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138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
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Corporation for Atmospheric Research/Unidata. See COPYRIGHT file for
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conditions of use. See www.unidata.ucar.edu for more info.
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Create a chunkable test file for nccopy to test chunking.
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*/
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#include <netcdf.h>
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#include <nc_tests.h>
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#include "err_macros.h"
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#define DEBUG
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static int ret = NC_NOERR;
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/* Make trackable ERR macro replacement */
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static int lerr(int stat, const char* file, int lineno) {
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fflush(stdout); /* Make sure our stdout is synced with stderr. */
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err++;
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fprintf(stderr, "Sorry! Unexpected result(%d), %s, line: %d\n",ret,file,lineno);
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fflush(stderr); \
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return 2; \
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}
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#define LERR lerr(ret,__FILE__,__LINE__)
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#define FILE_NAME "tst_chunking.nc"
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#define VAR_RANK 7
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#define IVAR_NAME "ivar"
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#define FVAR_NAME "fvar"
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#define GRP_NAME "g"
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#define UNLIM_NAME "unlimited"
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#define UNLIM_SIZE 10
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#define DEFLATE_LEVEL 1
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#define NVALS 45360 /* 7 * 4 * 2 * 3 * 5 * 6 * 9 */
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static const char *dim_names[VAR_RANK] = {"dim0", "dim1", "dim2", "dim3", "dim4", "dim5", "dim6"};
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static const size_t dim_lens[VAR_RANK] = {7, 4, 2, 3, 5, 6, 9};
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int
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main(int argc, char **argv)
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{
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/* mutually exclusive command line options */
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int option_group = 0;
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int option_deflate = 0;
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int option_unlimited = 0;
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/* file metadata */
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int mode = NC_CLOBBER;
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int ncid, grpid;
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int ivarid, fvarid;
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int ivar_dims[VAR_RANK];
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int fvar_dims[VAR_RANK];
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int ivar_data[NVALS];
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float fvar_data[NVALS];
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int r, i;
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char* file_name = FILE_NAME;
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int unlimid;
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/* Parse command line */
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if(argc >= 2) {
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file_name = argv[1];
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}
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if(argc >= 3) {
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if(strcmp(argv[2],"group")==0) {
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option_group = 1;
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mode |= NC_NETCDF4;
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} else if(strcmp(argv[2],"deflate")==0) {
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option_deflate = 1;
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mode |= NC_NETCDF4;
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} else if(strcmp(argv[2],"unlimited")==0) {
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option_unlimited = 1;
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} else {
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fprintf(stderr,"usage: tst_chunking [<filename> [group|deflate|unlimited]]\n");
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exit(1);
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}
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}
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printf("*** Creating chunkable test file %s...\n", file_name);
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if(option_deflate)
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printf("\toption: deflate\n");
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else if(option_unlimited)
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printf("\toption: unlimited\n");
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else if(option_group)
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printf("\toption: group\n");
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if (nc_create(file_name, mode, &ncid)) LERR;
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for(r = 0; r < VAR_RANK; r++) {
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if (nc_def_dim(ncid, dim_names[r], dim_lens[r], &ivar_dims[r])) LERR;
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fvar_dims[VAR_RANK - 1 - r] = ivar_dims[r];
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}
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if(option_unlimited) {
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int udims[2];
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if (nc_def_dim(ncid, UNLIM_NAME, 0, &unlimid)) LERR;
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udims[0] = unlimid;
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udims[1] = ivar_dims[0];
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if (nc_def_var(ncid, IVAR_NAME, NC_INT, 2, udims, &ivarid)) LERR;
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} else {
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if (option_group) {
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if (nc_def_grp(ncid, GRP_NAME, &grpid)) LERR;
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} else
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grpid = ncid;
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if (nc_def_var(grpid, IVAR_NAME, NC_INT, VAR_RANK, ivar_dims, &ivarid)) LERR;
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if(option_deflate) {
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if(nc_def_var_deflate(grpid,ivarid,NC_NOSHUFFLE, option_deflate, DEFLATE_LEVEL)) LERR;
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}
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}
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/* fvar is unchanged */
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if (nc_def_var(ncid, FVAR_NAME, NC_FLOAT, VAR_RANK, fvar_dims, &fvarid)) LERR;
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if (nc_enddef (ncid)) LERR;
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/* Fill in the data */
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if(option_unlimited) {
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int nvals = UNLIM_SIZE * dim_lens[0];
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size_t start[2] = {0,0};
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size_t count[2];
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for(i=0;i<nvals;i++) {
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ivar_data[i] = i;
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}
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count[0] = UNLIM_SIZE;
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count[1] = dim_lens[0];
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if (nc_put_vara(ncid, ivarid, start, count, ivar_data)) LERR;
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} else {
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for(i=0; i < NVALS; i++) {
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ivar_data[i] = i;
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}
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if (nc_put_var(ncid, ivarid, ivar_data)) LERR;
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}
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/* fvar is unchanged */
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for(i=0; i < NVALS; i++) {
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fvar_data[i] = NVALS - i;
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}
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if (nc_put_var(ncid, fvarid, fvar_data)) LERR;
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if (nc_close(ncid)) LERR;
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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