Created
July 13, 2009 22:46
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Script for Tomato Firmware based routers to detect Virgin Media (UK) traffic shaping, then trigger events such as LED switching and backend calling (e.g To Twitter)
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| #! /bin/sh | |
| PINGHOST="212.58.226.77" # BBC news | |
| THROTTLEFILE="/tmp/throttlestate" | |
| PINGTIME=`ping -c 5 -q $PINGHOST | grep ^round | cut -d "/" -f 4 | cut -d "." -f 1` | |
| WASTHROTTLED=`cat $THROTTLEFILE` | |
| PINGISGT=`expr $PINGTIME \> 100` | |
| if [ $PINGISGT -eq 1 ]; then | |
| echo "I think I'm throttled (with a ping of $PINGTIME ms)" | |
| THROTTLESTATE="yes" | |
| else | |
| echo "I'm probably not throttled (with a ping of $PINGTIME ms)" | |
| THROTTLESTATE="no" | |
| fi | |
| echo $THROTTLESTATE > $THROTTLEFILE | |
| if [ $THROTTLESTATE == $WASTHROTTLED ]; then | |
| echo "No state change detected, no action required." | |
| if [ $THROTTLESTATE == "yes" ]; then | |
| echo "We are throttled however..." | |
| led amber on | |
| else | |
| led amber off | |
| fi | |
| else | |
| echo "State change detected $WASTHROTTLED => $THROTTLESTATE" | |
| wget -O /dev/null http://some.host.net/backend/$THROTTLESTATE.php?throttled=$PINGTIME | |
| fi |
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