102 lines
2.9 KiB
Rust
102 lines
2.9 KiB
Rust
//! Example tracing setup for RUIN runtime + reactivity.
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//!
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//! Try:
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//!
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//! - `cargo run -p ruin_reactivity --example tracing_subscriber_showcase`
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//! - `RUST_LOG=info,ruin_runtime::runtime=debug,ruin_reactivity::graph=debug cargo run -p ruin_reactivity --example tracing_subscriber_showcase`
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//! - `RUST_LOG=info,ruin_runtime::scheduler=trace,ruin_reactivity::event=trace,ruin_reactivity::effect=debug cargo run -p ruin_reactivity --example tracing_subscriber_showcase`
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use ruin_reactivity::{cell, effect, event, on, thunk};
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use ruin_runtime::time::sleep;
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use std::time::Duration;
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use tracing_subscriber::layer::SubscriberExt;
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use tracing_subscriber::util::SubscriberInitExt;
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use tracing_subscriber::{EnvFilter, fmt};
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fn install_tracing() {
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let filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| {
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EnvFilter::new(
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"info,\
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ruin_runtime::runtime=debug,\
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ruin_runtime::scheduler=debug,\
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ruin_reactivity::graph=debug,\
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ruin_reactivity::effect=debug,\
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ruin_reactivity::event=debug",
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)
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});
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let fmt_layer = fmt::layer()
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.with_target(true)
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.with_thread_ids(true)
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.with_thread_names(true)
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.compact();
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let _ = tracing_subscriber::registry()
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.with(filter)
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.with(fmt_layer)
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.try_init();
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}
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#[ruin_runtime::async_main]
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async fn main() {
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install_tracing();
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tracing::info!(
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event = "showcase_start",
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note = "override RUST_LOG to see more or less detail",
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"starting tracing subscriber showcase"
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);
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let count = cell(0usize);
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let doubled = thunk({
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let count = count.clone();
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move || count.get() * 2
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});
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let clicks = event::<usize>();
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let _drain = on(&clicks, {
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let count = count.clone();
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move |delta| {
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tracing::info!(
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event = "apply_click_delta",
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delta = *delta,
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"draining queued event into cell update"
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);
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count.update(|value| *value += *delta);
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}
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});
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let _view = effect({
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let count = count.clone();
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let doubled = doubled.clone();
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move || {
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tracing::info!(
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target: "demo::view",
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count = count.get(),
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doubled = doubled.get(),
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"derived view state updated"
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);
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}
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});
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tracing::info!(
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event = "emit_clicks",
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count = 3,
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"emitting queued click deltas"
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);
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clicks.emit(1);
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clicks.emit(2);
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clicks.emit(0);
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tracing::info!(event = "manual_set", value = 10, "setting count directly");
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let _ = count.set(10);
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tracing::info!(
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event = "showcase_done",
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hint = "see ruin_runtime::* and ruin_reactivity::* targets in the filter",
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"example body completed; awaiting once so scheduled microtasks can flush"
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);
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sleep(Duration::from_millis(1)).await;
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}
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