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Safety Gates Invariants + HybridAsyncPersistent + Watch + Runtime Snapshots + ME Writer Ping Tracker + Parallel Recovery + Backpressure Guardrails

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-03-25 16:29:35 +03:00
parent c43de1bd2a
commit 41d786cc11
19 changed files with 384 additions and 184 deletions
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12
src/transport/middle_proxy/reader.rs
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@@ -32,10 +32,10 @@ pub(crate) async fn reader_loop(
enc_leftover: BytesMut,
mut dec: BytesMut,
tx: mpsc::Sender<WriterCommand>,
ping_tracker: Arc<Mutex<HashMap<i64, (Instant, u64)>>>,
ping_tracker: Arc<Mutex<HashMap<i64, Instant>>>,
rtt_stats: Arc<Mutex<HashMap<u64, (f64, f64)>>>,
stats: Arc<Stats>,
_writer_id: u64,
writer_id: u64,
degraded: Arc<AtomicBool>,
writer_rtt_ema_ms_x10: Arc<AtomicU32>,
reader_route_data_wait_ms: Arc<AtomicU64>,
@@ -45,7 +45,7 @@ pub(crate) async fn reader_loop(
let mut expected_seq: i32 = 0;
loop {
let mut tmp = [0u8; 16_384];
let mut tmp = [0u8; 65_536];
let n = tokio::select! {
res = rd.read(&mut tmp) => res.map_err(ProxyError::Io)?,
_ = cancel.cancelled() => return Ok(()),
@@ -203,13 +203,13 @@ pub(crate) async fn reader_loop(
} else if pt == RPC_PONG_U32 && body.len() >= 8 {
let ping_id = i64::from_le_bytes(body[0..8].try_into().unwrap());
stats.increment_me_keepalive_pong();
if let Some((sent, wid)) = {
if let Some(sent) = {
let mut guard = ping_tracker.lock().await;
guard.remove(&ping_id)
} {
let rtt = sent.elapsed().as_secs_f64() * 1000.0;
let mut stats = rtt_stats.lock().await;
let entry = stats.entry(wid).or_insert((rtt, rtt));
let entry = stats.entry(writer_id).or_insert((rtt, rtt));
entry.1 = entry.1 * 0.8 + rtt * 0.2;
if rtt < entry.0 {
entry.0 = rtt;
@@ -224,7 +224,7 @@ pub(crate) async fn reader_loop(
Ordering::Relaxed,
);
trace!(
writer_id = wid,
writer_id,
rtt_ms = rtt,
ema_ms = entry.1,
base_ms = entry.0,