service

#! /bin/sh
#
# Copyright (C) 2013 AAA, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
### BEGIN INIT INFO
# Provides:          provider
# Required-Start:    $network $named $remote_fs $syslog
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: sample service script
### END INIT INFO

NAME=floodlight
test -e /etc/default/$NAME && . /etc/default/$NAME

PIDFILE=/var/run/$NAME.pid
COMMAND="/usr/bin/echo $NAME" #The command to be run
PNAME="$COMMAND" #The process name to be searched
#BASEDIR=

#exec su - ${RUN_AS_USER} -s /bin/bash -c "cd ${BASEDIR}; exec ${COMMAND} 2>&1 | /usr/bin/logger -t $NAME -p user.info"

start () {
    pid=`ps aux |grep "$PNAME" |grep -v "grep"| awk '{print $2}'`
    if [ -n "$pid" ]; then
        echo "start: Job is already running, process $pid"
        if [ -e $PIDFILE ]; then
            [ $pid != `cat $PIDFILE` ] && echo $pid > $PIDFILE
        else
            echo $pid > $PIDFILE
        fi
        exit 0
    fi
    echo -n "starting"
    #start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_OPTS
    ${COMMAND} 2>&1 | /usr/bin/logger -t $NAME -p user.info &
    #su - ${RUN_AS_USER} -s /bin/bash -c "cd ${BASEDIR}; ${COMMAND} 2>&1 | /usr/bin/logger -t $NAME -p user.info &"
    for i in 1 2 3 4 5 6 7
    do
        echo -n "."
        sleep 1
    done
    pid=`ps aux |grep "$PNAME" |grep -v "grep"| awk '{print $2}'`
    echo $pid > $PIDFILE
    echo "..done"
    sleep 1
    echo "$NAME start/running, process $pid"
}

stop () {
    pid=`ps aux |grep "$PNAME" |grep -v "grep"| awk '{print $2}'`
    if [ -z "$pid" ]; then
        echo "stop: Unknown instance, service is not runing."
        ps aux |grep "$PNAME" |grep -v "grep"| awk '{print $2}'|xargs kill -9 2>&1| /usr/bin/logger -t $NAME -p user.info
    else
        kill -9 $pid 2>&1| /usr/bin/logger -t $NAME -p user.info
        [ -e $PIDFILE ] && rm -f $PIDFILE
        echo "$NAME stop/waiting"
    fi
}

status () {
    pid=`ps aux |grep "$PNAME" |grep -v "grep"| awk '{print $2}'`
    [ -n "$pid" ] && echo "$NAME start/running, process $pid" || echo "$NAME stop/waiting"
}

case $1 in
    start)
        start
        ;;
    stop | force-stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    status)
        status
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|status|force-stop}" >&2
        exit 1
        ;;
esac

exit 0