使用tcp keeplive 检测socket 异常断开
def init(sck) sck.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) #连接60秒没有任何数据开始发送探测 sck.setsockopt(socket.SOL_TCP, socket.TCP_KEEPIDLE, 60) #探测发包时间间隔为6秒 sck.setsockopt(socket.SOL_TCP, socket.TCP_KEEPCNT, 6) #探测次数为5次 sck.setsockopt(socket.SOL_TCP, socket.TCP_KEEPINTVL, 5)
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