3 # Control script for starting or stopping an rrqnet virtual cable via
4 # ifup/ifdown. To use this, you need firstly to links to this script
5 # set up as /etc/network/if-pre-up.d/rrqnet and
6 # /etc/network/if-down.d/rrqnet. Secondly, you need a stanza in
7 # /etc/network/interfaces for the cabling tap and its associated
8 # configuration settings.
10 # "rrqnet name" is the primary stanza key, which result in
11 # a creation of a tap by that name, supported by an rrqnet plug
12 # according to the setup in /etc/rrqnet/conf.d/name.conf
14 #echo '===========' >> /tmp/FOO
17 # Verify that it's an rrqnet stanza
18 [ -z "$IF_RRQNET_PORT" ] && exit 0
20 # An rrqnet stanza may have the following settings:
22 # rrqnet_remote <remote declaration>
23 # rrqnet_options <options>
24 # rrqnet_log <level> <pathname>
25 # rrqnet_bridge <bridge>
27 : ${RRQDAEMON:=/usr/local/sbin/rrqnet}
28 : ${NAME:=rrqnet-${IFACE}}
31 configure_tap_bridge() {
32 [ -z "$IF_RRQNET_BRIDGE" ] && return 0
33 brctl show $IF_RRQNET_BRIDGE | grep -wq $IFACE && return 0
34 brctl addif $IF_RRQNET_BRIDGE $IFACE
39 ( ip link show $IFACE 2>/dev/null || ip tuntap add $IFACE mode tap ) | \
40 grep -q "state UP" || ip link set dev $IFACE up
44 start_cable_pre_up() {
45 configure_tap_up || return 1
46 configure_tap_bridge || return 1
47 if [ -z "$IF_RRQNET_LOG" ] ; then
48 daemon -U -r -n $NAME -- \
49 $RRQDAEMON $IF_RRQNET_OPTIONS \
50 -t $IFACE $IF_RRQNET_PORT $IF_RRQNET_REMOTE
52 daemon -U -r -n $NAME -E "${IF_RRQNET_LOG#* }" -- \
53 $RRQDAEMON ${IF_RRQNET_LOG%% *} $IF_RRQNET_OPTIONS \
54 -t $IFACE $IF_RRQNET_PORT $IF_RRQNET_REMOTE
59 stop_cable_post_down() {
60 daemon -n $NAME --stop
65 case "$MODE-$PHASE" in
66 start-pre-up) start_cable_pre_up ;;
69 stop-post-down) stop_cable_post_down ;;