linux下tomcat service脚本

#!/bin/bash
#
# Startup script for the tomcat
#
# chkconfig: 345 80 15
# description: Tomcat is a Servlet+JSP Engine.

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

RETVAL=0

checkjava(){
        if [ -z "$JAVA_HOME" ]; then
                export JAVA_HOME=/usr/java/jdk1.5.0_15
        fi
}

start(){
        checkjava
        checkrun
        if [ $RETVAL -eq 0 ]; then
                echo "Starting tomcat"
                /usr/tomcat/bin/startup.sh
                touch /var/lock/subsys/tomcat
        else
                echo "tomcat allready running"
        fi
}

stop(){
        checkjava
        checkrun
        if [ $RETVAL -eq 1 ]; then
                echo "Shutting down tomcat"
                /usr/tomcat/bin/shutdown.sh
                #while [ $RETVAL -eq 1 ]; do
                        sleep 5
                        #checkrun
                #done
				rm -f /var/lock/subsys/tomcat
        else
                echo "tomcat not running"
        fi
}

checkrun(){
        ps ax --width=1000 | grep "[o]rg.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' | wc | awk '{print $2}' >/tmp/tomcat_process_count.txt
        read line < /tmp/tomcat_process_count.txt
        if [ $line -gt 0 ]; then
                RETVAL=1
                return $RETVAL
        else
                RETVAL=0
                return $RETVAL
        fi
}

status(){
        checkrun
        if [ $RETVAL -eq 1 ]; then
                echo -n "Tomcat ( pid "
                ps ax --width=1000 | grep "org.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}'
                echo -n ") is running..."
                echo
        else
                echo "Tomcat is stopped"
        fi
        echo "---------------------------------------------"
}

case "$1" in
start)
        start
        ;;
stop)
        stop
        ;;
restart)
        stop
        start
        ;;
status)
        status
        /usr/tomcat/bin/catalina.sh version
        ;;
*)
        echo "Usage: $0 {start|stop|restart|status}"
        esac

exit 0