TC Flow control script, dynamically guaranteed 1M bandwidth per IP

Source: Internet
Author: User
Tags echo b echo d

TC Main script:

#!/bin/bash

#

. /root/tc_functions

num=2

Dev=eth0

INIT_TC $NUM

While:; Do

#IP = ' Netstat-antup|grep established |grep 80|cut-d ': '-f8 '

ip= ' Netstat-antup|grep established|grep 80|awk ' {print $ {} ' |grep-o ' \ ([0-9]\{1,3\}\.\] \{1,3\}[0-9]\{1,3\} "|sort-rn |uniq-c|awk ' {print $} '

Free=0

For I in $IP

Do

ip16= ' Ip_to_16 $i '

If tc-s filter ls dev $DEV | grep $IP &>/dev/null;

Continue

Fi

For x in ' seq $NUM '

Do

Change $x

If [$free-eq 1];then

TC Filter Add dev $DEV parent 1:protocol IP prio u32 match IP DST $i flowid 1: $x;

free=0;

Break 1;

Fi

Done

Done

TC Filter Add dev $DEV parent 1:protocol IP prio u32 match IP DST 0.0.0.0/0 flowid 1:$[$NUM +1];

Sleep 30

TC Filter del dev eth0 parent 1:protocol IP prio u32;

Done





Tc_functions:


function HD () {

Case $ in

10)

echo A;;

11)

echo b;;

12)

echo c;;

13)

Echo D;;

14)

echo e;;

15)

echo F;;

*)

echo $;;

Esac

}

function Ip_to_16 () {

A= ' echo $1|cut-d '. '-f1 '

B= ' echo $1|cut-d '. '-f2 '

C= ' echo $1|cut-d '. '-f3 '

D= ' echo $1|cut-d '. '-f4 '

a1=$[$a/16]

a2=$[$a%16]

b1=$[$b/16]

b2=$[$b%16]

c1=$[$c/16]

c2=$[$c%16]

d1=$[$d/16]

d2=$[$d%16]

Q1= ' HD $a 1 '

Q2= ' HD $a 2 '

Q3= ' HD $b 1 '

Q4= ' HD $b 2 '

Q5= ' HD $c 1 '

Q6= ' HD $c 2 '

Q7= ' HD $d 1 '

Q8= ' HD $d 2 '

Echo $q 1$q2$q3$q4$q5$q6$q7$q8

}

function Change () {

past= ' tc-s class ls dev $DEV |grep Sent |cut-d '-f3|head-$1|tail-1 '

Sleep 1

now= ' tc-s class ls dev $DEV |grep Sent |cut-d '-f3|head-$1|tail-1 '

[$NOW-eq $PAST]&& free=1

}

function Init_tc () {

TC Qdisc del Dev eth0 root

TC Qdisc Add dev eth0 root handle 1:htb r2q 1

Local I

For i in ' seq $ '

Do

TC class Add dev eth0 parent 1:classid 1: $i HTB rate 1mbit ceil 1mbit

Done

TC class Add dev eth0 parent 1:classid 1:$[$i +1] HTB rate 2mbit ceil 2mbit

}


This article is from the "single Season rice" blog, please be sure to keep this source http://linzb.blog.51cto.com/5192423/1766222

TC Flow control script, dynamically guaranteed 1M bandwidth per IP

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