/* * Copyright 2017-2024 Leonid Yuriev * and other libmdbx authors: please see AUTHORS file. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #include "test.h++" class testcase_jitter : public testcase { protected: void check_dbi_error(int expect, const char *stage); public: testcase_jitter(const actor_config &config, const mdbx_pid_t pid) : testcase(config, pid) {} bool run() override; }; REGISTER_TESTCASE(jitter); void testcase_jitter::check_dbi_error(int expect, const char *stage) { MDBX_stat stat; int err = mdbx_dbi_stat(txn_guard.get(), dbi, &stat, sizeof(stat)); if (err != expect) failure("unexpected result for %s dbi-handle: expect %d, got %d", stage, expect, err); } bool testcase_jitter::run() { int err; size_t upper_limit = config.params.size_upper; if (upper_limit < 1) upper_limit = config.params.size_now * 2; tablename_buf buffer; const char *const tablename = db_tablename(buffer); tablename_buf buffer_renamed; const char *const tablename_renamed = db_tablename(buffer_renamed, ".renamed"); while (should_continue()) { jitter_delay(); db_open(); if (!dbi && !mode_readonly()) { // create table txn_begin(false); dbi = db_table_open(true); check_dbi_error(MDBX_SUCCESS, "created-uncommitted"); bool renamed = false; if (flipcoin()) { err = mdbx_dbi_rename(txn_guard.get(), dbi, tablename_renamed); if (err != MDBX_SUCCESS) failure_perror("jitter.rename-1", err); renamed = true; } // note: here and below the 4-byte length keys and value are used // to be compatible with any Db-flags given from command line. MDBX_val k = {(void *)"k000", 4}, v = {(void *)"v001", 4}; err = mdbx_put(txn_guard.get(), dbi, &k, &v, MDBX_UPSERT); if (err != MDBX_SUCCESS) failure_perror("jitter.put-1", err); txn_end(false); // drop & re-create table, but abort txn txn_begin(false); check_dbi_error(MDBX_SUCCESS, "created-committed"); err = mdbx_drop(txn_guard.get(), dbi, true); if (unlikely(err != MDBX_SUCCESS)) failure_perror("mdbx_drop(delete=true)", err); check_dbi_error(MDBX_BAD_DBI, "dropped-uncommitted"); dbi = db_table_open(true); check_dbi_error(MDBX_SUCCESS, "recreated-uncommitted"); txn_end(true); // check after aborted txn txn_begin(false); v = {(void *)"v002", 4}; err = mdbx_put(txn_guard.get(), dbi, &k, &v, MDBX_UPSERT); if (err != MDBX_BAD_DBI) failure_perror("jitter.put-2", err); check_dbi_error(MDBX_BAD_DBI, "dropped-recreated-aborted"); // restore DBI dbi = db_table_open(false, renamed); if (renamed) { err = mdbx_dbi_open( txn_guard.get(), tablename_renamed, flipcoin() ? MDBX_DB_ACCEDE : config.params.table_flags, &dbi); if (unlikely(err != MDBX_SUCCESS)) failure_perror("open-renamed", err); err = mdbx_dbi_rename(txn_guard.get(), dbi, tablename); if (err != MDBX_SUCCESS) failure_perror("jitter.rename-2", err); } check_dbi_error(MDBX_SUCCESS, "dropped-recreated-aborted+reopened"); v = {(void *)"v003", 4}; err = mdbx_put(txn_guard.get(), dbi, &k, &v, MDBX_UPSERT); if (err != MDBX_SUCCESS) failure_perror("jitter.put-3", err); txn_end(false); } if (upper_limit < 1) { MDBX_envinfo info; err = mdbx_env_info_ex(db_guard.get(), txn_guard.get(), &info, sizeof(info)); if (err) failure_perror("mdbx_env_info_ex()", err); upper_limit = (info.mi_geo.upper < INTPTR_MAX) ? (intptr_t)info.mi_geo.upper : INTPTR_MAX; } if (flipcoin()) { jitter_delay(); txn_begin(true); fetch_canary(); if (flipcoin()) { MDBX_txn_info info; err = mdbx_txn_reset(txn_guard.get()); if (err) failure_perror("mdbx_txn_reset()", err); err = mdbx_txn_info(txn_guard.get(), &info, false); if (err != MDBX_BAD_TXN) failure_perror("mdbx_txn_info(MDBX_BAD_TXN)", err); err = mdbx_txn_reset(txn_guard.get()); if (err) failure_perror("mdbx_txn_reset(again)", err); err = mdbx_txn_break(txn_guard.get()); if (err) failure_perror("mdbx_txn_break()", err); err = mdbx_txn_abort(txn_guard.get()); if (err) failure_perror("mdbx_txn_abort()", err); txn_guard.release(); txn_begin(true); err = mdbx_txn_reset(txn_guard.get()); if (err) failure_perror("mdbx_txn_reset()", err); err = mdbx_txn_renew(txn_guard.get()); if (err) failure_perror("mdbx_txn_renew()", err); err = mdbx_txn_info(txn_guard.get(), &info, false); if (err) failure_perror("mdbx_txn_info()", err); } jitter_delay(); txn_end(flipcoin()); } const bool coin4size = flipcoin(); jitter_delay(); txn_begin(mode_readonly()); jitter_delay(); if (!mode_readonly()) { fetch_canary(); update_canary(1); if (global::config::geometry_jitter) { err = mdbx_env_set_geometry( db_guard.get(), -1, -1, coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1); if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE && err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE && err != MDBX_EPERM) failure_perror("mdbx_env_set_geometry-1", err); } } txn_end(flipcoin()); if (global::config::geometry_jitter) { err = mdbx_env_set_geometry( db_guard.get(), -1, -1, !coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1); if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE && err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE && err != MDBX_EPERM) failure_perror("mdbx_env_set_geometry-2", err); } if (flipcoin()) { jitter_delay(); txn_begin(true); jitter_delay(); txn_end(flipcoin()); } if (global::config::geometry_jitter) { jitter_delay(); err = mdbx_env_set_geometry(db_guard.get(), -1, -1, upper_limit, -1, -1, -1); if (err != MDBX_SUCCESS && err != MDBX_UNABLE_EXTEND_MAPSIZE && err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE && err != MDBX_EPERM) failure_perror("mdbx_env_set_geometry-3", err); } db_close(); /* just 'align' nops with other tests with batching */ const auto batching = std::max(config.params.batch_read, config.params.batch_write); report(std::max(1u, batching / 2)); } return true; }