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package com.sun.enterprise.connectors.service;
import com.sun.appserv.connectors.internal.api.ConnectorConstants;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import com.sun.enterprise.config.serverbeans.Resource;
import com.sun.enterprise.config.serverbeans.ResourcePool;
import com.sun.enterprise.connectors.ActiveResourceAdapter;
import com.sun.enterprise.connectors.ConnectorRegistry;
import com.sun.enterprise.connectors.ConnectorRuntime;
import com.sun.enterprise.connectors.DeferredResourceConfig;
import com.sun.enterprise.connectors.util.ConnectorDDTransformUtils;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.enterprise.resource.pool.PoolManager;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.logging.LogDomains;
import org.glassfish.resourcebase.resources.api.PoolInfo;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This is the base class for all the connector services. It defines the
* enviroment of execution (client or server), and holds the reference to
* connector runtime for inter service method invocations.
*
* @author Srikanth P
*/
public class ConnectorService implements ConnectorConstants {
protected static final Logger _logger = LogDomains.getLogger(ConnectorService.class, LogDomains.RSR_LOGGER);
protected static final ConnectorRegistry _registry =
ConnectorRegistry.getInstance();
protected ConnectorRuntime _runtime;
private ResourcesUtil resourcesUtil;
/**
* Default Constructor
*/
public ConnectorService() {
_runtime = ConnectorRuntime.getRuntime();
}
public ResourcesUtil getResourcesUtil(){
if(resourcesUtil == null){
resourcesUtil = ResourcesUtil.createInstance();
}
return resourcesUtil;
}
/**
* Returns the generated default connection poolName for a
* connection definition.
*
* @param moduleName rar module name
* @param connectionDefName connection definition name
* @return generated connection poolname
*/
// TODO V3 can the default pool name generation be fully done by connector-admin-service-utils ?
public String getDefaultPoolName(String moduleName,
String connectionDefName) {
return moduleName + POOLNAME_APPENDER + connectionDefName;
}
/**
* Returns the generated default connector resource for a
* connection definition.
*
* @param moduleName resource-adapter name
* @param connectionDefName connection definition name
* @return generated default connector resource name
*/
// TODO V3 can the default resource name generation be fully done by connector-admin-service-utils ?
public String getDefaultResourceName(String moduleName,
String connectionDefName) {
//Construct the default resource name as
// #
String resourceJNDIName = ConnectorAdminServiceUtils.getReservePrefixedJNDINameForResource(moduleName);
return resourceJNDIName + RESOURCENAME_APPENDER + connectionDefName;
}
/* public boolean checkAndLoadResource(Object resource, Object pool, String resourceType, String resourceName,
String raName)
throws ConnectorRuntimeException {
String resname = ConnectorAdminServiceUtils.getOriginalResourceName(resourceName);
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("ConnectorService :: checkAndLoadResource resolved to load " + resname);
}
DeferredResourceConfig defResConfig = getResourcesUtil().getDeferredResourceConfig(resource, pool, resourceType, raName);
//DeferredResourceConfig defResConfig = resUtil.getDeferredResourceConfig(resname);
return loadResourcesAndItsRar(defResConfig);
}
*/
public boolean loadResourcesAndItsRar(DeferredResourceConfig defResConfig) {
if (defResConfig != null) {
try {
loadDeferredResources(defResConfig.getResourceAdapterConfig());
final String rarName = defResConfig.getRarName();
loadDeferredResourceAdapter(rarName);
final Resource[] resToLoad = defResConfig.getResourcesToLoad();
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
loadDeferredResources(resToLoad);
} catch (Exception ex) {
Object params[] = new Object[]{rarName, ex};
_logger.log(Level.SEVERE, "failed.to.load.deferred.resources", params);
}
return null;
}
});
} catch (Exception ex) {
Object params[] = new Object[]{defResConfig.getRarName(), ex};
_logger.log(Level.SEVERE, "failed.to.load.deferred.ra", params);
return false;
}
return true;
}
return false;
}
public void loadDeferredResourceAdapter(String rarModuleName)
throws ConnectorRuntimeException {
//load the RA if its not already loaded
if (_registry.getActiveResourceAdapter(rarModuleName) == null) {
try {
//Do this only for System RA
if (ConnectorsUtil.belongsToSystemRA(rarModuleName)) {
String systemModuleLocation = ConnectorsUtil.getSystemModuleLocation(rarModuleName);
if(_runtime.isServer()){
_runtime.getMonitoringBootstrap().registerProbes(rarModuleName,
new File(systemModuleLocation), _runtime.getSystemRARClassLoader(rarModuleName));
}
_runtime.createActiveResourceAdapter(systemModuleLocation, rarModuleName, null);
} /* not needed as long as standalone + embedded rars are loaded before recovery
else if (rarModuleName.indexOf(ConnectorConstants.EMBEDDEDRAR_NAME_DELIMITER) != -1) {
createActiveResourceAdapterForEmbeddedRar(rarModuleName);
} else{
_runtime.createActiveResourceAdapter(ConnectorsUtil.getLocation(rarModuleName), rarModuleName, null);
}*/
} catch (Exception e) {
ConnectorRuntimeException ce =
new ConnectorRuntimeException(e.getMessage());
ce.initCause(e);
throw ce;
}
}
}
public void createActiveResourceAdapterForEmbeddedRar(String rarModuleName) throws ConnectorRuntimeException {
ConnectorDescriptor cdesc = loadConnectorDescriptorForEmbeddedRAR(rarModuleName);
String appName = ConnectorAdminServiceUtils.getApplicationName(rarModuleName);
String rarFileName = ConnectorAdminServiceUtils
.getConnectorModuleName(rarModuleName) + ".rar";
String loc = getResourcesUtil().getApplicationDeployLocation(appName);
loc = loc + File.separator + FileUtils.makeFriendlyFilename(rarFileName);
String path = null;
try {
URI uri = new URI(loc);
path = uri.getPath();
} catch (URISyntaxException use) {
ConnectorRuntimeException cre = new ConnectorRuntimeException("Invalid path [ "+use.getMessage()+" ]");
cre.setStackTrace(use.getStackTrace());
_logger.log(Level.WARNING, cre.getMessage(), cre);
throw cre;
}
// start RA
_runtime.createActiveResourceAdapter(cdesc, rarModuleName, path);
}
public void loadDeferredResources(Resource[] resourcesToLoad)
throws Exception {
if (resourcesToLoad == null || resourcesToLoad.length == 0) {
return;
}
for (Resource resource : resourcesToLoad) {
if (resource == null) {
continue;
} else if (getResourcesUtil().isEnabled(resource)) {
try {
_runtime.getResourceDeployer(resource).deployResource(resource);
} catch (Exception e) {
ConnectorRuntimeException cre = new ConnectorRuntimeException(e.getMessage());
cre.initCause(e);
throw cre;
}
}
}
}
/**
* Obtains the connector Descriptor pertaining to rar.
* If ConnectorDescriptor is present in registry, it is obtained from
* registry and returned. Else it is explicitly read from directory
* where rar is exploded.
*
* @param rarName Name of the rar
* @return ConnectorDescriptor pertaining to rar.
* @throws ConnectorRuntimeException when unable to get descriptor
*/
public ConnectorDescriptor getConnectorDescriptor(String rarName)
throws ConnectorRuntimeException {
if (rarName == null) {
return null;
}
ConnectorDescriptor desc = null;
desc = _registry.getDescriptor(rarName);
if (desc != null) {
return desc;
}
String moduleDir;
//If the RAR is embedded try loading the descriptor directly
//using the applicationarchivist
if (rarName.indexOf(ConnectorConstants.EMBEDDEDRAR_NAME_DELIMITER) != -1){
try {
desc = loadConnectorDescriptorForEmbeddedRAR(rarName);
if (desc != null) return desc;
} catch (ConnectorRuntimeException e) {
throw e;
}
}
if (ConnectorsUtil.belongsToSystemRA(rarName)) {
moduleDir = ConnectorsUtil.getSystemModuleLocation(rarName);
} else {
moduleDir = ConnectorsUtil.getLocation(rarName);
}
if (moduleDir != null) {
desc = ConnectorDDTransformUtils.getConnectorDescriptor(moduleDir, rarName);
} else {
_logger.log(Level.SEVERE,
"rardeployment.no_module_deployed", rarName);
}
return desc;
}
/**
* Matching will be switched off in the pool, by default. This will be
* switched on if the connections with different resource principals reach the pool.
*
* @param poolInfo Name of the pool to switchOn matching.
* @param rarName Name of the resource adater.
*/
public void switchOnMatching(String rarName, PoolInfo poolInfo) {
// At present it is applicable to only JDBC resource adapters
// Later other resource adapters also become applicable.
if (rarName.equals(ConnectorConstants.JDBCDATASOURCE_RA_NAME)
|| rarName.equals(ConnectorConstants.JDBCCONNECTIONPOOLDATASOURCE_RA_NAME) ||
rarName.equals(ConnectorConstants.JDBCXA_RA_NAME)) {
PoolManager poolMgr = _runtime.getPoolManager();
boolean result = poolMgr.switchOnMatching(poolInfo);
if (!result) {
try {
_runtime.switchOnMatchingInJndi(poolInfo);
} catch (ConnectorRuntimeException cre) {
// This will never happen.
}
}
}
}
public boolean checkAndLoadPool(PoolInfo poolInfo) {
boolean status = false;
try {
ResourcePool pool = _runtime.getConnectionPoolConfig(poolInfo);
//DeferredResourceConfig defResConfig = resutil.getDeferredPoolConfig(poolName);
DeferredResourceConfig defResConfig =
getResourcesUtil().getDeferredResourceConfig(null, pool, null, null);
status = loadResourcesAndItsRar(defResConfig);
} catch (ConnectorRuntimeException cre) {
Object params[] = new Object[]{poolInfo, cre};
_logger.log(Level.WARNING, "unable.to.load.connection.pool", params);
}
return status;
}
/*
public boolean checkAndLoadJdbcPool(String poolName) {
boolean status = false;
try {
ResourcesUtil resutil = ResourcesUtil.createInstance();
JdbcConnectionPool pool = _runtime.getJdbcConnectionPoolConfig(poolName);
DeferredResourceConfig defResConfig =
resutil.getDeferredResourceConfig(null, pool, ConnectorConstants.RES_TYPE_JDBC, null);
status = loadResourcesAndItsRar(defResConfig);
} catch (ConnectorRuntimeException cre) {
_logger.log(Level.WARNING, "unable to load Jdbc Connection Pool [ " + poolName + " ]", cre);
}
return status;
}
*/
public void ifSystemRarLoad(String rarName)
throws ConnectorRuntimeException {
if(ConnectorsUtil.belongsToSystemRA(rarName)){
loadDeferredResourceAdapter(rarName);
}
}
//TODO V3 with annotations, is it right a approach to load the descriptor using Archivist ?
private ConnectorDescriptor loadConnectorDescriptorForEmbeddedRAR(String rarName) throws ConnectorRuntimeException {
//If the RAR is embedded try loading the descriptor directly
//using the applicationarchivist
ResourcesUtil resutil = ResourcesUtil.createInstance();
String rarFileName = ConnectorAdminServiceUtils.getConnectorModuleName(rarName) + ".rar";
return resutil.getConnectorDescriptorFromUri(rarName, rarFileName);
}
/**
* Check whether ClassLoader is permitted to access this resource adapter.
* If the RAR is deployed and is not a standalone RAR, then only the ClassLoader
* that loaded the archive (any of its child) should be able to access it. Otherwise everybody can
* access the RAR.
*
* @param rarName Resource adapter module name.
* @param loader ClassLoader to verify.
*/
public boolean checkAccessibility(String rarName, ClassLoader loader) {
ActiveResourceAdapter ar = _registry.getActiveResourceAdapter(rarName);
if (ar != null && loader != null) { // If RA is deployed
ClassLoader rarLoader = ar.getClassLoader();
//If the RAR is not standalone.
if (rarLoader != null && ConnectorAdminServiceUtils.isEmbeddedConnectorModule(rarName)
/*&& (!(rarLoader instanceof ConnectorClassFinder))*/) {
ClassLoader rarLoaderParent = rarLoader.getParent();
ClassLoader parent = loader;
while (true) {
if (parent.equals(rarLoaderParent)) {
return true;
}
final ClassLoader temp = parent;
Object obj = AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
return temp.getParent();
}
});
if (obj == null) {
break;
} else {
parent = (ClassLoader) obj;
}
}
// If no parent matches return false;
return false;
}
}
return true;
}
}
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