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Diffstat (limited to 'addons/ot/include/opentracing.h')
| -rw-r--r-- | addons/ot/include/opentracing.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/addons/ot/include/opentracing.h b/addons/ot/include/opentracing.h new file mode 100644 index 0000000..2b88a33 --- /dev/null +++ b/addons/ot/include/opentracing.h @@ -0,0 +1,86 @@ +/*** + * 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_OT_H_ +#define _OPENTRACING_OT_H_ + +#include <opentracing-c-wrapper/include.h> + + +#define FLT_OT_VSET(p,t,v) \ + do { (p)->type = otc_value_##t; (p)->value.t##_value = (v); } while (0) + +#define FLT_OT_DBG_TEXT_MAP(a) \ + FLT_OT_DBG(3, "%p:{ %p %p %zu/%zu %hhu }", \ + (a), (a)->key, (a)->value, (a)->count, (a)->size, (a)->is_dynamic) + +#define FLT_OT_DBG_TEXT_CARRIER(a,f) \ + FLT_OT_DBG(3, "%p:{ { %p %p %zu/%zu %hhu } %p }", \ + (a), (a)->text_map.key, (a)->text_map.value, (a)->text_map.count, \ + (a)->text_map.size, (a)->text_map.is_dynamic, (a)->f) + +#define FLT_OT_DBG_CUSTOM_CARRIER(a,f) \ + FLT_OT_DBG(3, "%p:{ { %p %zu %hhu } %p }", \ + (a), (a)->binary_data.data, (a)->binary_data.size, \ + (a)->binary_data.is_dynamic, (a)->f) + +#define FLT_OT_DBG_SPAN_CONTEXT(a) \ + FLT_OT_DBG(3, "%p:{ %" PRId64 " %p %p }", (a), (a)->idx, (a)->span, (a)->destroy) + + +#ifndef DEBUG_OT +# define ot_debug() while (0) +# define ot_text_map_show(...) while (0) +#else +void ot_text_map_show(const struct otc_text_map *text_map); +void ot_debug(void); +#endif +int ot_init(struct otc_tracer **tracer, const char *plugin, char **err); +int ot_start(struct otc_tracer *tracer, const char *cfgbuf, char **err); +struct 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); +int ot_span_tag(struct otc_span *span, const struct otc_tag *tags, int num_tags); +int ot_span_log(struct otc_span *span, const struct otc_log_field *log_fields, int num_fields); +int ot_span_set_baggage(struct otc_span *span, const struct otc_text_map *baggage); +struct otc_span_context *ot_inject_http_headers(struct otc_tracer *tracer, const struct otc_span *span, struct otc_http_headers_writer *carrier, char **err); +struct 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); +void 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, ...); +void ot_close(struct otc_tracer **tracer); + +/* Unused code. */ +struct 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, ...); +int ot_span_tag_va(struct otc_span *span, const char *key, int type, ...); +int ot_span_log_va(struct otc_span *span, const char *key, const char *value, ...); +int ot_span_log_fmt(struct otc_span *span, const char *key, const char *format, ...) __attribute__ ((format(printf, 3, 4))); +int ot_span_set_baggage_va(struct otc_span *span, const char *key, const char *value, ...); +struct otc_text_map *ot_span_baggage_va(const struct otc_span *span, const char *key, ...); +struct otc_span_context *ot_inject_text_map(struct otc_tracer *tracer, const struct otc_span *span, struct otc_text_map_writer *carrier); +struct otc_span_context *ot_inject_binary(struct otc_tracer *tracer, const struct otc_span *span, struct otc_custom_carrier_writer *carrier); +struct otc_span_context *ot_extract_text_map(struct otc_tracer *tracer, struct otc_text_map_reader *carrier, const struct otc_text_map *text_map); +struct otc_span_context *ot_extract_binary(struct otc_tracer *tracer, struct otc_custom_carrier_reader *carrier, const struct otc_binary_data *binary_data); + +#endif /* _OPENTRACING_OT_H_ */ + +/* + * Local variables: + * c-indent-level: 8 + * c-basic-offset: 8 + * End: + * + * vi: noexpandtab shiftwidth=8 tabstop=8 + */ |