apache_rewrite_driver_factory.h

Go to the documentation of this file.

// Copyright 2010 Google Inc.

#ifndef PAGESPEED_APACHE_APACHE_REWRITE_DRIVER_FACTORY_H_
#define PAGESPEED_APACHE_APACHE_REWRITE_DRIVER_FACTORY_H_

#include "pagespeed/apache/apache_config.h"
#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/scoped_ptr.h"
#include "pagespeed/kernel/base/statistics.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"
#include "pagespeed/system/system_rewrite_driver_factory.h"

struct apr_pool_t;
struct server_rec;

namespace net_instaweb {

class ApacheMessageHandler;
class ApacheServerContext;
class MessageHandler;
class ProcessContext;
class ServerContext;
class SchedulerThread;
class SharedCircularBuffer;
class SlowWorker;
class Timer;

class ApacheRewriteDriverFactory : public SystemRewriteDriverFactory {
 public:
  ApacheRewriteDriverFactory(const ProcessContext& process_context,
                             server_rec* server, const StringPiece& version);
  virtual ~ApacheRewriteDriverFactory();

  ApacheMessageHandler* apache_message_handler() {
    return apache_message_handler_;
  }

  virtual void NonStaticInitStats(Statistics* statistics) {
    InitStats(statistics);
  }

  ApacheServerContext* MakeApacheServerContext(server_rec* server);

  bool PoolDestroyed(ApacheServerContext* rm);

  virtual ApacheConfig* NewRewriteOptions();

  virtual ApacheConfig* NewRewriteOptionsForQuery();

  static void InitStats(Statistics* statistics);
  static void Initialize();
  static void Terminate();

  void SetNeedSchedulerThread();

  virtual void set_message_buffer_size(int x) {
    SystemRewriteDriverFactory::set_message_buffer_size(x);
  }

  virtual bool IsServerThreaded();
  virtual int LookupThreadLimit();

 protected:
  virtual MessageHandler* DefaultHtmlParseMessageHandler();
  virtual MessageHandler* DefaultMessageHandler();
  virtual Timer* DefaultTimer();
  virtual void SetupCaches(ServerContext* server_context);

  virtual bool ShouldWriteResourcesToFileSystem() { return false; }

  virtual void ParentOrChildInit();

  virtual void SetupMessageHandlers();
  virtual void ShutDownMessageHandlers();

  virtual void SetCircularBuffer(SharedCircularBuffer* buffer);

  virtual ServerContext* NewDecodingServerContext();

 private:

  apr_pool_t* pool_;
  server_rec* server_rec_;
  scoped_ptr<SlowWorker> slow_worker_;
  SchedulerThread* scheduler_thread_; 

  GoogleString version_;

  ApacheMessageHandler* apache_message_handler_;
  ApacheMessageHandler* apache_html_parse_message_handler_;

  
};

}  

#endif