################################################
kill_tcp_connections() {
_IP="$1"
+
+ _oneway=false
+ if [ "$2" = "oneway" ] ; then
+ _oneway=true
+ fi
+
_failed=0
_killcount=0
echo "Killing TCP connection $src $dest"
ctdb killtcp $src $dest >/dev/null 2>&1 || _failed=1
_destport="${dest##*:}"
- __oneway=false
+ __oneway=$_oneway
case $_destport in
# we only do one-way killtcp for CIFS
139|445) __oneway=true ;;
##################################################################
# kill off the local end for any TCP connections with the given IP
##################################################################
-kill_tcp_connections_local_only() {
- _IP="$1"
- _failed=0
-
- _killcount=0
- connfile="$CTDB_VARDIR/state/connections.$_IP"
- mkdir -p "${connfile%/*}" # dirname
- netstat -tn |egrep "^tcp.*[[:space:]]+$_IP:.*ESTABLISHED" | awk '{print $4" "$5}' > $connfile
- netstat -tn |egrep "^tcp.*[[:space:]]+::ffff:$_IP:.*ESTABLISHED" | awk '{print $4" "$5}' >> $connfile
-
- while read dest src; do
- echo "Killing TCP connection $src $dest"
- ctdb killtcp $src $dest >/dev/null 2>&1 || _failed=1
- _killcount=`expr $_killcount + 1`
- done < $connfile
- rm -f $connfile
-
- [ $_failed = 0 ] || {
- echo "Failed to send killtcp control"
- return;
- }
- [ $_killcount -gt 0 ] || {
- return;
- }
- _count=0
- while netstat -tn |egrep "^tcp.*[[:space:]]+$_IP:.*ESTABLISHED" > /dev/null; do
- sleep 1
- _count=`expr $_count + 1`
- [ $_count -gt 3 ] && {
- echo "Timed out killing tcp connections for IP $_IP"
- return;
- }
- done
- echo "killed $_killcount TCP connections to released IP $_IP"
+kill_tcp_connections_local_only()
+{
+ kill_tcp_connections "$1" "oneway"
}
##################################################################