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https://github.com/Security-Onion-Solutions/securityonion.git
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48 lines
1.7 KiB
Bash
48 lines
1.7 KiB
Bash
#!/bin/bash
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#
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# Copyright 2014-2023 Security Onion Solutions, LLC
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# if this script isn't already running
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if [[ ! "`pidof -x $(basename $0) -o %PPID`" ]]; then
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CHECKIT=$(grep "Thread 0" /var/log/stenographer/stenographer.log |tac |head -2|wc -l)
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STENOGREP=$(grep "Thread 0" /var/log/stenographer/stenographer.log |tac |head -2)
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declare RESULT=($STENOGREP)
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CURRENT_PACKETS=$(echo ${RESULT[9]} | awk -F'=' '{print $2 }')
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CURRENT_DROPS=$(echo ${RESULT[12]} | awk -F'=' '{print $2 }')
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PREVIOUS_PACKETS=$(echo ${RESULT[23]} | awk -F'=' '{print $2 }')
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PREVIOUS_DROPS=$(echo ${RESULT[26]} | awk -F'=' '{print $2 }')
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DROPPED=$((CURRENT_DROPS - PREVIOUS_DROPS))
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TOTAL_CURRENT=$((CURRENT_PACKETS + CURRENT_DROPS))
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TOTAL_PAST=$((PREVIOUS_PACKETS + PREVIOUS_DROPS))
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TOTAL=$((TOTAL_CURRENT - TOTAL_PAST))
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if [ $CHECKIT == 2 ]; then
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if [ $DROPPED == 0 ]; then
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echo "stenodrop drop=$DROPPED"
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else
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LOSS=$(echo "4 k $DROPPED $TOTAL / 100 * p" | dc)
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echo "stenodrop drop=$LOSS"
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fi
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fi
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fi
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exit 0
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