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authorDana Robinson <derobins@hdfgroup.org>2018-12-20 03:19:05 (GMT)
committerDana Robinson <derobins@hdfgroup.org>2018-12-20 03:19:05 (GMT)
commitaad96a8c736dfbb49b2b27ebdaf3a5c8a5d72942 (patch)
tree1ebedc38ec2768fa393cb71e238fcafd66219845 /src/H5VLnative_datatype.c
parent9cfe7fd18d01d6fc84ac2e8902c955452b64259d (diff)
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Moved the remainder of the code into separate files.
Diffstat (limited to 'src/H5VLnative_datatype.c')
-rw-r--r--src/H5VLnative_datatype.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/src/H5VLnative_datatype.c b/src/H5VLnative_datatype.c
index 636b48b..a81edb4 100644
--- a/src/H5VLnative_datatype.c
+++ b/src/H5VLnative_datatype.c
@@ -10,4 +10,256 @@
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/*
+ * Purpose: Datatype callbacks for the native VOL connector
+ *
+ */
+
+#define H5T_FRIEND /* Suppress error about including H5Tpkg */
+
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Gprivate.h" /* Groups */
+#include "H5Iprivate.h" /* IDs */
+#include "H5Oprivate.h" /* Object headers */
+#include "H5Pprivate.h" /* Property lists */
+#include "H5Tpkg.h" /* Datatypes */
+#include "H5VLprivate.h" /* Virtual Object Layer */
+
+#include "H5VLnative.h" /* Native VOL connector */
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_datatype_commit
+ *
+ * Purpose: Handles the datatype commit callback
+ *
+ * Return: Success: datatype pointer
+ * Failure: NULL
+ *
+ *-------------------------------------------------------------------------
+ */
+void *
+H5VL__native_datatype_commit(void *obj, const H5VL_loc_params_t *loc_params, const char *name,
+ hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t H5_ATTR_UNUSED tapl_id,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
+{
+ H5G_loc_t loc; /* Location to commit datatype */
+ H5T_t *dt; /* Datatype for ID */
+ H5T_t *type = NULL; /* copy of the original type which will be committed */
+ void *ret_value = NULL; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ /* check arguments */
+ if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object")
+
+ if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype")
+
+ /* Check arguments. We cannot commit an immutable type because H5Tclose()
+ * normally fails on such types (try H5Tclose(H5T_NATIVE_INT)) but closing
+ * a named type should always succeed.
+ */
+ if(H5T_STATE_NAMED == dt->shared->state || H5T_STATE_OPEN == dt->shared->state)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is already committed")
+ if(H5T_STATE_IMMUTABLE == dt->shared->state)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is immutable")
+
+ /* Check for a "sensible" datatype to store on disk */
+ if(H5T_is_sensible(dt) <= 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "datatype is not sensible")
+
+ /* Copy the datatype - the copied one will be the type that is
+ * committed, and attached to original datatype above the VOL
+ * layer
+ */
+ if(NULL == (type = H5T_copy(dt, H5T_COPY_TRANSIENT)))
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to copy");
+
+ /* Commit the datatype */
+ if(NULL != name) {
+ /* H5Tcommit */
+ if(H5T__commit_named(&loc, name, type, lcpl_id, tcpl_id) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype")
+ } /* end if */
+ else {
+ /* H5Tcommit_anon */
+ if(H5T__commit_anon(loc.oloc->file, type, tcpl_id) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype")
+ } /* end else */
+
+ ret_value = (void *)type;
+
+done:
+ if(NULL == ret_value && type)
+ H5T_close(type);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_datatype_commit() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_datatype_open
+ *
+ * Purpose: Handles the datatype open callback
+ *
+ * Return: Success: datatype pointer
+ * Failure: NULL
+ *
+ *-------------------------------------------------------------------------
+ */
+void *
+H5VL__native_datatype_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name,
+ hid_t H5_ATTR_UNUSED tapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
+{
+ H5T_t *type = NULL; /* Datatype opened in file */
+ H5G_loc_t loc; /* Group location of object to open */
+ void *ret_value = NULL;
+
+ FUNC_ENTER_PACKAGE
+
+ if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object")
+
+ /* Open the datatype */
+ if(NULL == (type = H5T__open_name(&loc, name)))
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, NULL, "unable to open named datatype")
+
+ type->vol_obj = NULL;
+
+ ret_value = (void *)type;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_datatype_open() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_datatype_get
+ *
+ * Purpose: Handles the datatype get callback
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_datatype_get(void *obj, H5VL_datatype_get_t get_type,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+ H5T_t *dt = (H5T_t *)obj;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ switch (get_type) {
+ case H5VL_DATATYPE_GET_BINARY:
+ {
+ ssize_t *nalloc = HDva_arg(arguments, ssize_t *);
+ void *buf = HDva_arg(arguments, void *);
+ size_t size = HDva_arg(arguments, size_t);
+
+ if(H5T_encode(dt, (unsigned char *)buf, &size) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't determine serialized length of datatype")
+
+ *nalloc = (ssize_t) size;
+ break;
+ }
+
+ /* H5Tget_create_plist */
+ case H5VL_DATATYPE_GET_TCPL:
+ {
+ hid_t *ret_id = HDva_arg(arguments, hid_t *);
+
+ if(H5I_INVALID_HID == (*ret_id = H5T__get_create_plist(dt)))
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "can't get object creation info");
+
+ break;
+ }
+
+ default:
+ HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from datatype")
+ } /* end switch */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_datatype_get() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_datatype_specific
+ *
+ * Purpose: Handles the datatype specific callback
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_datatype_specific(void *obj, H5VL_datatype_specific_t specific_type,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+ H5T_t *dt = (H5T_t *)obj;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ switch(specific_type) {
+ case H5VL_DATATYPE_FLUSH:
+ {
+ hid_t type_id = HDva_arg(arguments, hid_t);
+
+ /* To flush metadata and invoke flush callback if there is */
+ if(H5O_flush_common(&dt->oloc, type_id) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTFLUSH, FAIL, "unable to flush datatype")
+
+ break;
+ }
+
+ case H5VL_DATATYPE_REFRESH:
+ {
+ hid_t type_id = HDva_arg(arguments, hid_t);
+
+ /* Call private function to refresh datatype object */
+ if((H5O_refresh_metadata(type_id, dt->oloc)) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "unable to refresh datatype")
+
+ break;
+ }
+
+ default:
+ HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation")
+ } /* end switch */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_datatype_specific() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_datatype_close
+ *
+ * Purpose: Handles the datatype close callback
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL (datatype will not be closed)
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_datatype_close(void *dt, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ if(H5T_close((H5T_t*)dt) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTDEC, FAIL, "can't close datatype")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_datatype_close() */