n_nodup_log.c File Reference

generic no duplicate logging system More...

#include <stdio.h>
#include <stdarg.h>
#include "nilorea/n_common.h"
#include "nilorea/n_log.h"
#include "nilorea/n_str.h"
#include "nilorea/n_list.h"
#include "nilorea/n_hash.h"
#include "nilorea/n_nodup_log.h"

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Macros
#define	_GNU_SOURCE
	Feature test macro.
#define	_GNU_SOURCE_WAS_NOT_DEFINED
	flag to detect if gnu source was set from our source file

Functions
void	_n_nodup_log (int LEVEL, const char *file, const char *func, int line, const char *format,...)
	Logging function.
void	_n_nodup_log_indexed (int LEVEL, const char *prefix, const char *file, const char *func, int line, const char *format,...)
	Logging function.
int	check_n_log_dup (const char *log, const char *file, const char *func, int line)
	check if a log was already done or not at the given line, func, file
int	check_n_log_dup_indexed (const char *log, const char *file, const char *func, int line, const char *prefix)
	check if a log was already done or not at the given line, func, file
int	close_nodup_log ()
	Empty nodup logtable and close the no duplicate logging session.
int	dump_nodup_log (char *file)
	Dump the duplicate error log hash table in a file The table is first written to a temporary file which is then renamed to the final destination and permissions set via rename() and chmod().
int	empty_nodup_table ()
	Empty the nodup internal table.
static char *	get_nodup_indexed_key (const char *file, const char *func, const char *prefix, int line)
	internal, get a key for an indexed log entry
static char *	get_nodup_key (const char *file, const char *func, int line)
	internal, get a key for a log entry
int	init_nodup_log (size_t max)
	initialize the no duplicate logging system

Variables
static HASH_TABLE *	_n_nodup_table = NULL
	internal: no dup hash_table log save

Detailed Description

generic no duplicate logging system

Author

Castagnier Mickael

Date

2015-09-21

Definition in file n_nodup_log.c.

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Feature test macro.

GNU source

Definition at line 11 of file n_nodup_log.c.

_GNU_SOURCE_WAS_NOT_DEFINED

#define _GNU_SOURCE_WAS_NOT_DEFINED

flag to detect if gnu source was set from our source file

Definition at line 13 of file n_nodup_log.c.

Function Documentation

check_n_log_dup()

int check_n_log_dup	(	const char *	log,
		const char *	file,
		const char *	func,
		int	line
	)

check if a log was already done or not at the given line, func, file

Parameters

log	the line of log
file	the file containing the log
func	the name of calling func
line	the line of the log

Returns

0 if not existing 1 if existing with the same value , 2 if key exist and value is different

Definition at line 118 of file n_nodup_log.c.

References __n_assert, _n_nodup_table, HASH_NODE::data, Free, get_nodup_key(), ht_get_node(), key, and HASH_DATA::string.

Referenced by _n_nodup_log().

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check_n_log_dup_indexed()

int check_n_log_dup_indexed	(	const char *	log,
		const char *	file,
		const char *	func,
		int	line,
		const char *	prefix
	)

check if a log was already done or not at the given line, func, file

Parameters

log	the line of log
file	the file containing the log
func	the name of calling func
line	the line of the log
prefix	prefix to subgroup logs

Returns

0 if not existing 1 if existing with the same value , 2 if key exist and value is different

Definition at line 155 of file n_nodup_log.c.

References __n_assert, _n_nodup_table, HASH_NODE::data, Free, get_nodup_indexed_key(), ht_get_node(), key, and HASH_DATA::string.

Referenced by _n_nodup_log_indexed().

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get_nodup_indexed_key()

static char * get_nodup_indexed_key ( const char *  file, const char *  func, const char *  prefix, int  line  )

static

internal, get a key for an indexed log entry

Parameters

file	log source file
func	log source
line	log source
prefix	prefix for log entry

Returns

The key for the the log entry

Definition at line 99 of file n_nodup_log.c.

References __n_assert, N_STR::data, Free, and nstrprintf.

Referenced by _n_nodup_log_indexed(), and check_n_log_dup_indexed().

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get_nodup_key()

static char * get_nodup_key ( const char *  file, const char *  func, int  line  )

static

internal, get a key for a log entry

Parameters

file	log source file
func	log source
line	log source

Returns

The key for the the log entry

Definition at line 81 of file n_nodup_log.c.

References __n_assert, N_STR::data, Free, and nstrprintf.

Referenced by _n_nodup_log(), and check_n_log_dup().

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Variable Documentation

_n_nodup_table

HASH_TABLE* _n_nodup_table = NULL

static

internal: no dup hash_table log save

Definition at line 30 of file n_nodup_log.c.

Referenced by _n_nodup_log(), _n_nodup_log_indexed(), check_n_log_dup(), check_n_log_dup_indexed(), close_nodup_log(), dump_nodup_log(), empty_nodup_table(), and init_nodup_log().