pagespeed/controller/in_process_central_controller.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * 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.
 */

#ifndef PAGESPEED_CONTROLLER_IN_PROCESS_CENTRAL_CONTROLLER_H_
#define PAGESPEED_CONTROLLER_IN_PROCESS_CENTRAL_CONTROLLER_H_

#include "pagespeed/controller/central_controller.h"
#include "pagespeed/controller/expensive_operation_callback.h"
#include "pagespeed/controller/expensive_operation_controller.h"
#include "pagespeed/controller/schedule_rewrite_callback.h"
#include "pagespeed/controller/schedule_rewrite_controller.h"
#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/scoped_ptr.h"
#include "pagespeed/kernel/base/statistics.h"

namespace net_instaweb {

// Concrete implementation of CentralController, suitable for calling directly
// by workers that run in the same process as the controller. Implemented by
// delegating to pluggable implementations of the component tasks.

class InProcessCentralController : public CentralController {
 public:
  // Takes ownership of both controllers.
  InProcessCentralController(
      ExpensiveOperationController* expensive_operation_controller,
      ScheduleRewriteController* schedule_rewrite_controller);

  ~InProcessCentralController() override;

  void ScheduleExpensiveOperation(
      ExpensiveOperationCallback* callback) override;
  void ScheduleRewrite(ScheduleRewriteCallback* callback) override;

  static void InitStats(Statistics* stats);
  void ShutDown() override;

 private:
  std::unique_ptr<ExpensiveOperationController> expensive_operation_controller_;
  std::unique_ptr<ScheduleRewriteController> schedule_rewrite_controller_;

  DISALLOW_COPY_AND_ASSIGN(InProcessCentralController);
};

}  // namespace net_instaweb

#endif  // PAGESPEED_CONTROLLER_IN_PROCESS_CENTRAL_CONTROLLER_H_