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mariadb/utils/tokudb_dump.cc
Rich Prohaska 2796c2d35c tokutek/ft-index#76 add US Patent 8,489,638
2013-10-04 16:49:53 -04:00

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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*
COPYING CONDITIONS NOTICE:
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation, and provided that the
following conditions are met:
* Redistributions of source code must retain this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below).
* Redistributions in binary form must reproduce this COPYING
CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
PATENT MARKING NOTICE (below), and the PATENT RIGHTS
GRANT (below) in the documentation and/or other materials
provided with the distribution.
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
02110-1301, USA.
COPYRIGHT NOTICE:
TokuDB, Tokutek Fractal Tree Indexing Library.
Copyright (C) 2007-2013 Tokutek, Inc.
DISCLAIMER:
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.
UNIVERSITY PATENT NOTICE:
The technology is licensed by the Massachusetts Institute of
Technology, Rutgers State University of New Jersey, and the Research
Foundation of State University of New York at Stony Brook under
United States of America Serial No. 11/760379 and to the patents
and/or patent applications resulting from it.
PATENT MARKING NOTICE:
This software is covered by US Patent No. 8,185,551.
This software is covered by US Patent No. 8,489,638.
PATENT RIGHTS GRANT:
"THIS IMPLEMENTATION" means the copyrightable works distributed by
Tokutek as part of the Fractal Tree project.
"PATENT CLAIMS" means the claims of patents that are owned or
licensable by Tokutek, both currently or in the future; and that in
the absence of this license would be infringed by THIS
IMPLEMENTATION or by using or running THIS IMPLEMENTATION.
"PATENT CHALLENGE" shall mean a challenge to the validity,
patentability, enforceability and/or non-infringement of any of the
PATENT CLAIMS or otherwise opposing any of the PATENT CLAIMS.
Tokutek hereby grants to you, for the term and geographical scope of
the PATENT CLAIMS, a non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to
make, have made, use, offer to sell, sell, import, transfer, and
otherwise run, modify, and propagate the contents of THIS
IMPLEMENTATION, where such license applies only to the PATENT
CLAIMS. This grant does not include claims that would be infringed
only as a consequence of further modifications of THIS
IMPLEMENTATION. If you or your agent or licensee institute or order
or agree to the institution of patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that
THIS IMPLEMENTATION constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any rights
granted to you under this License shall terminate as of the date
such litigation is filed. If you or your agent or exclusive
licensee institute or order or agree to the institution of a PATENT
CHALLENGE, then Tokutek may terminate any rights granted to you
under this License.
*/
#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
#include <toku_portability.h>
#include <toku_assert.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <db.h>
#include "tokudb_common.h"
typedef struct {
bool leadingspace;
bool plaintext;
bool header;
bool footer;
bool is_private;
bool recovery_and_txn;
char* progname;
char* homedir;
char* database;
char* subdatabase;
int exitcode;
int recover_flags;
DBTYPE dbtype;
DBTYPE opened_dbtype;
DB* db;
DB_ENV* dbenv;
} dump_globals;
dump_globals g;
#include "tokudb_common_funcs.h"
static int usage (void);
static int create_init_env(void);
static int dump_database (void);
static int open_database (void);
static int dump_pairs (void);
static int dump_footer (void);
static int dump_header (void);
static int close_database (void);
int test_main(int argc, char *const argv[]) {
int ch;
int retval;
/* Set up the globals. */
memset(&g, 0, sizeof(g));
g.leadingspace = true;
//TODO: Uncomment when DB_UNKNOWN + db->get_type are implemented.
g.dbtype = DB_UNKNOWN;
//g.dbtype = DB_BTREE;
g.progname = argv[0];
g.header = true;
g.footer = true;
g.recovery_and_txn = true;
if (verify_library_version() != 0) goto error;
while ((ch = getopt(argc, argv, "d:f:h:klNP:ps:RrVTx")) != EOF) {
switch (ch) {
case ('d'): {
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('f'): {
if (freopen(optarg, "w", stdout) == NULL) {
fprintf(stderr,
"%s: %s: reopen: %s\n",
g.progname, optarg, strerror(errno));
goto error;
}
break;
}
case ('h'): {
g.homedir = optarg;
break;
}
case ('k'): {
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('l'): {
//TODO: Implement (Requires master database support)
PRINT_ERRORX("-%c option not supported.\n", ch); //YET!
goto error;
}
case ('N'): {
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('P'): {
/* Clear password. */
memset(optarg, 0, strlen(optarg));
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('p'): {
g.plaintext = true;
break;
}
case ('R'): {
//TODO: Uncomment when DB_SALVAGE,DB_AGGRESSIVE are implemented.
/*g.recover_flags |= DB_SALVAGE | DB_AGGRESSIVE;*/
//TODO: Implement aggressive recovery (requires db->verify())
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('r'): {
//TODO: Uncomment when DB_SALVAGE,DB_AGGRESSIVE are implemented.
/*g.recover_flags |= DB_SALVAGE;*/
//TODO: Implement recovery (requires db->verify())
PRINT_ERRORX("-%c option not supported.\n", ch);
goto error;
}
case ('s'): {
g.subdatabase = optarg;
break;
}
case ('V'): {
printf("%s\n", db_version(NULL, NULL, NULL));
goto cleanup;
}
case ('T'): {
g.plaintext = true;
g.leadingspace = false;
g.header = false;
g.footer = false;
break;
}
case ('x'): {
g.recovery_and_txn = false;
break;
}
case ('?'):
default: {
g.exitcode = usage();
goto cleanup;
}
}
}
argc -= optind;
argv += optind;
//TODO: Uncomment when DB_SALVAGE,DB_AGGRESSIVE,DB_PRINTABLE,db->verify are implemented.
/*
if (g.plaintext) g.recover_flags |= DB_PRINTABLE;
if (g.subdatabase != NULL && IS_SET_ALL(g.recover_flags, DB_SALVAGE)) {
if (IS_SET_ALL(g.recover_flags, DB_AGGRESSIVE)) {
PRINT_ERRORX("The -s and -R options may not both be specified.\n");
goto error;
}
PRINT_ERRORX("The -s and -r options may not both be specified.\n");
goto error;
}
*/
if (argc != 1) {
g.exitcode = usage();
goto cleanup;
}
init_catch_signals();
g.database = argv[0];
if (caught_any_signals()) goto cleanup;
if (create_init_env() != 0) goto error;
if (caught_any_signals()) goto cleanup;
if (dump_database() != 0) goto error;
if (false) {
error:
g.exitcode = EXIT_FAILURE;
fprintf(stderr, "%s: Quitting out due to errors.\n", g.progname);
}
cleanup:
if (g.dbenv && (retval = g.dbenv->close(g.dbenv, 0)) != 0) {
g.exitcode = EXIT_FAILURE;
fprintf(stderr, "%s: %s: dbenv->close\n", g.progname, db_strerror(retval));
}
// if (g.subdatabase) free(g.subdatabase);
resend_signals();
return g.exitcode;
}
int dump_database()
{
int retval;
/* Create a database handle. */
retval = db_create(&g.db, g.dbenv, 0);
if (retval != 0) {
PRINT_ERROR(retval, "db_create");
return EXIT_FAILURE;
}
/*
TODO: If/when supporting encryption
if (g.password && (retval = db->set_flags(db, DB_ENCRYPT))) {
PRINT_ERROR(ret, "DB->set_flags: DB_ENCRYPT");
goto error;
}
*/
if (open_database() != 0) goto error;
if (caught_any_signals()) goto cleanup;
if (g.header && dump_header() != 0) goto error;
if (caught_any_signals()) goto cleanup;
if (dump_pairs() != 0) goto error;
if (caught_any_signals()) goto cleanup;
if (g.footer && dump_footer() != 0) goto error;
if (false) {
error:
g.exitcode = EXIT_FAILURE;
}
cleanup:
if (close_database() != 0) g.exitcode = EXIT_FAILURE;
return g.exitcode;
}
int usage()
{
fprintf(stderr,
"usage: %s [-pVT] [-x] [-f output] [-h home] [-s database] db_file\n",
g.progname);
return EXIT_FAILURE;
}
int create_init_env()
{
int retval;
DB_ENV* dbenv;
int flags;
//TODO: Experiments to determine right cache size for tokudb, or maybe command line argument.
retval = db_env_create(&dbenv, 0);
if (retval) {
fprintf(stderr, "%s: db_dbenv_create: %s\n", g.progname, db_strerror(retval));
goto error;
}
///TODO: UNCOMMENT/IMPLEMENT dbenv->set_errfile(dbenv, stderr);
dbenv->set_errpfx(dbenv, g.progname);
/*
TODO: Anything for encryption?
*/
/* Open the dbenvironment. */
g.is_private = false;
//flags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_USE_ENVIRON;
flags = DB_INIT_LOCK | DB_INIT_MPOOL; ///TODO: UNCOMMENT/IMPLEMENT | DB_USE_ENVIRON;
if (g.recovery_and_txn) {
SET_BITS(flags, DB_INIT_LOG | DB_INIT_TXN | DB_RECOVER);
}
/*
///TODO: UNCOMMENT/IMPLEMENT Notes: We require DB_PRIVATE
if (!dbenv->open(dbenv, g.homedir, flags, 0)) goto success;
*/
/*
///TODO: UNCOMMENT/IMPLEMENT
retval = dbenv->set_cachesize(dbenv, 0, cache, 1);
if (retval) {
PRINT_ERROR(retval, "DB_ENV->set_cachesize");
goto error;
}
*/
g.is_private = true;
//TODO: Do we want to support transactions even in single-process mode?
//Logging is not necessary.. this is read-only.
//However, do we need to use DB_INIT_LOG to join a logging environment?
//REMOVE_BITS(flags, DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN);
SET_BITS(flags, DB_CREATE | DB_PRIVATE);
#if defined(USE_BDB) && USE_BDB==1
{
int r;
r = dbenv->set_lk_max_objects(dbenv, 100000);
assert(r==0);
r = dbenv->set_lk_max_locks(dbenv, 100000);
assert(r==0);
}
#endif
retval = dbenv->open(dbenv, g.homedir, flags, 0);
if (retval) {
PRINT_ERROR(retval, "DB_ENV->open");
goto error;
}
g.dbenv = dbenv;
return EXIT_SUCCESS;
error:
return EXIT_FAILURE;
}
#define DUMP_FLAG(bit, dump) if (IS_SET_ALL(flags, bit)) printf(dump);
#define DUMP_IGNORED_FLAG(bit, dump)
int dump_header()
{
uint32_t flags;
int retval;
DB* db = g.db;
assert(g.header);
printf("VERSION=3\n");
printf("format=%s\n", g.plaintext ? "print" : "bytevalue");
//TODO: Uncomment when DB_UNKNOWN + db->get_type are implemented.
/*assert(g.dbtype == DB_BTREE || (g.dbtype == DB_UNKNOWN && g.opened_dbtype == DB_BTREE));*/
printf("type=btree\n");
//TODO: Get page size from db. Currently tokudb does not support db->get_pagesize.
//Don't print this out //printf("db_pagesize=4096\n");
if (g.subdatabase) {
printf("subdatabase=");
outputplaintextstring(g.subdatabase);
printf("\n");
}
//TODO: Uncomment when db->get_flags is implemented
if ((retval = db->get_flags(db, &flags)) != 0) {
PRINT_ERROR(retval, "DB->get_flags");
goto error;
}
DUMP_IGNORED_FLAG(DB_CHKSUM, "chksum=1\n");
DUMP_IGNORED_FLAG(DB_RECNUM, "recnum=1\n");
printf("HEADER=END\n");
if (ferror(stdout)) goto error;
return EXIT_SUCCESS;
error:
return EXIT_FAILURE;
}
int dump_footer()
{
printf("DATA=END\n");
if (ferror(stdout)) goto error;
return EXIT_SUCCESS;
error:
return EXIT_FAILURE;
}
int open_database()
{
DB* db = g.db;
int retval;
int open_flags = 0;//|DB_RDONLY;
//TODO: Transaction auto commit stuff
SET_BITS(open_flags, DB_AUTO_COMMIT);
retval = db->open(db, NULL, g.database, g.subdatabase, g.dbtype, open_flags, 0666);
if (retval != 0) {
PRINT_ERROR(retval, "DB->open: %s", g.database);
goto error;
}
//TODO: Uncomment when DB_UNKNOWN + db->get_type are implemented.
/*
retval = db->get_type(db, &g.opened_dbtype);
if (retval != 0) {
PRINT_ERROR(retval, "DB->get_type");
goto error;
}
if (g.opened_dbtype != DB_BTREE) {
PRINT_ERRORX("Unsupported db type %d\n", g.opened_dbtype);
goto error;
}
if (g.dbtype != DB_UNKNOWN && g.opened_dbtype != g.dbtype) {
PRINT_ERRORX("DBTYPE %d does not match opened DBTYPE %d.\n", g.dbtype, g.opened_dbtype);
goto error;
}*/
return EXIT_SUCCESS;
error:
fprintf(stderr, "Quitting out due to errors.\n");
return EXIT_FAILURE;
}
static int dump_dbt(DBT* dbt)
{
char* str;
uint32_t idx;
assert(dbt);
str = (char*)dbt->data;
if (g.leadingspace) printf(" ");
if (dbt->size > 0) {
assert(dbt->data);
for (idx = 0; idx < dbt->size; idx++) {
outputbyte(str[idx]);
if (ferror(stdout)) {
perror("stdout");
goto error;
}
}
}
printf("\n");
if (false) {
error:
g.exitcode = EXIT_FAILURE;
}
return g.exitcode;
}
int dump_pairs()
{
int retval;
DBT key;
DBT data;
DB* db = g.db;
DBC* dbc = NULL;
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
DB_TXN* txn = NULL;
if (g.recovery_and_txn) {
retval = g.dbenv->txn_begin(g.dbenv, NULL, &txn, 0);
if (retval) {
PRINT_ERROR(retval, "DB_ENV->txn_begin");
goto error;
}
}
if ((retval = db->cursor(db, txn, &dbc, 0)) != 0) {
PRINT_ERROR(retval, "DB->cursor");
goto error;
}
while ((retval = dbc->c_get(dbc, &key, &data, DB_NEXT)) == 0) {
if (caught_any_signals()) goto cleanup;
if (dump_dbt(&key) != 0) goto error;
if (dump_dbt(&data) != 0) goto error;
}
if (retval != DB_NOTFOUND) {
PRINT_ERROR(retval, "DBC->c_get");
goto error;
}
if (false) {
error:
g.exitcode = EXIT_FAILURE;
}
cleanup:
if (dbc && (retval = dbc->c_close(dbc)) != 0) {
PRINT_ERROR(retval, "DBC->c_close");
g.exitcode = EXIT_FAILURE;
}
if (txn) {
if (retval) {
int r2 = txn->abort(txn);
if (r2) PRINT_ERROR(r2, "DB_TXN->abort");
}
else {
retval = txn->commit(txn, 0);
if (retval) PRINT_ERROR(retval, "DB_TXN->abort");
}
}
return g.exitcode;
}
int close_database()
{
DB* db = g.db;
int retval;
assert(db);
if ((retval = db->close(db, 0)) != 0) {
PRINT_ERROR(retval, "DB->close");
goto error;
}
return EXIT_SUCCESS;
error:
return EXIT_FAILURE;
}
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