mariadb/ft/tests/recovery-lsn-error-during-forward-scan.c
Leif Walsh e13da393bc [t:5062] txnid becomes separate from lsn, and optimizations for read-only txns
git-svn-id: file:///svn/toku/tokudb@44591 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-17 00:00:49 -04:00

94 lines
2.8 KiB
C

/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
// force a bad LSN during the forward scan. recovery should fail.
#include "test.h"
#include "includes.h"
#if defined(HAVE_LIMITS_H)
# include <limits.h>
#endif
#if defined(HAVE_SYS_SYSLIMITS_H)
# include <sys/syslimits.h>
#endif
#define TESTDIR __SRCFILE__ ".dir"
static void recover_callback_at_turnaround(void *UU(arg)) {
// change the LSN in the first log entry of log 2. this will cause an LSN error during the forward scan.
int r;
char logname[PATH_MAX];
sprintf(logname, "%s/log000000000002.tokulog%d", TESTDIR, TOKU_LOG_VERSION);
FILE *f = fopen(logname, "r+b"); assert(f);
r = fseek(f, 025, SEEK_SET); assert(r == 0);
char c = 100;
size_t n = fwrite(&c, sizeof c, 1, f); assert(n == sizeof c);
r = fclose(f); assert(r == 0);
}
static int
run_test(void) {
int r;
// setup the test dir
r = system("rm -rf " TESTDIR);
CKERR(r);
r = toku_os_mkdir(TESTDIR, S_IRWXU); assert(r == 0);
// log 1 has the checkpoint
TOKULOGGER logger;
r = toku_logger_create(&logger); assert(r == 0);
r = toku_logger_open(TESTDIR, logger); assert(r == 0);
LSN beginlsn;
r = toku_log_begin_checkpoint(logger, &beginlsn, TRUE, 0, 0); assert(r == 0);
r = toku_log_end_checkpoint(logger, NULL, TRUE, beginlsn, 0, 0, 0); assert(r == 0);
r = toku_logger_close(&logger); assert(r == 0);
// log 2 has hello
r = toku_logger_create(&logger); assert(r == 0);
r = toku_logger_open(TESTDIR, logger); assert(r == 0);
BYTESTRING hello = { strlen("hello"), "hello" };
r = toku_log_comment(logger, NULL, TRUE, 0, hello); assert(r == 0);
r = toku_logger_close(&logger); assert(r == 0);
// log 3 has there
r = toku_logger_create(&logger); assert(r == 0);
r = toku_logger_open(TESTDIR, logger); assert(r == 0);
BYTESTRING there = { strlen("there"), "there" };
r = toku_log_comment(logger, NULL, TRUE, 0, there); assert(r == 0);
r = toku_logger_close(&logger); assert(r == 0);
// redirect stderr
int devnul = open(DEV_NULL_FILE, O_WRONLY);
assert(devnul>=0);
r = toku_dup2(devnul, fileno(stderr)); assert(r==fileno(stderr));
r = close(devnul); assert(r==0);
// delete log 2 at the turnaround to force
toku_recover_set_callback(recover_callback_at_turnaround, NULL);
// run recovery
r = tokudb_recover(NULL,
NULL_prepared_txn_callback,
NULL_keep_cachetable_callback,
NULL_logger, TESTDIR, TESTDIR, 0, 0, 0, NULL, 0);
assert(r != 0);
r = system("rm -rf " TESTDIR);
CKERR(r);
return 0;
}
int
test_main(int UU(argc), const char *UU(argv[])) {
int r;
r = run_test();
return r;
}