diff options
| -rw-r--r-- | src/H5D.c | 153 | ||||
| -rw-r--r-- | src/H5Dchunk.c | 309 | ||||
| -rw-r--r-- | src/H5Dpkg.h | 3 | ||||
| -rw-r--r-- | src/H5Dpublic.h | 3 | ||||
| -rw-r--r-- | test/dsets.c | 281 |
5 files changed, 748 insertions, 1 deletions
@@ -1130,3 +1130,156 @@ done: FUNC_LEAVE_API(ret_value); } /* H5Dget_chunk_storage_size() */ + +/*------------------------------------------------------------------------- + * Function: H5Dget_num_chunks + * + * Purpose: Retrieves the number of chunks that have nonempty intersection + * with a specified selection. + * + * Note: Currently, this function only gets the number of all written + * chunks, regardless the dataspace. + * + * Parameters: + * hid_t dset_id; IN: Chunked dataset ID + * hid_t fspace_id; IN: File dataspace ID + * hsize_t *nchunks; OUT:: Number of non-empty chunks + * + * Return: Non-negative on success, negative on failure + * + * Programmer: Binh-Minh Ribler + * August 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5Dget_num_chunks(hid_t dset_id, hid_t fspace_id, hsize_t *nchunks) +{ + H5D_t *dset = NULL; + const H5S_t *space; /* Dataspace for dataset */ + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "ii*h", dset_id, fspace_id, nchunks); + + /* Check arguments */ + if(NULL == (dset = (H5D_t *)H5I_object_verify(dset_id, H5I_DATASET))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset") + if(NULL == (space = (const H5S_t *)H5I_object_verify(fspace_id, H5I_DATASPACE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace ID") + if(NULL == nchunks) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument (null)") + + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Get the number of written chunks */ + if(H5D__get_num_chunks(dset, space, nchunks) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "error getting number of chunks") + +done: + FUNC_LEAVE_API(ret_value); +} /* H5Dget_num_chunks() */ + + +/*------------------------------------------------------------------------- + * Function: H5Dget_chunk_info + * + * Purpose: Retrieves information about a chunk specified by its index. + * + * Parameters: + * hid_t dset_id; IN: Chunked dataset ID + * hid_t fspace_id; IN: File dataspace ID + * hsize_t index; IN: Index of written chunk + * hsize_t *offset OUT: Offset coordinates of the chunk + * unsigned *filter_mask OUT: Filter mask + * haddr_t *addr OUT: Address of the chunk + * hsize_t *size OUT: Size of the chunk + * + * Return: Non-negative on success, negative on failure + * + * Programmer: Binh-Minh Ribler + * August 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5Dget_chunk_info(hid_t dset_id, hid_t fspace_id, hsize_t index, hsize_t *offset, unsigned *filter_mask, haddr_t *addr, hsize_t *size) +{ + H5D_t *dset = NULL; + const H5S_t *space; /* Dataspace for dataset */ + hsize_t space_allocated = 0; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE7("e", "iih*h*Iu*a*h", dset_id, fspace_id, index, offset, filter_mask, + addr, size); + + /* Check arguments */ + if(NULL == (dset = (H5D_t *)H5I_object_verify(dset_id, H5I_DATASET))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset ID") + if(NULL == (space = (const H5S_t *)H5I_object_verify(fspace_id, H5I_DATASPACE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace ID") + if(index < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument (null)") + if(NULL == offset && NULL == filter_mask && NULL == addr && NULL == size) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid arguments, must have at least one non-null output argument") + + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Call private function to get the chunk info given the chunk's index */ + if(H5D__get_chunk_info(dset, space, index, offset, filter_mask, addr, size) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "Can't get chunk info") + +done: + FUNC_LEAVE_API(ret_value); +} /* H5Dget_chunk_info() */ + + +/*------------------------------------------------------------------------- + * Function: H5Dget_chunk_info_by_coord + * + * Purpose: Retrieves information about a chunk specified by its offset + * coordinates. + * + * Parameters: + * hid_t dset_id IN: Chunked dataset ID + * hsize_t *offset IN: Coordinates of the chunk + * unsigned *filter_mask OUT: Filter mask + * haddr_t *addr OUT: Address of the chunk + * hsize_t *size OUT: Size of the chunk + * + * Return: Non-negative on success, negative on failure + * + * Programmer: Binh-Minh Ribler + * August 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5Dget_chunk_info_by_coord(hid_t dset_id, const hsize_t *offset, unsigned *filter_mask, haddr_t *addr, hsize_t *size) +{ + H5D_t *dset = NULL; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE5("e", "i*h*Iu*a*h", dset_id, offset, filter_mask, addr, size); + + /* Check arguments */ + if(NULL == (dset = (H5D_t *)H5I_object_verify(dset_id, H5I_DATASET))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset") + if(NULL == offset) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument (null)") + if(NULL == filter_mask && NULL == addr && NULL == size) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid arguments, must have at least one non-null output argument") + + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Internal function to get the chunk info */ + if (H5D__get_chunk_info_by_coord(dset, offset, filter_mask, addr, size) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "can't read unprocessed chunk data") +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Dget_chunk_info_by_coord() */ diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index c3f4a95..6bc89d1 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -216,6 +216,17 @@ typedef struct H5D_chunk_readvv_ud_t { const H5D_t *dset; /* Dataset to operate on */ } H5D_chunk_readvv_ud_t; +/* Typedef for chunk info iterator callback */ +typedef struct { + hsize_t scaled[H5O_LAYOUT_NDIMS]; /* Logical offset of the chunk */ + hsize_t ndims; /* Number of dimension in the dataset */ + uint32_t nbytes; /* Size of stored data in the chunk */ + unsigned filter_mask; /* Excluded filters */ + haddr_t chunk_addr; /* Address of the chunk in file */ + hsize_t chunk_idx; /* Chunk index, where the iteration needs to stop */ + hsize_t curr_idx; /* Current index, where the iteration is */ +} H5D_chunk_info_iter_ud_t; + /* Callback info for file selection iteration */ typedef struct H5D_chunk_file_iter_ud_t { H5D_chunk_map_t *fm; /* File->memory chunk mapping info */ @@ -6726,3 +6737,301 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__chunk_format_convert() */ + +/*------------------------------------------------------------------------- + * Function: H5D__get_num_chunks_cb + * + * Purpose: Callback function that increments the number of written + * chunks in the dataset. + * + * Return: Success: H5_ITER_CONT or H5_ITER_STOP + * Failure: Negative (H5_ITER_ERROR) + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +static int +H5D__get_num_chunks_cb(const H5D_chunk_rec_t *chunk_rec, void *_udata) +{ + int ret_value = H5_ITER_CONT; /* Callback return value */ + + hsize_t *num_chunks = (hsize_t *)_udata; + + FUNC_ENTER_STATIC_NOERR + + (*num_chunks)++; + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5D__get_num_chunks_cb() */ + + +/*------------------------------------------------------------------------- + * Function: H5D__get_num_chunks + * + * Purpose: Gets the number of written chunks in a dataset. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5D__get_num_chunks(const H5D_t *dset, const H5S_t *space, hsize_t *nchunks) +{ + H5D_chk_idx_info_t idx_info; /* Chunked index info */ + hsize_t num_chunks = 0; /* Number of written chunks */ + H5D_rdcc_ent_t *ent; /* Cache entry */ + const H5D_rdcc_t *rdcc = &(dset->shared->cache.chunk);/* Raw data chunk cache */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE_TAG(dset->oloc.addr) + + HDassert(dset); + HDassert(dset->shared); + + /* Search for cached chunks that haven't been written out */ + for(ent = rdcc->head; ent; ent = ent->next) + /* Flush the chunk out to disk, to make certain the size is correct later */ + if(H5D__chunk_flush_entry(dset, ent, FALSE) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "cannot flush indexed storage buffer") + + /* Compose chunked index info struct */ + idx_info.f = dset->oloc.file; + idx_info.pline = &dset->shared->dcpl_cache.pline; + idx_info.layout = &dset->shared->layout.u.chunk; + idx_info.storage = &dset->shared->layout.storage.u.chunk; + + /* Iterate over the allocated chunks */ + if((dset->shared->layout.storage.u.chunk.ops->iterate)(&idx_info, H5D__get_num_chunks_cb, &num_chunks) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve allocated chunk information from index") + *nchunks = num_chunks; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5D__get_num_chunks() */ + + +/*------------------------------------------------------------------------- + * Function: H5D__get_chunk_info_cb + * + * Purpose: Get the chunk info of the desired chunk, given by its index. + * + * Return: Success: H5_ITER_CONT or H5_ITER_STOP + * Failure: Negative (H5_ITER_ERROR) + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +static int +H5D__get_chunk_info_cb(const H5D_chunk_rec_t *chunk_rec, void *_udata) +{ + hsize_t ii; + int ret_value = H5_ITER_CONT; /* Callback return value */ + + H5D_chunk_info_iter_ud_t *chunk_info = (H5D_chunk_info_iter_ud_t *)_udata; + + FUNC_ENTER_STATIC_NOERR + + /* If this is the desired chunk, retrieve its info and stop iterating */ + if (chunk_info->curr_idx == chunk_info->chunk_idx) + { + chunk_info->filter_mask = chunk_rec->filter_mask; + chunk_info->chunk_addr = chunk_rec->chunk_addr; + chunk_info->nbytes = chunk_rec->nbytes; + + for (ii = 0; ii < chunk_info->ndims; ii++) + chunk_info->scaled[ii] = chunk_rec->scaled[ii]; + + /* Stop iterating */ + ret_value = H5_ITER_STOP; + } + /* Iterate the next chunk */ + else + chunk_info->curr_idx++; + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5D__get_chunk_info_cb() */ + + +/*------------------------------------------------------------------------- + * Function: H5D__get_chunk_info + * + * Purpose: Iterate over the chunks in the dataset to get the info + * of the desired chunk. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5D__get_chunk_info(const H5D_t *dset, const H5S_t *space, hsize_t index, hsize_t *offset, unsigned *filter_mask, haddr_t *addr, hsize_t *size) +{ + H5D_chk_idx_info_t idx_info; /* Chunked index info */ + H5D_chunk_info_iter_ud_t udata; + const H5D_rdcc_t *rdcc = &(dset->shared->cache.chunk);/* Raw data chunk cache */ + H5D_rdcc_ent_t *ent; /* Cache entry */ + hsize_t ii = 0; /* Dimension index */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE_TAG(dset->oloc.addr) + + HDassert(dset); + HDassert(dset->shared); + + /* Search for cached chunks that haven't been written out */ + for(ent = rdcc->head; ent; ent = ent->next) + /* Flush the chunk out to disk, to make certain the size is correct later */ + if(H5D__chunk_flush_entry(dset, ent, FALSE) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "cannot flush indexed storage buffer") + + /* Compose chunked index info struct */ + idx_info.f = dset->oloc.file; + idx_info.pline = &dset->shared->dcpl_cache.pline; + idx_info.layout = &dset->shared->layout.u.chunk; + idx_info.storage = &dset->shared->layout.storage.u.chunk; + + /* Initialize for iteration */ + udata.chunk_idx = index; + udata.curr_idx = 0; + udata.ndims = dset->shared->ndims; + + /* Iterate over the allocated chunks */ + if((dset->shared->layout.storage.u.chunk.ops->iterate)(&idx_info, H5D__get_chunk_info_cb, &udata) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve allocated chunk information from index") + + /* Obtain requested info */ + if (filter_mask) + *filter_mask = udata.filter_mask; + if (addr) + *addr = udata.chunk_addr; + if (size) + *size = udata.nbytes; + if (offset) + for (ii = 0; ii < udata.ndims; ii++) + offset[ii] = udata.scaled[ii] * dset->shared->layout.u.chunk.dim[ii]; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5D__get_chunk_info() */ + + +/*------------------------------------------------------------------------- + * Function: H5D__get_chunk_info_by_coord_cb + * + * Purpose: Get the chunk info of the desired chunk, given its offset + * coordinates. + * + * Return: Success: H5_ITER_CONT or H5_ITER_STOP + * Failure: Negative (H5_ITER_ERROR) + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +static int +H5D__get_chunk_info_by_coord_cb(const H5D_chunk_rec_t *chunk_rec, void *_udata) +{ + hbool_t different = FALSE; +int ii; + int ret_value = H5_ITER_CONT; /* Callback return value */ + + H5D_chunk_info_iter_ud_t *chunk_info = (H5D_chunk_info_iter_ud_t *)_udata; + + FUNC_ENTER_STATIC_NOERR + + for (ii = 0; ii < chunk_info->ndims && !different; ii++) + { + if (chunk_info->scaled[ii] != chunk_rec->scaled[ii]) + different = TRUE; + } + if (!different) + { + chunk_info->nbytes = chunk_rec->nbytes; + chunk_info->filter_mask = chunk_rec->filter_mask; + chunk_info->chunk_addr = chunk_rec->chunk_addr; + + /* Stop iterating */ + ret_value = H5_ITER_STOP; + } + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5D__get_chunk_info_by_coord_cb() */ + + +/*------------------------------------------------------------------------- + * Function: H5D__get_chunk_info_by_coord + * + * Purpose: Iterate over the chunks in the dataset to get the info + * of the desired chunk, given by its offset coordinates. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Binh-Minh Ribler + * September 2018 (EED-343) + * + *------------------------------------------------------------------------- + */ +herr_t +H5D__get_chunk_info_by_coord(const H5D_t *dset, const hsize_t *offset, unsigned* filter_mask, haddr_t *addr, hsize_t *size) +{ + const H5O_layout_t *layout = &(dset->shared->layout); /* Dataset layout */ + const H5D_rdcc_t *rdcc = &(dset->shared->cache.chunk); /* Raw data chunk cache */ + H5D_rdcc_ent_t *ent; /* Cache entry */ + H5D_chunk_info_iter_ud_t udata; + H5D_chk_idx_info_t idx_info; /* Chunked index info */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE_TAG(dset->oloc.addr) + + /* Check args */ + HDassert(dset && H5D_CHUNKED == layout->type); + HDassert(offset); + HDassert(filter_mask); + HDassert(addr); /* Question: should some OUT args be allowed to be NULL? */ + HDassert(size); + + /* Search for cached chunks that haven't been written out */ + for(ent = rdcc->head; ent; ent = ent->next) + /* Flush the chunk out to disk, to make certain the size is correct later */ + if(H5D__chunk_flush_entry(dset, ent, FALSE) < 0) + HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "cannot flush indexed storage buffer") + + /* Calculate the scaled of this chunk */ + H5VM_chunk_scaled(dset->shared->ndims, offset, layout->u.chunk.dim, udata.scaled); + udata.scaled[dset->shared->ndims] = 0; + + /* Get the number of dimensions for use in callback function */ + udata.ndims = dset->shared->ndims; + + /* Compose chunked index info struct */ + idx_info.f = dset->oloc.file; + idx_info.pline = &dset->shared->dcpl_cache.pline; + idx_info.layout = &dset->shared->layout.u.chunk; + idx_info.storage = &dset->shared->layout.storage.u.chunk; + + /* Iterate over the allocated chunks */ + if((dset->shared->layout.storage.u.chunk.ops->iterate)(&idx_info, H5D__get_chunk_info_by_coord_cb, &udata) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve allocated chunk information from scaled") + + /* Return the filter mask and chunk address and size */ + *filter_mask = udata.filter_mask; + *addr = udata.chunk_addr; + *size = udata.nbytes; + +done: + FUNC_LEAVE_NOAPI_TAG(ret_value) +} /* end H5D__get_chunk_info_by_coord() */ + diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h index b887b87..7d550b5 100644 --- a/src/H5Dpkg.h +++ b/src/H5Dpkg.h @@ -566,6 +566,9 @@ H5_DLL herr_t H5D__alloc_storage(const H5D_io_info_t *io_info, H5D_time_alloc_t H5_DLL herr_t H5D__get_storage_size(const H5D_t *dset, hsize_t *storage_size); H5_DLL herr_t H5D__get_chunk_storage_size(H5D_t *dset, const hsize_t *offset, hsize_t *storage_size); +H5_DLL herr_t H5D__get_num_chunks(const H5D_t *dset, const H5S_t *space, hsize_t *nchunks); +H5_DLL herr_t H5D__get_chunk_info(const H5D_t *dset, const H5S_t *space, hsize_t index, hsize_t *coord, unsigned *filter_mask, haddr_t *offset, hsize_t *size); +H5_DLL herr_t H5D__get_chunk_info_by_coord(const H5D_t *dset, const hsize_t *coord, unsigned* filter_mask, haddr_t *addr, hsize_t *size); H5_DLL haddr_t H5D__get_offset(const H5D_t *dset); H5_DLL void *H5D__vlen_get_buf_size_alloc(size_t size, void *info); H5_DLL herr_t H5D__vlen_get_buf_size(void *elem, hid_t type_id, unsigned ndim, diff --git a/src/H5Dpublic.h b/src/H5Dpublic.h index a1ccda0..fcc76ee 100644 --- a/src/H5Dpublic.h +++ b/src/H5Dpublic.h @@ -141,6 +141,9 @@ H5_DLL hid_t H5Dget_create_plist(hid_t dset_id); H5_DLL hid_t H5Dget_access_plist(hid_t dset_id); H5_DLL hsize_t H5Dget_storage_size(hid_t dset_id); H5_DLL herr_t H5Dget_chunk_storage_size(hid_t dset_id, const hsize_t *offset, hsize_t *chunk_bytes); +H5_DLL herr_t H5Dget_num_chunks(hid_t dset_id, hid_t fspace_id, hsize_t *nchunks); +H5_DLL herr_t H5Dget_chunk_info_by_coord(hid_t dset_id, const hsize_t *coord, unsigned *filter_mask, haddr_t *addr, hsize_t *size); +H5_DLL herr_t H5Dget_chunk_info(hid_t dset_id, hid_t fspace_id, hsize_t index, hsize_t *coord, unsigned *filter_mask, haddr_t *addr, hsize_t *size); H5_DLL haddr_t H5Dget_offset(hid_t dset_id); H5_DLL herr_t H5Dread(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, void *buf/*out*/); diff --git a/test/dsets.c b/test/dsets.c index d23f438..e8d86d1 100644 --- a/test/dsets.c +++ b/test/dsets.c @@ -84,6 +84,7 @@ const char *FILENAME[] = { "dls_01_strings", /* 23 */ "power2up", /* 24 */ "version_bounds", /* 25 */ + "chunk_info", /* 26 */ NULL }; @@ -268,6 +269,17 @@ const char *FILENAME[] = { #define STORAGE_SIZE_CHUNK_DIM1 5 #define STORAGE_SIZE_CHUNK_DIM2 5 +/* Parameters for testing chunk querying */ +#define DSET_SIMPLE_CHUNKED "Chunked Dataset" +#define RANK 2 +#define NX 16 +#define NY 16 +#define CHUNK_NX 4 +#define CHUNK_NY 4 +#define CHUNK_SIZE 64 +#define NUM_CHUNKS 16 +#define NUM_CHUNKS_WRITTEN 4 + /* Shared global arrays */ #define DSET_DIM1 100 #define DSET_DIM2 200 @@ -13034,6 +13046,270 @@ test_versionbounds() return -1; } /* test_versionbounds() */ +/*------------------------------------------------------------------------- + * Function: read_each_chunk (helper function) + * + * Purpose: Reads the chunk specified by its offset and verifies that + * it contains the same data as what was written. This function + * is used in test_get_chunk_info. + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Date: September 2018 + * + *------------------------------------------------------------------------- + */ +static herr_t read_each_chunk(hid_t dset_id, hsize_t offset1, hsize_t offset2, unsigned check_filter_mask, void *direct_buf) +{ + size_t buf_size = CHUNK_NX*CHUNK_NY*sizeof(int); + int read_buf[CHUNK_NX][CHUNK_NY]; + hsize_t offset[2] = {offset1, offset2}; + unsigned read_filter_mask = 0; + + /* Read the raw chunk back */ + HDmemset(&read_buf, 0, sizeof(read_buf)); + + /* Read the chunk specified by its offset */ + if (H5Dread_chunk(dset_id, H5P_DEFAULT, offset, &read_filter_mask, read_buf) < 0) + return(FAIL); + + /* Verify that read chunk is the same as the corresponding written one */ + if (HDmemcmp(direct_buf, read_buf, CHUNK_NX*CHUNK_NY) != 0) + { + fprintf(stderr, "Read chunk differs than written chunk at offset (%d,%d)\n", offset1, offset2); + return(FAIL); + } + + return(SUCCEED); +} + +/*------------------------------------------------------------------------- + * Function: reinit_vars (helper function) + * + * Purpose: Helper function to wipe out variables for the next use, + * used in test_get_chunk_info. + * + * Return: Won't fail + * + * Date: September 2018 + * + *------------------------------------------------------------------------- + */ +void reinit_vars(unsigned *read_filter_mask, hsize_t *addr, hsize_t *size) +{ + if (read_filter_mask) *read_filter_mask = 0; + if (addr) *addr = 0; + if (size) *size = 0; +} + +/*------------------------------------------------------------------------- + * Function: test_get_chunk_info + * + * Purpose: Test getting various chunk information + * + * Return: Success: 0 + * Failure: 1 + * + * Date: September 2018 + * + *------------------------------------------------------------------------- + */ +static herr_t +test_get_chunk_info() +{ + hid_t chunkfile = -1, fapl = -1; + hid_t fspace = -1, dset = -1; + hid_t mspace = -1; + hid_t cparms = -1, dxpl = -1; + hsize_t dims[2] = {NX, NY}; + hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED}; + hsize_t chunk_dims[2] ={CHUNK_NX, CHUNK_NY}; + int fillvalue = -1; + char filename[FILENAME_BUF_SIZE]; + unsigned filter_mask = 0; + int direct_buf[16][CHUNK_NX][CHUNK_NY]; + int out_buf[NX][NY]; + size_t buf_size = CHUNK_NX*CHUNK_NY*sizeof(int); + int aggression = 9; /* Compression aggression setting */ + unsigned read_filter_mask = 0; /* filter mask after direct read */ + H5F_libver_t low, high; /* File format bounds */ + hsize_t start[2]; /* Start of hyperslab */ + hsize_t stride[2]; /* Stride of hyperslab */ + hsize_t count[2]; /* Block count */ + hsize_t block[2]; /* Block sizes */ + hsize_t offset[2]; + hsize_t coord[H5S_MAX_RANK]; + hsize_t out_offset[2] = {-1, -1}; + hsize_t size = 0; + hsize_t nchunks = 0; + hsize_t addr = 0; + hsize_t index = 0; + hsize_t i, j, n; + + TESTING("getting chunk information"); + + /* Create a copy of file access property list */ + if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) TEST_ERROR + + /* Set high bound to V18 */ + low = H5F_LIBVER_EARLIEST; + high = H5F_LIBVER_V18; + if (H5Pset_libver_bounds(fapl, low, high) < 0) + TEST_ERROR; + + /* Create a file */ + h5_fixname(FILENAME[26], fapl, filename, sizeof filename); + if((chunkfile = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) + TEST_ERROR + + /* Create the data space */ + if((fspace = H5Screate_simple(RANK, dims, maxdims)) < 0) + TEST_ERROR + + if((mspace = H5Screate_simple(RANK, chunk_dims, NULL)) < 0) + TEST_ERROR + + /* Modify dataset creation properties, i.e. enable chunking and compression */ + if((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0) + TEST_ERROR + + if(H5Pset_chunk(cparms, RANK, chunk_dims) < 0) + TEST_ERROR + + if(H5Pset_deflate(cparms, (unsigned ) aggression) < 0) + TEST_ERROR + + if (H5Pset_fill_value(cparms, H5T_NATIVE_INT, &fillvalue) < 0) + TEST_ERROR; + + /* Create a new dataset using cparms creation properties */ + if((dset = H5Dcreate2(chunkfile, DSET_SIMPLE_CHUNKED, H5T_NATIVE_INT, fspace, + H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0) TEST_ERROR + + if((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0) + TEST_ERROR + + /* Indicate skipping the compression filter. */ + filter_mask = 0x00000001; + + /* Initialize the array of chunk data, that is for all 16 chunks */ + for(n = 0; n < 16; n++) + for(i = 0; i < CHUNK_NX; i++) + for(j = 0; j < CHUNK_NY; j++) + direct_buf[n][i][j] = n + 1; + + /* Write NUM_CHUNKS_WRITTEN chunks: (0,2) (0,3) (1,2) (1,3) */ + n = 0; + for (i = 0; i < 2; i++) + for (j = 2; j < 4; j++, n++) + { + offset[0] = i * CHUNK_NX; + offset[1] = j * CHUNK_NY; + if (H5Dwrite_chunk(dset, dxpl, filter_mask, offset, buf_size, (void*)direct_buf[n]) < 0) + TEST_ERROR + } + + /* Close the dataset then... */ + if(H5Dclose(dset) < 0) TEST_ERROR + + /* ...open it again to test the chunk query functions */ + if((dset = H5Dopen2(chunkfile, DSET_SIMPLE_CHUNKED, H5P_DEFAULT)) < 0) TEST_ERROR + + /* Get and verify the number of chunks written */ + if (H5Dget_num_chunks(dset, mspace, &nchunks) < 0) TEST_ERROR; + if (nchunks != NUM_CHUNKS_WRITTEN) TEST_ERROR; + + /* Read the entire dataset back */ + start[0] = 0; start[1] = 0; + stride[0] = 1; stride[1] = 1; + count[0] = 1; count[1] = 1; + block[0] = CHUNK_NX; block[1] = CHUNK_NY; + if(H5Dread(dset, H5T_NATIVE_INT, fspace, fspace, H5P_DEFAULT, out_buf) < 0) + TEST_ERROR + + /* Get and verify info of the first chunk */ + index = 0; + reinit_vars(&read_filter_mask, &addr, &size); + if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0) + TEST_ERROR + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + if (out_offset[0] != 0 || out_offset[1] != 8) TEST_ERROR; + + /* Get and verify info of the second chunk */ + index = 1; + reinit_vars(&read_filter_mask, &addr, &size); + if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0) + TEST_ERROR + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + if (out_offset[0] != 0 || out_offset[1] != 12) TEST_ERROR; + + /* Get and verify info of the third chunk */ + index = 2; + reinit_vars(&read_filter_mask, &addr, &size); + if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0) + TEST_ERROR + + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + if (out_offset[0] != 4 || out_offset[1] != 8) TEST_ERROR; + + /* Get and verify info of the last chunk */ + index = 3; + reinit_vars(&read_filter_mask, &addr, &size); + if (H5Dget_chunk_info(dset, fspace, index, out_offset, &read_filter_mask, &addr, &size) < 0) + TEST_ERROR + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + if (out_offset[0] != 4 || out_offset[1] != 12) TEST_ERROR; + + /* Get info of the chunk at logical coordinates (0,2) */ + offset[0] = 0; + offset[1] = 2 * CHUNK_NY; + if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR; + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + + /* Get info of the chunk at logical coordinates (1,3) */ + offset[0] = 1 * CHUNK_NX; + offset[1] = 3 * CHUNK_NY; + if (H5Dget_chunk_info_by_coord(dset, offset, &read_filter_mask, &addr, &size) < 0) TEST_ERROR; + if (read_filter_mask != filter_mask) TEST_ERROR; + if (size != CHUNK_SIZE) TEST_ERROR; + + /* Read each chunk and print the values */ + n = 0; + for (i = 0; i < 2; i++) + for (j = 2; j < 4; j++, n++) + if (read_each_chunk(dset, i*CHUNK_NX, j*CHUNK_NY, filter_mask, (void*)direct_buf[n]) < 0) + TEST_ERROR + + /* Close/release resources. */ + H5Dclose(dset); + H5Sclose(mspace); + H5Sclose(fspace); + H5Pclose(cparms); + H5Pclose(dxpl); + H5Fclose(chunkfile); + + PASSED(); + return 0; + +error: + H5E_BEGIN_TRY { + H5Dclose(dset); + H5Sclose(mspace); + H5Sclose(fspace); + H5Pclose(cparms); + H5Pclose(dxpl); + } H5E_END_TRY; + + H5_FAILED(); + return 1; +} /* test_get_chunk_info() */ + /*------------------------------------------------------------------------- * Function: main @@ -13232,7 +13508,10 @@ main(void) nerrors += (test_gather_error() < 0 ? 1 : 0); /* Tests version bounds using its own file */ - nerrors += (test_versionbounds() < 0 ? 1 : 0); + nerrors += (test_versionbounds() < 0 ? 1 : 0); + + /* Tests getting chunk information */ + nerrors += (test_get_chunk_info() < 0 ? 1 : 0); /* Run misc tests */ nerrors += dls_01_main(); |