36 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env bash
 | 
						|
 | 
						|
unlimit() {
 | 
						|
    tc qdisc del dev lo root
 | 
						|
}
 | 
						|
 | 
						|
limit() {
 | 
						|
 | 
						|
    if [ "$1" = "5Mbps" ]; then
 | 
						|
        tc qdisc del dev lo root
 | 
						|
        tc qdisc add dev lo handle 1: root htb default 11
 | 
						|
        tc class add dev lo parent 1:1 classid 1:11 htb rate 5000kbit
 | 
						|
        tc qdisc add dev lo parent 1:11 handle 10: netem delay 38ms loss 0.09%
 | 
						|
    elif [ "$1" = "10Mbps" ]; then
 | 
						|
        tc qdisc del dev lo root
 | 
						|
        tc qdisc add dev lo handle 1: root htb default 11
 | 
						|
        tc class add dev lo parent 1:1 classid 1:11 htb rate 10000kbit
 | 
						|
        tc qdisc add dev lo parent 1:11 handle 10: netem delay 32ms loss 0.09%
 | 
						|
    elif [ "$1" = "20Mbps" ]; then
 | 
						|
        tc qdisc del dev lo root
 | 
						|
        tc qdisc add dev lo handle 1: root htb default 11
 | 
						|
        tc class add dev lo parent 1:1 classid 1:11 htb rate 20000kbit
 | 
						|
        tc qdisc add dev lo parent 1:11 handle 10: netem delay 25ms loss 0.09%
 | 
						|
    else
 | 
						|
        echo -e >&2 "\x1B[31;1merror:\x1B[0m preset $1 not found"
 | 
						|
        exit 1
 | 
						|
    fi
 | 
						|
}
 | 
						|
 | 
						|
if [ $# -eq 0 ]; then
 | 
						|
    echo -e >&2 "\x1B[31;1merror:\x1B[0m expecting command"
 | 
						|
    exit 1
 | 
						|
else
 | 
						|
    "$@"
 | 
						|
fi
 |