sysv.in2

来自「一个UNIX/LINUX下的基于内容的过滤服务器源代码」· IN2 代码 · 共 100 行

# File includes changes by Thomas Jarosch
function wait_for_pid()
{
    local PID=$1
    local RET=0
    
    if [ $PID -eq 0 ] ; then
        return $RET
    fi
    
    # give 60 secs then KILL
    local COUNTDOWN=60

    while [ -d /proc/${PID} ] && [ $COUNTDOWN -gt 0 ] ; do
        sleep 1
        COUNTDOWN=$[$COUNTDOWN-1]
    done

    if [ -d /proc/${PID} ]; then
        COMMAND=`ps h -o command ${PID}`
        logger "dansguardian: timeout waiting for PID ${PID}: ${COMMAND}; sending SIGKILL"
        kill -KILL $PID >/dev/null 2>&1
        RET=1
    fi
    
    return $RET
}

# See how we were called.

case "$1" in
start)
        if [ -f ${BINARYLOCATION}dansguardian ] &&
           [ -f ${CONFFILELOCATION}dansguardian.conf ]; then
                echo -n "Starting dansguardian: "
                if ${BINARYLOCATION}dansguardian 2> /dev/null; then
                        echo -e "\\033[60G\c"
                        echo -e "[ \\033[1;32m\c"
                        echo -e "OK\c"
                        echo -e "\\033[0;39m\c"
                        echo " ]"
                        [ -d /var/lock/subsys ] && touch /var/lock/subsys/dansguardian
                else
                        echo -e "\\033[60G\c"
                        echo -e "[ \\033[1;31m\c"
                        echo -e "FAILED\c"
                        echo -e "\\033[0;39m\c"
                        echo " ]"
                fi
        fi
        ;;
stop)
        echo -n "Shutting down dansguardian: "
        WAITPID=0
        if [ -f ${PIDDIR}dansguardian.pid ] ; then
            WAITPID=`cat ${PIDDIR}dansguardian.pid`
        fi
        if ${BINARYLOCATION}dansguardian -q 2> /dev/null; then
                if wait_for_pid $WAITPID ; then
                    echo -e "\\033[60G\c"
                    echo -e "[ \\033[1;32m\c"
                    echo -e "OK\c"
                    echo -e "\\033[0;39m\c"
                    echo " ]"
                else
                    echo -e "\\033[60G\c"
                    echo -e "[ \\033[1;31m\c"
                    echo -e "FAILED\c"
                    echo -e "\\033[0;39m\c"
                    echo " ]"
                fi
                /bin/rm -f ${PIDDIR}dansguardian.pid
                /bin/rm -f /tmp/.dguardianipc
                [ -d /var/lock/subsys ] && /bin/rm -f /var/lock/subsys/dansguardian
        else
                echo -e "\\033[60G\c"
                echo -e "[ \\033[1;31m\c"
                echo -e "FAILED\c"
                echo -e "\\033[0;39m\c"
                echo " ]"
        fi
        ;;
restart)
        $0 stop
        $0 start
        ;;
status)
        if [ -f ${BINARYLOCATION}dansguardian ]; then
                ${BINARYLOCATION}dansguardian -s
        fi
        ;;
        
*)

        echo "Usage: $0 {start|stop|restart|status}" >&2
        ;;
esac

exit 0