/*
 * 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.env;

import com.caucho.quercus.*;
import com.caucho.quercus.expr.Expr;
import com.caucho.quercus.lib.ErrorModule;
import com.caucho.quercus.lib.VariableModule;
import com.caucho.quercus.lib.OptionsModule;
import com.caucho.quercus.lib.file.FileModule;
import com.caucho.quercus.lib.file.PhpStderr;
import com.caucho.quercus.lib.file.PhpStdin;
import com.caucho.quercus.lib.file.PhpStdout;
import com.caucho.quercus.lib.regexp.RegexpState;
import com.caucho.quercus.lib.string.StringModule;
import com.caucho.quercus.lib.string.StringUtility;
import com.caucho.quercus.module.ModuleContext;
import com.caucho.quercus.module.ModuleStartupListener;
import com.caucho.quercus.module.IniDefinition;
import com.caucho.quercus.page.QuercusPage;
import com.caucho.quercus.program.*;
import com.caucho.quercus.function.AbstractFunction;
import com.caucho.quercus.resources.StreamContextResource;
import com.caucho.util.*;
import com.caucho.vfs.ByteToChar;
import com.caucho.vfs.Encoding;
import com.caucho.vfs.MemoryPath;
import com.caucho.vfs.NullPath;
import com.caucho.vfs.Path;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.WriteStream;
import com.caucho.vfs.TempBuffer;
import com.caucho.vfs.i18n.EncodingReader;

import javax.script.Bindings;
import javax.script.ScriptContext;
import javax.servlet.ServletContext;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.SoftReference;
import java.lang.ref.WeakReference;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.IdentityHashMap;
import java.util.TimeZone;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Represents the Quercus environment.
 */
public class GoogleEnv extends Env {
  private int _timeoutCount;
  
  public GoogleEnv(QuercusContext quercus,
                   QuercusPage page,
                   WriteStream out,
                   HttpServletRequest request,
                   HttpServletResponse response)
  {
    super(quercus, page, out, request, response);
  }

  public GoogleEnv(QuercusContext quercus)
  {
    super(quercus);
  }

  /**
   * Checks for the program timeout.
   */
  @Override
  public void checkTimeout()
  {
    // since GoogleAppEngine doesn't allow Threads, the normal Alarm
    // optimization doesn't work.  Instead use a timeout count to limit
    // the calls
    if (_timeoutCount-- > 0)
      return;

    _timeoutCount = 8192;

    super.checkTimeout();
  }

  @Override
  public void resetTimeout()
  {
    super.resetTimeout();

    _timeoutCount = 8192;
  }
}