Di_log

Macros
#define	di_error(format...)
#define	di_warning(format...)
#define	di_info(format...)
#define	di_debug(format...)

Typedefs
typedef void	di_log_handler(di_log_level_flags log_level, const char *message, void *user_data)

Enumerations
enum	di_log_level_flags {   DI_LOG_FLAG_FATAL = 1 << 1 , DI_LOG_LEVEL_ERROR = 1 << 2 , DI_LOG_LEVEL_CRITICAL = 1 << 3 , DI_LOG_LEVEL_WARNING = 1 << 4 ,   DI_LOG_LEVEL_MESSAGE = 1 << 5 , DI_LOG_LEVEL_INFO = 1 << 6 , DI_LOG_LEVEL_DEBUG = 1 << 7 , DI_LOG_LEVEL_OUTPUT = 1 << 8 ,   DI_LOG_LEVEL_MASK = ~DI_LOG_FLAG_FATAL , DI_LOG_FATAL_MASK = DI_LOG_LEVEL_ERROR }
	Log levels and other flags. More...

Functions
void	di_log (di_log_level_flags log_level, const char *format,...) __attribute__((format(printf
void void	di_vlog (di_log_level_flags log_level, const char *format, va_list args)
unsigned int	di_log_set_handler (di_log_level_flags log_levels, di_log_handler *log_func, void *user_data)

Variables
di_log_handler	di_log_handler_default
di_log_handler	di_log_handler_syslog

Detailed Description

Macro Definition Documentation

di_debug

#define di_debug

(

format...

)

Value:

di_log (DI_LOG_LEVEL_DEBUG, format)

logs debug info

di_error

#define di_error

(

format...

)

Value:

di_log (DI_LOG_LEVEL_ERROR, format)

logs an error

Referenced by di_malloc(), di_malloc0(), and di_realloc().

di_info

#define di_info

(

format...

)

Value:

di_log (DI_LOG_LEVEL_INFO, format)

logs information

di_warning

#define di_warning

(

format...

)

Value:

di_log (DI_LOG_LEVEL_WARNING, format)

logs a warning

Referenced by di_parser_rfc822_read().

Enumeration Type Documentation

di_log_level_flags

enum di_log_level_flags

Log levels and other flags.

Enumerator
DI_LOG_FLAG_FATAL	flag as fatal
DI_LOG_LEVEL_ERROR	error level, always fatal
DI_LOG_LEVEL_CRITICAL	critical level
DI_LOG_LEVEL_WARNING	warning level
DI_LOG_LEVEL_MESSAGE	message level
DI_LOG_LEVEL_INFO	information level
DI_LOG_LEVEL_DEBUG	debug level
DI_LOG_LEVEL_OUTPUT	command output
DI_LOG_LEVEL_MASK	defines mask for levels
DI_LOG_FATAL_MASK	defines always fatal levels

{
  DI_LOG_FLAG_FATAL             = 1 << 1,       
 
  DI_LOG_LEVEL_ERROR            = 1 << 2,       
  DI_LOG_LEVEL_CRITICAL         = 1 << 3,       
  DI_LOG_LEVEL_WARNING          = 1 << 4,       
  DI_LOG_LEVEL_MESSAGE          = 1 << 5,       
  DI_LOG_LEVEL_INFO             = 1 << 6,       
  DI_LOG_LEVEL_DEBUG            = 1 << 7,       
  DI_LOG_LEVEL_OUTPUT           = 1 << 8,       
 
  DI_LOG_LEVEL_MASK             = ~DI_LOG_FLAG_FATAL,   
  DI_LOG_FATAL_MASK             = DI_LOG_LEVEL_ERROR,   
}

Function Documentation

di_log()

void di_log	(	di_log_level_flags	log_level,
		const char *	format,
			... )

Logs the resolved formatstring with log_level

Parameters

log_level	the level of the message
format	printf compatible format

References di_log_set_handler(), and di_vlog().

di_log_set_handler()

unsigned int di_log_set_handler	(	di_log_level_flags	log_levels,
		di_log_handler *	log_func,
		void *	user_data )

Sets a log handler

Parameters

log_levels	levels
log_func	the log handler
user_data	data for log_func

{
  static unsigned int handler_id = 0;
  di_log_handler_struct *handler;
 
  handler = di_new (di_log_handler_struct, 1);
 
  handler->id = ++handler_id;
  handler->log_level = log_levels;
  handler->log_func = log_func;
  handler->user_data = user_data;
 
  di_slist_append (&handlers, handler);
 
  return handler_id;
}

References di_new, di_slist_append(), di_log_handler_struct::id, di_log_handler_struct::log_func, di_log_handler_struct::log_level, and di_log_handler_struct::user_data.

Referenced by di_log(), and di_system_init().

di_vlog()

void void di_vlog	(	di_log_level_flags	log_level,
		const char *	format,
		va_list	args )

Logs the resolved formatstring with log_level

Parameters

log_level	the level of the message
format	printf compatible format
args	variable arguments list

{
  char buf[1024];
  int fatal = log_level & DI_LOG_FATAL_MASK;
  di_log_handler *log_func;
  void *user_data=0;
 
  vsnprintf (buf, sizeof (buf), format, args);
 
  log_func = internal_di_log_get_handler (log_level, &user_data);
 
  log_func (log_level, buf, user_data);
 
  if (fatal)
    exit (1);
}

References DI_LOG_FATAL_MASK.

Referenced by di_log().

Variable Documentation

di_log_handler_default

di_log_handler di_log_handler_default

Default log handler. Logs to STDOUT and STDERR.

di_log_handler_syslog

di_log_handler di_log_handler_syslog

SYSLOG log handler. Logs to SYSLOG.

Referenced by di_system_init().