core-extra/package/core-daemon

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#!/bin/sh
### BEGIN INIT INFO
# Provides: core-daemon
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start the core-daemon CORE daemon at boot time
# Description: Starts and stops the core-daemon CORE daemon used to
# provide network emulation services for the CORE GUI
# or scripts.
### END INIT INFO
#
# chkconfig: 35 90 03
# description: Starts and stops the CORE daemon \
# used to provide network emulation services.
#
# config: /etc/core/
. /opt/core/service
NAME=`basename $0`
PIDFILE="/var/$NAME.pid"
LOG="/var/log/$NAME.log"
CMD="$DAEMON"
get_pid() {
cat "$PIDFILE"
}
is_alive() {
[ -f "$PIDFILE" ] && ps -p `get_pid` > /dev/null 2>&1
}
corestart() {
if is_alive; then
echo "$NAME already started"
else
echo "starting $NAME"
$CMD 2>&1 >> "$LOG" &
fi
echo $! > "$PIDFILE"
if ! is_alive; then
echo "unable to start $NAME, see $LOG"
exit 1
fi
}
corestop() {
if is_alive; then
echo -n "stopping $NAME.."
kill `get_pid`
for i in 1 2 3 4 5; do
sleep 1
if ! is_alive; then
break
fi
echo -n "."
done
echo
if is_alive; then
echo "not stopped; may still be shutting down"
exit 1
else
echo "stopped"
if [ -f "$PIDFILE" ]; then
rm -f "$PIDFILE"
fi
fi
else
echo "$NAME not running"
fi
}
corerestart() {
corestop
corestart
}
corestatus() {
if is_alive; then
echo "$NAME is running"
else
echo "$NAME is stopped"
exit 1
fi
}
case "$1" in
start)
corestart
;;
stop)
corestop
;;
restart)
corerestart
;;
force-reload)
corerestart
;;
status)
corestatus
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
esac
exit $?