log.h

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/* $Id: log.h 3553 2011-05-05 06:14:19Z nanang $ */
/* 
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */
#ifndef __PJ_LOG_H__
#define __PJ_LOG_H__

#include <pj/types.h>
#include <stdarg.h>

PJ_BEGIN_DECL

enum pj_log_decoration
{
    PJ_LOG_HAS_DAY_NAME   =    1, 
    PJ_LOG_HAS_YEAR       =    2, 
    PJ_LOG_HAS_MONTH      =    4, 
    PJ_LOG_HAS_DAY_OF_MON =    8, 
    PJ_LOG_HAS_TIME       =   16, 
    PJ_LOG_HAS_MICRO_SEC  =   32, 
    PJ_LOG_HAS_SENDER     =   64, 
    PJ_LOG_HAS_NEWLINE    =  128, 
    PJ_LOG_HAS_CR         =  256, 
    PJ_LOG_HAS_SPACE      =  512, 
    PJ_LOG_HAS_COLOR      = 1024, 
    PJ_LOG_HAS_LEVEL_TEXT = 2048, 
    PJ_LOG_HAS_THREAD_ID  = 4096  
};

#define PJ_LOG(level,arg)       do { \
                                    if (level <= pj_log_get_level()) \
                                        pj_log_wrapper_##level(arg); \
                                } while (0)

typedef void pj_log_func(int level, const char *data, int len);

PJ_DECL(void) pj_log_write(int level, const char *buffer, int len);


#if PJ_LOG_MAX_LEVEL >= 1

PJ_DECL(void) pj_log(const char *sender, int level, 
                     const char *format, va_list marker);

PJ_DECL(void) pj_log_set_log_func( pj_log_func *func );

PJ_DECL(pj_log_func*) pj_log_get_log_func(void);

PJ_DECL(void) pj_log_set_level(int level);

#if 1
PJ_DECL(int) pj_log_get_level(void);
#else
PJ_DECL_DATA(int) pj_log_max_level;
#define pj_log_get_level()  pj_log_max_level
#endif

PJ_DECL(void) pj_log_set_decor(unsigned decor);

PJ_DECL(unsigned) pj_log_get_decor(void);


PJ_DECL(void) pj_log_set_color(int level, pj_color_t color);

PJ_DECL(pj_color_t) pj_log_get_color(int level);

pj_status_t pj_log_init(void);

#else   /* #if PJ_LOG_MAX_LEVEL >= 1 */

#  define pj_log_set_log_func(func)

#  define pj_log_set_level(level)

#  define pj_log_set_decor(decor)

#  define pj_log_set_color(level, color)

#  define pj_log_get_level()    0

#  define pj_log_get_decor()    0

#  define pj_log_get_color(level) 0


#   define pj_log_init()        PJ_SUCCESS

#endif  /* #if PJ_LOG_MAX_LEVEL >= 1 */

/* **************************************************************************/
/*
 * Log functions implementation prototypes.
 * These functions are called by PJ_LOG macros according to verbosity
 * level specified when calling the macro. Applications should not normally
 * need to call these functions directly.
 */

#if PJ_LOG_MAX_LEVEL >= 1
    #define pj_log_wrapper_1(arg)       pj_log_1 arg

    PJ_DECL(void) pj_log_1(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_1(arg)
#endif

#if PJ_LOG_MAX_LEVEL >= 2
    #define pj_log_wrapper_2(arg)       pj_log_2 arg

    PJ_DECL(void) pj_log_2(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_2(arg)
#endif

#if PJ_LOG_MAX_LEVEL >= 3
    #define pj_log_wrapper_3(arg)       pj_log_3 arg

    PJ_DECL(void) pj_log_3(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_3(arg)
#endif

#if PJ_LOG_MAX_LEVEL >= 4
    #define pj_log_wrapper_4(arg)       pj_log_4 arg

    PJ_DECL(void) pj_log_4(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_4(arg)
#endif

#if PJ_LOG_MAX_LEVEL >= 5
    #define pj_log_wrapper_5(arg)       pj_log_5 arg

    PJ_DECL(void) pj_log_5(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_5(arg)
#endif

#if PJ_LOG_MAX_LEVEL >= 6
    #define pj_log_wrapper_6(arg)       pj_log_6 arg

    PJ_DECL(void) pj_log_6(const char *src, const char *format, ...);
#else
    #define pj_log_wrapper_6(arg)
#endif


PJ_END_DECL 

#endif  /* __PJ_LOG_H__ */