Init script for mixmaster

mixmaster

#!/bin/bash
#
#       /etc/rc.d/init.d/mixmaster
#
#       Start/Stop mixmaster server
#       
# chkconfig: 2345 80 20
# description: mixmaster is a game server
# processname: 1
# processname: 2
# processname: 3
# pidfile:     /var/run/mixmaster.pid
### BEGIN INIT INFO
# Provides:             mixmaster
# Required-Start:       $remote_fs $syslog $httpd $mysqld
# Required-Stop:        $remote_fs $syslog $httpd $mysqld
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Start/Stop mixmaster server
### END INIT INFO

# Source function library.
. /etc/init.d/functions

set -e
PIDFILE=/var/run/mixmaster.pid

magenta=`tput setaf 5`  # ${magenta}
cyan=`tput setaf 6`   # ${cyan}
blue=`tput setaf 4`   # ${blue}
green=`tput setaf 2`  # ${green}
red=`tput setaf 1`    # ${red}
nocolor=`tput sgr0`   # ${nocolor}

start() {
        if [ `pidof ./{1,2,3}|wc -w` != 0 ]; then
            echo "${red}Error${nocolor}: mixmaster is still running. You can use ${cyan}/etc/init.d/mixmaster stop ${nocolor}to stop it, or ${cyan}/etc/init.d/mixmaster force-stop ${nocolor} to kill it if ${cyan}stop${nocolor} does not work."
            exit 100
        fi
        echo "${magenta}Starting mixmaster:${nocolor}"
        cd /home/server/lgs/ && ./1 &
        cd /home/server/gms/ && ./2 &
        cd /home/server/zs1/ && ./3 &
        pidof ./{1,2,3} > $PIDFILE
        exit 0
}

stop() {
        echo "${magenta}Shutting down mixmaster:${nocolor}"
        kill `cat $PIDFILE`
        echo "" > $PIDFILE
        if [ `pidof ./{1,2,3}|wc -w` > 0 ]; then
            echo "${red}Error${nocolor}: mixmaster is still running. You can use ${cyan}/etc/init.d/mixmaster stop ${nocolor}to stop it, or ${cyan}/etc/init.d/mixmaster force-stop ${nocolor} to kill it if ${cyan}stop${nocolor} does not work."
            exit 1
        else
            exit 0
        fi
}

force-stop() {
        echo "${red}Forcing shutting down mixmaster:${nocolor}"
        kill -9 `pidof ./{1,2,3}`
        echo "" > $PIDFILE
        exit 0
}

status() {
        echo "${magenta}Checking nb of process runnings for mixmaster:${nocolor}"
        nbprocess=`pidof ./{1,2,3} | wc -w`
        if [ $nbprocess != 3 ]; then
            echo "${red}Error${nocolor}: bad number of process:${cyan}" $nbprocess ${nocolor}
            exit 3
        else
            echo "${green}OK${nocolor}: found${cyan}" $nbprocess "${nocolor}process"
        fi
        echo "${magenta}Checking integrity of process runnings for mixmaster:${nocolor}"
        grep "`pidof ./{1,2,3}`" $PIDFILE && echo "${green}Process integrity OK${nocolor}" || (echo "${red}Something went wrong. You should manually check this.${nocolor}" exit 3)
        echo "${magenta}Checking process runnings for mixmaster:${nocolor}"
        checkpid `cat $PIDFILE` && echo "${green}All process are runnings${nocolor}" || (echo "${red}Something went wrong. You should manually check this.${nocolor}" exit 3)
        exit 0
        
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    force-stop|kill)
        force-stop
        ;;
    status)
        status
        ;;
    restart|reload)
        stop
        start
        ;;

    *)
        echo "Usage: /etc/init.d/mixmaster {start|stop|status|restart|force-stop"
        exit 1
        ;;
esac