本文共 2417 字，大约阅读时间需要 8 分钟。
（下载上传后，记得chmod +x flux.sh增加可执行权限）
- #!/bin/sh
- # 流量统计工具
- # 可带一个参数：网卡名，如eth0或eth1等
- # 输出格式：统计时间,入流量(Kbps),入流量(Mbps),出流量(Kbps),出流量(Mbps)
-
- # Please edit the followings
- EthXname=eth0 # Interface name
- StatFreq=2 # Seconds
-
- if test $# -eq 1; then
- EthXname=$1
- fi
- echo "Destination: $EthXname"
-
- # Don't change
- influx_kbps=0
- outflux_kbps=0
- influx_mbps=0
- outflux_mbps=0
- unsigned_long_max=4294967295
-
- # 检查是否存在EthXname
- Ethname=`cat /proc/net/dev|grep $EthXname|awk -F"[: ]+" '{ printf("%s", $2); }'`
- if test "$EthXname" != "$Ethname"; then
- echo "Please set EthXname first before running"
- echo "Usage: flux.sh ethX"
- echo "Example: flux.sh eth0"
- exit 1
- fi
- # 进一步检查是否存在EthXname
- netstat -ie|grep $EthXname> /dev/null 2>&1
- if test $? -ne 0; then
- echo "Please set EthXname first before running"
- echo "Usage: flux.sh ethX"
- echo "Example: flux.sh eth0"
- exit 1
- fi
-
- # 初始化
- influx1_byte=`cat /proc/net/dev|grep $EthXname|awk -F"[: ]+" '{ printf("%d", $3); }'`
- outflux1_byte=`cat /proc/net/dev|grep $EthXname|awk -F"[: ]+" '{ printf("%d", $11); }'`
-
- echo "Date,IN-Kbps,IN-Mbps,OUT-Kbps,OUT-Mbps"
- while test 2 -gt 1;
- do
- sleep $StatFreq
- #influx2_byte=`cat /proc/net/dev|grep $EthXname|awk -F"[: ]+" '{ printf("%d", $3); }'`
- #outflux2_byte=`cat /proc/net/dev|grep $EthXname|awk -F"[: ]+" '{ printf("%d", $11); }'`
- inout_bytes=`awk -F"[: ]+" /$EthXname/'{ printf("%s %s", $3, $11) }' /proc/net/dev`
- inout_bytes_array=($inout_bytes)
- influx2_byte=${inout_bytes_array[0]}
- outflux2_byte=${inout_bytes_array[1]}
-
- dd=`date +'%Y-%m-%d/%H:%M:%S'`
- if test $influx2_byte -ge $influx1_byte; then
- let influx_byte=$influx2_byte-$influx1_byte
- else
- let influx_byte=$unsigned_long_max-$influx1_byte
- let influx_byte=$influx_byte+$influx2_byte
- fi
- if test $outflux2_byte -ge $outflux1_byte; then
- let outflux_byte=$outflux2_byte-$outflux1_byte
- else
- let outflux_byte=$unsigned_long_max-$outflux1_byte
- let outflux_byte=$outflux_byte+$outflux2_byte
- fi
-
- let influx_byte=$influx_byte/$StatFreq
- let outflux_byte=$outflux_byte/$StatFreq
- # TO bps
- let influx_bps=$influx_byte*8
- let outflux_bps=$outflux_byte*8
- # To kbps
- let influx_kbps=$influx_bps/1024
- let outflux_kbps=$outflux_bps/1024
- # To mbps
- let influx_mbps=$influx_kbps/1024
- let outflux_mbps=$outflux_kbps/1024
- # SHOW on screen
-
- # COLUMN: Date,IN-Kbps,IN-Mbps,OUT-Kbps,OUT-Mbps
- echo "$dd,${influx_kbps}Kbps,${influx_mbps}Mbps,${outflux_kbps}Kbps,${outflux_mbps}Mbps"
-
- let influx1_byte=influx2_byte
- let outflux1_byte=outflux2_byte
- done
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