NcFile::NcFile( const char* path, FileMode fmode, size_t* chunksizeptr, size_t initialsize, FileFormat fformat ) { NcError err(NcError::silent_nonfatal); // constructor must not fail int mode = NC_NOWRITE; the_fill_mode = Fill; int status; // If the user wants a 64-bit offset format, set that flag. if (fformat == Offset64Bits) mode |= NC_64BIT_OFFSET; #ifdef USE_NETCDF4 else if (fformat == Netcdf4) mode |= NC_NETCDF4; else if (fformat == Netcdf4Classic) mode |= NC_NETCDF4|NC_CLASSIC_MODEL; #endif switch (fmode) { case Write: mode |= NC_WRITE; /*FALLTHRU*/ case ReadOnly: // use netcdf-3 interface to permit specifying tuning parameter status = NcError::set_err( nc__open(path, mode, chunksizeptr, &the_id) ); if(status != NC_NOERR) { NcError::set_err(status); the_id = -1; } in_define_mode = 0; break; case New: mode |= NC_NOCLOBBER; /*FALLTHRU*/ case Replace: // use netcdf-3 interface to permit specifying tuning parameters status = NcError::set_err( nc__create(path, mode, initialsize, chunksizeptr, &the_id) ); if(status != NC_NOERR) { NcError::set_err(status); the_id = -1; } in_define_mode = 1; break; default: the_id = ncBad; in_define_mode = 0; break; } if (is_valid()) { dimensions = new NcDim*[NC_MAX_DIMS]; variables = new NcVar*[NC_MAX_VARS]; int i; for (i = 0; i < num_dims(); i++) dimensions[i] = new NcDim(this, i); for (i = 0; i < num_vars(); i++) variables[i] = new NcVar(this, i); globalv = new NcVar(this, ncGlobal); } else { dimensions = 0; variables = 0; globalv = 0; } }
int nc_open(const char * path, int ioflags, int *ncid_ptr) { return nc__open(path, ioflags, NULL, ncid_ptr); }
/*ARGSUSED*/ int main(int argc, char *argv[]) { int cmode=NC_CLOBBER, omode, ret; int id; char buf[256]; #ifdef SYNCDEBUG char *str = "one"; #endif int ii; size_t ui; const struct tcdfvar *tvp = testvars; union getret got; const size_t initialsz = 8192; size_t chunksz = 8192; size_t align = 8192/32; #ifdef USE_PNETCDF MPI_Init(&argc, &argv); cmode |= (NC_PNETCDF); cmode |= (NC_64BIT_DATA); ret = nc_create_par(fname,cmode, MPI_COMM_WORLD, MPI_INFO_NULL, &id); #else ret = nc__create(fname,cmode, initialsz, &chunksz, &id); if(ret != NC_NOERR) { /* (void) fprintf(stderr, "trying again\n"); */ ret = nc__create(fname,cmode, initialsz, &chunksz, &id); } #endif if(ret != NC_NOERR) { fprintf(stderr,"Error %s in file %s at line %d\n",nc_strerror(ret),__FILE__,__LINE__); exit(ret); } assert( nc_put_att_text(id, NC_GLOBAL, "TITLE", 12, "another name") == NC_NOERR); assert( nc_get_att_text(id, NC_GLOBAL, "TITLE", buf) == NC_NOERR); /* (void) printf("title 1 \"%s\"\n", buf); */ assert( nc_put_att_text(id, NC_GLOBAL, "TITLE", strlen(fname), fname) == NC_NOERR); assert( nc_get_att_text(id, NC_GLOBAL, "TITLE", buf) == NC_NOERR); buf[strlen(fname)] = 0; /* (void) printf("title 2 \"%s\"\n", buf); */ assert( strcmp(fname, buf) == 0); createtestdims(id, NUM_DIMS, sizes, dim_names); testdims(id, NUM_DIMS, sizes, dim_names); createtestvars(id, testvars, NUM_TESTVARS); { int ifill = -1; double dfill = -9999; assert( nc_put_att_int(id, Long_id, _FillValue, NC_INT, 1, &ifill) == NC_NOERR); assert( nc_put_att_double(id, Double_id, _FillValue, NC_DOUBLE, 1, &dfill) == NC_NOERR); } #ifdef REDEF assert( nc__enddef(id, 0, align, 0, 2*align) == NC_NOERR ); assert( nc_put_var1_int(id, Long_id, indices[3], &birthday) == NC_NOERR ); fill_seq(id); assert( nc_redef(id) == NC_NOERR ); /* assert( nc_rename_dim(id,2, "a long dim name") == NC_NOERR); */ #endif assert( nc_rename_dim(id,1, "IXX") == NC_NOERR); assert( nc_inq_dim(id, 1, buf, &ui) == NC_NOERR); /* (void) printf("dimrename: %s\n", buf); */ assert( nc_rename_dim(id,1, dim_names[1]) == NC_NOERR); #ifdef ATTRX assert( nc_rename_att(id, 1, "UNITS", "units") == NC_NOERR); assert( nc_del_att(id, 4, "FIELDNAM")== NC_NOERR); assert( nc_del_att(id, 2, "SCALEMIN")== NC_NOERR); assert( nc_del_att(id, 2, "SCALEMAX")== NC_NOERR); #endif /* ATTRX */ assert( nc__enddef(id, 0, align, 0, 2*align) == NC_NOERR ); #ifndef REDEF fill_seq(id); assert( nc_put_var1_int(id, Long_id, indices[3], &birthday)== NC_NOERR ); #endif assert( nc_put_vara_schar(id, Byte_id, s_start, s_edges, (signed char *)sentence) == NC_NOERR); assert( nc_put_var1_schar(id, Byte_id, indices[6], (signed char *)(chs+1)) == NC_NOERR); assert( nc_put_var1_schar(id, Byte_id, indices[5], (signed char *)chs) == NC_NOERR); assert( nc_put_vara_text(id, Char_id, s_start, s_edges, sentence) == NC_NOERR); assert( nc_put_var1_text(id, Char_id, indices[6], (chs+1)) == NC_NOERR) ; assert( nc_put_var1_text(id, Char_id, indices[5], chs) == NC_NOERR); assert( nc_put_var1_short(id, Short_id, indices[4], shs) == NC_NOERR); assert( nc_put_var1_float(id, Float_id, indices[2], &e) == NC_NOERR); assert( nc_put_var1_double(id, Double_id, indices[1], &zed) == NC_NOERR); assert( nc_put_var1_double(id, Double_id, indices[0], &pinot) == NC_NOERR); #ifdef SYNCDEBUG (void) printf("Hit Return to sync\n"); gets(str); nc_sync(id,0); (void) printf("Sync done. Hit Return to continue\n"); gets(str); #endif /* SYNCDEBUG */ ret = nc_close(id); /* (void) printf("nc_close ret = %d\n\n", ret); */ /* * read it */ omode = NC_NOWRITE; #ifdef USE_PNETCDF omode |= NC_PNETCDF; ret = nc_open_par(fname,omode, MPI_COMM_WORLD, MPI_INFO_NULL, &id); #else ret = nc__open(fname,omode, &chunksz, &id); #endif if(ret != NC_NOERR) { (void) printf("Could not open %s: %s\n", fname, nc_strerror(ret)); exit(1); } /* (void) printf("reopen id = %d for filename %s\n", */ /* id, fname); */ /* NC */ /* (void) printf("NC "); */ assert( nc_inq(id, &(cdesc->num_dims), &(cdesc->num_vars), &(cdesc->num_attrs), &(cdesc->xtendim) ) == NC_NOERR); assert((size_t) cdesc->num_dims == num_dims); assert(cdesc->num_attrs == 1); assert(cdesc->num_vars == NUM_TESTVARS); /* (void) printf("done\n"); */ /* GATTR */ /* (void) printf("GATTR "); */ assert( nc_inq_attname(id, NC_GLOBAL, 0, adesc->mnem) == 0); assert(strcmp("TITLE",adesc->mnem) == 0); assert( nc_inq_att(id, NC_GLOBAL, adesc->mnem, &(adesc->type), &(adesc->len))== NC_NOERR); assert( adesc->type == NC_CHAR ); assert( adesc->len == strlen(fname) ); assert( nc_get_att_text(id, NC_GLOBAL, "TITLE", buf)== NC_NOERR); buf[adesc->len] = 0; assert( strcmp(fname, buf) == 0); /* VAR */ /* (void) printf("VAR "); */ assert( cdesc->num_vars == NUM_TESTVARS ); for(ii = 0; ii < cdesc->num_vars; ii++, tvp++ ) { int jj; assert( nc_inq_var(id, ii, vdesc->mnem, &(vdesc->type), &(vdesc->ndims), vdesc->dims, &(vdesc->num_attrs)) == NC_NOERR); if(strcmp(tvp->mnem , vdesc->mnem) != 0) { (void) printf("attr %d mnem mismatch %s, %s\n", ii, tvp->mnem, vdesc->mnem); continue; } if(tvp->type != vdesc->type) { (void) printf("attr %d type mismatch %d, %d\n", ii, (int)tvp->type, (int)vdesc->type); continue; } for(jj = 0; jj < vdesc->ndims; jj++ ) { if(tvp->dims[jj] != vdesc->dims[jj] ) { (void) printf( "inconsistent dim[%d] for variable %d: %d != %d\n", jj, ii, tvp->dims[jj], vdesc->dims[jj] ); continue; } } /* VATTR */ /* (void) printf("VATTR\n"); */ for(jj=0; jj<vdesc->num_attrs; jj++ ) { assert( nc_inq_attname(id, ii, jj, adesc->mnem) == NC_NOERR); if( strcmp(adesc->mnem, reqattr[jj]) != 0 ) { (void) printf("var %d attr %d mismatch %s != %s\n", ii, jj, adesc->mnem, reqattr[jj] ); break; } } if( nc_inq_att(id, ii, reqattr[0], &(adesc->type), &(adesc->len)) != -1) { assert( adesc->type == NC_CHAR ); assert( adesc->len == strlen(tvp->units) ); assert( nc_get_att_text(id,ii,reqattr[0],buf)== NC_NOERR); buf[adesc->len] = 0; assert( strcmp(tvp->units, buf) == 0); } if( nc_inq_att(id, ii, reqattr[1], &(adesc->type), &(adesc->len)) != -1) { assert( adesc->type == NC_DOUBLE ); assert( adesc->len == 1 ); assert( nc_get_att_double(id, ii, reqattr[1], &got.dbl)== NC_NOERR); chkgot(adesc->type, got, tvp->validmin); } if( nc_inq_att(id, ii, reqattr[2], &(adesc->type), &(adesc->len)) != -1) { assert( adesc->type == NC_DOUBLE ); assert( adesc->len == 1 ); assert( nc_get_att_double(id, ii, reqattr[2], &got.dbl)== NC_NOERR); chkgot(adesc->type, got, tvp->validmax); } if( nc_inq_att(id, ii, reqattr[3], &(adesc->type), &(adesc->len)) != -1) { assert( adesc->type == NC_DOUBLE ); assert( adesc->len ==1 ); assert( nc_get_att_double(id, ii, reqattr[3], &got.dbl)== NC_NOERR); chkgot(adesc->type, got, tvp->scalemin); } if( nc_inq_att(id, ii, reqattr[4], &(adesc->type), &(adesc->len)) != -1) { assert( adesc->type == NC_DOUBLE ); assert( adesc->len == 1 ); assert( nc_get_att_double(id, ii, reqattr[4], &got.dbl)== NC_NOERR); chkgot(adesc->type, got, tvp->scalemax); } if( nc_inq_att(id, ii, reqattr[5], &(adesc->type), &(adesc->len))== NC_NOERR) { assert( adesc->type == NC_CHAR ); assert( adesc->len == strlen(tvp->fieldnam) ); assert( nc_get_att_text(id,ii,reqattr[5],buf)== NC_NOERR); buf[adesc->len] = 0; assert( strcmp(tvp->fieldnam, buf) == 0); } } /* (void) printf("fill_seq "); */ check_fill_seq(id); /* (void) printf("Done\n"); */ assert( nc_get_var1_double(id, Double_id, indices[0], &got.dbl)== NC_NOERR); /* (void) printf("got val = %f\n", got.dbl ); */ assert( nc_get_var1_double(id, Double_id, indices[1], &got.dbl)== NC_NOERR); /* (void) printf("got val = %f\n", got.dbl ); */ assert( nc_get_var1_float(id, Float_id, indices[2], &got.fl[0])== NC_NOERR); /* (void) printf("got val = %f\n", got.fl[0] ); */ assert( nc_get_var1_int(id, Long_id, indices[3], &got.in[0])== NC_NOERR); /* (void) printf("got val = %d\n", got.in[0] ); */ assert( nc_get_var1_short(id, Short_id, indices[4], &got.sh[0])== NC_NOERR); /* (void) printf("got val = %d\n", got.sh[0] ); */ assert( nc_get_var1_text(id, Char_id, indices[5], &got.by[0]) == NC_NOERR); /* (void) printf("got NC_CHAR val = %c (0x%02x) \n", */ /* got.by[0] , got.by[0]); */ assert( nc_get_var1_text(id, Char_id, indices[6], &got.by[0]) == NC_NOERR); /* (void) printf("got NC_CHAR val = %c (0x%02x) \n", */ /* got.by[0], got.by[0] ); */ (void) memset(buf,0,sizeof(buf)); assert( nc_get_vara_text(id, Char_id, s_start, s_edges, buf) == NC_NOERR); /* (void) printf("got NC_CHAR val = \"%s\"\n", buf); */ assert( nc_get_var1_schar(id, Byte_id, indices[5], (signed char *)&got.by[0])== NC_NOERR); /* (void) printf("got val = %c (0x%02x) \n", got.by[0] , got.by[0]); */ assert( nc_get_var1_schar(id, Byte_id, indices[6], (signed char *)&got.by[0])== NC_NOERR); /* (void) printf("got val = %c (0x%02x) \n", got.by[0], got.by[0] ); */ (void) memset(buf,0,sizeof(buf)); assert( nc_get_vara_schar(id, Byte_id, s_start, s_edges, (signed char *)buf)== NC_NOERR ); /* (void) printf("got val = \"%s\"\n", buf); */ { double dbuf[NUM_RECS * SIZE_1 * SIZE_2]; assert(nc_get_var_double(id, Float_id, dbuf) == NC_NOERR); /* (void) printf("got vals = %f ... %f\n", dbuf[0], */ /* dbuf[NUM_RECS * SIZE_1 * SIZE_2 -1] ); */ } ret = nc_close(id); /* (void) printf("re nc_close ret = %d\n", ret); */ #ifdef USE_PNETCDF MPI_Finalize(); #endif return 0; }
int nc_open(const char *path, int mode, int *ncidp) { return THROW(nc__open(path, mode, NULL, ncidp)); }