astelm/telemt
1
0
Fork 0
mirror of https://github.com/telemt/telemt.git synced 2026-05-01 01:14:11 +03:00
Code Issues Packages Projects Releases Wiki Activity

ME Writer stuck-up in draining-state fixes

Browse Source 
Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-03-19 13:08:35 +03:00
parent 049db1196f
commit 6f9aef7bb4
5 changed files with 203 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/transport/middle_proxy/pool_writer.rs
View File

@@ -8,6 +8,7 @@ use bytes::Bytes;
use bytes::BytesMut;
use rand::Rng;
use tokio::sync::mpsc;
use tokio::sync::mpsc::error::TrySendError;
use tokio_util::sync::CancellationToken;
use tracing::{debug, info, warn};
@@ -525,6 +526,11 @@ impl MePool {
self.conn_count.fetch_sub(1, Ordering::Relaxed);
}
}
// State invariant:
// - writer is removed from `self.writers` (pool visibility),
// - writer is removed from registry routing/binding maps via `writer_lost`.
// The close command below is only a best-effort accelerator for task shutdown.
// Cleanup progress must never depend on command-channel availability.
let conns = self.registry.writer_lost(writer_id).await;
{
let mut tracker = self.ping_tracker.lock().await;
@@ -532,7 +538,25 @@ impl MePool {
}
self.rtt_stats.lock().await.remove(&writer_id);
if let Some(tx) = close_tx {
let _ = tx.send(WriterCommand::Close).await;
match tx.try_send(WriterCommand::Close) {
Ok(()) => {}
Err(TrySendError::Full(_)) => {
self.stats.increment_me_writer_close_signal_drop_total();
self.stats
.increment_me_writer_close_signal_channel_full_total();
debug!(
writer_id,
"Skipping close signal for removed writer: command channel is full"
);
}
Err(TrySendError::Closed(_)) => {
self.stats.increment_me_writer_close_signal_drop_total();
debug!(
writer_id,
"Skipping close signal for removed writer: command channel is closed"
);
}
}
}
if trigger_refill
&& let Some(addr) = removed_addr