C++ util::AbstractConfiguration类代码示例

void Quota::loadFromConfig(const String & config_elem, const String & name_, Poco::Util::AbstractConfiguration & config, pcg64 & rng)
{
    name = name_;

    bool new_keyed_by_ip = config.has(config_elem + ".keyed_by_ip");
    bool new_is_keyed = new_keyed_by_ip || config.has(config_elem + ".keyed");

    if (new_is_keyed != is_keyed || new_keyed_by_ip != keyed_by_ip)
    {
        keyed_by_ip = new_keyed_by_ip;
        is_keyed = new_is_keyed;
        /// Meaning of keys has been changed. Throw away accumulated values.
        quota_for_keys.clear();
    }

    ignore_key_if_not_keyed = config.has(config_elem + ".ignore_key_if_not_keyed");

    QuotaForIntervals new_max(name, {});
    new_max.initFromConfig(config_elem, config, rng);
    if (!new_max.hasEqualConfiguration(max))
    {
        max = new_max;
        for (auto & quota : quota_for_keys)
            quota.second->setMax(max);
    }
}

void SettingsConstraints::loadFromConfig(const String & path_to_constraints, const Poco::Util::AbstractConfiguration & config)
{
    if (!config.has(path_to_constraints))
        throw Exception("There is no path '" + path_to_constraints + "' in configuration file.", ErrorCodes::NO_ELEMENTS_IN_CONFIG);

    Poco::Util::AbstractConfiguration::Keys names;
    config.keys(path_to_constraints, names);

    for (const String & name : names)
    {
        String path_to_name = path_to_constraints + "." + name;
        Poco::Util::AbstractConfiguration::Keys constraint_types;
        config.keys(path_to_name, constraint_types);
        for (const String & constraint_type : constraint_types)
        {
            auto get_constraint_value = [&]{ return config.getString(path_to_name + "." + constraint_type); };
            if (constraint_type == "min")
                setMinValue(name, get_constraint_value());
            else if (constraint_type == "max")
                setMaxValue(name, get_constraint_value());
            else if (constraint_type == "readonly")
                setReadOnly(name, true);
            else
                throw Exception("Setting " + constraint_type + " value for " + name + " isn't supported", ErrorCodes::NOT_IMPLEMENTED);
        }
    }
}

DictionaryLifetime::DictionaryLifetime(const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix)
{
	const auto & lifetime_min_key = config_prefix + ".min";
	const auto has_min = config.has(lifetime_min_key);

	this->min_sec = has_min ? config.getInt(lifetime_min_key) : config.getInt(config_prefix);
	this->max_sec = has_min ? config.getInt(config_prefix + ".max") : this->min_sec;
}

/*virtual*/
void Renderer::Initialize(uint width,uint height,bool fullScreen)
{
    Poco::Util::AbstractConfiguration* pConfigurationFile =
        Poly::Application::Get()->ConfigurationFile();

    mFpsLogging = pConfigurationFile->getBool("Renderer.LogFPS",false);
    mShadersPath = pConfigurationFile->getString("Renderer.ShadersPath","");
    mVerticalSync = pConfigurationFile->getBool("Renderer.VerticalSync",false);
}

Macros::Macros(const Poco::Util::AbstractConfiguration & config, const String & root_key)
{
    Poco::Util::AbstractConfiguration::Keys keys;
    config.keys(root_key, keys);
    for (const String & key : keys)
    {
        macros[key] = config.getString(root_key + "." + key);
    }
}

void QuotaValues<Counter>::initFromConfig(const String & config_elem, Poco::Util::AbstractConfiguration & config)
{
    queries             = config.getUInt64(config_elem + ".queries",        0);
    errors              = config.getUInt64(config_elem + ".errors",         0);
    result_rows         = config.getUInt64(config_elem + ".result_rows",    0);
    result_bytes        = config.getUInt64(config_elem + ".result_bytes",   0);
    read_rows           = config.getUInt64(config_elem + ".read_rows",      0);
    read_bytes          = config.getUInt64(config_elem + ".read_bytes",     0);
    execution_time_usec = config.getUInt64(config_elem + ".execution_time", 0) * 1000000ULL;
}

void SettingsConstraints::setProfile(const String & profile_name, const Poco::Util::AbstractConfiguration & config)
{
    String parent_profile = "profiles." + profile_name + ".profile";
    if (config.has(parent_profile))
        setProfile(parent_profile, config); // Inheritance of one profile from another.

    String path_to_constraints = "profiles." + profile_name + ".constraints";
    if (config.has(path_to_constraints))
        loadFromConfig(path_to_constraints, config);
}

std::unique_ptr<RegionsHierarchies> GeoDictionariesLoader::reloadRegionsHierarchies(
    const Poco::Util::AbstractConfiguration & config)
{
    static constexpr auto config_key = "path_to_regions_hierarchy_file";

    if (!config.has(config_key))
        return {};

    const auto default_hierarchy_file = config.getString(config_key);
    auto data_provider = std::make_unique<RegionsHierarchiesDataProvider>(default_hierarchy_file);
    return std::make_unique<RegionsHierarchies>(std::move(data_provider));
}

void Settings::loadSettingsFromConfig(const String & path, const Poco::Util::AbstractConfiguration & config)
{
	if (!config.has(path))
		throw Exception("There is no path '" + path + "' in configuration file.", ErrorCodes::NO_ELEMENTS_IN_CONFIG);

	Poco::Util::AbstractConfiguration::Keys config_keys;
	config.keys(path, config_keys);

	for (const std::string & key : config_keys)
	{
		set(key, config.getString(path + "." + key));
	}
}

HTTPDictionarySource::HTTPDictionarySource(const DictionaryStructure & dict_struct_,
    const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix,
    Block & sample_block, const Context & context)
    : log(&Logger::get("HTTPDictionarySource")),
    update_time{std::chrono::system_clock::from_time_t(0)},
    dict_struct{dict_struct_},
    url{config.getString(config_prefix + ".url", "")},
    update_field{config.getString(config_prefix + ".update_field", "")},
    format{config.getString(config_prefix + ".format")},
    sample_block{sample_block},
    context(context),
    timeouts(ConnectionTimeouts::getHTTPTimeouts(context.getSettingsRef()))
{
}

MySQLDictionarySource::MySQLDictionarySource(const DictionaryStructure & dict_struct_,
	const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix,
	const Block & sample_block)
	: dict_struct{dict_struct_},
	  db{config.getString(config_prefix + ".db", "")},
	  table{config.getString(config_prefix + ".table")},
	  where{config.getString(config_prefix + ".where", "")},
	  dont_check_update_time{config.getBool(config_prefix + ".dont_check_update_time", false)},
	  sample_block{sample_block},
	  pool{config, config_prefix},
	  query_builder{dict_struct, db, table, where},
	  load_all_query{query_builder.composeLoadAllQuery()}
{
}

LibraryDictionarySource::LibraryDictionarySource(
    const DictionaryStructure & dict_struct_,
    const Poco::Util::AbstractConfiguration & config,
    const std::string & config_prefix,
    Block & sample_block)
    : log(&Logger::get("LibraryDictionarySource"))
    , dict_struct{dict_struct_}
    , config_prefix{config_prefix}
    , path{config.getString(config_prefix + ".path", "")}
    , sample_block{sample_block}
{
    if (!Poco::File(path).exists())
        throw Exception(
            "LibraryDictionarySource: Can't load lib " + toString() + ": " + Poco::File(path).path() + " - File doesn't exist",
            ErrorCodes::FILE_DOESNT_EXIST);
    description.init(sample_block);
    library = std::make_shared<SharedLibrary>(path, RTLD_LAZY
#if defined(RTLD_DEEPBIND) // Does not exists in freebsd
        | RTLD_DEEPBIND
#endif
    );
    settings = std::make_shared<CStringsHolder>(getLibSettings(config, config_prefix + lib_config_settings));
    if (auto libNew = library->tryGet<decltype(lib_data) (*)(decltype(&settings->strings), decltype(&ClickHouseLibrary::log))>(
            "ClickHouseDictionary_v3_libNew"))
        lib_data = libNew(&settings->strings, ClickHouseLibrary::log);
}

SystemLogs::SystemLogs(Context & global_context, const Poco::Util::AbstractConfiguration & config)
{
    query_log = createSystemLog<QueryLog>(global_context, "system", "query_log", config, "query_log");
    query_thread_log = createSystemLog<QueryThreadLog>(global_context, "system", "query_thread_log", config, "query_thread_log");
    part_log = createSystemLog<PartLog>(global_context, "system", "part_log", config, "part_log");

    part_log_database = config.getString("part_log.database", "system");
}

void Utility::copyDeltaProperties(const Poco::Util::AbstractConfiguration& ref, const Poco::Util::AbstractConfiguration& source, Poco::Util::AbstractConfiguration& target, const std::set<std::string>& excludeSet, const std::string& root)
{
	Poco::Util::AbstractConfiguration::Keys keys;
	source.keys(root, keys);

	if (keys.empty() && source.hasProperty(root))
	{
		if ((ref.hasProperty(root) && ref.getRawString(root) != source.getRawString(root)) || !ref.hasProperty(root))
		{
			target.setString(root, source.getRawString(root));
		}
	}
	else
	{
		for (Poco::Util::AbstractConfiguration::Keys::const_iterator it = keys.begin(); it != keys.end(); ++it)
		{
			std::string fullKey = root;
			if (!fullKey.empty()) fullKey += '.';
			fullKey.append(*it);
			if (excludeSet.find(fullKey) == excludeSet.end())
			{
				copyDeltaProperties(ref, source, target, excludeSet, fullKey);
			}
		}
	}
}

DictionaryStructure::DictionaryStructure(const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix)
{
	const auto has_id = config.has(config_prefix + ".id");
	const auto has_key = config.has(config_prefix + ".key");

	if (has_key && has_id)
		throw Exception{"Only one of 'id' and 'key' should be specified", ErrorCodes::BAD_ARGUMENTS};

	if (has_id)
		id.emplace(config, config_prefix + ".id");
	else if (has_key)
	{
		key.emplace(getAttributes(config, config_prefix + ".key", false, false));
		if (key->empty())
			throw Exception{"Empty 'key' supplied", ErrorCodes::BAD_ARGUMENTS};
	}
	else
		throw Exception{"Dictionary structure should specify either 'id' or 'key'", ErrorCodes::BAD_ARGUMENTS};

	if (id)
	{
		if (id->name.empty())
			throw Exception{"'id' cannot be empty", ErrorCodes::BAD_ARGUMENTS};

		if (config.has(config_prefix + ".range_min"))
			range_min.emplace(config, config_prefix + ".range_min");

		if (config.has(config_prefix + ".range_max"))
			range_max.emplace(config, config_prefix + ".range_max");

		if (!id->expression.empty() ||
			(range_min && !range_min->expression.empty()) ||
			(range_max && !range_max->expression.empty()))
			has_expressions = true;
	}

	attributes = getAttributes(config, config_prefix);
	if (attributes.empty())
		throw Exception{"Dictionary has no attributes defined", ErrorCodes::BAD_ARGUMENTS};
}