block_driver_base.hpp

#if !defined(__BLOCK_DRIVER_BASE_HPP__)
#define __BLOCK_DRIVER_BASE_HPP__

//
// local includes
//
#include "block_driver.hpp"

struct block_driver_base : public block_driver
{
  protected:
    const string driver_name;
    state_flags flags;

  public:
    inline block_driver_base(const string &driver_name, const state_flags flags=0)
        : driver_name(driver_name), flags(flags)
    {}

    //
    // block_driver: override name
    //
    virtual inline const char *name(void) const
    {
        return driver_name.c_str();
    }

    //
    // block_driver: override state management functions
    //
    virtual inline bool is(const state_flags flags) const
    {
        return this->flags.is(flags);
    }

    virtual inline const state_flags state(void) const
    {
        return flags;
    }

    //
    // block_driver: override reset & flush_sectors (with dummys)
    //
    virtual inline int reset(void)
    {
        // some drivers may not need to be reset
        return 0;
    }

    virtual inline int flush_sectors(void)
    {
        // some drivers may not support flushing
        return 0;
    }
};

#endif

// ***** end of source ***** //