initial gathering OK, submitting data for node {}", getIdentifier());
  71             this.deviceContext.initialSubmitTransaction();
  72
  73             if (connectionInterrupted()) {
  74                 return;
  75             }
  76
  77             LOG.info("Starting rpc context cluster services for node {}", getIdentifier());
  78             this.rpcContext.startupClusterServices();
  79
  80             if (connectionInterrupted()) {
  81                 return;
  82             }
  83
  84             LOG.info("Starting role context cluster services for node {}", getIdentifier());
  85             this.roleContext.startupClusterServices();
  86
  87             if (connectionInterrupted()) {
  88                 return;
  89             }
  90
  91             LOG.info("Caching flows IDs ...");
  92             fillDeviceFlowRegistry();
  93
  94         } catch (ExecutionException | InterruptedException e) {
  95             LOG.warn("Cluster service {} was unable to start.", this.getIdentifier());
  96             this.deviceContext.shutdownConnection();
  97         }
  98     }
  99
 100     private boolean connectionInterrupted() {
 101         if (this.deviceContext.getPrimaryConnectionContext().getConnectionState().equals(ConnectionContext.CONNECTION_STATE.RIP)) {
 102             LOG.warn("Node {} was disconnected, will stop starting MASTER services.", this.deviceContext.getDeviceInfo().getNodeId().getValue());
 103             return true;
 104         }
 105         return false;
 106     }
 107
 108     @Override
 109     public ListenableFuture<Void> closeServiceInstance() {
 110         roleContext.stopClusterServices();
 111         statContext.stopClusterServices();
 112         rpcContext.stopClusterServices();
 113         return deviceContext.stopClusterServices();
 114     }
 115
 116     @Override
 117     public ServiceGroupIdentifier getIdentifier() {
 118         return deviceContext.getServiceIdentifier();
 119     }
 120
 121
 122     @Override
 123     public void close() throws Exception {
 124         if (registration != null) {
 125             registration.close();
 126             registration = null;
 127         }
 128     }
 129
 130     @Override
 131     public void registerService(final ClusterSingletonServiceProvider singletonServiceProvider) {
 132         this.registration = singletonServiceProvider.registerClusterSingletonService(this);
 133     }
 134
 135     @Override
 136     public void setDeviceContext(final DeviceContext deviceContext) {
 137         this.deviceContext = deviceContext;
 138     }
 139
 140     @Override
 141     public void setRpcContext(final RpcContext rpcContext) {
 142         this.rpcContext = rpcContext;
 143     }
 144
 145     @Override
 146     public void setRoleContext(final RoleContext roleContext) {
 147         this.roleContext = roleContext;
 148     }
 149
 150     @Override
 151     public void setStatContext(final StatisticsContext statContext) {
 152         this.statContext = statContext;
 153     }
 154
 155     @Override
 156     public DeviceContext getDeviceContext() {
 157         return this.deviceContext;
 158     }
 159
 160     @Override
 161     public void closeConnection() {
 162         this.deviceContext.shutdownConnection();
 163     }
 164
 165     private void fillDeviceFlowRegistry() {
 166         // Fill device flow registry with flows from datastore
 167         final ListenableFuture<List<Optional<FlowCapableNode>>> deviceFlowRegistryFill = deviceContext.getDeviceFlowRegistry().fill();
 168
 169         // Start statistics scheduling only after we finished initializing device flow registry
 170         Futures.addCallback(deviceFlowRegistryFill, new FutureCallback<List<Optional<FlowCapableNode>>>() {
 171             @Override
 172             public void onSuccess(@Nullable List<Optional<FlowCapableNode>> result) {
 173                 if (LOG.isDebugEnabled()) {
 174                     // Count all flows we read from datastore for debugging purposes.
 175                     // This number do not always represent how many flows were actually added
 176                     // to DeviceFlowRegistry, because of possible duplicates.
 177                     long flowCount = Optional.fromNullable(result).asSet().stream()
 178                             .flatMap(Collection::stream)
 179                             .filter(Objects::nonNull)
 180                             .flatMap(flowCapableNodeOptional -> flowCapableNodeOptional.asSet().stream())
 181                             .filter(Objects::nonNull)
 182                             .filter(flowCapableNode -> Objects.nonNull(flowCapableNode.getTable()))
 183                             .flatMap(flowCapableNode -> flowCapableNode.getTable().stream())
 184                             .filter(Objects::nonNull)
 185                             .filter(table -> Objects.nonNull(table.getFlow()))
 186                             .flatMap(table -> table.getFlow().stream())
 187                             .filter(Objects::nonNull)
 188                             .count();
 189
 190                     LOG.debug("Finished filling flow registry with {} flows for node: {}", flowCount, getIdentifier());
 191                 }
 192             }
 193
 194             @Override
 195             public void onFailure(Throwable t) {
 196                 if (deviceFlowRegistryFill.isCancelled()) {
 197                     LOG.debug("Cancelled filling flow registry with flows for node: {}", getIdentifier());
 198                 } else {
 199                     LOG.warn("Failed filling flow registry with flows for node: {} with exception: {}", getIdentifier(), t);
 200                 }
 201             }
 202         });
 203     }
 204
 205 }