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/* Copyright (C) 2007 MySQL AB & Sanja Belkin
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#include "maria_def.h"
#include <my_getopt.h>
extern void translog_example_table_init();
static const char *load_default_groups[]= { "aria_dump_log",0 };
static void get_options(int *argc,char * * *argv);
#ifndef DBUG_OFF
#if defined(__WIN__)
const char *default_dbug_option= "d:t:i:O,\\aria_dump_log.trace";
#else
const char *default_dbug_option= "d:t:i:o,/tmp/aria_dump_log.trace";
#endif
#endif
static ulonglong opt_offset;
static ulong opt_pages;
static const char *opt_file= NULL;
static File handler= -1;
static my_bool opt_unit= 0;
static struct my_option my_long_options[] =
{
#ifdef IMPLTMENTED
{"body", 'b',
"Print chunk body dump",
(uchar **) &opt_body, (uchar **) &opt_body, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
#ifndef DBUG_OFF
{"debug", '#', "Output debug log. Often the argument is 'd:t:o,filename'.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"file", 'f', "Path to file which will be read",
(uchar**) &opt_file, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"help", '?', "Display this help and exit.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{ "offset", 'o', "Start reading log from this offset",
(uchar**) &opt_offset, (uchar**) &opt_offset,
0, GET_ULL, REQUIRED_ARG, 0, 0, ~(longlong) 0, 0, 0, 0 },
{ "pages", 'n', "Number of pages to read",
(uchar**) &opt_pages, (uchar**) &opt_pages, 0,
GET_ULONG, REQUIRED_ARG, (long) ~(ulong) 0,
(long) 1, (long) ~(ulong) 0, (long) 0,
(long) 1, 0},
{"unit-test", 'U',
"Use unit test record table (for logs created by unittests",
(uchar **) &opt_unit, (uchar **) &opt_unit, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"version", 'V', "Print version and exit.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static void print_version(void)
{
printf("%s Ver 1.0 for %s on %s\n",
my_progname_short, SYSTEM_TYPE, MACHINE_TYPE);
}
static void usage(void)
{
print_version();
puts("Copyright (C) 2008 MySQL AB");
puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,");
puts("and you are welcome to modify and redistribute it under the GPL license\n");
puts("Dump content of aria log pages.");
printf("\nUsage: %s -f file OPTIONS\n", my_progname_short);
my_print_help(my_long_options);
print_defaults("my", load_default_groups);
my_print_variables(my_long_options);
}
static my_bool
get_one_option(int optid __attribute__((unused)),
const struct my_option *opt __attribute__((unused)),
char *argument __attribute__((unused)))
{
switch (optid) {
case '?':
usage();
exit(0);
case 'V':
print_version();
exit(0);
#ifndef DBUG_OFF
case '#':
DBUG_SET_INITIAL(argument ? argument : default_dbug_option);
break;
#endif
}
return 0;
}
static void get_options(int *argc,char ***argv)
{
int ho_error;
if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option)))
exit(ho_error);
if (opt_file == NULL)
{
usage();
exit(1);
}
}
/**
@brief maria_dump_log main function.
*/
int main(int argc, char **argv)
{
char **default_argv;
uchar buffer[TRANSLOG_PAGE_SIZE];
MY_INIT(argv[0]);
load_defaults("my", load_default_groups, &argc, &argv);
default_argv= argv;
get_options(&argc, &argv);
if (opt_unit)
translog_example_table_init();
else
translog_table_init();
translog_fill_overhead_table();
maria_data_root= (char *)".";
if ((handler= my_open(opt_file, O_RDONLY, MYF(MY_WME))) < 0)
{
fprintf(stderr, "Can't open file: '%s' errno: %d\n",
opt_file, my_errno);
goto err;
}
if (my_seek(handler, opt_offset, SEEK_SET, MYF(MY_WME)) !=
opt_offset)
{
fprintf(stderr, "Can't set position %lld file: '%s' errno: %d\n",
opt_offset, opt_file, my_errno);
goto err;
}
for (;
opt_pages;
opt_offset+= TRANSLOG_PAGE_SIZE, opt_pages--)
{
if (my_pread(handler, buffer, TRANSLOG_PAGE_SIZE, opt_offset,
MYF(MY_NABP)))
{
if (my_errno == HA_ERR_FILE_TOO_SHORT)
goto end;
fprintf(stderr, "Can't read page at position %lld file: '%s' "
"errno: %d\n", opt_offset, opt_file, my_errno);
goto err;
}
printf("Page by offset %llu (0x%llx)\n", opt_offset, opt_offset);
dump_page(buffer, handler);
}
end:
my_close(handler, MYF(0));
free_defaults(default_argv);
exit(0);
return 0; /* No compiler warning */
err:
my_close(handler, MYF(0));
fprintf(stderr, "%s: FAILED\n", my_progname_short);
free_defaults(default_argv);
exit(1);
}
#include "ma_check_standalone.h"
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