package org.opendaylight.openflowplugin.impl.device;
import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
+import com.google.common.base.Verify;
+import com.google.common.util.concurrent.AsyncFunction;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.FutureFallback;
import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
private BindingTransactionChain txChainFactory;
private boolean submitIsEnabled;
- public TransactionChainManagerStatus getTransactionChainManagerStatus() {
- return transactionChainManagerStatus;
- }
-
@GuardedBy("txLock")
private TransactionChainManagerStatus transactionChainManagerStatus;
private final KeyedInstanceIdentifier<Node, NodeKey> nodeII;
* transactions. Call this method for MASTER role only.
*/
public void activateTransactionManager() {
- LOG.trace("activetTransactionManaager for node {} transaction submit is set to {}", deviceState.getNodeId());
+ LOG.trace("activateTransactionManager for node {} transaction submit is set to {}", deviceState.getNodeId(), this.submitIsEnabled);
synchronized (txLock) {
if (TransactionChainManagerStatus.SLEEPING.equals(transactionChainManagerStatus)) {
LOG.debug("Transaction Factory create {}", deviceState.getNodeId());
* Method change status for TxChainManger to {@link TransactionChainManagerStatus#SLEEPING} and it unregisters
* this class instance as {@link TransactionChainListener} so it broke a possibility to write something to DS.
* Call this method for SLAVE only.
+ * @return Future
*/
- public void deactivateTransactionManager() {
+ public ListenableFuture<Void> deactivateTransactionManager() {
+ final ListenableFuture<Void> future;
synchronized (txLock) {
if (TransactionChainManagerStatus.WORKING.equals(transactionChainManagerStatus)) {
LOG.debug("Submitting all transactions if we were in status WORKING for Node", deviceState.getNodeId());
- submitWriteTransaction();
+ transactionChainManagerStatus = TransactionChainManagerStatus.SLEEPING;
+ future = txChainShuttingDown();
Preconditions.checkState(wTx == null, "We have some unexpected WriteTransaction.");
LOG.debug("Transaction Factory delete for Node {}", deviceState.getNodeId());
- transactionChainManagerStatus = TransactionChainManagerStatus.SLEEPING;
- txChainFactory.close();
- txChainFactory = null;
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(final Void result) {
+ txChainFactory.close();
+ txChainFactory = null;
+ }
+
+ @Override
+ public void onFailure(final Throwable t) {
+ txChainFactory.close();
+ txChainFactory = null;
+ }
+ });
+ } else {
+ // TODO : ignoring redundant deactivate invocation
+ future = Futures.immediateCheckedFuture(null);
}
}
+ return future;
}
boolean submitWriteTransaction() {
submitIsEnabled = true;
}
- CheckedFuture<Void, TransactionCommitFailedException> shuttingDown() {
+ ListenableFuture<Void> shuttingDown() {
LOG.debug("TxManager is going SUTTING_DOWN for node {}", nodeII);
- CheckedFuture<Void, TransactionCommitFailedException> future;
+ ListenableFuture<Void> future;
synchronized (txLock) {
this.transactionChainManagerStatus = TransactionChainManagerStatus.SHUTTING_DOWN;
- if (txChainFactory == null) {
- // stay with actual thread
- future = Futures.immediateCheckedFuture(null);
- } else {
- // hijack md-sal thread
- if (wTx == null) {
- wTx = txChainFactory.newWriteOnlyTransaction();
+ future = txChainShuttingDown();
+ }
+ return future;
+ }
+
+ private ListenableFuture<Void> txChainShuttingDown() {
+ ListenableFuture<Void> future;
+ if (txChainFactory == null) {
+ // stay with actual thread
+ future = Futures.immediateCheckedFuture(null);
+ } else {
+ // hijack md-sal thread
+ if (wTx == null) {
+ wTx = txChainFactory.newWriteOnlyTransaction();
+ }
+ final NodeBuilder nodeBuilder = new NodeBuilder().setId(deviceState.getNodeId());
+ wTx.merge(LogicalDatastoreType.OPERATIONAL, nodeII, nodeBuilder.build());
+ future = wTx.submit();
+ wTx = null;
+
+ future = Futures.withFallback(future, new FutureFallback<Void>() {
+
+ @Override
+ public ListenableFuture<Void> create(final Throwable t) throws Exception {
+ LOG.debug("Last ShuttingDown Transaction for node {} fail. Put empty FlowCapableNode",
+ deviceState.getNodeId());
+ final ReadOnlyTransaction readWriteTx = dataBroker.newReadOnlyTransaction();
+ final CheckedFuture<Optional<FlowCapableNode>, ReadFailedException> readFlowNode = readWriteTx
+ .read(LogicalDatastoreType.OPERATIONAL, nodeII.augmentation(FlowCapableNode.class));
+ return Futures.transform(readFlowNode, new AsyncFunction<Optional<FlowCapableNode>, Void>() {
+
+ @Override
+ public ListenableFuture<Void> apply(final Optional<FlowCapableNode> input) {
+ if (input.isPresent()) {
+ final WriteTransaction delWtx = dataBroker.newWriteOnlyTransaction();
+ nodeBuilder.addAugmentation(FlowCapableNode.class, new FlowCapableNodeBuilder().build());
+ delWtx.put(LogicalDatastoreType.OPERATIONAL, nodeII, nodeBuilder.build());
+ return delWtx.submit();
+ }
+ return Futures.immediateFuture(null);
+ }
+ });
}
- final NodeBuilder nodeBuilder = new NodeBuilder().setId(deviceState.getNodeId());
- wTx.merge(LogicalDatastoreType.OPERATIONAL, nodeII, nodeBuilder.build());
- future = wTx.submit();
+ });
+ }
+ return future;
+ }
+
+ /**
+ * Transaction could be close if we are not submit anything. We have property submitIsEnable what
+ * could protect us for check it is NEW transaction from chain and we are able close everything
+ * safely.
+ */
+ void clearUnsubmittedTransaction() {
+ LOG.debug("Cleaning unsubmited Transaction for Device {}", deviceState.getNodeId());
+ Verify.verify(!submitIsEnabled, "We are not able clean TxChain {}", deviceState.getNodeId());
+ synchronized (txLock) {
+ if (wTx != null) {
+ wTx.cancel();
wTx = null;
}
+ if (txChainFactory != null) {
+ txChainFactory.close();
+ txChainFactory = null;
+ }
+ transactionChainManagerStatus = TransactionChainManagerStatus.SLEEPING;
}
- return future;
}
@Override
Preconditions.checkState(txChainFactory == null);
}
- public enum TransactionChainManagerStatus {
+ private enum TransactionChainManagerStatus {
/** txChainManager is sleeping - is not active (SLAVE or default init value) */
WORKING,
/** txChainManager is working - is active (MASTER) */