129 lines
6.4 KiB
Rust
129 lines
6.4 KiB
Rust
fn reset_temporary_condition_observations_after_restart(state: &AppState) -> Result<usize, AppError> {
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let mut changed = 0usize;
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for mut zone in state.db.list_zones()? {
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let Some(session) = zone.temporary_quick_thermostat.as_mut() else { continue; };
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if session.condition_started_at.is_none() && session.condition_last_observed_at.is_none() { continue; }
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session.condition_started_at = None;
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session.condition_last_observed_at = None;
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zone.updated_at = Utc::now();
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state.db.save_zone(&zone)?;
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changed += 1;
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}
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Ok(changed)
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}
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pub fn start(state: AppState) {
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// A continuous temperature hold cannot span controller downtime. Preserve the session
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// itself, but require fresh observations after every process restart (H11).
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if let Err(err) = reset_temporary_condition_observations_after_restart(&state) {
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tracing::warn!(error=?err, "cannot reset temporary thermostat observation continuity after restart");
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}
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let poll_state = state.clone();
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tokio::spawn(async move {
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sleep(Duration::from_millis(500)).await;
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loop {
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match poll_all(&poll_state).await {
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Ok(()) => {
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if !poll_state.initial_device_sync_complete.swap(true, Ordering::AcqRel) {
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tracing::info!("initial device state synchronized; thermostat control enabled");
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}
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}
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Err(err) => tracing::error!(error=?err, "device poll cycle failed"),
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}
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let seconds = poll_state.settings.read().await.poll_interval_seconds.max(2);
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sleep(Duration::from_secs(seconds)).await;
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}
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});
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let control_state = state.clone();
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tokio::spawn(async move {
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sleep(Duration::from_secs(2)).await;
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loop {
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// A restart must never make decisions from the persisted, potentially stale
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// device snapshot. Wait for one full live poll before thermostat/schedule/automation
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// ownership can emit commands. Manual API/remote control remains available.
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if !control_state.initial_device_sync_complete.load(Ordering::Acquire) {
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sleep(Duration::from_millis(250)).await;
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continue;
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}
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if let Err(err) = control_zones(&control_state).await {
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tracing::error!(error=?err, "zone cycle failed");
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}
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if let Err(err) = run_automations(&control_state).await {
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tracing::error!(error=?err, "automation cycle failed");
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}
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let seconds = control_state.settings.read().await.zone_interval_seconds.max(2);
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let normal_delay = Duration::from_secs(seconds);
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let resume_delay = match next_zone_control_deadline_delay(&control_state) {
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Ok(value) => value,
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Err(err) => {
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tracing::warn!(error=?err, "cannot calculate thermostat control deadline");
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None
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}
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};
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let sleep_for = resume_delay.map(|delay| delay.min(normal_delay)).unwrap_or(normal_delay);
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tokio::select! {
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_ = sleep(sleep_for) => {},
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_ = control_state.zone_control_wakeup.notified() => {},
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}
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}
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});
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let maintenance_state = state;
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tokio::spawn(async move {
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sleep(Duration::from_secs(60)).await;
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loop {
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let settings = maintenance_state.settings.read().await.clone();
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// When InfluxDB is enabled, compact all locally retained legacy history before
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// transferring old buckets. Without Influx, compact only the configured retention window.
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let compaction_days = if settings.influxdb.enabled { 3650 } else { settings.history_retention_days.max(1) } as i64;
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if settings.history_compaction_enabled {
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match maintenance_state.db.compact_history(compaction_days) {
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Ok(count) if count > 0 => tracing::info!(count, "history samples compacted"),
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Ok(_) => {}
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Err(err) => tracing::warn!(error=?err, "cannot compact history"),
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}
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}
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if settings.influxdb.enabled {
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match archive_old_history(&maintenance_state, settings.influxdb.history_threshold_days.max(1)).await {
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Ok(count) if count > 0 => tracing::info!(count, "old local readings archived to InfluxDB and removed from SQLite"),
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Ok(_) => {}
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Err(err) => tracing::warn!(error=?err, "cannot archive old history to InfluxDB; SQLite copies were kept"),
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}
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} else {
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let retention_days = settings.history_retention_days.max(1) as i64;
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match maintenance_state.db.prune_readings(retention_days) {
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Ok(count) if count > 0 => tracing::info!(count, retention_days, "old local readings pruned"),
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Ok(_) => {}
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Err(err) => tracing::warn!(error=?err, "cannot prune readings"),
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}
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}
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let event_retention_days = settings.event_log_retention_days.max(1) as i64;
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match maintenance_state.db.prune_events(event_retention_days) {
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Ok(count) if count > 0 => tracing::info!(count, event_retention_days, "old event log rows pruned"),
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Ok(_) => {}
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Err(err) => tracing::warn!(error=?err, "cannot prune event log"),
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}
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sleep(Duration::from_secs(6 * 60 * 60)).await;
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}
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});
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}
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async fn archive_old_history(state: &AppState, threshold_days: u32) -> Result<u64> {
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let cutoff = Utc::now() - chrono::Duration::days(threshold_days.max(1) as i64);
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let settings = state.settings.read().await.influxdb.clone();
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let mut moved = 0_u64;
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// Bound one maintenance pass so a very large legacy database never monopolizes the runtime.
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// Successful batches are deleted from SQLite, so the next pass naturally continues forward.
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for _ in 0..50 {
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let (devices, zones, ha) = state.db.history_before(cutoff, 1_000)?;
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if devices.is_empty() && zones.is_empty() && ha.is_empty() { break; }
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influxdb::write_batch(&state.http, &settings, &devices, &zones, &ha).await?;
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let deleted = state.db.delete_history_batch(&devices, &zones, &ha)?;
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moved += deleted;
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if deleted == 0 { break; }
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}
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Ok(moved)
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}
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