fix(aibox): 禁用 websockets 服务端 20s 协议层 ping 超时断连 (ping_interval=None)
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@@ -8649,7 +8649,12 @@ class EnhancedAIManager:
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async def handler(websocket):
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await self.handle_connection(websocket, None)
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server = await websockets.serve(handler, host, port)
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# ping_interval=None:禁用服务端协议层主动 Ping。
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# websockets 库默认 ping_interval=20s / ping_timeout=20s,服务端每 20s 发协议层
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# Ping 帧,20s 内收不到 Pong 即强制断连。经 WAF→gateway 两层代理转发后 Pong 无法
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# 可靠回传,导致连接约 20s 被服务端关闭。前端已通过 25s 应用层心跳({type:'ping'})
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# 保活,故此处完全禁用服务端协议层 ping。
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server = await websockets.serve(handler, host, port, ping_interval=None)
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self.logger.info(i18n.get('websocket_started', host, port))
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try:
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