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/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * SelectServerInterface.h
 * An interface to a SelectServer that enforces clean separation.
 * Copyright (C) 2010 Simon Newton
 */

#ifndef INCLUDE_OLA_IO_SELECTSERVERINTERFACE_H_
#define INCLUDE_OLA_IO_SELECTSERVERINTERFACE_H_

#include <ola/Callback.h>
#include <ola/Clock.h>
#include <ola/io/Descriptor.h>
#include <ola/thread/SchedulingExecutorInterface.h>

namespace ola {
namespace io {

class SelectServerInterface: public ola::thread::SchedulingExecutorInterface {
 public :
  SelectServerInterface() {}
  virtual ~SelectServerInterface() {}

  virtual bool AddReadDescriptor(class ReadFileDescriptor *descriptor) = 0;
  virtual bool AddReadDescriptor(class ConnectedDescriptor *socket,
                                 bool delete_on_close = false) = 0;
  virtual bool RemoveReadDescriptor(
      class ReadFileDescriptor *descriptor) = 0;
  virtual bool RemoveReadDescriptor(class ConnectedDescriptor *socket) = 0;

  virtual bool AddWriteDescriptor(
      class WriteFileDescriptor *descriptor) = 0;
  virtual bool RemoveWriteDescriptor(
      class WriteFileDescriptor *descriptor) = 0;

  virtual ola::thread::timeout_id RegisterRepeatingTimeout(
      unsigned int ms,
      Callback0<bool> *closure) = 0;
  virtual ola::thread::timeout_id RegisterRepeatingTimeout(
      const ola::TimeInterval &interval,
      ola::Callback0<bool> *closure) = 0;

  virtual ola::thread::timeout_id RegisterSingleTimeout(
      unsigned int ms,
      SingleUseCallback0<void> *closure) = 0;
  virtual ola::thread::timeout_id RegisterSingleTimeout(
      const ola::TimeInterval &interval,
      SingleUseCallback0<void> *closure) = 0;

  virtual void RemoveTimeout(ola::thread::timeout_id id) = 0;

  virtual const TimeStamp *WakeUpTime() const = 0;
};
}  // namespace io
}  // namespace ola
#endif  // INCLUDE_OLA_IO_SELECTSERVERINTERFACE_H_