include/xbt/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_trace         = 1,
  39   gras_log_priority_debug         = 2,
  40   gras_log_priority_verbose       = 3,
  41   gras_log_priority_info          = 4,
  42   gras_log_priority_warning       = 5,
  43   gras_log_priority_error         = 6,
  44   gras_log_priority_critical      = 7,
  45
  46   gras_log_priority_infinite      = 8,
  47
  48   gras_log_priority_uninitialized = -1
  49 } gras_log_priority_t;
  50
  51
  52 /**
  53  * NLOG:
  54  *
  55  * All logging facilities are disabled at compilation time
  56  */
  57
  58
  59 /**
  60  * GRAS_LOG_STATIC_THRESHOLD:
  61  *
  62  * All logging with priority < GRAS_LOG_STATIC_THRESHOLD is disabled at
  63  * compile time, i.e., compiled out.
  64  */
  65 #ifdef NLOG
  66 #  define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_infinite
  67 #else
  68
  69 #  ifdef NDEBUG
  70 #    define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_verbose
  71 #  else /* !NLOG && !NDEBUG */
  72
  73 #    ifndef GRAS_LOG_STATIC_THRESHOLD
  74 #      define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_none
  75 #    endif /* !GRAS_LOG_STATIC_THRESHOLD */
  76 #  endif /* NDEBUG */
  77 #endif /* !defined(NLOG) */
  78
  79 /* Transforms a category name to a global variable name. */
  80 #define _GRAS_LOGV(cat)   _GRAS_LOG_CONCAT(_gras_this_log_category_does_not_exist__, cat)
  81 #define _GRAS_LOG_CONCAT(x,y) x ## y
  82
  83 /* The root of the category hierarchy. */
  84 #define GRAS_LOG_ROOT_CAT   root
  85
  86 /**
  87  * GRAS_LOG_NEW_SUBCATEGORY:
  88  * @catName: name of new category
  89  * @parent: father of the new category in the tree
  90  * @desc: string describing the purpose of this category
  91  *
  92  * Defines a new subcategory of the parent.
  93  */
  94 #define GRAS_LOG_NEW_SUBCATEGORY(catName, parent, desc) \
  95     extern gras_log_category_t _GRAS_LOGV(parent);    \
  96     gras_log_category_t _GRAS_LOGV(catName) = {       \
  97         &_GRAS_LOGV(parent), 0, 0,                    \
  98         #catName, gras_log_priority_uninitialized, 1, \
  99         0, 1                                          \
 100     }
 101
 102 /**
 103  * GRAS_LOG_NEW_CATEGORY:
 104  * @catName: name of new category
 105  * @desc: string describing the purpose of this category
 106  *
 107  * Creates a new subcategory of the root category.
 108  */
 109 #define GRAS_LOG_NEW_CATEGORY(catName,desc)  GRAS_LOG_NEW_SUBCATEGORY(catName, GRAS_LOG_ROOT_CAT, desc)
 110
 111 /**
 112  * GRAS_LOG_DEFAULT_CATEGORY:
 113  * @cname: name of the cat
 114  *
 115  * Indicates which category is the default one.
 116  */
 117
 118 #if defined(GRAS_LOG_MAYDAY) /*|| defined (NLOG) * turning logging off */
 119 # define GRAS_LOG_DEFAULT_CATEGORY(cname)
 120 #else
 121 # define GRAS_LOG_DEFAULT_CATEGORY(cname) \
 122          static gras_log_category_t* _GRAS_LOGV(default) = &_GRAS_LOGV(cname)
 123 #endif
 124
 125 /**
 126  * GRAS_LOG_NEW_DEFAULT_CATEGORY:
 127  * @cname: name of the cat
 128  * @desc: string describing the purpose of this category
 129  *
 130  * Creates a new subcategory of the root category and makes it the default
 131  * (used by macros that don't explicitly specify a category).
 132  */
 133 #define GRAS_LOG_NEW_DEFAULT_CATEGORY(cname,desc)        \
 134     GRAS_LOG_NEW_CATEGORY(cname,desc)                    \
 135     GRAS_LOG_DEFAULT_CATEGORY(cname)
 136
 137 /**
 138  * GRAS_LOG_NEW_DEFAULT_SUBCATEGORY:
 139  * @cname: name of the cat
 140  * @parent: name of the parent
 141  * @desc: string describing the purpose of this category
 142  *
 143  * Creates a new subcategory of the parent category and makes it the default
 144  * (used by macros that don't explicitly specify a category).
 145  */
 146 #define GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent, desc) \
 147     GRAS_LOG_NEW_SUBCATEGORY(cname, parent, desc);            \
 148     GRAS_LOG_DEFAULT_CATEGORY(cname)
 149
 150 /**
 151  * GRAS_LOG_EXTERNAL_CATEGORY:
 152  * @cname: name of the cat
 153  *
 154  * Indicates that a category you'll use in this file (to get subcategories of it,
 155  * for example) really lives in another file.
 156  */
 157
 158 #define GRAS_LOG_EXTERNAL_CATEGORY(cname) \
 159    extern gras_log_category_t _GRAS_LOGV(cname)
 160
 161 /* Functions you may call */
 162
 163 extern gras_error_t gras_log_control_set(const char* cs);
 164
 165 /* Forward declarations */
 166 typedef struct gras_log_appender_s gras_log_appender_t;
 167 typedef struct gras_log_event_s    gras_log_event_t;
 168 typedef struct gras_log_category_s gras_log_category_t;
 169
 170 /**
 171  * Do NOT access any members of this structure directly.
 172  */
 173 struct gras_log_category_s {
 174             gras_log_category_t *parent;
 175 /*@null@*/  gras_log_category_t *firstChild;
 176 /*@null@*/  gras_log_category_t *nextSibling;
 177             const char *name;
 178             int threshold;
 179             int isThreshInherited;
 180 /*@null@*/  gras_log_appender_t *appender;
 181             int willLogToParent;
 182   /* TODO: Formats? */
 183 };
 184
 185 struct gras_log_appender_s {
 186   void (*do_append) (gras_log_appender_t* thisLogAppender,
 187                     gras_log_event_t* event, const char *fmt);
 188   void *appender_data;
 189 };
 190
 191 struct gras_log_event_s {
 192   gras_log_category_t* cat;
 193   gras_log_priority_t priority;
 194   const char* fileName;
 195   const char* functionName;
 196   int lineNum;
 197   va_list ap;
 198 };
 199
 200 /**
 201  * gras_log_threshold_set:
 202  * @cat: the category (not only its name, but the variable)
 203  * @thresholdPriority: the priority
 204  *
 205  * Programatically alters a category's threshold priority (don't use).
 206  */
 207 extern void gras_log_threshold_set(gras_log_category_t* cat,
 208                                    gras_log_priority_t thresholdPriority);
 209
 210 /**
 211  * gras_log_parent_set:
 212  * @cat: the category (not only its name, but the variable)
 213  * @parent: the parent cat
 214  *
 215  * Programatically alter a category's parent (don't use).
 216  */
 217 extern void gras_log_parent_set(gras_log_category_t* cat,
 218                                 gras_log_category_t* parent);
 219
 220 /**
 221  * gras_log_appender_set:
 222  * @cat: the category (not only its name, but the variable)
 223  * @app: the appender
 224  *
 225  * Programatically sets the category's appender (don't use).
 226  */
 227 extern void gras_log_appender_set(gras_log_category_t* cat,
 228                                   gras_log_appender_t* app);
 229
 230 /* Functions that you shouldn't call. */
 231 extern void _gras_log_event_log(gras_log_event_t*ev,
 232                                 const char *fmt,
 233                                 ...) _GRAS_GNUC_PRINTF(2,3);
 234
 235 extern int _gras_log_cat_init(gras_log_priority_t priority,
 236                               gras_log_category_t* category);
 237
 238
 239 extern gras_log_category_t _GRAS_LOGV(GRAS_LOG_ROOT_CAT);
 240 GRAS_LOG_EXTERNAL_CATEGORY(GRAS);
 241 extern gras_log_appender_t *gras_log_default_appender;
 242
 243 /**
 244  * GRAS_LOG_ISENABLED:
 245  * @catName: name of the category
 246  * @priority: minimal priority to be enabled to return true
 247  *
 248  * Returns true if the given priority is enabled for the category.
 249  * If you have expensive expressions that are computed outside of the log
 250  * command and used only within it, you should make its evaluation conditional
 251  * using this macro.
 252  */
 253 #define GRAS_LOG_ISENABLED(catName, priority) \
 254             _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
 255
 256 /*
 257  * Helper function that implements GRAS_LOG_ISENABLED.
 258  *
 259  * NOTES
 260  * First part is a compile-time constant.
 261  * Call to _log_initCat only happens once.
 262  */
 263 #define _GRAS_LOG_ISENABLEDV(catv, priority)                  \
 264        (priority >= GRAS_LOG_STATIC_THRESHOLD                 \
 265         && priority >= catv.threshold                         \
 266         && (catv.threshold != gras_log_priority_uninitialized \
 267             || _gras_log_cat_init(priority, &catv)) )
 268
 269 /*
 270  * Internal Macros
 271  * Some kludge macros to ease maintenance. See how they're used below.
 272  *
 273  * IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled
 274  * message, the many parameters passed to the logging function are packed in a
 275  * structure. Since these values will be usually be passed to at least 3
 276  * functions, this is a win.
 277  * It also allows adding new values (such as a timestamp) without breaking
 278  * code.
 279  * Setting the LogEvent's valist member is done inside _log_logEvent.
 280  */
 281
 282 #define _GRAS_LOG_PRE(catv, priority) do {                              \
 283      if (_GRAS_LOG_ISENABLEDV(catv, priority)) {                        \
 284          gras_log_event_t _log_ev =                                     \
 285              {&(catv),priority,__FILE__,_GRAS_GNUC_FUNCTION,__LINE__};         \
 286          _gras_log_event_log(&_log_ev
 287
 288 #define _GRAS_LOG_POST                          \
 289                         );                      \
 290      } } while(0)
 291
 292
 293 /* Logging Macros */
 294
 295 #ifdef GRAS_LOG_MAYDAY
 296 # define CLOG0(c, p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 297 # define CLOG1(c, p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 298 # define CLOG2(c, p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 299 # define CLOG3(c, p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 300 # define CLOG4(c, p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 301 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 302 # 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)
 303 # 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)
 304 # 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)
 305 #else
 306 # define CLOG0(c, p, f)                   _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f _GRAS_LOG_POST
 307 # define CLOG1(c, p, f,a1)                _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1 _GRAS_LOG_POST
 308 # define CLOG2(c, p, f,a1,a2)             _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2 _GRAS_LOG_POST
 309 # define CLOG3(c, p, f,a1,a2,a3)          _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 310 # define CLOG4(c, p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 311 # 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
 312 # 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
 313 # 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
 314 # 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
 315 #endif
 316
 317 #define CDEBUG0(c, f)                   CLOG0(c, gras_log_priority_debug, f)
 318 #define CDEBUG1(c, f,a1)                CLOG1(c, gras_log_priority_debug, f,a1)
 319 #define CDEBUG2(c, f,a1,a2)             CLOG2(c, gras_log_priority_debug, f,a1,a2)
 320 #define CDEBUG3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_debug, f,a1,a2,a3)
 321 #define CDEBUG4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_debug, f,a1,a2,a3,a4)
 322 #define CDEBUG5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 323 #define CDEBUG6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 324 #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)
 325 #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)
 326
 327 #define CVERB0(c, f)                   CLOG0(c, gras_log_priority_verbose, f)
 328 #define CVERB1(c, f,a1)                CLOG1(c, gras_log_priority_verbose, f,a1)
 329 #define CVERB2(c, f,a1,a2)             CLOG2(c, gras_log_priority_verbose, f,a1,a2)
 330 #define CVERB3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_verbose, f,a1,a2,a3)
 331 #define CVERB4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_verbose, f,a1,a2,a3,a4)
 332 #define CVERB5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 333 #define CVERB6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 334
 335 #define CINFO0(c, f)                   CLOG0(c, gras_log_priority_info, f)
 336 #define CINFO1(c, f,a1)                CLOG1(c, gras_log_priority_info, f,a1)
 337 #define CINFO2(c, f,a1,a2)             CLOG2(c, gras_log_priority_info, f,a1,a2)
 338 #define CINFO3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_info, f,a1,a2,a3)
 339 #define CINFO4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_info, f,a1,a2,a3,a4)
 340 #define CINFO5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_info, f,a1,a2,a3,a4,a5)
 341 #define CINFO6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 342
 343 #define CWARN0(c, f)                   CLOG0(c, gras_log_priority_warning, f)
 344 #define CWARN1(c, f,a1)                CLOG1(c, gras_log_priority_warning, f,a1)
 345 #define CWARN2(c, f,a1,a2)             CLOG2(c, gras_log_priority_warning, f,a1,a2)
 346 #define CWARN3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_warning, f,a1,a2,a3)
 347 #define CWARN4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_warning, f,a1,a2,a3,a4)
 348 #define CWARN5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 349 #define CWARN6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 350
 351 #define CERROR0(c, f)                   CLOG0(c, gras_log_priority_error, f)
 352 #define CERROR1(c, f,a1)                CLOG1(c, gras_log_priority_error, f,a1)
 353 #define CERROR2(c, f,a1,a2)             CLOG2(c, gras_log_priority_error, f,a1,a2)
 354 #define CERROR3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_error, f,a1,a2,a3)
 355 #define CERROR4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_error, f,a1,a2,a3,a4)
 356 #define CERROR5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_error, f,a1,a2,a3,a4,a5)
 357 #define CERROR6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 358
 359 /**
 360  * CCRITICAL6:
 361  * @c: the category to log into
 362  * @f: the format string
 363  * @a1: first argument of the format
 364  * @a2: second argument of the format
 365  * @a3: third argument of the format
 366  * @a4: fourth argument of the format
 367  * @a5: fifth argument of the format
 368  * @a6: sixth argument of the format
 369  *
 370  * Log something to the current default category under the warning priority.
 371  *
 372  * The macros CCRITICAL0 ... CCRITICAL5 naturally also exist, but are not listed here
 373  * for sake of clarity. They just differ in the number of arguments passed
 374  * along with the format string.
 375  */
 376
 377 #define CCRITICAL0(c, f)                   CLOG0(c, gras_log_priority_critical, f)
 378 #define CCRITICAL1(c, f,a1)                CLOG1(c, gras_log_priority_critical, f,a1)
 379 #define CCRITICAL2(c, f,a1,a2)             CLOG2(c, gras_log_priority_critical, f,a1,a2)
 380 #define CCRITICAL3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_critical, f,a1,a2,a3)
 381 #define CCRITICAL4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_critical, f,a1,a2,a3,a4)
 382 #define CCRITICAL5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 383 #define CCRITICAL6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 384
 385 #ifdef GRAS_LOG_MAYDAY
 386 # define LOG0(p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 387 # define LOG1(p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 388 # define LOG2(p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 389 # define LOG3(p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 390 # define LOG4(p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 391 # define LOG5(p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 392 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 393 # 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)
 394 # 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)
 395 #else
 396 # define LOG0(p, f)                   _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f _GRAS_LOG_POST
 397 # define LOG1(p, f,a1)                _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1 _GRAS_LOG_POST
 398 # define LOG2(p, f,a1,a2)             _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2 _GRAS_LOG_POST
 399 # define LOG3(p, f,a1,a2,a3)          _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 400 # define LOG4(p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 401 # 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
 402 # 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
 403 # 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
 404 # 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
 405 #endif
 406
 407 /**
 408  * DEBUG6:
 409  * @f: the format string
 410  * @a1: first argument of the format
 411  * @a2: second argument of the format
 412  * @a3: third argument of the format
 413  * @a4: fourth argument of the format
 414  * @a5: fifth argument of the format
 415  * @a6: sixth argument of the format
 416  *
 417  * Log something to the current default category under the debug priority.
 418  *
 419  * The macros DEBUG0 ... DEBUG5 naturally also exist, but are not listed here
 420  * for sake of clarity. They just differ in the number of arguments passed
 421  * along with the format string.
 422  */
 423
 424 #define DEBUG0(f)                   LOG0(gras_log_priority_debug, f)
 425 #define DEBUG1(f,a1)                LOG1(gras_log_priority_debug, f,a1)
 426 #define DEBUG2(f,a1,a2)             LOG2(gras_log_priority_debug, f,a1,a2)
 427 #define DEBUG3(f,a1,a2,a3)          LOG3(gras_log_priority_debug, f,a1,a2,a3)
 428 #define DEBUG4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_debug, f,a1,a2,a3,a4)
 429 #define DEBUG5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 430 #define DEBUG6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 431 #define DEBUG7(f,a1,a2,a3,a4,a5,a6,a7) LOG7(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 432 #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)
 433
 434 /**
 435  * VERB6:
 436  * @f: the format string
 437  * @a1: first argument of the format
 438  * @a2: second argument of the format
 439  * @a3: third argument of the format
 440  * @a4: fourth argument of the format
 441  * @a5: fifth argument of the format
 442  * @a6: sixth argument of the format
 443  *
 444  * Log something to the current default category under the verbose priority.
 445  *
 446  * The macros VERB0 ... VERB5 naturally also exist, but are not listed here
 447  * for sake of clarity. They just differ in the number of arguments passed
 448  * along with the format string.
 449  */
 450
 451 #define VERB0(f)                   LOG0(gras_log_priority_verbose, f)
 452 #define VERB1(f,a1)                LOG1(gras_log_priority_verbose, f,a1)
 453 #define VERB2(f,a1,a2)             LOG2(gras_log_priority_verbose, f,a1,a2)
 454 #define VERB3(f,a1,a2,a3)          LOG3(gras_log_priority_verbose, f,a1,a2,a3)
 455 #define VERB4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_verbose, f,a1,a2,a3,a4)
 456 #define VERB5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 457 #define VERB6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 458
 459 /**
 460  * INFO6:
 461  * @f: the format string
 462  * @a1: first argument of the format
 463  * @a2: second argument of the format
 464  * @a3: third argument of the format
 465  * @a4: fourth argument of the format
 466  * @a5: fifth argument of the format
 467  * @a6: sixth argument of the format
 468  *
 469  * Log something to the current default category under the info priority.
 470  *
 471  * The macros INFO0 ... INFO5 naturally also exist, but are not listed here
 472  * for sake of clarity. They just differ in the number of arguments passed
 473  * along with the format string.
 474  */
 475
 476 #define INFO0(f)                   LOG0(gras_log_priority_info, f)
 477 #define INFO1(f,a1)                LOG1(gras_log_priority_info, f,a1)
 478 #define INFO2(f,a1,a2)             LOG2(gras_log_priority_info, f,a1,a2)
 479 #define INFO3(f,a1,a2,a3)          LOG3(gras_log_priority_info, f,a1,a2,a3)
 480 #define INFO4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_info, f,a1,a2,a3,a4)
 481 #define INFO5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_info, f,a1,a2,a3,a4,a5)
 482 #define INFO6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 483
 484 /**
 485  * WARN6:
 486  * @f: the format string
 487  * @a1: first argument of the format
 488  * @a2: second argument of the format
 489  * @a3: third argument of the format
 490  * @a4: fourth argument of the format
 491  * @a5: fifth argument of the format
 492  * @a6: sixth argument of the format
 493  *
 494  * Log something to the current default category under the warning priority.
 495  *
 496  * The macros WARN0 ... WARN5 naturally also exist, but are not listed here
 497  * for sake of clarity. They just differ in the number of arguments passed
 498  * along with the format string.
 499  */
 500
 501 #define WARN0(f)                   LOG0(gras_log_priority_warning, f)
 502 #define WARN1(f,a1)                LOG1(gras_log_priority_warning, f,a1)
 503 #define WARN2(f,a1,a2)             LOG2(gras_log_priority_warning, f,a1,a2)
 504 #define WARN3(f,a1,a2,a3)          LOG3(gras_log_priority_warning, f,a1,a2,a3)
 505 #define WARN4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_warning, f,a1,a2,a3,a4)
 506 #define WARN5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 507 #define WARN6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 508
 509 /**
 510  * ERROR6:
 511  * @f: the format string
 512  * @a1: first argument of the format
 513  * @a2: second argument of the format
 514  * @a3: third argument of the format
 515  * @a4: fourth argument of the format
 516  * @a5: fifth argument of the format
 517  * @a6: sixth argument of the format
 518  *
 519  * Log something to the current default category under the error priority.
 520  *
 521  * The macros ERROR0 ... ERROR5 naturally also exist, but are not listed here
 522  * for sake of clarity. They just differ in the number of arguments passed
 523  * along with the format string.
 524  */
 525
 526 #define ERROR0(f)                   LOG0(gras_log_priority_error, f)
 527 #define ERROR1(f,a1)                LOG1(gras_log_priority_error, f,a1)
 528 #define ERROR2(f,a1,a2)             LOG2(gras_log_priority_error, f,a1,a2)
 529 #define ERROR3(f,a1,a2,a3)          LOG3(gras_log_priority_error, f,a1,a2,a3)
 530 #define ERROR4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_error, f,a1,a2,a3,a4)
 531 #define ERROR5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_error, f,a1,a2,a3,a4,a5)
 532 #define ERROR6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 533
 534 /**
 535  * CRITICAL6:
 536  * @f: the format string
 537  * @a1: first argument of the format
 538  * @a2: second argument of the format
 539  * @a3: third argument of the format
 540  * @a4: fourth argument of the format
 541  * @a5: fifth argument of the format
 542  * @a6: sixth argument of the format
 543  *
 544  * Log something to the current default category under the critical priority.
 545  *
 546  * The macros CRITICAL0 ... CRITICAL5 naturally also exist, but are not listed here
 547  * for sake of clarity. They just differ in the number of arguments passed
 548  * along with the format string.
 549  */
 550 #define CRITICAL0(f)                   LOG0(gras_log_priority_critical, f)
 551 #define CRITICAL1(f,a1)                LOG1(gras_log_priority_critical, f,a1)
 552 #define CRITICAL2(f,a1,a2)             LOG2(gras_log_priority_critical, f,a1,a2)
 553 #define CRITICAL3(f,a1,a2,a3)          LOG3(gras_log_priority_critical, f,a1,a2,a3)
 554 #define CRITICAL4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_critical, f,a1,a2,a3,a4)
 555 #define CRITICAL5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 556 #define CRITICAL6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 557
 558 #define GRAS_IN               LOG1(gras_log_priority_trace, ">> begin of %s",     _GRAS_GNUC_FUNCTION)
 559 #define GRAS_IN1(fmt,a)       LOG2(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a)
 560 #define GRAS_IN2(fmt,a,b)     LOG3(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b)
 561 #define GRAS_IN3(fmt,a,b,c)   LOG4(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b,c)
 562 #define GRAS_IN4(fmt,a,b,c,d) LOG5(gras_log_priority_trace, ">> begin of %s" fmt, _GRAS_GNUC_FUNCTION, a,b,c,d)
 563 #define GRAS_OUT              LOG1(gras_log_priority_trace, "<< end of %s",       _GRAS_GNUC_FUNCTION)
 564
 565 #endif /* ! _GRAS_LOG_H_ */