fix(protocol): keep completed sessions on late cancel

2026-08-15 11:44:24 -07:00
parent 31be87061a
commit 627fcb19da
2 changed files with 40 additions and 3 deletions
@@ -382,6 +382,7 @@ class DtlsCoapSession:
        io_failed = False
        cancelled = False
        interrupted = False
+        completed = False
        try:
            try:
                completed = _drive_dtls_handshake(
@@ -403,7 +404,7 @@ class DtlsCoapSession:
        finally:
            if wake_subscription is not None:
                interrupted = cancel._unsubscribe(*wake_subscription)
-        if cancelled or interrupted:
+        if cancelled or (interrupted and not completed):
            sock.close()
            raise SessionClosedError()
        if backend_failed: