logging.h File Reference

Debug/event logging interface. More...

#include <config.h>
#include <cstring>
#include <cstdarg>
#include <iostream>
#include <utility>

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Macros
#define	LOG_WHERE(level)   (level), trim_filename(__FILE__), ":", __LINE__, " ", __func__, " (", #level, "): "
#define	LOG_FUNCTION(level)   (level), trim_filename(__FILE__), ":", __LINE__, " ", __func__, " (", #level, "): "

Typedefs
using	Log = LogType

Enumerations
enum class	LogType {   ERROR = 0 , LOG_000 = 0x01 , LOG_100 = 0x02 , LOG_200 = 0x04 ,   LOG_300 = 0x08 , LOG_400 = 0x10 , LOG_500 = 0x20 , GENERAL = 0x80 ,   WARNING = 0x200 , QUEUE = 0x400 , USERACTION = 0x1000 , PROTOCOL = 0x2000 ,   ALLOCATIONS = 0x4000 , CACHES = 0x8000 , TUNING = 0x10000 , BIASING = 0x20000 ,   METADATA = 0x40000 , AUDIO = 0x80000 , PANDORA = 0x100000 , FILESYSTEM = 0x2000000 }

Functions
void	set_logging (LogType logtype)
	Set the logging selections. More...
LogType	get_logging ()
void	flog_timestamp ()
	Logging helper subroutine to format and emit the time. More...
constexpr LogType	operator| (const LogType a, const LogType b)
	Allow LogType values to be OR'ed together. More...
constexpr LogType	operator& (const LogType a, const LogType b)
	Allow LogType values to be AND'ed apart. More...
constexpr LogType	operator^ (const LogType a, const LogType b)
	Allow LogType values to be toggled. More...
constexpr LogType	operator- (const LogType a, const LogType b)
	Allow LogType values to have bits removed.. More...
static const char *	trim_filename (const char *path)
void	flog_details (void)
	Implement empty argument list for flogging. More...
bool	logging_enabled (LogType level)
template<typename OutputItem , typename... MoreItems>
void	flog_details (OutputItem message, MoreItems &&... more)
	Recurse while there are arguments for flogging. More...
template<typename... MoreItems>
void	flog (LogType level, MoreItems &&... more)
	Log messages when their logging category is enabled. More...

Variables
LogType	flogging_level
bool	flog_include_timestamp

Detailed Description

Debug/event logging interface.

• pianod project

  Author

  Perette Barella

  Date

  2012-03-16

  Copyright

  Copyright 2012–2023 Devious Fish. All rights reserved.

Macro Definition Documentation

LOG_FUNCTION

#define LOG_FUNCTION

(

level

)

(level), trim_filename(__FILE__), ":", __LINE__, " ", __func__, " (", #level, "): "

LOG_WHERE

#define LOG_WHERE

(

level

)

(level), trim_filename(__FILE__), ":", __LINE__, " ", __func__, " (", #level, "): "

Typedef Documentation

Log

using Log = LogType

Enumeration Type Documentation

LogType

enum LogType

strong

Enumerator
ERROR
LOG_000
LOG_100
LOG_200
LOG_300
LOG_400
LOG_500
GENERAL
WARNING
QUEUE
USERACTION
PROTOCOL
ALLOCATIONS
CACHES
TUNING	Tables of station rating averages for automatic station selection.
BIASING	Tables of pick probabilities after applying ratings & recent biases.
METADATA
AUDIO
PANDORA
FILESYSTEM

Function Documentation

flog()

template<typename... MoreItems>

void flog	(	LogType	level,
		MoreItems &&...	more
	)

Log messages when their logging category is enabled.

Errors are always logged. Message to to standard out.

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flog_details() [1/2]

template<typename OutputItem , typename... MoreItems>

void flog_details	(	OutputItem	message,
		MoreItems &&...	more
	)

Recurse while there are arguments for flogging.

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flog_details() [2/2]

void flog_details ( void  )

inline

Implement empty argument list for flogging.

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flog_timestamp()

void flog_timestamp

(

)

Logging helper subroutine to format and emit the time.

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get_logging()

LogType get_logging

(

)

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logging_enabled()

bool logging_enabled ( LogType  level )

inline

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operator&()

constexpr LogType operator& ( const LogType  a, const LogType  b  )

inlineconstexpr

Allow LogType values to be AND'ed apart.

operator-()

constexpr LogType operator- ( const LogType  a, const LogType  b  )

inlineconstexpr

Allow LogType values to have bits removed..

operator^()

constexpr LogType operator^ ( const LogType  a, const LogType  b  )

inlineconstexpr

Allow LogType values to be toggled.

operator|()

constexpr LogType operator| ( const LogType  a, const LogType  b  )

inlineconstexpr

Allow LogType values to be OR'ed together.

set_logging()

void set_logging

(

LogType

logtype

)

Set the logging selections.

Parameters

logtype

A bitfield indicating what events to log.

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trim_filename()

static const char* trim_filename ( const char *  path )

inlinestatic

Variable Documentation

flog_include_timestamp

bool flog_include_timestamp

extern

flogging_level

LogType flogging_level

extern