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Fix WebCRT sessions killed by StrictMode ws_ticket reuse.

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Allow short-lived tickets multiple uses, stop deleting PTY on transient websocket errors, and avoid marking connect complete after a dropped wait loop.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-08-02 18:49:29 +08:00
parent b42f4eb588
commit 9314f11ce7
4 changed files with 62 additions and 17 deletions
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7
netx_api/webcrt_session_registry.py
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@ -158,7 +158,8 @@ def find_ssh_session_for_ne(ne_id: str) -> WebcrtSession | None:
def wait_session_ready(session_id: str, *, timeout: float = 120.0) -> WebcrtSession:
"""Block until async connect finishes (ready or error). Used by tests and WS."""
deadline = time.time() + max(1.0, float(timeout))
# Honor short slice timeouts from the WS wait loop (do not clamp to 1s).
deadline = time.time() + max(0.05, float(timeout))
while time.time() < deadline:
sess = get_session(session_id)
if sess is None:
@ -167,7 +168,9 @@ def wait_session_ready(session_id: str, *, timeout: float = 120.0) -> WebcrtSess
return sess
if sess.state == "error":
raise HTTPException(status_code=502, detail=sess.connect_error or "connect_failed")
sess._ready_event.wait(timeout=0.25)
if sess.closed or sess.state == "closed":
raise HTTPException(status_code=404, detail="webcrt_session_not_found")
sess._ready_event.wait(timeout=min(0.25, max(0.01, deadline - time.time())))
raise HTTPException(status_code=504, detail="connect_timeout")