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-rw-r--r--src/H5Oalloc.c139
-rw-r--r--src/H5Odbg.c17
-rw-r--r--test/ohdr.c101
-rw-r--r--test/tsohm.c4
4 files changed, 251 insertions, 10 deletions
diff --git a/src/H5Oalloc.c b/src/H5Oalloc.c
index 7c6cf9d..6d5d736 100644
--- a/src/H5Oalloc.c
+++ b/src/H5Oalloc.c
@@ -68,7 +68,8 @@ static htri_t H5O_alloc_extend_chunk(H5F_t *f, hid_t dxpl_id, H5O_t *oh,
unsigned chunkno, size_t size, unsigned * msg_idx);
static unsigned H5O_alloc_new_chunk(H5F_t *f, hid_t dxpl_id, H5O_t *oh,
size_t size);
-static htri_t H5O_move_msgs_forward(H5O_t *oh);
+static htri_t H5O_move_cont(H5F_t *f, H5O_t *oh, unsigned cont_u, hid_t dxpl_id);
+static htri_t H5O_move_msgs_forward(H5F_t *f, H5O_t *oh, hid_t dxpl_id);
static htri_t H5O_merge_null(H5F_t *f, H5O_t *oh, hid_t dxpl_id);
static htri_t H5O_remove_empty_chunks(H5F_t *f, H5O_t *oh, hid_t dxpl_id);
static herr_t H5O_alloc_shrink_chunk(H5F_t *f, H5O_t *oh, hid_t dxpl_id, unsigned chunkno);
@@ -1091,6 +1092,118 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5O_move_cont
+ *
+ * Purpose: Check and move message(s) forward into a continuation message
+ *
+ * Return: Success: non-negative (TRUE/FALSE)
+ * Failure: negative
+ *
+ * Programmer: Vailin Choi
+ * Feb. 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static htri_t
+H5O_move_cont(H5F_t *f, H5O_t *oh, unsigned cont_u, hid_t dxpl_id)
+{
+ unsigned v; /* local index variable */
+ H5O_mesg_t *cont_msg; /* pointer to the continuation message */
+ H5O_mesg_t *nonnull_msg; /* pointer to the current message to operate on */
+ H5O_mesg_t *null_msg; /* pointer to the current message to operate on */
+ size_t total_size=0; /* total size of nonnull messages in the chunk pointed to by cont message */
+ size_t move_size=0; /* size of the message to be moved */
+ uint8_t *move_start, *move_end; /* pointers to area of messages to move */
+ size_t gap_size; /* size of gap produced */
+ unsigned deleted_chunkno; /* Chunk # to delete */
+ htri_t ret_value = FALSE; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5O_move_cont)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(oh);
+
+ cont_msg = &oh->mesg[cont_u];
+ H5O_LOAD_NATIVE(f, dxpl_id, 0, oh, cont_msg, FAIL)
+ deleted_chunkno = ((H5O_cont_t *)(cont_msg->native))->chunkno;
+
+ /* proceed further only if continuation message is pointing to the last chunk */
+ if(deleted_chunkno != (oh->nchunks - 1))
+ HGOTO_DONE(FALSE)
+
+ /* find size of all nonnull messages in the chunk pointed to by the continuation message */
+ for(v = 0, nonnull_msg = &oh->mesg[0]; v < oh->nmesgs; v++, nonnull_msg++)
+ if(nonnull_msg->chunkno == deleted_chunkno && nonnull_msg->type->id != H5O_NULL_ID) {
+ HDassert(nonnull_msg->type->id != H5O_CONT_ID);
+ total_size += nonnull_msg->raw_size + H5O_SIZEOF_MSGHDR_OH(oh);
+ }
+
+ /* check if messages can fit into the continuation message */
+ if(total_size && total_size <= (cont_msg->raw_size + H5O_SIZEOF_MSGHDR_OH(oh))) {
+
+ /* convert continuation message into a null message */
+ if(H5O_release_mesg(f, dxpl_id, oh, cont_msg, TRUE) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "unable to convert into null message")
+
+ move_start = cont_msg->raw - H5O_SIZEOF_MSGHDR_OH(oh);
+ move_end = cont_msg->raw + cont_msg->raw_size;
+
+ /* move message(s) forward into continuation message */
+ for(v = 0, nonnull_msg = &oh->mesg[0]; v < oh->nmesgs; v++, nonnull_msg++)
+ if(nonnull_msg->chunkno == deleted_chunkno && nonnull_msg->type->id != H5O_NULL_ID) {
+ move_size = nonnull_msg->raw_size + H5O_SIZEOF_MSGHDR_OH(oh);
+ HDmemcpy(move_start, nonnull_msg->raw - H5O_SIZEOF_MSGHDR_OH(oh), move_size);
+ nonnull_msg->raw = move_start + H5O_SIZEOF_MSGHDR_OH(oh);
+ nonnull_msg->chunkno = cont_msg->chunkno;
+ nonnull_msg->dirty = TRUE;
+ move_start += move_size;
+ }
+
+ HDassert(move_start <= move_end);
+
+ /* check if there is space remaining in the continuation message */
+ /* the remaining space can be gap or a null message */
+ gap_size = move_end - move_start;
+ if(gap_size >= (size_t)H5O_SIZEOF_MSGHDR_OH(oh)) {
+ cont_msg->raw_size = gap_size - H5O_SIZEOF_MSGHDR_OH(oh);
+ cont_msg->raw = move_start + H5O_SIZEOF_MSGHDR_OH(oh);
+ cont_msg->dirty = TRUE;
+ } else {
+ if(gap_size && (H5O_add_gap(oh, cont_msg->chunkno, cont_u, move_start, gap_size) < 0))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTINSERT, FAIL, "can't insert gap in chunk")
+ /* Release any information/memory for continuation message */
+ H5O_msg_free_mesg(cont_msg);
+ if(cont_u < (oh->nmesgs - 1))
+ HDmemmove(&oh->mesg[cont_u], &oh->mesg[cont_u + 1], ((oh->nmesgs - 1) - cont_u) * sizeof(H5O_mesg_t));
+ oh->nmesgs--;
+ }
+
+ /* remove all null messages in deleted chunk from list of messages */
+ /* Note: unsigned v wrapping around at the end */
+ for (v = oh->nmesgs - 1, null_msg = &oh->mesg[v]; v < oh->nmesgs; v--, null_msg--)
+ if(null_msg->type->id == H5O_NULL_ID && null_msg->chunkno == deleted_chunkno) {
+
+ /* Release any information/memory for message */
+ H5O_msg_free_mesg(null_msg);
+
+ if(v < (oh->nmesgs - 1))
+ HDmemmove(&oh->mesg[v], &oh->mesg[v + 1], ((oh->nmesgs - 1) - v) * sizeof(H5O_mesg_t));
+ oh->nmesgs--;
+ } /* end if */
+
+ (void)H5FL_BLK_FREE(chunk_image, oh->chunk[deleted_chunkno].image);
+
+ oh->nchunks--;
+ ret_value = TRUE;
+ } /* end if */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5O_move_cont() */
+
+
+/*-------------------------------------------------------------------------
*
* Function: H5O_move_msgs_forward
*
@@ -1101,11 +1214,14 @@ done:
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
* Oct 17 2005
+ * Modifications:
+ * Feb. 2009: Vailin Choi
+ * Add changes to move messages forward into "continuation" message
*
*-------------------------------------------------------------------------
*/
static htri_t
-H5O_move_msgs_forward(H5O_t *oh)
+H5O_move_msgs_forward(H5F_t *f, H5O_t *oh, hid_t dxpl_id)
{
hbool_t packed_msg; /* Flag to indicate that messages were packed */
hbool_t did_packing = FALSE; /* Whether any messages were packed */
@@ -1182,7 +1298,17 @@ H5O_move_msgs_forward(H5O_t *oh)
} /* end if */
else {
H5O_mesg_t *null_msg; /* Pointer to current message to operate on */
- unsigned v; /* Local index variable */
+ unsigned v; /* Local index variable */
+ htri_t status;
+
+ if(H5O_CONT_ID == curr_msg->type->id) {
+ if((status = H5O_move_cont(f, oh, u, dxpl_id)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, FAIL, "Error in moving messages into cont message")
+ else if(status > 0) { /* message(s) got moved into "continuation" message */
+ packed_msg = TRUE;
+ break;
+ }
+ }
/* Loop over messages again, looking for large enough null message in earlier chunk */
for(v = 0, null_msg = &oh->mesg[0]; v < oh->nmesgs; v++, null_msg++) {
@@ -1583,6 +1709,11 @@ done:
* koziol@ncsa.uiuc.edu
* Oct 4 2005
*
+ * Modifications:
+ * Feb. 2009: Vailin Choi
+ * Add 2 more parameters to H5O_move_msgs_forward() for moving
+ * messages forward into "continuation" message
+ *
*-------------------------------------------------------------------------
*/
herr_t
@@ -1603,7 +1734,7 @@ H5O_condense_header(H5F_t *f, H5O_t *oh, hid_t dxpl_id)
rescan_header = FALSE;
/* Scan for messages that can be moved earlier in chunks */
- result = H5O_move_msgs_forward(oh);
+ result = H5O_move_msgs_forward(f, oh, dxpl_id);
if(result < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTPACK, FAIL, "can't move header messages forward")
if(result > 0)
diff --git a/src/H5Odbg.c b/src/H5Odbg.c
index 8a8b783..cd041e0 100644
--- a/src/H5Odbg.c
+++ b/src/H5Odbg.c
@@ -270,12 +270,16 @@ done:
* matzke@llnl.gov
* Aug 6 1997
*
+ * Modifications:
+ * Feb. 2009: Vailin Choi
+ * Fixed bug in the accumulation of chunk_total
+ * Used the appropriate flag when printing creation order tracked/indexed
*-------------------------------------------------------------------------
*/
herr_t
H5O_debug_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, haddr_t addr, FILE *stream, int indent, int fwidth)
{
- size_t mesg_total = 0, chunk_total = 0;
+ size_t mesg_total = 0, chunk_total = 0, gap_total = 0;
unsigned *sequence;
unsigned i; /* Local index variable */
herr_t ret_value = SUCCEED;
@@ -311,10 +315,10 @@ H5O_debug_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, haddr_t addr, FILE *stream, i
/* Display object's status flags */
HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
"Attribute creation order tracked:",
- (oh->flags & H5P_CRT_ORDER_TRACKED) ? "Yes" : "No");
+ (oh->flags & H5O_HDR_ATTR_CRT_ORDER_TRACKED) ? "Yes" : "No");
HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
"Attribute creation order indexed:",
- (oh->flags & H5P_CRT_ORDER_INDEXED) ? "Yes" : "No");
+ (oh->flags & H5O_HDR_ATTR_CRT_ORDER_INDEXED) ? "Yes" : "No");
HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
"Attribute storage phase change values:",
(oh->flags & H5O_HDR_ATTR_STORE_PHASE_CHANGE) ? "Non-default" : "Default");
@@ -392,6 +396,7 @@ H5O_debug_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, haddr_t addr, FILE *stream, i
/* Accumulate chunk's size to total */
chunk_total += chunk_size;
+ gap_total += oh->chunk[i].gap;
HDfprintf(stream, "%*s%-*s %Zu\n", indent + 3, "", MAX(0, fwidth - 3),
"Size in bytes:",
@@ -412,6 +417,10 @@ H5O_debug_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, haddr_t addr, FILE *stream, i
/* Accumulate message's size to total */
mesg_total += H5O_SIZEOF_MSGHDR_OH(oh) + oh->mesg[i].raw_size;
+ /* For version 2 object header, add size of "OCHK" for continuation chunk */
+ if (oh->mesg[i].type->id == H5O_CONT_ID)
+ mesg_total += H5O_SIZEOF_CHKHDR_OH(oh);
+
HDfprintf(stream, "%*sMessage %d...\n", indent, "", i);
/* check for bad message id */
@@ -501,7 +510,7 @@ H5O_debug_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, haddr_t addr, FILE *stream, i
} /* end for */
sequence = (unsigned *)H5MM_xfree(sequence);
- if(mesg_total != chunk_total)
+ if((mesg_total + gap_total) != chunk_total)
HDfprintf(stream, "*** TOTAL SIZE DOES NOT MATCH ALLOCATED SIZE!\n");
done:
diff --git a/test/ohdr.c b/test/ohdr.c
index 2d4f057..905551d 100644
--- a/test/ohdr.c
+++ b/test/ohdr.c
@@ -43,6 +43,101 @@ const char *FILENAME[] = {
*/
#define FILE_BOGUS "tbogus.h5"
+/*
+ * Verify that messages are moved forward into a "continuation message":
+ * Create an object header with several continuation chunks
+ * Remove a message in the last chunk
+ * The remaining message(s) in the last chunk should be moved forward into the continuation message
+ * The process will repeat when the continuation message is big enough to hold all the
+ * messages in the last chunk.
+ * Result: the number of chunks should be reduced
+ */
+static herr_t
+test_cont(char *filename, hid_t fapl)
+{
+ hid_t file=-1;
+ H5F_t *f = NULL;
+ H5O_info_t oinfo;
+ H5O_loc_t oh_locA, oh_locB;
+ time_t time_new;
+ char *short_name = "T";
+ char *long_name = "This is the message";
+ size_t nchunks;
+
+ TESTING("object header continuation block");
+
+ /* Create the file to operate on */
+ if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) TEST_ERROR
+ if(NULL == (f = (H5F_t *)H5I_object(file))) FAIL_STACK_ERROR
+
+ HDmemset(&oh_locA, 0, sizeof(oh_locA));
+ HDmemset(&oh_locB, 0, sizeof(oh_locB));
+
+ if(H5O_create(f, H5P_DATASET_XFER_DEFAULT, (size_t)H5O_MIN_SIZE, H5P_GROUP_CREATE_DEFAULT, &oh_locA/*out*/) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_create(f, H5P_DATASET_XFER_DEFAULT, (size_t)H5O_MIN_SIZE, H5P_GROUP_CREATE_DEFAULT, &oh_locB/*out*/) < 0)
+ FAIL_STACK_ERROR
+
+ time_new = 11111111;
+
+ if(H5O_msg_create(&oh_locA, H5O_NAME_ID, 0, 0, &long_name, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+ if(H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+ if(H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_msg_create(&oh_locA, H5O_MTIME_NEW_ID, 0, 0, &time_new, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_msg_create(&oh_locA, H5O_NAME_ID, 0, 0, &short_name, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5AC_flush(f, H5P_DATASET_XFER_DEFAULT, TRUE) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_get_info(&oh_locA, H5P_DATASET_XFER_DEFAULT, FALSE, &oinfo) < 0)
+ FAIL_STACK_ERROR
+ nchunks = oinfo.hdr.nchunks;
+
+ /* remove the 1st H5O_NAME_ID message */
+ if(H5O_msg_remove(&oh_locA, H5O_NAME_ID, 0, FALSE, H5P_DATASET_XFER_DEFAULT) < 0)
+ FAIL_STACK_ERROR
+
+ if(H5O_get_info(&oh_locA, H5P_DATASET_XFER_DEFAULT, FALSE, &oinfo) < 0)
+ FAIL_STACK_ERROR
+
+ if (oinfo.hdr.nchunks >= nchunks)
+ TEST_ERROR
+
+ if(H5O_close(&oh_locA) < 0)
+ FAIL_STACK_ERROR
+ if(H5O_close(&oh_locB) < 0)
+ FAIL_STACK_ERROR
+ if(H5Fclose(file) < 0)
+ FAIL_STACK_ERROR
+
+ PASSED();
+
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5O_close(&oh_locA);
+ H5O_close(&oh_locB);
+ H5Fclose (file);
+ } H5E_END_TRY;
+ return -1;
+} /* test_cont() */
+
/*-------------------------------------------------------------------------
* Function: main
@@ -84,12 +179,16 @@ main(void)
/* Display info about testing */
if(b)
HDputs("Using new file format:");
- else
+ else
HDputs("Using default file format:");
/* Set the format to use for the file */
if (H5Pset_libver_bounds(fapl, (b ? H5F_LIBVER_LATEST : H5F_LIBVER_EARLIEST), H5F_LIBVER_LATEST) < 0) FAIL_STACK_ERROR
+ /* test on object continuation block */
+ if (test_cont(filename, fapl) < 0)
+ FAIL_STACK_ERROR
+
/* Create the file to operate on */
if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) TEST_ERROR
if(NULL == (f = (H5F_t *)H5I_object(file))) FAIL_STACK_ERROR
diff --git a/test/tsohm.c b/test/tsohm.c
index 47c087e..0516590 100644
--- a/test/tsohm.c
+++ b/test/tsohm.c
@@ -2348,8 +2348,10 @@ static void test_sohm_size2(int close_reopen)
if((list_index_big.attrs1 - list_index_big.interleaved) >=
(list_index_small.attrs1 - list_index_small.interleaved))
VERIFY(0, 1, "h5_get_file_size");
+
+ /* Give it some overhead (for checkin to move messages into continuation message) */
if((list_index_small.attrs1 - list_index_small.interleaved) >
- (btree_index.attrs1 - btree_index.interleaved))
+ ((btree_index.attrs1 - btree_index.interleaved) * OVERHEAD_ALLOWED))
VERIFY(0, 1, "h5_get_file_size");
generated by cgit v0.12 at 2024-07-04 22:35:38 (GMT)