diff options
Diffstat (limited to 'storage/maria/aria_dump_log.c')
| -rw-r--r-- | storage/maria/aria_dump_log.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/storage/maria/aria_dump_log.c b/storage/maria/aria_dump_log.c new file mode 100644 index 00000000..e64c97fc --- /dev/null +++ b/storage/maria/aria_dump_log.c @@ -0,0 +1,196 @@ +/* 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(_WIN32) +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 1.1 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 the raw content of aria log pages."); + puts("For a logical dump, use aria_read_log"); + printf("\nUsage: %s OPTIONS aria_log_file\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(const struct my_option *opt, + const char *argument __attribute__((unused)), + const char *filename __attribute__((unused))) +{ + switch (opt->id) { + 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 && *argc == 1) + opt_file= **argv; + + 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_or_exit("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= "."; + + 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" + |