mirror of
https://github.com/isar/libmdbx.git
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339 lines
11 KiB
C++
339 lines
11 KiB
C++
/*
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* Copyright 2017-2023 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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#pragma once
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#include "base.h++"
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#include "chrono.h++"
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#include "config.h++"
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#include "keygen.h++"
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#include "log.h++"
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#include "osal.h++"
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#include "utils.h++"
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#include <deque>
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#include <set>
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#include <stack>
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#include <tuple>
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#ifndef HAVE_cxx17_std_string_view
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#if __cplusplus >= 201703L && __has_include(<string_view>)
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#include <string_view>
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#define HAVE_cxx17_std_string_view 1
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#else
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#define HAVE_cxx17_std_string_view 0
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#endif
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#endif /* HAVE_cxx17_std_string_view */
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#if HAVE_cxx17_std_string_view
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#include <string_view>
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#endif
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bool test_execute(const actor_config &config);
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std::string thunk_param(const actor_config &config);
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void testcase_setup(const char *casename, const actor_params ¶ms,
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unsigned &last_space_id);
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void configure_actor(unsigned &last_space_id, const actor_testcase testcase,
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const char *space_id_cstr, actor_params params);
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void keycase_setup(const char *casename, actor_params ¶ms);
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namespace global {
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extern const char thunk_param_prefix[];
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extern std::vector<actor_config> actors;
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extern std::unordered_map<unsigned, actor_config *> events;
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extern std::unordered_map<mdbx_pid_t, actor_config *> pid2actor;
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extern std::set<std::string> databases;
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extern unsigned nactors;
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extern chrono::time start_monotonic;
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extern chrono::time deadline_monotonic;
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extern bool singlemode;
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namespace config {
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extern unsigned timeout_duration_seconds;
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extern bool dump_config;
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extern bool cleanup_before;
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extern bool cleanup_after;
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extern bool failfast;
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extern bool progress_indicator;
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extern bool console_mode;
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extern bool geometry_jitter;
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} /* namespace config */
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} /* namespace global */
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//-----------------------------------------------------------------------------
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struct db_deleter /* : public std::unary_function<void, MDBX_env *> */ {
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void operator()(MDBX_env *env) const { mdbx_env_close(env); }
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};
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struct txn_deleter /* : public std::unary_function<void, MDBX_txn *> */ {
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void operator()(MDBX_txn *txn) const {
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int rc = mdbx_txn_abort(txn);
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if (rc)
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log_trouble(__func__, "mdbx_txn_abort()", rc);
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}
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};
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struct cursor_deleter /* : public std::unary_function<void, MDBX_cursor *> */ {
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void operator()(MDBX_cursor *cursor) const { mdbx_cursor_close(cursor); }
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};
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using scoped_db_guard = std::unique_ptr<MDBX_env, db_deleter>;
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using scoped_txn_guard = std::unique_ptr<MDBX_txn, txn_deleter>;
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using scoped_cursor_guard = std::unique_ptr<MDBX_cursor, cursor_deleter>;
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//-----------------------------------------------------------------------------
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class testcase;
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class registry {
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struct record {
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actor_testcase id = ac_none;
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std::string name;
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bool (*review_params)(actor_params &) = nullptr;
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testcase *(*constructor)(const actor_config &, const mdbx_pid_t) = nullptr;
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};
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std::unordered_map<std::string, const record *> name2id;
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std::unordered_map<int, const record *> id2record;
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static bool add(const record *item);
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static registry *instance();
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public:
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template <class TESTCASE> struct factory : public record {
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factory(const actor_testcase id, const char *name) {
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this->id = id;
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this->name = name;
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review_params = TESTCASE::review_params;
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constructor = [](const actor_config &config,
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const mdbx_pid_t pid) -> testcase * {
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return new TESTCASE(config, pid);
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};
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add(this);
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}
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};
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static bool review_actor_params(const actor_testcase id,
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actor_params ¶ms);
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static testcase *create_actor(const actor_config &config,
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const mdbx_pid_t pid);
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};
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#define REGISTER_TESTCASE(NAME) \
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static registry::factory<testcase_##NAME> gRegister_##NAME( \
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ac_##NAME, MDBX_STRINGIFY(NAME))
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class testcase {
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protected:
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using data_view = mdbx::slice;
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static inline data_view iov2dataview(const MDBX_val &v) {
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return (v.iov_base && v.iov_len)
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? data_view(static_cast<const char *>(v.iov_base), v.iov_len)
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: data_view();
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}
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static inline data_view iov2dataview(const keygen::buffer &b) {
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return iov2dataview(b->value);
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}
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using Item = std::pair<::mdbx::buffer<>, ::mdbx::buffer<>>;
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static MDBX_val dataview2iov(const data_view &v) {
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MDBX_val r;
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r.iov_base = (void *)v.data();
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r.iov_len = v.size();
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return r;
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}
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struct ItemCompare {
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const testcase *context;
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ItemCompare(const testcase *owner) : context(owner) {
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/* The context->txn_guard may be empty/null here */
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}
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bool operator()(const Item &a, const Item &b) const {
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MDBX_val va = dataview2iov(a.first), vb = dataview2iov(b.first);
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assert(context->txn_guard.get() != nullptr);
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int cmp = mdbx_cmp(context->txn_guard.get(), context->dbi, &va, &vb);
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if (cmp == 0 &&
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(context->config.params.table_flags & MDBX_DUPSORT) != 0) {
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va = dataview2iov(a.second);
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vb = dataview2iov(b.second);
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cmp = mdbx_dcmp(context->txn_guard.get(), context->dbi, &va, &vb);
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}
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return cmp < 0;
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}
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};
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// for simplify the set<pair<key,value>>
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// is used instead of multimap<key,value>
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using SET = std::set<Item, ItemCompare>;
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const actor_config &config;
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const mdbx_pid_t pid;
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MDBX_dbi dbi{0};
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scoped_db_guard db_guard;
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scoped_txn_guard txn_guard;
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scoped_cursor_guard cursor_guard;
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bool signalled{false};
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bool need_speculum_assign{false};
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uint64_t nops_completed{0};
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chrono::time start_timestamp;
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keygen::buffer key;
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keygen::buffer data;
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keygen::maker keyvalue_maker;
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struct {
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MDBX_canary canary;
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} last;
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SET speculum{ItemCompare(this)}, speculum_committed{ItemCompare(this)};
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#ifndef SPECULUM_CURSORS
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#define SPECULUM_CURSORS 1
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#endif /* SPECULUM_CURSORS */
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#if SPECULUM_CURSORS
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scoped_cursor_guard speculum_cursors[5 + 1];
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void speculum_prepare_cursors(const Item &item);
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void speculum_check_cursor(const char *where, const char *stage,
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const testcase::SET::const_iterator &it,
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int cursor_err, const MDBX_val &cursor_key,
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const MDBX_val &cursor_data) const;
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void speculum_check_cursor(const char *where, const char *stage,
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const testcase::SET::const_iterator &it,
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MDBX_cursor *cursor,
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const MDBX_cursor_op op) const;
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#endif /* SPECULUM_CURSORS */
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void speculum_check_iterator(const char *where, const char *stage,
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const testcase::SET::const_iterator &it,
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const MDBX_val &k, const MDBX_val &v) const;
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void verbose(const char *where, const char *stage,
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const testcase::SET::const_iterator &it) const;
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void verbose(const char *where, const char *stage, const MDBX_val &k,
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const MDBX_val &v, int err = MDBX_SUCCESS) const;
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bool is_same(const Item &a, const Item &b) const;
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bool is_same(const SET::const_iterator &it, const MDBX_val &k,
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const MDBX_val &v) const;
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bool speculum_verify();
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bool check_batch_get();
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int insert(const keygen::buffer &akey, const keygen::buffer &adata,
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MDBX_put_flags_t flags);
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int replace(const keygen::buffer &akey, const keygen::buffer &new_value,
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const keygen::buffer &old_value, MDBX_put_flags_t flags);
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int remove(const keygen::buffer &akey, const keygen::buffer &adata);
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static int hsr_callback(const MDBX_env *env, const MDBX_txn *txn,
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mdbx_pid_t pid, mdbx_tid_t tid, uint64_t laggard,
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unsigned gap, size_t space,
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int retry) MDBX_CXX17_NOEXCEPT;
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MDBX_env_flags_t actual_env_mode{MDBX_ENV_DEFAULTS};
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bool is_nested_txn_available() const {
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return (actual_env_mode & MDBX_WRITEMAP) == 0;
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}
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void kick_progress(bool active) const;
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void db_prepare();
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void db_open();
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void db_close();
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void txn_begin(bool readonly, MDBX_txn_flags_t flags = MDBX_TXN_READWRITE);
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int breakable_commit();
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void txn_end(bool abort);
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int breakable_restart();
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void txn_restart(bool abort, bool readonly,
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MDBX_txn_flags_t flags = MDBX_TXN_READWRITE);
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void cursor_open(MDBX_dbi handle);
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void cursor_close();
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void cursor_renew();
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void txn_inject_writefault(void);
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void txn_inject_writefault(MDBX_txn *txn);
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void fetch_canary();
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void update_canary(uint64_t increment);
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void checkdata(const char *step, MDBX_dbi handle, MDBX_val key2check,
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MDBX_val expected_valued);
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unsigned txn_underutilization_x256(MDBX_txn *txn) const;
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using tablename_buf = char[32];
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const char *db_tablename(tablename_buf &buffer,
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const char *suffix = "") const;
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MDBX_dbi db_table_open(bool create, bool expect_failure = false);
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void db_table_drop(MDBX_dbi handle);
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void db_table_clear(MDBX_dbi handle, MDBX_txn *txn = nullptr);
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void db_table_close(MDBX_dbi handle);
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int db_open__begin__table_create_open_clean(MDBX_dbi &handle);
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bool is_handle_created_in_current_txn(const MDBX_dbi handle, MDBX_txn *txn);
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bool wait4start();
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void report(size_t nops_done);
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void signal();
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bool should_continue(bool check_timeout_only = false) const;
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void generate_pair(const keygen::serial_t serial, keygen::buffer &out_key,
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keygen::buffer &out_value, keygen::serial_t data_age) {
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keyvalue_maker.pair(serial, out_key, out_value, data_age, false);
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}
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void generate_pair(const keygen::serial_t serial) {
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keyvalue_maker.pair(serial, key, data, 0, true);
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}
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bool mode_readonly() const {
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return (config.params.mode_flags & MDBX_RDONLY) ? true : false;
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}
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public:
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testcase(const actor_config &config, const mdbx_pid_t pid)
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: config(config), pid(pid) {
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start_timestamp.reset();
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memset(&last, 0, sizeof(last));
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}
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static bool review_params(actor_params ¶ms) {
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// silently fix key/data length for fixed-length modes
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if ((params.table_flags & MDBX_INTEGERKEY) &&
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params.keylen_min != params.keylen_max)
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params.keylen_min = params.keylen_max;
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if ((params.table_flags & (MDBX_INTEGERDUP | MDBX_DUPFIXED)) &&
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params.datalen_min != params.datalen_max)
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params.datalen_min = params.datalen_max;
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return true;
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}
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virtual bool setup();
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virtual bool run() { return true; }
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virtual bool teardown();
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virtual ~testcase() {}
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};
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//-----------------------------------------------------------------------------
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class testcase_ttl : public testcase {
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using inherited = testcase;
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protected:
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struct {
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unsigned max_window_size{0};
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unsigned max_step_size{0};
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} sliding;
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unsigned edge2window(uint64_t edge);
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unsigned edge2count(uint64_t edge);
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public:
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testcase_ttl(const actor_config &config, const mdbx_pid_t pid)
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: inherited(config, pid) {}
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bool setup() override;
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bool run() override;
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};
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