hamsterdb_int.h

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#ifndef HAM_HAMSTERDB_INT_H__
#define HAM_HAMSTERDB_INT_H__

#include <ham/hamsterdb.h>

#ifdef __cplusplus
extern "C" {
#endif 

#define HAM_DEFAULT_DATABASE_NAME     (0xf000)

#define HAM_FIRST_DATABASE_NAME       (0xf001)

#define HAM_DUMMY_DATABASE_NAME       (0xf002)

#define HAM_PARAM_GET_STATISTICS        0x00000206

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_check_integrity(ham_db_t *db, ham_txn_t *txn);

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_calc_maxkeys_per_page(ham_db_t *db, ham_size_t *keycount, 
            ham_u16_t keysize);

HAM_EXPORT void HAM_CALLCONV
ham_set_context_data(ham_db_t *db, void *data);

HAM_EXPORT void * HAM_CALLCONV
ham_get_context_data(ham_db_t *db);

struct ham_file_filter_t;
typedef struct ham_file_filter_t ham_file_filter_t;

typedef ham_status_t (*ham_file_filter_before_write_cb_t)(ham_env_t *env, 
        ham_file_filter_t *filter, ham_u8_t *file_data, ham_size_t file_size);

typedef ham_status_t (*ham_file_filter_after_read_cb_t)(ham_env_t *env, 
        ham_file_filter_t *filter, ham_u8_t *file_data, ham_size_t file_size);

typedef void (*ham_file_filter_close_cb_t)(ham_env_t *env, 
        ham_file_filter_t *filter);

struct ham_file_filter_t
{
    void *userdata;

    ham_file_filter_before_write_cb_t before_write_cb;

    ham_file_filter_after_read_cb_t after_read_cb;

    ham_file_filter_close_cb_t close_cb;

    ham_u32_t _flags;

    ham_file_filter_t *_next, *_prev;

};

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_env_add_file_filter(ham_env_t *env, ham_file_filter_t *filter);

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_env_remove_file_filter(ham_env_t *env, ham_file_filter_t *filter);

struct ham_record_filter_t;
typedef struct ham_record_filter_t ham_record_filter_t;

typedef ham_status_t (*ham_record_filter_before_insert_cb_t)(ham_db_t *db, 
        ham_record_filter_t *filter, ham_record_t *record);

typedef ham_status_t (*ham_record_filter_after_read_cb_t)(ham_db_t *db, 
        ham_record_filter_t *filter, ham_record_t *record);

typedef void (*ham_record_filter_close_cb_t)(ham_db_t *db, 
        ham_record_filter_t *filter);

struct ham_record_filter_t
{
    void *userdata;

    ham_record_filter_before_insert_cb_t before_write_cb;

    ham_record_filter_after_read_cb_t after_read_cb;

    ham_record_filter_close_cb_t close_cb;

    ham_u32_t _flags;

    ham_record_filter_t *_next, *_prev;

};

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_add_record_filter(ham_db_t *db, ham_record_filter_t *filter);

HAM_EXPORT ham_status_t HAM_CALLCONV
ham_remove_record_filter(ham_db_t *db, ham_record_filter_t *filter);

struct ham_device_t;
typedef struct ham_device_t ham_device_t;
HAM_EXPORT ham_status_t HAM_CALLCONV
ham_env_set_device(ham_env_t *env, ham_device_t *device);

HAM_EXPORT ham_db_t * HAM_CALLCONV
ham_cursor_get_database(ham_cursor_t *cursor);

/* internal flag - do not use!! */
#define HAM_HINT_UBER_FAST_ACCESS     0x00040000
/* internal flag - do not use!! */
#define HAM_HINT_RANDOM_ACCESS        0x00020000
/* internal flag - do not use!! */
#define HAM_HINT_SEQUENTIAL           0x00010000

#ifdef __cplusplus
} // extern "C"
#endif 

#endif /* HAM_HAMSTERDB_INT_H__ */