31 lines
853 B
Bash
Executable file
31 lines
853 B
Bash
Executable file
#!/bin/sh
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# Ce script donne la volumétrie d'une interface réseau à intervalle régulier
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# (se base sur /proc/net/dev)
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FICHIER_PROC=/proc/net/dev
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INTERFACE="eth0"
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DELAI="10"
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OLD_VOLUME_IN=0
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OLD_VOLUME_OUT=0
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VOLUME_IN=0
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VOLUME_OUT=0
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while true ; do
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VOLUME_IN=$( cat "$FICHIER_PROC" | grep "$INTERFACE:" | sed 's/^[[:space:]]*eth0:\([[:digit:]]\+\)[[:space:]]\+.*/\1/' )
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VOLUME_OUT=$( cat "$FICHIER_PROC" | grep "$INTERFACE:" | sed 's/^[[:space:]]*eth0:\([[:digit:]]\+[[:space:]]\+\)\{8\}\([[:digit:]]\+\)[[:space:]]\+.*/\2/' )
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if [ "$OLD_VOLUME_IN" -eq "0" ] ; then
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echo "Please wait..."
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else
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printf "%s: %10d o/s reception, %10d o/s emission\n" "$INTERFACE" $(( ( $VOLUME_IN - $OLD_VOLUME_IN ) / $DELAI )) $(( ( $VOLUME_OUT - $OLD_VOLUME_OUT ) / $DELAI ))
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fi
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OLD_VOLUME_IN=$VOLUME_IN
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OLD_VOLUME_OUT=$VOLUME_OUT
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sleep "$DELAI"
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done
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