/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus;
import com.caucho.VersionFactory;
import com.caucho.loader.*;
import com.caucho.distcache.*;
import com.caucho.env.distcache.DistCacheSystem;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.module.ModuleContext;
import com.caucho.quercus.module.ResinModuleContext;
import com.caucho.server.webapp.*;
import com.caucho.server.cluster.Server;
import com.caucho.server.session.*;
import com.caucho.sql.*;
import com.caucho.util.*;
import com.caucho.vfs.*;
import com.caucho.java.*;
import javax.sql.DataSource;
import java.sql.*;
import java.util.ArrayList;
import java.util.Map;
import java.util.logging.Logger;
/**
* Facade for the PHP language.
*/
public class ResinQuercus extends QuercusContext
{
private static L10N L = new L10N(ResinQuercus.class);
private static final Logger log
= Logger.getLogger(ResinQuercus.class.getName());
private static EnvironmentLocal<ModuleContext> _localModuleContext
= new EnvironmentLocal<ModuleContext>();
private AbstractCache _sessionCache;
private WebApp _webApp;
private long _dependencyCheckInterval = 2000L;
/**
* Constructor.
*/
public ResinQuercus()
{
super();
setPwd(Vfs.lookup());
setWorkDir(WorkDir.getLocalWorkDir());
EnvironmentClassLoader loader = Environment.getEnvironmentClassLoader();
if (loader != null)
_dependencyCheckInterval = loader.getDependencyCheckInterval();
}
public void setWebApp(WebApp webApp)
{
_webApp = webApp;
}
public WebApp getWebApp()
{
return _webApp;
}
/**
* Returns the current time.
*/
@Override
public long getCurrentTime()
{
return Alarm.getCurrentTime();
}
/**
* Returns the current time in nanoseconds.
*/
@Override
public long getExactTimeNanoseconds()
{
return Alarm.getExactTimeNanoseconds();
}
/**
* Returns the exact current time in milliseconds.
*/
@Override
public long getExactTime()
{
return Alarm.getExactTime();
}
@Override
public ModuleContext getLocalContext(ClassLoader loader)
{
synchronized (_localModuleContext) {
ModuleContext context = _localModuleContext.getLevel(loader);
if (context == null) {
ClassLoader envLoader = Environment.getEnvironmentClassLoader(loader);
ModuleContext parent = null;
if (envLoader != null) {
parent = getLocalContext(envLoader.getParent());
}
context = createModuleContext(parent, loader);
_localModuleContext.set(context, loader);
context.init();
}
return context;
}
}
@Override
protected ModuleContext createModuleContext(ModuleContext parent,
ClassLoader loader)
{
return new ResinModuleContext(parent, loader);
}
public String getCookieName()
{
SessionManager sm = getSessionManager();
if (sm != null)
return sm.getCookieName();
else
return "JSESSIONID";
}
@Override
public Map getSessionCache()
{
if (_sessionCache == null && Server.getCurrent() != null) {
CacheManagerImpl cacheManager = DistCacheSystem.getCurrent().getCacheManager();
AbstractCache cache = cacheManager.create("resin:quercus:session");
cache.setIdleTimeoutMillis(3600 * 1000L);
_sessionCache = cache;
}
return _sessionCache;
}
@Override
public void setSessionTimeout(long sessionTimeout)
{
if (_sessionCache == null)
getSessionCache();
_sessionCache.setIdleTimeoutMillis(sessionTimeout);
}
public SessionManager getSessionManager()
{
if (_webApp != null)
return _webApp.getSessionManager();
else
return null;
}
@Override
public long getDependencyCheckInterval()
{
return _dependencyCheckInterval;
}
@Override
public String getVersion()
{
return VersionFactory.getVersion();
}
@Override
public String getVersionDate()
{
return VersionFactory.getVersionDate();
}
@Override
public DataSource findDatabase(String driver, String url)
{
try {
if (getDatabase() != null)
return getDatabase();
else if (isConnectionPool())
return DatabaseManager.findDatabase(url, driver);
else
return super.findDatabase(driver, url);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new QuercusModuleException(e);
}
}
/**
* Unwrap connection if necessary.
*/
@Override
public Connection getConnection(Connection conn)
{
try {
return ((UserConnection) conn).getConnection();
} catch (Exception e) {
throw new QuercusModuleException(e);
}
}
/**
* Marks the connection for removal from the connection pool.
*/
@Override
public void markForPoolRemoval(Connection conn)
{
ManagedConnectionImpl mConn = ((UserConnection) conn).getMConn();
String url = mConn.getURL();
String driver = mConn.getDriverClass().getCanonicalName();
DataSource ds = findDatabase(driver, url);
((DBPool) ds).markForPoolRemoval(mConn);
}
/**
* Unwrap statement if necessary.
*/
public Statement getStatement(Statement stmt)
{
return ((UserStatement) stmt).getStatement();
}
/**
* Returns true if Quercus is running under Resin.
*/
@Override
public boolean isResin()
{
return true;
}
@Override
public void start()
{
new Alarm(getQuercusSessionManager()).queue(60000);
new WeakAlarm(new EnvTimeoutAlarmListener()).queue(_envTimeout);
}
class EnvTimeoutAlarmListener implements AlarmListener {
public void handleAlarm(Alarm alarm)
{
try {
ArrayList<Env> activeEnv = new ArrayList<Env>(getActiveEnvSet().keySet());
for (Env env : activeEnv) {
env.updateTimeout();
}
} finally {
if (! isClosed()) {
alarm.queue(_envTimeout);
}
}
}
}
}