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mdbx_chk: support for checking using specified meta-page.

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Change-Id: Iadb930154acb966f03aa1dec9cc7cbdc76779f05
This commit is contained in:
Leonid Yuriev 2020-09-19 01:24:28 +03:00
parent d9daf2944d
commit 765a18ed59
1 changed files with 46 additions and 17 deletions
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45
src/mdbx_chk.c
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@ -96,6 +96,7 @@ uint64_t total_unused_bytes, reclaimable_pages, gc_pages, alloc_pages,
unsigned verbose;
bool ignore_wrong_order, quiet, dont_traversal;
const char *only_subdb;
int stuck_meta = -1;
struct problem {
struct problem *pr_next;
@ -119,7 +120,7 @@ static void MDBX_PRINTF_ARGS(1, 2) print(const char *msg, ...) {
static void va_log(MDBX_log_level_t level, const char *msg, va_list args) {
static const char *const prefixes[] = {
"!!!fatal: ", " ! " /* error */, " ! " /* warning */,
"!!!fatal: ", " ! " /* error */, " ~ " /* warning */,
" " /* notice */, " //" /* verbose */, " ///" /* debug */,
" ////" /* trace */
};
@ -701,14 +702,14 @@ static int process_db(MDBX_dbi dbi_handle, char *dbi_name, visitor *handler,
error("mdbx_cursor_open failed, error %d %s\n", rc, mdbx_strerror(rc));
return rc;
}
/* if (ignore_wrong_order) {
if (ignore_wrong_order) { /* for debugging with enabled assertions */
mc->mc_flags |= C_SKIPORD;
if (mc->mc_xcursor)
mc->mc_xcursor->mx_cursor.mc_flags |= C_SKIPORD;
} */
}
const size_t maxkeysize = mdbx_env_get_maxkeysize_ex(env, flags);
saved_list = problems_push();
prev_key.iov_base = nullptr;
prev_key.iov_len = 0;
@ -818,11 +819,13 @@ bailout:
static void usage(char *prog) {
fprintf(stderr,
"usage: %s [-V] [-v] [-q] [-c] [-w] [-d] [-i] [-s subdb] dbpath\n"
"usage: %s [-V] [-v] [-q] [-c] [-0|1|2] [-w] [-d] [-i] [-s subdb] "
"dbpath\n"
" -V\t\tprint version and exit\n"
" -v\t\tmore verbose, could be used multiple times\n"
" -q\t\tbe quiet\n"
" -c\t\tforce cooperative mode (don't try exclusive)\n"
" -0|1|2\tforce using specific meta-page 0..2 for checking\n"
" -w\t\tlock DB for writing while checking\n"
" -d\t\tdisable page-by-page traversal of B-tree\n"
" -i\t\tignore wrong order errors (for custom comparators case)\n"
@ -932,7 +935,10 @@ void verbose_meta(int num, txnid_t txnid, uint64_t sign, uint64_t bootid_h,
if (stay)
print(", stay");
if (txnid > envinfo.mi_recent_txnid &&
if (stuck_meta >= 0) {
if (num == stuck_meta)
print(", forced for checking");
} else if (txnid > envinfo.mi_recent_txnid &&
(envflags & (MDBX_EXCLUSIVE | MDBX_RDONLY)) == MDBX_EXCLUSIVE)
print(", rolled-back %" PRIu64 " (%" PRIu64 " >>> %" PRIu64 ")",
txnid - envinfo.mi_recent_txnid, txnid, envinfo.mi_recent_txnid);
@ -993,7 +999,7 @@ int main(int argc, char *argv[]) {
if (argc < 2)
usage(prog);
for (int i; (i = getopt(argc, argv, "Vvqnwcdis:")) != EOF;) {
for (int i; (i = getopt(argc, argv, "Vvqnwc012dis:")) != EOF;) {
switch (i) {
case 'V':
printf("mdbx_chk version %d.%d.%d.%d\n"
@ -1012,6 +1018,15 @@ int main(int argc, char *argv[]) {
case 'v':
verbose++;
break;
case '0':
stuck_meta = 0;
break;
case '1':
stuck_meta = 1;
break;
case '2':
stuck_meta = 2;
break;
case 'q':
quiet = true;
break;
@ -1043,6 +1058,15 @@ int main(int argc, char *argv[]) {
if (optind != argc - 1)
usage(prog);
if (stuck_meta >= 0) {
if ((envflags & MDBX_EXCLUSIVE) == 0) {
error("exclusive mode is required to using specific meta-page(%d) for "
"checking.\n",
stuck_meta);
exit(EXIT_INTERRUPTED);
}
}
#if defined(_WIN32) || defined(_WIN64)
SetConsoleCtrlHandler(ConsoleBreakHandlerRoutine, true);
#else
@ -1079,6 +1103,10 @@ int main(int argc, char *argv[]) {
goto bailout;
}
if (stuck_meta >= 0) {
rc = mdbx_env_open_for_recovery(env, envname, stuck_meta,
(envflags & MDBX_RDONLY) ? false : true);
} else {
rc = mdbx_env_open(env, envname, envflags, 0);
if ((envflags & MDBX_EXCLUSIVE) &&
(rc == MDBX_BUSY ||
@ -1091,6 +1119,7 @@ int main(int argc, char *argv[]) {
envflags &= ~MDBX_EXCLUSIVE;
rc = mdbx_env_open(env, envname, envflags | MDBX_ACCEDE, 0);
}
}
if (rc) {
error("mdbx_env_open failed, error %d %s\n", rc, mdbx_strerror(rc));
@ -1466,7 +1495,7 @@ int main(int argc, char *argv[]) {
}
if (rc == 0 && total_problems == 1 && problems_meta == 1 && !dont_traversal &&
(envflags & MDBX_RDONLY) == 0 && !only_subdb &&
(envflags & MDBX_RDONLY) == 0 && !only_subdb && stuck_meta < 0 &&
steady_meta_txnid < envinfo.mi_recent_txnid) {
print("Perform sync-to-disk for make steady checkpoint at txn-id #%" PRIi64
"\n",