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lmdb: rework mdb_chk for cooperative and shared modes.

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Change-Id: I22ff9721c43da00b1a514ec85adc664829140506
This commit is contained in:
Leo Yuriev 2015-08-07 22:16:15 +03:00
parent c70999052c
commit 65555273aa
1 changed files with 36 additions and 18 deletions
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54
mdb_chk.c
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@ -566,12 +566,6 @@ int main(int argc, char *argv[])
if (verbose)
print(" - %s mode\n", exclusive ? "monopolistic" : "cooperative");
rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
if (rc) {
error("mdb_txn_begin(read-only) failed, error %d %s\n", rc, mdb_strerror(rc));
goto bailout;
}
if (! (envflags & MDB_RDONLY)) {
rc = mdb_txn_begin(env, NULL, 0, &locktxn);
if (rc) {
@ -580,6 +574,12 @@ int main(int argc, char *argv[])
}
}
rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
if (rc) {
error("mdb_txn_begin(read-only) failed, error %d %s\n", rc, mdb_strerror(rc));
goto bailout;
}
rc = mdb_env_info(env, &info);
if (rc) {
error("mdb_env_info failed, error %d %s\n", rc, mdb_strerror(rc));
@ -635,19 +635,35 @@ int main(int argc, char *argv[])
}
if (exclusive > 1) {
if (verbose)
print(" - perform full check last-txn-id with meta-pages\n");
if (! meta_lt(info.me_meta1_txnid, info.me_meta1_sign,
info.me_meta2_txnid, info.me_meta2_sign)
&& info.me_meta1_txnid != info.me_last_txnid) {
print(" - meta-1 txn-id mismatch\n");
print(" - meta-1 txn-id mismatch last-txn-id (%zi != %zi)\n",
info.me_meta1_txnid, info.me_last_txnid);
++problems_meta;
}
if (! meta_lt(info.me_meta2_txnid, info.me_meta2_sign,
info.me_meta1_txnid, info.me_meta1_sign)
&& info.me_meta2_txnid != info.me_last_txnid) {
print(" - meta-2 txn-id mismatch\n");
print(" - meta-2 txn-id mismatch last-txn-id (%zi != %zi)\n",
info.me_meta2_txnid, info.me_last_txnid);
++problems_meta;
}
} else if (locktxn) {
if (verbose)
print(" - perform lite check last-txn-id with meta-pages (not a monopolistic mode)\n");
size_t last = (info.me_meta2_txnid > info.me_meta1_txnid) ? info.me_meta2_txnid : info.me_meta1_txnid;
if (last != info.me_last_txnid) {
print(" - last-meta mismatch last-txn-id (%zi != %zi)\n",
last, info.me_last_txnid);
++problems_meta;
}
} else if (verbose) {
print(" - skip check last-txn-id with meta-pages (monopolistic or write-lock mode only)\n");
}
print("Walking b-tree...\n");
@ -662,8 +678,7 @@ int main(int argc, char *argv[])
if (verbose) {
size_t total_page_bytes = pgcount * stat.ms_psize;
print(" - dbi pages: %zu total",
pgcount);
print(" - dbi pages: %zu total", pgcount);
if (verbose > 1)
for (i = 1; i < MAX_DBI && dbi_names[i]; ++i)
print(", %s %zu", dbi_names[i], dbi_pages[i]);
@ -718,12 +733,15 @@ int main(int argc, char *argv[])
}
if (problems_maindb == 0 && problems_freedb == 0) {
if (pgcount != lastpgno - freedb_pages) {
error("used pages mismatch (%zu != %zu)\n", pgcount, lastpgno - freedb_pages);
}
if (dbi_pages[0] != freedb_pages) {
error("gc pages mismatch (%zu != %zu)\n", dbi_pages[0], freedb_pages);
if (exclusive || locktxn) {
if (pgcount != lastpgno - freedb_pages) {
error("used pages mismatch (%zu != %zu)\n", pgcount, lastpgno - freedb_pages);
}
if (dbi_pages[0] != freedb_pages) {
error("gc pages mismatch (%zu != %zu)\n", dbi_pages[0], freedb_pages);
}
} else if (verbose) {
print(" - skip check used and gc pages (monopolistic or write-lock mode only)\n");
}
if (! process_db(-1, NULL, handle_maindb, 1)) {
@ -733,10 +751,10 @@ int main(int argc, char *argv[])
}
bailout:
if (locktxn)
mdb_txn_abort(locktxn);
if (txn)
mdb_txn_abort(txn);
if (locktxn)
mdb_txn_abort(locktxn);
mdb_env_close(env);
free(pagemap);
if (rc)