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/***
* Copyright 2020 HAProxy Technologies
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OPENTRACING_C_WRAPPER_TRACER_H
#define OPENTRACING_C_WRAPPER_TRACER_H
__CPLUSPLUS_DECL_BEGIN
struct otc_tag {
const char *key;
struct otc_value value;
};
struct otc_start_span_options {
struct otc_duration start_time_steady;
struct otc_timestamp start_time_system;
const struct otc_span_reference *references;
int num_references;
const struct otc_tag *tags;
int num_tags;
};
/***
* tracer interface
*/
struct otc_tracer {
void (*close)(struct otc_tracer *tracer)
OTC_NONNULL_ALL;
struct otc_span *(*start_span)(struct otc_tracer *tracer, const char *operation_name)
OTC_NONNULL_ALL;
struct otc_span *(*start_span_with_options)(struct otc_tracer *tracer, const char *operation_name, const struct otc_start_span_options *options)
OTC_NONNULL(1, 2);
otc_propagation_error_code_t (*inject_text_map)(struct otc_tracer *tracer, struct otc_text_map_writer *carrier, const struct otc_span_context *span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*inject_http_headers)(struct otc_tracer *tracer, struct otc_http_headers_writer *carrier, const struct otc_span_context *span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*inject_binary)(struct otc_tracer *tracer, struct otc_custom_carrier_writer *carrier, const struct otc_span_context *span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*inject_custom)(struct otc_tracer *tracer, struct otc_custom_carrier_writer *carrier, const struct otc_span_context *span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*extract_text_map)(struct otc_tracer *tracer, const struct otc_text_map_reader *carrier, struct otc_span_context **span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*extract_http_headers)(struct otc_tracer *tracer, const struct otc_http_headers_reader *carrier, struct otc_span_context **span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*extract_binary)(struct otc_tracer *tracer, const struct otc_custom_carrier_reader *carrier, struct otc_span_context **span_context)
OTC_NONNULL_ALL;
otc_propagation_error_code_t (*extract_custom)(struct otc_tracer *tracer, const struct otc_custom_carrier_reader *carrier, struct otc_span_context **span_context)
OTC_NONNULL_ALL;
void (*destroy)(struct otc_tracer **tracer)
OTC_NONNULL_ALL;
};
struct otc_tracer *otc_tracer_init(const char *library, const char *cfgfile, const char *cfgbuf, char *errbuf, int errbufsiz);
struct otc_tracer *otc_tracer_load(const char *library, char *errbuf, int errbufsiz);
int otc_tracer_start(const char *cfgfile, const char *cfgbuf, char *errbuf, int errbufsiz);
void otc_tracer_global(struct otc_tracer *tracer);
void otc_tracer_init_global(struct otc_tracer *tracer);
__CPLUSPLUS_DECL_END
#endif /* OPENTRACING_C_WRAPPER_TRACER_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*
* vi: noexpandtab shiftwidth=8 tabstop=8
*/
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