Struct TracingContext 

pub struct TracingContext { /* private fields */ }

Available on crate feature tracing only.

Metadata used specifically for storing tracing context.

Implementations

impl TracingContext

pub fn new() -> Self

Create a new empty TracingContext.

pub fn with_trace_id(self, trace_id: impl Into<String>) -> Self

Set the trace ID.

pub fn with_span_id(self, span_id: impl Into<String>) -> Self

Set the span ID.

pub fn with_trace_flags(self, trace_flags: u8) -> Self

Set the trace flags.

pub fn with_trace_state(self, trace_state: impl Into<String>) -> Self

Set the trace state.

pub fn trace_id(&self) -> &Option<String>

Get the trace ID.

pub fn span_id(&self) -> &Option<String>

Get the span ID.

pub fn trace_flags(&self) -> &Option<u8>

Get the trace flags.

pub fn trace_state(&self) -> &Option<String>

Get the trace state.

Trait Implementations

impl Clone for TracingContext

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TracingContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TracingContext

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for TracingContext

Available on crate feature serde only.

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for TracingContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromStr for TracingContext

type Err = TracingContextParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Metadata for TracingContext

type Error = TracingContextParseError

The error produced when extracting the Metadata

fn extract(store: &MetadataStore) -> Result<Self, Self::Error>

Extract Metadata from the store

fn inject(&self, map: &mut MetadataStore) -> Result<(), Self::Error>

Inject Self into the store

impl Serialize for TracingContext

Available on crate feature serde only.

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.