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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: debug.c
* Jul 18 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Debugs an existing HDF5 file at a low level.
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#include "H5private.h"
#include "H5Iprivate.h"
#include "H5Bprivate.h"
#include "H5Pprivate.h"
#include "H5Fpkg.h"
#include "H5Gprivate.h"
#include "H5HGprivate.h"
#include "H5HLprivate.h"
#include "H5Opkg.h"
/* File drivers */
#include "H5FDfamily.h"
#define INDENT 3
#define VCOL 50
/*-------------------------------------------------------------------------
* Function: main
*
* Usage: debug FILENAME [OFFSET]
*
* Return: Success: exit (0)
*
* Failure: exit (non-zero)
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Jul 18 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
hid_t fid, fapl, dxpl;
H5F_t *f;
haddr_t addr=0, extra=0;
uint8_t sig[16];
int i, ndims;
herr_t status = SUCCEED;
if (argc == 1) {
fprintf(stderr,
"Usage: %s filename [signature addr [extra]]\n", argv[0]);
HDexit(1);
}
/* Initialize the library */
if(H5open ()<0) {
fprintf(stderr, "cannot initialize the library\n");
HDexit(1);
}
/*
* Open the file and get the file descriptor.
*/
if((dxpl = H5Pcreate (H5P_DATASET_XFER))<0) {
fprintf(stderr, "cannot create dataset transfer property list\n");
HDexit(1);
}
if((fapl = H5Pcreate (H5P_FILE_ACCESS))<0) {
fprintf(stderr, "cannot create file access property list\n");
HDexit(1);
}
if (strchr (argv[1], '%')) {
H5Pset_fapl_family (fapl, (hsize_t)0, H5P_DEFAULT);
}
if ((fid = H5Fopen(argv[1], H5F_ACC_RDONLY, fapl)) < 0) {
fprintf(stderr, "cannot open file\n");
HDexit(1);
}
if (NULL == (f = H5I_object(fid))) {
fprintf(stderr, "cannot obtain H5F_t pointer\n");
HDexit(2);
}
/*
* Parse command arguments.
*/
if (argc > 2) {
printf("New address: %s\n", argv[2]);
addr = HDstrtoll(argv[2], NULL, 0);
}
if (argc > 3) {
extra = HDstrtoll(argv[3], NULL, 0);
}
/*
* Read the signature at the specified file position.
*/
HDfprintf(stdout, "Reading signature at address %a (rel)\n", addr);
if (H5F_block_read(f, H5FD_MEM_SUPER, addr, sizeof(sig), dxpl, sig)<0) {
fprintf(stderr, "cannot read signature\n");
HDexit(3);
}
if (!HDmemcmp(sig, H5F_SIGNATURE, H5F_SIGNATURE_LEN)) {
/*
* Debug the boot block.
*/
status = H5F_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else if (!HDmemcmp(sig, H5HL_MAGIC, H5HL_SIZEOF_MAGIC)) {
/*
* Debug a local heap.
*/
status = H5HL_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else if (!HDmemcmp (sig, H5HG_MAGIC, H5HG_SIZEOF_MAGIC)) {
/*
* Debug a global heap collection.
*/
status = H5HG_debug (f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else if (!HDmemcmp(sig, H5G_NODE_MAGIC, H5G_NODE_SIZEOF_MAGIC)) {
/*
* Debug a symbol table node.
*/
status = H5G_node_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, extra);
} else if (!HDmemcmp(sig, H5B_MAGIC, H5B_SIZEOF_MAGIC)) {
/*
* Debug a B-tree. B-trees are debugged through the B-tree
* subclass. The subclass identifier is the byte immediately
* after the B-tree signature.
*/
H5B_subid_t subtype = (H5B_subid_t)sig[H5B_SIZEOF_MAGIC];
switch (subtype) {
case H5B_SNODE_ID:
status = H5G_node_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, extra);
break;
case H5B_ISTORE_ID:
ndims = (int)extra;
status = H5F_istore_debug (f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, ndims);
break;
default:
fprintf(stderr, "Unknown B-tree subtype %u\n", (unsigned)(subtype));
HDexit(4);
}
} else if (sig[0] == H5O_VERSION) {
/*
* This could be an object header. Since they don't have a signature
* it's a somewhat "ify" detection.
*/
status = H5O_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else {
/*
* Got some other unrecognized signature.
*/
printf("%-*s ", VCOL, "Signature:");
for (i = 0; i < 8; i++) {
if (sig[i] > ' ' && sig[i] <= '~' && '\\' != sig[i]) {
HDputchar(sig[i]);
} else if ('\\' == sig[i]) {
HDputchar('\\');
HDputchar('\\');
} else {
printf("\\%03o", sig[i]);
}
}
HDputchar('\n');
fprintf(stderr, "unknown signature\n");
HDexit(4);
}
if (status < 0) {
fprintf(stderr, "An error occurred\n");
HDexit(5);
}
H5Pclose(dxpl);
H5Pclose(fapl);
H5Fclose(fid);
return 0;
}
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