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FileSyncService.java
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FileSyncService.java
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/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* 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.jumpmind.symmetric.service.impl;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.io.filefilter.DirectoryFileFilter;
import org.apache.commons.io.monitor.FileAlterationObserver;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.sql.ISqlReadCursor;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.Row;
import org.jumpmind.exception.IoException;
import org.jumpmind.symmetric.AbstractSymmetricEngine;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.SymmetricException;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.common.ContextConstants;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.common.TableConstants;
import org.jumpmind.symmetric.file.DirectorySnapshot;
import org.jumpmind.symmetric.file.FileConflictException;
import org.jumpmind.symmetric.file.FileSyncZipDataWriter;
import org.jumpmind.symmetric.file.FileTriggerFileModifiedListener;
import org.jumpmind.symmetric.file.FileTriggerFileModifiedListener.FileModifiedCallback;
import org.jumpmind.symmetric.file.FileTriggerTracker;
import org.jumpmind.symmetric.io.data.CsvData;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.io.stage.IStagedResource;
import org.jumpmind.symmetric.io.stage.IStagedResource.State;
import org.jumpmind.symmetric.io.stage.IStagingManager;
import org.jumpmind.symmetric.model.AbstractBatch.Status;
import org.jumpmind.symmetric.model.BatchAck;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.Data;
import org.jumpmind.symmetric.model.FileConflictStrategy;
import org.jumpmind.symmetric.model.FileSnapshot;
import org.jumpmind.symmetric.model.FileSnapshot.LastEventType;
import org.jumpmind.symmetric.model.FileTrigger;
import org.jumpmind.symmetric.model.FileTriggerRouter;
import org.jumpmind.symmetric.model.IncomingBatch;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeCommunication;
import org.jumpmind.symmetric.model.NodeCommunication.CommunicationType;
import org.jumpmind.symmetric.model.NodeSecurity;
import org.jumpmind.symmetric.model.OutgoingBatch;
import org.jumpmind.symmetric.model.OutgoingBatches;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfoKey;
import org.jumpmind.symmetric.model.ProcessType;
import org.jumpmind.symmetric.model.RemoteNodeStatus;
import org.jumpmind.symmetric.model.RemoteNodeStatuses;
import org.jumpmind.symmetric.service.ClusterConstants;
import org.jumpmind.symmetric.service.IFileSyncService;
import org.jumpmind.symmetric.service.IIncomingBatchService;
import org.jumpmind.symmetric.service.INodeCommunicationService;
import org.jumpmind.symmetric.service.INodeCommunicationService.INodeCommunicationExecutor;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.transport.IIncomingTransport;
import org.jumpmind.symmetric.transport.IOutgoingTransport;
import org.jumpmind.symmetric.transport.IOutgoingWithResponseTransport;
import org.jumpmind.symmetric.transport.ITransportManager;
import org.jumpmind.symmetric.transport.NoContentException;
import org.jumpmind.symmetric.transport.file.FileIncomingTransport;
import org.jumpmind.symmetric.transport.file.FileOutgoingTransport;
import org.jumpmind.util.AppUtils;
import org.jumpmind.util.ExceptionUtils;
import bsh.EvalError;
import bsh.Interpreter;
import bsh.TargetError;
public class FileSyncService extends AbstractOfflineDetectorService implements IFileSyncService,
INodeCommunicationExecutor {
private ISymmetricEngine engine;
private List<FileTriggerRouter> fileTriggerRoutersCache = new ArrayList<FileTriggerRouter>();
private long fileTriggerRoutersCacheTime;
private Object cacheLock = new Object();
private Date lastUpdateTime;
public FileSyncService(ISymmetricEngine engine) {
super(engine.getParameterService(), engine.getSymmetricDialect(), engine.getExtensionService());
this.engine = engine;
setSqlMap(new FileSyncServiceSqlMap(platform, createSqlReplacementTokens()));
}
public boolean refreshFromDatabase() {
Date date1 = sqlTemplate.queryForObject(getSql("selectMaxTriggerLastUpdateTime"), Date.class);
Date date2 = sqlTemplate.queryForObject(getSql("selectMaxRouterLastUpdateTime"), Date.class);
Date date3 = sqlTemplate.queryForObject(getSql("selectMaxFileTriggerRouterLastUpdateTime"), Date.class);
Date date = maxDate(date1, date2, date3);
if (date != null) {
if (lastUpdateTime == null || lastUpdateTime.before(date)) {
if (lastUpdateTime != null) {
log.info("Newer trigger router settings were detected");
}
lastUpdateTime = date;
clearCache();
return true;
}
}
return false;
}
public void trackChanges(boolean force) {
if (force || engine.getClusterService().lock(ClusterConstants.FILE_SYNC_TRACKER)) {
try {
log.debug("Attempting to get exclusive lock for file sync track changes");
if (engine.getClusterService().lock(ClusterConstants.FILE_SYNC_SHARED, ClusterConstants.TYPE_EXCLUSIVE,
getParameterService().getLong(ParameterConstants.FILE_SYNC_LOCK_WAIT_MS))) {
try {
log.debug("Tracking changes for file sync");
Node local = engine.getNodeService().findIdentity();
if (local == null) {
log.warn("Not running file sync trackChanges because the local node is not available yet. It may not be registered yet.");
return;
}
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(local.getNodeId(), null, ProcessType.FILE_SYNC_TRACKER));
boolean useCrc = engine.getParameterService().is(ParameterConstants.FILE_SYNC_USE_CRC);
if (engine.getParameterService().is(ParameterConstants.FILE_SYNC_FAST_SCAN)) {
trackChangesFastScan(processInfo, useCrc);
} else {
trackChanges(processInfo, useCrc);
}
if (engine.getParameterService().is(ParameterConstants.FILE_SYNC_PREVENT_PING_BACK)) {
deleteFromFileIncoming();
}
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
} finally {
log.debug("Done tracking changes for file sync");
engine.getClusterService().unlock(ClusterConstants.FILE_SYNC_SHARED,
ClusterConstants.TYPE_EXCLUSIVE);
}
} else {
log.warn("Did not run the track file sync changes process because it was shared locked");
}
} finally {
if (!force) {
engine.getClusterService().unlock(ClusterConstants.FILE_SYNC_TRACKER);
}
}
} else {
log.debug("Did not run the track file sync changes process because it was cluster locked");
}
}
protected void trackChanges(ProcessInfo processInfo, boolean useCrc) {
long ctxTime = engine.getContextService().getLong(ContextConstants.FILE_SYNC_FAST_SCAN_TRACK_TIME);
Date ctxDate = new Date(ctxTime);
if (ctxTime == 0) {
ctxDate = null;
}
Date currentDate = new Date();
List<FileTriggerRouter> fileTriggerRouters = getFileTriggerRoutersForCurrentNode(false);
for (FileTriggerRouter fileTriggerRouter : fileTriggerRouters) {
if (fileTriggerRouter.isEnabled()) {
try {
FileTrigger fileTrigger = fileTriggerRouter.getFileTrigger();
boolean ignoreFiles = shouldIgnoreInitialFiles(fileTriggerRouter, fileTrigger, ctxDate);
FileTriggerTracker tracker = new FileTriggerTracker(fileTriggerRouter, getDirectorySnapshot(fileTriggerRouter),
processInfo, useCrc, engine);
DirectorySnapshot dirSnapshot = tracker.trackChanges();
saveDirectorySnapshot(fileTriggerRouter, dirSnapshot,ignoreFiles);
engine.getContextService().save(ContextConstants.FILE_SYNC_FAST_SCAN_TRACK_TIME, String.valueOf(currentDate.getTime()));
} catch (Exception ex) {
log.error("Failed to track changes for file trigger router: "
+ fileTriggerRouter.getFileTrigger().getTriggerId()
+ "::" + fileTriggerRouter.getRouter().getRouterId(), ex);
}
}
}
}
protected void trackChangesFastScan(ProcessInfo processInfo, boolean useCrc) {
long ctxTime = engine.getContextService().getLong(ContextConstants.FILE_SYNC_FAST_SCAN_TRACK_TIME);
Date ctxDate = new Date(ctxTime);
if (ctxTime == 0) {
ctxDate = null;
}
Date currentDate = new Date();
int maxRowsBeforeCommit = engine.getParameterService().getInt(ParameterConstants.DATA_LOADER_MAX_ROWS_BEFORE_COMMIT);
try {
List<FileTriggerRouter> fileTriggerRouters = getFileTriggerRoutersForCurrentNode(false);
for (final FileTriggerRouter fileTriggerRouter : fileTriggerRouters) {
if (fileTriggerRouter.isEnabled()) {
FileTrigger fileTrigger = fileTriggerRouter.getFileTrigger();
boolean ignoreFiles = shouldIgnoreInitialFiles(fileTriggerRouter, fileTrigger, ctxDate);
FileAlterationObserver observer = new FileAlterationObserver(fileTriggerRouter.getFileTrigger().getBaseDir(),
fileTriggerRouter.getFileTrigger().createIOFileFilter());
FileTriggerFileModifiedListener listener = new FileTriggerFileModifiedListener(fileTriggerRouter, ctxDate,
currentDate, processInfo, useCrc, new FileModifiedCallback(maxRowsBeforeCommit) {
public void commit(DirectorySnapshot dirSnapshot) {
saveDirectorySnapshot(fileTriggerRouter, dirSnapshot, ignoreFiles);
}
public DirectorySnapshot getLastDirectorySnapshot(String relativeDir) {
return getDirectorySnapshot(fileTriggerRouter, relativeDir);
}
}, engine);
observer.addListener(listener);
observer.checkAndNotify();
engine.getContextService().save(ContextConstants.FILE_SYNC_FAST_SCAN_TRACK_TIME, String.valueOf(currentDate.getTime()));
}
}
} catch (Exception ex) {
log.error("Failed to track changes", ex);
}
}
protected boolean shouldIgnoreInitialFiles(FileTriggerRouter router, FileTrigger trigger, Date contextDate) {
if (!router.isInitialLoadEnabled()) {
if (contextDate == null || router.getLastUpdateTime().after(contextDate) || trigger.getLastUpdateTime().after(contextDate)) {
return true;
}
}
return false;
}
protected long saveDirectorySnapshot(FileTriggerRouter fileTriggerRouter, DirectorySnapshot dirSnapshot, boolean shouldIgnore) {
long totalBytes = 0;
for (FileSnapshot fileSnapshot : dirSnapshot) {
File file = fileTriggerRouter.getFileTrigger().createSourceFile(fileSnapshot);
String filePath = file.getParentFile().getPath().replace('\\', '/');
String fileName = file.getName();
String nodeId = null;
if (engine.getParameterService().is(ParameterConstants.FILE_SYNC_PREVENT_PING_BACK)) {
nodeId = findSourceNodeIdFromFileIncoming(filePath,
fileName, fileSnapshot.getFileModifiedTime());
}
if (StringUtils.isNotBlank(nodeId)) {
fileSnapshot.setLastUpdateBy(nodeId);
} else {
fileSnapshot.setLastUpdateBy(null);
}
log.debug("Captured change " + fileSnapshot);
totalBytes += fileSnapshot.getFileSize();
}
save(dirSnapshot,shouldIgnore);
return totalBytes;
}
protected String findSourceNodeIdFromFileIncoming(String filePath, String fileName,
long lastUpdateDate) {
return sqlTemplate.queryForString(getSql("findNodeIdFromFileIncoming"), filePath, fileName,
lastUpdateDate);
}
protected void deleteFromFileIncoming() {
sqlTemplate.update(getSql("deleteFileIncoming"));
}
public List<FileTrigger> getFileTriggers() {
return sqlTemplate.query(getSql("selectFileTriggersSql"), new FileTriggerMapper());
}
public FileTrigger getFileTrigger(String triggerId) {
return sqlTemplate.queryForObject(getSql("selectFileTriggersSql", "triggerIdWhere"),
new FileTriggerMapper(), triggerId);
}
public List<FileTriggerRouter> getFileTriggerRoutersForCurrentNode(boolean refreshCache) {
String myNodeGroupId = parameterService.getNodeGroupId();
List<FileTriggerRouter> allValues = getFileTriggerRouters(refreshCache);
List<FileTriggerRouter> currentValues = new ArrayList<FileTriggerRouter>();
for(FileTriggerRouter ftr : allValues) {
if(ftr.getRouter().getNodeGroupLink().getSourceNodeGroupId().equals(myNodeGroupId) && ftr.isEnabled()) {
currentValues.add(ftr);
}
}
return currentValues;
}
public List<FileTriggerRouter> getFileTriggerRouters(boolean refreshCache) {
long fileTriggerRouterCacheTimeoutInMs = parameterService
.getLong(ParameterConstants.CACHE_TIMEOUT_TRIGGER_ROUTER_IN_MS);
List<FileTriggerRouter> currentValues = fileTriggerRoutersCache;
if(currentValues == null || refreshCache ||
System.currentTimeMillis() - this.fileTriggerRoutersCacheTime > fileTriggerRouterCacheTimeoutInMs) {
synchronized (cacheLock) {
List<FileTriggerRouter> newValues = sqlTemplate.query(getSql("selectFileTriggerRoutersSql"),
new FileTriggerRouterMapper());
fileTriggerRoutersCache = newValues;
currentValues = newValues;
fileTriggerRoutersCacheTime = System.currentTimeMillis();
}
}
return currentValues;
}
public FileTriggerRouter getFileTriggerRouter(String triggerId, String routerId, boolean refreshCache) {
List<FileTriggerRouter> allValues = getFileTriggerRouters(refreshCache);
for(FileTriggerRouter ftr: allValues) {
if(ftr.getRouterId().equals(routerId) && ftr.getTriggerId().equals(triggerId)) {
return ftr;
}
}
return null;
}
public void clearCache() {
synchronized (cacheLock) {
this.fileTriggerRoutersCacheTime = 0;
}
}
public void saveFileTrigger(FileTrigger fileTrigger) {
fileTrigger.setLastUpdateTime(new Date());
if (0 >= sqlTemplate.update(
getSql("updateFileTriggerSql"),
new Object[] { fileTrigger.getBaseDir(), fileTrigger.isRecurse() ? 1 : 0,
fileTrigger.getIncludesFiles(), fileTrigger.getExcludesFiles(),
fileTrigger.isSyncOnCreate() ? 1 : 0,
fileTrigger.isSyncOnModified() ? 1 : 0,
fileTrigger.isSyncOnDelete() ? 1 : 0,
fileTrigger.isSyncOnCtlFile() ? 1 : 0,
fileTrigger.isDeleteAfterSync() ? 1 : 0, fileTrigger.getBeforeCopyScript(),
fileTrigger.getAfterCopyScript(), fileTrigger.getLastUpdateBy(),
fileTrigger.getLastUpdateTime(), fileTrigger.getChannelId(),
fileTrigger.getReloadChannelId(), fileTrigger.getTriggerId() }, new int[] {
Types.VARCHAR, Types.SMALLINT,
Types.VARCHAR, Types.VARCHAR,
Types.SMALLINT, Types.SMALLINT, Types.SMALLINT, Types.SMALLINT,
Types.SMALLINT, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR,
Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR })) {
fileTrigger.setCreateTime(fileTrigger.getLastUpdateTime());
sqlTemplate.update(
getSql("insertFileTriggerSql"),
new Object[] { fileTrigger.getBaseDir(), fileTrigger.isRecurse() ? 1 : 0,
fileTrigger.getIncludesFiles(), fileTrigger.getExcludesFiles(),
fileTrigger.isSyncOnCreate() ? 1 : 0,
fileTrigger.isSyncOnModified() ? 1 : 0,
fileTrigger.isSyncOnDelete() ? 1 : 0,
fileTrigger.isSyncOnCtlFile() ? 1 : 0,
fileTrigger.isDeleteAfterSync() ? 1 : 0,
fileTrigger.getBeforeCopyScript(), fileTrigger.getAfterCopyScript(),
fileTrigger.getLastUpdateBy(), fileTrigger.getLastUpdateTime(),
fileTrigger.getTriggerId(), fileTrigger.getCreateTime(),
fileTrigger.getChannelId(), fileTrigger.getReloadChannelId() },
new int[] { Types.VARCHAR, Types.SMALLINT, Types.VARCHAR, Types.VARCHAR,
Types.SMALLINT, Types.SMALLINT, Types.SMALLINT, Types.SMALLINT, Types.SMALLINT, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.TIMESTAMP, Types.VARCHAR,
Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR });
}
}
public void saveFileTriggerRouter(FileTriggerRouter fileTriggerRouter) {
fileTriggerRouter.setLastUpdateTime(new Date());
if (0 >= sqlTemplate.update(
getSql("updateFileTriggerRouterSql"),
new Object[] { fileTriggerRouter.isEnabled() ? 1 : 0,
fileTriggerRouter.isInitialLoadEnabled() ? 1 : 0,
fileTriggerRouter.getTargetBaseDir(),
fileTriggerRouter.getConflictStrategyString(),
fileTriggerRouter.getLastUpdateBy(), fileTriggerRouter.getLastUpdateTime(),
fileTriggerRouter.getFileTrigger().getTriggerId(),
fileTriggerRouter.getRouter().getRouterId() }, new int[] { Types.SMALLINT,
Types.SMALLINT, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR })) {
fileTriggerRouter.setCreateTime(fileTriggerRouter.getLastUpdateTime());
sqlTemplate.update(
getSql("insertFileTriggerRouterSql"),
new Object[] { fileTriggerRouter.isEnabled() ? 1 : 0,
fileTriggerRouter.isInitialLoadEnabled() ? 1 : 0,
fileTriggerRouter.getTargetBaseDir(),
fileTriggerRouter.getConflictStrategyString(),
fileTriggerRouter.getCreateTime(), fileTriggerRouter.getLastUpdateBy(),
fileTriggerRouter.getLastUpdateTime(),
fileTriggerRouter.getFileTrigger().getTriggerId(),
fileTriggerRouter.getRouter().getRouterId() }, new int[] {
Types.SMALLINT, Types.SMALLINT, Types.VARCHAR, Types.VARCHAR,
Types.TIMESTAMP, Types.VARCHAR, Types.TIMESTAMP, Types.VARCHAR,
Types.VARCHAR });
}
clearCache();
}
public void deleteFileTriggerRouter(String triggerId, String routerId) {
sqlTemplate.update(getSql("deleteFileTriggerRouterSql"), triggerId, routerId);
clearCache();
}
public void deleteAllFileTriggerRouters() {
sqlTemplate.update(getSql("deleteAllFileTriggerRoutersSql"));
clearCache();
}
public void deleteFileTriggerRouter(FileTriggerRouter fileTriggerRouter) {
sqlTemplate.update(getSql("deleteFileTriggerRouterSql"), (Object) fileTriggerRouter
.getFileTrigger().getTriggerId(), fileTriggerRouter.getRouter().getRouterId());
clearCache();
}
public void deleteFileTrigger(FileTrigger fileTrigger) {
sqlTemplate.update(getSql("deleteFileTriggerSql"), (Object) fileTrigger.getTriggerId());
}
public DirectorySnapshot getDirectorySnapshot(FileTriggerRouter fileTriggerRouter) {
return new DirectorySnapshot(fileTriggerRouter, sqlTemplate.query(
getSql("selectFileSnapshotSql"), new FileSnapshotMapper(), fileTriggerRouter
.getFileTrigger().getTriggerId(), fileTriggerRouter.getRouter()
.getRouterId()));
}
public DirectorySnapshot getDirectorySnapshot(FileTriggerRouter fileTriggerRouter, String relativeDir) {
return new DirectorySnapshot(fileTriggerRouter, sqlTemplate.query(
getSql("selectFileSnapshotSql", "relativeDirWhere"), new FileSnapshotMapper(), fileTriggerRouter
.getFileTrigger().getTriggerId(), fileTriggerRouter.getRouter()
.getRouterId(), relativeDir));
}
public void save(List<FileSnapshot> changes, boolean shouldIgnore) {
if (changes != null) {
ISqlTransaction sqlTransaction = null;
try {
sqlTransaction = sqlTemplate.startSqlTransaction();
if (shouldIgnore) {
engine.getSymmetricDialect().disableSyncTriggers(sqlTransaction, null);
}
for (FileSnapshot fileSnapshot : changes) {
save(sqlTransaction, fileSnapshot);
}
sqlTransaction.commit();
} catch (Error ex) {
if (sqlTransaction != null) {
sqlTransaction.rollback();
}
throw ex;
} catch (RuntimeException ex) {
if (sqlTransaction != null) {
sqlTransaction.rollback();
}
throw ex;
} finally {
if (shouldIgnore && sqlTransaction != null) {
engine.getSymmetricDialect().enableSyncTriggers(sqlTransaction);
}
close(sqlTransaction);
}
}
}
public void save(ISqlTransaction sqlTransaction, FileSnapshot snapshot) {
snapshot.setLastUpdateTime(new Date());
if (0 >= sqlTransaction.prepareAndExecute(
getSql("updateFileSnapshotSql"),
new Object[] { snapshot.getLastEventType().getCode(), snapshot.getCrc32Checksum(),
snapshot.getFileSize(), snapshot.getFileModifiedTime(),
snapshot.getLastUpdateTime(), snapshot.getLastUpdateBy(), snapshot.getChannelId(),
snapshot.getReloadChannelId(),
snapshot.getTriggerId(), snapshot.getRouterId(), snapshot.getRelativeDir(),
snapshot.getFileName() }, new int[] { Types.VARCHAR, Types.NUMERIC,
Types.NUMERIC, Types.NUMERIC, Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR })) {
snapshot.setCreateTime(snapshot.getLastUpdateTime());
sqlTransaction.prepareAndExecute(
getSql("insertFileSnapshotSql"),
new Object[] { snapshot.getLastEventType().getCode(),
snapshot.getCrc32Checksum(), snapshot.getFileSize(),
snapshot.getFileModifiedTime(), snapshot.getCreateTime(),
snapshot.getLastUpdateTime(), snapshot.getLastUpdateBy(), snapshot.getChannelId(),
snapshot.getReloadChannelId(),
snapshot.getTriggerId(), snapshot.getRouterId(),
snapshot.getRelativeDir(), snapshot.getFileName() }, new int[] {
Types.VARCHAR, Types.NUMERIC, Types.NUMERIC, Types.NUMERIC,
Types.TIMESTAMP, Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR });
}
// now that we have captured an update, delete the row for cleanup
if (snapshot.getLastEventType() == LastEventType.DELETE) {
sqlTransaction.prepareAndExecute(getSql("deleteFileSnapshotSql"), new Object[] {
snapshot.getTriggerId(), snapshot.getRouterId(), snapshot.getRelativeDir(),
snapshot.getFileName() }, new int[] { Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR });
}
}
synchronized public RemoteNodeStatuses pullFilesFromNodes(boolean force) {
CommunicationType communicationType = engine.getParameterService().is(ParameterConstants.NODE_OFFLINE) ?
CommunicationType.OFF_FSPULL : CommunicationType.FILE_PULL;
return queueJob(force,
parameterService.getLong(ParameterConstants.FILE_PULL_MINIMUM_PERIOD_MS, -1),
ClusterConstants.FILE_SYNC_PULL, communicationType);
}
synchronized public RemoteNodeStatuses pushFilesToNodes(boolean force) {
CommunicationType communicationType = engine.getParameterService().is(ParameterConstants.NODE_OFFLINE) ?
CommunicationType.OFF_FSPUSH : CommunicationType.FILE_PUSH;
return queueJob(force,
parameterService.getLong(ParameterConstants.FILE_PUSH_MINIMUM_PERIOD_MS, -1),
ClusterConstants.FILE_SYNC_PUSH, communicationType);
}
@Override
public Object[] getStagingPathComponents(OutgoingBatch fileSyncBatch) {
StringBuilder zipName = new StringBuilder(32);
zipName.append("filesync_").append(fileSyncBatch.getNodeBatchId()).append(".zip");
return new String[] {Constants.STAGING_CATEGORY_OUTGOING, fileSyncBatch.getNodeId(), zipName.toString()};
}
public List<OutgoingBatch> sendFiles(ProcessInfo processInfo, Node targetNode,
IOutgoingTransport outgoingTransport) {
List<OutgoingBatch> batchesToProcess = getBatchesToProcess(targetNode);
if (batchesToProcess.isEmpty()) {
return batchesToProcess;
}
IStagingManager stagingManager = engine.getStagingManager();
long maxBytesToSync = parameterService
.getLong(ParameterConstants.TRANSPORT_MAX_BYTES_TO_SYNC);
List<OutgoingBatch> processedBatches = new ArrayList<OutgoingBatch>();
OutgoingBatch currentBatch = null;
IStagedResource stagedResource = null;
IStagedResource previouslyStagedResource = null;
FileSyncZipDataWriter dataWriter = null;
try {
long syncedBytes = 0;
try {
for (int i = 0; i < batchesToProcess.size(); i++) {
currentBatch = batchesToProcess.get(i);
previouslyStagedResource = getStagedResource(currentBatch);
if (isWaitForExtractionRequired(currentBatch, previouslyStagedResource)
|| isFlushBatchesRequired(currentBatch, processedBatches, previouslyStagedResource)) {
// if we've already processed and staged some batches, send them now. The
// previously staged batch will have to wait for the next push/pull.
break;
}
if (previouslyStagedResource != null) {
log.debug("Using existing extraction for file sync batch {}", currentBatch.getNodeBatchId());
stagedResource = previouslyStagedResource;
} else {
if (dataWriter == null) {
stagedResource = stagingManager.create(
Constants.STAGING_CATEGORY_OUTGOING, processInfo.getSourceNodeId(),
targetNode.getNodeId(), "filesync.zip");
dataWriter = new FileSyncZipDataWriter(maxBytesToSync, this,
engine.getNodeService(), stagedResource, engine.getExtensionService(), engine.getConfigurationService());
}
log.debug("Extracting batch {} for filesync.", currentBatch.getNodeBatchId());
((DataExtractorService) engine.getDataExtractorService()).extractOutgoingBatch(
processInfo, targetNode, dataWriter, currentBatch, false, true,
DataExtractorService.ExtractMode.FOR_SYM_CLIENT, null);
}
processedBatches.add(currentBatch);
syncedBytes += stagedResource.getSize();
processInfo.incrementBatchCount();
processInfo.setCurrentBatchId(currentBatch.getBatchId());
log.debug("Processed file sync batch {}. syncedBytes={}, maxBytesToSync={}", currentBatch, syncedBytes, maxBytesToSync);
/*
* check to see if max bytes to sync has been reached and
* stop processing batches
*/
if (previouslyStagedResource != null || dataWriter.readyToSend()) {
break;
}
}
} finally {
if (dataWriter != null) {
dataWriter.finish();
}
}
processInfo.setStatus(ProcessInfo.ProcessStatus.TRANSFERRING);
for (OutgoingBatch outgoingBatch : processedBatches) {
outgoingBatch.setStatus(Status.SE);
}
engine.getOutgoingBatchService().updateOutgoingBatches(processedBatches);
try {
if (stagedResource != null && stagedResource.exists()) {
InputStream is = stagedResource.getInputStream();
try {
OutputStream os = outgoingTransport.openStream();
IOUtils.copy(is, os);
os.flush();
} catch (IOException e) {
throw new IoException(e);
}
}
for (int i = 0; i < batchesToProcess.size(); i++) {
batchesToProcess.get(i).setStatus(Status.LD);
}
engine.getOutgoingBatchService().updateOutgoingBatches(batchesToProcess);
} finally {
if (stagedResource != null) {
stagedResource.close();
}
}
} catch (RuntimeException e) {
if (stagedResource == previouslyStagedResource) { // on error, don't let the load extract be deleted.
stagedResource = null;
}
if (currentBatch != null) {
engine.getStatisticManager().incrementDataExtractedErrors(
currentBatch.getChannelId(), 1);
currentBatch.setSqlMessage(ExceptionUtils.getRootMessage(e));
currentBatch.revertStatsOnError();
if (currentBatch.getStatus() != Status.IG) {
currentBatch.setStatus(Status.ER);
}
currentBatch.setErrorFlag(true);
engine.getOutgoingBatchService().updateOutgoingBatch(currentBatch);
if (isStreamClosedByClient(e)) {
log.warn(
"Failed to extract file sync batch {}. The stream was closed by the client. The error was: {}",
currentBatch, ExceptionUtils.getRootMessage(e));
} else {
log.error("Failed to extract file sync batch " + currentBatch, e);
}
} else {
log.error("Could not log the outgoing batch status because the batch was null", e);
}
throw e;
} finally {
if (stagedResource != null) {
stagedResource.delete();
}
}
return processedBatches;
}
private boolean isFlushBatchesRequired(OutgoingBatch currentBatch, List<OutgoingBatch> processedBatches, IStagedResource previouslyStagedResource) {
// if we staged some on the fly and now come across a previously staged batch, need to flush the ones in flight.
boolean isFlushBatchesRequred = previouslyStagedResource != null && !processedBatches.isEmpty();
if (isFlushBatchesRequred) {
log.info("Batch will be sent on the next sync. {} Need to flush newly staged file sync batches now.", currentBatch.getNodeBatchId());
}
return isFlushBatchesRequred;
}
private boolean isWaitForExtractionRequired(OutgoingBatch currentBatch, IStagedResource previouslyStagedResource) {
Channel channel = this.engine.getConfigurationService().getChannel(currentBatch.getChannelId());
if (previouslyStagedResource == null
&& channel.isReloadFlag()
&& parameterService.is(ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB)) {
if (currentBatch.getStatus() == OutgoingBatch.Status.RQ) {
// if this is a reload that isn't extracted yet, we need to defer to the extract job.
log.info("Batch needs to be extracted by the extact job {}", currentBatch.getNodeBatchId());
} else {
// it's possible there was an error and staging was cleared, so we need to re-request extraction here.
log.info("Batch has status of '{}' but is not extracted. Requesting re-extract for batch: {}",
currentBatch.getStatus(), currentBatch.getNodeBatchId());
engine.getDataExtractorService().resetExtractRequest(currentBatch);
}
return true;
} else {
return false;
}
}
protected List<OutgoingBatch> getBatchesToProcess(Node targetNode) {
List<OutgoingBatch> batchesToProcess = new ArrayList<OutgoingBatch>();
List<Channel> fileSyncChannels = engine.getConfigurationService().getFileSyncChannels();
OutgoingBatches batches = engine.getOutgoingBatchService().getOutgoingBatches(
targetNode.getNodeId(), false);
for (Channel channel : fileSyncChannels) {
batchesToProcess.addAll(batches.filterBatchesForChannel(channel));
}
return batchesToProcess;
}
public void acknowledgeFiles(OutgoingBatch outgoingBatch) {
log.debug("Acknowledging file_sync outgoing batch-{}", outgoingBatch.getBatchId());
List<File> filesToDelete = new ArrayList<File>();
Table snapshotTable = platform.getTableFromCache(
TableConstants.getTableName(tablePrefix, TableConstants.SYM_FILE_SNAPSHOT), false);
ISqlReadCursor<Data> cursor = engine.getDataService().selectDataFor(
outgoingBatch.getBatchId(), outgoingBatch.getChannelId());
Data data = cursor.next();
while (data != null) {
if (data.getDataEventType() == DataEventType.INSERT || data.getDataEventType() == DataEventType.UPDATE) {
Map<String, String> columnData = data.toColumnNameValuePairs(
snapshotTable.getColumnNames(), CsvData.ROW_DATA);
FileSnapshot fileSnapshot = new FileSnapshot();
fileSnapshot.setTriggerId(columnData.get("TRIGGER_ID"));
fileSnapshot.setRouterId(columnData.get("ROUTER_ID"));
fileSnapshot.setFileModifiedTime(Long.parseLong(columnData
.get("FILE_MODIFIED_TIME")));
fileSnapshot.setFileName(columnData.get("FILE_NAME"));
fileSnapshot.setRelativeDir(columnData.get("RELATIVE_DIR"));
fileSnapshot.setLastEventType(LastEventType.fromCode(columnData
.get("LAST_EVENT_TYPE")));
FileTriggerRouter triggerRouter = this.getFileTriggerRouter(
fileSnapshot.getTriggerId(), fileSnapshot.getRouterId(), false);
if (triggerRouter != null) {
FileTrigger fileTrigger = triggerRouter.getFileTrigger();
if (fileTrigger.isDeleteAfterSync()) {
File file = fileTrigger.createSourceFile(fileSnapshot);
if (!file.isDirectory()) {
filesToDelete.add(file);
if (fileTrigger.isSyncOnCtlFile()) {
filesToDelete.add(this.getControleFile(file));
}
}
}
else if (parameterService.is(ParameterConstants.FILE_SYNC_DELETE_CTL_FILE_AFTER_SYNC, false)) {
File file = fileTrigger.createSourceFile(fileSnapshot);
if (!file.isDirectory()) {
if (fileTrigger.isSyncOnCtlFile()) {
filesToDelete.add(this.getControleFile(file));
}
}
}
}
}
data = cursor.next();
}
if (cursor != null) {
cursor.close();
cursor = null;
}
if (filesToDelete != null && filesToDelete.size() > 0) {
for (File file : filesToDelete) {
if (file != null && file.exists()) {
log.debug("Deleting the '{}' file", file.getAbsolutePath());
boolean deleted = FileUtils.deleteQuietly(file);
if (!deleted) {
log.warn("Failed to 'delete on sync' the {} file", file.getAbsolutePath());
}
}
file = null;
}
filesToDelete = null;
}
}
public void loadFilesFromPush(String nodeId, InputStream in, OutputStream out) {
INodeService nodeService = engine.getNodeService();
Node local = nodeService.findIdentity();
Node sourceNode = nodeService.findNode(nodeId, true);
if (local != null && sourceNode != null) {
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(nodeId, local.getNodeId(),
ProcessType.FILE_SYNC_PUSH_HANDLER));
try {
List<IncomingBatch> list = processZip(in, nodeId, processInfo);
NodeSecurity security = nodeService.findNodeSecurity(local.getNodeId(), true);
processInfo.setStatus(ProcessInfo.ProcessStatus.ACKING);
engine.getTransportManager().writeAcknowledgement(out, sourceNode, list, local,
security != null ? security.getNodePassword() : null);
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
} catch (Throwable e) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
if (e instanceof IOException) {
throw new IoException((IOException) e);
} else if (e instanceof RuntimeException) {
throw (RuntimeException) e;
} else {
throw new RuntimeException(e);
}
}
} else {
throw new SymmetricException("Could not load data because the node is not registered");
}
}
protected IStagedResource getStagedResource(OutgoingBatch currentBatch) {
IStagedResource stagedResource = engine.getStagingManager().find(getStagingPathComponents(currentBatch));
if (stagedResource != null && stagedResource.getState() == State.DONE) {
return stagedResource;
} else {
return null;
}
}
public void execute(NodeCommunication nodeCommunication, RemoteNodeStatus status) {
Node identity = engine.getNodeService().findIdentity();
if (identity != null) {
NodeSecurity security = engine.getNodeService().findNodeSecurity(identity.getNodeId(), true);
if (security != null) {
if (nodeCommunication.getCommunicationType() == CommunicationType.FILE_PULL
|| nodeCommunication.getCommunicationType() == CommunicationType.OFF_FSPULL) {
pullFilesFromNode(nodeCommunication, status, identity, security);
} else if (nodeCommunication.getCommunicationType() == CommunicationType.FILE_PUSH
|| nodeCommunication.getCommunicationType() == CommunicationType.OFF_FSPUSH) {
pushFilesToNode(nodeCommunication, status, identity, security);
}
}
}
}
protected void pushFilesToNode(NodeCommunication nodeCommunication, RemoteNodeStatus status,
Node identity, NodeSecurity security) {
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(nodeCommunication.getNodeId(), identity.getNodeId(),
ProcessType.FILE_SYNC_PUSH_JOB));
IOutgoingWithResponseTransport transport = null;
ITransportManager transportManager = null;
try {
if (!engine.getParameterService().is(ParameterConstants.NODE_OFFLINE)) {
transportManager = engine.getTransportManager();
transport = transportManager.getFilePushTransport(
nodeCommunication.getNode(), identity, security.getNodePassword(),
parameterService.getRegistrationUrl());
} else {
transportManager = ((AbstractSymmetricEngine)engine).getOfflineTransportManager();
transport = transportManager.getFilePushTransport(
nodeCommunication.getNode(), identity, security.getNodePassword(),
parameterService.getRegistrationUrl());
}
List<OutgoingBatch> batches = sendFiles(processInfo, nodeCommunication.getNode(),
transport);
if (batches.size() > 0) {
if (transport instanceof FileOutgoingTransport) {
((FileOutgoingTransport) transport).setProcessedBatches(batches);
}
List<BatchAck> batchAcks = readAcks(batches, transport,
transportManager, engine.getAcknowledgeService(), null);
status.updateOutgoingStatus(batches, batchAcks);
}
if (!status.failed() && batches.size() > 0) {
log.info("Pushed files to {}. {} files and {} batches were processed",
new Object[] { nodeCommunication.getNodeId(), status.getDataProcessed(),
status.getBatchesProcessed()});
} else if (status.failed()) {
log.info("There was a failure while pushing files to {}. {} files and {} batches were processed",
new Object[] { nodeCommunication.getNodeId(), status.getDataProcessed(),
status.getBatchesProcessed()});
}
} catch (Exception e) {
fireOffline(e, nodeCommunication.getNode(), status);
} finally {
if (processInfo.getStatus() != ProcessInfo.ProcessStatus.ERROR) {
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
}
if (transport != null) {
transport.close();
if (transport instanceof FileOutgoingTransport) {
((FileOutgoingTransport) transport).complete(processInfo.getStatus() == ProcessInfo.ProcessStatus.OK);
}
}
}
}
protected List<IncomingBatch> processZip(InputStream is, String sourceNodeId,
ProcessInfo processInfo) throws IOException {
File unzipDir = new File(parameterService.getTempDirectory(), String.format(
"filesync_incoming/%s/%s", engine.getNodeService().findIdentityNodeId(),
sourceNodeId));
FileUtils.deleteDirectory(unzipDir);
unzipDir.mkdirs();
try {
AppUtils.unzip(is, unzipDir);
} catch (IoException ex) {
if (ex.toString().contains("EOFException")) { // This happens on Android, when there is an empty zip.
//log.debug("Caught exception while unzipping.", ex);
} else {
throw ex;
}
}
Set<Long> batchIds = new TreeSet<Long>();
String[] files = unzipDir.list(DirectoryFileFilter.INSTANCE);
if (files != null) {
for (int i = 0; i < files.length; i++) {
try {
batchIds.add(Long.parseLong(files[i]));
} catch (NumberFormatException e) {
log.error(
"Unexpected directory name. Expected a number representing a batch id. Instead the directory was named '{}'",
files[i]);
}
}
}
List<IncomingBatch> batchesProcessed = new ArrayList<IncomingBatch>();
IIncomingBatchService incomingBatchService = engine.getIncomingBatchService();
processInfo.setStatus(ProcessInfo.ProcessStatus.LOADING);
for (Long batchId : batchIds) {
processInfo.setCurrentBatchId(batchId);
processInfo.incrementBatchCount();
File batchDir = new File(unzipDir, Long.toString(batchId));
IncomingBatch incomingBatch = new IncomingBatch();
File batchInfo = new File(batchDir, "batch-info.txt");
if (batchInfo.exists()) {
List<String> info = FileUtils.readLines(batchInfo);
if (info != null && info.size() > 0) {
incomingBatch.setChannelId(info.get(0).trim());
} else {
incomingBatch.setChannelId(Constants.CHANNEL_FILESYNC);
}
} else {
incomingBatch.setChannelId(Constants.CHANNEL_FILESYNC);
}
incomingBatch.setBatchId(batchId);
incomingBatch.setStatus(IncomingBatch.Status.LD);
incomingBatch.setNodeId(sourceNodeId);
incomingBatch.setByteCount(FileUtils.sizeOfDirectory(batchDir));
batchesProcessed.add(incomingBatch);
if (incomingBatchService.acquireIncomingBatch(incomingBatch)) {
File syncScript = new File(batchDir, "sync.bsh");
if (syncScript.exists()) {
String script = FileUtils.readFileToString(syncScript);
Interpreter interpreter = new Interpreter();
boolean isLocked = false;
try {
setInterpreterVariables(engine, sourceNodeId, batchDir, interpreter);
long waitMillis = getParameterService().getLong(
ParameterConstants.FILE_SYNC_LOCK_WAIT_MS);
log.debug("The {} node is attempting to get shared lock for to update incoming status", sourceNodeId);
isLocked = engine.getClusterService().lock(
ClusterConstants.FILE_SYNC_SHARED, ClusterConstants.TYPE_SHARED,
waitMillis);
if (isLocked) {
log.debug("The {} node got a shared file sync lock", sourceNodeId);
@SuppressWarnings("unchecked")
Map<String, String> filesToEventType = (Map<String, String>) interpreter
.eval(script);
if (engine.getParameterService().is(ParameterConstants.FILE_SYNC_PREVENT_PING_BACK)) {
updateFileIncoming(sourceNodeId, filesToEventType);
}