netcdf-c/libsrc5/nc5dispatch.c
2013-03-15 20:31:07 +00:00

1124 lines
28 KiB
C

/********************************************************************* * Copyright 1993, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/libsrc4/NC5dispatch.c,v 1.5 2010/05/27 02:19:37 dmh Exp $
*********************************************************************/
/* WARNING: Order of mpi.h, nc.h, and pnetcdf.h is important */
#include "config.h"
#include <stdlib.h>
#include <mpi.h>
#include "nc.h"
#include "ncdispatch.h"
/* Must follow netcdf.h */
#include <pnetcdf.h>
typedef struct NC5_INFO
{
int int_ncid;
/* pnetcdf_file will be true if the file is created/opened with the
* parallel-netcdf library. pnetcdf_access_mode keeps track of
* whether independpent or collective mode is
* desired. pnetcdf_ndims keeps track of how many dims each var
* has, which I need to know to convert start, count, and stride
* arrays from size_t to MPI_Offset. (I can't use an inq function
* to find out the number of dims, because these are collective in
* pnetcdf.) */
int pnetcdf_access_mode;
int pnetcdf_ndims[NC_MAX_VARS];
} NC5_INFO;
/* Define accessors for the dispatchdata */
#define NC5_DATA(nc) ((NC5_INFO*)(nc)->dispatchdata)
#define NC5_DATA_SET(nc,data) ((nc)->dispatchdata = (void*)(data))
#define LEGAL_CREATE_FLAGS (NC_NOCLOBBER | NC_64BIT_OFFSET | NC_CLASSIC_MODEL | NC_SHARE | NC_MPIIO | NC_MPIPOSIX | NC_LOCK | NC_PNETCDF)
#define LEGAL_OPEN_FLAGS (NC_WRITE | NC_NOCLOBBER | NC_SHARE | NC_MPIIO | NC_MPIPOSIX | NC_LOCK | NC_PNETCDF | NC_CLASSIC_MODEL | NC_64BIT_OFFSET)
/**************************************************/
static int
NC5_create(const char *path, int cmode,
size_t initialsz, int basepe, size_t *chunksizehintp,
int use_parallel, void* mpidata,
struct NC_Dispatch* table, NC* nc)
{
int res;
NC5_INFO* nc5;
MPI_Comm comm = 0;
MPI_Info info = 0;
/* Check the cmode for only valid flags*/
if(cmode & ~LEGAL_CREATE_FLAGS)
return NC_EINVAL;
/* Cannot have both MPIO flags */
if((cmode & (NC_MPIIO|NC_MPIPOSIX)) == (NC_MPIIO|NC_MPIPOSIX))
return NC_EINVAL;
/* Cannot have 64 bit offset flag */
if(cmode & (NC_64BIT_OFFSET))
return NC_EINVAL;
comm = ((NC_MPI_INFO *)mpidata)->comm;
info = ((NC_MPI_INFO *)mpidata)->info;
/* Create our specific NC5_INFO instance */
nc5 = (NC5_INFO*)calloc(1,sizeof(NC5_INFO));
if(nc5 == NULL) return NC_ENOMEM;
/* Link nc5 and nc */
NC5_DATA_SET(nc,nc5);
/* Fix up the cmode by keeping only essential flags;
these are the flags that are the same in netcf.h and pnetcdf.h
*/
cmode &= (NC_WRITE | NC_NOCLOBBER | NC_LOCK | NC_SHARE | NC_64BIT_OFFSET);
/* It turns out that pnetcdf.h defines a flag called
NC_64BIT_DATA (not to be confused with NC_64BIT_OFFSET).
This flag is essential to getting ncmpi_create to create
a proper pnetcdf format file.
It just happens that the value of NC_64BIT_DATA is the same
as the netcdf NC_NETCDF4 flag value. This is probably no accident.
In any case, this flag must be set.
*/
cmode |= (NC_NETCDF4);
res = ncmpi_create(comm, path, cmode, info, &(nc->int_ncid));
return res;
}
static int
NC5_open(const char *path, int cmode,
int basepe, size_t *chunksizehintp,
int use_parallel, void* mpidata,
struct NC_Dispatch* table, NC* nc)
{
int res;
NC5_INFO* nc5;
MPI_Comm comm = 0;
MPI_Info info = 0;
int pnetcdf_nvars, i;
/* Check the cmode for only valid flags*/
if(cmode & ~LEGAL_OPEN_FLAGS)
return NC_EINVAL;
/* Cannot have both MPIO flags */
if((cmode & (NC_MPIIO|NC_MPIPOSIX)) == (NC_MPIIO|NC_MPIPOSIX))
return NC_EINVAL;
/* Cannot have 64 bit offset flag */
if(cmode & (NC_64BIT_OFFSET))
return NC_EINVAL;
comm = ((NC_MPI_INFO *)mpidata)->comm;
info = ((NC_MPI_INFO *)mpidata)->info;
/* Fix up the cmode by keeping only essential flags;
these are the flags that are the same in netcf.h and pnetcdf.h
*/
cmode &= (NC_WRITE | NC_NOCLOBBER | NC_LOCK | NC_SHARE | NC_64BIT_OFFSET);
cmode |= (NC_NETCDF4); /* see comment in NC5_create */
res = ncmpi_open(comm, path, cmode, info, &(nc->int_ncid));
/* Create our specific NC5_INFO instance */
nc5 = (NC5_INFO*)calloc(1,sizeof(NC5_INFO));
if(nc5 == NULL) return NC_ENOMEM;
/* Link nc5 and nc */
NC5_DATA_SET(nc,nc5);
/* Default to independent access, like netCDF-4/HDF5 files. */
if(!res) {
res = ncmpi_begin_indep_data(nc->int_ncid);
nc5->pnetcdf_access_mode = NC_INDEPENDENT;
}
/* I need to keep track of the ndims of each var to translate
* start, count, and stride arrays to MPI_Offset type. */
if(!res) {
res = ncmpi_inq_nvars(nc->int_ncid, &pnetcdf_nvars);
for(i=0;i< pnetcdf_nvars;i++)
res = ncmpi_inq_varndims(nc->int_ncid, i,
&(nc5->pnetcdf_ndims[i]));
}
return res;
}
static int
NC5_redef(int ncid)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_redef(nc->int_ncid);
}
static int
NC5_enddef(int ncid)
{
int status;
NC* nc;
NC5_INFO* nc5;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR)
return status;
nc5 = NC5_DATA(nc);
assert(nc5);
status = ncmpi_enddef(nc->int_ncid);
if(!status) {
if (nc5->pnetcdf_access_mode == NC_INDEPENDENT)
status = ncmpi_begin_indep_data(nc->int_ncid);
}
return status;
}
static int
NC5__enddef(int ncid, size_t h_minfree, size_t v_align, size_t v_minfree, size_t r_align)
{
return NC5_enddef(ncid);
}
static int
NC5_sync(int ncid)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_sync(nc->int_ncid);
}
static int
NC5_abort(int ncid)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_abort(nc->int_ncid);
}
static int
NC5_close(int ncid)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_close(nc->int_ncid);
}
static int
NC5_set_fill(int ncid, int fillmode, int *old_mode_ptr)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_set_fill(nc->int_ncid,fillmode,old_mode_ptr);
}
static int
NC5_inq_base_pe(int ncid, int* pep)
{
if(pep) *pep = 0;
return NC_NOERR;
}
static int
NC5_set_base_pe(int ncid, int pe)
{
return NC_NOERR;
}
static int
NC5_inq_format(int ncid, int* formatp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_format(nc->int_ncid,formatp);
}
static int
NC5_inq(int ncid,
int *ndimsp,
int *nvarsp,
int *nattsp,
int *unlimp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq(nc->int_ncid,ndimsp,nvarsp,nattsp,unlimp);
}
static int
atomic_size[6] = {
1, 1, 2, 4, 4, 8
};
static char
atomic_name[6][NC_MAX_NAME + 1] = {
"byte", "char", "short","int", "float", "double"
};
static int
NC5_inq_type(int ncid, nc_type typeid, char* name, size_t* size)
{
if(typeid < NC_BYTE || typeid > NC_DOUBLE)
return NC_EBADTYPE;
/* Give the user the values they want. Subtract one because types
* are numbered starting at 1, not 0. */
if(name)
strcpy(name, atomic_name[typeid - 1]);
if(size)
*size = atomic_size[typeid - 1];
return NC_NOERR;
}
static int
NC5_def_dim(int ncid, const char* name, size_t len, int* idp)
{
int status;
NC5_INFO* nc5;
NC* nc;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR)
return status;
nc5 = NC5_DATA(nc);
assert(nc5);
return ncmpi_def_dim(nc->int_ncid, name, len, idp);
}
static int
NC5_inq_dimid(int ncid, const char *name, int *idp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_dimid(nc->int_ncid,name,idp);
}
static int
NC5_inq_dim(int ncid, int dimid, char *name, size_t* lenp)
{
int status;
NC* nc;
MPI_Offset mpilen;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
status = ncmpi_inq_dim(nc->int_ncid,dimid,name,&mpilen);
if(lenp) *lenp = mpilen;
return status;
}
static int
NC5_inq_unlimdim(int ncid, int *unlimdimidp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_unlimdim(nc->int_ncid,unlimdimidp);
}
static int
NC5_rename_dim(int ncid, int dimid, const char* newname)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_rename_dim(nc->int_ncid,dimid,newname);
}
static int
NC5_inq_att(int ncid, int varid, const char* name, nc_type* xtypep, size_t* lenp)
{
NC* nc;
MPI_Offset mpilen;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_att(nc->int_ncid,varid,name,xtypep,&mpilen);
if(lenp) *lenp = mpilen;
return status;
}
static int
NC5_inq_attid(int ncid, int varid, const char *name, int *idp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_attid(nc->int_ncid,varid,name,idp);
}
static int
NC5_inq_attname(int ncid, int varid, int attnum, char *name)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_attname(nc->int_ncid,varid,attnum,name);
}
static int
NC5_rename_att(int ncid, int varid, const char *name,
const char *newname)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_rename_att(nc->int_ncid,varid,name,newname);
}
static int
NC5_del_att(int ncid, int varid, const char *name)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_del_att(nc->int_ncid,varid,name);
}
int
NC5_get_att(
int ncid,
int varid,
const char *name,
void *ip,
nc_type memtype)
{
NC* nc;
int status;
nc_type xtype;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
status = NC5_inq_att(ncid,varid,name,&xtype,NULL);
if(memtype == NC_NAT) memtype = xtype;
switch (memtype) {
case NC_CHAR:
return ncmpi_get_att_text(nc->int_ncid, varid, name, (char*)ip);
case NC_BYTE:
return ncmpi_get_att_schar(nc->int_ncid, varid, name, (signed char*)ip);
case NC_SHORT:
return ncmpi_get_att_short(nc->int_ncid, varid, name, (short*)ip);
case NC_INT:
return ncmpi_get_att_int(nc->int_ncid, varid, name, (int*)ip);
case NC_FLOAT:
return ncmpi_get_att_float(nc->int_ncid, varid, name, (float*)ip);
case NC_DOUBLE:
return ncmpi_get_att_double(nc->int_ncid, varid, name, (double*)ip);
case NC_INT64: /* synthetic */
return ncmpi_get_att_long(nc->int_ncid, varid, name, (long*)ip);
case NC_UBYTE: /* Synthetic */
return ncmpi_get_att_uchar(nc->int_ncid, varid, name, (unsigned char*)ip);
default:
break;
}
return NC_EBADTYPE;
}
int
NC5_put_att(
int ncid,
int varid,
const char *name,
nc_type xtype,
size_t len,
const void *ip,
nc_type memtype)
{
NC* nc;
int status;
MPI_Offset mpilen;
if (!name || (strlen(name) > NC_MAX_NAME))
return NC_EBADNAME;
/* The length needs to be positive (cast needed for braindead
systems with signed size_t). */
if(((unsigned long) len) > X_INT_MAX)
return NC_EINVAL;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
mpilen = len;
switch (memtype) {
case NC_CHAR:
return ncmpi_put_att_text(nc->int_ncid, varid, name, mpilen, (char*)ip);
case NC_BYTE:
return ncmpi_put_att_schar(nc->int_ncid, varid, name, xtype, mpilen, (signed char*)ip);
case NC_SHORT:
return ncmpi_put_att_short(nc->int_ncid, varid, name, xtype, mpilen, (short*)ip);
case NC_INT:
return ncmpi_put_att_int(nc->int_ncid, varid, name, xtype, mpilen, (int*)ip);
case NC_FLOAT:
return ncmpi_put_att_float(nc->int_ncid, varid, name, xtype, mpilen, (float*)ip);
case NC_DOUBLE:
return ncmpi_put_att_double(nc->int_ncid, varid, name, xtype, mpilen, (double*)ip);
case NC_INT64: /* synthetic */
return ncmpi_put_att_long(nc->int_ncid, varid, name, xtype, mpilen, (long*)ip);
case NC_UBYTE: /* Synthetic */
return ncmpi_put_att_uchar(nc->int_ncid, varid, name, xtype, mpilen, (unsigned char*)ip);
default:
break;
}
return NC_EBADTYPE;
}
static int
NC5_def_var(int ncid, const char *name, nc_type xtype,
int ndims, const int *dimidsp, int *varidp)
{
NC* nc;
NC5_INFO* nc5;
int status;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
nc5 = NC5_DATA(nc);
assert(nc5);
status = ncmpi_def_var(nc->int_ncid,name,xtype,ndims,dimidsp,varidp);
nc5->pnetcdf_ndims[*varidp] = ndims;
return status;
}
static int
NC5_inq_varid(int ncid, const char *name, int *varidp)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_inq_varid(nc->int_ncid,name,varidp);
}
static int
NC5_rename_var(int ncid, int varid, const char *name)
{
NC* nc;
int status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
return ncmpi_rename_var(nc->int_ncid,varid,name);
}
static int
NC5_get_vara(int ncid,
int varid,
const size_t* startp,
const size_t* countp,
void* ip,
nc_type memtype)
{
NC* nc;
NC5_INFO* nc5;
int status;
MPI_Offset mpi_start[NC_MAX_VAR_DIMS], mpi_count[NC_MAX_VAR_DIMS];
int d;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
nc5 = NC5_DATA(nc);
assert(nc5);
/* No NC_LONG for parallel-netcdf library! */
if(memtype == NC_INT64)
return NC_EINVAL;
/* We must convert the start, count, and stride arrays to MPI_Offset type. */
for (d = 0; d < nc5->pnetcdf_ndims[varid]; d++) {
mpi_start[d] = startp[d];
mpi_count[d] = countp[d];
}
if(nc5->pnetcdf_access_mode == NC_INDEPENDENT) {
switch(memtype) {
case NC_BYTE:
status=ncmpi_get_vara_schar(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_CHAR:
status=ncmpi_get_vara_text(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_SHORT:
status=ncmpi_get_vara_short(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT:
status=ncmpi_get_vara_int(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_FLOAT:
status=ncmpi_get_vara_float(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_DOUBLE:
status=ncmpi_get_vara_double(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_UBYTE: /* synthetic */
status=ncmpi_get_vara_uchar(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT64: /* synthetic */
status=ncmpi_get_vara_long(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
default:
status = NC_EBADTYPE;
}
} else {
switch(memtype) {
case NC_BYTE:
status=ncmpi_get_vara_schar_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_CHAR:
status=ncmpi_get_vara_text_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_SHORT:
status=ncmpi_get_vara_short_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT:
status=ncmpi_get_vara_int_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_FLOAT:
status=ncmpi_get_vara_float_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_DOUBLE:
status=ncmpi_get_vara_double_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_UBYTE:
status=ncmpi_get_vara_uchar_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT64:
status=ncmpi_get_vara_long_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
default:
status = NC_EBADTYPE;
}
}
return status;
}
static int
NC5_put_vara(int ncid,
int varid,
const size_t* startp,
const size_t* countp,
const void*ip,
nc_type memtype)
{
NC* nc;
NC5_INFO* nc5;
int status;
MPI_Offset mpi_start[NC_MAX_VAR_DIMS], mpi_count[NC_MAX_VAR_DIMS];
int d;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
nc5 = NC5_DATA(nc);
assert(nc5);
/* No NC_LONG for parallel-netcdf library! */
if(memtype == NC_INT64)
return NC_EINVAL;
/* We must convert the start, count, and stride arrays to MPI_Offset type. */
for (d = 0; d < nc5->pnetcdf_ndims[varid]; d++) {
mpi_start[d] = startp[d];
mpi_count[d] = countp[d];
}
if(nc5->pnetcdf_access_mode == NC_INDEPENDENT) {
switch(memtype) {
case NC_BYTE:
status = ncmpi_put_vara_schar(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_CHAR:
status = ncmpi_put_vara_text(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_SHORT:
status = ncmpi_put_vara_short(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT:
status = ncmpi_put_vara_int(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_FLOAT:
status = ncmpi_put_vara_float(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_DOUBLE:
status = ncmpi_put_vara_double(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_UBYTE:
status = ncmpi_put_vara_uchar(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT64:
status = ncmpi_put_vara_long(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
default:
status = NC_EBADTYPE;
}
} else {
switch(memtype) {
case NC_BYTE:
status = ncmpi_put_vara_schar_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_CHAR:
status = ncmpi_put_vara_text_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_SHORT:
status = ncmpi_put_vara_short_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT:
status = ncmpi_put_vara_int_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_FLOAT:
status = ncmpi_put_vara_float_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_DOUBLE:
status = ncmpi_put_vara_double_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_UBYTE:
status = ncmpi_put_vara_uchar_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
case NC_INT64:
status = ncmpi_put_vara_long_all(nc->int_ncid, varid, mpi_start, mpi_count, ip); break;
default:
status = NC_EBADTYPE;
}
}
return status;
}
static int
NC5_inq_var_all(int ncid, int varid, char *name, nc_type *xtypep,
int *ndimsp, int *dimidsp, int *nattsp,
int *shufflep, int *deflatep, int *deflate_levelp,
int *fletcher32p, int *contiguousp, size_t *chunksizesp,
int *no_fill, void *fill_valuep, int *endiannessp,
int *options_maskp, int *pixels_per_blockp)
{
int status;
NC* nc;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
status = ncmpi_inq_var(nc->int_ncid, varid, name, xtypep, ndimsp, dimidsp, nattsp);
if(status) return status;
if(shufflep) *shufflep = 0;
if(deflatep) *deflatep = 0;
if(fletcher32p) *fletcher32p = 0;
if(contiguousp) *contiguousp = NC_CONTIGUOUS;
if(no_fill) *no_fill = 1;
if(endiannessp) return NC_ENOTNC4;
if(options_maskp) return NC_ENOTNC4;
return NC_NOERR;
}
static int
NC5_var_par_access(int ncid, int varid, int par_access)
{
NC *nc;
NC5_INFO* nc5;
int status;
if (par_access != NC_INDEPENDENT && par_access != NC_COLLECTIVE)
return NC_EINVAL;
status = NC_check_id(ncid, &nc);
if(status != NC_NOERR) return status;
nc5 = NC5_DATA(nc);
assert(nc5);
if(par_access == nc5->pnetcdf_access_mode)
return NC_NOERR;
nc5->pnetcdf_access_mode = par_access;
if (par_access == NC_INDEPENDENT)
return ncmpi_begin_indep_data(nc->int_ncid);
else
return ncmpi_end_indep_data(nc->int_ncid);
}
#ifdef USE_NETCDF4
static int
NC5_show_metadata(int ncid)
{
return NC_NOERR;
}
static int
NC5_inq_unlimdims(int ncid, int *ndimsp, int *unlimdimidsp)
{
int retval;
int unlimid;
if((retval = NC5_inq_unlimdim(ncid, &unlimid)))
return retval;
if(unlimid != -1) {
if(ndimsp) *ndimsp = 1;
if(unlimdimidsp)
unlimdimidsp[0] = unlimid;
} else
if(ndimsp) *ndimsp = 0;
return NC_NOERR;
}
static int
NC5_inq_type_equal(int ncid1, nc_type typeid1, int ncid2, nc_type typeid2, int* equalp)
{
/* Check input. */
if(equalp == NULL) return NC_NOERR;
if (typeid1 <= NC_NAT || typeid2 <= NC_NAT)
return NC_EINVAL;
*equalp = 0; /* assume */
/* If one is atomic, and the other user-defined, the types are not equal */
if ((typeid1 <= NC_STRING && typeid2 > NC_STRING) ||
(typeid2 <= NC_STRING && typeid1 > NC_STRING)) {
if (equalp) *equalp = 0;
return NC_NOERR;
}
/* If both are atomic types, the answer is easy. */
if (typeid1 <= ATOMICTYPEMAX) {
if (equalp) {
if (typeid1 == typeid2)
*equalp = 1;
else
*equalp = 0;
}
return NC_NOERR;
}
return NC_NOERR;
}
static int
NC5_def_grp(int parent_ncid, const char *name, int *new_ncid)
{
return NC_ENOTNC4;
}
static int
NC5_inq_ncid(int ncid, const char *name, int *grp_ncid)
{
if(grp_ncid) *grp_ncid = ncid;
return NC_NOERR;
}
static int
NC5_inq_grps(int ncid, int *numgrps, int *ncids)
{
if(numgrps)
*numgrps = 0;
return NC_NOERR;
}
static int
NC5_inq_grpname(int ncid, char *name)
{
if(name)
strcpy(name, "/");
return NC_NOERR;
}
static int
NC5_inq_grpname_full(int ncid, size_t *lenp, char *full_name)
{
if(full_name)
strcpy(full_name, "/");
if(lenp) *lenp = 1;
return NC_NOERR;
}
static int
NC5_inq_grp_parent(int ncid, int *parent_ncid)
{
return NC_ENOGRP;
}
static int
NC5_inq_grp_full_ncid(int ncid, const char *full_name, int *grp_ncid)
{
return NC_ENOGRP;
}
static int
NC5_inq_varids(int ncid, int *nvarsp, int *varids)
{
int retval,v,nvars;
/* This is, effectively, a netcdf-3 file, there is only one group, the root
group, and its vars have ids 0 thru nvars - 1. */
if((retval = NC5_inq(ncid, NULL, &nvars, NULL, NULL)))
return retval;
if(nvarsp) *nvarsp = nvars;
if(varids)
for (v = 0; v < nvars; v++)
varids[v] = v;
return NC_NOERR;
}
static int
NC5_inq_dimids(int ncid, int *ndimsp, int *dimids, int include_parents)
{
int retval,d,ndims;
/* If this is like a netcdf-3 file, then the dimids are going to be 0
thru ndims-1, so just provide them. */
if((retval = NC5_inq(ncid, &ndims, NULL, NULL, NULL)))
return retval;
if(ndimsp) *ndimsp = ndims;
if(dimids)
for (d = 0; d < ndims; d++)
dimids[d] = d;
return NC_NOERR;
}
static int
NC5_inq_typeid(int ncid, const char *name, nc_type *typeidp)
{
int i;
for (i = 0; i <= ATOMICTYPEMAX; i++)
if(!strcmp(name, NC_atomictypename(i))) {
if(typeidp) *typeidp = i;
return NC_NOERR;
}
return NC_ENOTNC4;
}
static int
NC5_inq_typeids(int ncid, int *ntypes, int *typeids)
{
if(ntypes) *ntypes = 0;
return NC_NOERR;
}
static int
NC5_inq_user_type(int ncid, nc_type typeid, char *name, size_t *size,
nc_type *base_nc_typep, size_t *nfieldsp, int *classp)
{
return NC_ENOTNC4;
}
static int
NC5_def_compound(int ncid, size_t size, const char *name, nc_type *typeidp)
{
return NC_ENOTNC4;
}
static int
NC5_insert_compound(int ncid, nc_type typeid, const char *name, size_t offset,
nc_type field_typeid)
{
return NC_ENOTNC4;
}
static int
NC5_insert_array_compound(int ncid, nc_type typeid, const char *name,
size_t offset, nc_type field_typeid,
int ndims, const int *dim_sizes)
{
return NC_ENOTNC4;
}
static int
NC5_inq_compound_field(int ncid, nc_type typeid, int fieldid, char *name,
size_t *offsetp, nc_type *field_typeidp, int *ndimsp,
int *dim_sizesp)
{
return NC_ENOTNC4;
}
static int
NC5_inq_compound_fieldindex(int ncid, nc_type typeid, const char *name, int *fieldidp)
{
return NC_ENOTNC4;
}
static int
NC5_def_opaque(int ncid, size_t datum_size, const char *name, nc_type* xtypep)
{
return NC_ENOTNC4;
}
static int
NC5_def_vlen(int ncid, const char *name, nc_type base_typeid, nc_type* xtypep)
{
return NC_ENOTNC4;
}
static int
NC5_def_enum(int ncid, nc_type base_typeid, const char *name,
nc_type *typeidp)
{
return NC_ENOTNC4;
}
static int
NC5_inq_enum_ident(int ncid, nc_type xtype, long long value, char *identifier)
{
return NC_ENOTNC4;
}
static int
NC5_inq_enum_member(int ncid, nc_type typeid, int idx, char *identifier,
void *value)
{
return NC_ENOTNC4;
}
static int
NC5_insert_enum(int ncid, nc_type typeid, const char *identifier,
const void *value)
{
return NC_ENOTNC4;
}
static int
NC5_put_vlen_element(int ncid, int typeid, void *vlen_element,
size_t len, const void *data)
{
return NC_ENOTNC4;
}
static int
NC5_get_vlen_element(int ncid, int typeid, const void *vlen_element,
size_t *len, void *data)
{
return NC_ENOTNC4;
}
static int
NC5_set_var_chunk_cache(int ncid, int varid, size_t size, size_t nelems, float preemption)
{
return NC_ENOTNC4;
}
static int
NC5_get_var_chunk_cache(int ncid, int varid, size_t *sizep, size_t *nelemsp, float *preemptionp)
{
return NC_ENOTNC4;
}
static int
NC5_def_var_deflate(int ncid, int varid, int shuffle, int deflate,
int deflate_level)
{
return NC_ENOTNC4;
}
static int
NC5_def_var_fletcher32(int ncid, int varid, int fletcher32)
{
return NC_ENOTNC4;
}
static int
NC5_def_var_chunking(int ncid, int varid, int contiguous, const size_t *chunksizesp)
{
return NC_ENOTNC4;
}
static int
NC5_def_var_fill(int ncid, int varid, int no_fill, const void *fill_value)
{
return NC_ENOTNC4;
}
static int
NC5_def_var_endian(int ncid, int varid, int endianness)
{
return NC_ENOTNC4;
}
#endif /*USE_NETCDF4*/
/**************************************************/
/* Pnetcdf Dispatch table */
NC_Dispatch NC5_dispatcher = {
NC_DISPATCH_NC5,
NC5_create,
NC5_open,
NC5_redef,
NC5__enddef,
NC5_sync,
NC5_abort,
NC5_close,
NC5_set_fill,
NC5_inq_base_pe,
NC5_set_base_pe,
NC5_inq_format,
NC5_inq,
NC5_inq_type,
NC5_def_dim,
NC5_inq_dimid,
NC5_inq_dim,
NC5_inq_unlimdim,
NC5_rename_dim,
NC5_inq_att,
NC5_inq_attid,
NC5_inq_attname,
NC5_rename_att,
NC5_del_att,
NC5_get_att,
NC5_put_att,
NC5_def_var,
NC5_inq_varid,
NC5_rename_var,
NC5_get_vara,
NC5_put_vara,
NCDEFAULT_get_vars,
NCDEFAULT_put_vars,
NCDEFAULT_get_varm,
NCDEFAULT_put_varm,
NC5_inq_var_all,
NC5_var_par_access,
#ifdef USE_NETCDF4
NC5_show_metadata,
NC5_inq_unlimdims,
NC5_inq_ncid,
NC5_inq_grps,
NC5_inq_grpname,
NC5_inq_grpname_full,
NC5_inq_grp_parent,
NC5_inq_grp_full_ncid,
NC5_inq_varids,
NC5_inq_dimids,
NC5_inq_typeids,
NC5_inq_type_equal,
NC5_def_grp,
NC5_inq_user_type,
NC5_inq_typeid,
NC5_def_compound,
NC5_insert_compound,
NC5_insert_array_compound,
NC5_inq_compound_field,
NC5_inq_compound_fieldindex,
NC5_def_vlen,
NC5_put_vlen_element,
NC5_get_vlen_element,
NC5_def_enum,
NC5_insert_enum,
NC5_inq_enum_member,
NC5_inq_enum_ident,
NC5_def_opaque,
NC5_def_var_deflate,
NC5_def_var_fletcher32,
NC5_def_var_chunking,
NC5_def_var_fill,
NC5_def_var_endian,
NC5_set_var_chunk_cache,
NC5_get_var_chunk_cache,
#endif /*USE_NETCDF4*/
};
NC_Dispatch* NC5_dispatch_table = NULL; /* moved here from ddispatch.c */
int
NC5_initialize(void)
{
NC5_dispatch_table = &NC5_dispatcher;
return NC_NOERR;
}