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mdbx-testing: тестирование парковки транзакций.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2024-07-10 22:31:41 +03:00
parent ec0ada7b8c
commit 2311706272
10 changed files with 120 additions and 7 deletions
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93
test/test.c++
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@@ -212,6 +212,9 @@ void testcase::txn_begin(bool readonly, MDBX_txn_flags_t flags) {
log_trace("== counter %u, env_warmup(flags %u), rc %d", counter,
warmup_flags, err);
}
if (readonly && flipcoin())
txn_probe_parking();
}
int testcase::breakable_commit() {
@@ -267,6 +270,9 @@ void testcase::txn_end(bool abort) {
log_trace(">> txn_end(%s)", abort ? "abort" : "commit");
assert(txn_guard);
if (flipcoin())
txn_probe_parking();
MDBX_txn *txn = txn_guard.release();
if (abort) {
int err = mdbx_txn_abort(txn);
@@ -321,6 +327,13 @@ int testcase::breakable_restart() {
int rc = MDBX_SUCCESS;
if (txn_guard)
rc = breakable_commit();
if (flipcoin()) {
txn_begin(true);
txn_probe_parking();
int err = mdbx_txn_abort(txn_guard.release());
if (unlikely(err != MDBX_SUCCESS))
failure_perror("mdbx_txn_abort()", err);
}
txn_begin(false, MDBX_TXN_READWRITE);
if (cursor_guard)
cursor_renew();
@@ -1426,3 +1439,83 @@ bool testcase::check_batch_get() {
mdbx_cursor_close(batch_cursor);
return rc;
}
bool testcase::txn_probe_parking() {
MDBX_txn_flags_t state =
mdbx_txn_flags(txn_guard.get()) &
(MDBX_TXN_RDONLY | MDBX_TXN_PARKED | MDBX_TXN_AUTOUNPARK |
MDBX_TXN_OUSTED | MDBX_TXN_BLOCKED);
if (state != MDBX_TXN_RDONLY)
return true;
const bool autounpark = flipcoin();
int err = mdbx_txn_park(txn_guard.get(), autounpark);
if (err != MDBX_SUCCESS)
failure("mdbx_txn_park(), err %d", err);
MDBX_txn_info txn_info;
if (flipcoin()) {
err = mdbx_txn_info(txn_guard.get(), &txn_info, flipcoin());
if (err != MDBX_SUCCESS)
failure("mdbx_txn_info(1), state 0x%x, err %d",
state = mdbx_txn_flags(txn_guard.get()), err);
}
if (osal_multiactor_mode() && !mode_readonly()) {
while (flipcoin() &&
((state = mdbx_txn_flags(txn_guard.get())) & MDBX_TXN_OUSTED) == 0)
osal_udelay(4242);
}
if (flipcoin()) {
err = mdbx_txn_info(txn_guard.get(), &txn_info, flipcoin());
if (err != MDBX_SUCCESS)
failure("mdbx_txn_info(2), state 0x%x, err %d",
state = mdbx_txn_flags(txn_guard.get()), err);
}
if (flipcoin()) {
MDBX_envinfo env_info;
err = mdbx_env_info_ex(db_guard.get(), txn_guard.get(), &env_info,
sizeof(env_info));
if (!autounpark) {
if (err != MDBX_BAD_TXN)
failure("mdbx_env_info_ex(autounpark=%s), flags 0x%x, unexpected err "
"%d, must %d",
autounpark ? "true" : "false", state, err, MDBX_BAD_TXN);
} else if (err != MDBX_SUCCESS) {
if (err != MDBX_OUSTED ||
((state = mdbx_txn_flags(txn_guard.get())) & MDBX_TXN_OUSTED) == 0)
failure("mdbx_env_info_ex(autounpark=%s), flags 0x%x, err %d",
autounpark ? "true" : "false", state, err);
else {
err = mdbx_txn_renew(txn_guard.get());
if (err != MDBX_SUCCESS)
failure("mdbx_txn_renew(), state 0x%x, err %d",
state = mdbx_txn_flags(txn_guard.get()), err);
}
}
}
const bool autorestart = flipcoin();
err = mdbx_txn_unpark(txn_guard.get(), autorestart);
if (MDBX_IS_ERROR(err)) {
if (err != MDBX_OUSTED || autorestart)
failure("mdbx_txn_unpark(autounpark=%s, autorestart=%s), err %d",
autounpark ? "true" : "false", autorestart ? "true" : "false",
err);
else {
err = mdbx_txn_renew(txn_guard.get());
if (err != MDBX_SUCCESS)
failure("mdbx_txn_renew(), state 0x%x, err %d",
state = mdbx_txn_flags(txn_guard.get()), err);
}
}
state = mdbx_txn_flags(txn_guard.get()) &
(MDBX_TXN_RDONLY | MDBX_TXN_PARKED | MDBX_TXN_AUTOUNPARK |
MDBX_TXN_OUSTED | MDBX_TXN_BLOCKED);
if (state != MDBX_TXN_RDONLY)
failure("unexpected txn-state 0x%x", state);
return state == MDBX_TXN_RDONLY;
}