# tracing.cpp

**Stand:** 5. Dezember 2025  
**Version:** 1.0.0  
**Kategorie:** Src

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Path: `src/utils/tracing.cpp`

Purpose: Tracing integration for distributed traces (OpenTelemetry etc.) and span helpers.

Public functions / symbols:
- `if (initialized_) {`
- `if (ec) {`
- `if (!initialized_) {`
- `if (provider) {`
- `if (sdk_provider) {`
- `if (!initialized_ || tracer_ == nullptr) {`
- `if (!tracer) {`
- `if (!tracer || !parent.valid_) {`
- `if (span_) {`
- `if (valid_ && !ended_) {`
- `if (this != &other) {`
- `if (span_ && !ended_) {`
- `THEMIS_WARN("Tracer already initialized");`
- `tcp::resolver resolver(io);`
- `tcp::socket socket(io);`
- `THEMIS_INFO("OpenTelemetry tracer initialized: service={}, endpoint={}", serviceName, endpoint);`
- `THEMIS_INFO("OpenTelemetry tracer shut down");`
- `return Span(); // Return invalid span`
- `return Span(span);`
- `return Span(); // No-op span`
- `return Span();`
- `end();`