mirror of
https://github.com/isar/libmdbx.git
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92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright 2017-2020 Leonid Yuriev <leo@yuriev.ru>
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* and other libmdbx authors: please see AUTHORS file.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "test.h"
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bool testcase_jitter::run() {
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int err;
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size_t upper_limit = config.params.size_upper;
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if (upper_limit < 1)
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upper_limit = config.params.size_now * 2;
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while (should_continue()) {
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jitter_delay();
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db_open();
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if (upper_limit < 1) {
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MDBX_envinfo info;
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err = mdbx_env_info_ex(db_guard.get(), txn_guard.get(), &info,
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sizeof(info));
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if (err)
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failure_perror("mdbx_env_info_ex()", err);
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upper_limit = (info.mi_geo.upper < INTPTR_MAX)
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? (intptr_t)info.mi_geo.upper
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: INTPTR_MAX;
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}
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if (flipcoin()) {
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jitter_delay();
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txn_begin(true);
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fetch_canary();
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jitter_delay();
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txn_end(flipcoin());
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}
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const bool coin4size = flipcoin();
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jitter_delay();
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txn_begin(mode_readonly());
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jitter_delay();
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if (!mode_readonly()) {
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fetch_canary();
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update_canary(1);
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err = mdbx_env_set_geometry(
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db_guard.get(), -1, -1,
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coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1);
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if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE &&
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err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
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failure_perror("mdbx_env_set_geometry-1", err);
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}
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txn_end(flipcoin());
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err = mdbx_env_set_geometry(
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db_guard.get(), -1, -1,
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!coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1);
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if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE &&
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err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
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failure_perror("mdbx_env_set_geometry-2", err);
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if (flipcoin()) {
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jitter_delay();
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txn_begin(true);
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jitter_delay();
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txn_end(flipcoin());
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}
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jitter_delay();
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err =
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mdbx_env_set_geometry(db_guard.get(), -1, -1, upper_limit, -1, -1, -1);
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if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE &&
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err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
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failure_perror("mdbx_env_set_geometry-3", err);
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db_close();
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/* just 'align' nops with other tests with batching */
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const auto batching =
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std::max(config.params.batch_read, config.params.batch_write);
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report(std::max(1u, batching / 2));
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}
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return true;
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}
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