grib2dispatch.h

Go to the documentation of this file.

 
#ifndef _GRIB2DISPATCH_H
#define _GRIB2DISPATCH_H
 
#include "config.h"
#include "ncdispatch.h"
#include "nep.h"
 
#ifdef NC_FORMATX_UDF2
#define NC_FORMATX_NC_GRIB2 NC_FORMATX_UDF2
#else
#define NC_FORMATX_NC_GRIB2 NC_FORMATX_UDF0
#endif
 
#define NC_MAX_GRIB2_MESSAGES 4096
 
#define GRIB2_MAGIC_LEN 4
 
#define NC_GRIB2_ABBREV_LEN 64
 
typedef struct NC_GRIB2_PROD_INFO
{
    int msg_index;                    
    int prod_index;                   
    unsigned char discipline;         
    int category;                     
    int param_number;                 
    size_t nx;                        
    size_t ny;                        
    size_t bytes_to_msg;              
    size_t bytes_in_msg;              
    char abbrev[NC_GRIB2_ABBREV_LEN]; 
} NC_GRIB2_PROD_INFO_T;
 
typedef struct NC_VAR_GRIB2_INFO
{
    int msg_index;          
    int prod_index;         
    int discipline;         
    int category;           
    int param_number;       
    size_t bytes_to_msg;    
    size_t bytes_in_msg;    
} NC_VAR_GRIB2_INFO_T;
 
typedef struct NC_GRIB2_FILE_INFO
{
    int g2cid;                    
    int num_messages;             
    int num_products;             
    size_t num_y;                 
    size_t num_x;                 
    char *path;                   
    NC_GRIB2_PROD_INFO_T *products; 
} NC_GRIB2_FILE_INFO_T;
 
#if defined(__cplusplus)
extern "C" {
#endif
 
    extern int
    NC_GRIB2_open(const char *path, int mode, int basepe, size_t *chunksizehintp,
                  void *parameters, const NC_Dispatch *, int);
 
    extern int
    NC_GRIB2_abort(int ncid);
 
    extern int
    NC_GRIB2_close(int ncid, void *ignore);
 
    extern int
    NC_GRIB2_inq_format(int ncid, int *formatp);
 
    extern int
    NC_GRIB2_inq_format_extended(int ncid, int *formatp, int *modep);
 
    extern int
    NC_GRIB2_get_vara(int ncid, int varid, const size_t *start, const size_t *count,
                      void *value, nc_type);
 
    extern NC_Dispatch*
    NC_GRIB2_initialize(void);
 
    extern int
    NC_GRIB2_finalize(void);
 
#define GRIB2_INIT_OK() (NC_GRIB2_initialize() != NULL)
#define GRIB2_INIT_AND_ASSIGN(ret) do { \
        NC_Dispatch *_d = NC_GRIB2_initialize(); \
        (ret) = (_d != NULL) ? NC_NOERR : NC_ENOTNC; \
    } while(0)
 
    extern const NC_Dispatch *GRIB2_dispatch_table;
 
#if defined(__cplusplus)
}
#endif
 
#endif /* _GRIB2DISPATCH_H */