Generator for 64-bit span IDs with embedded timestamp. More...
#include <span_id_generator.hpp>
Collaboration diagram for span_id_generator:
Public Member Functions | |
| span_id_generator () | |
| Constructs the generator. | |
| domain::span_id | operator() () |
| Generates a new span_id. | |
Detailed Description
Generator for 64-bit span IDs with embedded timestamp.
The generated span_id has the following structure:
- Bytes 0-5 (48 bits): Timestamp in milliseconds since Unix epoch
- Bytes 6-7 (16 bits): Sequence counter / random component
This structure provides:
- Time-sortability within a trace
- Uniqueness via timestamp + sequence
- OpenTelemetry compatibility (64-bit size)
Member Function Documentation
◆ operator()()
| domain::span_id operator() | ( | ) |
Generates a new span_id.
Thread-safe: Multiple threads can call this concurrently.
- Returns
- A unique span_id with embedded timestamp.
