46 lines
1.5 KiB
Rust
46 lines
1.5 KiB
Rust
use std::sync::Arc;
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use syndicate::actor::*;
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use syndicate::convert::*;
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use syndicate::during::entity;
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use syndicate::schemas::dataspace::Observe;
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use crate::schemas::internal_services;
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pub fn on_demand(t: &mut Activation, ds: Arc<Cap>) {
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t.spawn(syndicate::name!("on_demand", module = module_path!()), move |t| {
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let monitor = entity(())
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.on_asserted_facet({
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let ds = Arc::clone(&ds);
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move |_, t, _| {
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let ds = Arc::clone(&ds);
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t.spawn_link(tracing::Span::current(), |t| run(t, ds));
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Ok(())
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}
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})
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.create_cap(t);
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let spec = from_io_value(&internal_services::DebtReporter)?;
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ds.assert(t, &Observe {
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pattern: syndicate_macros::pattern!{<require-service #(spec)>},
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observer: monitor,
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});
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Ok(())
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});
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}
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fn run(t: &mut Activation, ds: Arc<Cap>) -> ActorResult {
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let spec = from_io_value(&internal_services::DebtReporter)?;
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ds.assert(t, syndicate_macros::template!("<service-running =spec>"));
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t.linked_task(syndicate::name!("tick"), async {
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let mut timer = tokio::time::interval(core::time::Duration::from_secs(1));
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loop {
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timer.tick().await;
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for (id, (name, debt)) in syndicate::actor::ACCOUNTS.read().unwrap().iter() {
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let _enter = name.enter();
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tracing::info!(id, debt = ?debt.load(std::sync::atomic::Ordering::Relaxed));
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}
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}
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});
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Ok(())
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}
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