X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FDistributedDataStore.java;h=c79de945675a0f14d8a40fd6dc13f4007a3a9669;hp=930c5f7257dc6c061f23f54868a55f8da68b4acb;hb=08dd5c2c443ff53f56af88a0e8dc8f34e36d2245;hpb=dd32d3d246ebad8b7c76afb93239a4462f329a6b

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
index 930c5f7257..c79de94567 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
@@ -11,9 +11,14 @@ package org.opendaylight.controller.cluster.datastore;
 import akka.actor.ActorSystem;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreConfigurationMXBeanImpl;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreInfoMXBeanImpl;
 import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
@@ -32,33 +37,71 @@ import org.slf4j.LoggerFactory;
 /**
  *
  */
-public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
+public class DistributedDataStore implements DOMStore, SchemaContextListener,
+        DatastoreContextConfigAdminOverlay.Listener, AutoCloseable {
 
     private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
-    public static final int REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR = 24; // 24 times the usual operation timeout
+    private static final String UNKNOWN_TYPE = "unknown";
+
+    private static final long READY_WAIT_FACTOR = 3;
 
     private final ActorContext actorContext;
+    private final long waitTillReadyTimeInMillis;
+
+
+    private AutoCloseable closeable;
+
+    private DatastoreConfigurationMXBeanImpl datastoreConfigMXBean;
+
+    private DatastoreInfoMXBeanImpl datastoreInfoMXBean;
+
+    private final CountDownLatch waitTillReadyCountDownLatch = new CountDownLatch(1);
+
+    private final String type;
 
-    public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster,
+    public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster,
             Configuration configuration, DatastoreContext datastoreContext) {
         Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
-        Preconditions.checkNotNull(type, "type should not be null");
         Preconditions.checkNotNull(cluster, "cluster should not be null");
         Preconditions.checkNotNull(configuration, "configuration should not be null");
         Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
 
+        this.type = datastoreContext.getDataStoreType();
+
         String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
 
         LOG.info("Creating ShardManager : {}", shardManagerId);
 
+        String shardDispatcher =
+                new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
+
         actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
-                ShardManager.props(type, cluster, configuration, datastoreContext)
-                    .withMailbox(ActorContext.MAILBOX), shardManagerId ),
+                ShardManager.props(cluster, configuration, datastoreContext, waitTillReadyCountDownLatch)
+                        .withDispatcher(shardDispatcher).withMailbox(ActorContext.MAILBOX), shardManagerId ),
                 cluster, configuration, datastoreContext);
+
+        this.waitTillReadyTimeInMillis =
+                actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
+
+
+        datastoreConfigMXBean = new DatastoreConfigurationMXBeanImpl(datastoreContext.getDataStoreMXBeanType());
+        datastoreConfigMXBean.setContext(datastoreContext);
+        datastoreConfigMXBean.registerMBean();
+
+        datastoreInfoMXBean = new DatastoreInfoMXBeanImpl(datastoreContext.getDataStoreMXBeanType(), actorContext);
+        datastoreInfoMXBean.registerMBean();
     }
 
     public DistributedDataStore(ActorContext actorContext) {
         this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+        this.type = UNKNOWN_TYPE;
+        this.waitTillReadyTimeInMillis =
+                actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
+
+    }
+
+    public void setCloseable(AutoCloseable closeable) {
+        this.closeable = closeable;
     }
 
     @SuppressWarnings("unchecked")
@@ -94,11 +137,13 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
 
     @Override
     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
+        actorContext.acquireTxCreationPermit();
         return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY);
     }
 
     @Override
     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
+        actorContext.acquireTxCreationPermit();
         return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE);
     }
 
@@ -108,7 +153,26 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
     }
 
     @Override
-    public void close() throws Exception {
+    public void onDatastoreContextUpdated(DatastoreContext context) {
+        LOG.info("DatastoreContext updated for data store {}", actorContext.getDataStoreType());
+
+        actorContext.setDatastoreContext(context);
+        datastoreConfigMXBean.setContext(context);
+    }
+
+    @Override
+    public void close() {
+        datastoreConfigMXBean.unregisterMBean();
+        datastoreInfoMXBean.unregisterMBean();
+
+        if(closeable != null) {
+            try {
+                closeable.close();
+            } catch (Exception e) {
+                LOG.debug("Error closing insance", e);
+            }
+        }
+
         actorContext.shutdown();
     }
 
@@ -116,4 +180,23 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
     ActorContext getActorContext() {
         return actorContext;
     }
+
+    public void waitTillReady(){
+        LOG.info("Beginning to wait for data store to become ready : {}", type);
+
+        try {
+            if (waitTillReadyCountDownLatch.await(waitTillReadyTimeInMillis, TimeUnit.MILLISECONDS)) {
+                LOG.debug("Data store {} is now ready", type);
+            } else {
+                LOG.error("Shared leaders failed to settle in {} seconds, giving up", TimeUnit.MILLISECONDS.toSeconds(waitTillReadyTimeInMillis));
+            }
+        } catch (InterruptedException e) {
+            LOG.error("Interrupted while waiting for shards to settle", e);
+        }
+    }
+
+    @VisibleForTesting
+    public CountDownLatch getWaitTillReadyCountDownLatch() {
+        return waitTillReadyCountDownLatch;
+    }
 }