Background task manager #332
2 changed files with 13 additions and 12 deletions
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@ -109,7 +109,7 @@ pub struct BlockManager {
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// it INSIDE a Mutex.
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struct BlockManagerLocked();
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enum BlockIterResult {
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enum ResyncIterResult {
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BusyDidSomething,
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BusyDidNothing,
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IdleFor(Duration),
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@ -478,7 +478,7 @@ impl BlockManager {
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fn spawn_background_worker(self: Arc<Self>) {
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// Launch a background workers for background resync loop processing
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let background = self.system.background.clone();
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let worker = BlockResyncWorker {
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let worker = ResyncWorker {
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manager: self,
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tranquilizer: Tranquilizer::new(30),
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next_delay: Duration::from_secs(10),
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@ -503,7 +503,7 @@ impl BlockManager {
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Ok(())
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}
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async fn resync_iter(&self) -> Result<BlockIterResult, db::Error> {
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async fn resync_iter(&self) -> Result<ResyncIterResult, db::Error> {
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if let Some((time_bytes, hash_bytes)) = self.resync_queue.first()? {
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let time_msec = u64::from_be_bytes(time_bytes[0..8].try_into().unwrap());
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let now = now_msec();
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@ -523,7 +523,7 @@ impl BlockManager {
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// (we want to do the remove after the insert to ensure
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// that the item is not lost if we crash in-between)
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self.resync_queue.remove(time_bytes)?;
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return Ok(BlockIterResult::BusyDidNothing);
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return Ok(ResyncIterResult::BusyDidNothing);
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}
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}
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@ -570,9 +570,9 @@ impl BlockManager {
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self.resync_queue.remove(time_bytes)?;
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}
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Ok(BlockIterResult::BusyDidSomething)
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Ok(ResyncIterResult::BusyDidSomething)
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} else {
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Ok(BlockIterResult::IdleFor(Duration::from_millis(
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Ok(ResyncIterResult::IdleFor(Duration::from_millis(
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time_msec - now,
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)))
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}
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@ -583,7 +583,7 @@ impl BlockManager {
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// between the time we checked the queue and the first poll
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// to resync_notify.notified(): if that happens, we'll just loop
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// back 10 seconds later, which is fine.
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Ok(BlockIterResult::IdleFor(Duration::from_secs(10)))
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Ok(ResyncIterResult::IdleFor(Duration::from_secs(10)))
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}
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}
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@ -716,14 +716,14 @@ impl EndpointHandler<BlockRpc> for BlockManager {
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}
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}
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struct BlockResyncWorker {
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struct ResyncWorker {
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manager: Arc<BlockManager>,
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tranquilizer: Tranquilizer,
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next_delay: Duration,
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}
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#[async_trait]
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impl Worker for BlockResyncWorker {
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impl Worker for ResyncWorker {
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fn name(&self) -> String {
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"Block resync worker".into()
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}
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@ -734,14 +734,14 @@ impl Worker for BlockResyncWorker {
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) -> Result<WorkerStatus, Error> {
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self.tranquilizer.reset();
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match self.manager.resync_iter().await {
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Ok(BlockIterResult::BusyDidSomething) => {
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Ok(ResyncIterResult::BusyDidSomething) => {
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self.tranquilizer
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.tranquilize(self.manager.background_tranquility)
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.await;
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Ok(WorkerStatus::Busy)
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}
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Ok(BlockIterResult::BusyDidNothing) => Ok(WorkerStatus::Busy),
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Ok(BlockIterResult::IdleFor(delay)) => {
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Ok(ResyncIterResult::BusyDidNothing) => Ok(WorkerStatus::Busy),
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Ok(ResyncIterResult::IdleFor(delay)) => {
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self.next_delay = delay;
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Ok(WorkerStatus::Idle)
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}
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@ -86,6 +86,7 @@ impl WorkerProcessor {
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}
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worker = await_next_worker => {
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if let Some(mut worker) = worker {
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trace!("{} (TID {}): {:?}", worker.worker.name(), worker.task_id, worker.status);
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// TODO save new worker status somewhere
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if worker.status == WorkerStatus::Done {
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info!("Worker {} (TID {}) exited", worker.worker.name(), worker.task_id);
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