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/***
* Copyright 2020 HAProxy Technologies
*
* This file is part of the HAProxy OpenTracing filter.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _OPENTRACING_DEBUG_H_
#define _OPENTRACING_DEBUG_H_
#ifdef DEBUG_FULL
# define DEBUG_OT
#endif
#ifdef DEBUG_OT
# ifdef DEBUG_OT_SYSTIME
# define FLT_OT_DBG_FMT(f) "[% 2d] %ld.%06ld [" FLT_OT_SCOPE "]: " f, tid, date.tv_sec, date.tv_usec
# else
# define FLT_OT_DBG_FMT(f) "[% 2d] %11.6f [" FLT_OT_SCOPE "]: " f, tid, FLT_OT_TV_UDIFF(&(flt_ot_debug.start), &date) / 1e6
# endif
# define FLT_OT_DBG_INDENT " "
# define FLT_OT_DBG(l,f, ...) \
do { \
if (!(l) || (flt_ot_debug.level & (1 << (l)))) \
(void)fprintf(stderr, FLT_OT_DBG_FMT("%.*s" f "\n"), \
dbg_indent_level, FLT_OT_DBG_INDENT, ##__VA_ARGS__); \
} while (0)
# define FLT_OT_FUNC(f, ...) do { FLT_OT_DBG(1, "%s(" f ") {", __func__, ##__VA_ARGS__); dbg_indent_level += 3; } while (0)
# define FLT_OT_RETURN(a) do { dbg_indent_level -= 3; FLT_OT_DBG(1, "}"); return a; } while (0)
# define FLT_OT_RETURN_EX(a,t,f) do { dbg_indent_level -= 3; { t _r = (a); FLT_OT_DBG(1, "} = " f, _r); return _r; } } while (0)
# define FLT_OT_RETURN_INT(a) FLT_OT_RETURN_EX((a), int, "%d")
# define FLT_OT_RETURN_PTR(a) FLT_OT_RETURN_EX((a), void *, "%p")
# define FLT_OT_DBG_IFDEF(a,b) a
# define FLT_OT_DBG_ARGS(a, ...) a, ##__VA_ARGS__
# define FLT_OT_DBG_BUF(a,b) do { FLT_OT_DBG((a), "%p:{ %zu %p %zu %zu }", (b), (b)->size, (b)->area, (b)->data, (b)->head); } while (0)
struct flt_ot_debug {
#ifndef DEBUG_OT_SYSTIME
struct timeval start;
#endif
uint8_t level;
};
extern THREAD_LOCAL int dbg_indent_level;
extern struct flt_ot_debug flt_ot_debug;
#else
# define FLT_OT_DBG(...) while (0)
# define FLT_OT_FUNC(...) while (0)
# define FLT_OT_RETURN(a) return a
# define FLT_OT_RETURN_EX(a,t,f) return a
# define FLT_OT_RETURN_INT(a) return a
# define FLT_OT_RETURN_PTR(a) return a
# define FLT_OT_DBG_IFDEF(a,b) b
# define FLT_OT_DBG_ARGS(...)
# define FLT_OT_DBG_BUF(a,b) while (0)
#endif /* DEBUG_OT */
/*
* ON | NOLOGNORM |
* -----+-----------+-------------
* 0 | 0 | no log
* 0 | 1 | no log
* 1 | 0 | log all
* 1 | 1 | log errors
* -----+-----------+-------------
*/
#define FLT_OT_LOG(l,f, ...) \
do { \
if (!(conf->tracer->logging & FLT_OT_LOGGING_ON)) \
FLT_OT_DBG(3, "NOLOG[%d]: [" FLT_OT_SCOPE "]: [%s] " f, (l), conf->id, ##__VA_ARGS__); \
else if ((conf->tracer->logging & FLT_OT_LOGGING_NOLOGNORM) && ((l) > LOG_ERR)) \
FLT_OT_DBG(2, "NOLOG[%d]: [" FLT_OT_SCOPE "]: [%s] " f, (l), conf->id, ##__VA_ARGS__); \
else { \
send_log(&(conf->tracer->proxy_log), (l), "[" FLT_OT_SCOPE "]: [%s] " f "\n", conf->id, ##__VA_ARGS__); \
\
FLT_OT_DBG(1, "LOG[%d]: %s", (l), logline); \
} \
} while (0)
#endif /* _OPENTRACING_DEBUG_H_ */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*
* vi: noexpandtab shiftwidth=8 tabstop=8
*/
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