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https://github.com/isar/libmdbx.git
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mdbx: рефакторинг обработки установки опций в значения по-умолчанию.
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
parent
54b15d7e41
commit
b959e217b1
63
src/core.c
63
src/core.c
@ -24359,14 +24359,14 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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bool should_unlock = false;
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switch (option) {
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case MDBX_opt_sync_bytes:
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if (value == UINT64_MAX)
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value = SIZE_MAX - 65536;
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if (value == /* default */ UINT64_MAX)
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value = MAX_WRITE;
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if (unlikely(env->me_flags & MDBX_RDONLY))
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return MDBX_EACCESS;
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if (unlikely(!(env->me_flags & MDBX_ENV_ACTIVE)))
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return MDBX_EPERM;
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if (unlikely(value > SIZE_MAX - 65536))
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return MDBX_TOO_LARGE;
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return MDBX_EINVAL;
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value = bytes2pgno(env, (size_t)value + env->me_psize - 1);
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if ((uint32_t)value != atomic_load32(&env->me_lck->mti_autosync_threshold,
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mo_AcquireRelease) &&
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@ -24382,14 +24382,14 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_sync_period:
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if (value == UINT64_MAX)
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value = UINT32_MAX;
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if (value == /* default */ UINT64_MAX)
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value = 2780315 /* 42.42424 секунды */;
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if (unlikely(env->me_flags & MDBX_RDONLY))
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return MDBX_EACCESS;
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if (unlikely(!(env->me_flags & MDBX_ENV_ACTIVE)))
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return MDBX_EPERM;
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if (unlikely(value > UINT32_MAX))
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return MDBX_TOO_LARGE;
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return MDBX_EINVAL;
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value = osal_16dot16_to_monotime((uint32_t)value);
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if (value != atomic_load64(&env->me_lck->mti_autosync_period,
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mo_AcquireRelease) &&
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@ -24404,8 +24404,8 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_max_db:
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if (value == UINT64_MAX)
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value = MDBX_MAX_DBI;
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if (value == /* default */ UINT64_MAX)
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value = 42;
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if (unlikely(value > MDBX_MAX_DBI))
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return MDBX_EINVAL;
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if (unlikely(env->me_map))
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@ -24414,7 +24414,7 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_max_readers:
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if (value == UINT64_MAX)
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if (value == /* default */ UINT64_MAX)
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value = MDBX_READERS_LIMIT;
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if (unlikely(value < 1 || value > MDBX_READERS_LIMIT))
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return MDBX_EINVAL;
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@ -24424,7 +24424,7 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_dp_reserve_limit:
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if (value == UINT64_MAX)
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if (value == /* default */ UINT64_MAX)
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value = INT_MAX;
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if (unlikely(value > INT_MAX))
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return MDBX_EINVAL;
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@ -24450,7 +24450,7 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_rp_augment_limit:
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if (value == UINT64_MAX) {
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if (value == /* default */ UINT64_MAX) {
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env->me_options.flags.non_auto.rp_augment_limit = 0;
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env->me_options.rp_augment_limit = default_rp_augment_limit(env);
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} else if (unlikely(value > MDBX_PGL_LIMIT))
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@ -24463,7 +24463,7 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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case MDBX_opt_txn_dp_limit:
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case MDBX_opt_txn_dp_initial:
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if (value == UINT64_MAX)
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if (value == /* default */ UINT64_MAX)
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value = MDBX_PGL_LIMIT;
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if (unlikely(value > MDBX_PGL_LIMIT || value < CURSOR_STACK * 4))
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return MDBX_EINVAL;
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@ -24498,34 +24498,38 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_spill_max_denominator:
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if (value == UINT64_MAX)
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value = 255;
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if (value == /* default */ UINT64_MAX)
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value = 8;
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if (unlikely(value > 255))
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return MDBX_EINVAL;
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env->me_options.spill_max_denominator = (uint8_t)value;
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break;
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case MDBX_opt_spill_min_denominator:
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if (value == /* default */ UINT64_MAX)
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value = 8;
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if (unlikely(value > 255))
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return MDBX_EINVAL;
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env->me_options.spill_min_denominator = (uint8_t)value;
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break;
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case MDBX_opt_spill_parent4child_denominator:
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if (value == /* default */ UINT64_MAX)
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value = 0;
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if (unlikely(value > 255))
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return MDBX_EINVAL;
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env->me_options.spill_parent4child_denominator = (uint8_t)value;
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break;
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case MDBX_opt_loose_limit:
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if (value == UINT64_MAX)
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value = 255;
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if (value == /* default */ UINT64_MAX)
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value = 64;
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if (unlikely(value > 255))
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return MDBX_EINVAL;
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env->me_options.dp_loose_limit = (uint8_t)value;
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break;
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case MDBX_opt_merge_threshold_16dot16_percent:
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if (value == UINT64_MAX)
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value = 32768;
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if (value == /* default */ UINT64_MAX)
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value = 65536 / 4 /* 25% */;
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if (unlikely(value < 8192 || value > 32768))
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return MDBX_EINVAL;
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env->me_options.merge_threshold_16dot16_percent = (unsigned)value;
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@ -24533,23 +24537,22 @@ __cold int mdbx_env_set_option(MDBX_env *env, const MDBX_option_t option,
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break;
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case MDBX_opt_writethrough_threshold:
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#if defined(_WIN32) || defined(_WIN64)
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/* позволяем "установить" значение по-умолчанию и совпадающее
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* с поведением соответствующим текущей установке MDBX_NOMETASYNC */
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if (value == /* default */ UINT64_MAX &&
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value != ((env->me_flags & MDBX_NOMETASYNC) ? 0 : UINT_MAX))
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err = MDBX_EINVAL;
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#else
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if (value == /* default */ UINT64_MAX)
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value = MDBX_WRITETHROUGH_THRESHOLD_DEFAULT;
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if (value != (unsigned)value)
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err = MDBX_EINVAL;
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else
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#if defined(_WIN32) || defined(_WIN64)
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/* позволяем "установить" значение по-умолчанию и совпадающее
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* с поведением соответствующим текущей установке MDBX_NOMETASYNC */
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if ((unsigned)-1 != (unsigned)value &&
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value != ((env->me_flags & MDBX_NOMETASYNC) ? 0 : INT_MAX))
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err = MDBX_EINVAL;
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#else
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env->me_options.writethrough_threshold =
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((unsigned)-1 == (unsigned)value)
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? MDBX_WRITETHROUGH_THRESHOLD_DEFAULT
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: (unsigned)value;
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env->me_options.writethrough_threshold = (unsigned)value;
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#endif
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break;
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default:
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return MDBX_EINVAL;
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}
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