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This commit is contained in:
Dominik Werder
2023-04-18 11:51:48 +02:00
parent 6c9f084623
commit b3f53c60d8
8 changed files with 306 additions and 20 deletions
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144
streams/src/collect.rs
View File

@@ -1,5 +1,6 @@
use err::Error;
use futures_util::Future;
use futures_util::FutureExt;
use futures_util::Stream;
use futures_util::StreamExt;
use items_0::collect_s::Collectable;
@@ -46,28 +47,161 @@ macro_rules! trace4 {
pub struct Collect {
inp: CollectableStreamBox,
deadline: Instant,
events_max: u64,
range: Option<SeriesRange>,
binrange: Option<BinnedRangeEnum>,
collector: Option<Box<dyn Collector>>,
range_complete: bool,
timeout: bool,
timer: Pin<Box<dyn Future<Output = ()> + Send>>,
done_input: bool,
}
impl Collect {
pub fn new<INP>(inp: INP, deadline: Instant) -> Self
pub fn new<INP>(
inp: INP,
deadline: Instant,
events_max: u64,
range: Option<SeriesRange>,
binrange: Option<BinnedRangeEnum>,
) -> Self
where
INP: CollectableStreamTrait + 'static,
{
let timer = tokio::time::sleep_until(deadline.into());
Self {
inp: CollectableStreamBox(Box::pin(inp)),
deadline,
events_max,
range,
binrange,
collector: None,
range_complete: false,
timeout: false,
timer: Box::pin(timer),
done_input: false,
}
}
fn handle_item(&mut self, item: Sitemty<Box<dyn Collectable>>) -> Result<(), Error> {
match item {
Ok(item) => match item {
StreamItem::DataItem(item) => match item {
RangeCompletableItem::RangeComplete => {
self.range_complete = true;
if let Some(coll) = self.collector.as_mut() {
coll.set_range_complete();
} else {
warn!("collect received RangeComplete but no collector yet");
}
Ok(())
}
RangeCompletableItem::Data(mut item) => {
info!("collect sees len {}", item.len());
let coll = self.collector.get_or_insert_with(|| item.new_collector());
coll.ingest(&mut item);
if coll.len() as u64 >= self.events_max {
warn!(
"TODO compute continue-at reached events_max {} abort",
self.events_max
);
}
Ok(())
}
},
StreamItem::Log(item) => {
trace!("collect log {:?}", item);
Ok(())
}
StreamItem::Stats(item) => {
trace!("collect stats {:?}", item);
match item {
// TODO factor and simplify the stats collection:
StatsItem::EventDataReadStats(_) => {}
StatsItem::RangeFilterStats(_) => {}
StatsItem::DiskStats(item) => match item {
DiskStats::OpenStats(k) => {
//total_duration += k.duration;
}
DiskStats::SeekStats(k) => {
//total_duration += k.duration;
}
DiskStats::ReadStats(k) => {
//total_duration += k.duration;
}
DiskStats::ReadExactStats(k) => {
//total_duration += k.duration;
}
},
}
Ok(())
}
},
Err(e) => {
// TODO Need to use some flags to get good enough error message for remote user.
Err(e)
}
}
}
}
impl Future for Collect {
type Output = Sitemty<Box<dyn Collected>>;
type Output = Result<Box<dyn Collected>, Error>;
fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
use Poll::*;
let span = tracing::span!(Level::INFO, "Collect");
let _spg = span.enter();
todo!()
loop {
break if self.done_input {
if self.timeout {
if let Some(coll) = self.collector.as_mut() {
coll.set_timed_out();
} else {
warn!("collect timeout but no collector yet");
}
}
// TODO use range_final and timeout in result.
match self.collector.take() {
Some(mut coll) => match coll.result(self.range.clone(), self.binrange.clone()) {
Ok(res) => {
//info!("collect stats total duration: {:?}", total_duration);
Ready(Ok(res))
}
Err(e) => Ready(Err(e)),
},
None => {
let e = Error::with_msg_no_trace(format!("no result because no collector was created"));
error!("{e}");
Ready(Err(e))
}
}
} else {
match self.timer.poll_unpin(cx) {
Ready(()) => {
self.timeout = true;
self.done_input = true;
continue;
}
Pending => match self.inp.0.poll_next_unpin(cx) {
Ready(Some(item)) => match self.handle_item(item) {
Ok(()) => {
continue;
}
Err(e) => {
error!("{e}");
Ready(Err(e))
}
},
Ready(None) => {
self.done_input = true;
continue;
}
Pending => Pending,
},
}
};
}
}
}
@@ -80,7 +214,7 @@ async fn collect_in_span<T, S>(
) -> Result<Box<dyn Collected>, Error>
where
S: Stream<Item = Sitemty<T>> + Unpin,
T: Collectable + WithLen + fmt::Debug,
T: Collectable,
{
info!("collect events_max {events_max} deadline {deadline:?}");
let mut collector: Option<Box<dyn Collector>> = None;

3
streams/src/plaineventsjson.rs
View File

@@ -105,10 +105,9 @@ pub async fn plain_events_json(evq: &PlainEventsQuery, chconf: &ChConf, cluster:
let stream = PlainEventStream::new(stream);
let stream = EventsToTimeBinnable::new(stream);
let stream = TimeBinnableToCollectable::new(stream);
let collected = Collect::new(stream, deadline, events_max, Some(evq.range().clone()), None).await;
// TODO allow Collect to respect events_max and give range to compute continue-at.
//let collected = crate::collect::collect(stream, deadline, events_max, Some(evq.range().clone()), None).await?;
let collected = Collect::new(stream, deadline).await;
let jsval = serde_json::to_value(&collected)?;
Ok(jsval)
}

43
streams/src/test/collect.rs
View File

@@ -1,20 +1,30 @@
use crate::collect::Collect;
use crate::test::runfut;
use crate::transform::EventsToTimeBinnable;
use crate::transform::TimeBinnableToCollectable;
use err::Error;
use futures_util::stream;
use items_0::streamitem::sitem_data;
use items_0::streamitem::RangeCompletableItem;
use items_0::streamitem::StreamItem;
use items_0::WithLen;
use items_2::eventsdim0::EventsDim0CollectorOutput;
use items_2::streams::PlainEventStream;
use items_2::testgen::make_some_boxed_d0_f32;
use netpod::timeunits::SEC;
use std::time::Duration;
use std::time::Instant;
#[test]
fn collect_channel_events() -> Result<(), Error> {
fn collect_channel_events_00() -> Result<(), Error> {
let fut = async {
let evs0 = make_some_boxed_d0_f32(20, SEC * 10, SEC * 1, 0, 28736487);
let evs1 = make_some_boxed_d0_f32(20, SEC * 30, SEC * 1, 0, 882716583);
let stream = stream::iter(vec![sitem_data(evs0), sitem_data(evs1)]);
let stream = stream::iter(vec![
sitem_data(evs0),
sitem_data(evs1),
Ok(StreamItem::DataItem(RangeCompletableItem::RangeComplete)),
]);
let deadline = Instant::now() + Duration::from_millis(4000);
let events_max = 10000;
let res = crate::collect::collect(stream, deadline, events_max, None, None).await?;
@@ -30,3 +40,32 @@ fn collect_channel_events() -> Result<(), Error> {
};
runfut(fut)
}
#[test]
fn collect_channel_events_01() -> Result<(), Error> {
let fut = async {
let evs0 = make_some_boxed_d0_f32(20, SEC * 10, SEC * 1, 0, 28736487);
let evs1 = make_some_boxed_d0_f32(20, SEC * 30, SEC * 1, 0, 882716583);
let stream = stream::iter(vec![
sitem_data(evs0),
sitem_data(evs1),
Ok(StreamItem::DataItem(RangeCompletableItem::RangeComplete)),
]);
// TODO build like in request code
let deadline = Instant::now() + Duration::from_millis(4000);
let events_max = 10000;
let stream = PlainEventStream::new(stream);
let stream = EventsToTimeBinnable::new(stream);
let stream = TimeBinnableToCollectable::new(stream);
let res = Collect::new(stream, deadline, events_max, None, None).await?;
if let Some(res) = res.as_any_ref().downcast_ref::<EventsDim0CollectorOutput<f32>>() {
eprintln!("Great, a match");
eprintln!("{res:?}");
assert_eq!(res.len(), 40);
} else {
return Err(Error::with_msg(format!("bad type of collected result")));
}
Ok(())
};
runfut(fut)
}