Merge "Make idle timeout configurable in ssh proxy server"
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardManager.java
index 157f1cb3771cd71ddd1ddf14d2541bef3a0aefc3..88f818f0faedf76f0349ce1f7294dee37b9d79d1 100644 (file)
@@ -25,6 +25,8 @@ import akka.persistence.RecoveryFailure;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Supplier;
+import com.google.common.collect.Lists;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
 import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActorWithMetering;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
@@ -43,6 +45,7 @@ import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContex
 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import scala.concurrent.duration.Duration;
+
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -90,6 +93,8 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
 
     private final Collection<String> knownModules = new HashSet<>(128);
 
+    private final DataPersistenceProvider dataPersistenceProvider;
+
     /**
      * @param type defines the kind of data that goes into shards created by this shard manager. Examples of type would be
      *             configuration or operational
@@ -101,6 +106,7 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         this.cluster = Preconditions.checkNotNull(cluster, "cluster should not be null");
         this.configuration = Preconditions.checkNotNull(configuration, "configuration should not be null");
         this.datastoreContext = datastoreContext;
+        this.dataPersistenceProvider = createDataPersistenceProvider(datastoreContext.isPersistent());
 
         // Subscribe this actor to cluster member events
         cluster.subscribeToMemberEvents(getSelf());
@@ -108,6 +114,10 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         createLocalShards();
     }
 
+    protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
+        return (persistent) ? new PersistentDataProvider() : new NonPersistentDataProvider();
+    }
+
     public static Props props(final String type,
         final ClusterWrapper cluster,
         final Configuration configuration,
@@ -163,24 +173,33 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         LOG.debug("Initializing shard [{}]", shardName);
         ShardInformation shardInformation = localShards.get(shardName);
         if (shardInformation != null) {
-            shardInformation.setShardInitialized(true);
+            shardInformation.setActorInitialized();
         }
     }
 
     @Override
     protected void handleRecover(Object message) throws Exception {
-        if(message instanceof SchemaContextModules){
-            SchemaContextModules msg = (SchemaContextModules) message;
-            knownModules.clear();
-            knownModules.addAll(msg.getModules());
-        } else if(message instanceof RecoveryFailure){
-            RecoveryFailure failure = (RecoveryFailure) message;
-            LOG.error(failure.cause(), "Recovery failed");
-        } else if(message instanceof RecoveryCompleted){
-            LOG.info("Recovery complete : {}", persistenceId());
-
-            // Delete all the messages from the akka journal except the last one
-            deleteMessages(lastSequenceNr() - 1);
+        if(dataPersistenceProvider.isRecoveryApplicable()) {
+            if (message instanceof SchemaContextModules) {
+                SchemaContextModules msg = (SchemaContextModules) message;
+                knownModules.clear();
+                knownModules.addAll(msg.getModules());
+            } else if (message instanceof RecoveryFailure) {
+                RecoveryFailure failure = (RecoveryFailure) message;
+                LOG.error(failure.cause(), "Recovery failed");
+            } else if (message instanceof RecoveryCompleted) {
+                LOG.info("Recovery complete : {}", persistenceId());
+
+                // Delete all the messages from the akka journal except the last one
+                deleteMessages(lastSequenceNr() - 1);
+            }
+        } else {
+            if (message instanceof RecoveryCompleted) {
+                LOG.info("Recovery complete : {}", persistenceId());
+
+                // Delete all the messages from the akka journal
+                deleteMessages(lastSequenceNr());
+            }
         }
     }
 
@@ -192,7 +211,7 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
             return;
         }
 
-        sendResponse(shardInformation, new Supplier<Object>() {
+        sendResponse(shardInformation, message.isWaitUntilInitialized(), new Supplier<Object>() {
             @Override
             public Object get() {
                 return new LocalShardFound(shardInformation.getActor());
@@ -200,9 +219,22 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         });
     }
 
-    private void sendResponse(ShardInformation shardInformation,  Supplier<Object> messageSupplier) {
-        if (shardInformation.getActor() == null || !shardInformation.isShardInitialized()) {
-            getSender().tell(new ActorNotInitialized(), getSelf());
+    private void sendResponse(ShardInformation shardInformation, boolean waitUntilInitialized,
+            final Supplier<Object> messageSupplier) {
+        if (!shardInformation.isShardInitialized()) {
+            if(waitUntilInitialized) {
+                final ActorRef sender = getSender();
+                final ActorRef self = self();
+                shardInformation.addRunnableOnInitialized(new Runnable() {
+                    @Override
+                    public void run() {
+                        sender.tell(messageSupplier.get(), self);
+                    }
+                });
+            } else {
+                getSender().tell(new ActorNotInitialized(), getSelf());
+            }
+
             return;
         }
 
@@ -248,15 +280,15 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
             knownModules.clear();
             knownModules.addAll(newModules);
 
-            persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
+            dataPersistenceProvider.persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
 
                 @Override
                 public void apply(SchemaContextModules param) throws Exception {
                     LOG.info("Sending new SchemaContext to Shards");
                     for (ShardInformation info : localShards.values()) {
-                        if(info.getActor() == null) {
+                        if (info.getActor() == null) {
                             info.setActor(getContext().actorOf(Shard.props(info.getShardId(),
-                                    info.getPeerAddresses(), datastoreContext, schemaContext),
+                                            info.getPeerAddresses(), datastoreContext, schemaContext),
                                     info.getShardId().toString()));
                         } else {
                             info.getActor().tell(message, getSelf());
@@ -277,7 +309,7 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         // First see if the there is a local replica for the shard
         final ShardInformation info = localShards.get(shardName);
         if (info != null) {
-            sendResponse(info, new Supplier<Object>() {
+            sendResponse(info, message.isWaitUntilInitialized(), new Supplier<Object>() {
                 @Override
                 public Object get() {
                     return new PrimaryFound(info.getActorPath().toString()).toSerializable();
@@ -416,13 +448,22 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         return knownModules;
     }
 
+    @VisibleForTesting
+    DataPersistenceProvider getDataPersistenceProvider() {
+        return dataPersistenceProvider;
+    }
+
     private class ShardInformation {
         private final ShardIdentifier shardId;
         private final String shardName;
         private ActorRef actor;
         private ActorPath actorPath;
         private final Map<ShardIdentifier, String> peerAddresses;
-        private boolean shardInitialized = false; // flag that determines if the actor is ready for business
+
+        // flag that determines if the actor is ready for business
+        private boolean actorInitialized = false;
+
+        private final List<Runnable> runnablesOnInitialized = Lists.newArrayList();
 
         private ShardInformation(String shardName, ShardIdentifier shardId,
                 Map<ShardIdentifier, String> peerAddresses) {
@@ -474,11 +515,21 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
         }
 
         boolean isShardInitialized() {
-            return shardInitialized;
+            return getActor() != null && actorInitialized;
         }
 
-        void setShardInitialized(boolean shardInitialized) {
-            this.shardInitialized = shardInitialized;
+        void setActorInitialized() {
+            this.actorInitialized = true;
+
+            for(Runnable runnable: runnablesOnInitialized) {
+                runnable.run();
+            }
+
+            runnablesOnInitialized.clear();
+        }
+
+        void addRunnableOnInitialized(Runnable runnable) {
+            runnablesOnInitialized.add(runnable);
         }
     }
 
@@ -506,7 +557,6 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
 
     static class SchemaContextModules implements Serializable {
         private static final long serialVersionUID = 1L;
-
         private final Set<String> modules;
 
         SchemaContextModules(Set<String> modules){