#!/bin/bash

# Unfortunately, Mininet and OpenFlow don't always clean up
# properly after themselves. Until they do (or until cleanup
# functionality is integrated into the python code), this
# script may be used to get rid of unwanted garbage. It may
# also get rid of "false positives", but hopefully nothing
# irreplaceable!

echo "Removing all links of the pattern foo-ethX"

for f in `ip link show | egrep -o '(\w+-eth\w+)' ` ; do  
  cmd="ip link del $f"
  echo $smd
  $cmd
done

echo "Removing excess controllers/ofprotocols/ofdatapaths/pings"
killall -9 controller ofprotocol ofdatapath ping 2> /dev/null

echo "Removing excess kernel datapath processes"
ps ax | egrep -o 'dp[0-9]+' | sed 's/dp/nl:/' | xargs -l1 echo dpctl deldp 

echo "Removing junk in /tmp"
rm -f /tmp/vconn* /tmp/vlogs* /tmp/*.out /tmp/*.log

echo "Removing old screen sessions"
screen -ls | egrep -o '[0-9]+\.[hsc][0-9]+' | sed 's/\.[hsc][0-9]*//g' | kill -9