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f3e711e2b8
re: https://github.com/Unidata/netcdf-c/issues/2177 re: https://github.com/Unidata/netcdf-c/pull/2178 Provide get/set functions to store global data alignment information and apply it when a file is created. The api is as follows: ```` int nc_set_alignment(int threshold, int alignment); int nc_get_alignment(int* thresholdp, int* alignmentp); ```` If defined, then for every file created opened after the call to nc_set_alignment, for every new variable added to the file, the most recently set threshold and alignment values will be applied to that variable. The nc_get_alignment function return the last values set by nc_set_alignment. If nc_set_alignment has not been called, then it returns the value 0 for both threshold and alignment. The alignment parameters are stored in the NCglobalstate object (see below) for use as needed. Repeated calls to nc_set_alignment will overwrite any existing values in NCglobalstate. The alignment parameters are applied in libhdf5/hdf5create.c and libhdf5/hdf5open.c The set/get alignment functions are defined in libsrc4/nc4internal.c. A test program was added as nc_test4/tst_alignment.c. ## Misc. Changes Unrelated to Alignment * The NCRCglobalstate type was renamed to NCglobalstate to indicate that it represented more general global state than just .rc data. It was also moved to nc4internal.h. This led to a large number of small changes: mostly renaming. The global state management functions were moved to nc4internal.c. * The global chunk cache variables have been moved into NCglobalstate. As warranted, other global state will be moved as well. * Some misc. problems with the nczarr performance tests were corrected.
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/*********************************************************************
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* Copyright 2018, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*********************************************************************/
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#ifndef BM_UTILS_H
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#define BM_UTILS_H
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#include "config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "zincludes.h"
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#undef DEBUG
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/* Define the getopt tags */
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#define OPT_UNKNOWN 0
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#define OPT_TREEDEPTH 1
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#define OPT_NGROUPS 2
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#define OPT_NGROUPATTRS 3
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#define OPT_NDIMS 4
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#define OPT_NTYPES 5
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#define OPT_NVARS 6
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#define OPT_VARRANK 7
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#define OPT_NVARATTRS 8
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#define OPT_FORMAT 9
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#define OPT_PATH 10
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#define OPT_FILE 11
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#define OPT_X 12
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#define OPT_DEBUG 13
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#define OPT_DIMS 14
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#define OPT_CHUNKS 15
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#define OPT_CACHEFACTOR 16
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#define OPT_CACHESIZE 17
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#define OPT_DEFLATELEVEL 18
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#define OPT_WDEBUG 19
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#define OPT_URL 20
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#define OPT_READONLY 21
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#define OPT_WRITEONLY 22
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#define X_OPT_MATCH 1
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extern struct BMOptions {
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int format;
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char* filename;
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char* url;
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char* path; /* as sent to e.g. nc_create() */
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char* pathtemplate;
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int xvalue;
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NCZM_IMPL impl;
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int debug;
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int wdebug;
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int readonly;
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int writeonly;
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struct BMMeta {
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int treedepth;
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int ngroups;
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int ngroupattrs;
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int ndims;
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int ntypes;
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int nvars;
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int varrank;
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int nvarattrs;
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size_t cachefactor;
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size_t cachesize;
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struct IntList {
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int count;
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size_t* list;
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} dims;
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struct IntList chunks;
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int deflatelevel;
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} meta;
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struct X {
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int sync;
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} x;
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} bmoptions;
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#define NCCHECK(expr) nccheck((expr),__LINE__)
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EXTERNL int bm_buildpath(struct BMOptions*);
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EXTERNL int bm_getoptions(int* argcp, char*** argvp, struct BMOptions*);
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EXTERNL void bm_clearoptions(struct BMOptions*);
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EXTERNL const char* formatname(const struct BMOptions*);
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EXTERNL void bm_reportoptions(struct BMOptions* o);
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EXTERNL void bm_reportmetaoptions(struct BMMeta* o);
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EXTERNL const char* bm_printvector(int rank, const size_t* vec);
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EXTERNL const char* bm_printvectorp(int rank, const ptrdiff_t* vec);
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EXTERNL const char* bm_varasprint(int rank, const size_t* start, const size_t* edges, const ptrdiff_t* stride);
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EXTERNL int nc4_buildpath(struct BMOptions* o, char** pathp);
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EXTERNL void reportoptions(struct BMOptions* o);
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EXTERNL void reportmetaoptions(struct BMMeta* o);
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EXTERNL void clearoptions(struct BMOptions*);
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#include "ut_test.h"
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#endif /*BM_UTILS_H*/
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