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.concurrent.ConcurrentHashMap;
  16 import java.util.concurrent.ConcurrentMap;
  17 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  18 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  19 import org.opendaylight.openflowplugin.api.openflow.OFPContext;
  20 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  21 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  22 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
  23 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
  24 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleService;
  25 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
  26 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcManager;
  27 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
  28 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class RpcManagerImpl implements RpcManager {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(RpcManagerImpl.class);
  35     private final RpcProviderRegistry rpcProviderRegistry;
  36     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
  37     private DeviceTerminationPhaseHandler deviceTerminPhaseHandler;
  38     private final int maxRequestsQuota;
  39     private final ConcurrentMap<DeviceInfo, RpcContext> contexts = new ConcurrentHashMap<>();
  40     private boolean isStatisticsRpcEnabled;
  41     private final ExtensionConverterProvider extensionConverterProvider;
  42     private final ConvertorExecutor convertorExecutor;
  43     private final NotificationPublishService notificationPublishService;
  44
  45
  46     public RpcManagerImpl(
  47             final RpcProviderRegistry rpcProviderRegistry,
  48             final int quotaValue,
  49             final ExtensionConverterProvider extensionConverterProvider,
  50                 final ConvertorExecutor convertorExecutor,
  51             final NotificationPublishService notificationPublishService) {
  52         this.rpcProviderRegistry = rpcProviderRegistry;
  53         maxRequestsQuota = quotaValue;
  54         this.extensionConverterProvider = extensionConverterProvider;
  55         this.convertorExecutor = convertorExecutor;
  56         this.notificationPublishService = notificationPublishService;
  57     }
  58
  59     @Override
  60     public void setDeviceInitializationPhaseHandler(final DeviceInitializationPhaseHandler handler) {
  61         deviceInitPhaseHandler = handler;
  62     }
  63
  64     @Override
  65     public void onDeviceContextLevelUp(final DeviceInfo deviceInfo, final LifecycleService lifecycleService) throws Exception {
  66
  67         final DeviceContext deviceContext = Preconditions.checkNotNull(lifecycleService.getDeviceContext());
  68
  69         final RpcContext rpcContext = new RpcContextImpl(
  70                 deviceInfo,
  71                 rpcProviderRegistry,
  72                 deviceContext.getMessageSpy(),
  73                 maxRequestsQuota,
  74                 deviceInfo.getNodeInstanceIdentifier(),
  75                 deviceContext,
  76                 extensionConverterProvider,
  77                 convertorExecutor,
  78                 notificationPublishService);
  79
  80         Verify.verify(contexts.putIfAbsent(deviceInfo, rpcContext) == null, "RpcCtx still not closed for node {}", deviceInfo.getNodeId());
  81         lifecycleService.setRpcContext(rpcContext);
  82         rpcContext.setStatisticsRpcEnabled(isStatisticsRpcEnabled);
  83
  84         // finish device initialization cycle back to DeviceManager
  85         deviceInitPhaseHandler.onDeviceContextLevelUp(deviceInfo, lifecycleService);
  86     }
  87
  88     @Override
  89     public void close() {
  90         for (final Iterator<RpcContext> iterator = Iterators.consumingIterator(contexts.values().iterator());
  91                 iterator.hasNext();) {
  92             iterator.next().close();
  93         }
  94     }
  95
  96     @Override
  97     public void onDeviceContextLevelDown(final DeviceInfo deviceInfo) {
  98         final RpcContext removedContext = contexts.remove(deviceInfo);
  99         if (removedContext != null) {
 100             LOG.debug("Unregister RPCs services for  node {}", deviceInfo.getLOGValue());
 101             removedContext.close();
 102         }
 103         deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
 104     }
 105
 106     @Override
 107     public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
 108         this.deviceTerminPhaseHandler = handler;
 109     }
 110
 111     /**
 112      * This method is only for testing
 113      */
 114     @VisibleForTesting
 115     void addRecordToContexts(DeviceInfo deviceInfo, RpcContext rpcContexts) {
 116         if(!contexts.containsKey(deviceInfo)) {
 117             this.contexts.put(deviceInfo,rpcContexts);
 118         }
 119     }
 120
 121     @Override
 122     public <T extends OFPContext> T gainContext(DeviceInfo deviceInfo) {
 123         return (T) contexts.get(deviceInfo);
 124     }
 125
 126
 127     @Override
 128     public void setStatisticsRpcEnabled(boolean statisticsRpcEnabled) {
 129         isStatisticsRpcEnabled = statisticsRpcEnabled;
 130     }
 131 }