package org.opendaylight.controller.cluster.databroker.actors.dds;
import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.util.function.Consumer;
import javax.annotation.Nullable;
+import org.opendaylight.controller.cluster.access.commands.AbortLocalTransactionRequest;
+import org.opendaylight.controller.cluster.access.commands.AbstractLocalTransactionRequest;
import org.opendaylight.controller.cluster.access.commands.AbstractReadTransactionRequest;
+import org.opendaylight.controller.cluster.access.commands.CommitLocalTransactionRequest;
import org.opendaylight.controller.cluster.access.commands.ExistsTransactionRequest;
import org.opendaylight.controller.cluster.access.commands.ExistsTransactionSuccess;
+import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceRequest;
import org.opendaylight.controller.cluster.access.commands.ModifyTransactionRequest;
import org.opendaylight.controller.cluster.access.commands.ModifyTransactionRequestBuilder;
import org.opendaylight.controller.cluster.access.commands.PersistenceProtocol;
import org.opendaylight.controller.cluster.access.commands.TransactionMerge;
import org.opendaylight.controller.cluster.access.commands.TransactionModification;
import org.opendaylight.controller.cluster.access.commands.TransactionPreCommitRequest;
+import org.opendaylight.controller.cluster.access.commands.TransactionPurgeRequest;
import org.opendaylight.controller.cluster.access.commands.TransactionRequest;
import org.opendaylight.controller.cluster.access.commands.TransactionSuccess;
import org.opendaylight.controller.cluster.access.commands.TransactionWrite;
import org.opendaylight.controller.cluster.access.concepts.RequestFailure;
import org.opendaylight.controller.cluster.access.concepts.Response;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.util.AbstractDataTreeModificationCursor;
import org.opendaylight.mdsal.common.api.ReadFailedException;
import org.opendaylight.yangtools.util.concurrent.MappingCheckedFuture;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private volatile Exception operationFailure;
-
RemoteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier,
final boolean snapshotOnly, final boolean sendReadyOnSeal) {
super(parent);
@Override
void doDelete(final YangInstanceIdentifier path) {
- appendModification(new TransactionDelete(path));
+ appendModification(new TransactionDelete(path), Optional.absent());
}
@Override
void doMerge(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
- appendModification(new TransactionMerge(path, data));
+ appendModification(new TransactionMerge(path, data), Optional.absent());
}
@Override
void doWrite(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
- appendModification(new TransactionWrite(path, data));
+ appendModification(new TransactionWrite(path, data), Optional.absent());
}
private <T> CheckedFuture<T, ReadFailedException> sendReadRequest(final AbstractReadTransactionRequest<?> request,
}
}
+ private void ensureFlushedBuider(final Optional<Long> enqueuedTicks) {
+ if (builderBusy) {
+ flushBuilder(enqueuedTicks);
+ }
+ }
+
private void flushBuilder() {
+ flushBuilder(Optional.absent());
+ }
+
+ private void flushBuilder(final Optional<Long> enqueuedTicks) {
final ModifyTransactionRequest request = builder.build();
builderBusy = false;
- sendModification(request);
- }
-
- private void sendModification(final TransactionRequest<?> request) {
- sendRequest(request, response -> completeModify(request, response));
+ sendModification(request, enqueuedTicks);
}
- @Override
- void handleForwardedRemoteRequest(final TransactionRequest<?> request,
- final @Nullable Consumer<Response<?, ?>> callback) {
- nextSequence();
-
- if (callback == null) {
- sendModification(request);
- return;
+ private void sendModification(final TransactionRequest<?> request, final Optional<Long> enqueuedTicks) {
+ if (enqueuedTicks.isPresent()) {
+ enqueueRequest(request, response -> completeModify(request, response), enqueuedTicks.get().longValue());
+ } else {
+ sendRequest(request, response -> completeModify(request, response));
}
-
- /*
- * FindBugs is utterly stupid, as it does not recognize the fact that we have checked for null
- * and reports NP_PARAMETER_MUST_BE_NONNULL_BUT_MARKED_AS_NULLABLE in the lambda below.
- */
- final Consumer<Response<?, ?>> findBugsIsStupid = callback;
-
- // FIXME: do not use sendRequest() once we have throttling in place, as we have already waited the
- // period required to get into the queue.
- sendRequest(request, response -> {
- findBugsIsStupid.accept(Preconditions.checkNotNull(response));
- completeModify(request, response);
- });
}
private void appendModification(final TransactionModification modification) {
+ appendModification(modification, Optional.absent());
+ }
+
+ private void appendModification(final TransactionModification modification, final Optional<Long> enqueuedTicks) {
if (operationFailure == null) {
ensureInitializedBuilder();
builder.addModification(modification);
if (builder.size() >= REQUEST_MAX_MODIFICATIONS) {
- flushBuilder();
+ flushBuilder(enqueuedTicks);
}
} else {
LOG.debug("Transaction {} failed, not attempting further transactions", getIdentifier());
failFuture(future, response);
}
- recordFinishedRequest();
+ recordFinishedRequest(response);
}
private void completeRead(final SettableFuture<Optional<NormalizedNode<?, ?>>> future,
failFuture(future, response);
}
- recordFinishedRequest();
+ recordFinishedRequest(response);
+ }
+
+ private ModifyTransactionRequest abortRequest() {
+ ensureInitializedBuilder();
+ builder.setAbort();
+ final ModifyTransactionRequest ret = builder.build();
+ builderBusy = false;
+ return ret;
}
@Override
if (builderBusy) {
final ModifyTransactionRequest request = builder.build();
builderBusy = false;
- successor.handleForwardedRemoteRequest(request, null);
+ forwardToSuccessor(successor, request, null);
}
}
if (maybeProto.isPresent()) {
ensureSealed();
+ final TransactionRequest<?> tmp;
switch (maybeProto.get()) {
case ABORT:
- sendAbort(callback);
+ tmp = abortRequest();
+ sendRequest(tmp, resp -> {
+ completeModify(tmp, resp);
+ callback.accept(resp);
+ });
break;
case SIMPLE:
- sendRequest(commitRequest(false), callback);
+ tmp = commitRequest(false);
+ sendRequest(tmp, resp -> {
+ completeModify(tmp, resp);
+ callback.accept(resp);
+ });
break;
case THREE_PHASE:
- sendRequest(commitRequest(true), callback);
+ tmp = commitRequest(true);
+ sendRequest(tmp, resp -> {
+ recordSuccessfulRequest(tmp);
+ callback.accept(resp);
+ });
+ break;
+ case READY:
+ //no op
break;
default:
throw new IllegalArgumentException("Unhandled protocol " + maybeProto.get());
} else if (request instanceof ReadTransactionRequest) {
ensureFlushedBuider();
sendRequest(new ReadTransactionRequest(getIdentifier(), nextSequence(), localActor(),
- ((ReadTransactionRequest) request).getPath(), isSnapshotOnly()), callback);
+ ((ReadTransactionRequest) request).getPath(), isSnapshotOnly()), resp -> {
+ recordFinishedRequest(resp);
+ callback.accept(resp);
+ });
} else if (request instanceof ExistsTransactionRequest) {
ensureFlushedBuider();
sendRequest(new ExistsTransactionRequest(getIdentifier(), nextSequence(), localActor(),
- ((ExistsTransactionRequest) request).getPath(), isSnapshotOnly()), callback);
+ ((ExistsTransactionRequest) request).getPath(), isSnapshotOnly()), resp -> {
+ recordFinishedRequest(resp);
+ callback.accept(resp);
+ });
} else if (request instanceof TransactionPreCommitRequest) {
ensureFlushedBuider();
- sendRequest(new TransactionPreCommitRequest(getIdentifier(), nextSequence(), localActor()), callback);
+ final TransactionRequest<?> tmp = new TransactionPreCommitRequest(getIdentifier(), nextSequence(),
+ localActor());
+ sendRequest(tmp, resp -> {
+ recordSuccessfulRequest(tmp);
+ callback.accept(resp);
+ });
} else if (request instanceof TransactionDoCommitRequest) {
ensureFlushedBuider();
sendRequest(new TransactionDoCommitRequest(getIdentifier(), nextSequence(), localActor()), callback);
} else if (request instanceof TransactionAbortRequest) {
ensureFlushedBuider();
sendAbort(callback);
+ } else if (request instanceof TransactionPurgeRequest) {
+ sendPurge();
} else {
throw new IllegalArgumentException("Unhandled request {}" + request);
}
final Consumer<Response<?, ?>> callback) {
successor.handleForwardedRemoteRequest(request, callback);
}
+
+ @Override
+ void handleReplayedLocalRequest(final AbstractLocalTransactionRequest<?> request,
+ final Consumer<Response<?, ?>> callback, final long enqueuedTicks) {
+ if (request instanceof CommitLocalTransactionRequest) {
+ replayLocalCommitRequest((CommitLocalTransactionRequest) request, callback, enqueuedTicks);
+ } else if (request instanceof AbortLocalTransactionRequest) {
+ enqueueRequest(abortRequest(), callback, enqueuedTicks);
+ } else {
+ throw new IllegalStateException("Unhandled request " + request);
+ }
+ }
+
+ private void replayLocalCommitRequest(final CommitLocalTransactionRequest request,
+ final Consumer<Response<?, ?>> callback, final long enqueuedTicks) {
+ final DataTreeModification mod = request.getModification();
+ final Optional<Long> optTicks = Optional.of(Long.valueOf(enqueuedTicks));
+
+ mod.applyToCursor(new AbstractDataTreeModificationCursor() {
+ @Override
+ public void write(final PathArgument child, final NormalizedNode<?, ?> data) {
+ appendModification(new TransactionWrite(current().node(child), data), optTicks);
+ }
+
+ @Override
+ public void merge(final PathArgument child, final NormalizedNode<?, ?> data) {
+ appendModification(new TransactionMerge(current().node(child), data), optTicks);
+ }
+
+ @Override
+ public void delete(final PathArgument child) {
+ appendModification(new TransactionDelete(current().node(child)), optTicks);
+ }
+ });
+
+ enqueueRequest(commitRequest(request.isCoordinated()), callback, enqueuedTicks);
+ }
+
+ @Override
+ void handleReplayedRemoteRequest(final TransactionRequest<?> request,
+ final @Nullable Consumer<Response<?, ?>> callback, final long enqueuedTicks) {
+ final Consumer<Response<?, ?>> cb = callback != null ? callback : resp -> { };
+ final Optional<Long> optTicks = Optional.of(Long.valueOf(enqueuedTicks));
+
+ if (request instanceof ModifyTransactionRequest) {
+ final ModifyTransactionRequest req = (ModifyTransactionRequest) request;
+ for (TransactionModification mod : req.getModifications()) {
+ appendModification(mod, optTicks);
+ }
+
+ final java.util.Optional<PersistenceProtocol> maybeProto = req.getPersistenceProtocol();
+ if (maybeProto.isPresent()) {
+ ensureSealed();
+
+ final TransactionRequest<?> tmp;
+ switch (maybeProto.get()) {
+ case ABORT:
+ tmp = abortRequest();
+ enqueueRequest(tmp, resp -> {
+ completeModify(tmp, resp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ break;
+ case SIMPLE:
+ tmp = commitRequest(false);
+ enqueueRequest(tmp, resp -> {
+ completeModify(tmp, resp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ break;
+ case THREE_PHASE:
+ tmp = commitRequest(true);
+ enqueueRequest(tmp, resp -> {
+ recordSuccessfulRequest(tmp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ break;
+ case READY:
+ //no op
+ break;
+ default:
+ throw new IllegalArgumentException("Unhandled protocol " + maybeProto.get());
+ }
+ }
+ } else if (request instanceof ReadTransactionRequest) {
+ ensureFlushedBuider(optTicks);
+ enqueueRequest(new ReadTransactionRequest(getIdentifier(), nextSequence(), localActor(),
+ ((ReadTransactionRequest) request).getPath(), isSnapshotOnly()), resp -> {
+ recordFinishedRequest(resp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ } else if (request instanceof ExistsTransactionRequest) {
+ ensureFlushedBuider(optTicks);
+ enqueueRequest(new ExistsTransactionRequest(getIdentifier(), nextSequence(), localActor(),
+ ((ExistsTransactionRequest) request).getPath(), isSnapshotOnly()), resp -> {
+ recordFinishedRequest(resp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ } else if (request instanceof TransactionPreCommitRequest) {
+ ensureFlushedBuider(optTicks);
+ final TransactionRequest<?> tmp = new TransactionPreCommitRequest(getIdentifier(), nextSequence(),
+ localActor());
+ enqueueRequest(tmp, resp -> {
+ recordSuccessfulRequest(tmp);
+ cb.accept(resp);
+ }, enqueuedTicks);
+ } else if (request instanceof TransactionDoCommitRequest) {
+ ensureFlushedBuider(optTicks);
+ enqueueRequest(new TransactionDoCommitRequest(getIdentifier(), nextSequence(), localActor()), callback,
+ enqueuedTicks);
+ } else if (request instanceof TransactionAbortRequest) {
+ ensureFlushedBuider(optTicks);
+ enqueueAbort(callback, enqueuedTicks);
+ } else if (request instanceof TransactionPurgeRequest) {
+ enqueuePurge(enqueuedTicks);
+ } else if (request instanceof IncrementTransactionSequenceRequest) {
+ final IncrementTransactionSequenceRequest req = (IncrementTransactionSequenceRequest) request;
+ ensureFlushedBuider(optTicks);
+ enqueueRequest(new IncrementTransactionSequenceRequest(getIdentifier(), nextSequence(), localActor(),
+ snapshotOnly, req.getIncrement()), callback, enqueuedTicks);
+ incrementSequence(req.getIncrement());
+ } else {
+ throw new IllegalArgumentException("Unhandled request {}" + request);
+ }
+ }
}