libmdbx/test/copy.c++

68 lines
2.4 KiB
C++

/// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2024
/// \copyright SPDX-License-Identifier: Apache-2.0
#include "test.h++"
class testcase_copy : public testcase {
const std::string copy_pathname;
void copy_db(const bool with_compaction);
public:
testcase_copy(const actor_config &config, const mdbx_pid_t pid)
: testcase(config, pid),
copy_pathname(config.params.pathname_db + "-copy") {}
bool run() override;
};
REGISTER_TESTCASE(copy);
void testcase_copy::copy_db(const bool with_compaction) {
int err = mdbx_env_delete(copy_pathname.c_str(), MDBX_ENV_JUST_DELETE);
if (err != MDBX_SUCCESS && err != MDBX_RESULT_TRUE)
failure_perror("osal_removefile()", err);
if (flipcoin()) {
err = mdbx_env_copy(db_guard.get(), copy_pathname.c_str(),
with_compaction ? MDBX_CP_COMPACT : MDBX_CP_DEFAULTS);
if (unlikely(err != MDBX_SUCCESS))
failure_perror(with_compaction ? "mdbx_env_copy(MDBX_CP_COMPACT)"
: "mdbx_env_copy(MDBX_CP_ASIS)",
err);
} else {
do {
const bool ro = mode_readonly() || flipcoin();
const bool throttle = ro && flipcoin();
const bool dynsize = flipcoin();
const bool flush = flipcoin();
const bool enable_renew = flipcoin();
const MDBX_copy_flags_t flags =
(with_compaction ? MDBX_CP_COMPACT : MDBX_CP_DEFAULTS) |
(dynsize ? MDBX_CP_FORCE_DYNAMIC_SIZE : MDBX_CP_DEFAULTS) |
(throttle ? MDBX_CP_THROTTLE_MVCC : MDBX_CP_DEFAULTS) |
(flush ? MDBX_CP_DEFAULTS : MDBX_CP_DONT_FLUSH) |
(enable_renew ? MDBX_CP_RENEW_TXN : MDBX_CP_DEFAULTS);
txn_begin(ro);
err =
mdbx_txn_copy2pathname(txn_guard.get(), copy_pathname.c_str(), flags);
if (unlikely(err != MDBX_SUCCESS && (!throttle || err != MDBX_OUSTED) &&
(!enable_renew && err != MDBX_MVCC_RETARDED)))
failure_perror(with_compaction
? "mdbx_txn_copy2pathname(MDBX_CP_COMPACT)"
: "mdbx_txn_copy2pathname(MDBX_CP_ASIS)",
err);
txn_end(err != MDBX_SUCCESS || flipcoin());
} while (err != MDBX_SUCCESS);
}
}
bool testcase_copy::run() {
jitter_delay();
db_open();
assert(!txn_guard);
const bool order = flipcoin();
jitter_delay();
copy_db(order);
jitter_delay();
copy_db(!order);
return true;
}