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authorQuincey Koziol <koziol@hdfgroup.org>2006-09-26 15:00:24 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2006-09-26 15:00:24 (GMT)
commit2d009f860c9895be5b8976f19cf36ef2293db018 (patch)
treeeda06f25d914d648ab1ea3b07ca5598046e99759
parentc77e39522b4ed0ac4a811dddeafbd7426014b27d (diff)
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[svn-r12681] Description:
Encode/decode object references in portable way. Tested on: Solaris/64 2.9 (shanti)
-rw-r--r--src/H5O.c358
1 files changed, 180 insertions, 178 deletions
diff --git a/src/H5O.c b/src/H5O.c
index c87cd40..c4b498df 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -5050,6 +5050,186 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5O_copy_obj_by_ref
+ *
+ * Purpose: Copy the object pointed by _src_ref.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Peter Cao
+ * Aug 7 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_copy_obj_by_ref(H5O_loc_t *src_oloc, hid_t dxpl_id, H5O_loc_t *dst_oloc,
+ H5G_loc_t *dst_root_loc, H5O_copy_t *cpy_info)
+{
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5O_copy_obj_by_ref, FAIL)
+
+ HDassert(src_oloc);
+ HDassert(dst_oloc);
+
+ /* Perform the copy, or look up existing copy */
+ if((ret_value = H5O_copy_header_map(src_oloc, dst_oloc, dxpl_id, cpy_info, FALSE)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
+
+ /* Check if a new valid object is copied to the destination */
+ if(H5F_addr_defined(dst_oloc->addr) && (ret_value > SUCCEED)) {
+ char tmp_obj_name[80];
+ H5G_name_t new_path;
+ H5O_loc_t new_oloc;
+ H5G_loc_t new_loc;
+
+ /* Set up group location for new object */
+ new_loc.oloc = &new_oloc;
+ new_loc.path = &new_path;
+ H5G_loc_reset(&new_loc);
+ new_oloc.file = dst_oloc->file;
+ new_oloc.addr = dst_oloc->addr;
+
+ /* Pick a default name for the new object */
+ sprintf(tmp_obj_name, "~obj_pointed_by_%llu", (unsigned long_long)dst_oloc->addr);
+
+ /* Create a link to the newly copied object */
+ if(H5L_link(dst_root_loc, tmp_obj_name, &new_loc, H5P_DEFAULT, H5P_DEFAULT, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to insert link")
+
+ H5G_loc_free(&new_loc);
+ } /* if (H5F_addr_defined(dst_oloc.addr)) */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_copy_obj_by_ref() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_copy_expand_ref
+ *
+ * Purpose: Copy the object pointed by _src_ref.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Peter Cao
+ * Aug 7 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5O_copy_expand_ref(H5F_t *file_src, void *_src_ref, hid_t dxpl_id,
+ H5F_t *file_dst, void *_dst_ref, size_t ref_count, H5R_type_t ref_type,
+ H5O_copy_t *cpy_info)
+{
+ H5O_loc_t dst_oloc; /* Copied object object location */
+ H5O_loc_t src_oloc; /* Temporary object location for source object */
+ H5G_loc_t dst_root_loc; /* The location of root group of the destination file */
+ uint8_t *p; /* Pointer to OID to store */
+ size_t i; /* Local index variable */
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5O_copy_expand_ref, FAIL)
+
+ /* Sanity checks */
+ HDassert(file_src);
+ HDassert(_src_ref);
+ HDassert(file_dst);
+ HDassert(_dst_ref);
+ HDassert(ref_count);
+ HDassert(cpy_info);
+
+ /* Initialize object locations */
+ H5O_loc_reset(&src_oloc);
+ H5O_loc_reset(&dst_oloc);
+ src_oloc.file = file_src;
+ dst_oloc.file = file_dst;
+
+ /* Set up the root group in the destination file */
+ if(NULL == (dst_root_loc.oloc = H5G_oloc(H5G_rootof(file_dst))))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location for root group")
+ if(NULL == (dst_root_loc.path = H5G_nameof(H5G_rootof(file_dst))))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path for root group")
+
+ /* Copy object references */
+ if(H5R_OBJECT == ref_type) {
+ hobj_ref_t *src_ref = (hobj_ref_t *)_src_ref;
+ hobj_ref_t *dst_ref = (hobj_ref_t *)_dst_ref;
+
+ /* Making equivalent references in the destination file */
+ for(i = 0; i < ref_count; i++) {
+ /* Set up for the object copy for the reference */
+ p = (uint8_t *)(&src_ref[i]);
+ H5F_addr_decode(src_oloc.file, (const uint8_t **)&p, &(src_oloc.addr));
+ dst_oloc.addr = HADDR_UNDEF;
+
+ /* Attempt to copy object from source to destination file */
+ if(H5O_copy_obj_by_ref(&src_oloc, dxpl_id, &dst_oloc, &dst_root_loc, cpy_info) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
+
+ /* Set the object reference info for the destination file */
+ p = (uint8_t *)(&dst_ref[i]);
+ H5F_addr_encode(dst_oloc.file, &p, dst_oloc.addr);
+ } /* end for */
+ } /* end if */
+ /* Copy region references */
+ else if(H5R_DATASET_REGION == ref_type) {
+ hdset_reg_ref_t *src_ref = (hdset_reg_ref_t *)_src_ref;
+ hdset_reg_ref_t *dst_ref = (hdset_reg_ref_t *)_dst_ref;
+ uint8_t *buf; /* Buffer to store serialized selection in */
+ H5HG_t hobjid; /* Heap object ID */
+ size_t buf_size; /* Length of object in heap */
+
+ /* Making equivalent references in the destination file */
+ for(i = 0; i < ref_count; i++) {
+ /* Get the heap ID for the dataset region */
+ p = (uint8_t *)(&src_ref[i]);
+ H5F_addr_decode(src_oloc.file, (const uint8_t **)&p, &(hobjid.addr));
+ INT32DECODE(p, hobjid.idx);
+
+ /* Get the dataset region from the heap (allocate inside routine) */
+ if((buf = H5HG_read(src_oloc.file, dxpl_id, &hobjid, NULL, &buf_size)) == NULL)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_READERROR, FAIL, "Unable to read dataset region information")
+
+ /* Get the object oid for the dataset */
+ p = (uint8_t *)buf;
+ H5F_addr_decode(src_oloc.file, (const uint8_t **)&p, &(src_oloc.addr));
+ dst_oloc.addr = HADDR_UNDEF;
+
+ /* copy the object pointed by the ref to the destination */
+ if(H5O_copy_obj_by_ref(&src_oloc, dxpl_id, &dst_oloc, &dst_root_loc, cpy_info) < 0) {
+ H5MM_xfree(buf);
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
+ } /* end if */
+
+ /* Serialize object ID */
+ p = (uint8_t *)buf;
+ H5F_addr_encode(dst_oloc.file, &p, dst_oloc.addr);
+
+ /* Save the serialized buffer to the destination */
+ if(H5HG_insert(dst_oloc.file, dxpl_id, buf_size, buf, &hobjid) < 0) {
+ H5MM_xfree(buf);
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "Unable to write dataset region information")
+ } /* end if */
+
+ /* Set the dataset region reference info for the destination file */
+ p = (uint8_t *)(&dst_ref[i]);
+ H5F_addr_encode(dst_oloc.file, &p, hobjid.addr);
+ INT32ENCODE(p, hobjid.idx);
+
+ /* Free the buffer allocated in H5HG_read() */
+ H5MM_xfree(buf);
+ } /* end for */
+ } /* end if */
+ else
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_copy_expand_ref() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5O_debug_id
*
* Purpose: Act as a proxy for calling the 'debug' method for a
@@ -5267,184 +5447,6 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5O_copy_obj_by_ref
- *
- * Purpose: Copy the object pointed by _src_ref.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Peter Cao
- * Aug 7 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5O_copy_obj_by_ref(H5O_loc_t *src_oloc, hid_t dxpl_id, H5O_loc_t *dst_oloc,
- H5G_loc_t *dst_root_loc, H5O_copy_t *cpy_info)
-{
- herr_t ret_value = SUCCEED;
-
- FUNC_ENTER_NOAPI(H5O_copy_obj_by_ref, FAIL)
-
- HDassert(src_oloc);
- HDassert(dst_oloc);
-
- /* Perform the copy, or look up existing copy */
- if((ret_value = H5O_copy_header_map(src_oloc, dst_oloc, dxpl_id, cpy_info, FALSE)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
-
- /* Check if a new valid object is copied to the destination */
- if(H5F_addr_defined(dst_oloc->addr) && (ret_value > SUCCEED)) {
- char tmp_obj_name[80];
- H5G_name_t new_path;
- H5O_loc_t new_oloc;
- H5G_loc_t new_loc;
-
- /* Set up group location for new object */
- new_loc.oloc = &new_oloc;
- new_loc.path = &new_path;
- H5G_loc_reset(&new_loc);
- new_oloc.file = dst_oloc->file;
- new_oloc.addr = dst_oloc->addr;
-
- /* Pick a default name for the new object */
- sprintf(tmp_obj_name, "~obj_pointed_by_%llu", (unsigned long_long)dst_oloc->addr);
-
- /* Create a link to the newly copied object */
- if(H5L_link(dst_root_loc, tmp_obj_name, &new_loc, H5P_DEFAULT, H5P_DEFAULT, dxpl_id) < 0)
- HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to insert link")
-
- H5G_loc_free(&new_loc);
- } /* if (H5F_addr_defined(dst_oloc.addr)) */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_copy_obj_by_ref() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_copy_expand_ref
- *
- * Purpose: Copy the object pointed by _src_ref.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Peter Cao
- * Aug 7 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5O_copy_expand_ref(H5F_t *file_src, void *_src_ref, hid_t dxpl_id,
- H5F_t *file_dst, void *_dst_ref, size_t ref_count, H5R_type_t ref_type,
- H5O_copy_t *cpy_info)
-{
- H5O_loc_t dst_oloc; /* Copied object object location */
- H5O_loc_t src_oloc; /* Temporary object location for source object */
- H5G_loc_t dst_root_loc; /* The location of root group of the destination file */
- size_t i; /* Local index variable */
- herr_t ret_value = SUCCEED;
-
- FUNC_ENTER_NOAPI(H5O_copy_expand_ref, FAIL)
-
- /* Sanity checks */
- HDassert(file_src);
- HDassert(_src_ref);
- HDassert(file_dst);
- HDassert(_dst_ref);
- HDassert(ref_count);
- HDassert(cpy_info);
-
- /* Initialize object locations */
- H5O_loc_reset(&src_oloc);
- H5O_loc_reset(&dst_oloc);
- src_oloc.file = file_src;
- dst_oloc.file = file_dst;
-
- /* Set up the root group in the destination file */
- if(NULL == (dst_root_loc.oloc = H5G_oloc(H5G_rootof(file_dst))))
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location for root group")
- if(NULL == (dst_root_loc.path = H5G_nameof(H5G_rootof(file_dst))))
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path for root group")
-
- /* Copy object references */
- if(H5R_OBJECT == ref_type) {
- hobj_ref_t *src_ref = (hobj_ref_t *)_src_ref;
- hobj_ref_t *dst_ref = (hobj_ref_t *)_dst_ref;
-
- /* Making equivalent references in the destination file */
- for(i = 0; i < ref_count; i++) {
- /* Set up for the object copy for the reference */
- src_oloc.addr = src_ref[i];
- dst_oloc.addr = HADDR_UNDEF;
-
- /* Attempt to copy object from source to destination file */
- if(H5O_copy_obj_by_ref(&src_oloc, dxpl_id, &dst_oloc, &dst_root_loc, cpy_info) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
-
- /* Set the object reference info for the destination file */
- dst_ref[i] = dst_oloc.addr;
- } /* end for */
- } /* end if */
- /* Copy region references */
- else if(H5R_DATASET_REGION == ref_type) {
- hdset_reg_ref_t *src_ref = (hdset_reg_ref_t *)_src_ref;
- hdset_reg_ref_t *dst_ref = (hdset_reg_ref_t *)_dst_ref;
- uint8_t *buf; /* Buffer to store serialized selection in */
- uint8_t *p; /* Pointer to OID to store */
- H5HG_t hobjid; /* Heap object ID */
- size_t buf_size; /* Length of object in heap */
-
- /* Making equivalent references in the destination file */
- for(i = 0; i < ref_count; i++) {
- /* Get the heap ID for the dataset region */
- p = (uint8_t *)(&src_ref[i]);
- H5F_addr_decode(src_oloc.file, (const uint8_t **)&p, &(hobjid.addr));
- INT32DECODE(p, hobjid.idx);
-
- /* Get the dataset region from the heap (allocate inside routine) */
- if((buf = H5HG_read(src_oloc.file, dxpl_id, &hobjid, NULL, &buf_size)) == NULL)
- HGOTO_ERROR(H5E_REFERENCE, H5E_READERROR, FAIL, "Unable to read dataset region information")
-
- /* Get the object oid for the dataset */
- p = (uint8_t *)buf;
- H5F_addr_decode(src_oloc.file, (const uint8_t **)&p, &(src_oloc.addr));
- dst_oloc.addr = HADDR_UNDEF;
-
- /* copy the object pointed by the ref to the destination */
- if(H5O_copy_obj_by_ref(&src_oloc, dxpl_id, &dst_oloc, &dst_root_loc, cpy_info) < 0) {
- H5MM_xfree(buf);
- HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object")
- } /* end if */
-
- /* Serialize object ID */
- p = (uint8_t *)buf;
- H5F_addr_encode(dst_oloc.file, &p, dst_oloc.addr);
-
- /* Save the serialized buffer to the destination */
- if(H5HG_insert(dst_oloc.file, dxpl_id, buf_size, buf, &hobjid) < 0) {
- H5MM_xfree(buf);
- HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "Unable to write dataset region information")
- } /* end if */
-
- /* Set the dataset region reference info for the destination file */
- p = (uint8_t *)(&dst_ref[i]);
- H5F_addr_encode(dst_oloc.file, &p, hobjid.addr);
- INT32ENCODE(p, hobjid.idx);
-
- /* Free the buffer allocated in H5HG_read() */
- H5MM_xfree(buf);
- } /* end for */
- } /* end if */
- else
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type")
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_copy_expand_ref() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5O_debug
*
* Purpose: Prints debugging info about an object header.