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Miroslav Zagorac70230c62020-12-09 16:54:31 +01001/***
2 * Copyright 2020 HAProxy Technologies
3 *
4 * This file is part of the HAProxy OpenTracing filter.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20#ifndef _OPENTRACING_OT_H_
21#define _OPENTRACING_OT_H_
22
23#include <opentracing-c-wrapper/include.h>
24
25
26#define FLT_OT_VSET(p,t,v) \
27 do { (p)->type = otc_value_##t; (p)->value.t##_value = (v); } while (0)
28
29#define FLT_OT_DBG_TEXT_MAP(a) \
30 FLT_OT_DBG(3, "%p:{ %p %p %zu/%zu %hhu }", \
31 (a), (a)->key, (a)->value, (a)->count, (a)->size, (a)->is_dynamic)
32
33#define FLT_OT_DBG_TEXT_CARRIER(a,f) \
34 FLT_OT_DBG(3, "%p:{ { %p %p %zu/%zu %hhu } %p }", \
35 (a), (a)->text_map.key, (a)->text_map.value, (a)->text_map.count, \
36 (a)->text_map.size, (a)->text_map.is_dynamic, (a)->f)
37
38#define FLT_OT_DBG_CUSTOM_CARRIER(a,f) \
39 FLT_OT_DBG(3, "%p:{ { %p %zu %hhu } %p }", \
40 (a), (a)->binary_data.data, (a)->binary_data.size, \
41 (a)->binary_data.is_dynamic, (a)->f)
42
43#define FLT_OT_DBG_SPAN_CONTEXT(a) \
44 FLT_OT_DBG(3, "%p:{ %" PRId64 " %p %p }", (a), (a)->idx, (a)->span, (a)->destroy)
45
46
47#ifndef DEBUG_OT
48# define ot_debug() while (0)
49# define ot_text_map_show(...) while (0)
50#else
51void ot_text_map_show(const struct otc_text_map *text_map);
52void ot_debug(void);
53#endif
Miroslav Zagoracfcf4e3d2021-06-10 01:23:15 +020054int ot_init(struct otc_tracer **tracer, const char *plugin, char **err);
55int ot_start(struct otc_tracer *tracer, const char *cfgbuf, char **err);
Miroslav Zagorac70230c62020-12-09 16:54:31 +010056struct otc_span *ot_span_init(struct otc_tracer *tracer, const char *operation_name, const struct timespec *ts_steady, const struct timespec *ts_system, int ref_type, int ref_ctx_idx, const struct otc_span *ref_span, const struct otc_tag *tags, int num_tags, char **err);
57int ot_span_tag(struct otc_span *span, const struct otc_tag *tags, int num_tags);
58int ot_span_log(struct otc_span *span, const struct otc_log_field *log_fields, int num_fields);
59int ot_span_set_baggage(struct otc_span *span, const struct otc_text_map *baggage);
60struct otc_span_context *ot_inject_http_headers(struct otc_tracer *tracer, const struct otc_span *span, struct otc_http_headers_writer *carrier, char **err);
61struct otc_span_context *ot_extract_http_headers(struct otc_tracer *tracer, struct otc_http_headers_reader *carrier, const struct otc_text_map *text_map, char **err);
62void ot_span_finish(struct otc_span **span, const struct timespec *ts_finish, const struct timespec *log_ts, const char *log_key, const char *log_value, ...);
63void ot_close(struct otc_tracer **tracer);
64
65/* Unused code. */
66struct otc_span *ot_span_init_va(struct otc_tracer *tracer, const char *operation_name, const struct timespec *ts_steady, const struct timespec *ts_system, int ref_type, int ref_ctx_idx, const struct otc_span *ref_span, char **err, const char *tag_key, const char *tag_value, ...);
67int ot_span_tag_va(struct otc_span *span, const char *key, int type, ...);
68int ot_span_log_va(struct otc_span *span, const char *key, const char *value, ...);
69int ot_span_log_fmt(struct otc_span *span, const char *key, const char *format, ...) __attribute__ ((format(printf, 3, 4)));
70int ot_span_set_baggage_va(struct otc_span *span, const char *key, const char *value, ...);
71struct otc_text_map *ot_span_baggage_va(const struct otc_span *span, const char *key, ...);
72struct otc_span_context *ot_inject_text_map(struct otc_tracer *tracer, const struct otc_span *span, struct otc_text_map_writer *carrier);
73struct otc_span_context *ot_inject_binary(struct otc_tracer *tracer, const struct otc_span *span, struct otc_custom_carrier_writer *carrier);
74struct otc_span_context *ot_extract_text_map(struct otc_tracer *tracer, struct otc_text_map_reader *carrier, const struct otc_text_map *text_map);
75struct otc_span_context *ot_extract_binary(struct otc_tracer *tracer, struct otc_custom_carrier_reader *carrier, const struct otc_binary_data *binary_data);
76
77#endif /* _OPENTRACING_OT_H_ */
78
79/*
80 * Local variables:
81 * c-indent-level: 8
82 * c-basic-offset: 8
83 * End:
84 *
85 * vi: noexpandtab shiftwidth=8 tabstop=8
86 */