fix: keep terminal sessions alive

Add WebSocket and SSH keepalives so idle dashboard terminal sessions stay connected across proxies and long-running idle periods. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-06 16:11:43 +08:00
parent aaabb8a373
commit c9f06fbbbb
2 changed files with 11 additions and 1 deletions
@@ -72,6 +72,8 @@ async def ws_endpoint(websocket: WebSocket, host: str = Query("nas")):
        conn = await asyncssh.connect(
            h["host"], username=h["user"],
            client_keys=[h["key"]], known_hosts=_known_hosts,
+            keepalive_interval=30,
+            keepalive_count_max=3,
        )
    except Exception:
        _active_sessions.discard(session_id)
@@ -108,6 +110,8 @@ async def ws_endpoint(websocket: WebSocket, host: str = Query("nas")):
                    else:
                        process.stdin.write(data)
                elif "text" in msg and msg["text"]:
+                    if msg["text"] == "__ping__":
+                        continue
                    process.stdin.write(msg["text"].encode())
        except WebSocketDisconnect:
            pass