Files
daqbuffer/crates/streams/src/timebin/fromlayers.rs
Dominik Werder e701c1b379 WIP
2024-09-06 22:21:15 +02:00

107 lines
3.5 KiB
Rust

use super::cached::reader::CacheReadProvider;
use crate::timebin::grid::find_next_finer_bin_len;
use err::thiserror;
use err::ThisError;
use futures_util::Stream;
use futures_util::StreamExt;
use futures_util::TryStreamExt;
use items_0::on_sitemty_data;
use items_0::streamitem::RangeCompletableItem;
use items_0::streamitem::Sitemty;
use items_0::streamitem::StreamItem;
use items_0::timebin::TimeBinnableTy;
use items_2::binsdim0::BinsDim0;
use netpod::log::*;
use netpod::BinnedRange;
use netpod::BinnedRangeEnum;
use netpod::DtMs;
use netpod::TsNano;
use std::pin::Pin;
use std::task::Context;
use std::task::Poll;
#[derive(Debug, ThisError)]
#[cstm(name = "TimeBinnedFromLayers")]
pub enum Error {
Logic,
GapFill(#[from] super::gapfill::Error),
}
type BoxedInput = Pin<Box<dyn Stream<Item = Sitemty<BinsDim0<f32>>> + Send>>;
pub struct TimeBinnedFromLayers {
inp: BoxedInput,
}
impl TimeBinnedFromLayers {
pub fn type_name() -> &'static str {
core::any::type_name::<Self>()
}
pub fn new(
series: u64,
range: BinnedRange<TsNano>,
do_time_weight: bool,
bin_len_layers: Vec<DtMs>,
cache_read_provider: Box<dyn CacheReadProvider>,
) -> Result<Self, Error> {
info!(
"{}::new {:?} {:?} {:?}",
Self::type_name(),
series,
range,
bin_len_layers
);
// cases:
// if this bin_len is a cachable bin_len:
// - have to attempt to read from cache.
// expect to read bins in a stream (randomize to small max len for testing).
// also, if this bin_len is a cachable bin_len:
// must produce bins missing in cache from separate stream.
let bin_len = DtMs::from_ms_u64(range.bin_len.ms());
if bin_len_layers.contains(&bin_len) {
info!("{}::new bin_len in layers", Self::type_name());
let inp = super::gapfill::GapFill::new(series, range, do_time_weight, bin_len_layers, cache_read_provider)?;
let ret = Self { inp: Box::pin(inp) };
Ok(ret)
} else {
match find_next_finer_bin_len(bin_len, &bin_len_layers) {
Some(finer) => {
// TODO
// produce from binned sub-stream with additional binner.
let range = BinnedRange::from_nano_range(range.to_nano_range(), finer);
info!("{}::new next finer {:?} {:?}", Self::type_name(), finer, range);
let inp = super::gapfill::GapFill::new(
series,
range.clone(),
do_time_weight,
bin_len_layers,
cache_read_provider,
)?;
let inp = super::basic::TimeBinnedStream::new(
Box::pin(inp),
BinnedRangeEnum::Time(range),
do_time_weight,
);
let ret = Self { inp: Box::pin(inp) };
Ok(ret)
}
None => {
info!("{}::new NO next finer", Self::type_name());
// TODO
// produce from events
todo!()
}
}
}
}
}
impl Stream for TimeBinnedFromLayers {
type Item = Sitemty<BinsDim0<f32>>;
fn poll_next(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
todo!()
}
}