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-rw-r--r--src/H5Fsuper_cache.c372
-rw-r--r--src/H5HFcache.c95
-rw-r--r--src/H5HFdblock.c4
-rw-r--r--src/H5HGcache.c108
-rw-r--r--src/H5HLcache.c122
-rw-r--r--src/H5Ocache.c324
6 files changed, 583 insertions, 442 deletions
diff --git a/src/H5Fsuper_cache.c b/src/H5Fsuper_cache.c
index 0dc504e..8e832d7 100644
--- a/src/H5Fsuper_cache.c
+++ b/src/H5Fsuper_cache.c
@@ -91,6 +91,14 @@ static herr_t H5F__cache_drvrinfo_serialize(const H5F_t *f, void *image, size_t
void *thing);
static herr_t H5F__cache_drvrinfo_free_icr(void *thing);
+/* Local encode/decode routines */
+static herr_t H5F__superblock_prefix_decode(H5F_super_t *sblock,
+ const uint8_t **image_ref, const H5F_superblock_cache_ud_t *udata,
+ hbool_t extend_eoa);
+static herr_t H5F__drvrinfo_prefix_decode(H5O_drvinfo_t *drvinfo, char *drv_name,
+ const uint8_t **image_ref, H5F_drvrinfo_cache_ud_t *udata,
+ hbool_t extend_eoa);
+
/*********************/
/* Package Variables */
@@ -148,6 +156,158 @@ H5FL_EXTERN(H5F_super_t);
/*-------------------------------------------------------------------------
+ * Function: H5F__superblock_prefix_decode
+ *
+ * Purpose: Decode a superblock prefix
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * December 15, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5F__superblock_prefix_decode(H5F_super_t *sblock, const uint8_t **image_ref,
+ const H5F_superblock_cache_ud_t *udata, hbool_t extend_eoa)
+{
+ const uint8_t *image = (const uint8_t *)*image_ref; /* Pointer into raw data buffer */
+ htri_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Check arguments */
+ HDassert(sblock);
+ HDassert(image_ref);
+ HDassert(image);
+ HDassert(udata);
+ HDassert(udata->f);
+
+ /* Skip over signature (already checked when locating the superblock) */
+ image += H5F_SIGNATURE_LEN;
+
+ /* Superblock version */
+ sblock->super_vers = *image++;
+ if(sblock->super_vers > HDF5_SUPERBLOCK_VERSION_LATEST)
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad superblock version number")
+
+ /* Sanity check */
+ HDassert(((size_t)(image - (const uint8_t *)*image_ref)) == H5F_SUPERBLOCK_FIXED_SIZE);
+
+ /* Determine the size of addresses & size of offsets, for computing the
+ * variable-sized portion of the superblock.
+ */
+ if(sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) {
+ sblock->sizeof_addr = image[4];
+ sblock->sizeof_size = image[5];
+ } /* end if */
+ else {
+ sblock->sizeof_addr = image[0];
+ sblock->sizeof_size = image[1];
+ } /* end else */
+ if(sblock->sizeof_addr != 2 && sblock->sizeof_addr != 4 &&
+ sblock->sizeof_addr != 8 && sblock->sizeof_addr != 16 && sblock->sizeof_addr != 32)
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad byte number in an address")
+ if(sblock->sizeof_size != 2 && sblock->sizeof_size != 4 &&
+ sblock->sizeof_size != 8 && sblock->sizeof_size != 16 && sblock->sizeof_size != 32)
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad byte number for object size")
+
+ /* Check for extending the EOA for the file */
+ if(extend_eoa) {
+ size_t variable_size; /* Variable size of superblock */
+
+ /* Determine the size of the variable-length part of the superblock */
+ variable_size = (size_t)H5F_SUPERBLOCK_VARLEN_SIZE(sblock->super_vers, sblock->sizeof_addr, sblock->sizeof_size);
+ HDassert(variable_size > 0);
+
+ /* Make certain we can read the variable-sized portion of the superblock */
+ if(H5F__set_eoa(udata->f, H5FD_MEM_SUPER, (haddr_t)(H5F_SUPERBLOCK_FIXED_SIZE + variable_size)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "set end of space allocation request failed")
+ } /* end if */
+
+ /* Update the image buffer pointer */
+ *image_ref = image;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5F__superblock_prefix_decode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5F__drvrinfo_prefix_decode
+ *
+ * Purpose: Decode a driver info prefix
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * December 15, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5F__drvrinfo_prefix_decode(H5O_drvinfo_t *drvrinfo, char *drv_name,
+ const uint8_t **image_ref, H5F_drvrinfo_cache_ud_t *udata,
+ hbool_t extend_eoa)
+{
+ const uint8_t *image = (const uint8_t *)*image_ref; /* Pointer into raw data buffer */
+ unsigned drv_vers; /* Version of driver info block */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity check */
+ HDassert(drvrinfo);
+ HDassert(image_ref);
+ HDassert(image);
+ HDassert(udata);
+ HDassert(udata->f);
+
+ /* Version number */
+ drv_vers = *image++;
+ if(drv_vers != HDF5_DRIVERINFO_VERSION_0)
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad driver information block version number")
+
+ image += 3; /* reserved bytes */
+
+ /* Driver info size */
+ UINT32DECODE(image, drvrinfo->len);
+
+ /* Driver name and/or version */
+ if(drv_name) {
+ HDmemcpy(drv_name, (const char *)image, (size_t)8);
+ drv_name[8] = '\0';
+ image += 8; /* advance past name/version */
+ } /* end if */
+
+ /* Extend the EOA if required so that we can read the complete driver info block */
+ if(extend_eoa) {
+ haddr_t eoa; /* Current EOA for the file */
+ haddr_t min_eoa; /* Minimum EOA needed for reading the driver info */
+
+ /* Get current EOA... */
+ eoa = H5FD_get_eoa(udata->f->shared->lf, H5FD_MEM_SUPER);
+ if(!H5F_addr_defined(eoa))
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "driver get_eoa request failed")
+
+ /* ... if it is too small, extend it. */
+ min_eoa = udata->driver_addr + H5F_DRVINFOBLOCK_HDR_SIZE + drvrinfo->len;
+
+ /* If it grew, set it */
+ if(H5F_addr_gt(min_eoa, eoa))
+ if(H5FD_set_eoa(udata->f->shared->lf, H5FD_MEM_SUPER, min_eoa) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "set end of space allocation request failed")
+ } /* end if */
+
+ /* Update the image buffer pointer */
+ *image_ref = image;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5F__drvrinfo_prefix_decode() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5F__cache_superblock_get_initial_load_size
*
* Purpose: Compute the size of the data structure on disk.
@@ -195,10 +355,7 @@ H5F__cache_superblock_get_final_load_size(const void *_image, size_t image_len,
{
const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
H5F_superblock_cache_ud_t *udata = (H5F_superblock_cache_ud_t *)_udata; /* User data */
- unsigned super_vers; /* Superblock version */
- uint8_t sizeof_addr; /* Size of offsets in the file (in bytes) */
- uint8_t sizeof_size; /* Size of lengths in the file (in bytes) */
- size_t variable_size; /* Variable size of superblock */
+ H5F_super_t sblock; /* Temporary file superblock */
htri_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
@@ -206,56 +363,20 @@ H5F__cache_superblock_get_final_load_size(const void *_image, size_t image_len,
/* Check arguments */
HDassert(image);
HDassert(udata);
- HDassert(udata->f);
HDassert(actual_len);
HDassert(*actual_len == image_len);
-
- /* Skip over file signature */
- image += H5F_SIGNATURE_LEN;
-
- /* Superblock version */
- super_vers = *image++;
- if(super_vers > HDF5_SUPERBLOCK_VERSION_LATEST)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad superblock version number")
-
- /* Save the version to be used in verify_chksum callback */
- udata->super_vers = super_vers;
-
- /* Sanity check */
- HDassert(((size_t)(image - (const uint8_t *)_image)) == H5F_SUPERBLOCK_FIXED_SIZE);
HDassert(image_len >= H5F_SUPERBLOCK_FIXED_SIZE + 6);
- /* Determine the size of addresses & size of offsets, for computing the
- * variable-sized portion of the superblock.
- */
- if(super_vers < HDF5_SUPERBLOCK_VERSION_2) {
- sizeof_addr = image[4];
- sizeof_size = image[5];
- } /* end if */
- else {
- sizeof_addr = image[0];
- sizeof_size = image[1];
- } /* end else */
- if(sizeof_addr != 2 && sizeof_addr != 4 &&
- sizeof_addr != 8 && sizeof_addr != 16 && sizeof_addr != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad byte number in an address")
- if(sizeof_size != 2 && sizeof_size != 4 &&
- sizeof_size != 8 && sizeof_size != 16 && sizeof_size != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad byte number for object size")
-
- /* Determine the size of the variable-length part of the superblock */
- variable_size = (size_t)H5F_SUPERBLOCK_VARLEN_SIZE(super_vers, sizeof_addr, sizeof_size);
- HDassert(variable_size > 0);
+ /* Deserialize the file superblock's prefix */
+ if(H5F__superblock_prefix_decode(&sblock, &image, udata, TRUE) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't decode file superblock prefix")
- /* Sanity check */
- HDassert(image_len == (H5F_SUPERBLOCK_FIXED_SIZE + H5F_SUPERBLOCK_MINIMAL_VARLEN_SIZE));
-
- /* Make certain we can read the variable-sized portion of the superblock */
- if(H5F__set_eoa(udata->f, H5FD_MEM_SUPER, (haddr_t)(H5F_SUPERBLOCK_FIXED_SIZE + variable_size)) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "set end of space allocation request failed")
+ /* Save the version to be used in verify_chksum callback */
+ udata->super_vers = sblock.super_vers;
/* Set the final size for the cache image */
- *actual_len = H5F_SUPERBLOCK_FIXED_SIZE + variable_size;
+ *actual_len = H5F_SUPERBLOCK_FIXED_SIZE +
+ (size_t)H5F_SUPERBLOCK_VARLEN_SIZE(sblock.super_vers, sblock.sizeof_addr, sblock.sizeof_size);
done:
FUNC_LEAVE_NOAPI(ret_value)
@@ -325,10 +446,6 @@ H5F__cache_superblock_deserialize(const void *_image, size_t len, void *_udata,
H5F_super_t *sblock = NULL; /* File's superblock */
H5F_superblock_cache_ud_t *udata = (H5F_superblock_cache_ud_t *)_udata; /* User data */
const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
- size_t variable_size; /* Variable size of superblock */
- unsigned super_vers; /* Superblock version */
- uint8_t sizeof_addr; /* Size of offsets in the file (in bytes) */
- uint8_t sizeof_size; /* Size of lengths in the file (in bytes) */
H5F_super_t *ret_value = NULL; /* Return value */
FUNC_ENTER_STATIC
@@ -337,54 +454,18 @@ H5F__cache_superblock_deserialize(const void *_image, size_t len, void *_udata,
HDassert(image);
HDassert(udata);
HDassert(udata->f);
+ HDassert(len >= H5F_SUPERBLOCK_FIXED_SIZE + 6);
/* Allocate space for the superblock */
if(NULL == (sblock = H5FL_CALLOC(H5F_super_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
- /* Skip over signature (already checked when locating the superblock) */
- image += H5F_SIGNATURE_LEN;
-
- /* Superblock version */
- super_vers = *image++;
- if(super_vers > HDF5_SUPERBLOCK_VERSION_LATEST)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad superblock version number")
-
- /* Record the superblock version */
- sblock->super_vers = super_vers;
-
- /* Sanity check */
- HDassert(((size_t)(image - (const uint8_t *)_image)) == H5F_SUPERBLOCK_FIXED_SIZE);
- HDassert(len >= H5F_SUPERBLOCK_FIXED_SIZE + 6);
-
- /* Determine the size of addresses & size of offsets, for computing the
- * variable-sized portion of the superblock.
- */
- if(super_vers < HDF5_SUPERBLOCK_VERSION_2) {
- sizeof_addr = image[4];
- sizeof_size = image[5];
- } /* end if */
- else {
- sizeof_addr = image[0];
- sizeof_size = image[1];
- } /* end else */
- if(sizeof_addr != 2 && sizeof_addr != 4 &&
- sizeof_addr != 8 && sizeof_addr != 16 && sizeof_addr != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number in an address")
- if(sizeof_size != 2 && sizeof_size != 4 &&
- sizeof_size != 8 && sizeof_size != 16 && sizeof_size != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number for object size")
- sblock->sizeof_addr = sizeof_addr;
- sblock->sizeof_size = sizeof_size;
-
- /* Determine the size of the variable-length part of the superblock */
- variable_size = (size_t)H5F_SUPERBLOCK_VARLEN_SIZE(super_vers, sizeof_addr, sizeof_size);
- HDassert(variable_size > 0);
-
- HDassert(len == (H5F_SUPERBLOCK_FIXED_SIZE + variable_size));
+ /* Deserialize the file superblock's prefix */
+ if(H5F__superblock_prefix_decode(sblock, &image, udata, FALSE) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, NULL, "can't decode file superblock prefix")
/* Check for older version of superblock format */
- if(super_vers < HDF5_SUPERBLOCK_VERSION_2) {
+ if(sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2) {
uint32_t status_flags; /* File status flags */
unsigned sym_leaf_k; /* Symbol table leaf node's 'K' value */
unsigned snode_btree_k; /* B-tree symbol table internal node 'K' value */
@@ -405,21 +486,13 @@ H5F__cache_superblock_deserialize(const void *_image, size_t len, void *_udata,
if(HDF5_SHAREDHEADER_VERSION != *image++)
HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad shared-header format version number")
- /* Size of file addresses */
- sizeof_addr = *image++;
- if(sizeof_addr != 2 && sizeof_addr != 4 &&
- sizeof_addr != 8 && sizeof_addr != 16 && sizeof_addr != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number in an address")
- sblock->sizeof_addr = sizeof_addr;
- udata->f->shared->sizeof_addr = sizeof_addr; /* Keep a local copy also */
-
- /* Size of file sizes */
- sizeof_size = *image++;
- if(sizeof_size != 2 && sizeof_size != 4 &&
- sizeof_size != 8 && sizeof_size != 16 && sizeof_size != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number for object size")
- sblock->sizeof_size = sizeof_size;
- udata->f->shared->sizeof_size = sizeof_size; /* Keep a local copy also */
+ /* Skip over size of file addresses (already decoded) */
+ image++;
+ udata->f->shared->sizeof_addr = sblock->sizeof_addr; /* Keep a local copy also */
+
+ /* Skip over size of file sizes (already decoded) */
+ image++;
+ udata->f->shared->sizeof_size = sblock->sizeof_size; /* Keep a local copy also */
/* Skip over reserved byte */
image++;
@@ -452,11 +525,11 @@ H5F__cache_superblock_deserialize(const void *_image, size_t len, void *_udata,
* If the superblock version # is greater than 0, read in the indexed
* storage B-tree internal 'K' value
*/
- if(super_vers > HDF5_SUPERBLOCK_VERSION_DEF) {
+ if(sblock->super_vers > HDF5_SUPERBLOCK_VERSION_DEF) {
UINT16DECODE(image, chunk_btree_k);
/* Reserved bytes are present only in version 1 */
- if(super_vers == HDF5_SUPERBLOCK_VERSION_1)
+ if(sblock->super_vers == HDF5_SUPERBLOCK_VERSION_1)
image += 2; /* reserved */
} /* end if */
else
@@ -498,21 +571,13 @@ H5F__cache_superblock_deserialize(const void *_image, size_t len, void *_udata,
else {
uint32_t read_chksum; /* Checksum read from file */
- /* Size of file addresses */
- sizeof_addr = *image++;
- if(sizeof_addr != 2 && sizeof_addr != 4 &&
- sizeof_addr != 8 && sizeof_addr != 16 && sizeof_addr != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number in an address")
- sblock->sizeof_addr = sizeof_addr;
- udata->f->shared->sizeof_addr = sizeof_addr; /* Keep a local copy also */
-
- /* Size of file sizes */
- sizeof_size = *image++;
- if(sizeof_size != 2 && sizeof_size != 4 &&
- sizeof_size != 8 && sizeof_size != 16 && sizeof_size != 32)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad byte number for object size")
- sblock->sizeof_size = sizeof_size;
- udata->f->shared->sizeof_size = sizeof_size; /* Keep a local copy also */
+ /* Skip over size of file addresses (already decoded) */
+ image++;
+ udata->f->shared->sizeof_addr = sblock->sizeof_addr; /* Keep a local copy also */
+
+ /* Skip over size of file sizes (already decoded) */
+ image++;
+ udata->f->shared->sizeof_size = sblock->sizeof_size; /* Keep a local copy also */
/* File status flags (not really used yet) */
sblock->status_flags = *image++;
@@ -588,7 +653,7 @@ H5F__cache_superblock_image_len(const void *_thing, size_t *image_len)
/*-------------------------------------------------------------------------
- * Function: H5FS__cache_hdf_pre_serialize
+ * Function: H5FS__cache_superblock_pre_serialize
*
* Purpose: The current use of this function is a cludge to repair an
* oversight in the conversion of the superblock code to use the
@@ -927,50 +992,24 @@ H5F__cache_drvrinfo_get_final_load_size(const void *_image, size_t image_len,
{
const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
H5F_drvrinfo_cache_ud_t *udata = (H5F_drvrinfo_cache_ud_t *)_udata; /* User data */
- unsigned drv_vers; /* Version of driver info block */
- size_t drvinfo_len; /* Length of encoded buffer */
- haddr_t eoa; /* Current EOA for the file */
- haddr_t min_eoa; /* Minimum EOA needed for reading the driver info */
- htri_t ret_value = SUCCEED; /* Return value */
+ H5O_drvinfo_t drvrinfo; /* Driver info */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Check arguments */
HDassert(image);
HDassert(udata);
- HDassert(udata->f);
HDassert(actual_len);
HDassert(*actual_len == image_len);
-
- /* Version number */
- drv_vers = *image++;
- if(drv_vers != HDF5_DRIVERINFO_VERSION_0)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "bad driver information block version number")
-
- image += 3; /* reserved bytes */
-
- /* Driver info size */
- UINT32DECODE(image, drvinfo_len);
-
- /* Sanity check */
HDassert(image_len == H5F_DRVINFOBLOCK_HDR_SIZE);
- /* Extend the EOA if required so that we can read the complete driver info block */
-
- /* Get current EOA... */
- if((eoa = H5FD_get_eoa(udata->f->shared->lf, H5FD_MEM_SUPER)) == HADDR_UNDEF)
- HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "driver get_eoa request failed")
-
- /* ... if it is too small, extend it. */
- min_eoa = udata->driver_addr + H5F_DRVINFOBLOCK_HDR_SIZE + drvinfo_len;
-
- /* If it grew, set it */
- if(H5F_addr_gt(min_eoa, eoa))
- if(H5FD_set_eoa(udata->f->shared->lf, H5FD_MEM_SUPER, min_eoa) < 0)
- HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "set end of space allocation request failed")
+ /* Deserialize the file driver info's prefix */
+ if(H5F__drvrinfo_prefix_decode(&drvrinfo, NULL, &image, udata, TRUE) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, FAIL, "can't decode file driver info prefix")
/* Set the final size for the cache image */
- *actual_len = H5F_DRVINFOBLOCK_HDR_SIZE + drvinfo_len;
+ *actual_len = H5F_DRVINFOBLOCK_HDR_SIZE + drvrinfo.len;
done:
FUNC_LEAVE_NOAPI(ret_value)
@@ -999,7 +1038,6 @@ H5F__cache_drvrinfo_deserialize(const void *_image, size_t len, void *_udata,
H5F_drvrinfo_cache_ud_t *udata = (H5F_drvrinfo_cache_ud_t *)_udata; /* User data */
const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
char drv_name[9]; /* Name of driver */
- unsigned drv_vers; /* Version of driver info block */
H5O_drvinfo_t *ret_value = NULL; /* Return value */
FUNC_ENTER_STATIC
@@ -1014,21 +1052,11 @@ H5F__cache_drvrinfo_deserialize(const void *_image, size_t len, void *_udata,
if(NULL == (drvinfo = (H5O_drvinfo_t *)H5MM_calloc(sizeof(H5O_drvinfo_t))))
HGOTO_ERROR(H5E_FILE, H5E_CANTALLOC, NULL, "memory allocation failed for driver info message")
- /* Version number */
- drv_vers = *image++;
- if(drv_vers != HDF5_DRIVERINFO_VERSION_0)
- HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, NULL, "bad driver information block version number")
-
- image += 3; /* reserved bytes */
-
- /* Driver info size */
- UINT32DECODE(image, drvinfo->len);
-
- /* Driver name and/or version */
- HDstrncpy(drv_name, (const char *)image, (size_t)8);
- drv_name[8] = '\0';
- image += 8; /* advance past name/version */
+ /* Deserialize the file driver info's prefix */
+ if(H5F__drvrinfo_prefix_decode(drvinfo, drv_name, &image, udata, FALSE) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTDECODE, NULL, "can't decode file driver info prefix")
+ /* Sanity check */
HDassert(len == (H5F_DRVINFOBLOCK_HDR_SIZE + drvinfo->len));
/* Validate and decode driver information */
diff --git a/src/H5HFcache.c b/src/H5HFcache.c
index f85b344..1e2eb8f 100644
--- a/src/H5HFcache.c
+++ b/src/H5HFcache.c
@@ -69,6 +69,7 @@
/********************/
/* Local encode/decode routines */
+static herr_t H5HF__hdr_prefix_decode(H5HF_hdr_t *hdr, const uint8_t **image_ref);
static herr_t H5HF__dtable_encode(H5F_t *f, uint8_t **pp, const H5HF_dtable_t *dtable);
static herr_t H5HF__dtable_decode(H5F_t *f, const uint8_t **pp, H5HF_dtable_t *dtable);
@@ -200,6 +201,52 @@ H5FL_BLK_DEFINE(direct_block);
/*-------------------------------------------------------------------------
+ * Function: H5HF__hdr_prefix_decode()
+ *
+ * Purpose: Decode a fractal heap header's prefix
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL
+ *
+ * Programmer: Quincey Koziol
+ * December 15, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HF__hdr_prefix_decode(H5HF_hdr_t *hdr, const uint8_t **image_ref)
+{
+ const uint8_t *image = *image_ref; /* Pointer into into supplied image */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(hdr);
+ HDassert(image);
+
+ /* Magic number */
+ if(HDmemcmp(image, H5HF_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "wrong fractal heap header signature")
+ image += H5_SIZEOF_MAGIC;
+
+ /* Version */
+ if(*image++ != H5HF_HDR_VERSION)
+ HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong fractal heap header version")
+
+ /* General heap information */
+ UINT16DECODE(image, hdr->id_len); /* Heap ID length */
+ UINT16DECODE(image, hdr->filter_len); /* I/O filters' encoded length */
+
+ /* Update the image buffer pointer */
+ *image_ref = image;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HF__hdr_prefix_decode() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HF__dtable_decode
*
* Purpose: Decodes the metadata for a doubling table
@@ -360,10 +407,10 @@ static herr_t
H5HF__cache_hdr_get_final_load_size(const void *_image, size_t image_len,
void *_udata, size_t *actual_len)
{
- const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
- H5HF_hdr_cache_ud_t *udata = (H5HF_hdr_cache_ud_t *)_udata; /* pointer to user data */
- unsigned filter_len; /* Size of I/O filter information (in bytes) */
- htri_t ret_value = SUCCEED; /* Return value */
+ H5HF_hdr_t hdr; /* Temporary fractal heap header */
+ const uint8_t *image = (const uint8_t *)_image; /* Pointer into into supplied image */
+ H5HF_hdr_cache_ud_t *udata = (H5HF_hdr_cache_ud_t *)_udata; /* User data for callback */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
@@ -373,25 +420,16 @@ H5HF__cache_hdr_get_final_load_size(const void *_image, size_t image_len,
HDassert(actual_len);
HDassert(*actual_len == image_len);
- /* Magic number */
- if(HDmemcmp(image, H5HF_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "wrong fractal heap header signature")
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- if(*image++ != H5HF_HDR_VERSION)
- HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong fractal heap header version")
-
- /* General heap information */
- image += 2; /* Heap ID length */
- UINT16DECODE(image, filter_len); /* I/O filters' encoded length */
+ /* Deserialize the fractal heap header's prefix */
+ if(H5HF__hdr_prefix_decode(&hdr, &image) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, FAIL, "can't decode fractal heap header prefix")
/* Check for I/O filter info on this heap */
- if(filter_len > 0)
+ if(hdr.filter_len > 0)
/* Compute the extra heap header size */
*actual_len += (size_t)(H5F_SIZEOF_SIZE(udata->f) /* Size of size for filtered root direct block */
+ (unsigned)4 /* Size of filter mask for filtered root direct block */
- + filter_len); /* Size of encoded I/O filter info */
+ + hdr.filter_len); /* Size of encoded I/O filter info */
done:
FUNC_LEAVE_NOAPI(ret_value)
@@ -473,18 +511,9 @@ H5HF__cache_hdr_deserialize(const void *_image, size_t len, void *_udata,
if(NULL == (hdr = H5HF_hdr_alloc(udata->f)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
- /* Magic number */
- if(HDmemcmp(image, H5HF_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, NULL, "wrong fractal heap header signature")
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- if(*image++ != H5HF_HDR_VERSION)
- HGOTO_ERROR(H5E_HEAP, H5E_VERSION, NULL, "wrong fractal heap header version")
-
- /* General heap information */
- UINT16DECODE(image, hdr->id_len); /* Heap ID length */
- UINT16DECODE(image, hdr->filter_len); /* I/O filters' encoded length */
+ /* Deserialize the fractal heap header's prefix */
+ if(H5HF__hdr_prefix_decode(hdr, &image) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't decode fractal heap header prefix")
/* Heap status flags */
/* (bit 0: "huge" object IDs have wrapped) */
@@ -1618,10 +1647,6 @@ H5HF__cache_dblock_verify_chksum(const void *_image, size_t len, void *_udata)
hdr = par_info->hdr;
HDassert(hdr);
- /* Reset callback context info */
- udata->decompressed = FALSE;
- udata->dblk = NULL;
-
/* Get out if data block is not checksummed */
if(!(hdr->checksum_dblocks))
HGOTO_DONE(TRUE);
@@ -1728,7 +1753,7 @@ H5HF__cache_dblock_deserialize(const void *_image, size_t len, void *_udata,
H5HF_dblock_cache_ud_t *udata = (H5HF_dblock_cache_ud_t *)_udata; /* User data for callback */
H5HF_parent_t *par_info; /* Pointer to parent information */
H5HF_direct_t *dblock = NULL; /* Direct block info */
- const uint8_t *image = _image;/* Pointer into raw data buffer */
+ const uint8_t *image = (const uint8_t *)_image;/* Pointer into raw data buffer */
void *read_buf = NULL; /* Pointer to buffer to decompress */
haddr_t heap_addr; /* Address of heap header in the file */
void * ret_value = NULL; /* Return value */
diff --git a/src/H5HFdblock.c b/src/H5HFdblock.c
index 1272ab0..b34534c 100644
--- a/src/H5HFdblock.c
+++ b/src/H5HFdblock.c
@@ -493,6 +493,10 @@ H5HF_man_dblock_protect(H5HF_hdr_t *hdr, hid_t dxpl_id, haddr_t dblock_addr,
udata.filter_mask = 0;
} /* end else */
+ /* Reset compression context info */
+ udata.decompressed = FALSE;
+ udata.dblk = NULL;
+
/* Protect the direct block */
if(NULL == (dblock = (H5HF_direct_t *)H5AC_protect(hdr->f, dxpl_id, H5AC_FHEAP_DBLOCK, dblock_addr, &udata, flags)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, NULL, "unable to protect fractal heap direct block")
diff --git a/src/H5HGcache.c b/src/H5HGcache.c
index 6bc9860..a83c22b 100644
--- a/src/H5HGcache.c
+++ b/src/H5HGcache.c
@@ -72,6 +72,10 @@ static herr_t H5HG__cache_heap_serialize(const H5F_t *f, void *image,
size_t len, void *thing);
static herr_t H5HG__cache_heap_free_icr(void *thing);
+/* Prefix deserialization */
+static herr_t H5HG__hdr_deserialize(H5HG_heap_t *heap, const uint8_t *image,
+ const H5F_t *f);
+
/*********************/
/* Package Variables */
@@ -108,6 +112,52 @@ const H5AC_class_t H5AC_GHEAP[1] = {{
/*-------------------------------------------------------------------------
+ * Function: H5HG__hdr_deserialize()
+ *
+ * Purpose: Decode a global heap's header
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL
+ *
+ * Programmer: Quincey Koziol
+ * December 15, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HG__hdr_deserialize(H5HG_heap_t *heap, const uint8_t *image, const H5F_t *f)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity check */
+ HDassert(heap);
+ HDassert(image);
+ HDassert(f);
+
+ /* Magic number */
+ if(HDmemcmp(image, H5HG_MAGIC, (size_t)H5_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad global heap collection signature")
+ image += H5_SIZEOF_MAGIC;
+
+ /* Version */
+ if(H5HG_VERSION != *image++)
+ HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong version number in global heap")
+
+ /* Reserved */
+ image += 3;
+
+ /* Size */
+ H5F_DECODE_LENGTH(f, image, heap->size);
+ HDassert(heap->size >= H5HG_MINSIZE);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HG__hdr_deserialize() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HG__cache_heap_get_initial_load_size()
*
* Purpose: Return the initial speculative read size to the metadata
@@ -154,41 +204,27 @@ H5HG__cache_heap_get_initial_load_size(void H5_ATTR_UNUSED *_udata, size_t *imag
*-------------------------------------------------------------------------
*/
static herr_t
-H5HG__cache_heap_get_final_load_size(const void *_image, size_t image_len,
- void *_udata, size_t *actual_len)
+H5HG__cache_heap_get_final_load_size(const void *image, size_t image_len,
+ void *udata, size_t *actual_len)
{
- const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
- H5F_t *f = (H5F_t *)_udata; /* File pointer -- obtained from user data */
- size_t heap_size = 0; /* Total size of collection */
- herr_t ret_value = SUCCEED; /* Return value */
+ H5HG_heap_t heap; /* Global heap */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(image);
- HDassert(f);
+ HDassert(udata);
HDassert(actual_len);
HDassert(*actual_len == image_len);
-
- /* Magic number */
- if(HDmemcmp(image, H5HG_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad global heap collection signature")
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- if(H5HG_VERSION != *image++)
- HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong version number in global heap")
-
- /* Reserved */
- image += 3;
-
- /* Size */
- H5F_DECODE_LENGTH(f, image, heap_size);
- HDassert(heap_size >= H5HG_MINSIZE);
HDassert(image_len == H5HG_MINSIZE);
+ /* Deserialize the heap's header */
+ if(H5HG__hdr_deserialize(&heap, (const uint8_t *)image, (const H5F_t *)udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, FAIL, "can't decode global heap prefix")
+
/* Set the final size for the cache image */
- *actual_len = heap_size;
+ *actual_len = heap.size;
done:
FUNC_LEAVE_NOAPI(ret_value)
@@ -236,29 +272,13 @@ H5HG__cache_heap_deserialize(const void *_image, size_t len, void *_udata,
if(NULL == (heap->chunk = H5FL_BLK_MALLOC(gheap_chunk, len)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
- /* copy the image buffer into the newly allocate chunk */
+ /* Copy the image buffer into the newly allocate chunk */
HDmemcpy(heap->chunk, _image, len);
- image = heap->chunk;
-
- /* Magic number */
- if(HDmemcmp(image, H5HG_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad global heap collection signature")
- image += H5_SIZEOF_MAGIC;
+ /* Deserialize the heap's header */
+ if(H5HG__hdr_deserialize(heap, (const uint8_t *)heap->chunk, f) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't decode global heap header")
- /* Version */
- if(H5HG_VERSION != *image++)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "wrong version number in global heap")
-
- /* Reserved */
- image += 3;
-
- /* Size */
- H5F_DECODE_LENGTH(f, image, heap->size);
- HDassert(heap->size >= H5HG_MINSIZE);
- HDassert((len == H5HG_MINSIZE) /* first try */ ||
- ((len == heap->size) && (len > H5HG_MINSIZE))); /* second try */
-
/* Decode each object */
image = heap->chunk + H5HG_SIZEOF_HDR(f);
nalloc = H5HG_NOBJS(f, heap->size);
diff --git a/src/H5HLcache.c b/src/H5HLcache.c
index 3db239e..b2ca839 100644
--- a/src/H5HLcache.c
+++ b/src/H5HLcache.c
@@ -91,6 +91,10 @@ static herr_t H5HL__cache_datablock_serialize(const H5F_t *f, void *image,
static herr_t H5HL__cache_datablock_notify(H5C_notify_action_t action, void *_thing);
static herr_t H5HL__cache_datablock_free_icr(void *thing);
+/* Header deserialization */
+static herr_t H5HL__hdr_deserialize(H5HL_t *heap, const uint8_t *image,
+ H5HL_cache_prfx_ud_t *udata);
+
/* Free list de/serialization */
static herr_t H5HL__fl_deserialize(H5HL_t *heap);
static void H5HL__fl_serialize(const H5HL_t *heap);
@@ -147,6 +151,64 @@ const H5AC_class_t H5AC_LHEAP_DBLK[1] = {{
/*-------------------------------------------------------------------------
+ * Function: H5HL__hdr_deserialize()
+ *
+ * Purpose: Decode a local heap's header
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL
+ *
+ * Programmer: Quincey Koziol
+ * December 15, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5HL__hdr_deserialize( H5HL_t *heap, const uint8_t *image,
+ H5HL_cache_prfx_ud_t *udata)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(heap);
+ HDassert(image);
+ HDassert(udata);
+
+ /* Check magic number */
+ if(HDmemcmp(image, H5HL_MAGIC, (size_t)H5_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad local heap signature")
+ image += H5_SIZEOF_MAGIC;
+
+ /* Version */
+ if(H5HL_VERSION != *image++)
+ HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong version number in local heap")
+
+ /* Reserved */
+ image += 3;
+
+ /* Store the prefix's address & length */
+ heap->prfx_addr = udata->prfx_addr;
+ heap->prfx_size = udata->sizeof_prfx;
+
+ /* Heap data size */
+ H5F_DECODE_LENGTH_LEN(image, heap->dblk_size, udata->sizeof_size);
+
+ /* Free list head */
+ H5F_DECODE_LENGTH_LEN(image, heap->free_block, udata->sizeof_size);
+ if(heap->free_block != H5HL_FREE_NULL && heap->free_block >= heap->dblk_size)
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad heap free list")
+
+ /* Heap data address */
+ H5F_addr_decode_len(udata->sizeof_addr, &image, &(heap->dblk_addr));
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5HL__hdr_deserialize() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5HL__fl_deserialize
*
* Purpose: Deserialize the free list for a heap data block
@@ -319,32 +381,9 @@ H5HL__cache_prefix_get_final_load_size(const void *_image, size_t image_len,
HDassert(actual_len);
HDassert(*actual_len == image_len);
- /* Check magic number */
- if(HDmemcmp(image, H5HL_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad local heap signature")
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- if(H5HL_VERSION != *image++)
- HGOTO_ERROR(H5E_HEAP, H5E_VERSION, FAIL, "wrong version number in local heap")
-
- /* Reserved */
- image += 3;
-
- /* Store the prefix's address & length */
- heap.prfx_addr = udata->prfx_addr; /* NEED */
- heap.prfx_size = udata->sizeof_prfx; /* NEED */
-
- /* Heap data size */
- H5F_DECODE_LENGTH_LEN(image, heap.dblk_size, udata->sizeof_size); /* NEED */
-
- /* Free list head */
- H5F_DECODE_LENGTH_LEN(image, heap.free_block, udata->sizeof_size);
- if(heap.free_block != H5HL_FREE_NULL && heap.free_block >= heap.dblk_size)
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad heap free list");
-
- /* Heap data address */
- H5F_addr_decode_len(udata->sizeof_addr, &image, &(heap.dblk_addr)); /* NEED */
+ /* Deserialize the heap's header */
+ if(H5HL__hdr_deserialize(&heap, (const uint8_t *)image, udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, FAIL, "can't decode local heap header")
/* Set the final size for the cache image */
*actual_len = heap.prfx_size;
@@ -398,41 +437,18 @@ H5HL__cache_prefix_deserialize(const void *_image, size_t len, void *_udata,
HDassert(H5F_addr_defined(udata->prfx_addr));
HDassert(dirty);
- /* Check magic number */
- if(HDmemcmp(image, H5HL_MAGIC, (size_t)H5_SIZEOF_MAGIC))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, NULL, "bad local heap signature")
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- if(H5HL_VERSION != *image++)
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, NULL, "wrong version number in local heap")
-
- /* Reserved */
- image += 3;
-
/* Allocate space in memory for the heap */
if(NULL == (heap = H5HL__new(udata->sizeof_size, udata->sizeof_addr, udata->sizeof_prfx)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate local heap structure");
+ /* Deserialize the heap's header */
+ if(H5HL__hdr_deserialize(heap, (const uint8_t *)image, udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTDECODE, NULL, "can't decode local heap header")
+
/* Allocate the heap prefix */
if(NULL == (prfx = H5HL__prfx_new(heap)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate local heap prefix");
- /* Store the prefix's address & length */
- heap->prfx_addr = udata->prfx_addr;
- heap->prfx_size = udata->sizeof_prfx;
-
- /* Heap data size */
- H5F_DECODE_LENGTH_LEN(image, heap->dblk_size, udata->sizeof_size);
-
- /* Free list head */
- H5F_DECODE_LENGTH_LEN(image, heap->free_block, udata->sizeof_size);
- if((heap->free_block != H5HL_FREE_NULL) && (heap->free_block >= heap->dblk_size))
- HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, NULL, "bad heap free list")
-
- /* Heap data address */
- H5F_addr_decode_len(udata->sizeof_addr, &image, &(heap->dblk_addr));
-
/* Check if heap block exists */
if(heap->dblk_size) {
/* Check if heap data block is contiguous with header */
diff --git a/src/H5Ocache.c b/src/H5Ocache.c
index d398e41..1067b8c 100644
--- a/src/H5Ocache.c
+++ b/src/H5Ocache.c
@@ -84,6 +84,10 @@ static herr_t H5O__cache_chk_serialize(const H5F_t *f, void *image, size_t len,
static herr_t H5O__cache_chk_notify(H5AC_notify_action_t action, void *_thing);
static herr_t H5O__cache_chk_free_icr(void *thing);
+/* Prefix routines */
+static herr_t H5O__prefix_deserialize(const uint8_t *image,
+ H5O_cache_ud_t *udata);
+
/* Chunk routines */
static herr_t H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len,
const uint8_t *image, H5O_common_cache_ud_t *udata, hbool_t *dirty);
@@ -198,13 +202,11 @@ H5O__cache_get_initial_load_size(void H5_ATTR_UNUSED *_udata, size_t *image_len)
*-------------------------------------------------------------------------
*/
static herr_t
-H5O__cache_get_final_load_size(const void *_image, size_t image_len,
+H5O__cache_get_final_load_size(const void *image, size_t image_len,
void *_udata, size_t *actual_len)
{
- const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
H5O_cache_ud_t *udata = (H5O_cache_ud_t *)_udata; /* User data for callback */
- H5O_t *oh = NULL; /* Object header read in */
- htri_t ret_value = SUCCEED; /* Return value */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
@@ -214,136 +216,17 @@ H5O__cache_get_final_load_size(const void *_image, size_t image_len,
HDassert(actual_len);
HDassert(*actual_len == image_len);
- /* Allocate space for the new object header data structure */
- if(NULL == (oh = H5FL_CALLOC(H5O_t)))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTALLOC, FAIL, "memory allocation failed")
-
- /* File-specific, non-stored information */
- oh->sizeof_size = H5F_SIZEOF_SIZE(udata->common.f);
- oh->sizeof_addr = H5F_SIZEOF_ADDR(udata->common.f);
-
- /* Check for presence of magic number */
- /* (indicates version 2 or later) */
- if(!HDmemcmp(image, H5O_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC)) {
- /* Magic number */
- image += H5_SIZEOF_MAGIC;
-
- /* Version */
- oh->version = *image++;
- if(H5O_VERSION_2 != oh->version)
- HGOTO_ERROR(H5E_OHDR, H5E_VERSION, FAIL, "bad object header version number")
-
- /* Flags */
- oh->flags = *image++;
- if(oh->flags & ~H5O_HDR_ALL_FLAGS)
- HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "unknown object header status flag(s)")
-
- /* Number of links to object (unless overridden by refcount message) */
- oh->nlink = 1;
-
- /* Time fields */
- if(oh->flags & H5O_HDR_STORE_TIMES) {
- uint32_t tmp; /* Temporary value */
-
- UINT32DECODE(image, tmp);
- oh->atime = (time_t)tmp;
- UINT32DECODE(image, tmp);
- oh->mtime = (time_t)tmp;
- UINT32DECODE(image, tmp);
- oh->ctime = (time_t)tmp;
- UINT32DECODE(image, tmp);
- oh->btime = (time_t)tmp;
- } /* end if */
- else
- oh->atime = oh->mtime = oh->ctime = oh->btime = 0;
-
- /* Attribute fields */
- if(oh->flags & H5O_HDR_ATTR_STORE_PHASE_CHANGE) {
- UINT16DECODE(image, oh->max_compact);
- UINT16DECODE(image, oh->min_dense);
- if(oh->max_compact < oh->min_dense)
- HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header attribute phase change values")
- } /* end if */
- else {
- oh->max_compact = H5O_CRT_ATTR_MAX_COMPACT_DEF;
- oh->min_dense = H5O_CRT_ATTR_MIN_DENSE_DEF;
- } /* end else */
-
- /* First chunk size */
- switch(oh->flags & H5O_HDR_CHUNK0_SIZE) {
- case 0: /* 1 byte size */
- udata->chunk0_size = *image++;
- break;
-
- case 1: /* 2 byte size */
- UINT16DECODE(image, udata->chunk0_size);
- break;
-
- case 2: /* 4 byte size */
- UINT32DECODE(image, udata->chunk0_size);
- break;
-
- case 3: /* 8 byte size */
- UINT64DECODE(image, udata->chunk0_size);
- break;
-
- default:
- HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad size for chunk 0")
- } /* end switch */
- if(udata->chunk0_size > 0 && udata->chunk0_size < H5O_SIZEOF_MSGHDR_OH(oh))
- HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header chunk size")
- } /* end if */
- else {
- /* Version */
- oh->version = *image++;
- if(H5O_VERSION_1 != oh->version)
- HGOTO_ERROR(H5E_OHDR, H5E_VERSION, FAIL, "bad object header version number")
-
- /* Flags */
- oh->flags = H5O_CRT_OHDR_FLAGS_DEF;
-
- /* Reserved */
- image++;
-
- /* Number of messages */
- UINT16DECODE(image, udata->v1_pfx_nmesgs);
-
- /* Link count */
- UINT32DECODE(image, oh->nlink);
-
- /* Reset unused time fields */
- oh->atime = oh->mtime = oh->ctime = oh->btime = 0;
-
- /* Reset unused attribute fields */
- oh->max_compact = 0;
- oh->min_dense = 0;
-
- /* First chunk size */
- UINT32DECODE(image, udata->chunk0_size);
- if((udata->v1_pfx_nmesgs > 0 && udata->chunk0_size < H5O_SIZEOF_MSGHDR_OH(oh)) ||
- (udata->v1_pfx_nmesgs == 0 && udata->chunk0_size > 0))
- HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header chunk size")
-
- /* Reserved, in version 1 (for 8-byte alignment padding) */
- image += 4;
- } /* end else */
+ /* Deserialize the object header prefix */
+ if(H5O__prefix_deserialize((const uint8_t *)image, udata) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, FAIL, "can't deserialize object header prefix")
- /* Determine object header prefix length */
- HDassert((size_t)((const uint8_t *)image - (const uint8_t *)_image) == (size_t)(H5O_SIZEOF_HDR(oh) - H5O_SIZEOF_CHKSUM_OH(oh)));
+ /* Sanity check */
+ HDassert(udata->oh);
/* Set the final size for the cache image */
- *actual_len = udata->chunk0_size + (size_t)H5O_SIZEOF_HDR(oh);
-
- /* Save the object header for later use in 'deserialize' callback */
- udata->oh = oh;
- oh = NULL;
+ *actual_len = udata->chunk0_size + (size_t)H5O_SIZEOF_HDR(udata->oh);
done:
- /* Release the [possibly partially initialized] object header on errors */
- if(ret_value < 0 && oh)
- if(H5O__free(oh) < 0)
- HDONE_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "unable to destroy object header data")
-
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O__cache_get_final_load_size() */
@@ -413,12 +296,11 @@ H5O__cache_verify_chksum(const void *_image, size_t len, void *_udata)
*-------------------------------------------------------------------------
*/
static void *
-H5O__cache_deserialize(const void *_image, size_t len, void *_udata,
+H5O__cache_deserialize(const void *image, size_t len, void *_udata,
hbool_t *dirty)
{
- H5O_t *oh; /* Object header read in */
+ H5O_t *oh = NULL; /* Object header read in */
H5O_cache_ud_t *udata = (H5O_cache_ud_t *)_udata; /* User data for callback */
- const uint8_t *image = (const uint8_t *)_image; /* Pointer into buffer to decode */
void * ret_value = NULL; /* Return value */
FUNC_ENTER_STATIC
@@ -427,11 +309,24 @@ H5O__cache_deserialize(const void *_image, size_t len, void *_udata,
HDassert(image);
HDassert(len > 0);
HDassert(udata);
- HDassert(udata->oh);
HDassert(udata->common.f);
HDassert(udata->common.cont_msg_info);
HDassert(dirty);
+ /* Check for partially deserialized object header */
+ /* (Object header prefix will be deserialized if the object header came
+ * through the 'get_final_load_size' callback and not deserialized if
+ * the object header is coming from a cache image - QAK, 2016/12/14)
+ */
+ if(NULL == udata->oh) {
+ /* Deserialize the object header prefix */
+ if(H5O__prefix_deserialize((const uint8_t *)image, udata) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "can't deserialize object header prefix")
+
+ /* Sanity check */
+ HDassert(udata->oh);
+ } /* end if */
+
/* Retrieve partially deserialized object header from user data */
oh = udata->oh;
@@ -448,7 +343,7 @@ H5O__cache_deserialize(const void *_image, size_t len, void *_udata,
oh->proxy = NULL;
/* Parse the first chunk */
- if(H5O__chunk_deserialize(oh, udata->common.addr, udata->chunk0_size, (const uint8_t *)_image, &(udata->common), dirty) < 0)
+ if(H5O__chunk_deserialize(oh, udata->common.addr, udata->chunk0_size, (const uint8_t *)image, &(udata->common), dirty) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "can't deserialize first object header chunk")
/* Note that we've loaded the object header from the file */
@@ -717,11 +612,7 @@ H5O__cache_notify(H5AC_notify_action_t action, void *_thing)
break;
default:
-#ifdef NDEBUG
HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "unknown action from metadata cache")
-#else /* NDEBUG */
- HDassert(0 && "Unknown action?!?");
-#endif /* NDEBUG */
} /* end switch */
done:
@@ -1228,6 +1119,163 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5O__prefix_deserialize()
+ *
+ * Purpose: Deserialize an object header prefix
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL
+ *
+ * Programmer: Quincey Koziol
+ * December 14, 2016
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O__prefix_deserialize(const uint8_t *_image, H5O_cache_ud_t *udata)
+{
+ const uint8_t *image = (const uint8_t *)_image; /* Pointer into raw data buffer */
+ H5O_t *oh = NULL; /* Object header read in */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Check arguments */
+ HDassert(image);
+ HDassert(udata);
+
+ /* Allocate space for the new object header data structure */
+ if(NULL == (oh = H5FL_CALLOC(H5O_t)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTALLOC, FAIL, "memory allocation failed")
+
+ /* File-specific, non-stored information */
+ oh->sizeof_size = H5F_SIZEOF_SIZE(udata->common.f);
+ oh->sizeof_addr = H5F_SIZEOF_ADDR(udata->common.f);
+
+ /* Check for presence of magic number */
+ /* (indicates version 2 or later) */
+ if(!HDmemcmp(image, H5O_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC)) {
+ /* Magic number */
+ image += H5_SIZEOF_MAGIC;
+
+ /* Version */
+ oh->version = *image++;
+ if(H5O_VERSION_2 != oh->version)
+ HGOTO_ERROR(H5E_OHDR, H5E_VERSION, FAIL, "bad object header version number")
+
+ /* Flags */
+ oh->flags = *image++;
+ if(oh->flags & ~H5O_HDR_ALL_FLAGS)
+ HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "unknown object header status flag(s)")
+
+ /* Number of links to object (unless overridden by refcount message) */
+ oh->nlink = 1;
+
+ /* Time fields */
+ if(oh->flags & H5O_HDR_STORE_TIMES) {
+ uint32_t tmp; /* Temporary value */
+
+ UINT32DECODE(image, tmp);
+ oh->atime = (time_t)tmp;
+ UINT32DECODE(image, tmp);
+ oh->mtime = (time_t)tmp;
+ UINT32DECODE(image, tmp);
+ oh->ctime = (time_t)tmp;
+ UINT32DECODE(image, tmp);
+ oh->btime = (time_t)tmp;
+ } /* end if */
+ else
+ oh->atime = oh->mtime = oh->ctime = oh->btime = 0;
+
+ /* Attribute fields */
+ if(oh->flags & H5O_HDR_ATTR_STORE_PHASE_CHANGE) {
+ UINT16DECODE(image, oh->max_compact);
+ UINT16DECODE(image, oh->min_dense);
+ if(oh->max_compact < oh->min_dense)
+ HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header attribute phase change values")
+ } /* end if */
+ else {
+ oh->max_compact = H5O_CRT_ATTR_MAX_COMPACT_DEF;
+ oh->min_dense = H5O_CRT_ATTR_MIN_DENSE_DEF;
+ } /* end else */
+
+ /* First chunk size */
+ switch(oh->flags & H5O_HDR_CHUNK0_SIZE) {
+ case 0: /* 1 byte size */
+ udata->chunk0_size = *image++;
+ break;
+
+ case 1: /* 2 byte size */
+ UINT16DECODE(image, udata->chunk0_size);
+ break;
+
+ case 2: /* 4 byte size */
+ UINT32DECODE(image, udata->chunk0_size);
+ break;
+
+ case 3: /* 8 byte size */
+ UINT64DECODE(image, udata->chunk0_size);
+ break;
+
+ default:
+ HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad size for chunk 0")
+ } /* end switch */
+ if(udata->chunk0_size > 0 && udata->chunk0_size < H5O_SIZEOF_MSGHDR_OH(oh))
+ HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header chunk size")
+ } /* end if */
+ else {
+ /* Version */
+ oh->version = *image++;
+ if(H5O_VERSION_1 != oh->version)
+ HGOTO_ERROR(H5E_OHDR, H5E_VERSION, FAIL, "bad object header version number")
+
+ /* Flags */
+ oh->flags = H5O_CRT_OHDR_FLAGS_DEF;
+
+ /* Reserved */
+ image++;
+
+ /* Number of messages */
+ UINT16DECODE(image, udata->v1_pfx_nmesgs);
+
+ /* Link count */
+ UINT32DECODE(image, oh->nlink);
+
+ /* Reset unused time fields */
+ oh->atime = oh->mtime = oh->ctime = oh->btime = 0;
+
+ /* Reset unused attribute fields */
+ oh->max_compact = 0;
+ oh->min_dense = 0;
+
+ /* First chunk size */
+ UINT32DECODE(image, udata->chunk0_size);
+ if((udata->v1_pfx_nmesgs > 0 && udata->chunk0_size < H5O_SIZEOF_MSGHDR_OH(oh)) ||
+ (udata->v1_pfx_nmesgs == 0 && udata->chunk0_size > 0))
+ HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "bad object header chunk size")
+
+ /* Reserved, in version 1 (for 8-byte alignment padding) */
+ image += 4;
+ } /* end else */
+
+ /* Verify object header prefix length */
+ HDassert((size_t)(image - _image) == (size_t)(H5O_SIZEOF_HDR(oh) - H5O_SIZEOF_CHKSUM_OH(oh)));
+
+ /* Save the object header for later use in 'deserialize' callback */
+ udata->oh = oh;
+ oh = NULL;
+
+done:
+ /* Release the [possibly partially initialized] object header on errors */
+ if(ret_value < 0 && oh)
+ if(H5O__free(oh) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "unable to destroy object header data")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O__prefix_deserialize() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5O__chunk_deserialize
*
* Purpose: Deserialize a chunk for an object header