xdasd_logger.c File Reference

OpenXDAS daemon back-end logger manager. More...

#include <xdas_base.h>
#include "xdasd_logger.h"
#include "xdasd_parse.h"
#include "xdasd_mqueue.h"
#include "xdasd_mcache.h"
#include "xdasd_conf.h"
#include "xdasd_log.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dlfcn.h>

Go to the source code of this file.

Data Structures
struct	xdasd_logger_tag
	A structure that tracks the library handle and imported symbols. More...
Defines
#define	XDASD_MAX_LOGGERS   16
	The maximum simultaneous loaded loggers we can handle.
Logger Module Symbol Names
#define	XDM_INIT_SYM_NAME   "xdm_init"
#define	XDM_APND_SYM_NAME   "xdm_append"
#define	XDM_EXIT_SYM_NAME   "xdm_exit"
Typedefs
typedef void *	xdasd_lib_t
	An abstraction for a loaded library handle.
typedef void(*	xdasd_fptr_t )(void)
	An abstraction for a generic function pointer.
typedef int	logger_init_fn_t (void(*logmsg)(int level, const char *,...), char *(*getcnfstr)(const char *, char *, size_t *))
	Typedefs for function pointers.
typedef int	logger_apnd_fn_t (const char **fields)
typedef void	logger_exit_fn_t (void)
typedef struct xdasd_logger_tag	xdasd_logger_t
	A structure that tracks the library handle and imported symbols.
Functions
static xdasd_lib_t	xdasd_load_library (const char *libname)
	Load a library dynamically.
static xdasd_fptr_t	xdasd_import_symbol (xdasd_lib_t lib, const char *sym)
	Import a symbol dynamically.
static void	xdasd_free_library (xdasd_lib_t lib)
	Free a dynamically loaded library.
void	logger_clear (void)
	Clear the global logger list by unloading all loaded loggers.
static int	logger_put (void *data)
	A MsgQueue 'put' routine for message log processing.
static void *	logger_get (void)
	A MsgQueue 'get' routine for message log processing.
static void	logger_append (void *data)
	A MsgQueue 'process' routine for message log processing.
int	xdasd_logger_append (Parsed *parsed)
	Appends a message to the file based persistent cache queue.
int	xdasd_logger_init (const char *msgfdir)
	Initialize the loadable back-end logger sub-system.
void	xdasd_logger_exit (void)
	Cleanup the loadable back-end logger sub-system.
Variables
static xdasd_logger_t	s_loggers [XDASD_MAX_LOGGERS]
	The array of loaded and initialized back-end loggers.
static MsgQueue	s_mq_logger = 0
static MsgCache	s_mcache = 0

---

Detailed Description

OpenXDAS daemon back-end logger manager.

Author:

John Calcote (jcalcote@novell.com)

Attention:

Please submit patches to http://openxdas.sourceforge.net

Definition in file xdasd_logger.c.