Refactor more

This commit is contained in:
Dominik Werder
2021-04-26 16:39:23 +02:00
parent 9e60831d88
commit bf376af81e
16 changed files with 827 additions and 755 deletions

69
disk/src/raw/bffr.rs Normal file
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use crate::agg::MinMaxAvgScalarEventBatch;
use crate::frame::inmem::InMemoryFrameAsyncReadStream;
use crate::frame::makeframe::FrameType;
use crate::raw::conn::RawConnOut;
use err::Error;
use futures_core::Stream;
use futures_util::pin_mut;
#[allow(unused_imports)]
use netpod::log::*;
use std::pin::Pin;
use std::task::{Context, Poll};
use tokio::io::AsyncRead;
pub struct MinMaxAvgScalarEventBatchStreamFromFrames<T>
where
T: AsyncRead + Unpin,
{
inp: InMemoryFrameAsyncReadStream<T>,
}
impl<T> MinMaxAvgScalarEventBatchStreamFromFrames<T>
where
T: AsyncRead + Unpin,
{
pub fn new(inp: InMemoryFrameAsyncReadStream<T>) -> Self {
Self { inp }
}
}
impl<T> Stream for MinMaxAvgScalarEventBatchStreamFromFrames<T>
where
T: AsyncRead + Unpin,
{
type Item = Result<MinMaxAvgScalarEventBatch, Error>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
use Poll::*;
loop {
let j = &mut self.inp;
pin_mut!(j);
break match j.poll_next(cx) {
Ready(Some(Ok(frame))) => {
type ExpectedType = RawConnOut;
trace!(
"MinMaxAvgScalarEventBatchStreamFromFrames got full frame buf {}",
frame.buf().len()
);
assert!(frame.tyid() == <ExpectedType as FrameType>::FRAME_TYPE_ID);
match bincode::deserialize::<ExpectedType>(frame.buf()) {
Ok(item) => match item {
Ok(item) => Ready(Some(Ok(item))),
Err(e) => Ready(Some(Err(e))),
},
Err(e) => {
error!(
"MinMaxAvgScalarEventBatchStreamFromFrames ~~~~~~~~ ERROR on frame payload {}",
frame.buf().len(),
);
Ready(Some(Err(e.into())))
}
}
}
Ready(Some(Err(e))) => Ready(Some(Err(e))),
Ready(None) => Ready(None),
Pending => Pending,
};
}
}
}

202
disk/src/raw/conn.rs Normal file
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use crate::agg::{IntoBinnedXBins1, IntoDim1F32Stream, MinMaxAvgScalarEventBatch};
use crate::eventblobs::EventBlobsComplete;
use crate::frame::inmem::InMemoryFrameAsyncReadStream;
use crate::frame::makeframe::{make_frame, make_term_frame};
use crate::raw::{EventQueryJsonStringFrame, EventsQuery};
use err::Error;
use futures_util::StreamExt;
#[allow(unused_imports)]
use netpod::log::*;
use netpod::timeunits::DAY;
use netpod::{NodeConfig, ScalarType, Shape};
use std::net::SocketAddr;
use std::sync::Arc;
use tokio::io::AsyncWriteExt;
use tokio::net::tcp::OwnedWriteHalf;
use tokio::net::TcpStream;
use tracing::Instrument;
pub async fn raw_service(node_config: Arc<NodeConfig>) -> Result<(), Error> {
let addr = format!("{}:{}", node_config.node.listen, node_config.node.port_raw);
let lis = tokio::net::TcpListener::bind(addr).await?;
loop {
match lis.accept().await {
Ok((stream, addr)) => {
taskrun::spawn(raw_conn_handler(stream, addr, node_config.clone()));
}
Err(e) => Err(e)?,
}
}
}
async fn raw_conn_handler(stream: TcpStream, addr: SocketAddr, node_config: Arc<NodeConfig>) -> Result<(), Error> {
//use tracing_futures::Instrument;
let span1 = span!(Level::INFO, "raw::raw_conn_handler");
let r = raw_conn_handler_inner(stream, addr, node_config)
.instrument(span1)
.await;
match r {
Ok(k) => Ok(k),
Err(e) => {
error!("raw_conn_handler sees error: {:?}", e);
Err(e)
}
}
}
pub type RawConnOut = Result<MinMaxAvgScalarEventBatch, Error>;
async fn raw_conn_handler_inner(
stream: TcpStream,
addr: SocketAddr,
node_config: Arc<NodeConfig>,
) -> Result<(), Error> {
match raw_conn_handler_inner_try(stream, addr, node_config).await {
Ok(_) => (),
Err(mut ce) => {
/*error!(
"raw_conn_handler_inner CAUGHT ERROR AND TRY TO SEND OVER TCP {:?}",
ce.err
);*/
let buf = make_frame::<RawConnOut>(&Err(ce.err))?;
match ce.netout.write(&buf).await {
Ok(_) => (),
Err(e) => return Err(e)?,
}
}
}
Ok(())
}
struct ConnErr {
err: Error,
netout: OwnedWriteHalf,
}
impl<E: Into<Error>> From<(E, OwnedWriteHalf)> for ConnErr {
fn from((err, netout): (E, OwnedWriteHalf)) -> Self {
Self {
err: err.into(),
netout,
}
}
}
async fn raw_conn_handler_inner_try(
stream: TcpStream,
addr: SocketAddr,
node_config: Arc<NodeConfig>,
) -> Result<(), ConnErr> {
info!("raw_conn_handler SPAWNED for {:?}", addr);
let (netin, mut netout) = stream.into_split();
let mut h = InMemoryFrameAsyncReadStream::new(netin);
let mut frames = vec![];
while let Some(k) = h
.next()
.instrument(span!(Level::INFO, "raw_conn_handler INPUT STREAM READ"))
.await
{
match k {
Ok(k) => {
info!(". . . . . . . . . . . . . . . . . . . . . . . . . . raw_conn_handler FRAME RECV");
frames.push(k);
}
Err(e) => {
return Err((e, netout))?;
}
}
}
if frames.len() != 1 {
error!("expect a command frame");
return Err((Error::with_msg("expect a command frame"), netout))?;
}
let qitem = match bincode::deserialize::<EventQueryJsonStringFrame>(frames[0].buf()) {
Ok(k) => k,
Err(e) => return Err((e, netout))?,
};
trace!("json: {}", qitem.0);
let res: Result<EventsQuery, _> = serde_json::from_str(&qitem.0);
let evq = match res {
Ok(k) => k,
Err(e) => {
error!("can not parse json {:?}", e);
return Err((Error::with_msg("can not parse request json"), netout))?;
}
};
error!(
"TODO decide on response content based on the parsed json query\n{:?}",
evq
);
let query = netpod::AggQuerySingleChannel {
channel_config: netpod::ChannelConfig {
channel: netpod::Channel {
backend: "test1".into(),
name: "wave1".into(),
},
keyspace: 3,
time_bin_size: DAY,
shape: Shape::Wave(17),
scalar_type: ScalarType::F64,
big_endian: true,
array: true,
compression: true,
},
// TODO use a NanoRange and search for matching files
timebin: 0,
tb_file_count: 1,
// TODO use the requested buffer size
buffer_size: 1024 * 4,
};
let mut s1 = EventBlobsComplete::new(&query, query.channel_config.clone(), node_config.node.clone())
.into_dim_1_f32_stream()
.take(10)
.into_binned_x_bins_1();
while let Some(item) = s1.next().await {
if let Ok(k) = &item {
trace!("???????????????? emit item ts0: {:?}", k.tss.first());
}
match make_frame::<RawConnOut>(&item) {
Ok(buf) => match netout.write(&buf).await {
Ok(_) => {}
Err(e) => return Err((e, netout))?,
},
Err(e) => {
return Err((e, netout))?;
}
}
}
if false {
// Manual test batch.
let mut batch = MinMaxAvgScalarEventBatch::empty();
batch.tss.push(42);
batch.tss.push(43);
batch.mins.push(7.1);
batch.mins.push(7.2);
batch.maxs.push(8.3);
batch.maxs.push(8.4);
batch.avgs.push(9.5);
batch.avgs.push(9.6);
let mut s1 = futures_util::stream::iter(vec![batch]).map(Result::Ok);
while let Some(item) = s1.next().await {
match make_frame::<RawConnOut>(&item) {
Ok(buf) => match netout.write(&buf).await {
Ok(_) => {}
Err(e) => return Err((e, netout))?,
},
Err(e) => {
return Err((e, netout))?;
}
}
}
}
let buf = make_term_frame();
match netout.write(&buf).await {
Ok(_) => (),
Err(e) => return Err((e, netout))?,
}
match netout.flush().await {
Ok(_) => (),
Err(e) => return Err((e, netout))?,
}
Ok(())
}