/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.internal.cache;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.apache.logging.log4j.Logger;
import org.apache.geode.CancelException;
import org.apache.geode.DataSerializer;
import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.EntryExistsException;
import org.apache.geode.cache.EntryNotFoundException;
import org.apache.geode.cache.Operation;
import org.apache.geode.cache.TransactionDataNotColocatedException;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.distributed.internal.DM;
import org.apache.geode.distributed.internal.DirectReplyProcessor;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.distributed.internal.ReplyException;
import org.apache.geode.distributed.internal.ReplyMessage;
import org.apache.geode.distributed.internal.ReplyProcessor21;
import org.apache.geode.distributed.internal.ReplySender;
import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.Assert;
import org.apache.geode.internal.ByteArrayDataInput;
import org.apache.geode.internal.InternalDataSerializer;
import org.apache.geode.internal.NanoTimer;
import org.apache.geode.internal.Version;
import org.apache.geode.internal.cache.DistributedPutAllOperation.EntryVersionsList;
import org.apache.geode.internal.cache.DistributedRemoveAllOperation.RemoveAllEntryData;
import org.apache.geode.internal.cache.partitioned.RemoveAllPRMessage;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.cache.tier.sockets.VersionedObjectList;
import org.apache.geode.internal.cache.versions.VersionTag;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LogMarker;
import org.apache.geode.internal.offheap.annotations.Released;
/**
* A Replicate Region removeAll message. Meant to be sent only to the peer who hosts transactional
* data.
*
* @since GemFire 8.1
*/
public final class RemoteRemoveAllMessage extends RemoteOperationMessageWithDirectReply {
private static final Logger logger = LogService.getLogger();
private RemoveAllEntryData[] removeAllData;
private int removeAllDataCount = 0;
/**
* An additional object providing context for the operation, e.g., for BridgeServer notification
*/
ClientProxyMembershipID bridgeContext;
private transient InternalDistributedSystem internalDs;
private boolean posDup;
protected static final short HAS_BRIDGE_CONTEXT = UNRESERVED_FLAGS_START;
private EventID eventId;
private Object callbackArg;
public void addEntry(RemoveAllEntryData entry) {
this.removeAllData[this.removeAllDataCount++] = entry;
}
@Override
public boolean isSevereAlertCompatible() {
// allow forced-disconnect processing for all cache op messages
return true;
}
public int getSize() {
return removeAllDataCount;
}
/*
* this is similar to send() but it selects an initialized replicate that is used to proxy the
* message
*
*/
public static boolean distribute(EntryEventImpl event, RemoveAllEntryData[] data, int dataCount) {
boolean successful = false;
DistributedRegion r = (DistributedRegion) event.getRegion();
Collection replicates = r.getCacheDistributionAdvisor().adviseInitializedReplicates();
if (replicates.isEmpty()) {
return false;
}
if (replicates.size() > 1) {
ArrayList l = new ArrayList(replicates);
Collections.shuffle(l);
replicates = l;
}
int attempts = 0;
for (Iterator<InternalDistributedMember> it = replicates.iterator(); it.hasNext();) {
InternalDistributedMember replicate = it.next();
try {
attempts++;
final boolean posDup = (attempts > 1);
RemoveAllResponse response = send(replicate, event, data, dataCount, false,
DistributionManager.SERIAL_EXECUTOR, posDup);
response.waitForCacheException();
VersionedObjectList result = response.getResponse();
// Set successful version tags in RemoveAllEntryData.
List successfulKeys = result.getKeys();
List<VersionTag> versions = result.getVersionTags();
for (RemoveAllEntryData removeAllEntry : data) {
Object key = removeAllEntry.getKey();
if (successfulKeys.contains(key)) {
int index = successfulKeys.indexOf(key);
removeAllEntry.versionTag = versions.get(index);
}
}
return true;
} catch (TransactionDataNotColocatedException enfe) {
throw enfe;
} catch (CancelException e) {
event.getRegion().getCancelCriterion().checkCancelInProgress(e);
} catch (CacheException e) {
if (logger.isDebugEnabled()) {
logger.debug("RemoteRemoveAllMessage caught CacheException during distribution", e);
}
successful = true; // not a cancel-exception, so don't complain any more about it
} catch (RemoteOperationException e) {
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM,
"RemoteRemoveAllMessage caught an unexpected exception during distribution", e);
}
}
}
return successful;
}
RemoteRemoveAllMessage(EntryEventImpl event, Set recipients, DirectReplyProcessor p,
RemoveAllEntryData[] removeAllData, int removeAllDataCount, boolean useOriginRemote,
int processorType, boolean possibleDuplicate) {
super(recipients, event.getRegion().getFullPath(), p);
this.resetRecipients();
if (recipients != null) {
setRecipients(recipients);
}
this.processor = p;
this.processorId = p == null ? 0 : p.getProcessorId();
if (p != null && this.isSevereAlertCompatible()) {
p.enableSevereAlertProcessing();
}
this.removeAllData = removeAllData;
this.removeAllDataCount = removeAllDataCount;
this.posDup = possibleDuplicate;
this.eventId = event.getEventId();
this.callbackArg = event.getCallbackArgument();
}
public RemoteRemoveAllMessage() {}
/*
* Sends a LocalRegion RemoteRemoveAllMessage to the recipient
*
* @param recipient the member to which the message is sent
*
* @param r the LocalRegion for which the op was performed
*
* @return the processor used to await acknowledgement that the message was sent, or null to
* indicate that no acknowledgement will be sent
*
* @throws ForceReattemptException if the peer is no longer available
*/
public static RemoveAllResponse send(DistributedMember recipient, EntryEventImpl event,
RemoveAllEntryData[] removeAllData, int removeAllDataCount, boolean useOriginRemote,
int processorType, boolean possibleDuplicate) throws RemoteOperationException {
// Assert.assertTrue(recipient != null, "RemoteRemoveAllMessage NULL recipient"); recipient can
// be null for event notifications
Set recipients = Collections.singleton(recipient);
RemoveAllResponse p = new RemoveAllResponse(event.getRegion().getSystem(), recipients);
RemoteRemoveAllMessage msg = new RemoteRemoveAllMessage(event, recipients, p, removeAllData,
removeAllDataCount, useOriginRemote, processorType, possibleDuplicate);
msg.setTransactionDistributed(event.getRegion().getCache().getTxManager().isDistributed());
Set failures = event.getRegion().getDistributionManager().putOutgoing(msg);
if (failures != null && failures.size() > 0) {
throw new RemoteOperationException(
LocalizedStrings.RemotePutMessage_FAILED_SENDING_0.toLocalizedString(msg));
}
return p;
}
public void setBridgeContext(ClientProxyMembershipID contx) {
Assert.assertTrue(contx != null);
this.bridgeContext = contx;
}
public int getDSFID() {
return REMOTE_REMOVE_ALL_MESSAGE;
}
@Override
public final void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.eventId = (EventID) DataSerializer.readObject(in);
this.callbackArg = DataSerializer.readObject(in);
this.posDup = (flags & POS_DUP) != 0;
if ((flags & HAS_BRIDGE_CONTEXT) != 0) {
this.bridgeContext = DataSerializer.readObject(in);
}
this.removeAllDataCount = (int) InternalDataSerializer.readUnsignedVL(in);
this.removeAllData = new RemoveAllEntryData[removeAllDataCount];
if (this.removeAllDataCount > 0) {
final Version version = InternalDataSerializer.getVersionForDataStreamOrNull(in);
final ByteArrayDataInput bytesIn = new ByteArrayDataInput();
for (int i = 0; i < this.removeAllDataCount; i++) {
this.removeAllData[i] = new RemoveAllEntryData(in, this.eventId, i, version, bytesIn);
}
boolean hasTags = in.readBoolean();
if (hasTags) {
EntryVersionsList versionTags = EntryVersionsList.create(in);
for (int i = 0; i < this.removeAllDataCount; i++) {
this.removeAllData[i].versionTag = versionTags.get(i);
}
}
}
}
@Override
public final void toData(DataOutput out) throws IOException {
super.toData(out);
DataSerializer.writeObject(this.eventId, out);
DataSerializer.writeObject(this.callbackArg, out);
if (this.bridgeContext != null) {
DataSerializer.writeObject(this.bridgeContext, out);
}
InternalDataSerializer.writeUnsignedVL(this.removeAllDataCount, out);
if (this.removeAllDataCount > 0) {
EntryVersionsList versionTags = new EntryVersionsList(removeAllDataCount);
boolean hasTags = false;
for (int i = 0; i < this.removeAllDataCount; i++) {
if (!hasTags && removeAllData[i].versionTag != null) {
hasTags = true;
}
VersionTag<?> tag = removeAllData[i].versionTag;
versionTags.add(tag);
removeAllData[i].versionTag = null;
this.removeAllData[i].toData(out);
this.removeAllData[i].versionTag = tag;
}
out.writeBoolean(hasTags);
if (hasTags) {
InternalDataSerializer.invokeToData(versionTags, out);
}
}
}
@Override
protected short computeCompressedShort() {
short flags = super.computeCompressedShort();
if (this.posDup)
flags |= POS_DUP;
if (this.bridgeContext != null)
flags |= HAS_BRIDGE_CONTEXT;
return flags;
}
@Override
public EventID getEventID() {
return this.eventId;
}
@Override
protected boolean operateOnRegion(DistributionManager dm, LocalRegion r, long startTime)
throws RemoteOperationException {
final boolean sendReply;
InternalDistributedMember eventSender = getSender();
try {
sendReply = doLocalRemoveAll(r, eventSender);
} catch (RemoteOperationException e) {
sendReply(getSender(), getProcessorId(), dm, new ReplyException(e), r, startTime);
return false;
}
if (sendReply) {
sendReply(getSender(), getProcessorId(), dm, null, r, startTime);
}
return false;
}
/* we need a event with content for waitForNodeOrCreateBucket() */
/**
* This method is called by both operateOnLocalRegion() when processing a remote msg or by
* sendMsgByBucket() when processing a msg targeted to local Jvm. LocalRegion Note: It is very
* important that this message does NOT cause any deadlocks as the sender will wait indefinitely
* for the acknowledgment
*
* @param r partitioned region
* @param eventSender the endpoint server who received request from client
* @return If succeeds, return true, otherwise, throw exception
*/
public final boolean doLocalRemoveAll(final LocalRegion r,
final InternalDistributedMember eventSender)
throws EntryExistsException, RemoteOperationException {
final DistributedRegion dr = (DistributedRegion) r;
// create a base event and a op for RemoveAllMessage distributed btw redundant buckets
@Released
EntryEventImpl baseEvent = EntryEventImpl.create(r, Operation.REMOVEALL_DESTROY, null, null,
this.callbackArg, false, eventSender, true);
try {
baseEvent.setCausedByMessage(this);
// set baseEventId to the first entry's event id. We need the thread id for DACE
baseEvent.setEventId(this.eventId);
if (this.bridgeContext != null) {
baseEvent.setContext(this.bridgeContext);
}
baseEvent.setPossibleDuplicate(this.posDup);
if (logger.isDebugEnabled()) {
logger.debug(
"RemoteRemoveAllMessage.doLocalRemoveAll: eventSender is {}, baseEvent is {}, msg is {}",
eventSender, baseEvent, this);
}
final DistributedRemoveAllOperation op =
new DistributedRemoveAllOperation(baseEvent, removeAllDataCount, false);
try {
final VersionedObjectList versions =
new VersionedObjectList(removeAllDataCount, true, dr.concurrencyChecksEnabled);
dr.syncBulkOp(new Runnable() {
@SuppressWarnings("synthetic-access")
public void run() {
InternalDistributedMember myId = r.getDistributionManager().getDistributionManagerId();
for (int i = 0; i < removeAllDataCount; ++i) {
@Released
EntryEventImpl ev = RemoveAllPRMessage.getEventFromEntry(r, myId, eventSender, i,
removeAllData, false, bridgeContext, posDup, false);
try {
ev.setRemoveAllOperation(op);
if (logger.isDebugEnabled()) {
logger.debug("invoking basicDestroy with {}", ev);
}
try {
dr.basicDestroy(ev, true, null);
} catch (EntryNotFoundException ignore) {
}
removeAllData[i].versionTag = ev.getVersionTag();
versions.addKeyAndVersion(removeAllData[i].key, ev.getVersionTag());
} finally {
ev.release();
}
}
}
}, baseEvent.getEventId());
if (getTXUniqId() != TXManagerImpl.NOTX || dr.getConcurrencyChecksEnabled()) {
dr.getDataView().postRemoveAll(op, versions, dr);
}
RemoveAllReplyMessage.send(getSender(), this.processorId,
getReplySender(r.getDistributionManager()), versions, this.removeAllData,
this.removeAllDataCount);
return false;
} finally {
op.freeOffHeapResources();
}
} finally {
baseEvent.release();
}
}
// override reply processor type from PartitionMessage
RemoteOperationResponse createReplyProcessor(LocalRegion r, Set recipients, Object key) {
return new RemoveAllResponse(r.getSystem(), recipients);
}
// override reply message type from PartitionMessage
@Override
protected void sendReply(InternalDistributedMember member, int procId, DM dm, ReplyException ex,
LocalRegion r, long startTime) {
ReplyMessage.send(member, procId, ex, getReplySender(dm), r != null && r.isInternalRegion());
}
@Override
protected final void appendFields(StringBuffer buff) {
super.appendFields(buff);
buff.append("; removeAllDataCount=").append(removeAllDataCount);
if (this.bridgeContext != null) {
buff.append("; bridgeContext=").append(this.bridgeContext);
}
for (int i = 0; i < removeAllDataCount; i++) {
buff.append("; entry" + i + ":")
.append(removeAllData[i] == null ? "null" : removeAllData[i].getKey());
}
}
public static final class RemoveAllReplyMessage extends ReplyMessage {
/** Result of the RemoveAll operation */
private VersionedObjectList versions;
@Override
public boolean getInlineProcess() {
return true;
}
private RemoveAllReplyMessage(int processorId, VersionedObjectList versionList,
RemoveAllEntryData[] removeAllData, int removeAllCount) {
super();
this.versions = versionList;
setProcessorId(processorId);
}
/** Send an ack */
public static void send(InternalDistributedMember recipient, int processorId, ReplySender dm,
VersionedObjectList versions, RemoveAllEntryData[] removeAllData, int removeAllDataCount) {
Assert.assertTrue(recipient != null, "RemoveAllReplyMessage NULL reply message");
RemoveAllReplyMessage m =
new RemoveAllReplyMessage(processorId, versions, removeAllData, removeAllDataCount);
m.setRecipient(recipient);
dm.putOutgoing(m);
}
/**
* Processes this message. This method is invoked by the receiver of the message.
*
* @param dm the distribution manager that is processing the message.
*/
@Override
public void process(final DM dm, final ReplyProcessor21 rp) {
final long startTime = getTimestamp();
if (rp == null) {
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.debug("RemoveAllReplyMessage processor not found");
}
return;
}
if (rp instanceof RemoveAllResponse) {
RemoveAllResponse processor = (RemoveAllResponse) rp;
processor.setResponse(this);
}
rp.process(this);
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "{} Processed {}", rp, this);
}
dm.getStats().incReplyMessageTime(NanoTimer.getTime() - startTime);
}
@Override
public int getDSFID() {
return REMOTE_REMOVE_ALL_REPLY_MESSAGE;
}
public RemoveAllReplyMessage() {}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.versions = (VersionedObjectList) DataSerializer.readObject(in);
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
DataSerializer.writeObject(this.versions, out);
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("RemoveAllReplyMessage ").append(" processorid=").append(this.processorId)
.append(" returning versionTags=").append(this.versions);
return sb.toString();
}
}
/**
* A processor to capture the value returned by {@link RemoteRemoveAllMessage}
*/
public static class RemoveAllResponse extends RemoteOperationResponse {
private VersionedObjectList versions;
public RemoveAllResponse(InternalDistributedSystem ds, Set recipients) {
super(ds, recipients, false);
}
public void setResponse(RemoveAllReplyMessage removeAllReplyMessage) {
if (removeAllReplyMessage.versions != null) {
this.versions = removeAllReplyMessage.versions;
this.versions.replaceNullIDs(removeAllReplyMessage.getSender());
}
}
public VersionedObjectList getResponse() {
return this.versions;
}
}
}