alexaClientSDK::avsCommon::utils::logger Namespace Reference

Namespaces
	test

Classes
class	ConsoleLogger
class	LogEntry
	LogEntry is used to compile the log entry text to log via Logger. More...
class	LogEntryBuffer
class	LogEntryStream
class	Logger
class	LoggerSinkManager
class	LogLevelObserverInterface
class	LogStringFormatter
class	ModuleLogger
class	SinkObserverInterface
class	ThreadMoniker

Enumerations
enum	Level {   Level::DEBUG9, Level::DEBUG8, Level::DEBUG7, Level::DEBUG6,   Level::DEBUG5, Level::DEBUG4, Level::DEBUG3, Level::DEBUG2,   Level::DEBUG1, Level::DEBUG0, Level::INFO, Level::WARN,   Level::ERROR, Level::CRITICAL, Level::NONE, Level::UNKNOWN }

Functions
std::shared_ptr< Logger >	getConsoleLogger ()
std::string	convertLevelToName (Level level)
char	convertLevelToChar (Level level)
Level	convertNameToLevel (const std::string &name)
std::ostream &	operator<< (std::ostream &stream, Level level)
std::shared_ptr< Logger >	ACSDK_GET_SINK_LOGGER ()
std::shared_ptr< Logger >	ACSDK_GET_LOGGER_FUNCTION ()
void	acsdkDebug9 (const LogEntry &entry)
void	acsdkDebug8 (const LogEntry &entry)
void	acsdkDebug7 (const LogEntry &entry)
void	acsdkDebug6 (const LogEntry &entry)
void	acsdkDebug5 (const LogEntry &entry)
void	acsdkDebug4 (const LogEntry &entry)
void	acsdkDebug3 (const LogEntry &entry)
void	acsdkDebug2 (const LogEntry &entry)
void	acsdkDebug1 (const LogEntry &entry)
void	acsdkDebug0 (const LogEntry &entry)
void	acsdkDebug (const LogEntry &entry)
void	acsdkInfo (const LogEntry &entry)
void	acsdkWarn (const LogEntry &entry)
void	acsdkError (const LogEntry &entry)
void	acsdkCritical (const LogEntry &entry)
void	logEntry (Level level, const LogEntry &entry)
void	dumpBytesToStream (std::ostream &stream, const char *prefix, size_t width, const unsigned char *data, size_t size)
static std::atomic< int >	g_nextThreadMoniker (1)
	Counter to generate (small) unique thread monikers. More...
std::shared_ptr< Logger >	getLoggerTestLogger ()

Variables
static const std::string	CONFIG_KEY_DEFAULT_LOGGER = "consoleLogger"
	Configuration key for DefaultLogger settings. More...
static const char *	RESERVED_METADATA_CHARS = R"(\,=:)"
	List of characters we need to escape. More...
static const std::string	ESCAPED_METADATA_ESCAPE = R"(\\)"
	Escape sequence for ''. More...
static const std::string	ESCAPED_PAIR_SEPARATOR = R"(\,)"
	Escape sequence for ','. More...
static const std::string	ESCAPED_SECTION_SEPARATOR = R"(\:)"
	Escape sequence for ':'. More...
static const std::string	ESCAPED_KEY_VALUE_SEPARATOR = R"(\=)"
	Escape sequence for '='. More...
static const char	METADATA_ESCAPE = '\\'
	Reserved in metadata sequences for escaping other reserved values. More...
static const char	PAIR_SEPARATOR = ','
	Reserved in metadata sequences to separate key,value pairs. More...
static const char	SECTION_SEPARATOR = ':'
	Reserved in metadata sequences to separate them from a preceding event and an optional terminal message. More...
static const std::string	BOOL_TRUE = "true"
	String for boolean TRUE. More...
static const std::string	BOOL_FALSE = "false"
	String for boolean FALSE. More...
static const std::string	CONFIG_KEY_LOGGER = "logger"
	Configuration key for root level "logger" object. More...
static const std::string	CONFIG_KEY_LOG_LEVEL = "logLevel"
	Configuration key for "logLevel" values under "logger" and other per-module objects. More...
static constexpr auto	AT_EXIT_THREAD_ID = "0"
static const char *	STRFTIME_FORMAT_STRING = "%Y-%m-%d %H:%M:%S"
	Format string for strftime() to produce date and time in the format "YYYY-MM-DD HH:MM:SS". More...
static const int	DATE_AND_TIME_STRING_SIZE = 20
	Size of buffer needed to hold "YYYY-MM-DD HH:MM:SS" and a null terminator. More...
static const char	TIME_AND_MILLIS_SEPARATOR = '.'
	Separator between date/time and millis. More...
static const char *	MILLIS_FORMAT_STRING = "%03d"
static const int	MILLIS_STRING_SIZE = 4
	Size of buffer needed to hold "nnn" (milliseconds value) and a null terminator. More...
static const std::string	MILLIS_AND_THREAD_SEPARATOR = " ["
	Separator string between milliseconds value and ExampleLogger name. More...
static const std::string	THREAD_AND_LEVEL_SEPARATOR = "] "
	Separator between thread ID and level indicator in log lines. More...
static const char	LEVEL_AND_TEXT_SEPARATOR = ' '
	Separator between level indicator and text in log lines. More...
static const int	MILLISECONDS_PER_SECOND = 1000
	Number of milliseconds per second. More...

Enumeration Type Documentation

Level

enum alexaClientSDK::avsCommon::utils::logger::Level

strong

Enum used to specify the severity assigned to a log message.

Enumerator
DEBUG9	Most verbose debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG8	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG7	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG6	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG5	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG4	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG3	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG2	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG1	Intermediate debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
DEBUG0	Least verbose debug log level. Compiled out when ACSDK_DEBUG_LOG_ENABLED is not defined.
INFO	Logs of normal operations, to be used in release builds.
WARN	Log of an event that may indicate a problem.
ERROR	Log of an event that indicates an error.
CRITICAL	Log of a event that indicates an unrecoverable error.
NONE	Level used to disable all logging.
UNKNOWN	An unknown severity level.

Function Documentation

ACSDK_GET_LOGGER_FUNCTION()

std::shared_ptr<Logger> alexaClientSDK::avsCommon::utils::logger::ACSDK_GET_LOGGER_FUNCTION ( )

inline

Inline method to get the function that ACSDK_<LEVEL> macros will send logs to. In this case ACSDK_LOG_MODULE was not defined, so logs are sent to the Logger returned by get<ACSDK_LOG_SINK>Logger().

ACSDK_GET_SINK_LOGGER()

std::shared_ptr<Logger> alexaClientSDK::avsCommon::utils::logger::ACSDK_GET_SINK_LOGGER

(

)

Get the Logger that logs should be sent to.

Returns

The Logger that logs should be sent to.

acsdkCritical()

void alexaClientSDK::avsCommon::utils::logger::acsdkCritical

(

const LogEntry &

entry

)

Log a Level::CRITICAL severity entry.

Parameters

entry

A log entry.

acsdkDebug()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG0 severity entry.

Parameters

entry

A log entry.

acsdkDebug0()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug0

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG0 severity entry.

Parameters

entry

A log entry.

acsdkDebug1()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug1

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG1 severity entry.

Parameters

entry

A log entry.

acsdkDebug2()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug2

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG2 severity entry.

Parameters

entry

A log entry.

acsdkDebug3()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug3

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG3 severity entry.

Parameters

entry

A log entry.

acsdkDebug4()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug4

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG4 severity entry.

Parameters

entry

A log entry.

acsdkDebug5()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug5

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG5 severity entry.

Parameters

entry

A log entry.

acsdkDebug6()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug6

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG6 severity entry.

Parameters

entry

A log entry.

acsdkDebug7()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug7

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG7 severity entry.

Parameters

entry

A log entry.

acsdkDebug8()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug8

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG8 severity entry.

Parameters

entry

A log entry.

acsdkDebug9()

void alexaClientSDK::avsCommon::utils::logger::acsdkDebug9

(

const LogEntry &

entry

)

Log a LEVEL::DEBUG9 severity entry.

Parameters

entry

A log entry.

acsdkError()

void alexaClientSDK::avsCommon::utils::logger::acsdkError

(

const LogEntry &

entry

)

Log a Level::ERROR severity entry.

Parameters

entry

A log entry.

acsdkInfo()

void alexaClientSDK::avsCommon::utils::logger::acsdkInfo

(

const LogEntry &

entry

)

Log a Level::INFO severity entry.

Parameters

entry

A log entry.

acsdkWarn()

void alexaClientSDK::avsCommon::utils::logger::acsdkWarn

(

const LogEntry &

entry

)

Log a Level::WARN severity entry.

Parameters

entry

A log entry.

convertLevelToChar()

char alexaClientSDK::avsCommon::utils::logger::convertLevelToChar

(

Level

level

)

Get a character corresponding to a Level value. The characters returned are unique per log level and are intended to be used to minimize the space taken up by the level specifier in log lines.

Parameters

level

The Level for which to get the corresponding character.

Returns

The character corresponding to the level. If the level is not recognized, returns 'U'.

convertLevelToName()

std::string alexaClientSDK::avsCommon::utils::logger::convertLevelToName

(

Level

level

)

Get the name of a Level value.

Parameters

level

The Level to get the name of.

Returns

Returns the name of the Level. If the level is not recognized, returns "UNKNOWN".

convertNameToLevel()

Level alexaClientSDK::avsCommon::utils::logger::convertNameToLevel

(

const std::string &

name

)

Get the Level corresponding to a Level name.

Parameters

name	The name corresponding to the desired Level value.

Returns

The Level corresponding to the specified name. If the name is not recognized, returns Level::UNKNOWN.

dumpBytesToStream()

void alexaClientSDK::avsCommon::utils::logger::dumpBytesToStream	(	std::ostream &	stream,
		const char *	prefix,
		size_t	width,
		const unsigned char *	data,
		size_t	size
	)

Stream out an array of bytes as a hex dump.

Parameters

stream	The stream to render to.
prefix	A prefix added to each row.
width	The number of bytes to output per row.
data	The bytes to render.
size	The number of bytes to render.

g_nextThreadMoniker()

static std::atomic<int> alexaClientSDK::avsCommon::utils::logger::g_nextThreadMoniker ( 1  )

static

Counter to generate (small) unique thread monikers.

getConsoleLogger()

std::shared_ptr< Logger > alexaClientSDK::avsCommon::utils::logger::getConsoleLogger

(

)

Return the singleton instance of ConsoleLogger.

Returns

The singleton instance of ConsoleLogger.

getLoggerTestLogger()

std::shared_ptr<Logger> alexaClientSDK::avsCommon::utils::logger::getLoggerTestLogger

(

)

Function for ACSDK_* macros to use to get the Logger to use.

Returns

The Logger to use.

logEntry()

void alexaClientSDK::avsCommon::utils::logger::logEntry	(	Level	level,
		const LogEntry &	entry
	)

Logs an entry at a severity level using the logger instance defined by ACSDK_GET_LOGGER_FUNCTION (refer to Logger.h).

Parameters

level	The severity level of the log.
entry	A log entry.

operator<<()

std::ostream& alexaClientSDK::avsCommon::utils::logger::operator<< ( std::ostream &  stream, Level  level  )

inline

Write a log severity Level value to an ostream as a string.

Parameters

stream	The stream to write the value to.
level	The Level value to write to the ostream as a string.

Returns

The ostream that was passed in and written to.

Variable Documentation

AT_EXIT_THREAD_ID

constexpr auto alexaClientSDK::avsCommon::utils::logger::AT_EXIT_THREAD_ID = "0"

static

BOOL_FALSE

const std::string alexaClientSDK::avsCommon::utils::logger::BOOL_FALSE = "false"

static

String for boolean FALSE.

BOOL_TRUE

const std::string alexaClientSDK::avsCommon::utils::logger::BOOL_TRUE = "true"

static

String for boolean TRUE.

CONFIG_KEY_DEFAULT_LOGGER

const std::string alexaClientSDK::avsCommon::utils::logger::CONFIG_KEY_DEFAULT_LOGGER = "consoleLogger"

static

Configuration key for DefaultLogger settings.

CONFIG_KEY_LOG_LEVEL

const std::string alexaClientSDK::avsCommon::utils::logger::CONFIG_KEY_LOG_LEVEL = "logLevel"

static

Configuration key for "logLevel" values under "logger" and other per-module objects.

CONFIG_KEY_LOGGER

const std::string alexaClientSDK::avsCommon::utils::logger::CONFIG_KEY_LOGGER = "logger"

static

Configuration key for root level "logger" object.

DATE_AND_TIME_STRING_SIZE

const int alexaClientSDK::avsCommon::utils::logger::DATE_AND_TIME_STRING_SIZE = 20

static

Size of buffer needed to hold "YYYY-MM-DD HH:MM:SS" and a null terminator.

ESCAPED_KEY_VALUE_SEPARATOR

const std::string alexaClientSDK::avsCommon::utils::logger::ESCAPED_KEY_VALUE_SEPARATOR = R"(\=)"

static

Escape sequence for '='.

ESCAPED_METADATA_ESCAPE

const std::string alexaClientSDK::avsCommon::utils::logger::ESCAPED_METADATA_ESCAPE = R"(\\)"

static

Escape sequence for ''.

ESCAPED_PAIR_SEPARATOR

const std::string alexaClientSDK::avsCommon::utils::logger::ESCAPED_PAIR_SEPARATOR = R"(\,)"

static

Escape sequence for ','.

ESCAPED_SECTION_SEPARATOR

const std::string alexaClientSDK::avsCommon::utils::logger::ESCAPED_SECTION_SEPARATOR = R"(\:)"

static

Escape sequence for ':'.

LEVEL_AND_TEXT_SEPARATOR

const char alexaClientSDK::avsCommon::utils::logger::LEVEL_AND_TEXT_SEPARATOR = ' '

static

Separator between level indicator and text in log lines.

METADATA_ESCAPE

const char alexaClientSDK::avsCommon::utils::logger::METADATA_ESCAPE = '\\'

static

Reserved in metadata sequences for escaping other reserved values.

MILLIS_AND_THREAD_SEPARATOR

const std::string alexaClientSDK::avsCommon::utils::logger::MILLIS_AND_THREAD_SEPARATOR = " ["

static

Separator string between milliseconds value and ExampleLogger name.

MILLIS_FORMAT_STRING

const char* alexaClientSDK::avsCommon::utils::logger::MILLIS_FORMAT_STRING = "%03d"

static

MILLIS_STRING_SIZE

const int alexaClientSDK::avsCommon::utils::logger::MILLIS_STRING_SIZE = 4

static

Size of buffer needed to hold "nnn" (milliseconds value) and a null terminator.

MILLISECONDS_PER_SECOND

const int alexaClientSDK::avsCommon::utils::logger::MILLISECONDS_PER_SECOND = 1000

static

Number of milliseconds per second.

PAIR_SEPARATOR

const char alexaClientSDK::avsCommon::utils::logger::PAIR_SEPARATOR = ','

static

Reserved in metadata sequences to separate key,value pairs.

RESERVED_METADATA_CHARS

const char* alexaClientSDK::avsCommon::utils::logger::RESERVED_METADATA_CHARS = R"(\,=:)"

static

List of characters we need to escape.

SECTION_SEPARATOR

const char alexaClientSDK::avsCommon::utils::logger::SECTION_SEPARATOR = ':'

static

Reserved in metadata sequences to separate them from a preceding event and an optional terminal message.

STRFTIME_FORMAT_STRING

const char* alexaClientSDK::avsCommon::utils::logger::STRFTIME_FORMAT_STRING = "%Y-%m-%d %H:%M:%S"

static

Format string for strftime() to produce date and time in the format "YYYY-MM-DD HH:MM:SS".

THREAD_AND_LEVEL_SEPARATOR

const std::string alexaClientSDK::avsCommon::utils::logger::THREAD_AND_LEVEL_SEPARATOR = "] "

static

Separator between thread ID and level indicator in log lines.

TIME_AND_MILLIS_SEPARATOR

const char alexaClientSDK::avsCommon::utils::logger::TIME_AND_MILLIS_SEPARATOR = '.'

static

Separator between date/time and millis.