/*
 *      Copyright (c) 2002 Frodo
 *      Portions Copyright (c) by the authors of ffmpeg and xvid
 *      Copyright (C) 2002-2013 Team XBMC
 *      http://xbmc.org
 *
 *  This Program 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, or (at your option)
 *  any later version.
 *
 *  This Program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC; see the file COPYING.  If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 */

// FilePipe.h: interface for the CPipeFile class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FILEPIPE_H__DD2B0A9E_4971_4A29_B525_78CEFCDAF4A1__INCLUDED_)
#define AFX_FILEPIPE_H__DD2B0A9E_4971_4A29_B525_78CEFCDAF4A1__INCLUDED_

#pragma once
#include <string>
#include <vector>

#include "IFile.h"
#include "threads/CriticalSection.h"
#include "PipesManager.h"

namespace XFILE
{
  
class CPipeFile : public IFile, public IPipeListener
{
public:
  CPipeFile();
  virtual ~CPipeFile();
  virtual int64_t GetPosition();
  virtual int64_t GetLength();
  virtual void SetLength(int64_t len);
  virtual bool Open(const CURL& url);
  virtual bool Exists(const CURL& url);
  virtual int Stat(const CURL& url, struct __stat64* buffer);
  virtual int Stat(struct __stat64* buffer);
  virtual ssize_t Read(void* lpBuf, size_t uiBufSize);
  virtual ssize_t Write(const void* lpBuf, size_t uiBufSize);
  virtual int64_t Seek(int64_t iFilePosition, int iWhence = SEEK_SET);
  virtual void Close();
  virtual void Flush();
  virtual int64_t	GetAvailableRead();

  virtual bool OpenForWrite(const CURL& url, bool bOverWrite = false);

  virtual bool Delete(const CURL& url);
  virtual bool Rename(const CURL& url, const CURL& urlnew);
  virtual int IoControl(int request, void* param);
  
  std::string GetName() const;
  
  virtual void OnPipeOverFlow();
  virtual void OnPipeUnderFlow();

  void AddListener(IPipeListener *l);
  void RemoveListener(IPipeListener *l);

  void SetEof();
  bool IsEof();
  bool IsEmpty();
  bool IsClosed();
  
  void SetOpenThreashold(int threashold);

protected:
  int64_t m_pos;
  int64_t m_length;
  
  XFILE::Pipe *m_pipe;
  
  CCriticalSection m_lock;
  std::vector<XFILE::IPipeListener *> m_listeners;
};

}
#endif // !defined(AFX_FILEPIPE_H__DD2B0A9E_4971_4A29_B525_78CEFCDAF4A1__INCLUDED_)
