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Monorepo for Tangled tangled.org
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use jacquard_common::DefaultStr;use jacquard_common::types::nsid::Nsid;use tracing::field::{Field, Visit};use tracing::{Event, Subscriber};use tracing_subscriber::Layer;use tracing_subscriber::layer::Context;use tracing_subscriber::registry::LookupSpan;
#[derive(Clone, Default)]pub struct TraceCapture { inner: Arc<Mutex<Vec<String>>>,}
impl TraceCapture { pub fn new() -> Self { Self::default() }
pub fn lines(&self) -> Vec<String> { self.inner.lock().unwrap().clone() }
pub fn into_lines(self) -> Vec<String> { std::mem::take(&mut *self.inner.lock().unwrap()) }
pub fn layer(&self) -> StageLayer { StageLayer { sink: self.inner.clone(), } }}
pub struct StageLayer { sink: Arc<Mutex<Vec<String>>>,}
impl<S> Layer<S> for StageLayerwhere S: Subscriber + for<'a> LookupSpan<'a>,{ fn on_event(&self, event: &Event<'_>, _ctx: Context<'_, S>) { let meta = event.metadata(); if meta.target() != "bobbin_ingest::stage" { return; } let mut visitor = StageVisitor::default(); event.record(&mut visitor); let line = format!( "cursor={} regime={} nsid={} edge_count={} parallelism={}", visitor.cursor.unwrap_or(u64::MAX), visitor.regime.as_deref().unwrap_or(""), visitor.nsid.as_ref().map(Nsid::as_ref).unwrap_or(""), visitor.edge_count.unwrap_or(0), visitor.parallelism.unwrap_or(0), ); self.sink.lock().unwrap().push(line); }}
#[derive(Default)]struct StageVisitor { cursor: Option<u64>, regime: Option<String>, nsid: Option<Nsid<DefaultStr>>, edge_count: Option<u64>, parallelism: Option<usize>,}
impl Visit for StageVisitor { fn record_u64(&mut self, field: &Field, value: u64) { match field.name() { "cursor" => self.cursor = Some(value), "edge_count" => self.edge_count = Some(value), "parallelism" => self.parallelism = Some(value as usize), _ => {} } }
fn record_i64(&mut self, field: &Field, value: i64) { if field.name() == "cursor" { self.cursor = Some(value as u64); } }
fn record_str(&mut self, field: &Field, value: &str) { match field.name() { "regime" => self.regime = Some(value.to_owned()), "nsid" => self.nsid = Nsid::new_owned(value).ok(), _ => {} } }
fn record_debug(&mut self, _field: &Field, _value: &dyn std::fmt::Debug) {}}