Revert "WIP: Bump upstreams"
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / rpc / RpcContextImpl.java
index 2c3db2a49820223f3427807913c262ffa726aa86..3ac23e840cd720070dbf5f4cb6d10291ea9de22b 100644 (file)
@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -8,63 +8,64 @@
 package org.opendaylight.openflowplugin.impl.rpc;
 
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Function;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterators;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import java.util.Iterator;
 import java.util.Map.Entry;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Semaphore;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
-import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.mdsal.binding.api.NotificationPublishService;
+import org.opendaylight.mdsal.binding.api.RpcProviderService;
 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
-import org.opendaylight.openflowplugin.api.openflow.lifecycle.MastershipChangeListener;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.ContextChainMastershipState;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.ContextChainMastershipWatcher;
 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageSpy;
 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
 import org.opendaylight.openflowplugin.impl.util.MdSalRegistrationUtils;
 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeContext;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
+import org.opendaylight.yangtools.concepts.ObjectRegistration;
 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.RpcService;
+import org.opendaylight.yangtools.yang.common.Uint32;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 class RpcContextImpl implements RpcContext {
     private static final Logger LOG = LoggerFactory.getLogger(RpcContextImpl.class);
-    private final RpcProviderRegistry rpcProviderRegistry;
+    private final RpcProviderService rpcProviderRegistry;
     private final MessageSpy messageSpy;
     private final Semaphore tracker;
-    private boolean isStatisticsRpcEnabled;
+    private final boolean isStatisticsRpcEnabled;
 
     // TODO: add private Sal salBroker
-    private final ConcurrentMap<Class<?>, RoutedRpcRegistration<?>> rpcRegistrations = new ConcurrentHashMap<>();
+    private final ConcurrentMap<Class<?>, ObjectRegistration<? extends RpcService>> rpcRegistrations =
+            new ConcurrentHashMap<>();
     private final KeyedInstanceIdentifier<Node, NodeKey> nodeInstanceIdentifier;
-    private volatile CONTEXT_STATE state = CONTEXT_STATE.INITIALIZATION;
     private final DeviceInfo deviceInfo;
     private final DeviceContext deviceContext;
     private final ExtensionConverterProvider extensionConverterProvider;
     private final ConvertorExecutor convertorExecutor;
     private final NotificationPublishService notificationPublishService;
+    private ContextChainMastershipWatcher contextChainMastershipWatcher;
 
-    RpcContextImpl(@Nonnull final RpcProviderRegistry rpcProviderRegistry,
+    RpcContextImpl(@NonNull final RpcProviderService rpcProviderRegistry,
                    final int maxRequests,
-                   @Nonnull final DeviceContext deviceContext,
-                   @Nonnull final ExtensionConverterProvider extensionConverterProvider,
-                   @Nonnull final ConvertorExecutor convertorExecutor,
-                   @Nonnull final NotificationPublishService notificationPublishService,
-                   boolean statisticsRpcEnabled) {
+                   @NonNull final DeviceContext deviceContext,
+                   @NonNull final ExtensionConverterProvider extensionConverterProvider,
+                   @NonNull final ConvertorExecutor convertorExecutor,
+                   @NonNull final NotificationPublishService notificationPublishService,
+                   final boolean statisticsRpcEnabled) {
         this.deviceContext = deviceContext;
         this.deviceInfo = deviceContext.getDeviceInfo();
         this.nodeInstanceIdentifier = deviceContext.getDeviceInfo().getNodeInstanceIdentifier();
@@ -77,16 +78,12 @@ class RpcContextImpl implements RpcContext {
         this.tracker = new Semaphore(maxRequests, true);
     }
 
-    /**
-     * @see org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext#registerRpcServiceImplementation(java.lang.Class,
-     * org.opendaylight.yangtools.yang.binding.RpcService)
-     */
     @Override
     public <S extends RpcService> void registerRpcServiceImplementation(final Class<S> serviceClass,
                                                                         final S serviceInstance) {
-        if (! rpcRegistrations.containsKey(serviceClass)) {
-            final RoutedRpcRegistration<S> routedRpcReg = rpcProviderRegistry.addRoutedRpcImplementation(serviceClass, serviceInstance);
-            routedRpcReg.registerPath(NodeContext.class, nodeInstanceIdentifier);
+        if (!rpcRegistrations.containsKey(serviceClass)) {
+            final ObjectRegistration<S> routedRpcReg = rpcProviderRegistry.registerRpcImplementation(serviceClass,
+                serviceInstance, ImmutableSet.of(nodeInstanceIdentifier));
             rpcRegistrations.put(serviceClass, routedRpcReg);
             if (LOG.isDebugEnabled()) {
                 LOG.debug("Registration of service {} for device {}.",
@@ -98,19 +95,28 @@ class RpcContextImpl implements RpcContext {
 
     @Override
     public <S extends RpcService> S lookupRpcService(final Class<S> serviceClass) {
-        RoutedRpcRegistration<?> registration = rpcRegistrations.get(serviceClass);
+        ObjectRegistration<? extends RpcService> registration = rpcRegistrations.get(serviceClass);
         final RpcService rpcService = registration.getInstance();
-        return (S) rpcService;
+        return serviceClass.cast(rpcService);
     }
 
-    /**
-     * Unregisters all services.
-     *
-     * @see java.lang.AutoCloseable#close()
-     */
     @Override
     public void close() {
-        //NOOP
+        unregisterRPCs();
+    }
+
+    private void unregisterRPCs() {
+        for (final Iterator<Entry<Class<?>, ObjectRegistration<? extends RpcService>>> iterator = Iterators
+                .consumingIterator(rpcRegistrations.entrySet().iterator()); iterator.hasNext(); ) {
+            final ObjectRegistration<? extends RpcService> rpcRegistration = iterator.next().getValue();
+            rpcRegistration.close();
+
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Closing RPC Registration of service {} for device {}.",
+                        rpcRegistration.getInstance().getClass().getSimpleName(),
+                        nodeInstanceIdentifier.getKey().getId().getValue());
+            }
+        }
     }
 
     @Override
@@ -119,35 +125,37 @@ class RpcContextImpl implements RpcContext {
             LOG.trace("Device queue {} at capacity", this);
             return null;
         } else {
-            LOG.trace("Acquired semaphore for {}, available permits:{} ", nodeInstanceIdentifier.getKey().getId().getValue(), tracker.availablePermits());
+            LOG.trace("Acquired semaphore for {}, available permits:{} ",
+                    nodeInstanceIdentifier.getKey().getId().getValue(), tracker.availablePermits());
         }
 
-        final Long xid = deviceInfo.reserveXidForDeviceMessage();
+        final Uint32 xid = deviceInfo.reserveXidForDeviceMessage();
         if (xid == null) {
-            LOG.warn("Xid cannot be reserved for new RequestContext, node:{}", nodeInstanceIdentifier.getKey().getId().getValue());
+            LOG.warn("Xid cannot be reserved for new RequestContext, node:{}",
+                    nodeInstanceIdentifier.getKey().getId().getValue());
             tracker.release();
             return null;
         }
 
-        return new AbstractRequestContext<T>(xid) {
+        return new AbstractRequestContext<>(xid) {
             @Override
             public void close() {
                 tracker.release();
-                final long xid = getXid().getValue();
-                LOG.trace("Removed request context with xid {}", xid);
-                messageSpy.spyMessage(RpcContextImpl.class, MessageSpy.STATISTIC_GROUP.REQUEST_STACK_FREED);
+                LOG.trace("Removed request context with xid {}", getXid().getValue());
+                messageSpy.spyMessage(RpcContextImpl.class, MessageSpy.StatisticsGroup.REQUEST_STACK_FREED);
             }
         };
     }
 
     @Override
     public <S extends RpcService> void unregisterRpcServiceImplementation(final Class<S> serviceClass) {
-        LOG.trace("Try to unregister serviceClass {} for Node {}", serviceClass, nodeInstanceIdentifier.getKey().getId());
-        final RoutedRpcRegistration<?> rpcRegistration = rpcRegistrations.remove(serviceClass);
+        LOG.trace("Try to unregister serviceClass {} for Node {}",
+                serviceClass, nodeInstanceIdentifier.getKey().getId());
+        final ObjectRegistration<? extends RpcService> rpcRegistration = rpcRegistrations.remove(serviceClass);
         if (rpcRegistration != null) {
-            rpcRegistration.unregisterPath(NodeContext.class, nodeInstanceIdentifier);
             rpcRegistration.close();
-            LOG.debug("Un-registration serviceClass {} for Node {}", serviceClass.getSimpleName(), nodeInstanceIdentifier.getKey().getId().getValue());
+            LOG.debug("Un-registration serviceClass {} for Node {}", serviceClass.getSimpleName(),
+                    nodeInstanceIdentifier.getKey().getId().getValue());
         }
     }
 
@@ -156,54 +164,29 @@ class RpcContextImpl implements RpcContext {
         return this.rpcRegistrations.isEmpty();
     }
 
-    @Override
-    public CONTEXT_STATE getState() {
-        return this.state;
-    }
-
-    @Override
-    public ServiceGroupIdentifier getServiceIdentifier() {
-        return this.deviceInfo.getServiceIdentifier();
-    }
-
     @Override
     public DeviceInfo getDeviceInfo() {
         return this.deviceInfo;
     }
 
     @Override
-    public ListenableFuture<Void> stopClusterServices() {
-        if (CONTEXT_STATE.TERMINATION.equals(this.state)) {
-            return Futures.immediateCancelledFuture();
-        }
-
-        return Futures.transform(Futures.immediateFuture(null), new Function<Object, Void>() {
-            @Nullable
-            @Override
-            public Void apply(@Nullable Object input) {
-                for (final Iterator<Entry<Class<?>, RoutedRpcRegistration<?>>> iterator = Iterators
-                        .consumingIterator(rpcRegistrations.entrySet().iterator()); iterator.hasNext(); ) {
-                    final RoutedRpcRegistration<?> rpcRegistration = iterator.next().getValue();
-                    rpcRegistration.unregisterPath(NodeContext.class, nodeInstanceIdentifier);
-                    rpcRegistration.close();
-
-                    if (LOG.isDebugEnabled()) {
-                        LOG.debug("Closing RPC Registration of service {} for device {}.", rpcRegistration.getServiceType().getSimpleName(),
-                                nodeInstanceIdentifier.getKey().getId().getValue());
-                    }
-                }
-
-                return null;
-            }
-        });
+    public void registerMastershipWatcher(@NonNull final ContextChainMastershipWatcher newWatcher) {
+        this.contextChainMastershipWatcher = newWatcher;
     }
 
     @Override
-    public boolean onContextInstantiateService(final MastershipChangeListener mastershipChangeListener) {
+    public ListenableFuture<Void> closeServiceInstance() {
+        return Futures.transform(Futures.immediateFuture(null), input -> {
+            unregisterRPCs();
+            return null;
+        }, MoreExecutors.directExecutor());
+    }
 
+    @Override
+    public void instantiateServiceInstance() {
         MdSalRegistrationUtils.registerServices(this, deviceContext, extensionConverterProvider, convertorExecutor);
 
-        if (isStatisticsRpcEnabled) {
+        if (isStatisticsRpcEnabled && !deviceContext.canUseSingleLayerSerialization()) {
             MdSalRegistrationUtils.registerStatCompatibilityServices(
                     this,
                     deviceContext,
@@ -211,6 +194,12 @@ class RpcContextImpl implements RpcContext {
                     convertorExecutor);
         }
 
-        return true;
+        contextChainMastershipWatcher.onMasterRoleAcquired(deviceInfo, ContextChainMastershipState.RPC_REGISTRATION);
+    }
+
+    @NonNull
+    @Override
+    public ServiceGroupIdentifier getIdentifier() {
+        return deviceInfo.getServiceIdentifier();
     }
 }