diff options
Diffstat (limited to 'addons/ot/include/debug.h')
| -rw-r--r-- | addons/ot/include/debug.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/addons/ot/include/debug.h b/addons/ot/include/debug.h new file mode 100644 index 0000000..6274961 --- /dev/null +++ b/addons/ot/include/debug.h @@ -0,0 +1,104 @@ +/*** + * 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, now.tv_sec, now.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), &now) / 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 + */ |