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-rw-r--r--src/H5Dint.c101
-rw-r--r--src/H5Dpkg.h3
-rw-r--r--src/H5Dprivate.h11
-rw-r--r--src/H5Dvirtual.c65
-rw-r--r--src/H5Fprivate.h1
-rw-r--r--src/H5Pdapl.c366
-rw-r--r--src/H5Pfapl.c69
-rw-r--r--src/H5Ppublic.h4
8 files changed, 605 insertions, 15 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c
index b6c0341..2123836 100644
--- a/src/H5Dint.c
+++ b/src/H5Dint.c
@@ -63,6 +63,8 @@ static herr_t H5D__update_oh_info(H5F_t *file, hid_t dxpl_id, H5D_t *dset,
hid_t dapl_id);
static herr_t H5D_build_extfile_prefix(const H5D_t *dset, hid_t dapl_id,
char **extfile_prefix);
+static herr_t H5D_build_vds_prefix(const H5D_t *dset, hid_t dapl_id,
+ char **vds_prefix);
static herr_t H5D__open_oid(H5D_t *dataset, hid_t dapl_id, hid_t dxpl_id);
static herr_t H5D__init_storage(const H5D_io_info_t *io_info, hbool_t full_overwrite,
hsize_t old_dim[]);
@@ -1037,6 +1039,81 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5D_build_extfile_prefix() */
+
+/*--------------------------------------------------------------------------
+ * Function: H5D_build_vds_prefix
+ *
+ * Purpose: Determine the vds file prefix to be used and store
+ * it in vds_prefix. Stores an empty string if no prefix
+ * should be used.
+ *
+ * Return: SUCCEED/FAIL
+ *--------------------------------------------------------------------------
+ */
+static herr_t
+H5D_build_vds_prefix(const H5D_t *dset, hid_t dapl_id, char **vds_prefix /*out*/)
+{
+ char *prefix = NULL; /* prefix used to look for the file */
+ char *vdspath = NULL; /* absolute path of directory the HDF5 file is in */
+ size_t vdspath_len; /* length of vdstpath */
+ size_t prefix_len; /* length of prefix */
+ size_t vds_prefix_len; /* length of expanded prefix */
+ H5P_genplist_t *plist = NULL; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+ HDassert(dset);
+ HDassert(dset->oloc.file);
+
+ vdspath = H5F_EXTPATH(dset->oloc.file);
+ HDassert(vdspath);
+
+ /* XXX: Future thread-safety note - getenv is not required
+ * to be reentrant.
+ */
+ prefix = HDgetenv("HDF5_VDS_PREFIX");
+
+ if(prefix == NULL || *prefix == '\0') {
+ /* Set prefix to value of H5D_ACS_VDS_PREFIX_NAME property */
+ if(NULL == (plist = H5P_object_verify(dapl_id, H5P_DATASET_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+ if(H5P_peek(plist, H5D_ACS_VDS_PREFIX_NAME, &prefix) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vds prefix")
+ } /* end if */
+
+ /* Prefix has to be checked for NULL / empty string again because the
+ * code above might have updated it.
+ */
+ if(prefix == NULL || *prefix == '\0' || HDstrcmp(prefix, ".") == 0) {
+ /* filename is interpreted as relative to the current directory,
+ * does not need to be expanded
+ */
+ if(NULL == (*vds_prefix = (char *)H5MM_strdup("")))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+ } /* end if */
+ else {
+ if (HDstrncmp(prefix, "${ORIGIN}", HDstrlen("${ORIGIN}")) == 0) {
+ /* Replace ${ORIGIN} at beginning of prefix by directory of HDF5 file */
+ vdspath_len = HDstrlen(vdspath);
+ prefix_len = HDstrlen(prefix);
+ vds_prefix_len = vdspath_len + prefix_len - HDstrlen("${ORIGIN}") + 1;
+
+ if(NULL == (*vds_prefix = (char *)H5MM_malloc(vds_prefix_len)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate buffer")
+ HDsnprintf(*vds_prefix, vds_prefix_len, "%s%s", vdspath, prefix + HDstrlen("${ORIGIN}"));
+ } /* end if */
+ else {
+ if(NULL == (*vds_prefix = (char *)H5MM_strdup(prefix)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+ } /* end else */
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5D_build_vds_prefix() */
+
/*-------------------------------------------------------------------------
* Function: H5D__create
@@ -1220,6 +1297,10 @@ H5D__create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id,
if(H5D_build_extfile_prefix(new_dset, dapl_id, &new_dset->shared->extfile_prefix) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize external file prefix")
+ /* Set the vds file prefix */
+ if(H5D_build_vds_prefix(new_dset, dapl_id, &new_dset->shared->vds_prefix) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize vds prefix")
+
/* Add the dataset to the list of opened objects in the file */
if(H5FO_top_incr(new_dset->oloc.file, new_dset->oloc.addr) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINC, NULL, "can't incr object ref. count")
@@ -1265,6 +1346,7 @@ done:
if(new_dset->shared->dcpl_id != 0 && H5I_dec_ref(new_dset->shared->dcpl_id) < 0)
HDONE_ERROR(H5E_DATASET, H5E_CANTDEC, NULL, "unable to decrement ref count on property list")
new_dset->shared->extfile_prefix = (char *)H5MM_xfree(new_dset->shared->extfile_prefix);
+ new_dset->shared->vds_prefix = (char *)H5MM_xfree(new_dset->shared->vds_prefix);
new_dset->shared = H5FL_FREE(H5D_shared_t, new_dset->shared);
} /* end if */
new_dset->oloc.file = NULL;
@@ -1351,6 +1433,7 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id)
H5D_shared_t *shared_fo = NULL;
H5D_t *dataset = NULL;
char *extfile_prefix = NULL; /* Expanded external file prefix */
+ char *vds_prefix = NULL; /* Expanded vds prefix */
H5D_t *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI(NULL)
@@ -1374,6 +1457,10 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id)
if(H5D_build_extfile_prefix(dataset, dapl_id, &extfile_prefix) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize external file prefix")
+ /* Get the vds prefix */
+ if(H5D_build_vds_prefix(dataset, dapl_id, &vds_prefix) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize vds prefix")
+
/* Check if dataset was already open */
if(NULL == (shared_fo = (H5D_shared_t *)H5FO_opened(dataset->oloc.file, dataset->oloc.addr))) {
/* Clear any errors from H5FO_opened() */
@@ -1399,6 +1486,11 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id)
/* Prevent string from being freed during done: */
extfile_prefix = NULL;
+ /* Set the vds file prefix */
+ dataset->shared->vds_prefix = vds_prefix;
+ /* Prevent string from being freed during done: */
+ vds_prefix = NULL;
+
} /* end if */
else {
/* Point to shared info */
@@ -1430,12 +1522,14 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id)
done:
extfile_prefix = (char *)H5MM_xfree(extfile_prefix);
+ vds_prefix = (char *)H5MM_xfree(vds_prefix);
if(ret_value == NULL) {
/* Free the location--casting away const*/
if(dataset) {
if(shared_fo == NULL && dataset->shared) { /* Need to free shared fo */
dataset->shared->extfile_prefix = (char *)H5MM_xfree(dataset->shared->extfile_prefix);
+ dataset->shared->vds_prefix = (char *)H5MM_xfree(dataset->shared->vds_prefix);
dataset->shared = H5FL_FREE(H5D_shared_t, dataset->shared);
}
@@ -1818,6 +1912,9 @@ H5D_close(H5D_t *dataset)
/* Free the external file prefix */
dataset->shared->extfile_prefix = (char *)H5MM_xfree(dataset->shared->extfile_prefix);
+ /* Free the vds file prefix */
+ dataset->shared->vds_prefix = (char *)H5MM_xfree(dataset->shared->vds_prefix);
+
/* Release layout, fill-value, efl & pipeline messages */
if(dataset->shared->dcpl_id != H5P_DATASET_CREATE_DEFAULT)
free_failed |= (H5O_msg_reset(H5O_PLINE_ID, &dataset->shared->dcpl_cache.pline) < 0) ||
@@ -3360,6 +3457,10 @@ H5D_get_access_plist(H5D_t *dset)
if(H5P_set(new_plist, H5D_ACS_VDS_PRINTF_GAP_NAME, &(dset->shared->layout.storage.u.virt.printf_gap)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set VDS printf gap")
+ /* Set the vds prefix option */
+ if(H5P_set(new_plist, H5D_ACS_VDS_PREFIX_NAME, &(dset->shared->vds_prefix)) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vds prefix")
+
/* Set the external file prefix option */
if(H5P_set(new_plist, H5D_ACS_EFILE_PREFIX_NAME, &(dset->shared->extfile_prefix)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set external file prefix")
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h
index 542abd0..45f2d3a 100644
--- a/src/H5Dpkg.h
+++ b/src/H5Dpkg.h
@@ -476,6 +476,7 @@ typedef struct H5D_shared_t {
H5D_append_flush_t append_flush; /* Append flush property information */
char *extfile_prefix; /* expanded external file prefix */
+ char *vds_prefix; /* expanded vds prefix */
} H5D_shared_t;
struct H5D_t {
@@ -598,7 +599,7 @@ H5_DLL herr_t H5D_set_io_info_dxpls(H5D_io_info_t *io_info, hid_t dxpl_id);
H5_DLL herr_t H5D__format_convert(H5D_t *dataset, hid_t dxpl_id);
/* Internal I/O routines */
-H5_DLL herr_t H5D__pre_write(H5D_t *dset, hbool_t direct_write, hid_t mem_type_id,
+H5_DLL herr_t H5D__pre_write(H5D_t *dset, hbool_t direct_write, hid_t mem_type_id,
const H5S_t *mem_space, const H5S_t *file_space, hid_t dxpl_id, const void *buf);
H5_DLL herr_t H5D__read(H5D_t *dataset, hid_t mem_type_id,
const H5S_t *mem_space, const H5S_t *file_space, hid_t dset_xfer_plist,
diff --git a/src/H5Dprivate.h b/src/H5Dprivate.h
index fb994d8..ed13467 100644
--- a/src/H5Dprivate.h
+++ b/src/H5Dprivate.h
@@ -47,12 +47,13 @@
#define H5D_CRT_EXT_FILE_LIST_NAME "efl" /* External file list */
/* ======== Dataset access property names ======== */
-#define H5D_ACS_DATA_CACHE_NUM_SLOTS_NAME "rdcc_nslots" /* Size of raw data chunk cache(slots) */
-#define H5D_ACS_DATA_CACHE_BYTE_SIZE_NAME "rdcc_nbytes" /* Size of raw data chunk cache(bytes) */
-#define H5D_ACS_PREEMPT_READ_CHUNKS_NAME "rdcc_w0" /* Preemption read chunks first */
-#define H5D_ACS_VDS_VIEW_NAME "vds_view" /* VDS view option */
+#define H5D_ACS_DATA_CACHE_NUM_SLOTS_NAME "rdcc_nslots" /* Size of raw data chunk cache(slots) */
+#define H5D_ACS_DATA_CACHE_BYTE_SIZE_NAME "rdcc_nbytes" /* Size of raw data chunk cache(bytes) */
+#define H5D_ACS_PREEMPT_READ_CHUNKS_NAME "rdcc_w0" /* Preemption read chunks first */
+#define H5D_ACS_VDS_VIEW_NAME "vds_view" /* VDS view option */
#define H5D_ACS_VDS_PRINTF_GAP_NAME "vds_printf_gap" /* VDS printf gap size */
-#define H5D_ACS_APPEND_FLUSH_NAME "append_flush" /* Append flush actions */
+#define H5D_ACS_VDS_PREFIX_NAME "vds_prefix" /* VDS file prefix */
+#define H5D_ACS_APPEND_FLUSH_NAME "append_flush" /* Append flush actions */
#define H5D_ACS_EFILE_PREFIX_NAME "external file prefix" /* External file prefix */
/* ======== Data transfer properties ======== */
diff --git a/src/H5Dvirtual.c b/src/H5Dvirtual.c
index 3be2353..e0a4a83 100644
--- a/src/H5Dvirtual.c
+++ b/src/H5Dvirtual.c
@@ -731,6 +731,38 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__virtual_delete */
+
+/*--------------------------------------------------------------------------
+ * Function: H5D__virtual_build_name
+ *
+ * Purpose: Prepend PREFIX to FILE_NAME and store in FULL_NAME
+ *
+ * Return: Non-negative on success/Negative on failure
+ *--------------------------------------------------------------------------*/
+static herr_t
+H5D__virtual_build_name(char *prefix, char *file_name, char **full_name/*out*/)
+{
+ size_t prefix_len; /* length of prefix */
+ size_t fname_len; /* Length of external link file name */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+ prefix_len = HDstrlen(prefix);
+ fname_len = HDstrlen(file_name);
+
+ /* Allocate a buffer to hold the filename + prefix + possibly the delimiter + terminating null byte */
+ if(NULL == (*full_name = (char *)H5MM_malloc(prefix_len + fname_len + 2)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate filename buffer")
+
+ /* Compose the full file name */
+ HDsnprintf(*full_name, (prefix_len + fname_len + 2), "%s%s%s", prefix,
+ (H5_CHECK_DELIMITER(prefix[prefix_len - 1]) ? "" : H5_DIR_SEPS), file_name);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5D__virtual_build_name() */
+
/*-------------------------------------------------------------------------
* Function: H5D__virtual_open_source_dset
@@ -750,9 +782,11 @@ H5D__virtual_open_source_dset(const H5D_t *vdset,
H5O_storage_virtual_srcdset_t *source_dset, hid_t dxpl_id)
{
H5F_t *src_file = NULL; /* Source file */
+ char *vds_prefix = NULL; /* Source file vds_prefix */
hbool_t src_file_open = FALSE; /* Whether we have opened and need to close src_file */
H5G_loc_t src_root_loc; /* Object location of source file root group */
herr_t ret_value = SUCCEED; /* Return value */
+ char *full_name = NULL; /* File name with prefix */
FUNC_ENTER_STATIC
@@ -762,14 +796,27 @@ H5D__virtual_open_source_dset(const H5D_t *vdset,
HDassert(!source_dset->dset);
HDassert(source_dset->file_name);
HDassert(source_dset->dset_name);
+ vds_prefix = vdset->shared->vds_prefix;
/* Check if we need to open the source file */
if(HDstrcmp(source_dset->file_name, ".")) {
- /* Open the source file */
- if(NULL == (src_file = H5F_open(source_dset->file_name, H5F_INTENT(vdset->oloc.file) & (H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE | H5F_ACC_SWMR_READ), H5P_FILE_CREATE_DEFAULT, vdset->shared->layout.storage.u.virt.source_fapl, dxpl_id)))
- H5E_clear_stack(NULL); /* Quick hack until proper support for H5Fopen with missing file is implemented */
- else
- src_file_open = TRUE;
+ if(vds_prefix && HDstrlen(vds_prefix) > 0) {
+ if(H5D__virtual_build_name(vds_prefix, source_dset->file_name, &full_name/*out*/) < 0)
+ HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't prepend prefix to filename")
+ /* Open the source file */
+ if(NULL == (src_file = H5F_open(full_name, H5F_INTENT(vdset->oloc.file) & (H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE | H5F_ACC_SWMR_READ), H5P_FILE_CREATE_DEFAULT, vdset->shared->layout.storage.u.virt.source_fapl, dxpl_id)))
+ H5E_clear_stack(NULL); /* Quick hack until proper support for H5Fopen with missing file is implemented */
+ else
+ src_file_open = TRUE;
+ full_name = (char *)H5MM_xfree(full_name);
+ }
+ else {
+ /* Open the source file */
+ if(NULL == (src_file = H5F_open(source_dset->file_name, H5F_INTENT(vdset->oloc.file) & (H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE | H5F_ACC_SWMR_READ), H5P_FILE_CREATE_DEFAULT, vdset->shared->layout.storage.u.virt.source_fapl, dxpl_id)))
+ H5E_clear_stack(NULL); /* Quick hack until proper support for H5Fopen with missing file is implemented */
+ else
+ src_file_open = TRUE;
+ }
} /* end if */
else
/* Source file is ".", use the virtual dataset's file */
@@ -1407,7 +1454,7 @@ H5D__virtual_set_extent_unlim(const H5D_t *dset, hid_t dxpl_id)
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "failed to clip unlimited selection")
} /* end if */
- /* Update cached values unlim_extent_source and
+ /* Update cached values unlim_extent_source and
* clip_size_virtual */
storage->list[i].unlim_extent_source = curr_dims[storage->list[i].unlim_dim_source];
storage->list[i].clip_size_virtual = clip_size;
@@ -1559,7 +1606,7 @@ H5D__virtual_set_extent_unlim(const H5D_t *dset, hid_t dxpl_id)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to modify size of data space")
/* Mark the space as dirty, for later writing to the file */
- if(H5F_INTENT(dset->oloc.file) & H5F_ACC_RDWR)
+ if(H5F_INTENT(dset->oloc.file) & H5F_ACC_RDWR)
if(H5D__mark(dset, dxpl_id, H5D_MARK_SPACE) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "unable to mark dataspace as dirty")
} /* end if */
@@ -2246,7 +2293,7 @@ H5D__virtual_pre_io(H5D_io_info_t *io_info,
HGOTO_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "can't close projected memory space")
storage->list[i].sub_dset[j].projected_mem_space = NULL;
} /* end if */
- else
+ else
*tot_nelmts += (hsize_t)select_nelmts;
} /* end if */
} /* end for */
@@ -2506,7 +2553,7 @@ H5D__virtual_read(H5D_io_info_t *io_info, const H5D_type_info_t *type_info,
HGOTO_ERROR(H5E_DATASET, H5E_CANTCLIP, FAIL, "unable to clip fill selection")
/* Write fill values to memory buffer */
- if(H5D__fill(io_info->dset->shared->dcpl_cache.fill.buf, io_info->dset->shared->type, io_info->u.rbuf,
+ if(H5D__fill(io_info->dset->shared->dcpl_cache.fill.buf, io_info->dset->shared->type, io_info->u.rbuf,
type_info->mem_type, fill_space, io_info->md_dxpl_id) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "filling buf failed")
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index 18d0460..262e63b 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -489,6 +489,7 @@ typedef struct H5F_t H5F_t;
#define H5F_ACS_METADATA_READ_ATTEMPTS_NAME "metadata_read_attempts" /* # of metadata read attempts */
#define H5F_ACS_OBJECT_FLUSH_CB_NAME "object_flush_cb" /* Object flush callback */
#define H5F_ACS_EFC_SIZE_NAME "efc_size" /* Size of external file cache */
+#define H5F_ACS_VDS_SIZE_NAME "vds_size" /* Size of vds file cache */
#define H5F_ACS_FILE_IMAGE_INFO_NAME "file_image_info" /* struct containing initial file image and callback info */
#define H5F_ACS_CLEAR_STATUS_FLAGS_NAME "clear_status_flags" /* Whether to clear superblock status_flags (private property only used by h5clear) */
#define H5F_ACS_USE_MDC_LOGGING_NAME "use_mdc_logging" /* Whether to use metadata cache logging */
diff --git a/src/H5Pdapl.c b/src/H5Pdapl.c
index 494de3e..da06297 100644
--- a/src/H5Pdapl.c
+++ b/src/H5Pdapl.c
@@ -71,6 +71,17 @@
#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
+/* Definitions for VDS file prefix */
+#define H5D_ACS_VDS_PREFIX_SIZE sizeof(char *)
+#define H5D_ACS_VDS_PREFIX_DEF NULL /*default is no prefix */
+#define H5D_ACS_VDS_PREFIX_SET H5P__dapl_vds_file_pref_set
+#define H5D_ACS_VDS_PREFIX_GET H5P__dapl_vds_file_pref_get
+#define H5D_ACS_VDS_PREFIX_ENC H5P__dapl_vds_file_pref_enc
+#define H5D_ACS_VDS_PREFIX_DEC H5P__dapl_vds_file_pref_dec
+#define H5D_ACS_VDS_PREFIX_DEL H5P__dapl_vds_file_pref_del
+#define H5D_ACS_VDS_PREFIX_COPY H5P__dapl_vds_file_pref_copy
+#define H5D_ACS_VDS_PREFIX_CMP H5P__dapl_vds_file_pref_cmp
+#define H5D_ACS_VDS_PREFIX_CLOSE H5P__dapl_vds_file_pref_close
/* Definition for append flush */
#define H5D_ACS_APPEND_FLUSH_SIZE sizeof(H5D_append_flush_t)
#define H5D_ACS_APPEND_FLUSH_DEF {0,{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},NULL,NULL}
@@ -112,6 +123,14 @@ 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);
+static herr_t H5P__dapl_vds_file_pref_set(hid_t prop_id, const char* name, size_t size, void* value);
+static herr_t H5P__dapl_vds_file_pref_get(hid_t prop_id, const char* name, size_t size, void* value);
+static herr_t H5P__dapl_vds_file_pref_enc(const void *value, void **_pp, size_t *size);
+static herr_t H5P__dapl_vds_file_pref_dec(const void **_pp, void *value);
+static herr_t H5P__dapl_vds_file_pref_del(hid_t prop_id, const char* name, size_t size, void* value);
+static herr_t H5P__dapl_vds_file_pref_copy(const char* name, size_t size, void* value);
+static int H5P__dapl_vds_file_pref_cmp(const void *value1, const void *value2, size_t size);
+static herr_t H5P__dapl_vds_file_pref_close(const char* name, size_t size, void* value);
/* Property list callbacks */
static herr_t H5P__dapl_efile_pref_set(hid_t prop_id, const char* name, size_t size, void* value);
@@ -160,6 +179,7 @@ const H5P_libclass_t H5P_CLS_DACC[1] = {{
/* Property value defaults */
static const H5D_append_flush_t H5D_def_append_flush_g = H5D_ACS_APPEND_FLUSH_DEF; /* Default setting for append flush */
static const char *H5D_def_efile_prefix_g = H5D_ACS_EFILE_PREFIX_DEF; /* Default external file prefix string */
+static const char *H5D_def_vds_prefix_g = H5D_ACS_VDS_PREFIX_DEF; /* Default vds prefix string */
/*-------------------------------------------------------------------------
@@ -210,6 +230,12 @@ H5P__dacc_reg_prop(H5P_genclass_t *pclass)
NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+ /* Register property for vds prefix */
+ if(H5P_register_real(pclass, H5D_ACS_VDS_PREFIX_NAME, H5D_ACS_VDS_PREFIX_SIZE, &H5D_def_vds_prefix_g,
+ NULL, H5D_ACS_VDS_PREFIX_SET, H5D_ACS_VDS_PREFIX_GET, H5D_ACS_VDS_PREFIX_ENC, H5D_ACS_VDS_PREFIX_DEC,
+ H5D_ACS_VDS_PREFIX_DEL, H5D_ACS_VDS_PREFIX_COPY, H5D_ACS_VDS_PREFIX_CMP, H5D_ACS_VDS_PREFIX_CLOSE) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+
/* Register info for append flush */
/* (Note: this property should not have an encode/decode callback -QAK) */
if(H5P_register_real(pclass, H5D_ACS_APPEND_FLUSH_NAME, H5D_ACS_APPEND_FLUSH_SIZE, &H5D_def_append_flush_g,
@@ -226,6 +252,254 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__dacc_reg_prop() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_set
+ *
+ * Purpose: Copies a vds file prefix property when it's set
+ * for a property list
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_set(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
+ size_t H5_ATTR_UNUSED size, void *value)
+{
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Sanity check */
+ HDassert(value);
+
+ /* Copy the prefix */
+ *(char **)value = H5MM_xstrdup(*(const char **)value);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_set() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_get
+ *
+ * Purpose: Copies a vds file prefix property when it's retrieved
+ * from a property list
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_get(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
+ size_t H5_ATTR_UNUSED size, void *value)
+{
+ FUNC_ENTER_STATIC_NOERR
+
+ /* Sanity check */
+ HDassert(value);
+
+ /* Copy the prefix */
+ *(char **)value = H5MM_xstrdup(*(const char **)value);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_get() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_enc
+ *
+ * Purpose: Callback routine which is called whenever the vds file flags
+ * property in the dataset access property list is
+ * encoded.
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_enc(const void *value, void **_pp, size_t *size)
+{
+ const char *vds_file_pref = *(const char * const *)value;
+ uint8_t **pp = (uint8_t **)_pp;
+ size_t len = 0;
+ uint64_t enc_value;
+ unsigned enc_size;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ HDcompile_assert(sizeof(size_t) <= sizeof(uint64_t));
+
+ /* calculate prefix length */
+ if(NULL != vds_file_pref)
+ len = HDstrlen(vds_file_pref);
+
+ enc_value = (uint64_t)len;
+ enc_size = H5VM_limit_enc_size(enc_value);
+ HDassert(enc_size < 256);
+
+ if(NULL != *pp) {
+ /* encode the length of the prefix */
+ *(*pp)++ = (uint8_t)enc_size;
+ UINT64ENCODE_VAR(*pp, enc_value, enc_size);
+
+ /* encode the prefix */
+ if(NULL != vds_file_pref) {
+ HDmemcpy(*(char **)pp, vds_file_pref, len);
+ *pp += len;
+ } /* end if */
+ } /* end if */
+
+ *size += (1 + enc_size);
+ if(NULL != vds_file_pref)
+ *size += len;
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_enc() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_dec
+ *
+ * Purpose: Callback routine which is called whenever the vds file prefix
+ * property in the dataset access property list is
+ * decoded.
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_dec(const void **_pp, void *_value)
+{
+ char **vds_file_pref = (char **)_value;
+ const uint8_t **pp = (const uint8_t **)_pp;
+ size_t len;
+ uint64_t enc_value; /* Decoded property value */
+ unsigned enc_size; /* Size of encoded property */
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+ HDassert(pp);
+ HDassert(*pp);
+ HDassert(vds_file_pref);
+ HDcompile_assert(sizeof(size_t) <= sizeof(uint64_t));
+
+ /* Decode the size */
+ enc_size = *(*pp)++;
+ HDassert(enc_size < 256);
+
+ /* Decode the value */
+ UINT64DECODE_VAR(*pp, enc_value, enc_size);
+ len = (size_t)enc_value;
+
+ if(0 != len) {
+ /* Make a copy of the user's prefix string */
+ if(NULL == (*vds_file_pref = (char *)H5MM_malloc(len + 1)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "memory allocation failed for prefix")
+ HDstrncpy(*vds_file_pref, *(const char **)pp, len);
+ (*vds_file_pref)[len] = '\0';
+
+ *pp += len;
+ } /* end if */
+ else
+ *vds_file_pref = NULL;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5P__dapl_vds_file_pref_dec() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_del
+ *
+ * Purpose: Frees memory used to store the vds file prefix string
+ *
+ * Return: SUCCEED (Can't fail)
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_del(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
+ size_t H5_ATTR_UNUSED size, void *value)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ HDassert(value);
+
+ H5MM_xfree(*(void **)value);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_del() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_copy
+ *
+ * Purpose: Creates a copy of the vds file prefix string
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_copy(const char H5_ATTR_UNUSED *name, size_t H5_ATTR_UNUSED size, void *value)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ HDassert(value);
+
+ *(char **)value = H5MM_xstrdup(*(const char **)value);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_copy() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_cmp
+ *
+ * Purpose: Callback routine which is called whenever the vds file prefix
+ * property in the dataset creation property list is
+ * compared.
+ *
+ * Return: zero if VALUE1 and VALUE2 are equal, non zero otherwise.
+ *-------------------------------------------------------------------------
+ */
+static int
+H5P__dapl_vds_file_pref_cmp(const void *value1, const void *value2, size_t H5_ATTR_UNUSED size)
+{
+ const char *pref1 = *(const char * const *)value1;
+ const char *pref2 = *(const char * const *)value2;
+ int ret_value = 0;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ if(NULL == pref1 && NULL != pref2)
+ HGOTO_DONE(1);
+ if(NULL != pref1 && NULL == pref2)
+ HGOTO_DONE(-1);
+ if(NULL != pref1 && NULL != pref2)
+ ret_value = HDstrcmp(pref1, pref2);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5P__dapl_vds_file_pref_cmp() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5P__dapl_vds_file_pref_close
+ *
+ * Purpose: Frees memory used to store the vds file prefix string
+ *
+ * Return: SUCCEED/FAIL
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5P__dapl_vds_file_pref_close(const char H5_ATTR_UNUSED *name, size_t H5_ATTR_UNUSED size, void *value)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+ HDassert(value);
+
+ H5MM_xfree(*(void **)value);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5P__dapl_vds_file_pref_close() */
+
/*-------------------------------------------------------------------------
* Function: H5P__dapl_efile_pref_set
@@ -1220,3 +1494,95 @@ done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_efile_prefix() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pset_virtual_prefix
+ *
+ * Purpose: Set a prefix to be applied to the path of any vds files
+ * traversed.
+ *
+ * If the prefix starts with ${ORIGIN}, this will be replaced by
+ * the absolute path of the directory of the HDF5 file containing
+ * the dataset.
+ *
+ * If the prefix is ".", no prefix will be applied.
+ *
+ * This property can be overwritten by the environment variable
+ * HDF5_VDS_PREFIX.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pset_virtual_prefix(hid_t plist_id, const char *prefix)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "i*s", plist_id, prefix);
+
+ /* 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")
+
+ /* Set prefix */
+ if(H5P_set(plist, H5D_ACS_VDS_PREFIX_NAME, &prefix) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set prefix info")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Pset_virtual_prefix() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pget_virtual_prefix
+ *
+ * Purpose: Gets the prefix to be applied to any vds file
+ * traversals made using this property list.
+ *
+ * If the pointer is not NULL, it points to a user-allocated
+ * buffer.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *-------------------------------------------------------------------------
+ */
+ssize_t
+H5Pget_virtual_prefix(hid_t plist_id, char *prefix, size_t size)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ char *my_prefix; /* Library's copy of the prefix */
+ size_t len; /* Length of prefix string */
+ ssize_t ret_value; /* Return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE3("Zs", "i*sz", plist_id, prefix, 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 the current prefix */
+ if(H5P_peek(plist, H5D_ACS_VDS_PREFIX_NAME, &my_prefix) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vds file prefix")
+
+ /* Check for prefix being set */
+ if(my_prefix) {
+ /* Copy to user's buffer, if given */
+ len = HDstrlen(my_prefix);
+ if(prefix) {
+ HDstrncpy(prefix, my_prefix, MIN(len + 1, size));
+ if(len >= size)
+ prefix[size - 1] = '\0';
+ } /* end if */
+ } /* end if */
+ else
+ len = 0;
+
+ /* Set return value */
+ ret_value = (ssize_t)len;
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Pget_virtual_prefix() */
+
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c
index 915aa38..8650a03 100644
--- a/src/H5Pfapl.c
+++ b/src/H5Pfapl.c
@@ -2462,6 +2462,75 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5Pset_vds_file_cache_size
+ *
+ * Purpose: Sets the number of files opened through vds links
+ * from the file associated with this fapl to be held open
+ * in that file's vds file cache. When the maximum
+ * number of files is reached, the least recently used file
+ * is closed (unless it is opened from somewhere else).
+ *
+ * Return: Non-negative on success/Negative on failure
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pset_vds_file_cache_size(hid_t plist_id, unsigned vds_size)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "iIu", plist_id, vds_size);
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Set value */
+ if(H5P_set(plist, H5F_ACS_VDS_SIZE_NAME, &vds_size) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set elink file cache size")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Pset_vds_file_cache_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pget_vds_file_cache_size
+ *
+ * Purpose: Gets the number of files opened through vds links
+ * from the file associated with this fapl to be held open
+ * in that file's vds file cache. When the maximum
+ * number of files is reached, the least recently used file
+ * is closed (unless it is opened from somewhere else).
+ *
+ * Return: Non-negative on success/Negative on failure
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pget_vds_file_cache_size(hid_t plist_id, unsigned *vds_size)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "i*Iu", plist_id, vds_size);
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Get value */
+ if(vds_size)
+ if(H5P_get(plist, H5F_ACS_VDS_SIZE_NAME, vds_size) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get elink file cache size")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Pget_vds_file_cache_size() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5Pset_file_image
*
* Purpose: Sets the initial file image. Some file drivers can initialize
diff --git a/src/H5Ppublic.h b/src/H5Ppublic.h
index 493a322..38be320 100644
--- a/src/H5Ppublic.h
+++ b/src/H5Ppublic.h
@@ -343,6 +343,8 @@ H5_DLL herr_t H5Pget_libver_bounds(hid_t plist_id, H5F_libver_t *low,
H5F_libver_t *high);
H5_DLL herr_t H5Pset_elink_file_cache_size(hid_t plist_id, unsigned efc_size);
H5_DLL herr_t H5Pget_elink_file_cache_size(hid_t plist_id, unsigned *efc_size);
+H5_DLL herr_t H5Pset_vds_file_cache_size(hid_t plist_id, unsigned vds_size);
+H5_DLL herr_t H5Pget_vds_file_cache_size(hid_t plist_id, unsigned *vds_size);
H5_DLL herr_t H5Pset_file_image(hid_t fapl_id, void *buf_ptr, size_t buf_len);
H5_DLL herr_t H5Pget_file_image(hid_t fapl_id, void **buf_ptr_ptr, size_t *buf_len_ptr);
H5_DLL herr_t H5Pset_file_image_callbacks(hid_t fapl_id,
@@ -420,6 +422,8 @@ H5_DLL herr_t H5Pset_virtual_view(hid_t plist_id, H5D_vds_view_t view);
H5_DLL herr_t H5Pget_virtual_view(hid_t plist_id, H5D_vds_view_t *view);
H5_DLL herr_t H5Pset_virtual_printf_gap(hid_t plist_id, hsize_t gap_size);
H5_DLL herr_t H5Pget_virtual_printf_gap(hid_t plist_id, hsize_t *gap_size);
+H5_DLL herr_t H5Pset_virtual_prefix(hid_t dapl_id, const char* prefix);
+H5_DLL ssize_t H5Pget_virtual_prefix(hid_t dapl_id, char* prefix /*out*/, size_t size);
H5_DLL herr_t H5Pset_append_flush(hid_t plist_id, unsigned ndims,
const hsize_t boundary[], H5D_append_cb_t func, void *udata);
H5_DLL herr_t H5Pget_append_flush(hid_t plist_id, unsigned dims,