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loghandler.h

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#ifndef LOGHANDLER_H
#define LOGHANDLER_H

/* Default config */
#define DEFAULT_LOGDEVICE "/tmp/loghandler.log"
#define DEFAULT_LOGLEVEL  LOG_NORMAL
#define DEFAULT_LOGCLASS  MAIN_LOG
#define DEFAULT_LOGFORMAT SHOW_ALL

/* Defs */
#define LOGHANDLER_VERSION 0.2.4
#define LOGHANDLER_DATE    __DATE__
#define LOGMSG_MAX    256
#define LOGHANDLE_MAX 5

/* Log format */
#define SHOW_YEAR   1
#define SHOW_DATE   2
#define SHOW_TIME   4
#define SHOW_CLASS  8
#define SHOW_LEVEL 16
#define SHOW_ID    32
#define SHOW_ALL  255

/* Log event */
#define LOG_MARK    0      // Will always be logged
#define LOG_FATAL   1      // Application can not continue
#define LOG_ERROR   2      // Serious error
#define LOG_WARNING 3      // May cause problems
#define LOG_NORMAL  4      // Normal production
#define LOG_NOTICE  5      // May be of interest 
#define LOG_INFO    6      // Additional information
#define LOG_VERBOSE 7      // May cause lots of output

/* Debug event */
#define D_CHECK   8      // Check point
#define D_LOGIC   9      // Logic condition
#define D_ERR     10     // Error
#define D_WARN    11     // Warning
#define D_FUNC    12     // Entering or leaving function
#define D_VAR     13     // Varible values
#define D_IO      14     // Input/Output to file or command
#define D_TRACE   15     // Heavy tracing

/* Log class */
#define DEBUG_LOG     8    // For developing
#define MAIN_LOG     16    // General application
#define USER_LOG     32    // User related
#define SYS_LOG      64    // System related
#define NET_LOG     128    // Network related
#define GLOBAL_LOG  241    // All logs except debug

/* Recorders */
extern void logf(int logcode, const char *msg, ...);
extern void debugf(int logcode, const char *msg, ...);
extern void loghandler(int loglevel, int logclass, const char *msg, ...);

/* Control */
extern int loghandler_init(int id, const char *logdevice, int logclass, int loglevel, int logformat);
extern int loghandler_init(int id, const char *logdevice);
extern int loghandler_setlevel(int id, int loglevel);
extern int loghandler_getlevel(int id);
extern int loghandler_setclass(int id, int logclass);
extern int loghandler_getclass(int id);

#endif

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