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在线状态变化

tag-icon • tag-icon bash python ping
在线状态变化

bash 或 python 中是否有现成的脚本可以 ping 目标并仅报告在线状态更改？也希望有平均故障间隔时间。

答案1

    ping_online_offline()
    {
            SECONDS=0
            avg=-1
            ping_log $1
            while true; do
                    while fping -r1 -q $1; do sleep 1; done
                    test $avg -eq -1 && avg=$SECONDS
                            # Cumulative moving average for 5
                            let avg+=(SECONDS-avg)/5
                    echo "$SECONDS seconds till $(date +%T), offline moving MTBF = $((avg/60)) min $((avg%60)) sec"
                    SECONDS=0
                    while ! fping -r1 -q $1; do sleep 1; done
                    echo -en " $SECONDS seconds, till $(date +%T) \tonline "
                    SECONDS=0
            done
    }

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