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The Telegram gateway could go silently deaf for hours: the reconnect ladder stalled mid-way (e.g. "attempt 4/10, reconnecting in 40s" then nothing) while the process stayed active(running), so Restart=always never fired. Root class: every recovery path — the ladder's re-entry (_schedule_polling_recovery), the pending-update probe (_probe_pending_updates), and PTB's error callback — gates new recovery on _polling_error_task.done(). If that single task wedges on any hung await, all recovery returns early forever and nothing retries. The heartbeat loop is a separate task, so make it an independent, cause-agnostic watchdog: if the same recovery task stays in-flight past _POLLING_ERROR_TASK_STUCK_TIMEOUT (300s — well beyond a healthy ladder attempt's bounded stop+drain+start+backoff), force a retryable-fatal so the background reconnector rebuilds the adapter instead of relying on the frozen ladder. This guarantees progress regardless of *where* the stall is (issue direction #1), tracked locally so no task-assignment site needs to change. Also salvages @koduri-mahesh-bhushan-chowdary's #66492 (drain-await timeout), which closes the one concrete wedge vector documented in the incident (_drain_polling_connections' unbounded shutdown()/initialize() on a wedged CLOSE-WAIT pool). The watchdog covers the rest of the class. Co-authored-by: Koduri Mahesh Bhushan Chowdary <mkoduri73@gmail.com> |
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| .. | ||
| __init__.py | ||
| adapter.py | ||
| plugin.yaml | ||
| telegram_ids.py | ||
| telegram_network.py | ||