Files
daqbuffer/streams/src/generators.rs
Dominik Werder 8fc73fd6ed Fix tests
2023-05-04 12:00:02 +02:00

318 lines
9.6 KiB
Rust

use futures_util::Future;
use futures_util::FutureExt;
use futures_util::Stream;
use items_0::container::ByteEstimate;
use items_0::streamitem::sitem_data;
use items_0::streamitem::RangeCompletableItem;
use items_0::streamitem::Sitemty;
use items_0::streamitem::StreamItem;
use items_0::Appendable;
use items_0::Empty;
use items_0::WithLen;
use items_2::channelevents::ChannelEvents;
use items_2::eventsdim0::EventsDim0;
use items_2::eventsdim1::EventsDim1;
use netpod::log::*;
use netpod::range::evrange::SeriesRange;
use netpod::timeunits::DAY;
use netpod::timeunits::MS;
use std::f64::consts::PI;
use std::pin::Pin;
use std::task::Context;
use std::task::Poll;
use std::time::Duration;
pub struct GenerateI32V00 {
ts: u64,
dts: u64,
tsend: u64,
#[allow(unused)]
c1: u64,
timeout: Option<Pin<Box<dyn Future<Output = ()> + Send>>>,
do_throttle: bool,
done: bool,
done_range_final: bool,
}
impl GenerateI32V00 {
pub fn new(node_ix: u64, node_count: u64, range: SeriesRange, one_before_range: bool) -> Self {
let range = match range {
SeriesRange::TimeRange(k) => k,
SeriesRange::PulseRange(_) => todo!(),
};
let ivl = MS * 1000;
let dts = ivl * node_count as u64;
let ts = (range.beg / ivl + node_ix - if one_before_range { 1 } else { 0 }) * ivl;
let tsend = range.end;
Self {
ts,
dts,
tsend,
c1: 0,
timeout: None,
do_throttle: false,
done: false,
done_range_final: false,
}
}
fn make_batch(&mut self) -> Sitemty<ChannelEvents> {
type T = i32;
let mut item = EventsDim0::empty();
let mut ts = self.ts;
loop {
if self.ts >= self.tsend || item.byte_estimate() > 100 {
break;
}
let pulse = ts;
let value = (ts / (MS * 100) % 1000) as T;
item.push(ts, pulse, value);
ts += self.dts;
}
self.ts = ts;
let w = ChannelEvents::Events(Box::new(item) as _);
let w = sitem_data(w);
w
}
}
impl Stream for GenerateI32V00 {
type Item = Sitemty<ChannelEvents>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
use Poll::*;
loop {
break if self.done {
Ready(None)
} else if self.ts >= self.tsend {
self.done = true;
self.done_range_final = true;
Ready(Some(Ok(StreamItem::DataItem(RangeCompletableItem::RangeComplete))))
} else if !self.do_throttle {
// To use the generator without throttling, use this scope
Ready(Some(self.make_batch()))
} else if let Some(fut) = self.timeout.as_mut() {
match fut.poll_unpin(cx) {
Ready(()) => {
self.timeout = None;
Ready(Some(self.make_batch()))
}
Pending => Pending,
}
} else {
self.timeout = Some(Box::pin(tokio::time::sleep(Duration::from_millis(2))));
continue;
};
}
}
}
pub struct GenerateI32V01 {
ivl: u64,
ts: u64,
dts: u64,
tsend: u64,
#[allow(unused)]
c1: u64,
node_ix: u64,
timeout: Option<Pin<Box<dyn Future<Output = ()> + Send>>>,
do_throttle: bool,
have_range_final: bool,
done: bool,
done_range_final: bool,
}
impl GenerateI32V01 {
pub fn new(node_ix: u64, node_count: u64, range: SeriesRange, one_before_range: bool) -> Self {
let range = match range {
SeriesRange::TimeRange(k) => k,
SeriesRange::PulseRange(_) => todo!(),
};
let ivl = MS * 500;
let dts = ivl * node_count as u64;
let ts = (range.beg / ivl + node_ix - if one_before_range { 1 } else { 0 }) * ivl;
let tsend = range.end.min(DAY);
let have_range_final = range.end < (DAY - ivl);
debug!(
"GenerateI32V01::new ivl {} dts {} ts {} one_before_range {}",
ivl, dts, ts, one_before_range
);
Self {
ivl,
ts,
dts,
tsend,
c1: 0,
node_ix,
timeout: None,
do_throttle: false,
have_range_final,
done: false,
done_range_final: false,
}
}
fn make_batch(&mut self) -> Sitemty<ChannelEvents> {
type T = i32;
let mut item = EventsDim0::empty();
let mut ts = self.ts;
loop {
if self.ts >= self.tsend || item.byte_estimate() > 100 {
break;
}
let pulse = ts;
let value = (ts / self.ivl) as T;
if false {
info!(
"v01 node {} made event ts {} pulse {} value {}",
self.node_ix, ts, pulse, value
);
}
item.push(ts, pulse, value);
ts += self.dts;
}
self.ts = ts;
let w = ChannelEvents::Events(Box::new(item) as _);
let w = sitem_data(w);
w
}
}
impl Stream for GenerateI32V01 {
type Item = Sitemty<ChannelEvents>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
use Poll::*;
loop {
break if self.done {
Ready(None)
} else if self.ts >= self.tsend {
self.done = true;
self.done_range_final = true;
if self.have_range_final {
Ready(Some(Ok(StreamItem::DataItem(RangeCompletableItem::RangeComplete))))
} else {
continue;
}
} else if !self.do_throttle {
// To use the generator without throttling, use this scope
Ready(Some(self.make_batch()))
} else if let Some(fut) = self.timeout.as_mut() {
match fut.poll_unpin(cx) {
Ready(()) => {
self.timeout = None;
Ready(Some(self.make_batch()))
}
Pending => Pending,
}
} else {
self.timeout = Some(Box::pin(tokio::time::sleep(Duration::from_millis(2))));
continue;
};
}
}
}
pub struct GenerateF64V00 {
ivl: u64,
ts: u64,
dts: u64,
tsend: u64,
node_ix: u64,
timeout: Option<Pin<Box<dyn Future<Output = ()> + Send>>>,
do_throttle: bool,
done: bool,
done_range_final: bool,
}
impl GenerateF64V00 {
pub fn new(node_ix: u64, node_count: u64, range: SeriesRange, one_before_range: bool) -> Self {
let range = match range {
SeriesRange::TimeRange(k) => k,
SeriesRange::PulseRange(_) => todo!(),
};
let ivl = MS * 100;
let dts = ivl * node_count as u64;
let ts = (range.beg / ivl + node_ix - if one_before_range { 1 } else { 0 }) * ivl;
let tsend = range.end;
debug!(
"GenerateF64V00::new ivl {} dts {} ts {} one_before_range {}",
ivl, dts, ts, one_before_range
);
Self {
ivl,
ts,
dts,
tsend,
node_ix,
timeout: None,
do_throttle: false,
done: false,
done_range_final: false,
}
}
fn make_batch(&mut self) -> Sitemty<ChannelEvents> {
type T = f64;
let mut item = EventsDim1::empty();
let mut ts = self.ts;
loop {
if self.ts >= self.tsend || item.byte_estimate() > 400 {
break;
}
let pulse = ts;
let ampl = ((ts / self.ivl) as T).sin() + 2.;
let mut value = Vec::new();
let pi = PI;
for i in 0..21 {
let x = ((-pi + (2. * pi / 20.) * i as f64).cos() + 1.1) * ampl;
value.push(x);
}
if false {
info!(
"v01 node {} made event ts {} pulse {} value {:?}",
self.node_ix, ts, pulse, value
);
}
item.push(ts, pulse, value);
ts += self.dts;
}
self.ts = ts;
trace!("generated len {}", item.len());
let w = ChannelEvents::Events(Box::new(item) as _);
let w = sitem_data(w);
w
}
}
impl Stream for GenerateF64V00 {
type Item = Sitemty<ChannelEvents>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
use Poll::*;
loop {
break if self.done {
Ready(None)
} else if self.ts >= self.tsend {
self.done = true;
self.done_range_final = true;
Ready(Some(Ok(StreamItem::DataItem(RangeCompletableItem::RangeComplete))))
} else if !self.do_throttle {
// To use the generator without throttling, use this scope
Ready(Some(self.make_batch()))
} else if let Some(fut) = self.timeout.as_mut() {
match fut.poll_unpin(cx) {
Ready(()) => {
self.timeout = None;
Ready(Some(self.make_batch()))
}
Pending => Pending,
}
} else {
self.timeout = Some(Box::pin(tokio::time::sleep(Duration::from_millis(2))));
continue;
};
}
}
}