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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_VARS_H_
#define _OPENTRACING_VARS_H_
#define FLT_OT_VARS_SCOPE "txn"
#define FLT_OT_VAR_CTX_SIZE int8_t
#define FLT_OT_VAR_CHAR_DASH 'D'
#define FLT_OT_VAR_CHAR_SPACE 'S'
struct flt_ot_ctx {
char value[BUFSIZ];
int value_len;
};
typedef int (*flt_ot_ctx_loop_cb)(struct sample *, size_t, const char *, const char *, const char *, FLT_OT_VAR_CTX_SIZE, char **, void *);
#ifndef DEBUG_OT
# define flt_ot_vars_dump(...) while (0)
#else
void flt_ot_vars_dump(struct stream *s);
#endif
int flt_ot_var_register(const char *scope, const char *prefix, const char *name, char **err);
int flt_ot_var_set(struct stream *s, const char *scope, const char *prefix, const char *name, const char *value, uint opt, char **err);
int flt_ot_vars_unset(struct stream *s, const char *scope, const char *prefix, uint opt, char **err);
struct otc_text_map *flt_ot_vars_get(struct stream *s, const char *scope, const char *prefix, uint opt, char **err);
#endif /* _OPENTRACING_VARS_H_ */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*
* vi: noexpandtab shiftwidth=8 tabstop=8
*/
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