app-server: retain thread listener across disconnects (#12373)

- keep the per-thread app-server listener alive when the last client
unsubscribes or disconnects
- preserve listener-side active turn history so running `thread/resume`
can merge an in-progress turn snapshot after reconnect
- add `ThreadStateManager` regressions for disconnect/unsubscribe
retention and explicit thread teardown cleanup

Added unit tests, and I manually tested to confirm the fix

---------

Co-authored-by: Codex <noreply@openai.com>
This commit is contained in:
Max Johnson 2026-02-21 21:33:33 -08:00 committed by GitHub
parent c4f1af7a86
commit 37610240ec
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GPG key ID: B5690EEEBB952194
3 changed files with 109 additions and 14 deletions

9
MODULE.bazel.lock generated
View file

@ -646,6 +646,7 @@
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"synstructure_0.13.2": "{\"dependencies\":[{\"default_features\":false,\"name\":\"proc-macro2\",\"req\":\"^1.0.60\"},{\"default_features\":false,\"name\":\"quote\",\"req\":\"^1\"},{\"default_features\":false,\"features\":[\"derive\",\"parsing\",\"printing\",\"clone-impls\",\"visit\",\"extra-traits\"],\"name\":\"syn\",\"req\":\"^2\"},{\"kind\":\"dev\",\"name\":\"synstructure_test_traits\",\"req\":\"^0.1\"}],\"features\":{\"default\":[\"proc-macro\"],\"proc-macro\":[\"proc-macro2/proc-macro\",\"syn/proc-macro\",\"quote/proc-macro\"]}}",
"syntect_5.3.0": "{\"dependencies\":[{\"name\":\"bincode\",\"optional\":true,\"req\":\"^1.0\"},{\"features\":[\"html_reports\"],\"kind\":\"dev\",\"name\":\"criterion\",\"req\":\"^0.3\"},{\"name\":\"fancy-regex\",\"optional\":true,\"req\":\"^0.16.2\"},{\"name\":\"flate2\",\"optional\":true,\"req\":\"^1.0\"},{\"name\":\"fnv\",\"optional\":true,\"req\":\"^1.0\"},{\"kind\":\"dev\",\"name\":\"getopts\",\"req\":\"^0.2\"},{\"name\":\"once_cell\",\"req\":\"^1.8\"},{\"default_features\":false,\"name\":\"onig\",\"optional\":true,\"req\":\"^6.5.1\"},{\"name\":\"plist\",\"optional\":true,\"req\":\"^1.3\"},{\"kind\":\"dev\",\"name\":\"pretty_assertions\",\"req\":\"^0.6\"},{\"kind\":\"dev\",\"name\":\"public-api\",\"req\":\"^0.50.1\"},{\"kind\":\"dev\",\"name\":\"rayon\",\"req\":\"^1.0.0\"},{\"kind\":\"dev\",\"name\":\"regex\",\"req\":\"^1.0\"},{\"name\":\"regex-syntax\",\"optional\":true,\"req\":\"^0.8\"},{\"kind\":\"dev\",\"name\":\"rustdoc-json\",\"req\":\"^0.9.7\"},{\"kind\":\"dev\",\"name\":\"rustup-toolchain\",\"req\":\"^0.1.5\"},{\"name\":\"serde\",\"req\":\"^1.0\"},{\"name\":\"serde_derive\",\"req\":\"^1.0\"},{\"name\":\"serde_json\",\"optional\":true,\"req\":\"^1.0\"},{\"kind\":\"dev\",\"name\":\"serde_json\",\"req\":\"^1.0\"},{\"name\":\"thiserror\",\"req\":\"^2.0.12\"},{\"name\":\"walkdir\",\"req\":\"^2.0\"},{\"name\":\"yaml-rust\",\"optional\":true,\"req\":\"^0.4.5\"}],\"features\":{\"default\":[\"default-onig\"],\"default-fancy\":[\"parsing\",\"default-syntaxes\",\"default-themes\",\"html\",\"plist-load\",\"yaml-load\",\"dump-load\",\"dump-create\",\"regex-fancy\"],\"default-onig\":[\"parsing\",\"default-syntaxes\",\"default-themes\",\"html\",\"plist-load\",\"yaml-load\",\"dump-load\",\"dump-create\",\"regex-onig\"],\"default-syntaxes\":[\"parsing\",\"dump-load\"],\"default-themes\":[\"dump-load\"],\"dump-create\":[\"flate2\",\"bincode\"],\"dump-load\":[\"flate2\",\"bincode\"],\"html\":[\"parsing\"],\"metadata\":[\"parsing\",\"plist-load\",\"dep:serde_json\"],\"parsing\":[\"regex-syntax\",\"fnv\",\"dump-create\",\"dump-load\"],\"plist-load\":[\"plist\",\"dep:serde_json\"],\"regex-fancy\":[\"fancy-regex\"],\"regex-onig\":[\"onig\"],\"yaml-load\":[\"yaml-rust\",\"parsing\"]}}",
"sys-locale_0.3.2": "{\"dependencies\":[{\"name\":\"js-sys\",\"optional\":true,\"req\":\"^0.3\",\"target\":\"cfg(all(target_family = \\\"wasm\\\", not(unix)))\"},{\"name\":\"libc\",\"req\":\"^0.2\",\"target\":\"cfg(target_os = \\\"android\\\")\"},{\"name\":\"wasm-bindgen\",\"optional\":true,\"req\":\"^0.2\",\"target\":\"cfg(all(target_family = \\\"wasm\\\", not(unix)))\"},{\"kind\":\"dev\",\"name\":\"wasm-bindgen-test\",\"req\":\"^0.3\",\"target\":\"cfg(all(target_family = \\\"wasm\\\", not(unix)))\"},{\"features\":[\"Window\",\"WorkerGlobalScope\",\"Navigator\",\"WorkerNavigator\"],\"name\":\"web-sys\",\"optional\":true,\"req\":\"^0.3\",\"target\":\"cfg(all(target_family = \\\"wasm\\\", not(unix)))\"}],\"features\":{\"js\":[\"js-sys\",\"wasm-bindgen\",\"web-sys\"]}}",
"system-configuration-sys_0.6.0": "{\"dependencies\":[{\"name\":\"core-foundation-sys\",\"req\":\"^0.8\"},{\"name\":\"libc\",\"req\":\"^0.2.149\"}],\"features\":{}}",
"system-configuration_0.6.1": "{\"dependencies\":[{\"name\":\"bitflags\",\"req\":\"^2\"},{\"name\":\"core-foundation\",\"req\":\"^0.9\"},{\"name\":\"system-configuration-sys\",\"req\":\"^0.6\"}],\"features\":{}}",
@ -1338,13 +1344,13 @@
"tracing-test_0.2.5": "{\"dependencies\":[{\"features\":[\"rt-multi-thread\",\"macros\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1\"},{\"default_features\":false,\"features\":[\"std\"],\"kind\":\"dev\",\"name\":\"tracing\",\"req\":\"^0.1\"},{\"name\":\"tracing-core\",\"req\":\"^0.1\"},{\"features\":[\"env-filter\"],\"name\":\"tracing-subscriber\",\"req\":\"^0.3\"},{\"name\":\"tracing-test-macro\",\"req\":\"^0.2.5\"}],\"features\":{\"no-env-filter\":[\"tracing-test-macro/no-env-filter\"]}}",
"tracing_0.1.44": "{\"dependencies\":[{\"default_features\":false,\"kind\":\"dev\",\"name\":\"criterion\",\"req\":\"^0.3.6\"},{\"default_features\":false,\"kind\":\"dev\",\"name\":\"futures\",\"req\":\"^0.3.21\"},{\"name\":\"log\",\"optional\":true,\"req\":\"^0.4.17\"},{\"kind\":\"dev\",\"name\":\"log\",\"req\":\"^0.4.17\"},{\"name\":\"pin-project-lite\",\"req\":\"^0.2.9\"},{\"name\":\"tracing-attributes\",\"optional\":true,\"req\":\"^0.1.31\"},{\"default_features\":false,\"name\":\"tracing-core\",\"req\":\"^0.1.36\"},{\"kind\":\"dev\",\"name\":\"wasm-bindgen-test\",\"req\":\"^0.3.38\",\"target\":\"cfg(target_arch = \\\"wasm32\\\")\"}],\"features\":{\"async-await\":[],\"attributes\":[\"tracing-attributes\"],\"default\":[\"std\",\"attributes\"],\"log-always\":[\"log\"],\"max_level_debug\":[],\"max_level_error\":[],\"max_level_info\":[],\"max_level_off\":[],\"max_level_trace\":[],\"max_level_warn\":[],\"release_max_level_debug\":[],\"release_max_level_error\":[],\"release_max_level_info\":[],\"release_max_level_off\":[],\"release_max_level_trace\":[],\"release_max_level_warn\":[],\"std\":[\"tracing-core/std\"],\"valuable\":[\"tracing-core/valuable\"]}}",
"tree-sitter-bash_0.25.1": "{\"dependencies\":[{\"kind\":\"build\",\"name\":\"cc\",\"req\":\"^1.1\"},{\"kind\":\"dev\",\"name\":\"tree-sitter\",\"req\":\"^0.25\"},{\"name\":\"tree-sitter-language\",\"req\":\"^0.1\"}],\"features\":{}}",
"tree-sitter-highlight_0.25.10": "{\"dependencies\":[{\"name\":\"regex\",\"req\":\"^1.11.1\"},{\"name\":\"streaming-iterator\",\"req\":\"^0.1.9\"},{\"name\":\"thiserror\",\"req\":\"^2.0.11\"},{\"name\":\"tree-sitter\",\"req\":\"^0.25.10\"}],\"features\":{}}",
"tree-sitter-language_0.1.7": "{\"dependencies\":[],\"features\":{}}",
"tree-sitter_0.25.10": "{\"dependencies\":[{\"kind\":\"build\",\"name\":\"bindgen\",\"optional\":true,\"req\":\"^0.71.1\"},{\"kind\":\"build\",\"name\":\"cc\",\"req\":\"^1.2.10\"},{\"default_features\":false,\"features\":[\"unicode\"],\"name\":\"regex\",\"req\":\"^1.11.1\"},{\"default_features\":false,\"name\":\"regex-syntax\",\"req\":\"^0.8.5\"},{\"features\":[\"preserve_order\"],\"kind\":\"build\",\"name\":\"serde_json\",\"req\":\"^1.0.137\"},{\"name\":\"streaming-iterator\",\"req\":\"^0.1.9\"},{\"name\":\"tree-sitter-language\",\"req\":\"^0.1\"},{\"default_features\":false,\"features\":[\"cranelift\",\"gc-drc\"],\"name\":\"wasmtime-c-api\",\"optional\":true,\"package\":\"wasmtime-c-api-impl\",\"req\":\"^29.0.1\"}],\"features\":{\"default\":[\"std\"],\"std\":[\"regex/std\",\"regex/perf\",\"regex-syntax/unicode\"],\"wasm\":[\"std\",\"wasmtime-c-api\"]}}",
"tree_magic_mini_3.2.2": "{\"dependencies\":[{\"kind\":\"dev\",\"name\":\"bencher\",\"req\":\"^0.1.0\"},{\"name\":\"memchr\",\"req\":\"^2.0\"},{\"name\":\"nom\",\"req\":\"^8.0\"},{\"default_features\":false,\"name\":\"petgraph\",\"req\":\"^0.8.0\"},{\"name\":\"tree_magic_db\",\"optional\":true,\"req\":\"^3.0\"}],\"features\":{\"with-gpl-data\":[\"dep:tree_magic_db\"]}}",
"try-lock_0.2.5": "{\"dependencies\":[],\"features\":{}}",
"ts-rs-macros_11.1.0": "{\"dependencies\":[{\"name\":\"proc-macro2\",\"req\":\"^1\"},{\"name\":\"quote\",\"req\":\"^1\"},{\"features\":[\"full\",\"extra-traits\"],\"name\":\"syn\",\"req\":\"^2.0.28\"},{\"name\":\"termcolor\",\"optional\":true,\"req\":\"^1\"}],\"features\":{\"no-serde-warnings\":[],\"serde-compat\":[\"termcolor\"]}}",
"ts-rs_11.1.0": "{\"dependencies\":[{\"features\":[\"serde\"],\"name\":\"bigdecimal\",\"optional\":true,\"req\":\">=0.0.13, <0.5\"},{\"name\":\"bson\",\"optional\":true,\"req\":\"^2\"},{\"name\":\"bytes\",\"optional\":true,\"req\":\"^1\"},{\"name\":\"chrono\",\"optional\":true,\"req\":\"^0.4\"},{\"features\":[\"serde\"],\"kind\":\"dev\",\"name\":\"chrono\",\"req\":\"^0.4\"},{\"name\":\"dprint-plugin-typescript\",\"optional\":true,\"req\":\"=0.95\"},{\"name\":\"heapless\",\"optional\":true,\"req\":\">=0.7, <0.9\"},{\"name\":\"indexmap\",\"optional\":true,\"req\":\"^2\"},{\"name\":\"ordered-float\",\"optional\":true,\"req\":\">=3, <6\"},{\"name\":\"semver\",\"optional\":true,\"req\":\"^1\"},{\"features\":[\"derive\"],\"kind\":\"dev\",\"name\":\"serde\",\"req\":\"^1.0\"},{\"name\":\"serde_json\",\"optional\":true,\"req\":\"^1\"},{\"kind\":\"dev\",\"name\":\"serde_json\",\"req\":\"^1\"},{\"name\":\"smol_str\",\"optional\":true,\"req\":\"^0.3\"},{\"name\":\"thiserror\",\"req\":\"^2\"},{\"features\":[\"sync\"],\"name\":\"tokio\",\"optional\":true,\"req\":\"^1\"},{\"features\":[\"sync\",\"rt\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.40\"},{\"name\":\"ts-rs-macros\",\"req\":\"=11.1.0\"},{\"name\":\"url\",\"optional\":true,\"req\":\"^2\"},{\"name\":\"uuid\",\"optional\":true,\"req\":\"^1\"}],\"features\":{\"bigdecimal-impl\":[\"bigdecimal\"],\"bson-uuid-impl\":[\"bson\"],\"bytes-impl\":[\"bytes\"],\"chrono-impl\":[\"chrono\"],\"default\":[\"serde-compat\"],\"format\":[\"dprint-plugin-typescript\"],\"heapless-impl\":[\"heapless\"],\"import-esm\":[],\"indexmap-impl\":[\"indexmap\"],\"no-serde-warnings\":[\"ts-rs-macros/no-serde-warnings\"],\"ordered-float-impl\":[\"ordered-float\"],\"semver-impl\":[\"semver\"],\"serde-compat\":[\"ts-rs-macros/serde-compat\"],\"serde-json-impl\":[\"serde_json\"],\"smol_str-impl\":[\"smol_str\"],\"tokio-impl\":[\"tokio\"],\"url-impl\":[\"url\"],\"uuid-impl\":[\"uuid\"]}}",
"two-face_0.5.1": "{\"dependencies\":[{\"kind\":\"dev\",\"name\":\"cargo-lock\",\"req\":\"^10.1.0\"},{\"kind\":\"dev\",\"name\":\"insta\",\"req\":\"^1.44.3\"},{\"default_features\":false,\"features\":[\"read\"],\"kind\":\"dev\",\"name\":\"object\",\"req\":\"^0.36.7\"},{\"name\":\"serde\",\"req\":\"^1.0.228\"},{\"name\":\"serde_derive\",\"req\":\"^1.0.228\"},{\"kind\":\"dev\",\"name\":\"similar\",\"req\":\"^2.7.0\"},{\"features\":[\"derive\"],\"kind\":\"dev\",\"name\":\"strum\",\"req\":\"^0.26.3\"},{\"default_features\":false,\"features\":[\"dump-load\",\"parsing\"],\"name\":\"syntect\",\"req\":\"^5.3.0\"},{\"default_features\":false,\"features\":[\"html\"],\"kind\":\"dev\",\"name\":\"syntect\",\"req\":\"^5.3.0\"},{\"kind\":\"dev\",\"name\":\"toml\",\"req\":\"^0.8.23\"},{\"default_features\":false,\"features\":[\"std\",\"xxhash64\"],\"kind\":\"dev\",\"name\":\"twox-hash\",\"req\":\"^2.1.2\"}],\"features\":{\"default\":[\"syntect-onig\"],\"syntect-default-fancy\":[\"syntect-fancy\",\"syntect/default-fancy\"],\"syntect-default-onig\":[\"syntect-onig\",\"syntect/default-onig\"],\"syntect-fancy\":[\"syntect/regex-fancy\"],\"syntect-onig\":[\"syntect/regex-onig\"]}}",
"type-map_0.5.1": "{\"dependencies\":[{\"name\":\"rustc-hash\",\"req\":\"^2\"}],\"features\":{}}",
"typenum_1.19.0": "{\"dependencies\":[{\"default_features\":false,\"name\":\"scale-info\",\"optional\":true,\"req\":\"^1.0\"}],\"features\":{\"const-generics\":[],\"force_unix_path_separator\":[],\"i128\":[],\"no_std\":[],\"scale_info\":[\"scale-info/derive\"],\"strict\":[]}}",
"uds_windows_1.1.0": "{\"dependencies\":[{\"name\":\"memoffset\",\"req\":\"^0.9.0\"},{\"name\":\"tempfile\",\"req\":\"^3\",\"target\":\"cfg(windows)\"},{\"features\":[\"winsock2\",\"ws2def\",\"minwinbase\",\"ntdef\",\"processthreadsapi\",\"handleapi\",\"ws2tcpip\",\"winbase\"],\"name\":\"winapi\",\"req\":\"^0.3.9\",\"target\":\"cfg(windows)\"}],\"features\":{}}",
@ -1488,6 +1494,7 @@
"x509-parser_0.18.1": "{\"dependencies\":[{\"features\":[\"datetime\"],\"name\":\"asn1-rs\",\"req\":\"^0.7.0\"},{\"name\":\"aws-lc-rs\",\"optional\":true,\"req\":\"^1.0\"},{\"name\":\"data-encoding\",\"req\":\"^2.2.1\"},{\"features\":[\"bigint\"],\"name\":\"der-parser\",\"req\":\"^10.0\"},{\"name\":\"lazy_static\",\"req\":\"^1.4\"},{\"name\":\"nom\",\"req\":\"^7.0\"},{\"features\":[\"crypto\",\"x509\",\"x962\"],\"name\":\"oid-registry\",\"req\":\"^0.8.1\"},{\"name\":\"ring\",\"optional\":true,\"req\":\"^0.17.12\"},{\"name\":\"rusticata-macros\",\"req\":\"^4.0\"},{\"name\":\"thiserror\",\"req\":\"^2.0\"},{\"features\":[\"formatting\"],\"name\":\"time\",\"req\":\"^0.3.35\"}],\"features\":{\"default\":[],\"validate\":[],\"verify\":[\"ring\"],\"verify-aws\":[\"aws-lc-rs\"]}}",
"xdg-home_1.3.0": "{\"dependencies\":[{\"name\":\"libc\",\"req\":\"^0.2\",\"target\":\"cfg(unix)\"},{\"features\":[\"Win32_Foundation\",\"Win32_UI_Shell\",\"Win32_System_Com\"],\"name\":\"windows-sys\",\"req\":\"^0.59\",\"target\":\"cfg(windows)\"}],\"features\":{}}",
"xz2_0.1.7": "{\"dependencies\":[{\"name\":\"futures\",\"optional\":true,\"req\":\"^0.1.26\"},{\"name\":\"lzma-sys\",\"req\":\"^0.1.18\"},{\"kind\":\"dev\",\"name\":\"quickcheck\",\"req\":\"^1.0.1\"},{\"kind\":\"dev\",\"name\":\"rand\",\"req\":\"^0.8.0\"},{\"kind\":\"dev\",\"name\":\"tokio-core\",\"req\":\"^0.1.17\"},{\"name\":\"tokio-io\",\"optional\":true,\"req\":\"^0.1.12\"}],\"features\":{\"static\":[\"lzma-sys/static\"],\"tokio\":[\"tokio-io\",\"futures\"]}}",
"yaml-rust_0.4.5": "{\"dependencies\":[{\"name\":\"linked-hash-map\",\"req\":\"^0.5.3\"},{\"kind\":\"dev\",\"name\":\"quickcheck\",\"req\":\"^0.9\"}],\"features\":{}}",
"yansi_1.0.1": "{\"dependencies\":[{\"name\":\"is-terminal\",\"optional\":true,\"req\":\"^0.4.11\"}],\"features\":{\"_nightly\":[],\"alloc\":[],\"default\":[\"std\"],\"detect-env\":[\"std\"],\"detect-tty\":[\"is-terminal\",\"std\"],\"hyperlink\":[\"std\"],\"std\":[\"alloc\"]}}",
"yasna_0.5.2": "{\"dependencies\":[{\"default_features\":false,\"features\":[\"std\"],\"name\":\"bit-vec\",\"optional\":true,\"req\":\"^0.6.1\"},{\"name\":\"num-bigint\",\"optional\":true,\"req\":\"^0.4\"},{\"default_features\":false,\"kind\":\"dev\",\"name\":\"num-traits\",\"req\":\"^0.2\"},{\"default_features\":false,\"features\":[\"std\"],\"name\":\"time\",\"optional\":true,\"req\":\"^0.3.1\"}],\"features\":{\"default\":[],\"std\":[]}}",
"yoke-derive_0.8.1": "{\"dependencies\":[{\"name\":\"proc-macro2\",\"req\":\"^1.0.61\"},{\"name\":\"quote\",\"req\":\"^1.0.28\"},{\"features\":[\"fold\"],\"name\":\"syn\",\"req\":\"^2.0.21\"},{\"name\":\"synstructure\",\"req\":\"^0.13.0\"}],\"features\":{}}",

View file

@ -5876,7 +5876,7 @@ impl CodexMessageProcessor {
loop {
tokio::select! {
_ = &mut cancel_rx => {
// User has unsubscribed, so exit this task.
// Listener was superseded or the thread is being torn down.
break;
}
event = conversation.next_event() => {
@ -6296,6 +6296,14 @@ async fn handle_pending_thread_resume_request(
let state = thread_state.lock().await;
state.active_turn_snapshot()
};
tracing::debug!(
thread_id = %conversation_id,
request_id = ?pending.request_id,
active_turn_present = active_turn.is_some(),
active_turn_id = ?active_turn.as_ref().map(|turn| turn.id.as_str()),
active_turn_status = ?active_turn.as_ref().map(|turn| &turn.status),
"composing running thread resume response"
);
let mut has_in_progress_turn = active_turn
.as_ref()
.is_some_and(|turn| matches!(turn.status, TurnStatus::InProgress));
@ -7344,8 +7352,8 @@ mod tests {
}
#[tokio::test]
async fn removing_one_listener_does_not_cancel_other_subscriptions_for_same_thread()
-> Result<()> {
async fn removing_listeners_retains_thread_listener_when_last_subscriber_leaves() -> Result<()>
{
let mut manager = ThreadStateManager::new();
let thread_id = ThreadId::from_string("ad7f0408-99b8-4f6e-a46f-bd0eec433370")?;
let listener_a = Uuid::new_v4();
@ -7372,7 +7380,13 @@ mod tests {
.is_err()
);
assert_eq!(manager.remove_listener(listener_b).await, Some(thread_id));
assert_eq!(cancel_rx.await, Ok(()));
assert!(
tokio::time::timeout(Duration::from_millis(20), &mut cancel_rx)
.await
.is_err()
);
let state = manager.thread_state(thread_id);
assert!(state.lock().await.subscribed_connection_ids().is_empty());
Ok(())
}
@ -7424,28 +7438,79 @@ mod tests {
}
#[tokio::test]
async fn removing_connection_clears_subscription_and_listener_when_last_subscriber()
async fn removing_connection_retains_listener_and_active_turn_when_last_subscriber_disconnects()
-> Result<()> {
let mut manager = ThreadStateManager::new();
let thread_id = ThreadId::from_string("ad7f0408-99b8-4f6e-a46f-bd0eec433370")?;
let listener = Uuid::new_v4();
let connection = ConnectionId(1);
let (cancel_tx, cancel_rx) = oneshot::channel();
let (cancel_tx, mut cancel_rx) = oneshot::channel();
manager
.set_listener(listener, thread_id, connection, false)
.await;
{
let state = manager.thread_state(thread_id);
state.lock().await.cancel_tx = Some(cancel_tx);
let mut state = state.lock().await;
state.cancel_tx = Some(cancel_tx);
state.track_current_turn_event(&EventMsg::TurnStarted(
codex_protocol::protocol::TurnStartedEvent {
turn_id: "turn-1".to_string(),
model_context_window: None,
collaboration_mode_kind: Default::default(),
},
));
}
manager.remove_connection(connection).await;
assert_eq!(cancel_rx.await, Ok(()));
assert!(
tokio::time::timeout(Duration::from_millis(20), &mut cancel_rx)
.await
.is_err()
);
assert_eq!(manager.remove_listener(listener).await, None);
let state = manager.thread_state(thread_id);
assert!(state.lock().await.subscribed_connection_ids().is_empty());
let state = state.lock().await;
assert!(state.subscribed_connection_ids().is_empty());
assert!(state.cancel_tx.is_some());
let active_turn = state.active_turn_snapshot().expect("active turn snapshot");
assert_eq!(active_turn.id, "turn-1");
assert_eq!(active_turn.status, TurnStatus::InProgress);
Ok(())
}
#[tokio::test]
async fn removing_thread_state_clears_listener_and_active_turn_history() -> Result<()> {
let mut manager = ThreadStateManager::new();
let thread_id = ThreadId::from_string("ad7f0408-99b8-4f6e-a46f-bd0eec433370")?;
let connection = ConnectionId(1);
let (cancel_tx, cancel_rx) = oneshot::channel();
manager
.ensure_connection_subscribed(thread_id, connection, false)
.await;
{
let state = manager.thread_state(thread_id);
let mut state = state.lock().await;
state.cancel_tx = Some(cancel_tx);
state.track_current_turn_event(&EventMsg::TurnStarted(
codex_protocol::protocol::TurnStartedEvent {
turn_id: "turn-1".to_string(),
model_context_window: None,
collaboration_mode_kind: Default::default(),
},
));
}
manager.remove_thread_state(thread_id).await;
assert_eq!(cancel_rx.await, Ok(()));
let state = manager.thread_state(thread_id);
let state = state.lock().await;
assert!(state.subscribed_connection_ids().is_empty());
assert!(state.cancel_tx.is_none());
assert!(state.active_turn_snapshot().is_none());
Ok(())
}

View file

@ -175,7 +175,13 @@ impl ThreadStateManager {
thread_state.remove_connection(subscription_state.connection_id);
}
if thread_state.subscribed_connection_ids().is_empty() {
thread_state.clear_listener();
tracing::debug!(
thread_id = %thread_id,
subscription_id = %subscription_id,
connection_id = ?subscription_state.connection_id,
listener_generation = thread_state.listener_generation,
"retaining thread listener after last subscription removed"
);
}
}
Some(thread_id)
@ -183,7 +189,15 @@ impl ThreadStateManager {
pub(crate) async fn remove_thread_state(&mut self, thread_id: ThreadId) {
if let Some(thread_state) = self.thread_states.remove(&thread_id) {
thread_state.lock().await.clear_listener();
let mut thread_state = thread_state.lock().await;
tracing::debug!(
thread_id = %thread_id,
listener_generation = thread_state.listener_generation,
had_listener = thread_state.cancel_tx.is_some(),
had_active_turn = thread_state.active_turn_snapshot().is_some(),
"clearing thread listener during thread-state teardown"
);
thread_state.clear_listener();
}
self.subscription_state_by_id
.retain(|_, state| state.thread_id != thread_id);
@ -254,7 +268,11 @@ impl ThreadStateManager {
let mut thread_state = thread_state.lock().await;
thread_state.remove_connection(connection_id);
if thread_state.subscribed_connection_ids().is_empty() {
thread_state.clear_listener();
tracing::debug!(
connection_id = ?connection_id,
listener_generation = thread_state.listener_generation,
"retaining thread listener after connection disconnect left zero subscribers"
);
}
}
return;
@ -265,7 +283,12 @@ impl ThreadStateManager {
let mut thread_state = thread_state.lock().await;
thread_state.remove_connection(connection_id);
if thread_state.subscribed_connection_ids().is_empty() {
thread_state.clear_listener();
tracing::debug!(
thread_id = %thread_id,
connection_id = ?connection_id,
listener_generation = thread_state.listener_generation,
"retaining thread listener after connection disconnect left zero subscribers"
);
}
}
}