/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef FILE_DEVICE_H
#define FILE_DEVICE_H


#include "BaseDevice.h"


namespace BPrivate {


class FileDevice : public BaseDevice {
public:
                                                        FileDevice();
        virtual                                 ~FileDevice();

                        status_t                Init(const char* path);

        virtual status_t                InitDevice();
        virtual void                    UninitDevice();

        virtual void                    Removed();

        virtual bool                    HasSelect() const;
        virtual bool                    HasDeselect() const;
        virtual bool                    HasRead() const;
        virtual bool                    HasWrite() const;
        virtual bool                    HasIO() const;

        virtual status_t                Open(const char* path, int openMode,
                                                                void** _cookie);
        virtual status_t                Read(void* cookie, off_t pos, void* buffer,
                                                                size_t* _length);
        virtual status_t                Write(void* cookie, off_t pos, const void* buffer,
                                                                size_t* _length);
        virtual status_t                IO(void* cookie, io_request* request);
        virtual status_t                Control(void* cookie, int32 op, void* buffer,
                                                                size_t length);
        virtual status_t                Select(void* cookie, uint8 event, selectsync* sync);
        virtual status_t                Deselect(void* cookie, uint8 event,
                                                                selectsync* sync);

        virtual status_t                Close(void* cookie);
        virtual status_t                Free(void* cookie);

private:
        struct Cookie;

private:
        int                                             fFD;
        off_t                                   fFileSize;
};


} // namespace BPrivate


using BPrivate::FileDevice;


#endif  // FILE_DEVICE_H