mrs::database::MetadataLogger Class Reference

#include <metadata_logger.h>

Inheritance diagram for mrs::database::MetadataLogger:

Classes
struct	Options

Public Types
using	LogLevel = mysql_harness::logging::LogLevel
Public Types inherited from mrs::database::BufferedLogger
using	LogRecord = mysql_harness::logging::Record
using	LogRecordBuffer = std::queue< LogRecord >

Public Member Functions
void	init (mysql_harness::logging::LogLevel log_level)
void	deinit ()
void	on_metadata_available (const mrs::database::MrsSchemaVersion &schema_ver, mysqlrouter::MySQLSession *session)
void	on_metadata_version_change (const mrs::database::MrsSchemaVersion &schema_ver)
void	start (const mrs::Configuration *configuration, collector::MysqlCacheManager *cache)
void	stop ()
Public Member Functions inherited from mrs::database::BufferedLogger
void	log (const LogRecord &record)
virtual	~BufferedLogger ()

Static Public Member Functions
static MetadataLogger &	instance ()

Protected Member Functions
LogLevel	get_log_level () const
size_t	get_buffer_size () const override
std::chrono::seconds	get_flush_interval () const override
Protected Member Functions inherited from mrs::database::BufferedLogger
void	start_flush_thread ()
void	stop_flush_thread ()
void	flush_thread_run ()

Private Member Functions
	MetadataLogger ()
bool	flush_records (LogRecordBuffer &records) override
void	reconfigure (const Options &config)
void	report_dropped_logs (mysqlrouter::MySQLSession *session)
void	check_dynamic_config (mysqlrouter::MySQLSession *session)
bool	check_metadata_version_supported (const mrs::database::MrsSchemaVersion &schema_ver)
bool	is_enabled () const

Private Attributes
LogLevel	static_log_level_
Options	logger_options_
std::shared_ptr< mysql_harness::logging::ExternalHandler >	handler_
collector::MysqlCacheManager *	cache_manager_
const mrs::Configuration *	configuration_
bool	initialized_ {false}

Additional Inherited Members
Protected Attributes inherited from mrs::database::BufferedLogger
LogRecordBuffer	buffered_records_
std::mutex	mtx_
std::condition_variable	buffer_not_full_cv_
std::condition_variable	flush_thread_cv_
std::thread	flush_thread_
bool	flush_thread_is_running_ {false}
uint64_t	dropped_logs_ {0}

Member Typedef Documentation

LogLevel

using mrs::database::MetadataLogger::LogLevel = mysql_harness::logging::LogLevel

Constructor & Destructor Documentation

MetadataLogger()

mrs::database::MetadataLogger::MetadataLogger ( )

private

Member Function Documentation

check_dynamic_config()

void mrs::database::MetadataLogger::check_dynamic_config ( mysqlrouter::MySQLSession *  session )

private

check_metadata_version_supported()

bool mrs::database::MetadataLogger::check_metadata_version_supported ( const mrs::database::MrsSchemaVersion &  schema_ver )

private

deinit()

void mrs::database::MetadataLogger::deinit

(

)

flush_records()

bool mrs::database::MetadataLogger::flush_records ( LogRecordBuffer &  records )

overrideprivatevirtual

Implements mrs::database::BufferedLogger.

get_buffer_size()

size_t mrs::database::MetadataLogger::get_buffer_size ( ) const

inlineoverrideprotectedvirtual

Implements mrs::database::BufferedLogger.

get_flush_interval()

std::chrono::seconds mrs::database::MetadataLogger::get_flush_interval ( ) const

inlineoverrideprotectedvirtual

Implements mrs::database::BufferedLogger.

get_log_level()

LogLevel mrs::database::MetadataLogger::get_log_level ( ) const

inlineprotected

init()

void mrs::database::MetadataLogger::init

(

mysql_harness::logging::LogLevel

log_level

)

instance()

static MetadataLogger & mrs::database::MetadataLogger::instance ( )

inlinestatic

is_enabled()

bool mrs::database::MetadataLogger::is_enabled ( ) const

inlineprivate

on_metadata_available()

void mrs::database::MetadataLogger::on_metadata_available	(	const mrs::database::MrsSchemaVersion &	schema_ver,
		mysqlrouter::MySQLSession *	session
	)

on_metadata_version_change()

void mrs::database::MetadataLogger::on_metadata_version_change

(

const mrs::database::MrsSchemaVersion &

schema_ver

)

reconfigure()

void mrs::database::MetadataLogger::reconfigure ( const Options &  config )

private

report_dropped_logs()

void mrs::database::MetadataLogger::report_dropped_logs ( mysqlrouter::MySQLSession *  session )

private

start()

void mrs::database::MetadataLogger::start	(	const mrs::Configuration *	configuration,
		collector::MysqlCacheManager *	cache
	)

stop()

void mrs::database::MetadataLogger::stop

(

)

Member Data Documentation

cache_manager_

collector::MysqlCacheManager* mrs::database::MetadataLogger::cache_manager_

private

configuration_

const mrs::Configuration* mrs::database::MetadataLogger::configuration_

private

handler_

std::shared_ptr<mysql_harness::logging::ExternalHandler> mrs::database::MetadataLogger::handler_

private

initialized_

bool mrs::database::MetadataLogger::initialized_ {false}

private

logger_options_

Options mrs::database::MetadataLogger::logger_options_

private

static_log_level_

LogLevel mrs::database::MetadataLogger::static_log_level_

private

---

The documentation for this class was generated from the following files:

• router/src/mysql_rest_service/src/mrs/database/metadata_logger.h
• router/src/mysql_rest_service/src/mrs/database/metadata_logger.cc