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26 lines
573 B
Bash
26 lines
573 B
Bash
#!/bin/bash
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SURILOG=$(tac /var/log/suricata/stats.log | grep kernel | head -4)
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CHECKIT=$(echo $SURILOG | grep -o 'drop' | wc -l)
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if [ $CHECKIT == 2 ]; then
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declare RESULT=($SURILOG)
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CURRENTDROP=${RESULT[4]}
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PASTDROP=${RESULT[14]}
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DROPPED=$(($CURRENTDROP - $PASTDROP))
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if [ $DROPPED == 0 ]; then
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LOSS=0
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echo "suridrop drop=0"
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else
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CURRENTPACKETS=${RESULT[9]}
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PASTPACKETS=${RESULT[19]}
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TOTAL=$(($CURRENTPACKETS - $PASTPACKETS))
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LOSS=$(echo $DROPPED $TOTAL / p | dc)
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echo "suridrop drop=$LOSS"
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fi
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else
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echo "suridrop drop=0"
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fi
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