Crate http_zipkin

HTTP header propagation for Zipkin trace information.

Functions

• get_sampling_flags
  Deserializes sampling flags from a set of HTTP headers.
• get_trace_context
  Deserializes a trace context from a set of HTTP headers.
• set_sampling_flags
  Serializes sampling flags into a set of HTTP headers.
• set_sampling_flags_single
  Serializes sampling flags into the b3 HTTP header.
• set_trace_context
  Serializes a trace context into a set of HTTP headers.
• set_trace_context_single
  Serializes a trace context into the b3 header.