openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/rpc/RpcManagerImpl.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.rpc;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.base.Verify;
  13 import com.google.common.collect.Iterators;
  14 import java.util.Iterator;
  15 import java.util.Optional;
  16 import java.util.concurrent.ConcurrentHashMap;
  17 import java.util.concurrent.ConcurrentMap;
  18 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  19 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  20 import org.opendaylight.openflowplugin.api.openflow.OFPContext;
  21 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  22 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  23 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
  24 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
  25 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleService;
  26 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
  27 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcManager;
  28 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
  29 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class RpcManagerImpl implements RpcManager {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(RpcManagerImpl.class);
  36     private final RpcProviderRegistry rpcProviderRegistry;
  37     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
  38     private DeviceTerminationPhaseHandler deviceTerminationPhaseHandler;
  39     private final int maxRequestsQuota;
  40     private final ConcurrentMap<DeviceInfo, RpcContext> contexts = new ConcurrentHashMap<>();
  41     private boolean isStatisticsRpcEnabled;
  42     private final ExtensionConverterProvider extensionConverterProvider;
  43     private final ConvertorExecutor convertorExecutor;
  44     private final NotificationPublishService notificationPublishService;
  45
  46
  47     public RpcManagerImpl(
  48             final RpcProviderRegistry rpcProviderRegistry,
  49             final int quotaValue,
  50             final ExtensionConverterProvider extensionConverterProvider,
  51                 final ConvertorExecutor convertorExecutor,
  52             final NotificationPublishService notificationPublishService) {
  53         this.rpcProviderRegistry = rpcProviderRegistry;
  54         maxRequestsQuota = quotaValue;
  55         this.extensionConverterProvider = extensionConverterProvider;
  56         this.convertorExecutor = convertorExecutor;
  57         this.notificationPublishService = notificationPublishService;
  58     }
  59
  60     @Override
  61     public void setDeviceInitializationPhaseHandler(final DeviceInitializationPhaseHandler handler) {
  62         deviceInitPhaseHandler = handler;
  63     }
  64
  65     @Override
  66     public void onDeviceContextLevelUp(final DeviceInfo deviceInfo, final LifecycleService lifecycleService) throws Exception {
  67
  68         final DeviceContext deviceContext = Preconditions.checkNotNull(lifecycleService.getDeviceContext());
  69
  70         final RpcContext rpcContext = new RpcContextImpl(
  71                 deviceInfo,
  72                 rpcProviderRegistry,
  73                 deviceContext.getMessageSpy(),
  74                 maxRequestsQuota,
  75                 deviceInfo.getNodeInstanceIdentifier(),
  76                 deviceContext,
  77                 extensionConverterProvider,
  78                 convertorExecutor,
  79                 notificationPublishService);
  80
  81         Verify.verify(contexts.putIfAbsent(deviceInfo, rpcContext) == null, "RpcCtx still not closed for node {}", deviceInfo.getNodeId());
  82         lifecycleService.setRpcContext(rpcContext);
  83         lifecycleService.registerDeviceRemovedHandler(this);
  84         rpcContext.setStatisticsRpcEnabled(isStatisticsRpcEnabled);
  85
  86         // finish device initialization cycle back to DeviceManager
  87         deviceInitPhaseHandler.onDeviceContextLevelUp(deviceInfo, lifecycleService);
  88     }
  89
  90     @Override
  91     public void close() {
  92         for (final Iterator<RpcContext> iterator = Iterators.consumingIterator(contexts.values().iterator());
  93                 iterator.hasNext();) {
  94             iterator.next().close();
  95         }
  96     }
  97
  98     @Override
  99     public void onDeviceContextLevelDown(final DeviceInfo deviceInfo) {
 100         Optional.ofNullable(contexts.get(deviceInfo)).ifPresent(OFPContext::close);
 101         deviceTerminationPhaseHandler.onDeviceContextLevelDown(deviceInfo);
 102     }
 103
 104     @Override
 105     public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
 106         this.deviceTerminationPhaseHandler = handler;
 107     }
 108
 109     /**
 110      * This method is only for testing
 111      */
 112     @VisibleForTesting
 113     void addRecordToContexts(DeviceInfo deviceInfo, RpcContext rpcContexts) {
 114         if(!contexts.containsKey(deviceInfo)) {
 115             this.contexts.put(deviceInfo,rpcContexts);
 116         }
 117     }
 118
 119
 120     @Override
 121     public void setStatisticsRpcEnabled(boolean statisticsRpcEnabled) {
 122         isStatisticsRpcEnabled = statisticsRpcEnabled;
 123     }
 124
 125     @Override
 126     public void onDeviceRemoved(DeviceInfo deviceInfo) {
 127         contexts.remove(deviceInfo);
 128         LOG.debug("Rpc context removed for node {}", deviceInfo.getLOGValue());
 129     }
 130 }