/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the files COPYING and Copyright.html. COPYING can be found at the root * * of the source code distribution tree; Copyright.html can be found at the * * root level of an installed copy of the electronic HDF5 document set and * * is linked from the top-level documents page. It can also be found at * * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* Programmer: Robb Matzke * Wednesday, October 8, 1997 * * 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" /* 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" /* Memory management */ #include "H5Opkg.h" /* Object headers */ #include "H5Pprivate.h" /* Property lists */ /* Local macros */ /* PRIVATE PROTOTYPES */ static void *H5O_layout_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, const uint8_t *p); static herr_t H5O_layout_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg); static void *H5O_layout_copy(const void *_mesg, void *_dest); static size_t H5O_layout_size(const H5F_t *f, hbool_t disable_shared, 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, H5O_t *open_oh, void *_mesg); static void *H5O_layout_copy_file(H5F_t *file_src, void *mesg_src, H5F_t *file_dst, hbool_t *recompute_size, unsigned *mesg_flags, H5O_copy_t *cpy_info, void *udata, hid_t dxpl_id); static herr_t H5O_layout_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth); /* This message derives from H5O message class */ const H5O_msg_class_t H5O_MSG_LAYOUT[1] = {{ H5O_LAYOUT_ID, /*message id number */ "layout", /*message name for debugging */ sizeof(H5O_layout_t), /*native message size */ 0, /* messages are sharable? */ H5O_layout_decode, /*decode message */ H5O_layout_encode, /*encode message */ H5O_layout_copy, /*copy the native value */ H5O_layout_size, /*size of message on disk */ H5O_layout_reset, /*reset method */ H5O_layout_free, /*free the struct */ H5O_layout_delete, /* file delete method */ NULL, /* link method */ NULL, /*set share method */ NULL, /*can share method */ NULL, /* pre copy native value to file */ H5O_layout_copy_file, /* copy native value to file */ NULL, /* post copy native value to file */ NULL, /* get creation index */ NULL, /* set creation index */ H5O_layout_debug /*debug the message */ }}; /* Declare a free list to manage the H5O_layout_t struct */ H5FL_DEFINE(H5O_layout_t); /*------------------------------------------------------------------------- * Function: H5O_layout_decode * * Purpose: Decode an data layout message and return a pointer to a * new one created with malloc(). * * Return: Success: Ptr to new message in native order. * * Failure: NULL * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * *------------------------------------------------------------------------- */ static void * H5O_layout_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p) { H5O_layout_t *mesg = NULL; uint8_t *heap_block = NULL; unsigned u; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(f); HDassert(p); /* decode */ if(NULL == (mesg = H5FL_CALLOC(H5O_layout_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") mesg->version = *p++; if(mesg->version < H5O_LAYOUT_VERSION_1 || mesg->version > H5O_LAYOUT_VERSION_3) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for layout message") if(mesg->version < H5O_LAYOUT_VERSION_3) { unsigned ndims; /* Num dimensions in chunk */ /* Dimensionality */ ndims = *p++; if(ndims > H5O_LAYOUT_NDIMS) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "dimensionality is too large") /* Layout class */ mesg->type = (H5D_layout_t)*p++; HDassert(H5D_CONTIGUOUS == mesg->type || H5D_CHUNKED == mesg->type || H5D_COMPACT == mesg->type); /* Reserved bytes */ p += 5; /* Address */ if(mesg->type == H5D_CONTIGUOUS) { H5F_addr_decode(f, &p, &(mesg->storage.u.contig.addr)); /* Set the layout operations */ mesg->ops = H5D_LOPS_CONTIG; } /* end if */ else if(mesg->type == H5D_CHUNKED) { H5F_addr_decode(f, &p, &(mesg->storage.u.chunk.idx_addr)); /* Set the layout operations */ mesg->ops = H5D_LOPS_CHUNK; /* Set the chunk operations */ /* (Only "btree" indexing type currently supported in this version) */ mesg->storage.u.chunk.idx_type = H5D_CHUNK_IDX_BTREE; mesg->storage.u.chunk.ops = H5D_COPS_BTREE; } /* end if */ else { /* Sanity check */ HDassert(mesg->type == H5D_COMPACT); /* Set the layout operations */ mesg->ops = H5D_LOPS_COMPACT; } /* end else */ /* Read the size */ if(mesg->type != H5D_CHUNKED) { /* Don't compute size of contiguous storage here, due to possible * truncation of the dimension sizes when they were stored in this * version of the layout message. Compute the contiguous storage * size in the dataset code, where we've got the dataspace * information available also. - QAK 5/26/04 */ p += ndims * 4; /* Skip over dimension sizes (32-bit quantities) */ } /* end if */ else { mesg->u.chunk.ndims=ndims; for(u = 0; u < ndims; u++) UINT32DECODE(p, mesg->u.chunk.dim[u]); /* Compute chunk size */ for(u = 1, mesg->u.chunk.size = mesg->u.chunk.dim[0]; u < ndims; u++) mesg->u.chunk.size *= mesg->u.chunk.dim[u]; } /* end if */ if(mesg->type == H5D_COMPACT) { UINT32DECODE(p, mesg->storage.u.compact.size); if(mesg->storage.u.compact.size > 0) { if(NULL == (mesg->storage.u.compact.buf = H5MM_malloc(mesg->storage.u.compact.size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for compact data buffer") HDmemcpy(mesg->storage.u.compact.buf, p, mesg->storage.u.compact.size); p += mesg->storage.u.compact.size; } /* end if */ } /* end if */ } /* end if */ else { /* Layout class */ mesg->type = mesg->storage.type = (H5D_layout_t)*p++; /* Interpret the rest of the message according to the layout class */ switch(mesg->type) { case H5D_COMPACT: UINT16DECODE(p, mesg->storage.u.compact.size); if(mesg->storage.u.compact.size > 0) { if(NULL == (mesg->storage.u.compact.buf = H5MM_malloc(mesg->storage.u.compact.size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for compact data buffer") HDmemcpy(mesg->storage.u.compact.buf, p, mesg->storage.u.compact.size); p += mesg->storage.u.compact.size; } /* end if */ /* Set the layout operations */ mesg->ops = H5D_LOPS_COMPACT; break; case H5D_CONTIGUOUS: H5F_addr_decode(f, &p, &(mesg->storage.u.contig.addr)); H5F_DECODE_LENGTH(f, p, mesg->storage.u.contig.size); /* Set the layout operations */ mesg->ops = H5D_LOPS_CONTIG; break; case H5D_CHUNKED: /* Dimensionality */ mesg->u.chunk.ndims = *p++; if(mesg->u.chunk.ndims > H5O_LAYOUT_NDIMS) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "dimensionality is too large") /* B-tree address */ H5F_addr_decode(f, &p, &(mesg->storage.u.chunk.idx_addr)); /* Chunk dimensions */ for(u = 0; u < mesg->u.chunk.ndims; u++) UINT32DECODE(p, mesg->u.chunk.dim[u]); /* Compute chunk size */ for(u = 1, mesg->u.chunk.size = mesg->u.chunk.dim[0]; u < mesg->u.chunk.ndims; u++) mesg->u.chunk.size *= mesg->u.chunk.dim[u]; /* Set the chunk operations */ /* (Only "btree" indexing type supported with v3 of message format) */ mesg->storage.u.chunk.idx_type = H5D_CHUNK_IDX_BTREE; mesg->storage.u.chunk.ops = H5D_COPS_BTREE; /* Set the layout operations */ mesg->ops = H5D_LOPS_CHUNK; break; case H5D_VIRTUAL: /* Heap information */ H5F_addr_decode(f, &p, &(mesg->storage.u.virt.serial_list_hobjid.addr)); UINT32DECODE(p, mesg->storage.u.virt.serial_list_hobjid.idx); /* Initialize other fields */ mesg->storage.u.virt.list_nused = 0; mesg->storage.u.virt.list = NULL; mesg->storage.u.virt.list_nalloc = 0; mesg->storage.u.virt.view = H5D_VDS_ERROR; mesg->storage.u.virt.printf_gap = HSIZE_UNDEF; /* Decode heap block if it exists */ if(mesg->storage.u.virt.serial_list_hobjid.addr != HADDR_UNDEF) { const uint8_t *heap_block_p; size_t block_size = 0; size_t tmp_size; hsize_t tmp_hsize; uint32_t stored_chksum; uint32_t computed_chksum; size_t i; /* Read heap */ if(NULL == (heap_block = (uint8_t *)H5HG_read(f, dxpl_id, &(mesg->storage.u.virt.serial_list_hobjid), NULL, &block_size))) HGOTO_ERROR(H5E_OHDR, H5E_READERROR, NULL, "Unable to read global heap block") heap_block_p = (const uint8_t *)heap_block; /* Number of entries */ H5F_DECODE_LENGTH(f, heap_block_p, tmp_hsize) /* Allocate entry list */ if(NULL == (mesg->storage.u.virt.list = (H5O_storage_virtual_ent_t *)H5MM_calloc((size_t)tmp_hsize * sizeof(H5O_storage_virtual_ent_t)))) HGOTO_ERROR(H5E_OHDR, H5E_RESOURCE, NULL, "unable to allocate heap block") mesg->storage.u.virt.list_nalloc = (size_t)tmp_hsize; mesg->storage.u.virt.list_nused = (size_t)tmp_hsize; /* Decode each entry */ for(i = 0; i < mesg->storage.u.virt.list_nused; i++) { /* Source file name */ tmp_size = HDstrlen((const char *)heap_block_p) + 1; if(NULL == (mesg->storage.u.virt.list[i].source_dset.file_name = (char *)H5MM_malloc(tmp_size))) HGOTO_ERROR(H5E_OHDR, H5E_RESOURCE, NULL, "unable to allocate memory for source file name") (void)HDmemcpy(mesg->storage.u.virt.list[i].source_dset.file_name, heap_block_p, tmp_size); heap_block_p += tmp_size; /* Source dataset name */ tmp_size = HDstrlen((const char *)heap_block_p) + 1; if(NULL == (mesg->storage.u.virt.list[i].source_dset.dset_name = (char *)H5MM_malloc(tmp_size))) HGOTO_ERROR(H5E_OHDR, H5E_RESOURCE, NULL, "unable to allocate memory for source dataset name") (void)HDmemcpy(mesg->storage.u.virt.list[i].source_dset.dset_name, heap_block_p, tmp_size); heap_block_p += tmp_size; /* Source selection */ if(H5S_SELECT_DESERIALIZE(f, &(mesg->storage.u.virt.list[i].source_select), &heap_block_p) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "can't decode source space selection") /* Virtual selection */ if(H5S_SELECT_DESERIALIZE(f, &(mesg->storage.u.virt.list[i].source_dset.virtual_select), &heap_block_p) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "can't decode virtual space selection") /* Parse source file and dataset names for "printf" * style format specifiers */ if(H5D_virtual_parse_source_name(mesg->storage.u.virt.list[i].source_dset.file_name, &mesg->storage.u.virt.list[i].parsed_source_file_name, &mesg->storage.u.virt.list[i].psfn_static_strlen, &mesg->storage.u.virt.list[i].psfn_nsubs) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "can't parse source file name") if(H5D_virtual_parse_source_name(mesg->storage.u.virt.list[i].source_dset.dset_name, &mesg->storage.u.virt.list[i].parsed_source_dset_name, &mesg->storage.u.virt.list[i].psdn_static_strlen, &mesg->storage.u.virt.list[i].psdn_nsubs) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "can't parse source dataset name") /* unlim_dim fields */ mesg->storage.u.virt.list[i].unlim_dim_source = H5S_get_select_unlim_dim(mesg->storage.u.virt.list[i].source_select); mesg->storage.u.virt.list[i].unlim_dim_virtual = H5S_get_select_unlim_dim(mesg->storage.u.virt.list[i].source_dset.virtual_select); mesg->storage.u.virt.list[i].unlim_extent_source = HSIZE_UNDEF; mesg->storage.u.virt.list[i].unlim_extent_virtual = HSIZE_UNDEF; mesg->storage.u.virt.list[i].clip_size_source = HSIZE_UNDEF; mesg->storage.u.virt.list[i].clip_size_virtual = HSIZE_UNDEF; /* Clipped selections */ if(mesg->storage.u.virt.list[i].unlim_dim_virtual < 0) { mesg->storage.u.virt.list[i].source_dset.clipped_source_select = mesg->storage.u.virt.list[i].source_select; mesg->storage.u.virt.list[i].source_dset.clipped_virtual_select = mesg->storage.u.virt.list[i].source_dset.virtual_select; } /* end if */ /* Update min_dims */ if(H5D_virtual_update_min_dims(mesg, i) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to update virtual dataset minimum dimensions") } /* end for */ /* Read stored checksum */ UINT32DECODE(heap_block_p, stored_chksum) /* Compute checksum */ computed_chksum = H5_checksum_metadata(heap_block, block_size - (size_t)4, 0); /* Verify checksum */ if(stored_chksum != computed_chksum) HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, NULL, "incorrect metadata checksum for global heap block") /* Verify that the heap block size is correct */ if((size_t)(heap_block_p - heap_block) != block_size) HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, NULL, "incorrect heap block size") } /* end if */ /* Set the layout operations */ mesg->ops = H5D_LOPS_VIRTUAL; break; case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "Invalid layout class") } /* end switch */ } /* end else */ /* Set return value */ ret_value = mesg; done: if(ret_value == NULL) if(mesg) { if(mesg->type == H5D_VIRTUAL) if(H5D__virtual_reset_layout(mesg) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTFREE, NULL, "unable to reset virtual layout") mesg = H5FL_FREE(H5O_layout_t, mesg); } /* end if */ heap_block = (uint8_t *)H5MM_xfree(heap_block); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_decode() */ /*------------------------------------------------------------------------- * Function: H5O_layout_encode * * Purpose: Encodes a message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * * Note: * Quincey Koziol, 2004-5-21 * We write out version 3 messages by default now. * * Modifications: * Robb Matzke, 1998-07-20 * Rearranged the message to add a version number at the beginning. * * Raymond Lu, 2002-2-26 * Added version number 2 case depends on if space has been allocated * at the moment when layout header message is updated. * * Quincey Koziol, 2004-5-21 * Added version number 3 case to straighten out problems with contiguous * layout's sizes (was encoding them as 4-byte values when they were * really n-byte values (where n usually is 8)) and additionally clean up * the information written out. * *------------------------------------------------------------------------- */ static herr_t H5O_layout_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg) { const H5O_layout_t *mesg = (const H5O_layout_t *) _mesg; uint8_t *heap_block = NULL; size_t *str_size = NULL; unsigned u; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(f); HDassert(mesg); HDassert(p); /* Message version */ *p++ = (uint8_t)H5O_LAYOUT_VERSION_3; /* Layout class */ *p++ = mesg->type; /* Write out layout class specific information */ switch(mesg->type) { case H5D_COMPACT: /* Size of raw data */ UINT16ENCODE(p, mesg->storage.u.compact.size); /* Raw data */ if(mesg->storage.u.compact.size > 0) { if(mesg->storage.u.compact.buf) HDmemcpy(p, mesg->storage.u.compact.buf, mesg->storage.u.compact.size); else HDmemset(p, 0, mesg->storage.u.compact.size); p += mesg->storage.u.compact.size; } /* end if */ break; case H5D_CONTIGUOUS: H5F_addr_encode(f, &p, mesg->storage.u.contig.addr); H5F_ENCODE_LENGTH(f, p, mesg->storage.u.contig.size); break; case H5D_CHUNKED: /* Number of dimensions */ HDassert(mesg->u.chunk.ndims > 0 && mesg->u.chunk.ndims <= H5O_LAYOUT_NDIMS); *p++ = (uint8_t)mesg->u.chunk.ndims; /* B-tree address */ H5F_addr_encode(f, &p, mesg->storage.u.chunk.idx_addr); /* Dimension sizes */ for(u = 0; u < mesg->u.chunk.ndims; u++) UINT32ENCODE(p, mesg->u.chunk.dim[u]); break; case H5D_VIRTUAL: /* Create heap block if it has not been created yet */ /* Note that we assume here that the contents of the heap block * cannot change! If this ever stops being the case we must change * this code to allow overwrites of the heap block. -NAF */ if((mesg->storage.u.virt.serial_list_hobjid.addr == HADDR_UNDEF) && (mesg->storage.u.virt.list_nused > 0)) { uint8_t *heap_block_p; size_t block_size; hssize_t select_serial_size; hsize_t tmp_hsize; uint32_t chksum; size_t i; /* Allocate array for caching results of strlen */ if(NULL == (str_size = (size_t *)H5MM_malloc(2 * mesg->storage.u.virt.list_nused *sizeof(size_t)))) HGOTO_ERROR(H5E_OHDR, H5E_RESOURCE, FAIL, "unable to allocate string length array") /* * Calculate heap block size */ /* Number of entries */ block_size = H5F_SIZEOF_SIZE(f); /* Calculate size of each entry */ for(i = 0; i < mesg->storage.u.virt.list_nused; i++) { HDassert(mesg->storage.u.virt.list[i].source_dset.file_name); HDassert(mesg->storage.u.virt.list[i].source_dset.dset_name); HDassert(mesg->storage.u.virt.list[i].source_select); HDassert(mesg->storage.u.virt.list[i].source_dset.virtual_select); /* Source file name */ str_size[2 * i] = HDstrlen(mesg->storage.u.virt.list[i].source_dset.file_name) + (size_t)1; block_size += str_size[2 * i]; /* Source dset name */ str_size[(2 * i) + 1] = HDstrlen(mesg->storage.u.virt.list[i].source_dset.dset_name) + (size_t)1; block_size += str_size[(2 * i) + 1]; /* Source selection */ if((select_serial_size = H5S_SELECT_SERIAL_SIZE(f, mesg->storage.u.virt.list[i].source_select)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "unable to check dataspace selection size") block_size += (size_t)select_serial_size; /* Virtual dataset selection */ if((select_serial_size = H5S_SELECT_SERIAL_SIZE(f, mesg->storage.u.virt.list[i].source_dset.virtual_select)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "unable to check dataspace selection size") block_size += (size_t)select_serial_size; } /* end for */ /* Checksum */ block_size += 4; /* Allocate heap block */ if(NULL == (heap_block = (uint8_t *)H5MM_malloc(block_size))) HGOTO_ERROR(H5E_OHDR, H5E_RESOURCE, FAIL, "unable to allocate heap block") /* * Encode heap block */ heap_block_p = heap_block; /* Number of entries */ tmp_hsize = (hsize_t)mesg->storage.u.virt.list_nused; H5F_ENCODE_LENGTH(f, heap_block_p, tmp_hsize) /* Encode each entry */ for(i = 0; i < mesg->storage.u.virt.list_nused; i++) { /* Source file name */ (void)HDstrcpy((char *)heap_block_p, mesg->storage.u.virt.list[i].source_dset.file_name); heap_block_p += str_size[2 * i]; /* Source dataset name */ (void)HDstrcpy((char *)heap_block_p, mesg->storage.u.virt.list[i].source_dset.dset_name); heap_block_p += str_size[(2 * i) + 1]; /* Source selection */ if(H5S_SELECT_SERIALIZE(f, mesg->storage.u.virt.list[i].source_select, &heap_block_p) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to serialize source selection") /* Virtual selection */ if(H5S_SELECT_SERIALIZE(f, mesg->storage.u.virt.list[i].source_dset.virtual_select, &heap_block_p) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to serialize virtual selection") } /* end for */ /* Checksum */ chksum = H5_checksum_metadata(heap_block, block_size - (size_t)4, 0); UINT32ENCODE(heap_block_p, chksum) /* Insert block into global heap */ if(H5HG_insert(f, H5AC_ind_dxpl_id, block_size, heap_block, &((H5O_layout_t *)mesg)->storage.u.virt.serial_list_hobjid) < 0) /* Casting away const OK --NAF */ HGOTO_ERROR(H5E_OHDR, H5E_CANTINSERT, FAIL, "unable to insert virtual dataset heap block") } /* end if */ HDassert((mesg->storage.u.virt.list_nused > 0) && "checking code coverage...");//VDSINC /* Heap information */ H5F_addr_encode(f, &p, mesg->storage.u.virt.serial_list_hobjid.addr); UINT32ENCODE(p, mesg->storage.u.virt.serial_list_hobjid.idx); break; case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: HGOTO_ERROR(H5E_OHDR, H5E_CANTENCODE, FAIL, "Invalid layout class") } /* end switch */ done: heap_block = (uint8_t *)H5MM_xfree(heap_block); str_size = (size_t *)H5MM_xfree(str_size); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_encode() */ /*------------------------------------------------------------------------- * Function: H5O_layout_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * *------------------------------------------------------------------------- */ static void * H5O_layout_copy(const void *_mesg, void *_dest) { const H5O_layout_t *mesg = (const H5O_layout_t *) _mesg; H5O_layout_t *dest = (H5O_layout_t *) _dest; void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(mesg); /* Allocate destination message, if necessary */ if(!dest && NULL == (dest = H5FL_MALLOC(H5O_layout_t))) HGOTO_ERROR(H5E_OHDR, H5E_CANTALLOC, NULL, "layout message allocation failed") /* copy */ *dest = *mesg; /* Deep copy the buffer for compact datasets also */ if(mesg->type == H5D_COMPACT && mesg->storage.u.compact.size > 0) { /* Allocate memory for the raw data */ if(NULL == (dest->storage.u.compact.buf = H5MM_malloc(dest->storage.u.compact.size))) HGOTO_ERROR(H5E_OHDR, H5E_NOSPACE, NULL, "unable to allocate memory for compact dataset") /* Copy over the raw data */ HDmemcpy(dest->storage.u.compact.buf, mesg->storage.u.compact.buf, dest->storage.u.compact.size); } /* end if */ /* Reset the pointer of the chunked storage index but not the address */ if(dest->type == H5D_CHUNKED && dest->storage.u.chunk.ops) H5D_chunk_idx_reset(&dest->storage.u.chunk, FALSE); /* Deep copy the entry list for virtual datasets */ if(mesg->type == H5D_VIRTUAL) if(H5D__virtual_copy_layout(dest) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy virtual layout") /* Set return value */ ret_value = dest; done: if(ret_value == NULL) if(NULL == _dest) dest = H5FL_FREE(H5O_layout_t, dest); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_copy() */ /*------------------------------------------------------------------------- * Function: H5O_layout_size * * Purpose: Returns the size of the raw message in bytes. If it's * compact dataset, the data part is also included. * This function doesn't take into account message alignment. * * Return: Success: Message data size in bytes * * Failure: 0 * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * *------------------------------------------------------------------------- */ static size_t H5O_layout_size(const H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg) { const H5O_layout_t *mesg = (const H5O_layout_t *) _mesg; size_t ret_value; FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(mesg); /* Compute serialized size */ /* (including possibly compact data) */ ret_value = H5D__layout_meta_size(f, mesg, TRUE); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_size() */ /*------------------------------------------------------------------------- * Function: H5O_layout_reset * * Purpose: Frees resources within a data type message, but doesn't free * the message itself. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Friday, September 13, 2002 * *------------------------------------------------------------------------- */ static herr_t H5O_layout_reset(void *_mesg) { H5O_layout_t *mesg = (H5O_layout_t *)_mesg; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT if(mesg) { /* Free the compact storage buffer */ if(H5D_COMPACT == mesg->type) mesg->storage.u.compact.buf = H5MM_xfree(mesg->storage.u.compact.buf); else if(H5D_VIRTUAL == mesg->type) /* Free the virtual entry list */ if(H5D__virtual_reset_layout(mesg) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to reset virtual layout") /* Reset the message */ mesg->type = H5D_CONTIGUOUS; } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_reset() */ /*------------------------------------------------------------------------- * Function: H5O_layout_free * * Purpose: Free's the message * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Saturday, March 11, 2000 * *------------------------------------------------------------------------- */ static herr_t H5O_layout_free(void *_mesg) { H5O_layout_t *mesg = (H5O_layout_t *) _mesg; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT HDassert(mesg); /* Free resources within the message */ if(H5O_layout_reset(mesg) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to free message resources") mesg = H5FL_FREE(H5O_layout_t, mesg); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_free() */ /*------------------------------------------------------------------------- * Function: H5O_layout_delete * * Purpose: Free file space referenced by message * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Wednesday, March 19, 2003 * *------------------------------------------------------------------------- */ static herr_t H5O_layout_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, void *_mesg) { H5O_layout_t *mesg = (H5O_layout_t *) _mesg; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(f); HDassert(open_oh); HDassert(mesg); /* Perform different actions, depending on the type of storage */ switch(mesg->type) { case H5D_COMPACT: /* Compact data storage */ /* Nothing required */ break; case H5D_CONTIGUOUS: /* Contiguous block on disk */ /* Free the file space for the raw data */ if(H5D__contig_delete(f, dxpl_id, &mesg->storage) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to free raw data") break; case H5D_CHUNKED: /* Chunked blocks on disk */ /* Free the file space for the index & chunk raw data */ if(H5D__chunk_delete(f, dxpl_id, open_oh, &mesg->storage) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to free raw data") break; case H5D_VIRTUAL: /* Virtual dataset */ HDassert(0 && "checking code coverage...");//VDSINC /* Free the file space virtual dataset */ if(H5D__virtual_delete(f, dxpl_id, &mesg->storage) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to free raw data") break; case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: HGOTO_ERROR(H5E_OHDR, H5E_BADTYPE, FAIL, "not valid storage type") } /* end switch */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_delete() */ /*------------------------------------------------------------------------- * Function: H5O_layout_copy_file * * Purpose: Copies a message from _MESG to _DEST in file * * Return: Success: Ptr to _DEST * * Failure: NULL * * Programmer: Peter Cao * July 23, 2005 * *------------------------------------------------------------------------- */ static void * H5O_layout_copy_file(H5F_t *file_src, void *mesg_src, H5F_t *file_dst, hbool_t H5_ATTR_UNUSED *recompute_size, unsigned H5_ATTR_UNUSED *mesg_flags, H5O_copy_t *cpy_info, void *_udata, hid_t dxpl_id) { H5D_copy_file_ud_t *udata = (H5D_copy_file_ud_t *)_udata; /* Dataset copying user data */ H5O_layout_t *layout_src = (H5O_layout_t *) mesg_src; H5O_layout_t *layout_dst = NULL; hbool_t copied = FALSE; /* Whether the data was copied */ void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* check args */ HDassert(file_src); HDassert(layout_src); HDassert(file_dst); /* Allocate space for the destination layout */ if(NULL == (layout_dst = H5FL_MALLOC(H5O_layout_t))) HGOTO_ERROR(H5E_OHDR, H5E_CANTALLOC, NULL, "memory allocation failed") /* Copy the "top level" information */ *layout_dst = *layout_src; /* Copy the layout type specific information */ switch(layout_src->type) { case H5D_COMPACT: if(layout_src->storage.u.compact.buf) { /* copy compact raw data */ if(H5D__compact_copy(file_src, &layout_src->storage.u.compact, file_dst, &layout_dst->storage.u.compact, udata->src_dtype, cpy_info, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy chunked storage") copied = TRUE; } /* end if */ break; case H5D_CONTIGUOUS: /* Compute the size of the contiguous storage for versions of the * layout message less than version 3 because versions 1 & 2 would * truncate the dimension sizes to 32-bits of information. - QAK 5/26/04 */ if(layout_src->version < H5O_LAYOUT_VERSION_3) layout_dst->storage.u.contig.size = H5S_extent_nelem(udata->src_space_extent) * H5T_get_size(udata->src_dtype); if(H5D__contig_is_space_alloc(&layout_src->storage)) { /* copy contiguous raw data */ if(H5D__contig_copy(file_src, &layout_src->storage.u.contig, file_dst, &layout_dst->storage.u.contig, udata->src_dtype, cpy_info, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy contiguous storage") copied = TRUE; } /* end if */ break; case H5D_CHUNKED: if(H5D__chunk_is_space_alloc(&layout_src->storage)) { /* Create chunked layout */ if(H5D__chunk_copy(file_src, &layout_src->storage.u.chunk, &layout_src->u.chunk, file_dst, &layout_dst->storage.u.chunk, udata->src_space_extent, udata->src_dtype, udata->common.src_pline, cpy_info, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "unable to copy chunked storage") copied = TRUE; } /* end if */ break; case H5D_VIRTUAL: HDassert(0 && "Not yet implemented...");//VDSINC break; case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "Invalid layout class") } /* end switch */ /* Check if copy routine was invoked (which frees the source datatype) */ if(copied) udata->src_dtype = NULL; /* Set return value */ ret_value = layout_dst; done: if(!ret_value) if(layout_dst) layout_dst = H5FL_FREE(H5O_layout_t, layout_dst); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_layout_copy_file() */ /*------------------------------------------------------------------------- * Function: H5O_layout_debug * * Purpose: Prints debugging info for a message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * *------------------------------------------------------------------------- */ static herr_t H5O_layout_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth) { const H5O_layout_t *mesg = (const H5O_layout_t *) _mesg; unsigned u; FUNC_ENTER_NOAPI_NOINIT_NOERR /* check args */ HDassert(f); HDassert(mesg); HDassert(stream); HDassert(indent >= 0); HDassert(fwidth >= 0); HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, "Version:", mesg->version); switch(mesg->type) { case H5D_CHUNKED: HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Type:", "Chunked"); /* Chunk # of dims & size */ HDfprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth, "Number of dimensions:", (unsigned long)(mesg->u.chunk.ndims)); HDfprintf(stream, "%*s%-*s {", indent, "", fwidth, "Size:"); for(u = 0; u < mesg->u.chunk.ndims; u++) HDfprintf(stream, "%s%lu", u ? ", " : "", (unsigned long)(mesg->u.chunk.dim[u])); HDfprintf(stream, "}\n"); /* Index information */ switch(mesg->storage.u.chunk.idx_type) { case H5D_CHUNK_IDX_BTREE: HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Index Type:", "v1 B-tree"); HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "B-tree address:", mesg->storage.u.chunk.idx_addr); break; case H5D_CHUNK_IDX_NTYPES: default: HDfprintf(stream, "%*s%-*s %s (%u)\n", indent, "", fwidth, "Index Type:", "Unknown", (unsigned)mesg->storage.u.chunk.idx_type); break; } /* end switch */ break; case H5D_CONTIGUOUS: HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Type:", "Contiguous"); HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "Data address:", mesg->storage.u.contig.addr); HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth, "Data Size:", mesg->storage.u.contig.size); break; case H5D_COMPACT: HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Type:", "Compact"); HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, "Data Size:", mesg->storage.u.compact.size); break; case H5D_VIRTUAL: HDassert(0 && "Not yet implemented...");//VDSINC break; case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: HDfprintf(stream, "%*s%-*s %s (%u)\n", indent, "", fwidth, "Type:", "Unknown", (unsigned)mesg->type); break; } /* end switch */ FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_layout_debug() */