Struct TraceContext 

pub struct TraceContext {
    pub trace_id: String,
    pub span_id: String,
    pub parent_span_id: Option<String>,
    pub sampled: bool,
}

Simplified trace context for internal use

Fields

trace_id: String

span_id: String

parent_span_id: Option<String>

sampled: bool

Implementations

impl TraceContext

pub fn new_root() -> Self

Create a new root trace context

Examples found in repository

examples/integrated_context_demo.rs (line 17)

fn main() {
    println!("🔌 observability_core context demo");
    println!("==================================\n");

    println!("Before: {:?}", get_current_context());

    let root = TraceContext::new_root();
    let trace_id = root.trace_id.clone();

    let out = with_context(root, || {
        println!("Inside: {:?}", get_current_context());
        "ok"
    });

    println!("After: {:?}", get_current_context());
    println!("Result: {out} (trace_id={trace_id})");
}

examples/raii_scoped_context_demo.rs (line 15)

fn main() {
    println!("🔒 Scoped trace context demo");
    println!("============================\n");

    println!("Before: {:?}", get_current_context());

    let ctx = TraceContext::new_root();
    let tid = ctx.trace_id.clone();

    let out = with_context(ctx, || {
        log::info!("Processing request");
        get_current_context().unwrap().trace_id
    });

    println!("Inside returned trace_id={out}");
    println!("Expected trace_id={tid}");
    println!("After: {:?}", get_current_context());
}

pub fn new_child(&self) -> Self

Create a child span

pub fn to_w3c(&self) -> W3CTraceContext

Convert to W3C trace context

pub fn from_w3c(w3c: &W3CTraceContext) -> Self

Create from W3C trace context

Trait Implementations

impl Clone for TraceContext

fn clone(&self) -> TraceContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TraceContext

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

Formats the value using the given formatter.