86 lines
4.9 KiB
C
86 lines
4.9 KiB
C
/***
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* Copyright 2020 HAProxy Technologies
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*
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* This file is part of the HAProxy OpenTracing filter.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _OPENTRACING_OT_H_
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#define _OPENTRACING_OT_H_
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#include <opentracing-c-wrapper/include.h>
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#define FLT_OT_VSET(p,t,v) \
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do { (p)->type = otc_value_##t; (p)->value.t##_value = (v); } while (0)
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#define FLT_OT_DBG_TEXT_MAP(a) \
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FLT_OT_DBG(3, "%p:{ %p %p %zu/%zu %hhu }", \
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(a), (a)->key, (a)->value, (a)->count, (a)->size, (a)->is_dynamic)
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#define FLT_OT_DBG_TEXT_CARRIER(a,f) \
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FLT_OT_DBG(3, "%p:{ { %p %p %zu/%zu %hhu } %p }", \
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(a), (a)->text_map.key, (a)->text_map.value, (a)->text_map.count, \
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(a)->text_map.size, (a)->text_map.is_dynamic, (a)->f)
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#define FLT_OT_DBG_CUSTOM_CARRIER(a,f) \
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FLT_OT_DBG(3, "%p:{ { %p %zu %hhu } %p }", \
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(a), (a)->binary_data.data, (a)->binary_data.size, \
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(a)->binary_data.is_dynamic, (a)->f)
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#define FLT_OT_DBG_SPAN_CONTEXT(a) \
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FLT_OT_DBG(3, "%p:{ %" PRId64 " %p %p }", (a), (a)->idx, (a)->span, (a)->destroy)
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#ifndef DEBUG_OT
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# define ot_debug() while (0)
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# define ot_text_map_show(...) while (0)
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#else
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void ot_text_map_show(const struct otc_text_map *text_map);
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void ot_debug(void);
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#endif
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int ot_init(struct otc_tracer **tracer, const char *config, const char *plugin, char **err);
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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);
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int ot_span_tag(struct otc_span *span, const struct otc_tag *tags, int num_tags);
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int ot_span_log(struct otc_span *span, const struct otc_log_field *log_fields, int num_fields);
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int ot_span_set_baggage(struct otc_span *span, const struct otc_text_map *baggage);
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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);
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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);
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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, ...);
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void ot_close(struct otc_tracer **tracer);
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/* Unused code. */
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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, ...);
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int ot_span_tag_va(struct otc_span *span, const char *key, int type, ...);
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int ot_span_log_va(struct otc_span *span, const char *key, const char *value, ...);
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int ot_span_log_fmt(struct otc_span *span, const char *key, const char *format, ...) __attribute__ ((format(printf, 3, 4)));
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int ot_span_set_baggage_va(struct otc_span *span, const char *key, const char *value, ...);
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struct otc_text_map *ot_span_baggage_va(const struct otc_span *span, const char *key, ...);
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struct otc_span_context *ot_inject_text_map(struct otc_tracer *tracer, const struct otc_span *span, struct otc_text_map_writer *carrier);
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struct otc_span_context *ot_inject_binary(struct otc_tracer *tracer, const struct otc_span *span, struct otc_custom_carrier_writer *carrier);
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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);
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struct otc_span_context *ot_extract_binary(struct otc_tracer *tracer, struct otc_custom_carrier_reader *carrier, const struct otc_binary_data *binary_data);
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#endif /* _OPENTRACING_OT_H_ */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*
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* vi: noexpandtab shiftwidth=8 tabstop=8
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*/
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