Trait tracing_fluentd::FieldFormatter[−][src]

pub trait FieldFormatter: 'static {
    fn on_event<'a, R: LookupSpan<'a>>(
        record: &mut Record, 
        event: &Event<'_>, 
        current_span: Option<SpanRef<'a, R>>
    );

    fn new_span<C: Collect + for<'a> LookupSpan<'a>>(
        attrs: &Attributes<'_>, 
        id: &Id, 
        ctx: Context<'_, C>
    ) { ... }

    fn on_record<C: Collect + for<'a> LookupSpan<'a>>(
        id: &Id, 
        values: &Record<'_>, 
        ctx: Context<'_, C>
    ) { ... }
}
Expand description

Describes how compose event fields.

Required methods

Handler for when Layer::on_event is invoked.

Given record must be filled with data, after exiting this method, record is sent to the fluentd

Provided methods

Handler for when Layer::new_span is invoked.

By default uses span’s extensions to store fluent::Map containing attributes of the span.

Handler for when Layer::new_span is invoked.

By default uses span’s extensions to store extra attributes of span within fluent::Map, created by new_span, if any.

Implementors