diff options
Diffstat (limited to 'src/H5O.c')
-rw-r--r-- | src/H5O.c | 665 |
1 files changed, 8 insertions, 657 deletions
@@ -38,12 +38,10 @@ #include "H5Fpkg.h" /* File access */ #include "H5FLprivate.h" /* Free lists */ #include "H5Iprivate.h" /* IDs */ -#include "H5Lprivate.h" /* Links */ #include "H5MFprivate.h" /* File memory management */ #include "H5MMprivate.h" /* Memory management */ #include "H5Opkg.h" /* Object headers */ #include "H5SMprivate.h" /* Shared object header messages */ -#include "H5Tprivate.h" /* Datatypes */ #ifdef H5_HAVE_GETTIMEOFDAY #include <sys/time.h> @@ -173,10 +171,6 @@ static herr_t H5O_iterate_real(const H5O_loc_t *loc, const H5O_msg_class_t *type H5AC_protect_t prot, hbool_t internal, H5O_mesg_operator_t op, void *op_data, hid_t dxpl_id); static const H5O_obj_class_t *H5O_obj_class(H5O_loc_t *loc, hid_t dxpl_id); static H5G_obj_t H5O_obj_type_real(H5O_t *oh); -static const H5O_obj_class_t *H5O_obj_class_real(H5O_t *oh); -static herr_t H5O_copy_header_real(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */, - hid_t dxpl_id, H5O_copy_t *cpy_info); -static herr_t H5O_copy_free_addrmap_cb(void *item, void *key, void *op_data); /*********************/ /* Package Variables */ @@ -4165,8 +4159,7 @@ H5O_is_shared(unsigned type_id, const void *mesg) *------------------------------------------------------------------------- */ herr_t -H5O_set_share(H5F_t *f, hid_t dxpl_id, H5O_shared_t *share, - unsigned type_id, void *mesg) +H5O_set_share(H5F_t *f, H5O_shared_t *share, unsigned type_id, void *mesg) { const H5O_msg_class_t *type; /* Actual H5O class type for the ID */ herr_t ret_value; /* Return value */ @@ -4857,13 +4850,13 @@ done: * *------------------------------------------------------------------------- */ -static const H5O_obj_class_t * +const H5O_obj_class_t * H5O_obj_class_real(H5O_t *oh) { size_t i; /* Local index variable */ const H5O_obj_class_t *ret_value; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT(H5O_obj_class_real) + FUNC_ENTER_NOAPI(H5O_obj_class_real, NULL) /* Sanity check */ HDassert(oh); @@ -5083,591 +5076,6 @@ done: /*------------------------------------------------------------------------- - * Function: H5O_copy_header_real - * - * Purpose: Copy header object from one location to another using - * pre-copy, copy, and post-copy callbacks for each message - * type. - * - * The source header object is compressed into a single chunk - * (since we know how big it is) and any continuation messages - * are converted into NULL messages. - * - * By default, NULL messages are not copied. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Peter Cao - * May 30, 2005 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5O_copy_header_real(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */, - hid_t dxpl_id, H5O_copy_t *cpy_info) -{ - H5O_addr_map_t *addr_map = NULL; /* Address mapping of object copied */ - H5O_t *oh_src = NULL; /* Object header for source object */ - H5O_t *oh_dst = NULL; /* Object header for destination object */ - unsigned chunkno = 0, mesgno = 0; - haddr_t addr_new = HADDR_UNDEF; - hbool_t *deleted = NULL; /* Array of flags indicating whether messages should be copied */ - size_t null_msgs; /* Number of NULL messages found in each loop */ - H5O_mesg_t *mesg_src; /* Message in source object header */ - H5O_mesg_t *mesg_dst; /* Message in source object header */ - const H5O_msg_class_t *copy_type; /* Type of message to use for copying */ - const H5O_obj_class_t *obj_class = NULL; /* Type of object we are copying */ - void *udata = NULL; /* User data for passing to message - callbacks */ - size_t dst_oh_size; /* Total size of the destination OH */ - uint8_t *current_pos; /* Current position in destination image */ - size_t msghdr_size; - herr_t ret_value = SUCCEED; - - FUNC_ENTER_NOAPI_NOINIT(H5O_copy_header_real) - - HDassert(oloc_src); - HDassert(oloc_src->file); - HDassert(H5F_addr_defined(oloc_src->addr)); - HDassert(oloc_dst->file); - HDassert(cpy_info); - - /* Get source object header */ - if(NULL == (oh_src = H5AC_protect(oloc_src->file, dxpl_id, H5AC_OHDR, oloc_src->addr, NULL, NULL, H5AC_READ))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header") - - /* Get pointer to object class for this object */ - if(NULL == (obj_class = H5O_obj_class_real(oh_src))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to determine object type") - - /* Retrieve user data for particular type of object to copy */ - if(obj_class->get_copy_file_udata && - (NULL == (udata = (obj_class->get_copy_file_udata)()))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to retrieve copy user data") - - /* Flush any dirty messages in source object header to update the header chunks */ - if(H5O_flush_msgs(oloc_src->file, oh_src) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object header messages") - - /* Allocate the destination object header and fill in header fields */ - if(NULL == (oh_dst = H5FL_MALLOC(H5O_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - - /* Initialize header information */ - oh_dst->version = oh_src->version; - oh_dst->nlink = 0; - - /* Initialize size of chunk array. The destination always has only one - * chunk. - */ - oh_dst->alloc_nchunks = oh_dst->nchunks = 1; - - /* Allocate memory for the chunk array */ - if(NULL == (oh_dst->chunk = H5FL_SEQ_MALLOC(H5O_chunk_t, oh_dst->alloc_nchunks))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - - /* Allocate memory for "deleted" array. This array marks the message in - * the source that shouldn't be copied to the destination. - */ - if(NULL == (deleted = HDmalloc(sizeof(hbool_t) * oh_src->nmesgs))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - HDmemset(deleted, FALSE, sizeof(hbool_t) * oh_src->nmesgs); - - /* "pre copy" pass over messages, to gather information for actual message copy operation - * (for messages which depend on information from other messages) - * Keep track of how many NULL or deleted messages we find (or create) - */ - null_msgs = 0; - for(mesgno = 0; mesgno < oh_src->nmesgs; mesgno++) { - /* Set up convenience variables */ - mesg_src = &(oh_src->mesg[mesgno]); - mesg_dst = &(oh_dst->mesg[mesgno]); - - /* Sanity check */ - HDassert(!mesg_src->dirty); /* Should be cleared by earlier call to flush messages */ - - /* Check for shared message to operate on */ - if(mesg_src->flags & H5O_FLAG_SHARED) - copy_type = H5O_MSG_SHARED; - else - copy_type = mesg_src->type; - - /* Check for continuation message; these are converted to NULL - * messages because the destination OH will have only one chunk - */ - if(H5O_CONT_ID == mesg_src->type->id || H5O_NULL_ID == mesg_src->type->id) { - deleted[mesgno] = TRUE; - ++null_msgs; - copy_type = H5O_MSG_NULL; - } - HDassert(copy_type); - - if(copy_type->pre_copy_file ) { - /* - * Decode the message if necessary. If the message is shared then do - * a shared message, ignoring the message type. - */ - if(NULL == mesg_src->native) { - /* Decode the message if necessary */ - HDassert(copy_type->decode); - if(NULL == (mesg_src->native = (copy_type->decode)(oloc_src->file, dxpl_id, mesg_src->raw))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, FAIL, "unable to decode a message") - } /* end if (NULL == mesg_src->native) */ - - /* Perform "pre copy" operation on message */ - if((copy_type->pre_copy_file)(oloc_src->file, mesg_src->type, mesg_src->native, &(deleted[mesgno]), cpy_info, udata) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to perform 'pre copy' operation on message") - - /* Check if the message should be deleted in the destination */ - if(deleted[mesgno]) { - /* Mark message as deleted */ - ++null_msgs; - } /* end if(deleted) */ - } /* end if(copy_type->pre_copy_file) */ - } /* end for */ - - /* Initialize size of message list. It may or may not include the NULL messages - * detected above. - */ - if(cpy_info->preserve_null) - oh_dst->alloc_nmesgs = oh_dst->nmesgs = oh_src->nmesgs; - else - oh_dst->alloc_nmesgs = oh_dst->nmesgs = (oh_src->nmesgs - null_msgs); - - /* Allocate memory for destination message array */ - if(oh_dst->alloc_nmesgs > 0) { - if(NULL == (oh_dst->mesg = H5FL_SEQ_CALLOC(H5O_mesg_t, oh_dst->alloc_nmesgs))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - } - - /* "copy" pass over messages, to perform main message copying */ - null_msgs = 0; - for(mesgno = 0; mesgno < oh_dst->nmesgs; mesgno++) { - /* Skip any deleted or NULL messages in the source unless the - * preserve_null flag is set - */ - if(FALSE == cpy_info->preserve_null) { - while(deleted[mesgno + null_msgs]) { - ++null_msgs; - HDassert(mesgno + null_msgs < oh_src->nmesgs); - } - } - - /* Set up convenience variables */ - mesg_src = &(oh_src->mesg[mesgno + null_msgs]); - mesg_dst = &(oh_dst->mesg[mesgno]); - - /* Initialize on destination message */ - mesg_dst->chunkno = 0; - mesg_dst->dirty = FALSE; - mesg_dst->flags = mesg_src->flags; - mesg_dst->native = NULL; - mesg_dst->raw = NULL; - mesg_dst->raw_size = mesg_src->raw_size; - mesg_dst->type = mesg_src->type; - - /* If we're preserving deleted messages, set their types to 'NULL' - * in the destination. - */ - if(cpy_info->preserve_null && deleted[mesgno]) { - mesg_dst->type = H5O_MSG_NULL; - } - - /* Check for shared message to operate on */ - /* (Use destination message, in case the message has been removed (i.e - * converted to a nil message) in the destination -QAK) - */ - if(mesg_dst->flags & H5O_FLAG_SHARED) - copy_type = H5O_MSG_SHARED; - else - copy_type = mesg_dst->type; - HDassert(copy_type); - - /* copy this message into destination file */ - if(copy_type->copy_file) { - /* - * Decode the message if necessary. If the message is shared then do - * a shared message, ignoring the message type. - */ - if(NULL == mesg_src->native) { - /* Decode the message if necessary */ - HDassert(copy_type->decode); - if(NULL == (mesg_src->native = (copy_type->decode)(oloc_src->file, dxpl_id, mesg_src->raw))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, FAIL, "unable to decode a message") - } /* end if (NULL == mesg_src->native) */ - - /* Copy the source message */ - if((mesg_dst->native = H5O_copy_mesg_file(copy_type, mesg_dst->type, - oloc_src->file, mesg_src->native, oloc_dst->file, dxpl_id, - cpy_info, udata)) == NULL) - HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object header message") - - /* Mark the message in the destination as dirty, so it'll get encoded when the object header is flushed */ - mesg_dst->dirty = TRUE; - } /* end if (mesg_src->type->copy_file) */ - } /* end of mesgno loop */ - - - /* Allocate the destination header and copy any messages that didn't have - * copy callbacks. They get copied directly from the source image to the - * destination image. - */ - - /* Calculate how big the destination object header will be on disk. - * This isn't necessarily the same size as the original. - */ - dst_oh_size = H5O_SIZEOF_HDR_OH(oh_dst); - - /* Add space for messages. */ - for(mesgno = 0; mesgno < oh_dst->nmesgs; mesgno++) { - dst_oh_size += H5O_SIZEOF_MSGHDR_OH(oh_dst); - dst_oh_size += H5O_ALIGN_OH(oh_dst, oh_dst->mesg[mesgno].raw_size); - } - - /* Allocate space for chunk in destination file */ - if(HADDR_UNDEF == (oh_dst->chunk[0].addr = H5MF_alloc(oloc_dst->file, H5FD_MEM_OHDR, dxpl_id, (hsize_t)dst_oh_size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for object header") - addr_new = oh_dst->chunk[0].addr; - - /* Create memory image for the new chunk */ - if(NULL == (oh_dst->chunk[0].image = H5FL_BLK_MALLOC(chunk_image, dst_oh_size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - - /* Set dest. chunk information */ - oh_dst->chunk[0].dirty = TRUE; - oh_dst->chunk[0].size = dst_oh_size; - oh_dst->chunk[0].gap = 0; - - /* Set up raw pointers and copy messages that didn't need special - * treatment. This has to happen after the destination header has been - * allocated. - */ - HDassert(H5O_SIZEOF_HDR_OH(oh_src) == H5O_SIZEOF_HDR_OH(oh_dst)); - HDassert(H5O_SIZEOF_MSGHDR_OH(oh_src) == H5O_SIZEOF_MSGHDR_OH(oh_dst)); - msghdr_size = H5O_SIZEOF_MSGHDR_OH(oh_src); - - current_pos = oh_dst->chunk[0].image; - - /* Copy the message header. Most of this will be overwritten when - * the header is flushed to disk, but later versions have a - * magic number that isn't. - */ - HDmemcpy(current_pos, oh_src->chunk[0].image, - H5O_SIZEOF_HDR_OH(oh_dst) - H5O_SIZEOF_CHKSUM_OH(oh_dst)); - current_pos += H5O_SIZEOF_HDR_OH(oh_dst) - H5O_SIZEOF_CHKSUM_OH(oh_dst); - - /* JAMES: include this in loop above? Doesn't take deleted messages - * into account - */ - /* Copy each message that wasn't dirtied above */ - null_msgs = 0; - for(mesgno = 0; mesgno < oh_dst->nmesgs; mesgno++) { - /* Skip any deleted or NULL messages in the source unless the - * preserve_null flag is set - */ - if(FALSE == cpy_info->preserve_null) { - while(deleted[mesgno + null_msgs]) { - ++null_msgs; - HDassert(mesgno + null_msgs < oh_src->nmesgs); - } - } - - /* Set up convenience variables */ - mesg_src = &(oh_src->mesg[mesgno + null_msgs]); - mesg_dst = &(oh_dst->mesg[mesgno]); - - if(! mesg_dst->dirty) { - /* Copy the message header plus the message's raw data. */ - HDmemcpy(current_pos, mesg_src->raw - msghdr_size, - msghdr_size + mesg_src->raw_size); - } - mesg_dst->raw = current_pos + msghdr_size; - current_pos += mesg_dst->raw_size + msghdr_size; - } - - /* Make sure we filled the chunk, except for room at the end for a checksum */ - HDassert(current_pos + H5O_SIZEOF_CHKSUM_OH(oh_dst) == dst_oh_size + oh_dst->chunk[0].image); - - /* Set the dest. object location to the first chunk address */ - HDassert(H5F_addr_defined(addr_new)); - oloc_dst->addr = addr_new; - - /* Allocate space for the address mapping of the object copied */ - if(NULL == (addr_map = H5FL_MALLOC(H5O_addr_map_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - - /* Insert the address mapping for the new object into the copied list */ - /* (Do this here, because "post copy" possibly checks it) */ - addr_map->src_addr = oloc_src->addr; - addr_map->dst_addr = oloc_dst->addr; - addr_map->is_locked = TRUE; /* We've locked the object currently */ - addr_map->inc_ref_count = 0; /* Start with no additional ref counts to add */ - - if(H5SL_insert(cpy_info->map_list, addr_map, &(addr_map->src_addr)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINSERT, FAIL, "can't insert object into skip list") - - /* "post copy" loop over messages, to fix up any messages which require a complete - * object header for destination object - */ - null_msgs = 0; - for(mesgno = 0; mesgno < oh_dst->nmesgs; mesgno++) { - /* Skip any deleted or NULL messages in the source unless the - * preserve_null flag is set - */ - if(FALSE == cpy_info->preserve_null) { - while(deleted[mesgno + null_msgs]) { - ++null_msgs; - HDassert(mesgno + null_msgs < oh_src->nmesgs); - } - } - - /* Set up convenience variables */ - mesg_src = &(oh_src->mesg[mesgno + null_msgs]); - mesg_dst = &(oh_dst->mesg[mesgno]); - - /* Check for shared message to operate on */ - /* (Use destination message, in case the message has been removed (i.e - * converted to a nil message) in the destination -QAK) - */ - if(mesg_dst->flags & H5O_FLAG_SHARED) - copy_type = H5O_MSG_SHARED; - else - copy_type = mesg_dst->type; - HDassert(copy_type); - - if(copy_type->post_copy_file && mesg_src->native) { - /* Sanity check destination message */ - HDassert(mesg_dst->type == mesg_src->type); - HDassert(mesg_dst->native); - - /* Perform "post copy" operation on message */ - if((copy_type->post_copy_file)(oloc_src, mesg_src->native, oloc_dst, - mesg_dst->native, dxpl_id, cpy_info) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to perform 'post copy' operation on message") - } /* end if */ - } /* end for */ - - /* Indicate that the destination address will no longer be locked */ - addr_map->is_locked = FALSE; - - /* Increment object header's reference count, if any descendents have created links to link to this object */ - if(addr_map->inc_ref_count) { - H5_CHECK_OVERFLOW(addr_map->inc_ref_count, hsize_t, int); - oh_dst->nlink += (int)addr_map->inc_ref_count; - } /* end if */ - - /* Insert destination object header in cache */ - if(H5AC_set(oloc_dst->file, dxpl_id, H5AC_OHDR, oloc_dst->addr, oh_dst, H5AC__DIRTIED_FLAG) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to cache object header") - -done: - /* Free deleted array */ - if(deleted) { - HDfree(deleted); - } - - /* Release pointer to source object header and its derived objects */ - if(oh_src != NULL) { - /* Unprotect the source object header */ - if(H5AC_unprotect(oloc_src->file, dxpl_id, H5AC_OHDR, oloc_src->addr, oh_src, H5AC__NO_FLAGS_SET) < 0) - HDONE_ERROR(H5E_OHDR, H5E_PROTECT, FAIL, "unable to release object header") - } /* end if */ - - /* Release pointer to destination object header */ - if(ret_value < 0 && oh_dst) { - if(H5O_dest(oloc_dst->file, oh_dst) < 0) - HDONE_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to destroy object header data") - } /* end if */ - - /* Release user data for particular type of object to copy */ - if(udata) { - HDassert(obj_class); - HDassert(obj_class->free_copy_file_udata); - (obj_class->free_copy_file_udata)(udata); - } /* end if */ - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5O_copy_header_real() */ - - -/*------------------------------------------------------------------------- - * Function: H5O_copy_header_map - * - * Purpose: Copy header object from one location to another, detecting - * already mapped objects, etc. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * November 1, 2005 - * - *------------------------------------------------------------------------- - */ -herr_t -H5O_copy_header_map(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */, - hid_t dxpl_id, H5O_copy_t *cpy_info, hbool_t inc_depth) -{ - H5O_addr_map_t *addr_map; /* Address mapping of object copied */ - hbool_t inc_link; /* Whether to increment the link count for the object */ - herr_t ret_value = SUCCEED; - - FUNC_ENTER_NOAPI(H5O_copy_header_map, FAIL) - - /* Sanity check */ - HDassert(oloc_src); - HDassert(oloc_dst); - HDassert(oloc_dst->file); - HDassert(cpy_info); - - /* Look up the address of the object to copy in the skip list */ - addr_map = (H5O_addr_map_t *)H5SL_search(cpy_info->map_list, &(oloc_src->addr)); - - /* Check if address is already in list of objects copied */ - if(addr_map == NULL) { - /* Copy object for the first time */ - - /* Check for incrementing the depth of copy */ - /* (Can't do this for all copies, since committed datatypes should always be copied) */ - if(inc_depth) - cpy_info->curr_depth++; - - /* Copy object referred to */ - if(H5O_copy_header_real(oloc_src, oloc_dst, dxpl_id, cpy_info) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object") - - /* Check for incrementing the depth of copy */ - if(inc_depth) - cpy_info->curr_depth--; - - /* When an object is copied for the first time, increment it's link */ - inc_link = TRUE; - - /* indicate that a new object is created */ - ret_value++; - } /* end if */ - else { - /* Object has already been copied, set its address in destination file */ - oloc_dst->addr = addr_map->dst_addr; - - /* If the object is locked currently (because we are copying a group - * hierarchy and this is a link to a group higher in the hierarchy), - * increment it's deferred reference count instead of incrementing the - * reference count now. - */ - if(addr_map->is_locked) { - addr_map->inc_ref_count++; - inc_link = FALSE; - } /* end if */ - else - inc_link = TRUE; - } /* end else */ - - /* Increment destination object's link count, if allowed */ - if(inc_link) - if(H5O_link(oloc_dst, 1, dxpl_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to increment object link count") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5O_copy_header_map() */ - - -/*-------------------------------------------------------------------------- - NAME - H5O_copy_free_addrmap_cb - PURPOSE - Internal routine to free address maps from the skip list for copying objects - USAGE - herr_t H5O_copy_free_addrmap_cb(item, key, op_data) - void *item; IN/OUT: Pointer to addr - void *key; IN/OUT: (unused) - void *op_data; IN: (unused) - RETURNS - Returns zero on success, negative on failure. - DESCRIPTION - Releases the memory for the address. - GLOBAL VARIABLES - COMMENTS, BUGS, ASSUMPTIONS - EXAMPLES - REVISION LOG ---------------------------------------------------------------------------*/ -static herr_t -H5O_copy_free_addrmap_cb(void *item, void UNUSED *key, void UNUSED *op_data) -{ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_copy_free_addrmap_cb) - - HDassert(item); - - /* Release the item */ - H5FL_FREE(H5O_addr_map_t, item); - - FUNC_LEAVE_NOAPI(0) -} /* H5O_copy_free_addrmap_cb() */ - - -/*------------------------------------------------------------------------- - * Function: H5O_copy_header - * - * Purpose: copy header object from one location to another. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Peter Cao - * May 30, 2005 - * - *------------------------------------------------------------------------- - */ -herr_t -H5O_copy_header(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */, - hid_t dxpl_id, unsigned cpy_option) -{ - H5O_copy_t cpy_info; /* Information for copying object */ - herr_t ret_value = SUCCEED; - - FUNC_ENTER_NOAPI(H5O_copy_header, FAIL) - - HDassert(oloc_src); - HDassert(oloc_src->file); - HDassert(H5F_addr_defined(oloc_src->addr)); - HDassert(oloc_dst->file); - - /* Convert copy flags into copy struct */ - HDmemset(&cpy_info, 0, sizeof(H5O_copy_t)); - if((cpy_option & H5O_COPY_SHALLOW_HIERARCHY_FLAG) > 0) { - cpy_info.copy_shallow = TRUE; - cpy_info.max_depth = 1; - } /* end if */ - else - cpy_info.max_depth = -1; /* Current default is for full, recursive hier. copy */ - cpy_info.curr_depth = 0; - if((cpy_option & H5O_COPY_EXPAND_SOFT_LINK_FLAG) > 0) - cpy_info.expand_soft_link = TRUE; - if((cpy_option & H5O_COPY_EXPAND_EXT_LINK_FLAG) > 0) - cpy_info.expand_ext_link = TRUE; - if((cpy_option & H5O_COPY_EXPAND_REFERENCE_FLAG) > 0) - cpy_info.expand_ref = TRUE; - if((cpy_option & H5O_COPY_WITHOUT_ATTR_FLAG) > 0) - cpy_info.copy_without_attr = TRUE; - if((cpy_option & H5O_COPY_PRESERVE_NULL_FLAG) > 0) - cpy_info.preserve_null = TRUE; - - /* Create a skip list to keep track of which objects are copied */ - if((cpy_info.map_list = H5SL_create(H5SL_TYPE_HADDR, 0.5, (size_t)16)) == NULL) - HGOTO_ERROR(H5E_SLIST, H5E_CANTCREATE, FAIL, "cannot make skip list") - - /* copy the object from the source file to the destination file */ - if(H5O_copy_header_real(oloc_src, oloc_dst, dxpl_id, &cpy_info) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object") - -done: - if(cpy_info.map_list) - H5SL_destroy(cpy_info.map_list, H5O_copy_free_addrmap_cb, NULL); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5O_copy_header() */ - - -/*------------------------------------------------------------------------- * Function: H5O_mesg_hash * * Purpose: Returns a hash value for an object header message. @@ -5688,7 +5096,7 @@ H5O_mesg_hash(unsigned type_id, H5F_t *f, const void *mesg) uint32_t hash; uint32_t ret_value; - FUNC_ENTER_NOAPI(H5O_mesg_hash, FAIL) + FUNC_ENTER_NOAPI(H5O_mesg_hash, H5O_HASH_UNDEF) /* Check args */ HDassert(type_id < NELMTS(H5O_msg_class_g)); @@ -5697,17 +5105,17 @@ H5O_mesg_hash(unsigned type_id, H5F_t *f, const void *mesg) /* Find out the size of buffer needed */ if((buf_size = H5O_raw_size(type_id, f, mesg)) <= 0) - HGOTO_ERROR(H5E_OHDR, H5E_BADSIZE, FAIL, "can't find message size"); + HGOTO_ERROR(H5E_OHDR, H5E_BADSIZE, H5O_HASH_UNDEF, "can't find message size"); /* JAMES: revisit this! Some messages don't use as much space as they say * they need. Quincey may have fixed this. */ if((buf = HDmalloc(buf_size)) == NULL) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate buffer for message"); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, H5O_HASH_UNDEF, "can't allocate buffer for message"); HDmemset(buf, 0, buf_size); if(H5O_encode(f, buf, mesg, type_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "can't encode OH message"); + HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, H5O_HASH_UNDEF, "can't encode OH message"); /* * Compute the hash value for this message. type_id is used here to @@ -5724,70 +5132,13 @@ H5O_mesg_hash(unsigned type_id, H5F_t *f, const void *mesg) hash = (uint32_t) 1; ret_value = hash; + done: if(buf) HDfree(buf); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_mesg_hash() */ - -/*------------------------------------------------------------------------- - * 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() */ - - - #ifdef H5O_DEBUG /*------------------------------------------------------------------------- |