Added the ipfw init script.

[ipfw.git] / planetlab / ipfw

diff --git a/planetlab/ipfw b/planetlab/ipfw
new file mode 100755 (executable)
index 0000000..adec18f
--- /dev/null
+++ b/planetlab/ipfw
@@ -0,0 +1,85 @@
+#!/bin/sh
+#
+# ipfw init the emulation service
+#
+# chkconfig: 2345 09 91
+# description: ipfw init and shutdown
+#
+
+# Source function library.
+. /etc/init.d/functions
+
+IPFW=ipfw
+IPFW_BACKEND=/vsys/ipfw-be
+IPFW_MOD=ipfw_mod
+
+if [ ! -x /sbin/$IPFW ] || [ ! -x ${IPFW_BACKEND} ]; then
+    echo -n "/sbin/$IPFW does not exist."; warning; echo
+    exit 0
+fi
+
+# Load the ipfw module, and initialize netconfig
+start() {
+       # load the module
+       modprobe $IPFW_MOD > /dev/null 2> /dev/null
+       let ret=$?;
+        [ $ret -eq 0 ] && success || failure
+
+       # init netconfig
+       echo "super dbcleanup" | ${IPFW_BACKEND} root > /dev/null 2> /dev/null
+       echo "super init" | ${IPFW_BACKEND} root > /dev/null 2> /dev/null
+
+       return $ret
+}
+
+stop() {
+       # clean netconfig stuff
+       echo "super dbcleanup" | ${IPFW_BACKEND} root > /dev/null 2> /dev/null
+       echo "Unloading $IPFW_MOD module: "
+
+       # unload the ipfw module
+       rmmod ${IPFW_MOD}
+       let ret=$?;
+       [ $ret -eq 0 ] && success || failure
+
+       return $ret
+}
+
+# echo the ipfw status
+status() {
+       # check for module presence
+       LOADED=`cat /proc/modules | grep ^ipfw_mod`
+       [ ! -n "$LOADED" ] && echo "ipfw not loaded" && return 0
+
+       # Show active users
+       USERS=`cat /tmp/ff | grep BLOCK | wc -l`
+       echo "ipfw is loaded and there are currently ${USERS} with active emulation."
+       return 0
+}
+
+# main
+case "$1" in
+    start)
+       start
+       RETVAL=$?
+       ;;
+    stop)
+       stop
+       RETVAL=$?
+       ;;
+    restart)
+       stop
+       start
+       RETVAL=$?
+       ;;
+    status)
+       status
+       RETVAL=$?
+       ;;
+    *)
+       echo $"Usage: $0 {start|stop|restart|status}"
+       exit 1
+       ;;
+esac
+
+exit $RETVAL