/
RouterService.java
1239 lines (1123 loc) · 63.9 KB
/
RouterService.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 static org.apache.commons.lang.StringUtils.isNotBlank;
import static org.jumpmind.symmetric.common.Constants.LOG_PROCESS_SUMMARY_THRESHOLD;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.Row;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.SymmetricException;
import org.jumpmind.symmetric.SyntaxParsingException;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.common.ContextConstants;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.load.DefaultReloadGenerator;
import org.jumpmind.symmetric.load.IReloadGenerator;
import org.jumpmind.symmetric.model.AbstractBatch.Status;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.Data;
import org.jumpmind.symmetric.model.DataGap;
import org.jumpmind.symmetric.model.DataMetaData;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeChannel;
import org.jumpmind.symmetric.model.NodeGroupLink;
import org.jumpmind.symmetric.model.NodeGroupLinkAction;
import org.jumpmind.symmetric.model.NodeSecurity;
import org.jumpmind.symmetric.model.OutgoingBatch;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfoKey;
import org.jumpmind.symmetric.model.ProcessType;
import org.jumpmind.symmetric.model.Router;
import org.jumpmind.symmetric.model.TableReloadRequest;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerRouter;
import org.jumpmind.symmetric.route.AbstractFileParsingRouter;
import org.jumpmind.symmetric.route.AuditTableDataRouter;
import org.jumpmind.symmetric.route.BshDataRouter;
import org.jumpmind.symmetric.route.CSVRouter;
import org.jumpmind.symmetric.route.ChannelRouterContext;
import org.jumpmind.symmetric.route.ColumnMatchDataRouter;
import org.jumpmind.symmetric.route.ConfigurationChangedDataRouter;
import org.jumpmind.symmetric.route.DBFRouter;
import org.jumpmind.symmetric.route.DataGapDetector;
import org.jumpmind.symmetric.route.DataGapFastDetector;
import org.jumpmind.symmetric.route.DataGapRouteReader;
import org.jumpmind.symmetric.route.DefaultBatchAlgorithm;
import org.jumpmind.symmetric.route.DefaultDataRouter;
import org.jumpmind.symmetric.route.DelayRoutingException;
import org.jumpmind.symmetric.route.FileSyncDataRouter;
import org.jumpmind.symmetric.route.IBatchAlgorithm;
import org.jumpmind.symmetric.route.IDataRouter;
import org.jumpmind.symmetric.route.IDataToRouteReader;
import org.jumpmind.symmetric.route.LookupTableDataRouter;
import org.jumpmind.symmetric.route.NonTransactionalBatchAlgorithm;
import org.jumpmind.symmetric.route.SimpleRouterContext;
import org.jumpmind.symmetric.route.SubSelectDataRouter;
import org.jumpmind.symmetric.route.TPSRouter;
import org.jumpmind.symmetric.route.TransactionalBatchAlgorithm;
import org.jumpmind.symmetric.service.ClusterConstants;
import org.jumpmind.symmetric.service.IConfigurationService;
import org.jumpmind.symmetric.service.IDataService;
import org.jumpmind.symmetric.service.IExtensionService;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.IRouterService;
import org.jumpmind.symmetric.service.ITriggerRouterService;
import org.jumpmind.symmetric.statistic.StatisticConstants;
import org.jumpmind.util.FormatUtils;
/**
* @see IRouterService
*/
public class RouterService extends AbstractService implements IRouterService {
final int MAX_LOGGING_LENGTH = 512;
protected Map<String, Boolean> commonBatchesLastKnownState = new HashMap<String, Boolean>();
protected long commonBatchesCacheTime;
protected Map<String, Boolean> defaultRouterOnlyLastKnownState = new HashMap<String, Boolean>();
protected long defaultRoutersCacheTime;
protected transient ExecutorService readThread = null;
protected ISymmetricEngine engine;
protected IExtensionService extensionService;
protected DataGapDetector gapDetector;
protected boolean syncTriggersBeforeInitialLoadAttempted = false;
protected boolean firstTimeCheck = true;
public RouterService(ISymmetricEngine engine) {
super(engine.getParameterService(), engine.getSymmetricDialect());
this.engine = engine;
this.extensionService = engine.getExtensionService();
extensionService.addExtensionPoint(DefaultBatchAlgorithm.NAME, new DefaultBatchAlgorithm());
extensionService.addExtensionPoint(NonTransactionalBatchAlgorithm.NAME, new NonTransactionalBatchAlgorithm());
extensionService.addExtensionPoint(TransactionalBatchAlgorithm.NAME, new TransactionalBatchAlgorithm());
extensionService.addExtensionPoint(ConfigurationChangedDataRouter.ROUTER_TYPE, new ConfigurationChangedDataRouter(engine));
extensionService.addExtensionPoint("bsh", new BshDataRouter(engine));
extensionService.addExtensionPoint("subselect", new SubSelectDataRouter(symmetricDialect));
extensionService.addExtensionPoint("lookuptable", new LookupTableDataRouter(symmetricDialect));
extensionService.addExtensionPoint("default", new DefaultDataRouter());
extensionService.addExtensionPoint("audit", new AuditTableDataRouter(engine));
extensionService.addExtensionPoint("column", new ColumnMatchDataRouter(engine.getConfigurationService(),
engine.getSymmetricDialect()));
extensionService.addExtensionPoint(FileSyncDataRouter.ROUTER_TYPE, new FileSyncDataRouter(engine));
extensionService.addExtensionPoint("dbf", new DBFRouter(engine));
extensionService.addExtensionPoint("tps", new TPSRouter(engine));
extensionService.addExtensionPoint("csv", new CSVRouter(engine));
extensionService.addExtensionPoint(DefaultReloadGenerator.NAME, new DefaultReloadGenerator(engine));
setSqlMap(new RouterServiceSqlMap(symmetricDialect.getPlatform(),
createSqlReplacementTokens()));
}
/**
* For use in data load events
*/
public boolean shouldDataBeRouted(SimpleRouterContext context, DataMetaData dataMetaData,
Node node, boolean initialLoad, boolean initialLoadSelectUsed, TriggerRouter triggerRouter) {
IDataRouter router = getDataRouter(dataMetaData.getRouter());
Set<Node> oneNodeSet = new HashSet<Node>(1);
oneNodeSet.add(node);
Collection<String> nodeIds = router.routeToNodes(context, dataMetaData, oneNodeSet, initialLoad,
initialLoadSelectUsed, triggerRouter);
return nodeIds != null && nodeIds.contains(node.getNodeId());
}
public synchronized void stop() {
if (readThread != null) {
try {
log.info("RouterService is shutting down");
readThread.shutdown();
readThread = null;
} catch (Exception ex) {
log.error("", ex);
}
}
}
/**
* This method will route data to specific nodes.
*/
synchronized public long routeData(boolean force) {
long dataCount = -1l;
Node identity = engine.getNodeService().findIdentity();
if (identity != null) {
if (force || engine.getClusterService().lock(ClusterConstants.ROUTE)) {
try {
if (firstTimeCheck) {
engine.getOutgoingBatchService().updateAbandonedRoutingBatches();
if (engine.getDataService().fixLastDataGap()) {
engine.getContextService().save(ContextConstants.ROUTING_FULL_GAP_ANALYSIS, Boolean.TRUE.toString());
}
firstTimeCheck = false;
}
if (gapDetector == null) {
if (parameterService.is(ParameterConstants.ROUTING_USE_FAST_GAP_DETECTOR)) {
gapDetector = new DataGapFastDetector(engine.getDataService(), parameterService, engine.getContextService(),
symmetricDialect, this, engine.getStatisticManager(), engine.getNodeService());
} else {
gapDetector = new DataGapDetector(engine.getDataService(), parameterService, symmetricDialect,
this, engine.getStatisticManager(), engine.getNodeService());
}
}
insertInitialLoadEvents();
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
long ts = System.currentTimeMillis();
gapDetector.beforeRouting();
dataCount = routeDataForEachChannel();
ts = System.currentTimeMillis() - ts;
if (dataCount > 0 || ts > Constants.LONG_OPERATION_THRESHOLD) {
log.info("Routed {} data events in {} ms", dataCount, ts);
}
if (dataCount > 0) {
gapDetector.afterRouting();
}
} finally {
if (!force) {
engine.getClusterService().unlock(ClusterConstants.ROUTE);
}
}
}
}
return dataCount;
}
/**
* If a load has been queued up by setting the initial load enabled or
* reverse initial load enabled flags, then the router service will insert
* the reload events. This process will not run at the same time sync
* triggers is running.
*/
protected void insertInitialLoadEvents() {
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(engine.getNodeService().findIdentityNodeId(), null,
ProcessType.INSERT_LOAD_EVENTS));
processInfo.setStatus(ProcessInfo.ProcessStatus.PROCESSING);
try {
INodeService nodeService = engine.getNodeService();
IDataService dataService = engine.getDataService();
ITriggerRouterService triggerRouterService = engine.getTriggerRouterService();
Node identity = nodeService.findIdentity();
if (identity != null) {
boolean isClusteringEnabled = parameterService.is(ParameterConstants.CLUSTER_LOCKING_ENABLED);
NodeSecurity identitySecurity = nodeService.findNodeSecurity(identity.getNodeId(), !isClusteringEnabled);
if (engine.getParameterService().isRegistrationServer()
|| (identitySecurity != null && !identitySecurity.isRegistrationEnabled() && identitySecurity
.getRegistrationTime() != null)) {
List<NodeSecurity> nodeSecurities = findNodesThatAreReadyForInitialLoad();
Map<String, List<TriggerRouter>> triggerRoutersByTargetNodeGroupId = new HashMap<String, List<TriggerRouter>>();
if (nodeSecurities != null && nodeSecurities.size() > 0) {
gapDetector.setFullGapAnalysis(true);
boolean reverseLoadFirst = parameterService
.is(ParameterConstants.INITIAL_LOAD_REVERSE_FIRST);
boolean isInitialLoadQueued = false;
for (NodeSecurity security : nodeSecurities) {
Node targetNode = engine.getNodeService().findNode(security.getNodeId());
List<TriggerHistory> activeHistories = extensionService.getExtensionPoint(IReloadGenerator.class).getActiveTriggerHistories(targetNode);
if (activeHistories.size() > 0) {
boolean thisMySecurityRecord = security.getNodeId().equals(
identity.getNodeId());
boolean reverseLoadQueued = security.isRevInitialLoadEnabled();
boolean initialLoadQueued = security.isInitialLoadEnabled();
boolean registered = security.getRegistrationTime() != null;
if (thisMySecurityRecord && reverseLoadQueued
&& (reverseLoadFirst || !initialLoadQueued)) {
sendReverseInitialLoad(processInfo);
} else if (!thisMySecurityRecord && registered && initialLoadQueued
&& (!reverseLoadFirst || !reverseLoadQueued)) {
long ts = System.currentTimeMillis();
List<TriggerRouter> triggerRouters = triggerRoutersByTargetNodeGroupId.get(targetNode.getNodeGroupId());
if (triggerRouters == null) {
triggerRouters = triggerRouterService.getAllTriggerRoutersForReloadForCurrentNode(parameterService.getNodeGroupId(), targetNode.getNodeGroupId());
triggerRoutersByTargetNodeGroupId.put(targetNode.getNodeGroupId(), triggerRouters);
}
dataService.insertReloadEvents(
targetNode,
false, processInfo, activeHistories, triggerRouters);
isInitialLoadQueued = true;
ts = System.currentTimeMillis() - ts;
if (ts > Constants.LONG_OPERATION_THRESHOLD) {
log.warn("Inserted reload events for node {} took longer than expected. It took {} ms",
security.getNodeId(), ts);
} else {
log.info("Inserted reload events for node {} in {} ms",
security.getNodeId(), ts);
}
}
} else {
List<NodeGroupLink> links = engine.getConfigurationService()
.getNodeGroupLinksFor(parameterService.getNodeGroupId(),
false);
if (links == null || links.size() == 0) {
log.warn(
"Could not queue up a load for {} because a node group link is NOT configured over which a load could be delivered",
security.getNodeId());
} else {
log.warn(
"Could not queue up a load for {} because sync triggers has not yet run",
security.getNodeId());
if (!syncTriggersBeforeInitialLoadAttempted) {
syncTriggersBeforeInitialLoadAttempted = true;
engine.getTriggerRouterService().syncTriggers();
}
}
}
}
if (isInitialLoadQueued) {
gapDetector.setFullGapAnalysis(true);
}
}
processTableRequestLoads(identity, processInfo, triggerRoutersByTargetNodeGroupId);
}
}
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
} catch (Exception ex) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
log.error("", ex);
}
}
public void processTableRequestLoads(Node source, ProcessInfo processInfo, Map<String, List<TriggerRouter>> triggerRoutersByTargetNodeGroupId) {
List<TableReloadRequest> loadsToProcess = engine.getDataService().getTableReloadRequestToProcess(source.getNodeId());
if (loadsToProcess.size() > 0) {
processInfo.setStatus(ProcessInfo.ProcessStatus.CREATING);
log.info("Found " + loadsToProcess.size() + " table reload requests to process.");
gapDetector.setFullGapAnalysis(true);
boolean useExtractJob = parameterService.is(ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB, true);
boolean streamToFile = parameterService.is(ParameterConstants.STREAM_TO_FILE_ENABLED, false);
Map<String, List<TableReloadRequest>> requestsSplitByLoad = new HashMap<String, List<TableReloadRequest>>();
for (TableReloadRequest load : loadsToProcess) {
Node targetNode = engine.getNodeService().findNode(load.getTargetNodeId());
if (!useExtractJob || streamToFile) {
if (load.isFullLoadRequest() && isValidLoadTarget(load.getTargetNodeId())) {
List<TableReloadRequest> fullLoad = new ArrayList<TableReloadRequest>();
fullLoad.add(load);
List<TriggerRouter> triggerRouters = engine.getTriggerRouterService()
.getAllTriggerRoutersForReloadForCurrentNode(parameterService.getNodeGroupId(), targetNode.getNodeGroupId());
List<TriggerHistory> activeHistories = extensionService.getExtensionPoint(IReloadGenerator.class)
.getActiveTriggerHistories(targetNode);
engine.getDataService().insertReloadEvents(targetNode, false, fullLoad, processInfo, activeHistories, triggerRouters);
} else {
NodeSecurity targetNodeSecurity = engine.getNodeService().findNodeSecurity(load.getTargetNodeId());
boolean registered = targetNodeSecurity != null && (targetNodeSecurity.getRegistrationTime() != null
|| targetNodeSecurity.getNodeId().equals(targetNodeSecurity.getCreatedAtNodeId()));
if (registered) {
// Make loads unique to the target and create time
String key = load.getTargetNodeId() + "::" + load.getCreateTime().toString();
if (!requestsSplitByLoad.containsKey(key)) {
requestsSplitByLoad.put(key, new ArrayList<TableReloadRequest>());
}
requestsSplitByLoad.get(key).add(load);
} else {
log.warn("There was a load queued up for '{}', but the node is not registered. It is being ignored",
load.getTargetNodeId());
}
}
} else {
throw new SymmetricException(String.format("Node '%s' can't process load for '%s' because of confilcting parameters: %s=%s and %s=%s",
source.getNodeId(), load.getTargetNodeId(), ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB, useExtractJob, ParameterConstants.STREAM_TO_FILE_ENABLED,
streamToFile));
}
}
for (Map.Entry<String, List<TableReloadRequest>> entry : requestsSplitByLoad.entrySet()) {
Node targetNode = engine.getNodeService().findNode(entry.getKey().split("::")[0]);
ITriggerRouterService triggerRouterService = engine.getTriggerRouterService();
List<TriggerRouter> triggerRouters = triggerRoutersByTargetNodeGroupId.get(targetNode.getNodeGroupId());
if (triggerRouters == null) {
triggerRouters = triggerRouterService.getAllTriggerRoutersForReloadForCurrentNode(parameterService.getNodeGroupId(), targetNode.getNodeGroupId());
triggerRoutersByTargetNodeGroupId.put(targetNode.getNodeGroupId(), triggerRouters);
}
List<TriggerHistory> activeHistories = extensionService.getExtensionPoint(IReloadGenerator.class).getActiveTriggerHistories(targetNode);
engine.getDataService().insertReloadEvents(
targetNode,
false, entry.getValue(), processInfo, activeHistories, triggerRouters);
}
}
}
public boolean isValidLoadTarget(String targetNodeId) {
boolean result = false;
NodeSecurity targetNodeSecurity = engine.getNodeService().findNodeSecurity(targetNodeId);
boolean reverseLoadFirst = parameterService.is(ParameterConstants.INITIAL_LOAD_REVERSE_FIRST);
boolean registered = targetNodeSecurity.getRegistrationTime() != null;
boolean reverseLoadQueued = targetNodeSecurity.isRevInitialLoadEnabled();
if (registered && (!reverseLoadFirst || !reverseLoadQueued)) {
result = true;
} else {
log.info("Unable to process load for target node id " + targetNodeId + " [registered: " + registered
+ ", reverse load first: " + reverseLoadFirst + ", reverse load queued: " + reverseLoadQueued
+ "]");
}
return result;
}
@Override
public int countNodesThatHaveReloadsQueuedUp() {
Set<String> nodeIds = new HashSet<>();
IDataService dataService = engine.getDataService();
INodeService nodeService = engine.getNodeService();
String me = nodeService.findIdentityNodeId();
List<TableReloadRequest> toProcess = dataService.getTableReloadRequestToProcess(me);
for (TableReloadRequest tableReloadRequest : toProcess) {
nodeIds.add(tableReloadRequest.getTargetNodeId());
}
List<NodeSecurity> nodes = findNodesThatAreReadyForInitialLoad();
for (NodeSecurity nodeSecurity : nodes) {
nodeIds.add(nodeSecurity.getNodeId());
}
return nodeIds.size();
}
public List<NodeSecurity> findNodesThatAreReadyForInitialLoad() {
INodeService nodeService = engine.getNodeService();
IConfigurationService configurationService = engine.getConfigurationService();
String me = nodeService.findIdentityNodeId();
List<NodeSecurity> toReturn = new ArrayList<NodeSecurity>();
List<NodeSecurity> securities = nodeService.findNodeSecurityWithLoadEnabled();
for (NodeSecurity nodeSecurity : securities) {
if (((!nodeSecurity.getNodeId().equals(me)
&& nodeSecurity
.isInitialLoadEnabled())
|| (!nodeSecurity.getNodeId().equals(me) && configurationService
.isMasterToMaster()) || (nodeSecurity.getNodeId().equals(me) && nodeSecurity
.isRevInitialLoadEnabled()))) {
toReturn.add(nodeSecurity);
}
}
return toReturn;
}
protected void sendReverseInitialLoad(ProcessInfo processInfo) {
INodeService nodeService = engine.getNodeService();
boolean queuedLoad = false;
List<Node> nodes = new ArrayList<Node>();
nodes.addAll(nodeService.findTargetNodesFor(NodeGroupLinkAction.P));
nodes.addAll(nodeService.findTargetNodesFor(NodeGroupLinkAction.W));
for (Node node : nodes) {
engine.getDataService().insertReloadEvents(node, true, processInfo);
queuedLoad = true;
}
if (!queuedLoad) {
log.info("{} was enabled but no nodes were linked to load",
ParameterConstants.AUTO_RELOAD_REVERSE_ENABLED);
}
}
/**
* We route data channel by channel for two reasons. One is that if/when we
* decide to multi-thread the routing it is a simple matter of inserting a
* thread pool here and waiting for all channels to be processed. The other
* reason is to reduce the number of connections we are required to have.
*/
protected int routeDataForEachChannel() {
int dataCount = 0;
Node sourceNode = engine.getNodeService().findIdentity();
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(sourceNode.getNodeId(), null, ProcessType.ROUTER_JOB));
processInfo.setStatus(ProcessInfo.ProcessStatus.PROCESSING);
try {
final List<NodeChannel> channels = engine.getConfigurationService().getNodeChannels(false);
Set<String> readyChannels = null;
if (parameterService.is(ParameterConstants.ROUTING_QUERY_CHANNELS_FIRST)) {
readyChannels = getReadyChannels();
}
for (NodeChannel nodeChannel : channels) {
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
if (nodeChannel.isEnabled() && (readyChannels == null || readyChannels.contains(nodeChannel.getChannelId()))) {
processInfo.setCurrentChannelId(nodeChannel.getChannelId());
dataCount += routeDataForChannel(processInfo, nodeChannel, sourceNode);
} else if (!nodeChannel.isEnabled()) {
gapDetector.setIsAllDataRead(false);
if (log.isDebugEnabled()) {
log.debug("Not routing the {} channel. It is either disabled or suspended.", nodeChannel.getChannelId());
}
}
}
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
} catch (RuntimeException ex) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
firstTimeCheck = true;
throw ex;
}
return dataCount;
}
protected Set<String> getReadyChannels() {
List<DataGap> dataGaps = gapDetector.getDataGaps();
int dataIdSqlType = engine.getSymmetricDialect().getSqlTypeForIds();
int numberOfGapsToQualify = parameterService.getInt(ParameterConstants.ROUTING_MAX_GAPS_TO_QUALIFY_IN_SQL, 100);
int maxGapsBeforeGreaterThanQuery = parameterService.getInt(
ParameterConstants.ROUTING_DATA_READER_THRESHOLD_GAPS_TO_USE_GREATER_QUERY, 100);
String sql;
Object[] args;
int[] types;
if (maxGapsBeforeGreaterThanQuery > 0 && dataGaps.size() > maxGapsBeforeGreaterThanQuery) {
sql = getSql("selectChannelsUsingStartDataId");
args = new Object[] { dataGaps.get(0).getStartId() };
types = new int[] { dataIdSqlType };
} else {
sql = qualifyUsingDataGaps(dataGaps, numberOfGapsToQualify, getSql("selectChannelsUsingGapsSql"));
int numberOfArgs = 2 * (numberOfGapsToQualify < dataGaps.size() ? numberOfGapsToQualify : dataGaps.size());
args = new Object[numberOfArgs];
types = new int[numberOfArgs];
for (int i = 0; i < numberOfGapsToQualify && i < dataGaps.size(); i++) {
DataGap gap = dataGaps.get(i);
args[i * 2] = gap.getStartId();
types[i * 2] = dataIdSqlType;
if ((i + 1) == numberOfGapsToQualify && (i + 1) < dataGaps.size()) {
args[i * 2 + 1] = dataGaps.get(dataGaps.size() - 1).getEndId();
} else {
args[i * 2 + 1] = gap.getEndId();
}
types[i * 2 + 1] = dataIdSqlType;
}
}
final Set<String> readyChannels = new HashSet<String>();
sqlTemplateDirty.query(sql, new ISqlRowMapper<String>() {
public String mapRow(Row row) {
readyChannels.add(row.getString("channel_id"));
return null;
}
}, args, types);
return readyChannels;
}
protected String qualifyUsingDataGaps(List<DataGap> dataGaps, int numberOfGapsToQualify,
String sql) {
StringBuilder gapClause = new StringBuilder();
for (int i = 0; i < numberOfGapsToQualify && i < dataGaps.size(); i++) {
if (i == 0) {
gapClause.append("(");
} else {
gapClause.append(" or ");
}
gapClause.append("(data_id between ? and ?)");
}
gapClause.append(")");
return FormatUtils.replace("dataRange", gapClause.toString(), sql);
}
protected boolean producesCommonBatches(Channel channel, String nodeGroupId, List<TriggerRouter> triggerRouters) {
String channelId = channel.getChannelId();
Boolean producesCommonBatches = commonBatchesLastKnownState.get(channelId);
long cacheTime = parameterService.getLong(ParameterConstants.CACHE_CHANNEL_COMMON_BATCHES_IN_MS);
if (producesCommonBatches == null || System.currentTimeMillis() - commonBatchesCacheTime > cacheTime) {
producesCommonBatches = !Constants.CHANNEL_CONFIG.equals(channelId)
&& !channel.isFileSyncFlag()
&& !channel.isReloadFlag()
&& !Constants.CHANNEL_HEARTBEAT.equals(channelId)
&& !Constants.CHANNEL_MONITOR.equals(channelId);
if (producesCommonBatches && triggerRouters != null) {
List<TriggerRouter> testableTriggerRouters = new ArrayList<TriggerRouter>();
for (TriggerRouter triggerRouter : triggerRouters) {
if (triggerRouter.getTrigger().getChannelId().equals(channelId)) {
testableTriggerRouters.add(triggerRouter);
} else {
/*
* This trigger is not on this channel. If there is
* another trigger on this channel for the same table
* AND this trigger is syncing to this node, then
* consider it to check on common batch mode
*/
String anotherChannelTableName = triggerRouter.getTrigger()
.getFullyQualifiedSourceTableName();
for (TriggerRouter triggerRouter2 : triggerRouters) {
String currentTableName = triggerRouter2
.getTrigger()
.getFullyQualifiedSourceTableName();
String currentChannelId = triggerRouter2.getTrigger().getChannelId();
if (anotherChannelTableName.equals(currentTableName) && currentChannelId.equals(channelId)
&& triggerRouter.getRouter().getNodeGroupLink().getTargetNodeGroupId()
.equals(triggerRouter2.getRouter().getNodeGroupLink().getSourceNodeGroupId()) &&
triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(triggerRouter2.getRouter().getNodeGroupLink().getTargetNodeGroupId())) {
testableTriggerRouters.add(triggerRouter);
}
}
}
}
for (TriggerRouter triggerRouter : testableTriggerRouters) {
boolean isDefaultRouter = "default".equals(triggerRouter.getRouter().getRouterType());
/*
* If the data router is not a default data router or there will
* be incoming data on the channel where sync_on_incoming_batch
* is on, then we can not do 'optimal' routing. When
* sync_on_incoming_batch is on, then we might not be sending
* data to all nodes in a node_group. We can only do 'optimal'
* routing if data is going to go to all nodes in a group.
*/
if (triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(nodeGroupId)) {
if (!isDefaultRouter) {
producesCommonBatches = false;
break;
} else {
if (triggerRouter.getTrigger().isSyncOnIncomingBatch()) {
String outgoingTableName = triggerRouter.getTrigger()
.getFullyQualifiedSourceTableName();
for (TriggerRouter triggerRouter2 : testableTriggerRouters) {
String incomingTableName = triggerRouter2.getTrigger().getFullyQualifiedSourceTableName();
String targetNodeGroupId = triggerRouter2.getRouter().getNodeGroupLink()
.getTargetNodeGroupId();
if (incomingTableName.equals(outgoingTableName) && targetNodeGroupId.equals(nodeGroupId)) {
producesCommonBatches = false;
break;
}
}
}
}
}
}
}
if (!producesCommonBatches.equals(commonBatchesLastKnownState.get(channelId))) {
if (producesCommonBatches) {
log.info("The '{}' channel is in common batch mode", channelId);
} else {
log.info("The '{}' channel is NOT in common batch mode", channelId);
}
commonBatchesLastKnownState.put(channelId, producesCommonBatches);
}
commonBatchesCacheTime = System.currentTimeMillis();
}
return producesCommonBatches;
}
protected boolean onlyDefaultRoutersAssigned(Channel channel, String nodeGroupId, List<TriggerRouter> triggerRouters) {
String channelId = channel.getChannelId();
Boolean onlyDefaultRoutersAssigned = defaultRouterOnlyLastKnownState.get(channelId);
long cacheTime = parameterService.getLong(ParameterConstants.CACHE_CHANNEL_DEFAULT_ROUTER_IN_MS);
if (onlyDefaultRoutersAssigned == null || System.currentTimeMillis() - defaultRoutersCacheTime > cacheTime) {
onlyDefaultRoutersAssigned = !Constants.CHANNEL_CONFIG.equals(channelId)
&& !channel.isFileSyncFlag()
&& !channel.isReloadFlag()
&& !Constants.CHANNEL_HEARTBEAT.equals(channelId)
&& !Constants.CHANNEL_MONITOR.equals(channelId);
if (onlyDefaultRoutersAssigned && triggerRouters != null) {
for (TriggerRouter triggerRouter : triggerRouters) {
if (triggerRouter.getTrigger().getChannelId().equals(channel.getChannelId()) &&
triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(nodeGroupId) && !"default".equals(triggerRouter.getRouter().getRouterType())) {
onlyDefaultRoutersAssigned = false;
}
}
}
if (!onlyDefaultRoutersAssigned.equals(defaultRouterOnlyLastKnownState.get(channelId))) {
if (onlyDefaultRoutersAssigned) {
log.info("The '{}' channel for the '{}' node group has only default routers assigned to it. Change data won't be selected during routing", channelId, nodeGroupId);
}
defaultRouterOnlyLastKnownState.put(channelId, onlyDefaultRoutersAssigned);
}
defaultRoutersCacheTime = System.currentTimeMillis();
}
return onlyDefaultRoutersAssigned;
}
protected int routeDataForChannel(ProcessInfo processInfo, final NodeChannel nodeChannel, final Node sourceNode) {
ChannelRouterContext context = null;
long ts = System.currentTimeMillis();
int dataCount = -1;
try {
List<TriggerRouter> triggerRouters = engine.getTriggerRouterService().getTriggerRouters(false);
boolean producesCommonBatches = producesCommonBatches(nodeChannel.getChannel(), parameterService.getNodeGroupId(),
triggerRouters);
boolean onlyDefaultRoutersAssigned = onlyDefaultRoutersAssigned(nodeChannel.getChannel(),
parameterService.getNodeGroupId(), triggerRouters);
context = new ChannelRouterContext(sourceNode.getNodeId(), nodeChannel,
symmetricDialect.getPlatform().getSqlTemplate().startSqlTransaction());
context.setProduceCommonBatches(producesCommonBatches);
context.setOnlyDefaultRoutersAssigned(onlyDefaultRoutersAssigned);
context.setDataGaps(gapDetector.getDataGaps());
dataCount = selectDataAndRoute(processInfo, context);
return dataCount;
} catch (DelayRoutingException ex) {
log.info("The routing process for the {} channel is being delayed. {}", nodeChannel.getChannelId(), isNotBlank(ex.getMessage()) ? ex.getMessage() : "");
if (context != null) {
context.rollback();
}
return 0;
} catch (InterruptedException ex) {
log.warn("The routing process was interrupted. Rolling back changes");
if (context != null) {
context.rollback();
}
return 0;
} catch (SyntaxParsingException ex) {
log.error(
String.format(
"Failed to route and batch data on '%s' channel due to an invalid router expression",
nodeChannel.getChannelId()), ex);
if (context != null) {
context.rollback();
}
return 0;
} catch (Throwable ex) {
log.error(
String.format("Failed to route and batch data on '%s' channel",
nodeChannel.getChannelId()), ex);
if (context != null) {
context.rollback();
}
return 0;
} finally {
try {
if (dataCount > 0) {
long insertTs = System.currentTimeMillis();
engine.getDataService().insertDataEvents(context.getSqlTransaction(),
context.getDataEventList());
context.clearDataEventsList();
completeBatchesAndCommit(context);
gapDetector.addDataIds(context.getDataIds());
gapDetector.setIsAllDataRead(context.getDataIds().size() < context.getChannel().getMaxDataToRoute());
context.incrementStat(System.currentTimeMillis() - insertTs,
ChannelRouterContext.STAT_INSERT_DATA_EVENTS_MS);
if (parameterService.is(ParameterConstants.ROUTING_COLLECT_STATS_UNROUTED)) {
Data lastDataProcessed = context.getLastDataProcessed();
if (lastDataProcessed != null && lastDataProcessed.getDataId() > 0) {
String channelId = nodeChannel.getChannelId();
long queryTs = System.currentTimeMillis();
long dataLeftToRoute = sqlTemplate.queryForInt(
getSql("selectUnroutedCountForChannelSql"), channelId,
lastDataProcessed.getDataId());
queryTs = System.currentTimeMillis() - queryTs;
if (queryTs > Constants.LONG_OPERATION_THRESHOLD) {
log.warn("Unrouted query for channel {} took longer than expected. The query took {} ms.", channelId, queryTs);
}
engine.getStatisticManager().setDataUnRouted(channelId, dataLeftToRoute);
}
}
} else {
gapDetector.setIsAllDataRead(false);
}
} catch (Exception e) {
if (context != null) {
context.rollback();
}
log.error("", e);
} finally {
long totalTime = System.currentTimeMillis() - ts;
if (context != null) {
context.incrementStat(totalTime, ChannelRouterContext.STAT_ROUTE_TOTAL_TIME);
context.logStats(log, totalTime);
context.cleanup();
}
}
}
}
protected void completeBatchesAndCommit(ChannelRouterContext context) {
Set<IDataRouter> usedRouters = new HashSet<IDataRouter>(context.getUsedDataRouters());
List<OutgoingBatch> batches = new ArrayList<OutgoingBatch>(context.getBatchesByNodes()
.values());
gapDetector.setFullGapAnalysis(context.getSqlTransaction(), true);
if (engine.getParameterService().is(ParameterConstants.ROUTING_LOG_STATS_ON_BATCH_ERROR)) {
engine.getStatisticManager().addRouterStats(context.getStartDataId(), context.getEndDataId(),
context.getDataReadCount(), context.getPeekAheadFillCount(),
context.getDataGaps(), context.getTransactions(), batches);
}
for (OutgoingBatch batch : batches) {
batch.setRouterMillis(System.currentTimeMillis() - batch.getCreateTime().getTime());
for (IDataRouter dataRouter : usedRouters) {
dataRouter.completeBatch(context, batch);
}
if (Constants.UNROUTED_NODE_ID.equals(batch.getNodeId())) {
batch.setStatus(Status.OK);
} else {
batch.setStatus(Status.NE);
}
engine.getOutgoingBatchService().updateOutgoingBatch(context.getSqlTransaction(), batch);
context.getBatchesByNodes().remove(batch.getNodeId());
}
context.commit();
for (IDataRouter dataRouter : usedRouters) {
dataRouter.contextCommitted(context);
}
context.setNeedsCommitted(false);
}
protected Set<Node> findAvailableNodes(TriggerRouter triggerRouter, ChannelRouterContext context) {
Set<Node> nodes = context.getAvailableNodes().get(triggerRouter);
if (nodes == null) {
nodes = new HashSet<Node>();
Router router = triggerRouter.getRouter();
NodeGroupLink link = engine.getConfigurationService().getNodeGroupLinkFor(
router.getNodeGroupLink().getSourceNodeGroupId(),
router.getNodeGroupLink().getTargetNodeGroupId(), false);
if (link != null) {
nodes.addAll(engine.getNodeService().findEnabledNodesFromNodeGroup(
router.getNodeGroupLink().getTargetNodeGroupId()));
} else {
log.error("The router {} has no node group link configured from {} to {}",
new Object[] { router.getRouterId(),
router.getNodeGroupLink().getSourceNodeGroupId(),
router.getNodeGroupLink().getTargetNodeGroupId() });
}
context.getAvailableNodes().put(triggerRouter, nodes);
}
return engine.getGroupletService().getTargetEnabled(triggerRouter, nodes);
}
protected IDataToRouteReader startReading(ChannelRouterContext context) {
IDataToRouteReader reader = new DataGapRouteReader(context, engine);
if (parameterService.is(ParameterConstants.SYNCHRONIZE_ALL_JOBS)) {
reader.run();
} else {
if (readThread == null) {
readThread = Executors.newCachedThreadPool(new ThreadFactory() {
final AtomicInteger threadNumber = new AtomicInteger(1);
final String namePrefix = parameterService.getEngineName()
.toLowerCase() + "-router-reader-";
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(namePrefix + threadNumber.getAndIncrement());
if (t.isDaemon()) {
t.setDaemon(false);
}
if (t.getPriority() != Thread.NORM_PRIORITY) {
t.setPriority(Thread.NORM_PRIORITY);
}
return t;
}
});
}
readThread.execute(reader);
}
return reader;
}
/**
* Pre-read data and fill up a queue so we can peek ahead to see if we have
* crossed a database transaction boundary. Then route each {@link Data}
* while continuing to keep the queue filled until the result set is
* entirely read.
*
* @param conn
* The connection to use for selecting the data.
* @param context
* The current context of the routing process
*/
protected int selectDataAndRoute(ProcessInfo processInfo, ChannelRouterContext context) throws InterruptedException {
IDataToRouteReader reader = startReading(context);
Data data = null;
Data nextData = null;
int totalDataCount = 0;
int totalDataEventCount = 0;
int statsDataCount = 0;
int statsDataEventCount = 0;
final int maxNumberOfEventsBeforeFlush = parameterService
.getInt(ParameterConstants.ROUTING_FLUSH_JDBC_BATCH_SIZE);
try {
long ts = System.currentTimeMillis();
long startTime = System.currentTimeMillis();
nextData = reader.take();
do {
if (nextData != null) {
data = nextData;
nextData = reader.take();
if (data != null) {
processInfo.setCurrentTableName(data.getTableName());
processInfo.incrementCurrentDataCount();
boolean atTransactionBoundary = false;
if (nextData != null) {
String nextTxId = nextData.getTransactionId();
atTransactionBoundary = nextTxId == null
|| !nextTxId.equals(data.getTransactionId());
}
context.setEncountedTransactionBoundary(atTransactionBoundary);
statsDataCount++;
totalDataCount++;
int dataEventsInserted = routeData(processInfo, data, context);
statsDataEventCount += dataEventsInserted;
totalDataEventCount += dataEventsInserted;
long insertTs = System.currentTimeMillis();
try {
if (maxNumberOfEventsBeforeFlush <= context.getDataEventList().size()
|| context.isNeedsCommitted()) {
engine.getDataService().insertDataEvents(
context.getSqlTransaction(), context.getDataEventList());
context.clearDataEventsList();
}
if (context.isNeedsCommitted()) {
completeBatchesAndCommit(context);
}
} finally {
context.incrementStat(System.currentTimeMillis() - insertTs,
ChannelRouterContext.STAT_INSERT_DATA_EVENTS_MS);
if (statsDataCount > StatisticConstants.FLUSH_SIZE_ROUTER_DATA) {
engine.getStatisticManager().incrementDataRouted(
context.getChannel().getChannelId(), statsDataCount);
statsDataCount = 0;
engine.getStatisticManager().incrementDataEventInserted(
context.getChannel().getChannelId(), statsDataEventCount);
statsDataEventCount = 0;
}
}
long routeTs = System.currentTimeMillis() - ts;
if (routeTs > LOG_PROCESS_SUMMARY_THRESHOLD) {
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
log.info(
"Routing for channel '{}' has been processing for {} seconds. The following stats have been gathered: "
+ "totalDataRoutedCount={}, totalDataEventCount={}, startDataId={}, endDataId={}, dataReadCount={}, peekAheadFillCount={}, dataGaps={}",
new Object[] { context.getChannel().getChannelId(), ((System.currentTimeMillis()-startTime) / 1000), totalDataCount, totalDataEventCount, context.getStartDataId(),
context.getEndDataId(), context.getDataReadCount(), context.getPeekAheadFillCount(),
StringUtils.abbreviate(context.getDataGaps().toString(), MAX_LOGGING_LENGTH)
});
ts = System.currentTimeMillis();
}
context.setLastDataProcessed(data);
}
} else {
data = null;
}
} while (data != null);
long routeTime = System.currentTimeMillis() - startTime;
if (routeTime > 60000 && context != null) {
log.info(
"Done routing for channel '{}' which took {} seconds",
new Object[] { context.getChannel().getChannelId(), ((System.currentTimeMillis() - startTime) / 1000) });
ts = System.currentTimeMillis();
}
} finally {
reader.setReading(false);
if (statsDataCount > 0) {
engine.getStatisticManager().incrementDataRouted(
context.getChannel().getChannelId(), statsDataCount);
}
if (statsDataEventCount > 0) {
engine.getStatisticManager().incrementDataEventInserted(
context.getChannel().getChannelId(), statsDataEventCount);
}
}
context.incrementStat(totalDataCount, ChannelRouterContext.STAT_DATA_ROUTED_COUNT);
return totalDataEventCount;
}
@SuppressWarnings("unchecked")
protected int routeData(ProcessInfo processInfo, Data data, ChannelRouterContext context) {
int numberOfDataEventsInserted = 0;
List<TriggerRouter> triggerRouters = getTriggerRoutersForData(data);
Table table = symmetricDialect.getTable(data.getTriggerHistory(), true);
if (table == null) {
table = buildTableFromTriggerHistory(data.getTriggerHistory());
}
if (triggerRouters != null && triggerRouters.size() > 0) {