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Diffstat (limited to '')
-rw-r--r-- | include/opentracing-c-wrapper/tracer.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/include/opentracing-c-wrapper/tracer.h b/include/opentracing-c-wrapper/tracer.h new file mode 100644 index 0000000..ca27e1e --- /dev/null +++ b/include/opentracing-c-wrapper/tracer.h @@ -0,0 +1,93 @@ +/*** + * 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 + */ |