diff options
Diffstat (limited to 'src/H5Olayout.c')
| -rw-r--r-- | src/H5Olayout.c | 127 |
1 files changed, 120 insertions, 7 deletions
diff --git a/src/H5Olayout.c b/src/H5Olayout.c index 4a6fdfe..3103053 100644 --- a/src/H5Olayout.c +++ b/src/H5Olayout.c @@ -18,16 +18,18 @@ * Purpose: Messages related to data layout. */ +#define H5D_PACKAGE /*suppress error about including H5Dpkg */ #define H5O_PACKAGE /*suppress error about including H5Opkg */ -#include "H5private.h" -#include "H5Dprivate.h" -#include "H5Eprivate.h" -#include "H5FLprivate.h" /*Free Lists */ +#include "H5private.h" /* Generic Functions */ +#include "H5Dpkg.h" /* Dataset functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5FLprivate.h" /* Free Lists */ #include "H5MFprivate.h" /* File space management */ -#include "H5MMprivate.h" -#include "H5Opkg.h" /* Object header functions */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Opkg.h" /* Object headers */ +#include "H5Pprivate.h" /* Property lists */ /* PRIVATE PROTOTYPES */ static void *H5O_layout_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p, H5O_shared_t *sh); @@ -37,6 +39,8 @@ static size_t H5O_layout_size(const H5F_t *f, const void *_mesg); static herr_t H5O_layout_reset(void *_mesg); static herr_t H5O_layout_free(void *_mesg); static herr_t H5O_layout_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link); +static void *H5O_layout_copy_file(H5F_t *file_src, void *mesg_src, + H5F_t *file_dst, hid_t dxpl_id, H5SL_t *map_list, void *udata); static herr_t H5O_layout_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth); @@ -55,7 +59,9 @@ const H5O_class_t H5O_LAYOUT[1] = {{ NULL, /* link method */ NULL, /*get share method */ NULL, /*set share method */ - H5O_layout_debug, /*debug the message */ + H5O_layout_copy_file, /* copy native value to file */ + NULL, /* post copy native value to file */ + H5O_layout_debug /*debug the message */ }}; /* For forward and backward compatibility. Version is 1 when space is @@ -599,6 +605,113 @@ done: /*------------------------------------------------------------------------- + * Function: H5O_layout_copy_file + * + * Purpose: Copies a data layout message from _MESG to _DEST in file + * + * Return: Success: Ptr to _DEST + * + * Failure: NULL + * + * Programmer: Peter Cao + * July 23, 2005 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static void * +H5O_layout_copy_file(H5F_t *file_src, void *mesg_src, + H5F_t *file_dst, hid_t dxpl_id, H5SL_t UNUSED *map_list, void UNUSED *_udata) +{ + H5O_layout_t *layout_src = (H5O_layout_t *) mesg_src; + H5O_layout_t *layout_dst = NULL; + void *ret_value; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5O_layout_copy_file) + + /* check args */ + HDassert(layout_src); + HDassert(file_dst); + + /* Allocate space for the destination layout */ + if(NULL == (layout_dst = H5FL_MALLOC(H5O_layout_t))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") + + /* Copy the "top level" information */ + HDmemcpy(layout_dst, layout_src, sizeof(H5O_layout_t)); + + /* Copy the layout type specific information */ + switch(layout_src->type) { + case H5D_COMPACT: + if(layout_src->u.compact.buf) { + if(NULL == (layout_dst->u.compact.buf = H5MM_malloc(layout_src->u.compact.size))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "unable to allocate memory for compact dataset") + HDmemcpy(layout_dst->u.compact.buf, layout_src->u.compact.buf, layout_src->u.compact.size); + layout_dst->u.compact.dirty = TRUE; + } + break; + + case H5D_CONTIGUOUS: + if(H5F_addr_defined(layout_src->u.contig.addr)) { + haddr_t addr_src, addr_dst; + unsigned DRAW_BUF_SIZE = 4096; + uint8_t buf[4096]; + size_t nbytes=0, total_nbytes=0; + + /* create layout */ + if(H5D_contig_create (file_dst, dxpl_id, layout_dst)<0) + HGOTO_ERROR(H5E_IO, H5E_CANTINIT, NULL, "unable to initialize contiguous storage") + + /* copy raw data*/ + nbytes = total_nbytes = 0; + while(total_nbytes < layout_src->u.contig.size) { + addr_src = layout_src->u.contig.addr + total_nbytes; + addr_dst = layout_dst->u.contig.addr + total_nbytes; + + nbytes = layout_src->u.contig.size-total_nbytes; + if(nbytes > DRAW_BUF_SIZE) + nbytes = DRAW_BUF_SIZE; + total_nbytes += nbytes; + + if(H5F_block_read(file_src, H5FD_MEM_DRAW, addr_src, nbytes, H5P_DATASET_XFER_DEFAULT, buf)<0) + HGOTO_ERROR(H5E_SYM, H5E_READERROR, NULL, "unable to read raw data") + + if(H5F_block_write(file_dst, H5FD_MEM_DRAW, addr_dst, nbytes, H5P_DATASET_XFER_DEFAULT, buf)<0) + HGOTO_ERROR(H5E_SYM, H5E_READERROR, NULL, "unable to write raw data") + } + } /* if ( H5F_addr_defined(layout_src->u.contig.addr)) */ + break; + + case H5D_CHUNKED: + if(H5F_addr_defined(layout_src->u.chunk.addr)) { + + /* layout is not created in the destination file, undef btree address */ + layout_dst->u.chunk.addr = HADDR_UNDEF; + + /* create chunked layout */ + if(H5D_istore_copy(file_src, layout_src, file_dst, layout_dst, dxpl_id) < 0) + HGOTO_ERROR(H5E_IO, H5E_CANTINIT, NULL, "unable to copy chunked storage") + } /* if ( H5F_addr_defined(layout_srct->u.chunk.addr)) */ + break; + + default: + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "Invalid layout class"); + } /* end switch */ + + /* Set return value */ + ret_value=layout_dst; + +done: + if(!ret_value) + if(layout_dst) + H5FL_FREE(H5O_layout_t, layout_dst); + + FUNC_LEAVE_NOAPI(ret_value) +} + + +/*------------------------------------------------------------------------- * Function: H5O_layout_debug * * Purpose: Prints debugging info for a message. |