x/scalpels
Code Issues Proposed changes

encapulate same codes into functions

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use functions to avoid repeatly calling "cat" commad and make code cleaner

Change-Id: If8a2643eb99f9acfcd94d9f042216bbaec7718cc
This commit is contained in:
boding 2015-12-15 14:02:08 +08:00
parent 33c76dded5
commit 3535c14668
1 changed files with 14 additions and 4 deletions
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18
scripts/device-input-traffic.sh
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@ -3,16 +3,26 @@
dev=${1:-eth0} dev=${1:-eth0}
packages=`cat /sys/class/net/$dev/statistics/rx_packets ` function get_rx_packets()
bytes=`cat /sys/class/net/$dev/statistics/rx_bytes ` {
echo `cat /sys/class/net/$dev/statistics/rx_packets `
}
function get_rx_bytes()
{
echo `cat /sys/class/net/$dev/statistics/rx_bytes `
}
packages=$(get_rx_packets)
bytes=$(get_rx_bytes)
interval=3 interval=3
trap 'break' INT trap 'break' INT
while [ 1 -eq 1 ] ; do while [ 1 -eq 1 ] ; do
sleep $interval sleep $interval
n_packages=`cat /sys/class/net/$dev/statistics/rx_packets ` n_packages=$(get_rx_packets)
n_bytes=`cat /sys/class/net/$dev/statistics/rx_bytes ` n_bytes=$(get_rx_bytes)
python -c "print '%0.2f pkt/s %0.2f byte/s' % ((float($n_packages-$packages)/int($interval), (float($n_bytes-$bytes)/int($interval))))" python -c "print '%0.2f pkt/s %0.2f byte/s' % ((float($n_packages-$packages)/int($interval), (float($n_bytes-$bytes)/int($interval))))"
packages=$n_packages packages=$n_packages
bytes=$n_bytes bytes=$n_bytes