How many users on router? run torrent

Question

I share my router and I have "off-peak" internet time 2am to 8am - I needed a script to see if I am the only user on-line so that my torrents don't suck up the other people's bandwidth...
This works:
#!/bin/bash
# should torrent run?
# using a router shared by a number of people
# If I am the only user or it is off peak time (or other concerns) then decide whether to run torrent
#functions
# check who's online
function checkingprocess {
# start by saying there are zero users
homeusers="0"
echo "home users reset to zero"
# nong (important other user) is not on
nong="no"
echo "nong set to no"
# get the file with MAC addresses of people connected to wireless router
wget http://192.168.1.1/wlclientview.cmd --http-user=USERNAME --http-password=PASSWORD
echo "got list"
mv ~/wlclientview.cmd ~/mybin/whoosonline
echo "moved list"
# check if others are on-line
homeusers=$(grep -c "<tr>" ~/mybin/whoosonline)
echo "counted $homeusers table rows"
# remove extra 3 that are not useful
homeusers=`expr $homeusers - 3`
echo "that means we have $homeusers users (result -3)"
# check for special case "nong"
if grep -q "MAC:OF:USER:NONG" ~/mybin/whoosonline
then
# special case - Nong is online too
nong="nong"
echo "nong online"
else
echo "nong not on line"
fi
# report total to text file for conky to display
echo $homeusers > /home/tawan/mybin/whoosonlinenow
# check the time
function timechecker {
# off-peak internet use between 3 and 6 am
# actually 3 to 8 but give others a chance early morning from 6
TIME=`date +%H`
if [ "$TIME" -ge "02" ]
then
mytime="offpeak"
echo "off peak time?"
if [ "$TIME" -le "05" ]
then
mytime="offpeak"
echo "off peak time"
else
mytime="peak"
echo "peak time"
fi
else
mytime="peak"
echo "peak time"
fi
# run
function myrunner {
ps aux > /tmp/ps.log
# look in the file for this name to see if it is running
if grep rtorrent /tmp/ps.log
then
appcheck
if [ "$appkill" -ge "1" ]
then
echo "can't run torrent $appkill x web app open"
else
echo "torrent already running"
fi
else
echo "run torrent"
appcheck
if [ "$appkill" -ge "1" ]
then
echo "can't run torrent $appkill x web app open"
else
urxvt -g 46x1 -title rtorrent -e rtorrent -o http_capath=/etc/ssl/certs &
fi
fi
# kill
function mykiller {
ps aux > /tmp/ps.log
# look in the file for this name to see if it is running
if grep rtorrent /tmp/ps.log
then
killall rtorrent &
fi
echo "kill torrent"
# app check
function appcheck {
appkill="0"
# skype - kill torrents if skype in use
myapp="skype"
appkiller
# chromium - kill torrents if chromium in use
myapp="chromium"
appkiller
# firefox - kill torrents if firefox in use
myapp="swiftfox"
appkiller
# app killer
function appkiller {
if grep $myapp /tmp/ps.log
then
mykiller
echo "killed because of $myapp"
appkill=`expr $appkill + 1`
fi
# think about it all
function mythinker {
# in peak time we run if you are the only user
# in off peak time we run even with other users
# unless that user is nong and so we kill later
# always kill if nong is on-line
if [ "$nong" = "nong" ]
then
echo "nong on-line so kill torrent"
mykiller
else
if [ "$mytime" = "offpeak" ]
then
echo "....off peak time. Let's run torrent"
myrunner
else
if [ $homeusers -le 1 ]
then
echo "....peak time and think only user is you so run torrent"
myrunner
else
echo "....peak time and other users on-line so kill torrent"
mykiller
fi
fi
fi
#end functions
#loop
while [ 1 ]
do
echo "start of loop"
# run the above functions and loop
checkingprocess
timechecker
mythinker
echo "done functions, will sleep"
sleep 20s
echo "end of loop"
done
#end loop
edit : improved
Last edited by tawan (2010-07-25 07:05:20)

Answer 1

QoS means Quality of Service.  Basically it reorders or delays packets depending on priority, so that time-sensitive packets always go first, and unimportant packets like bittorrent can be delayed until there is no other traffic being sent.  What I specifally was suggesting here is that your use it to lower the priority of bittorrent traffic, so that you can run it all the time but it only uses spare bandwidth that isn't being used by any other service.
The only catch most routers can only do QoS on inbound connections which is mainly helps latency and not download speeds.  However, if your router is running linux it may have that ability.  Also look for the 'tc' utility or maybe you can install trickle.
This thread has little bit more info.
Last edited by xenobrain (2010-07-20 14:11:50)