include/gras/log.h

   1 /* $Id$ */
   2
   3 /* log - a generic logging facility in the spirit of log4j                  */
   4
   5 /* Authors: Martin Quinson                                                  */
   6 /* Copyright (C) 2003, 2004 Martin Quinson.                                 */
   7
   8 /* This program is free software; you can redistribute it and/or modify it
   9    under the terms of the license (GNU LGPL) which comes with this package. */
  10
  11 /* GRAS_LOG_MAYDAY: define this to replace the logging facilities with basic
  12    printf function. Useful to debug the logging facilities themselves */
  13 #undef GRAS_LOG_MAYDAY
  14 //#define GRAS_LOG_MAYDAY
  15
  16
  17 #ifndef _GRAS_LOG_H_
  18 #define _GRAS_LOG_H_
  19
  20 #include <stdarg.h>
  21
  22 /**
  23  * gras_log_priority_t:
  24  * @gras_log_priority_none:          used internally (don't poke with)
  25  * @gras_log_priority_debug:         crufty output
  26  * @gras_log_priority_verbose:       verbose output for the user wanting more
  27  * @gras_log_priority_info:          output about the regular functionning
  28  * @gras_log_priority_warning:       minor issue encountered
  29  * @gras_log_priority_error:         issue encountered
  30  * @gras_log_priority_critical:      major issue encountered
  31  * @gras_log_priority_infinite:      value for GRAS_LOG_STATIC_THRESHOLD to not log
  32  * @gras_log_priority_uninitialized: used internally (don't poke with)
  33  *
  34  * The different existing priorities.
  35  */
  36 typedef enum {
  37   gras_log_priority_none          = 0,
  38   gras_log_priority_debug         = 1,
  39   gras_log_priority_verbose       = 2,
  40   gras_log_priority_info          = 3,
  41   gras_log_priority_warning       = 4,
  42   gras_log_priority_error         = 5,
  43   gras_log_priority_critical      = 6,
  44
  45   gras_log_priority_infinite      = 7,
  46
  47   gras_log_priority_uninitialized = -1
  48 } gras_log_priority_t;
  49
  50
  51 /**
  52  * GRAS_LOG_STATIC_THRESHOLD:
  53  *
  54  * All logging with priority < GRAS_LOG_STATIC_THRESHOLD is disabled at
  55  * compile time, i.e., compiled out.
  56  */
  57 #ifndef GRAS_LOG_STATIC_THRESHOLD
  58 #  define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_none
  59 #endif
  60
  61
  62 /* Transforms a category name to a global variable name. */
  63 #define _GRAS_LOGV(cat)   _GRAS_LOG_CONCAT(_gras_this_log_category_does_not_exist__, cat)
  64 #define _GRAS_LOG_CONCAT(x,y) x ## y
  65
  66 /* The root of the category hierarchy. */
  67 #define GRAS_LOG_ROOT_CAT   root
  68
  69 /**
  70  * GRAS_LOG_NEW_SUBCATEGORY:
  71  * @catName: name of new category
  72  * @parent: father of the new category in the tree
  73  *
  74  * Defines a new subcategory of the parent.
  75  */
  76 #define GRAS_LOG_NEW_SUBCATEGORY(catName, parent)     \
  77     extern gras_log_category_t _GRAS_LOGV(parent);    \
  78     gras_log_category_t _GRAS_LOGV(catName) = {       \
  79         &_GRAS_LOGV(parent), 0, 0,                    \
  80         #catName, gras_log_priority_uninitialized, 1, \
  81         0, 1                                          \
  82     };
  83
  84 /**
  85  * GRAS_LOG_NEW_CATEGORY:
  86  * @catName: name of new category
  87  *
  88  * Creates a new subcategory of the root category.
  89  */
  90 #define GRAS_LOG_NEW_CATEGORY(catName)  GRAS_LOG_NEW_SUBCATEGORY(catName, GRAS_LOG_ROOT_CAT)
  91
  92 /**
  93  * GRAS_LOG_DEFAULT_CATEGORY:
  94  * @cname: name of the cat
  95  *
  96  * Indicates which category is the default one.
  97  */
  98
  99 #ifdef GRAS_LOG_MAYDAY /* debuging the logs themselves */
 100 # define GRAS_LOG_DEFAULT_CATEGORY(cname)
 101 #else
 102 # define GRAS_LOG_DEFAULT_CATEGORY(cname) \
 103          static gras_log_category_t* _GRAS_LOGV(default) = &_GRAS_LOGV(cname)
 104 #endif
 105
 106 /**
 107  * GRAS_LOG_NEW_DEFAULT_CATEGORY:
 108  * @cname: name of the cat
 109  *
 110  * Creates a new subcategory of the root category and makes it the default
 111  * (used by macros that don't explicitly specify a category).
 112  */
 113 #define GRAS_LOG_NEW_DEFAULT_CATEGORY(cname)        \
 114     GRAS_LOG_NEW_CATEGORY(cname)                    \
 115     GRAS_LOG_DEFAULT_CATEGORY(cname)
 116
 117 /**
 118  * GRAS_LOG_NEW_DEFAULT_SUBCATEGORY:
 119  * @cname: name of the cat
 120  * @parent: name of the parent
 121  *
 122  * Creates a new subcategory of the parent category and makes it the default
 123  * (used by macros that don't explicitly specify a category).
 124  */
 125 #define GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent)     \
 126     GRAS_LOG_NEW_SUBCATEGORY(cname, parent)                 \
 127     GRAS_LOG_DEFAULT_CATEGORY(cname)
 128
 129 /**
 130  * GRAS_LOG_EXTERNAL_CATEGORY:
 131  * @cname: name of the cat
 132  *
 133  * Indicates that a category you'll use in this file (to get subcategories of it,
 134  * for example) really lives in another file.
 135  */
 136
 137 #define GRAS_LOG_EXTERNAL_CATEGORY(cname) \
 138    extern gras_log_category_t _GRAS_LOGV(cname)
 139
 140 // Functions you may call
 141
 142 extern gras_error_t gras_log_control_set(const char* cs);
 143
 144 // Forward declarations
 145 typedef struct gras_log_appender_s gras_log_appender_t;
 146 typedef struct gras_log_event_s    gras_log_event_t;
 147 typedef struct gras_log_category_s gras_log_category_t;
 148
 149 /**
 150  * Do NOT access any members of this structure directly.
 151  */
 152 struct gras_log_category_s {
 153             gras_log_category_t *parent;
 154 /*@null@*/  gras_log_category_t *firstChild;
 155 /*@null@*/  gras_log_category_t *nextSibling;
 156             const char *name;
 157             int threshold;
 158             int isThreshInherited;
 159 /*@null@*/  gras_log_appender_t *appender;
 160             int willLogToParent;
 161   // TODO: Formats?
 162 };
 163
 164 struct gras_log_appender_s {
 165   void (*do_append) (gras_log_appender_t* thisLogAppender,
 166                     gras_log_event_t* event, const char *fmt);
 167   void *appender_data;
 168 };
 169
 170 struct gras_log_event_s {
 171   gras_log_category_t* cat;
 172   gras_log_priority_t priority;
 173   const char* fileName;
 174   const char* functionName;
 175   int lineNum;
 176   va_list ap;
 177 };
 178
 179 /**
 180  * gras_log_threshold_set:
 181  * @cat: the category (not only its name, but the variable)
 182  * @thresholdPriority: the priority
 183  *
 184  * Programatically alters a category's threshold priority (don't use).
 185  */
 186 extern void gras_log_threshold_set(gras_log_category_t* cat,
 187                                    gras_log_priority_t thresholdPriority);
 188
 189 /**
 190  * gras_log_parent_set:
 191  * @cat: the category (not only its name, but the variable)
 192  * @parent: the parent cat
 193  *
 194  * Programatically alter a category's parent (don't use).
 195  */
 196 extern void gras_log_parent_set(gras_log_category_t* cat,
 197                                 gras_log_category_t* parent);
 198
 199 /**
 200  * gras_log_appender_set:
 201  * @cat: the category (not only its name, but the variable)
 202  * @app: the appender
 203  *
 204  * Programatically sets the category's appender (don't use).
 205  */
 206 extern void gras_log_appender_set(gras_log_category_t* cat,
 207                                   gras_log_appender_t* app);
 208
 209 // Functions that you shouldn't call.
 210 extern void _gras_log_event_log(gras_log_event_t*ev,
 211                                 const char *fmt,
 212                                 ...)
 213 #ifdef __GNUC__
 214      __attribute__ ((format (printf, 2, 3)))
 215 #endif
 216 ;
 217
 218 extern int _gras_log_cat_init(gras_log_priority_t priority,
 219                               gras_log_category_t* category);
 220
 221
 222 extern gras_log_category_t _GRAS_LOGV(GRAS_LOG_ROOT_CAT);
 223 GRAS_LOG_EXTERNAL_CATEGORY(GRAS);
 224 extern gras_log_appender_t *gras_log_default_appender;
 225
 226 /**
 227  * GRAS_LOG_ISENABLED:
 228  * @catName: name of the category
 229  * @priority: minimal priority to be enabled to return true
 230  *
 231  * Returns true if the given priority is enabled for the category.
 232  * If you have expensive expressions that are computed outside of the log
 233  * command and used only within it, you should make its evaluation conditional
 234  * using this macro.
 235  */
 236 #define GRAS_LOG_ISENABLED(catName, priority) \
 237             _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
 238
 239 /*
 240  * Helper function that implements GRAS_LOG_ISENABLED.
 241  *
 242  * NOTES
 243  * First part is a compile-time constant.
 244  * Call to _log_initCat only happens once.
 245  */
 246 #define _GRAS_LOG_ISENABLEDV(catv, priority)                  \
 247        (priority >= GRAS_LOG_STATIC_THRESHOLD                 \
 248         && priority >= catv.threshold                         \
 249         && (catv.threshold != gras_log_priority_uninitialized \
 250             || _gras_log_cat_init(priority, &catv)) )
 251
 252 /*
 253  * Internal Macros
 254  * Some kludge macros to ease maintenance. See how they're used below.
 255  *
 256  * IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled
 257  * message, the many parameters passed to the logging function are packed in a
 258  * structure. Since these values will be usually be passed to at least 3
 259  * functions, this is a win.
 260  * It also allows adding new values (such as a timestamp) without breaking
 261  * code.
 262  * Setting the LogEvent's valist member is done inside _log_logEvent.
 263  */
 264
 265 #define _GRAS_LOG_PRE(catv, priority) do {                              \
 266      if (_GRAS_LOG_ISENABLEDV(catv, priority)) {                        \
 267          gras_log_event_t _log_ev =                                     \
 268              {&(catv),priority,__FILE__,__FUNCTION__,__LINE__};         \
 269          _gras_log_event_log(&_log_ev
 270
 271 #define _GRAS_LOG_POST                          \
 272                         );                      \
 273      } } while(0)
 274
 275
 276 /* Logging Macros */
 277
 278 #ifdef GRAS_LOG_MAYDAY
 279 # define CLOG0(c, p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 280 # define CLOG1(c, p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 281 # define CLOG2(c, p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 282 # define CLOG3(c, p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 283 # define CLOG4(c, p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 284 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 285 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 286 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 287 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 288 #else
 289 # define CLOG0(c, p, f)                   _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f _GRAS_LOG_POST
 290 # define CLOG1(c, p, f,a1)                _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1 _GRAS_LOG_POST
 291 # define CLOG2(c, p, f,a1,a2)             _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2 _GRAS_LOG_POST
 292 # define CLOG3(c, p, f,a1,a2,a3)          _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 293 # define CLOG4(c, p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 294 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5 _GRAS_LOG_POST
 295 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
 296 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 297 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 298 #endif
 299
 300 #define CDEBUG0(c, f)                   CLOG0(c, gras_log_priority_debug, f)
 301 #define CDEBUG1(c, f,a1)                CLOG1(c, gras_log_priority_debug, f,a1)
 302 #define CDEBUG2(c, f,a1,a2)             CLOG2(c, gras_log_priority_debug, f,a1,a2)
 303 #define CDEBUG3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_debug, f,a1,a2,a3)
 304 #define CDEBUG4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_debug, f,a1,a2,a3,a4)
 305 #define CDEBUG5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 306 #define CDEBUG6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 307 #define CDEBUG7(c, f,a1,a2,a3,a4,a5,a6,a7) CLOG7(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 308 #define CDEBUG8(c, f,a1,a2,a3,a4,a5,a6,a7,a8) CLOG8(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 309
 310 #define CVERB0(c, f)                   CLOG0(c, gras_log_priority_verbose, f)
 311 #define CVERB1(c, f,a1)                CLOG1(c, gras_log_priority_verbose, f,a1)
 312 #define CVERB2(c, f,a1,a2)             CLOG2(c, gras_log_priority_verbose, f,a1,a2)
 313 #define CVERB3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_verbose, f,a1,a2,a3)
 314 #define CVERB4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_verbose, f,a1,a2,a3,a4)
 315 #define CVERB5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 316 #define CVERB6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 317
 318 #define CINFO0(c, f)                   CLOG0(c, gras_log_priority_info, f)
 319 #define CINFO1(c, f,a1)                CLOG1(c, gras_log_priority_info, f,a1)
 320 #define CINFO2(c, f,a1,a2)             CLOG2(c, gras_log_priority_info, f,a1,a2)
 321 #define CINFO3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_info, f,a1,a2,a3)
 322 #define CINFO4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_info, f,a1,a2,a3,a4)
 323 #define CINFO5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_info, f,a1,a2,a3,a4,a5)
 324 #define CINFO6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 325
 326 #define CWARN0(c, f)                   CLOG0(c, gras_log_priority_warning, f)
 327 #define CWARN1(c, f,a1)                CLOG1(c, gras_log_priority_warning, f,a1)
 328 #define CWARN2(c, f,a1,a2)             CLOG2(c, gras_log_priority_warning, f,a1,a2)
 329 #define CWARN3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_warning, f,a1,a2,a3)
 330 #define CWARN4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_warning, f,a1,a2,a3,a4)
 331 #define CWARN5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 332 #define CWARN6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 333
 334 #define CERROR0(c, f)                   CLOG0(c, gras_log_priority_error, f)
 335 #define CERROR1(c, f,a1)                CLOG1(c, gras_log_priority_error, f,a1)
 336 #define CERROR2(c, f,a1,a2)             CLOG2(c, gras_log_priority_error, f,a1,a2)
 337 #define CERROR3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_error, f,a1,a2,a3)
 338 #define CERROR4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_error, f,a1,a2,a3,a4)
 339 #define CERROR5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_error, f,a1,a2,a3,a4,a5)
 340 #define CERROR6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 341
 342 /**
 343  * CCRITICAL6:
 344  * @c: the category to log into
 345  * @f: the format string
 346  * @a1: first argument of the format
 347  * @a2: second argument of the format
 348  * @a3: third argument of the format
 349  * @a4: fourth argument of the format
 350  * @a5: fifth argument of the format
 351  * @a6: sixth argument of the format
 352  *
 353  * Log something to the current default category under the warning priority.
 354  *
 355  * The macros CCRITICAL0 ... CCRITICAL5 naturally also exist, but are not listed here
 356  * for sake of clarity. They just differ in the number of arguments passed
 357  * along with the format string.
 358  */
 359
 360 #define CCRITICAL0(c, f)                   CLOG0(c, gras_log_priority_critical, f)
 361 #define CCRITICAL1(c, f,a1)                CLOG1(c, gras_log_priority_critical, f,a1)
 362 #define CCRITICAL2(c, f,a1,a2)             CLOG2(c, gras_log_priority_critical, f,a1,a2)
 363 #define CCRITICAL3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_critical, f,a1,a2,a3)
 364 #define CCRITICAL4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_critical, f,a1,a2,a3,a4)
 365 #define CCRITICAL5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 366 #define CCRITICAL6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 367
 368 #ifdef GRAS_LOG_MAYDAY
 369 # define LOG0(p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 370 # define LOG1(p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 371 # define LOG2(p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 372 # define LOG3(p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 373 # define LOG4(p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 374 # define LOG5(p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 375 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 376 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 377 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 378 #else
 379 # define LOG0(p, f)                   _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f _GRAS_LOG_POST
 380 # define LOG1(p, f,a1)                _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1 _GRAS_LOG_POST
 381 # define LOG2(p, f,a1,a2)             _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2 _GRAS_LOG_POST
 382 # define LOG3(p, f,a1,a2,a3)          _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 383 # define LOG4(p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 384 # define LOG5(p, f,a1,a2,a3,a4,a5)    _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5 _GRAS_LOG_POST
 385 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
 386 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 387 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 388 #endif
 389
 390 /**
 391  * DEBUG6:
 392  * @f: the format string
 393  * @a1: first argument of the format
 394  * @a2: second argument of the format
 395  * @a3: third argument of the format
 396  * @a4: fourth argument of the format
 397  * @a5: fifth argument of the format
 398  * @a6: sixth argument of the format
 399  *
 400  * Log something to the current default category under the debug priority.
 401  *
 402  * The macros DEBUG0 ... DEBUG5 naturally also exist, but are not listed here
 403  * for sake of clarity. They just differ in the number of arguments passed
 404  * along with the format string.
 405  */
 406
 407 #define DEBUG0(f)                   LOG0(gras_log_priority_debug, f)
 408 #define DEBUG1(f,a1)                LOG1(gras_log_priority_debug, f,a1)
 409 #define DEBUG2(f,a1,a2)             LOG2(gras_log_priority_debug, f,a1,a2)
 410 #define DEBUG3(f,a1,a2,a3)          LOG3(gras_log_priority_debug, f,a1,a2,a3)
 411 #define DEBUG4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_debug, f,a1,a2,a3,a4)
 412 #define DEBUG5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 413 #define DEBUG6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 414 #define DEBUG7(f,a1,a2,a3,a4,a5,a6,a7) LOG7(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 415 #define DEBUG8(f,a1,a2,a3,a4,a5,a6,a7,a8) LOG8(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 416
 417 /**
 418  * VERB6:
 419  * @f: the format string
 420  * @a1: first argument of the format
 421  * @a2: second argument of the format
 422  * @a3: third argument of the format
 423  * @a4: fourth argument of the format
 424  * @a5: fifth argument of the format
 425  * @a6: sixth argument of the format
 426  *
 427  * Log something to the current default category under the verbose priority.
 428  *
 429  * The macros VERB0 ... VERB5 naturally also exist, but are not listed here
 430  * for sake of clarity. They just differ in the number of arguments passed
 431  * along with the format string.
 432  */
 433
 434 #define VERB0(f)                   LOG0(gras_log_priority_verbose, f)
 435 #define VERB1(f,a1)                LOG1(gras_log_priority_verbose, f,a1)
 436 #define VERB2(f,a1,a2)             LOG2(gras_log_priority_verbose, f,a1,a2)
 437 #define VERB3(f,a1,a2,a3)          LOG3(gras_log_priority_verbose, f,a1,a2,a3)
 438 #define VERB4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_verbose, f,a1,a2,a3,a4)
 439 #define VERB5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 440 #define VERB6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 441
 442 /**
 443  * INFO6:
 444  * @f: the format string
 445  * @a1: first argument of the format
 446  * @a2: second argument of the format
 447  * @a3: third argument of the format
 448  * @a4: fourth argument of the format
 449  * @a5: fifth argument of the format
 450  * @a6: sixth argument of the format
 451  *
 452  * Log something to the current default category under the info priority.
 453  *
 454  * The macros INFO0 ... INFO5 naturally also exist, but are not listed here
 455  * for sake of clarity. They just differ in the number of arguments passed
 456  * along with the format string.
 457  */
 458
 459 #define INFO0(f)                   LOG0(gras_log_priority_info, f)
 460 #define INFO1(f,a1)                LOG1(gras_log_priority_info, f,a1)
 461 #define INFO2(f,a1,a2)             LOG2(gras_log_priority_info, f,a1,a2)
 462 #define INFO3(f,a1,a2,a3)          LOG3(gras_log_priority_info, f,a1,a2,a3)
 463 #define INFO4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_info, f,a1,a2,a3,a4)
 464 #define INFO5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_info, f,a1,a2,a3,a4,a5)
 465 #define INFO6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 466
 467 /**
 468  * WARN6:
 469  * @f: the format string
 470  * @a1: first argument of the format
 471  * @a2: second argument of the format
 472  * @a3: third argument of the format
 473  * @a4: fourth argument of the format
 474  * @a5: fifth argument of the format
 475  * @a6: sixth argument of the format
 476  *
 477  * Log something to the current default category under the warning priority.
 478  *
 479  * The macros WARN0 ... WARN5 naturally also exist, but are not listed here
 480  * for sake of clarity. They just differ in the number of arguments passed
 481  * along with the format string.
 482  */
 483
 484 #define WARN0(f)                   LOG0(gras_log_priority_warning, f)
 485 #define WARN1(f,a1)                LOG1(gras_log_priority_warning, f,a1)
 486 #define WARN2(f,a1,a2)             LOG2(gras_log_priority_warning, f,a1,a2)
 487 #define WARN3(f,a1,a2,a3)          LOG3(gras_log_priority_warning, f,a1,a2,a3)
 488 #define WARN4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_warning, f,a1,a2,a3,a4)
 489 #define WARN5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 490 #define WARN6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 491
 492 /**
 493  * ERROR6:
 494  * @f: the format string
 495  * @a1: first argument of the format
 496  * @a2: second argument of the format
 497  * @a3: third argument of the format
 498  * @a4: fourth argument of the format
 499  * @a5: fifth argument of the format
 500  * @a6: sixth argument of the format
 501  *
 502  * Log something to the current default category under the error priority.
 503  *
 504  * The macros ERROR0 ... ERROR5 naturally also exist, but are not listed here
 505  * for sake of clarity. They just differ in the number of arguments passed
 506  * along with the format string.
 507  */
 508
 509 #define ERROR0(f)                   LOG0(gras_log_priority_error, f)
 510 #define ERROR1(f,a1)                LOG1(gras_log_priority_error, f,a1)
 511 #define ERROR2(f,a1,a2)             LOG2(gras_log_priority_error, f,a1,a2)
 512 #define ERROR3(f,a1,a2,a3)          LOG3(gras_log_priority_error, f,a1,a2,a3)
 513 #define ERROR4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_error, f,a1,a2,a3,a4)
 514 #define ERROR5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_error, f,a1,a2,a3,a4,a5)
 515 #define ERROR6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 516
 517 /**
 518  * CRITICAL6:
 519  * @f: the format string
 520  * @a1: first argument of the format
 521  * @a2: second argument of the format
 522  * @a3: third argument of the format
 523  * @a4: fourth argument of the format
 524  * @a5: fifth argument of the format
 525  * @a6: sixth argument of the format
 526  *
 527  * Log something to the current default category under the critical priority.
 528  *
 529  * The macros CRITICAL0 ... CRITICAL5 naturally also exist, but are not listed here
 530  * for sake of clarity. They just differ in the number of arguments passed
 531  * along with the format string.
 532  */
 533 #define CRITICAL0(f)                   LOG0(gras_log_priority_critical, f)
 534 #define CRITICAL1(f,a1)                LOG1(gras_log_priority_critical, f,a1)
 535 #define CRITICAL2(f,a1,a2)             LOG2(gras_log_priority_critical, f,a1,a2)
 536 #define CRITICAL3(f,a1,a2,a3)          LOG3(gras_log_priority_critical, f,a1,a2,a3)
 537 #define CRITICAL4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_critical, f,a1,a2,a3,a4)
 538 #define CRITICAL5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 539 #define CRITICAL6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 540
 541 #ifdef __GNUC__
 542 #define GRAS_IN  DEBUG1(">> begin of %s",__FUNCTION__)
 543 #define GRAS_OUT DEBUG1("<< end of %s",__FUNCTION__)
 544 #else
 545 #define GRAS_IN  DEBUG0(">> begin of function")
 546 #define GRAS_OUT DEBUG0("<< end of function")
 547 #endif
 548
 549 #endif /* ! _GRAS_LOG_H_ */