diff options
Diffstat (limited to 'src/H5Pdapl.c')
| -rw-r--r-- | src/H5Pdapl.c | 278 |
1 files changed, 277 insertions, 1 deletions
diff --git a/src/H5Pdapl.c b/src/H5Pdapl.c index fc009fb..eab9337 100644 --- a/src/H5Pdapl.c +++ b/src/H5Pdapl.c @@ -62,6 +62,16 @@ #define H5D_ACS_PREEMPT_READ_CHUNKS_DEF H5D_CHUNK_CACHE_W0_DEFAULT #define H5D_ACS_PREEMPT_READ_CHUNKS_ENC H5P__encode_double #define H5D_ACS_PREEMPT_READ_CHUNKS_DEC H5P__decode_double +/* Definitions for VDS view option */ +#define H5D_ACS_VDS_VIEW_SIZE sizeof(H5D_vds_view_t) +#define H5D_ACS_VDS_VIEW_DEF H5D_VDS_LAST_AVAILABLE +#define H5D_ACS_VDS_VIEW_ENC H5P__dacc_vds_view_enc +#define H5D_ACS_VDS_VIEW_DEC H5P__dacc_vds_view_dec +/* Definitions for VDS printf gap */ +#define H5D_ACS_VDS_PRINTF_GAP_SIZE sizeof(hsize_t) +#define H5D_ACS_VDS_PRINTF_GAP_DEF (hsize_t)0 +#define H5D_ACS_VDS_PRINTF_GAP_ENC H5P__encode_hsize_t +#define H5D_ACS_VDS_PRINTF_GAP_DEC H5P__decode_hsize_t /******************/ /* Local Typedefs */ @@ -86,6 +96,10 @@ static herr_t H5P__encode_chunk_cache_nbytes(const void *value, void **_pp, size_t *size); static herr_t H5P__decode_chunk_cache_nbytes(const void **_pp, void *_value); +/* Property list callbacks */ +static herr_t H5P__dacc_vds_view_enc(const void *value, void **pp, size_t *size); +static herr_t H5P__dacc_vds_view_dec(const void **pp, void *value); + /*********************/ /* Package Variables */ @@ -140,6 +154,8 @@ H5P__dacc_reg_prop(H5P_genclass_t *pclass) size_t rdcc_nslots = H5D_ACS_DATA_CACHE_NUM_SLOTS_DEF; /* Default raw data chunk cache # of slots */ size_t rdcc_nbytes = H5D_ACS_DATA_CACHE_BYTE_SIZE_DEF; /* Default raw data chunk cache # of bytes */ double rdcc_w0 = H5D_ACS_PREEMPT_READ_CHUNKS_DEF; /* Default raw data chunk cache dirty ratio */ + H5D_vds_view_t virtual_view = H5D_ACS_VDS_VIEW_DEF; /* Default VDS view option */ + hsize_t printf_gap = H5D_ACS_VDS_PRINTF_GAP_DEF; /* Default VDS printf gap */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -159,6 +175,18 @@ H5P__dacc_reg_prop(H5P_genclass_t *pclass) NULL, NULL, NULL, H5D_ACS_PREEMPT_READ_CHUNKS_ENC, H5D_ACS_PREEMPT_READ_CHUNKS_DEC, NULL, NULL, NULL, NULL) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the VDS view option */ + if(H5P_register_real(pclass, H5D_ACS_VDS_VIEW_NAME, H5D_ACS_VDS_VIEW_SIZE, &virtual_view, + NULL, NULL, NULL, H5D_ACS_VDS_VIEW_ENC, H5D_ACS_VDS_VIEW_DEC, + NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + + /* Register the VDS printf gap */ + if(H5P_register_real(pclass, H5D_ACS_VDS_PRINTF_GAP_NAME, H5D_ACS_VDS_PRINTF_GAP_SIZE, &printf_gap, + NULL, NULL, NULL, H5D_ACS_VDS_PRINTF_GAP_ENC, H5D_ACS_VDS_PRINTF_GAP_DEC, + NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5P__dacc_reg_prop() */ @@ -289,7 +317,7 @@ H5Pget_chunk_cache(hid_t dapl_id, size_t *rdcc_nslots, size_t *rdcc_nbytes, doub done: FUNC_LEAVE_API(ret_value) -} /* end H5Pget_chunk_cache */ +} /* end H5Pget_chunk_cache() */ /*------------------------------------------------------------------------- @@ -511,3 +539,251 @@ H5P__decode_chunk_cache_nbytes(const void **_pp, void *_value) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5P__decode_chunk_cache_nbytes() */ + +/*------------------------------------------------------------------------- + * Function: H5Pset_virtual_view + * + * Purpose: Takes the access property list for the virtual dataset, + * dapl_id, and the flag, view, and sets the VDS view + * according to the flag value. The view will include all + * data before the first missing mapped data found if the + * flag is set to H5D_VDS_FIRST_MISSING or to include all + * available mapped data if the flag is set to + * H5D_VDS_LAST_AVAIALBLE. Missing mapped data will be + * filled with the fill value according to the VDS creation + * property settings. For VDS with unlimited mappings, the + * view defines the extent. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 4, 2015 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pset_virtual_view(hid_t plist_id, H5D_vds_view_t view) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "iDv", plist_id, view); + + /* Check argument */ + if((view != H5D_VDS_FIRST_MISSING) && (view != H5D_VDS_LAST_AVAILABLE)) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a valid bounds option") + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Update property list */ + if(H5P_set(plist, H5D_ACS_VDS_VIEW_NAME, &view) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pset_virtual_view() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pget_virtual_view + * + * Purpose: Takes the access property list for the virtual dataset, + * dapl_id, and gets the flag, view, set by the + * H5Pset_virtual_view call. The possible values of view are + * H5D_VDS_FIRST_MISSING or H5D_VDS_LAST_AVAIALBLE. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 4, 2015 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pget_virtual_view(hid_t plist_id, H5D_vds_view_t *view) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "i*Dv", plist_id, view); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Get value from property list */ + if(view) + if(H5P_get(plist, H5D_ACS_VDS_VIEW_NAME, view) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pget_virtual_view() */ + + +/*------------------------------------------------------------------------- + * Function: H5P__dacc_vds_view_enc + * + * Purpose: Callback routine which is called whenever the vds view + * property in the dataset access property list is encoded. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Neil Fortner + * Tuesday, May 5, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5P__dacc_vds_view_enc(const void *value, void **_pp, size_t *size) +{ + const H5D_vds_view_t *view = (const H5D_vds_view_t *)value; /* Create local alias for values */ + uint8_t **pp = (uint8_t **)_pp; + + FUNC_ENTER_STATIC_NOERR + + /* Sanity check */ + HDassert(view); + HDassert(size); + + if(NULL != *pp) + /* Encode EDC property */ + *(*pp)++ = (uint8_t)*view; + + /* Size of EDC property */ + (*size)++; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5P__dacc_vds_view_enc() */ + + +/*------------------------------------------------------------------------- + * Function: H5P__dacc_vds_view_dec + * + * Purpose: Callback routine which is called whenever the vds view + * property in the dataset access property list is encoded. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Neil Fortner + * Tuesday, May 5, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5P__dacc_vds_view_dec(const void **_pp, void *_value) +{ + H5D_vds_view_t *view = (H5D_vds_view_t *)_value; + const uint8_t **pp = (const uint8_t **)_pp; + + FUNC_ENTER_STATIC_NOERR + + /* Sanity checks */ + HDassert(pp); + HDassert(*pp); + HDassert(view); + + /* Decode EDC property */ + *view = (H5D_vds_view_t)*(*pp)++; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5P__dacc_vds_view_dec() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pset_virtual_printf_gap + * + * Purpose: Sets the access property list for the virtual dataset, + * dapl_id, to instruct the library to stop looking for the + * mapped data stored in the files and/or datasets with the + * printf-style names after not finding gap_size files and/or + * datasets. The found source files and datasets will + * determine the extent of the unlimited VDS with the printf + * -style mappings. + * + * For example, if regularly spaced blocks of VDS are mapped + * to datasets with the names d-1, d-2, d-3, ..., d-N, ..., + * and d-2 dataset is missing and gap_size is set to 0, then + * VDS will contain only data found in d-1. If d-2 and d-3 + * are missing and gap_size is set to 2, then VDS will + * contain the data from d-1, d-3, ..., d-N, .... The blocks + * that are mapped to d-2 and d-3 will be filled according to + * the VDS fill value setting. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 21, 2015 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pset_virtual_printf_gap(hid_t plist_id, hsize_t gap_size) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ih", plist_id, gap_size); + + /* Check argument */ + if(gap_size == HSIZE_UNDEF) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a valid printf gap size") + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Update property list */ + if(H5P_set(plist, H5D_ACS_VDS_PRINTF_GAP_NAME, &gap_size) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pset_virtual_printf_gap() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pget_virtual_printf_gap + * + * Purpose: Gets the maximum number of missing printf-style files + * and/or datasets for determining the extent of the + * unlimited VDS, gap_size, using the access property list + * for the virtual dataset, dapl_id. The default library + * value for gap_size is 0. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * May 21, 2015 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pget_virtual_printf_gap(hid_t plist_id, hsize_t *gap_size) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "i*h", plist_id, gap_size); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_ACCESS))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Get value from property list */ + if(gap_size) + if(H5P_get(plist, H5D_ACS_VDS_PRINTF_GAP_NAME, gap_size) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pget_virtual_printf_gap() */ + |