shell 脚本查看流量

hyytaojunming

while [ $i -le 100000 ]; do　　send_l=$send_n
　　recv_l=$recv_n
　　sleep 1
　　send_n=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`
　　recv_n=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'`
　　i=`expr $i + 1`
　　send_r=`expr $send_n - $send_l`
　　recv_r=`expr $recv_n - $recv_l`
　　total_r=`expr $send_r + $recv_r`
　　send_ra=`expr \( $send_n - $send_o \) / $i`
　　recv_ra=`expr \( $recv_n - $recv_o \) / $i`
　　total_ra=`expr $send_ra + $recv_ra`
　　sendn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $3}' | awk -F \) '{print $1}'`
　　recvn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $2}' | awk -F \) '{print $1}'`
　　clear
　　echo "=================================================="
　　echo  "Last second  :   Send rate: $send_r Bytes/sec  Recv rate: $recv_r Bytes/sec  Total rate: $total_r Bytes/sec"
　　echo  "Average value:   Send rate: $send_ra Bytes/sec  Recv rate: $recv_ra Bytes/sec  Total rate: $total_ra Bytes/sec"
　　echo  "Total traffic after startup:    Send traffic: $sendn  Recv traffic: $recvn"
　　echo "=================================================="
　　done