/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
 * vim:expandtab:shiftwidth=8:tabstop=8:
 */
/******************************************************************************\
*                                                                              *
*        Copyright (c) 2003, The Regents of the University of California       *
*      See the file COPYRIGHT for a complete copyright notice and license.     *
*                                                                              *
********************************************************************************
*
* Definitions and prototypes of abstract I/O interface
*
\******************************************************************************/

#ifndef _AIORI_H
#define _AIORI_H

#include <mpi.h>

#ifndef MPI_FILE_NULL
#   include <mpio.h>
#endif /* not MPI_FILE_NULL */

#include "ior.h"
#include "iordef.h"                                     /* IOR Definitions */

/*************************** D E F I N I T I O N S ****************************/

/* -- file open flags -- */
#define IOR_RDONLY        0x01    /* read only */
#define IOR_WRONLY        0x02    /* write only */
#define IOR_RDWR          0x04    /* read/write */
#define IOR_APPEND        0x08    /* append */
#define IOR_CREAT         0x10    /* create */
#define IOR_TRUNC         0x20    /* truncate */
#define IOR_EXCL          0x40    /* exclusive */
#define IOR_DIRECT        0x80    /* bypass I/O buffers */

/* -- file mode flags -- */
#define IOR_IRWXU         0x0001  /* read, write, execute perm: owner */
#define IOR_IRUSR         0x0002  /* read permission: owner */
#define IOR_IWUSR         0x0004  /* write permission: owner */
#define IOR_IXUSR         0x0008  /* execute permission: owner */
#define IOR_IRWXG         0x0010  /* read, write, execute perm: group */
#define IOR_IRGRP         0x0020  /* read permission: group */
#define IOR_IWGRP         0x0040  /* write permission: group */
#define IOR_IXGRP         0x0080  /* execute permission: group */
#define IOR_IRWXO         0x0100  /* read, write, execute perm: other */
#define IOR_IROTH         0x0200  /* read permission: other */
#define IOR_IWOTH         0x0400  /* write permission: other */
#define IOR_IXOTH         0x0800 /* execute permission: other */

typedef struct ior_aiori {
        char *name;
        void *(*create)(char *, IOR_param_t *);
        void *(*open)(char *, IOR_param_t *);
        IOR_offset_t (*xfer)(int, void *, IOR_size_t *,
                             IOR_offset_t, IOR_param_t *);
        void (*close)(void *, IOR_param_t *);
        void (*delete)(char *, IOR_param_t *);
        void (*set_version)(IOR_param_t *);
        void (*fsync)(void *, IOR_param_t *);
        IOR_offset_t (*get_file_size)(IOR_param_t *, MPI_Comm, char *);
} ior_aiori_t;

extern ior_aiori_t hdf5_aiori;
extern ior_aiori_t hdfs_aiori;
extern ior_aiori_t mpiio_aiori;
extern ior_aiori_t ncmpi_aiori;
extern ior_aiori_t posix_aiori;
extern ior_aiori_t plfs_aiori;
extern ior_aiori_t s3_aiori;
extern ior_aiori_t s3_plus_aiori;
extern ior_aiori_t s3_emc_aiori;


IOR_offset_t MPIIO_GetFileSize(IOR_param_t * test, MPI_Comm testComm,
                               char *testFileName);

#endif /* not _AIORI_H */