/
AbstractSymmetricEngine.java
1290 lines (1046 loc) · 50.7 KB
/
AbstractSymmetricEngine.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;
import static org.apache.commons.lang.StringUtils.isBlank;
import java.io.File;
import java.io.InputStreamReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.io.DatabaseXmlUtil;
import org.jumpmind.db.model.Database;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.ISqlTemplate;
import org.jumpmind.db.sql.SqlException;
import org.jumpmind.db.sql.SqlScript;
import org.jumpmind.db.sql.SqlScriptReader;
import org.jumpmind.properties.TypedProperties;
import org.jumpmind.security.ISecurityService;
import org.jumpmind.security.SecurityServiceFactory;
import org.jumpmind.security.SecurityServiceFactory.SecurityServiceType;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.common.TableConstants;
import org.jumpmind.symmetric.db.ISoftwareUpgradeListener;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.io.DefaultOfflineClientListener;
import org.jumpmind.symmetric.io.IOfflineClientListener;
import org.jumpmind.symmetric.io.stage.IStagingManager;
import org.jumpmind.symmetric.job.DefaultOfflineServerListener;
import org.jumpmind.symmetric.job.IJobManager;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeSecurity;
import org.jumpmind.symmetric.model.NodeStatus;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfo.ProcessStatus;
import org.jumpmind.symmetric.model.RemoteNodeStatuses;
import org.jumpmind.symmetric.service.IAcknowledgeService;
import org.jumpmind.symmetric.service.IBandwidthService;
import org.jumpmind.symmetric.service.IClusterService;
import org.jumpmind.symmetric.service.IConfigurationService;
import org.jumpmind.symmetric.service.IContextService;
import org.jumpmind.symmetric.service.IDataExtractorService;
import org.jumpmind.symmetric.service.IDataLoaderService;
import org.jumpmind.symmetric.service.IDataService;
import org.jumpmind.symmetric.service.IExtensionService;
import org.jumpmind.symmetric.service.IFileSyncService;
import org.jumpmind.symmetric.service.IGroupletService;
import org.jumpmind.symmetric.service.IIncomingBatchService;
import org.jumpmind.symmetric.service.ILoadFilterService;
import org.jumpmind.symmetric.service.IMailService;
import org.jumpmind.symmetric.service.INodeCommunicationService;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.IOfflinePullService;
import org.jumpmind.symmetric.service.IOfflinePushService;
import org.jumpmind.symmetric.service.IOutgoingBatchService;
import org.jumpmind.symmetric.service.IParameterService;
import org.jumpmind.symmetric.service.IPullService;
import org.jumpmind.symmetric.service.IPurgeService;
import org.jumpmind.symmetric.service.IPushService;
import org.jumpmind.symmetric.service.IRegistrationService;
import org.jumpmind.symmetric.service.IRouterService;
import org.jumpmind.symmetric.service.ISequenceService;
import org.jumpmind.symmetric.service.IStatisticService;
import org.jumpmind.symmetric.service.ITransformService;
import org.jumpmind.symmetric.service.ITriggerRouterService;
import org.jumpmind.symmetric.service.IUpdateService;
import org.jumpmind.symmetric.service.impl.AcknowledgeService;
import org.jumpmind.symmetric.service.impl.BandwidthService;
import org.jumpmind.symmetric.service.impl.ClusterService;
import org.jumpmind.symmetric.service.impl.ConfigurationService;
import org.jumpmind.symmetric.service.impl.ContextService;
import org.jumpmind.symmetric.service.impl.DataExtractorService;
import org.jumpmind.symmetric.service.impl.DataLoaderService;
import org.jumpmind.symmetric.service.impl.DataService;
import org.jumpmind.symmetric.service.impl.FileSyncExtractorService;
import org.jumpmind.symmetric.service.impl.FileSyncService;
import org.jumpmind.symmetric.service.impl.GroupletService;
import org.jumpmind.symmetric.service.impl.IncomingBatchService;
import org.jumpmind.symmetric.service.impl.LoadFilterService;
import org.jumpmind.symmetric.service.impl.MailService;
import org.jumpmind.symmetric.service.impl.NodeCommunicationService;
import org.jumpmind.symmetric.service.impl.NodeService;
import org.jumpmind.symmetric.service.impl.OfflinePullService;
import org.jumpmind.symmetric.service.impl.OfflinePushService;
import org.jumpmind.symmetric.service.impl.OutgoingBatchService;
import org.jumpmind.symmetric.service.impl.ParameterService;
import org.jumpmind.symmetric.service.impl.PullService;
import org.jumpmind.symmetric.service.impl.PurgeService;
import org.jumpmind.symmetric.service.impl.PushService;
import org.jumpmind.symmetric.service.impl.RegistrationService;
import org.jumpmind.symmetric.service.impl.RouterService;
import org.jumpmind.symmetric.service.impl.SequenceService;
import org.jumpmind.symmetric.service.impl.StatisticService;
import org.jumpmind.symmetric.service.impl.TransformService;
import org.jumpmind.symmetric.service.impl.TriggerRouterService;
import org.jumpmind.symmetric.service.impl.UpdateService;
import org.jumpmind.symmetric.statistic.IStatisticManager;
import org.jumpmind.symmetric.transport.ConcurrentConnectionManager;
import org.jumpmind.symmetric.transport.IConcurrentConnectionManager;
import org.jumpmind.symmetric.transport.ITransportManager;
import org.jumpmind.symmetric.transport.TransportManagerFactory;
import org.jumpmind.util.FormatUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
abstract public class AbstractSymmetricEngine implements ISymmetricEngine {
private static Map<String, ISymmetricEngine> registeredEnginesByUrl = new HashMap<String, ISymmetricEngine>();
private static Map<String, ISymmetricEngine> registeredEnginesByName = new HashMap<String, ISymmetricEngine>();
protected static final Logger log = LoggerFactory.getLogger(AbstractSymmetricEngine.class);
private boolean started = false;
private boolean starting = false;
private boolean setup = false;
private boolean isInitialized = false;
private Throwable lastException = null;
protected String deploymentType;
protected String deploymentSubType;
protected ITypedPropertiesFactory propertiesFactory;
protected IDatabasePlatform platform;
protected ISecurityService securityService;
protected ParameterService parameterService;
protected ISymmetricDialect symmetricDialect;
protected INodeService nodeService;
protected IConfigurationService configurationService;
protected IBandwidthService bandwidthService;
protected IStatisticService statisticService;
protected IStatisticManager statisticManager;
protected IConcurrentConnectionManager concurrentConnectionManager;
protected ITransportManager transportManager;
protected ITransportManager offlineTransportManager;
protected IClusterService clusterService;
protected IPurgeService purgeService;
protected ITransformService transformService;
protected ILoadFilterService loadFilterService;
protected ITriggerRouterService triggerRouterService;
protected IOutgoingBatchService outgoingBatchService;
protected IDataService dataService;
protected IRouterService routerService;
protected IDataExtractorService dataExtractorService;
protected IDataExtractorService fileSyncExtractorService;
protected IRegistrationService registrationService;
protected IDataLoaderService dataLoaderService;
protected IIncomingBatchService incomingBatchService;
protected IAcknowledgeService acknowledgeService;
protected IPushService pushService;
protected IPullService pullService;
protected IOfflinePushService offlinePushService;
protected IOfflinePullService offlinePullService;
protected IJobManager jobManager;
protected ISequenceService sequenceService;
protected IExtensionService extensionService;
protected IGroupletService groupletService;
protected IStagingManager stagingManager;
protected INodeCommunicationService nodeCommunicationService;
protected IFileSyncService fileSyncService;
protected IMailService mailService;
protected IContextService contextService;
protected IUpdateService updateService;
protected Date lastRestartTime = null;
abstract protected ITypedPropertiesFactory createTypedPropertiesFactory();
abstract protected IDatabasePlatform createDatabasePlatform(TypedProperties properties);
protected boolean registerEngine = true;
protected AbstractSymmetricEngine(boolean registerEngine) {
this.registerEngine = registerEngine;
}
public static List<ISymmetricEngine> findEngines() {
List<ISymmetricEngine> engines = new ArrayList<ISymmetricEngine>();
engines.addAll(registeredEnginesByName.values());
return engines;
}
/**
* Locate a {@link StandaloneSymmetricEngine} in the same JVM
*/
public static ISymmetricEngine findEngineByUrl(String url) {
if (registeredEnginesByUrl != null && url != null) {
return registeredEnginesByUrl.get(url);
} else {
return null;
}
}
/**
* Locate a {@link StandaloneSymmetricEngine} in the same JVM
*/
public static ISymmetricEngine findEngineByName(String name) {
if (registeredEnginesByName != null && name != null) {
return registeredEnginesByName.get(name);
} else {
return null;
}
}
public void setDeploymentType(String deploymentType) {
this.deploymentType = deploymentType;
}
public void setDeploymentSubType(String deploymentSubType) {
this.deploymentSubType = deploymentSubType;
}
protected abstract SecurityServiceType getSecurityServiceType();
protected void init() {
if (propertiesFactory == null) {
this.propertiesFactory = createTypedPropertiesFactory();
}
if (securityService == null) {
this.securityService = SecurityServiceFactory.create(getSecurityServiceType(),
propertiesFactory.reload());
}
TypedProperties properties = this.propertiesFactory.reload();
registerSymDSDriver(properties);
String engineName = properties.get(ParameterConstants.ENGINE_NAME);
if (!StringUtils.contains(engineName, '`') && !StringUtils.contains(engineName, '(')) {
MDC.put("engineName", engineName);
}
this.platform = createDatabasePlatform(properties);
this.parameterService = new ParameterService(platform, propertiesFactory,
properties.get(ParameterConstants.RUNTIME_CONFIG_TABLE_PREFIX, "sym"));
boolean parameterTableExists = this.platform.readTableFromDatabase(null, null,
TableConstants.getTableName(properties.get(ParameterConstants.RUNTIME_CONFIG_TABLE_PREFIX), TableConstants.SYM_PARAMETER)) != null;
if (parameterTableExists) {
this.parameterService.setDatabaseHasBeenInitialized(true);
this.parameterService.rereadParameters();
}
// So that the key properties are initialized in a predictable order
parameterService.getNodeGroupId();
parameterService.getExternalId();
parameterService.getEngineName();
parameterService.getSyncUrl();
parameterService.getRegistrationUrl();
MDC.put("engineName", parameterService.getEngineName());
this.platform.setMetadataIgnoreCase(this.parameterService
.is(ParameterConstants.DB_METADATA_IGNORE_CASE));
this.platform.setClearCacheModelTimeoutInMs(parameterService
.getLong(ParameterConstants.CACHE_TIMEOUT_TABLES_IN_MS));
this.symmetricDialect = createSymmetricDialect();
this.extensionService = createExtensionService();
this.extensionService.refresh();
this.symmetricDialect.setExtensionService(extensionService);
this.parameterService.setExtensionService(extensionService);
this.bandwidthService = new BandwidthService(parameterService);
this.sequenceService = new SequenceService(parameterService, symmetricDialect);
this.stagingManager = createStagingManager();
this.nodeService = new NodeService(this);
this.configurationService = new ConfigurationService(parameterService, symmetricDialect,
nodeService);
this.dataService = new DataService(this, extensionService);
this.clusterService = createClusterService();
this.statisticService = new StatisticService(parameterService, symmetricDialect);
this.statisticManager = createStatisticManager();
this.concurrentConnectionManager = new ConcurrentConnectionManager(parameterService,
statisticManager);
this.purgeService = new PurgeService(parameterService, symmetricDialect, clusterService,
statisticManager, extensionService);
this.transformService = new TransformService(parameterService, symmetricDialect,
configurationService, extensionService);
this.loadFilterService = new LoadFilterService(parameterService, symmetricDialect,
configurationService);
this.groupletService = new GroupletService(this);
this.triggerRouterService = new TriggerRouterService(this);
this.outgoingBatchService = new OutgoingBatchService(parameterService, symmetricDialect,
nodeService, configurationService, sequenceService, clusterService, extensionService);
this.routerService = buildRouterService();
this.nodeCommunicationService = buildNodeCommunicationService(clusterService, nodeService, parameterService, configurationService, symmetricDialect);
this.incomingBatchService = new IncomingBatchService(parameterService, symmetricDialect, clusterService);
this.dataExtractorService = new DataExtractorService(this);
this.transportManager = new TransportManagerFactory(this).create();
this.offlineTransportManager = new TransportManagerFactory(this).create(Constants.PROTOCOL_FILE);
this.dataLoaderService = new DataLoaderService(this);
this.registrationService = new RegistrationService(this);
this.acknowledgeService = new AcknowledgeService(this);
this.pushService = new PushService(parameterService, symmetricDialect,
dataExtractorService, acknowledgeService, transportManager, nodeService,
clusterService, nodeCommunicationService, statisticManager, configurationService, extensionService);
this.pullService = new PullService(parameterService, symmetricDialect,
nodeService, dataLoaderService, registrationService, clusterService, nodeCommunicationService,
configurationService, extensionService, statisticManager);
this.offlinePushService = new OfflinePushService(parameterService, symmetricDialect,
dataExtractorService, acknowledgeService, offlineTransportManager, nodeService,
clusterService, nodeCommunicationService, statisticManager, configurationService, extensionService);
this.offlinePullService = new OfflinePullService(parameterService, symmetricDialect,
nodeService, dataLoaderService, clusterService, nodeCommunicationService,
configurationService, extensionService, offlineTransportManager);
this.fileSyncService = buildFileSyncService();
this.fileSyncExtractorService = new FileSyncExtractorService(this);
this.mailService = new MailService(parameterService, symmetricDialect);
this.contextService = new ContextService(parameterService, symmetricDialect);
String updateServiceClassName = properties.get(ParameterConstants.UPDATE_SERVICE_CLASS);
if (updateServiceClassName == null) {
this.updateService = new UpdateService(this);
} else {
try {
Constructor<?> cons = Class.forName(updateServiceClassName).getConstructor(ISymmetricEngine.class);
this.updateService = (IUpdateService) cons.newInstance(this);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
this.jobManager = createJobManager();
extensionService.addExtensionPoint(new DefaultOfflineServerListener(
statisticManager, nodeService, outgoingBatchService));
IOfflineClientListener defaultlistener = new DefaultOfflineClientListener(parameterService,
nodeService);
extensionService.addExtensionPoint(defaultlistener);
if (registerEngine) {
registerHandleToEngine();
}
}
protected void registerSymDSDriver(TypedProperties engineProperties) {
try {
Class<?> driverClass = Thread.currentThread().getContextClassLoader().loadClass("org.jumpmind.driver.Driver");
if (driverClass != null) {
Method method = driverClass.getMethod("register", TypedProperties.class);
method.invoke(null, engineProperties);
}
} catch (Exception ex) {
log.debug("Failed to load org.jumpmind.driver.Driver", ex);
}
}
protected IClusterService createClusterService() {
return new ClusterService(parameterService, symmetricDialect, nodeService, extensionService);
}
protected IRouterService buildRouterService() {
return new RouterService(this);
}
protected IFileSyncService buildFileSyncService() {
return new FileSyncService(this);
}
protected INodeCommunicationService buildNodeCommunicationService(IClusterService clusterService, INodeService nodeService, IParameterService parameterService,
IConfigurationService configurationService, ISymmetricDialect symmetricDialect) {
return new NodeCommunicationService(clusterService, nodeService, parameterService, configurationService, symmetricDialect);
}
abstract protected IStagingManager createStagingManager();
abstract protected IStatisticManager createStatisticManager();
abstract protected ISymmetricDialect createSymmetricDialect();
abstract protected IExtensionService createExtensionService();
abstract protected IJobManager createJobManager();
public String getSyncUrl() {
return parameterService.getSyncUrl();
}
public Properties getProperties() {
Properties p = new Properties();
p.putAll(parameterService.getAllParameters());
return p;
}
public String getEngineName() {
return parameterService.getEngineName();
}
public void setup() {
if (!setup) {
setupDatabase(false);
parameterService.setDatabaseHasBeenInitialized(true);
String databaseVersion = this.getNodeService().findIdentity() != null ?
this.getNodeService().findIdentity().getSymmetricVersion() : null;
String softwareVersion = Version.version();
log.info("SymmetricDS database version : " + databaseVersion);
log.info("SymmetricDS software version : " + softwareVersion);
if (databaseVersion != null && !softwareVersion.equals(databaseVersion)) {
log.info("SymmetricDS database version does not match the current software version, running software upgrade listeners.");
List<ISoftwareUpgradeListener> softwareUpgradeListeners =
extensionService.getExtensionPointList(ISoftwareUpgradeListener.class);
for (ISoftwareUpgradeListener listener : softwareUpgradeListeners) {
listener.upgrade(databaseVersion, softwareVersion);
}
}
setup = true;
}
}
public void setupDatabase(boolean force) {
log.info("Initializing SymmetricDS database");
if (parameterService.is(ParameterConstants.AUTO_CONFIGURE_DATABASE) || force) {
symmetricDialect.initTablesAndDatabaseObjects();
} else {
log.info("SymmetricDS is not configured to auto-create the database");
}
try {
configurationService.initDefaultChannels();
} catch (SqlException e) {
if (e.getCause() instanceof SQLException) {
SQLException se = (SQLException) e.getCause();
if (se.getErrorCode() == -7008 && se.getSQLState().equals("55019")) {
log.error("Please enable journaling on SYM objects. For instructions, see the appendix in the User Guide on DB2 for i.");
}
}
throw e;
}
clusterService.init();
sequenceService.init();
autoConfigRegistrationServer();
log.info("Done initializing SymmetricDS database");
}
protected void autoConfigRegistrationServer() {
Node node = nodeService.findIdentity();
if (node == null) {
buildTablesFromDdlUtilXmlIfProvided();
loadFromScriptIfProvided();
parameterService.rereadParameters();
}
node = nodeService.findIdentity();
if (node == null && parameterService.isRegistrationServer()
&& parameterService.is(ParameterConstants.AUTO_INSERT_REG_SVR_IF_NOT_FOUND, false)) {
log.info("Inserting rows for node, security, identity and group for registration server");
String nodeId = parameterService.getExternalId();
node = new Node(parameterService, symmetricDialect);
node.setNodeId(node.getExternalId());
nodeService.save(node);
nodeService.insertNodeIdentity(nodeId);
node = nodeService.findIdentity();
nodeService.insertNodeGroup(node.getNodeGroupId(), null);
NodeSecurity nodeSecurity = nodeService.findOrCreateNodeSecurity(nodeId);
nodeSecurity.setInitialLoadTime(new Date());
nodeSecurity.setRegistrationTime(new Date());
nodeSecurity.setInitialLoadEnabled(false);
nodeSecurity.setRegistrationEnabled(false);
nodeService.updateNodeSecurity(nodeSecurity);
}
}
protected boolean buildTablesFromDdlUtilXmlIfProvided() {
boolean loaded = false;
String xml = parameterService
.getString(ParameterConstants.AUTO_CONFIGURE_REG_SVR_DDLUTIL_XML);
if (!StringUtils.isBlank(xml)) {
File file = new File(xml);
URL fileUrl = null;
if (file.isFile()) {
try {
fileUrl = file.toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
} else {
fileUrl = getClass().getResource(xml);
}
if (fileUrl != null) {
try {
log.info("Building database schema from: {}", xml);
Database database = DatabaseXmlUtil.read(new InputStreamReader(fileUrl
.openStream()));
IDatabasePlatform platform = symmetricDialect.getPlatform();
platform.createDatabase(database, true, true);
loaded = true;
} catch (Exception e) {
log.error("", e);
}
}
}
return loaded;
}
/**
* Give the end user the option to provide a script that will load a
* registration server with an initial SymmetricDS setup.
*
* Look first on the file system, then in the classpath for the SQL file.
*
* @return true if the script was executed
*/
protected boolean loadFromScriptIfProvided() {
boolean loaded = false;
String sqlScripts = parameterService
.getString(ParameterConstants.AUTO_CONFIGURE_REG_SVR_SQL_SCRIPT);
if (!StringUtils.isBlank(sqlScripts)) {
String[] sqlScriptList = sqlScripts.split(",");
for (String sqlScript : sqlScriptList) {
sqlScript = sqlScript.trim();
if (StringUtils.isNotBlank(sqlScript)) {
File file = new File(sqlScript);
URL fileUrl = null;
if (file.isFile()) {
try {
fileUrl = file.toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
} else {
fileUrl = getClass().getResource(sqlScript);
if (fileUrl == null) {
fileUrl = Thread.currentThread().getContextClassLoader()
.getResource(sqlScript);
}
}
if (fileUrl != null) {
log.info("Executing {} '{}' ({})", ParameterConstants.AUTO_CONFIGURE_REG_SVR_SQL_SCRIPT, sqlScript, fileUrl);
new SqlScript(fileUrl, symmetricDialect.getPlatform().getSqlTemplate(),
true, SqlScriptReader.QUERY_ENDS, getSymmetricDialect().getPlatform()
.getSqlScriptReplacementTokens()).execute();
loaded = true;
} else {
log.warn("Could not find the {}: '{}' to execute. We would have run it if we had found it", ParameterConstants.AUTO_CONFIGURE_REG_SVR_SQL_SCRIPT, sqlScript);
}
}
}
}
return loaded;
}
public synchronized boolean start() {
return start(true);
}
private boolean isFirstStart = true;
public synchronized boolean start(boolean startJobs) {
isInitialized = false;
if (!starting && !started) {
try {
starting = true;
symmetricDialect.verifyDatabaseIsCompatible();
setup();
if (isConfigured()) {
Node node = nodeService.findIdentity();
checkSystemIntegrity(node);
isInitialized = true;
if (node != null) {
log.info(
"Starting registered node [group={}, id={}, nodeId={}]",
new Object[] { node.getNodeGroupId(), node.getNodeId(),
node.getExternalId() });
isInitialized = true;
if (parameterService.is(ParameterConstants.AUTO_SYNC_TRIGGERS_AT_STARTUP,
true)) {
triggerRouterService.syncTriggers();
} else {
log.info(ParameterConstants.AUTO_SYNC_TRIGGERS_AT_STARTUP
+ " is turned off");
}
if (parameterService
.is(ParameterConstants.HEARTBEAT_SYNC_ON_STARTUP, false)
|| isBlank(node.getDatabaseType())
|| !StringUtils.equals(node.getSyncUrl(),
parameterService.getSyncUrl())) {
heartbeat(false);
}
if (parameterService.is(ParameterConstants.AUTO_SYNC_CONFIG_AT_STARTUP, true)) {
pullService.pullConfigData(false);
}
} else {
log.info("Starting unregistered node [group={}, externalId={}]",
parameterService.getNodeGroupId(), parameterService.getExternalId());
isInitialized = true;
}
if (jobManager != null) {
jobManager.init();
}
if (startJobs && jobManager != null) {
jobManager.startJobs();
}
if (parameterService.isRegistrationServer()) {
this.updateService.init();
}
if(isFirstStart){
isFirstStart = false;
}else{
this.clearCaches();
}
lastRestartTime = new Date();
statisticManager.incrementRestart();
started = true;
} else {
log.error("Did not start SymmetricDS. It has not been configured properly");
}
} catch (Throwable ex) {
log.error("An error occurred while starting SymmetricDS", ex);
lastException = ex;
/* Don't leave SymmetricDS in a half started state */
stop();
} finally {
starting = false;
}
}
if (started) {
log.info(getEngineDescription("STARTED:"));
} else {
log.info(getEngineDescription("NOT STARTED:"));
}
return started;
}
protected void checkSystemIntegrity(Node node) {
if (node != null && (!node.getExternalId().equals(getParameterService().getExternalId())
|| !node.getNodeGroupId().equals(getParameterService().getNodeGroupId()))) {
if (parameterService.is(ParameterConstants.NODE_COPY_MODE_ENABLED, false)) {
registrationService.requestNodeCopy();
} else {
throw new SymmetricException(
"The configured state does not match recorded database state. The recorded external id is '%s' while the configured external id is '%s'. The recorded node group id is '%s' while the configured node group id is '%s'",
new Object[] { node.getExternalId(),
getParameterService().getExternalId(),
node.getNodeGroupId(),
getParameterService().getNodeGroupId() });
}
}
boolean useExtractJob = parameterService.is(ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB, true);
boolean streamToFile = parameterService.is(ParameterConstants.STREAM_TO_FILE_ENABLED, true);
if (useExtractJob && !streamToFile) {
throw new SymmetricException(String.format(
"Node '%s' is configured with confilcting parameters which may result in replication stopping and/or empty load batches. "
+ "One of these two parameters needs to be changed: %s=%s and %s=%s",
node != null ? node.getNodeId() : "null", ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB,
useExtractJob, ParameterConstants.STREAM_TO_FILE_ENABLED, streamToFile));
}
}
public String getEngineDescription(String msg) {
if (lastRestartTime == null) {
return "";
}
String formattedUptime = FormatUtils.formatDurationReadable(System.currentTimeMillis() - lastRestartTime.getTime());
return String.format( "SymmetricDS Node %s\n\t nodeId=%s\n\t groupId=%s\n\t type=%s\n\t subType=%s\n\t name=%s\n\t softwareVersion=%s\n\t databaseName=%s\n\t databaseVersion=%s\n\t driverName=%s\n\t driverVersion=%s\n\t uptime=%s",
msg, getParameterService().getExternalId(), getParameterService().getNodeGroupId(),
getDeploymentType(), getDeploymentSubType(), getEngineName(), Version.version(), symmetricDialect.getName(),
symmetricDialect.getVersion(), symmetricDialect.getDriverName(),
symmetricDialect.getDriverVersion(), formattedUptime );
}
public synchronized void uninstall() {
log.info("Attempting an uninstall of all SymmetricDS database objects from the database");
stop();
log.info("Just cleaned {} files in the staging area during the uninstall.", getStagingManager().clean(0));
try {
String prefix = parameterService.getTablePrefix();
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_GROUPLET)) != null) {
groupletService.deleteAllGrouplets();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_TRIGGER_ROUTER)) != null) {
triggerRouterService.deleteAllTriggerRouters();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_FILE_TRIGGER_ROUTER)) != null) {
fileSyncService.deleteAllFileTriggerRouters();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_ROUTER)) != null) {
triggerRouterService.deleteAllRouters();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_CONFLICT)) != null) {
dataLoaderService.deleteAllConflicts();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_TRANSFORM_TABLE)) != null) {
transformService.deleteAllTransformTables();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_ROUTER)) != null) {
triggerRouterService.deleteAllRouters();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_CONFLICT)) != null) {
dataLoaderService.deleteAllConflicts();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_NODE_GROUP_LINK)) != null) {
configurationService.deleteAllNodeGroupLinks();
}
if (platform.readTableFromDatabase(null, null, TableConstants.getTableName(prefix, TableConstants.SYM_LOCK)) != null) {
// this should remove all triggers because we have removed all the trigger configuration
triggerRouterService.syncTriggers();
}
} catch (SqlException ex) {
log.warn("Error while trying to remove triggers on tables", ex);
}
// remove any additional triggers that may remain because they were not in trigger history
symmetricDialect.cleanupTriggers();
log.info("Removing SymmetricDS database objects");
symmetricDialect.dropTablesAndDatabaseObjects();
// force cache to be cleared
nodeService.deleteIdentity();
parameterService.setDatabaseHasBeenInitialized(false);
log.info("Finished uninstalling SymmetricDS database objects from the database");
}
public synchronized void stop() {
log.info("Stopping SymmetricDS externalId={} version={} database={}",
new Object[] { parameterService == null ? "?" : parameterService.getExternalId(), Version.version(),
symmetricDialect == null? "?":symmetricDialect.getName() });
if (jobManager != null) {
jobManager.stopJobs();
}
if (routerService != null) {
routerService.stop();
}
if (nodeCommunicationService != null) {
nodeCommunicationService.stop();
}
if (updateService != null) {
updateService.stop();
}
if (statisticManager != null) {
List<ProcessInfo> infos = statisticManager.getProcessInfos();
for (ProcessInfo processInfo : infos) {
Thread thread = processInfo.getThread();
if (processInfo.getStatus() != ProcessStatus.OK && thread.isAlive()) {
log.info("Trying to interrupt thread '{}' ", thread.getName());
try {
thread.interrupt();
} catch (Exception e) {
log.info("Caught exception while attempting to interrupt thread", e);
}
}
}
Thread.interrupted();
}
started = false;
starting = false;
}
public synchronized void destroy() {
removeMeFromMap(registeredEnginesByName);
removeMeFromMap(registeredEnginesByUrl);
if (parameterService != null) {
parameterService.setDatabaseHasBeenInitialized(false);
registeredEnginesByName.remove(getEngineName());
registeredEnginesByUrl.remove(getSyncUrl());
}
stop();
if (jobManager != null) {
jobManager.destroy();
}
}
public String reloadNode(String nodeId, String createBy) {
return dataService.reloadNode(nodeId, false, createBy);
}
public String sendSQL(String nodeId, String catalogName, String schemaName, String tableName,
String sql) {
return dataService.sendSQL(nodeId, catalogName, schemaName, tableName, sql);
}
public RemoteNodeStatuses push() {
MDC.put("engineName", getEngineName());
return pushService.pushData(true);
}
public void syncTriggers() {
MDC.put("engineName", getEngineName());
triggerRouterService.syncTriggers();
}
public void forceTriggerRebuild() {
MDC.put("engineName", getEngineName());
triggerRouterService.syncTriggers(true);
}
public NodeStatus getNodeStatus() {
return nodeService.getNodeStatus();
}
public void removeAndCleanupNode(String nodeId) {
log.info("Removing node {}", nodeId);
nodeService.deleteNode(nodeId, false);
log.info("Done removing node ID {}", nodeId);
}
public RemoteNodeStatuses pull() {
MDC.put("engineName", getEngineName());
return pullService.pullData(true);
}
public void route() {
MDC.put("engineName", getEngineName());
routerService.routeData(true);
}
public void purge() {
MDC.put("engineName", getEngineName());
purgeService.purgeOutgoing(true);
purgeService.purgeIncoming(true);
}
public boolean isConfigured() {
boolean configurationValid = false;
boolean isRegistrationServer = getNodeService().isRegistrationServer();
boolean isSelfConfigurable = isRegistrationServer
&& (getParameterService().is(ParameterConstants.AUTO_INSERT_REG_SVR_IF_NOT_FOUND,
false) || StringUtils.isNotBlank(getParameterService().getString(
ParameterConstants.AUTO_CONFIGURE_REG_SVR_SQL_SCRIPT)));
Table symNodeTable = symmetricDialect.getPlatform().readTableFromDatabase(null, null,
TableConstants.getTableName(parameterService.getTablePrefix(),
TableConstants.SYM_NODE));
Node node = symNodeTable != null ? getNodeService().findIdentity() : null;
long offlineNodeDetectionPeriodSeconds = getParameterService().getLong(
ParameterConstants.OFFLINE_NODE_DETECTION_PERIOD_MINUTES) * 60;
long heartbeatSeconds = getParameterService().getLong(
ParameterConstants.HEARTBEAT_SYNC_ON_PUSH_PERIOD_SEC);
String registrationUrl = getParameterService().getRegistrationUrl();
if (!isSelfConfigurable && node == null && isRegistrationServer) {
log.warn(
"This node is configured as a registration server, but it is missing its node_identity. It probably needs configured.",
ParameterConstants.REGISTRATION_URL);
} else if (!isSelfConfigurable && node == null
&& StringUtils.isBlank(getParameterService().getRegistrationUrl())) {
log.warn(
"Please set the property {} so this node may pull registration or manually insert configuration into the configuration tables",
ParameterConstants.REGISTRATION_URL);
} else if (Constants.PLEASE_SET_ME.equals(registrationUrl)) {
log.warn("Please set the registration.url for the node");
} else if (Constants.PLEASE_SET_ME.equals(getParameterService().getNodeGroupId())) {
log.warn("Please set the group.id for the node");
} else if (Constants.PLEASE_SET_ME.equals(getParameterService().getExternalId())) {
log.warn("Please set the external.id for the node");
} else if (offlineNodeDetectionPeriodSeconds > 0
&& offlineNodeDetectionPeriodSeconds <= heartbeatSeconds) {
// Offline node detection is not disabled (-1) and the value is too
// small (less than the heartbeat)
log.warn(
"The {} property must be a longer period of time than the {} property. Otherwise, nodes will be taken offline before the heartbeat job has a chance to run",
ParameterConstants.OFFLINE_NODE_DETECTION_PERIOD_MINUTES,
ParameterConstants.HEARTBEAT_SYNC_ON_PUSH_PERIOD_SEC);
} else if (node != null && Version.isOlderMinorVersion(Version.version(), node.getSymmetricVersion())) {
log.warn("SymmetricDS does not support automatic downgrading. The current version running version of {} is older than the last running version of {}",
Version.version(), node.getSymmetricVersion());
} else {
if (node != null && Version.isOlderMinorVersion(node.getSymmetricVersion(), Version.version())) {
log.debug("The current version of {} is newer than the last running version of {}",
Version.version(), node.getSymmetricVersion());
}
configurationValid = true;
}