Struct tracing_subscriber::reload::Layer
source · [−]pub struct Layer<L, S> { /* private fields */ }
std
only.Expand description
Wraps a Layer
or Filter
, allowing it to be reloaded dynamically at runtime.
Implementations
Trait Implementations
sourceimpl<S, L> Filter<S> for Layer<L, S> where
L: Filter<S> + 'static,
S: Subscriber,
Available on crate feature registry
only.
impl<S, L> Filter<S> for Layer<L, S> where
L: Filter<S> + 'static,
S: Subscriber,
registry
only.sourcefn callsite_enabled(&self, metadata: &'static Metadata<'static>) -> Interest
fn callsite_enabled(&self, metadata: &'static Metadata<'static>) -> Interest
sourcefn enabled(&self, metadata: &Metadata<'_>, ctx: &Context<'_, S>) -> bool
fn enabled(&self, metadata: &Metadata<'_>, ctx: &Context<'_, S>) -> bool
Returns true
if this layer is interested in a span or event with the
given Metadata
in the current Context
, similarly to
Subscriber::enabled
. Read more
sourcefn on_new_span(&self, attrs: &Attributes<'_>, id: &Id, ctx: Context<'_, S>)
fn on_new_span(&self, attrs: &Attributes<'_>, id: &Id, ctx: Context<'_, S>)
Notifies this filter that a new span was constructed with the given
Attributes
and Id
. Read more
sourcefn on_record(&self, span: &Id, values: &Record<'_>, ctx: Context<'_, S>)
fn on_record(&self, span: &Id, values: &Record<'_>, ctx: Context<'_, S>)
Notifies this filter that a span with the given Id
recorded the given
values
. Read more
sourcefn on_enter(&self, id: &Id, ctx: Context<'_, S>)
fn on_enter(&self, id: &Id, ctx: Context<'_, S>)
Notifies this filter that a span with the given ID was entered. Read more
sourcefn on_exit(&self, id: &Id, ctx: Context<'_, S>)
fn on_exit(&self, id: &Id, ctx: Context<'_, S>)
Notifies this filter that a span with the given ID was exited. Read more
sourcefn on_close(&self, id: Id, ctx: Context<'_, S>)
fn on_close(&self, id: Id, ctx: Context<'_, S>)
Notifies this filter that a span with the given ID has been closed. Read more
sourcefn max_level_hint(&self) -> Option<LevelFilter>ⓘNotable traits for Option<L>impl<L, S> Layer<S> for Option<L> where
L: Layer<S>,
S: Subscriber,
fn max_level_hint(&self) -> Option<LevelFilter>ⓘNotable traits for Option<L>impl<L, S> Layer<S> for Option<L> where
L: Layer<S>,
S: Subscriber,
L: Layer<S>,
S: Subscriber,
Returns an optional hint of the highest verbosity level that
this Filter
will enable. Read more
sourceimpl<L, S> Layer<S> for Layer<L, S> where
L: Layer<S> + 'static,
S: Subscriber,
impl<L, S> Layer<S> for Layer<L, S> where
L: Layer<S> + 'static,
S: Subscriber,
sourcefn on_layer(&mut self, subscriber: &mut S)
fn on_layer(&mut self, subscriber: &mut S)
Performs late initialization when attaching a Layer
to a
Subscriber
. Read more
sourcefn register_callsite(&self, metadata: &'static Metadata<'static>) -> Interest
fn register_callsite(&self, metadata: &'static Metadata<'static>) -> Interest
Registers a new callsite with this layer, returning whether or not
the layer is interested in being notified about the callsite, similarly
to Subscriber::register_callsite
. Read more
sourcefn enabled(&self, metadata: &Metadata<'_>, ctx: Context<'_, S>) -> bool
fn enabled(&self, metadata: &Metadata<'_>, ctx: Context<'_, S>) -> bool
Returns true
if this layer is interested in a span or event with the
given metadata
in the current Context
, similarly to
Subscriber::enabled
. Read more
sourcefn on_new_span(&self, attrs: &Attributes<'_>, id: &Id, ctx: Context<'_, S>)
fn on_new_span(&self, attrs: &Attributes<'_>, id: &Id, ctx: Context<'_, S>)
Notifies this layer that a new span was constructed with the given
Attributes
and Id
. Read more
sourcefn on_record(&self, span: &Id, values: &Record<'_>, ctx: Context<'_, S>)
fn on_record(&self, span: &Id, values: &Record<'_>, ctx: Context<'_, S>)
Notifies this layer that a span with the given Id
recorded the given
values
. Read more
sourcefn on_follows_from(&self, span: &Id, follows: &Id, ctx: Context<'_, S>)
fn on_follows_from(&self, span: &Id, follows: &Id, ctx: Context<'_, S>)
Notifies this layer that a span with the ID span
recorded that it
follows from the span with the ID follows
. Read more
sourcefn event_enabled(&self, event: &Event<'_>, ctx: Context<'_, S>) -> bool
fn event_enabled(&self, event: &Event<'_>, ctx: Context<'_, S>) -> bool
sourcefn on_event(&self, event: &Event<'_>, ctx: Context<'_, S>)
fn on_event(&self, event: &Event<'_>, ctx: Context<'_, S>)
Notifies this layer that an event has occurred.
sourcefn on_enter(&self, id: &Id, ctx: Context<'_, S>)
fn on_enter(&self, id: &Id, ctx: Context<'_, S>)
Notifies this layer that a span with the given ID was entered.
sourcefn on_exit(&self, id: &Id, ctx: Context<'_, S>)
fn on_exit(&self, id: &Id, ctx: Context<'_, S>)
Notifies this layer that the span with the given ID was exited.
sourcefn on_close(&self, id: Id, ctx: Context<'_, S>)
fn on_close(&self, id: Id, ctx: Context<'_, S>)
Notifies this layer that the span with the given ID has been closed.
sourcefn on_id_change(&self, old: &Id, new: &Id, ctx: Context<'_, S>)
fn on_id_change(&self, old: &Id, new: &Id, ctx: Context<'_, S>)
Notifies this layer that a span ID has been cloned, and that the subscriber returned a different ID. Read more
sourcefn and_then<L>(self, layer: L) -> Layered<L, Self, S>ⓘNotable traits for Layered<A, B, S>impl<S, A, B> Layer<S> for Layered<A, B, S> where
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
where
L: Layer<S>,
Self: Sized,
fn and_then<L>(self, layer: L) -> Layered<L, Self, S>ⓘNotable traits for Layered<A, B, S>impl<S, A, B> Layer<S> for Layered<A, B, S> where
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
where
L: Layer<S>,
Self: Sized,
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
Composes this layer around the given Layer
, returning a Layered
struct implementing Layer
. Read more
sourcefn with_subscriber(self, inner: S) -> Layered<Self, S>ⓘNotable traits for Layered<A, B, S>impl<S, A, B> Layer<S> for Layered<A, B, S> where
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
where
Self: Sized,
fn with_subscriber(self, inner: S) -> Layered<Self, S>ⓘNotable traits for Layered<A, B, S>impl<S, A, B> Layer<S> for Layered<A, B, S> where
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
where
Self: Sized,
A: Layer<S>,
B: Layer<S>,
S: Subscriber,
Composes this Layer
with the given Subscriber
, returning a
Layered
struct that implements Subscriber
. Read more
sourcefn with_filter<F>(self, filter: F) -> Filtered<Self, F, S>ⓘNotable traits for Filtered<L, F, S>impl<S, L, F> Layer<S> for Filtered<L, F, S> where
S: Subscriber + for<'span> LookupSpan<'span> + 'static,
F: Filter<S> + 'static,
L: Layer<S>,
where
Self: Sized,
F: Filter<S>,
fn with_filter<F>(self, filter: F) -> Filtered<Self, F, S>ⓘNotable traits for Filtered<L, F, S>impl<S, L, F> Layer<S> for Filtered<L, F, S> where
S: Subscriber + for<'span> LookupSpan<'span> + 'static,
F: Filter<S> + 'static,
L: Layer<S>,
where
Self: Sized,
F: Filter<S>,
S: Subscriber + for<'span> LookupSpan<'span> + 'static,
F: Filter<S> + 'static,
L: Layer<S>,
registry
only.sourcefn boxed(self) -> Box<dyn Layer<S> + Send + Sync + 'static>ⓘNotable traits for Box<dyn Filter<S> + Send + Sync + 'static>impl<S> Filter<S> for Box<dyn Filter<S> + Send + Sync + 'static>impl<L, S> Layer<S> for Box<L> where
L: Layer<S>,
S: Subscriber, impl<S> Layer<S> for Box<dyn Layer<S> + Send + Sync> where
S: Subscriber,
where
Self: Sized,
Self: Layer<S> + Send + Sync + 'static,
S: Subscriber,
fn boxed(self) -> Box<dyn Layer<S> + Send + Sync + 'static>ⓘNotable traits for Box<dyn Filter<S> + Send + Sync + 'static>impl<S> Filter<S> for Box<dyn Filter<S> + Send + Sync + 'static>impl<L, S> Layer<S> for Box<L> where
L: Layer<S>,
S: Subscriber, impl<S> Layer<S> for Box<dyn Layer<S> + Send + Sync> where
S: Subscriber,
where
Self: Sized,
Self: Layer<S> + Send + Sync + 'static,
S: Subscriber,
L: Layer<S>,
S: Subscriber, impl<S> Layer<S> for Box<dyn Layer<S> + Send + Sync> where
S: Subscriber,
alloc
or std
only.Auto Trait Implementations
impl<L, S> !RefUnwindSafe for Layer<L, S>
impl<L, S> Send for Layer<L, S> where
L: Send + Sync,
impl<L, S> Sync for Layer<L, S> where
L: Send + Sync,
impl<L, S> Unpin for Layer<L, S>
impl<L, S> !UnwindSafe for Layer<L, S>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more