python BitTornado P2P分发大文件

 #!/bin/bash

 #

 # Start/Stop murder-tracker

 #

 # description: murder-tracker

 # processname: murder-tracker

 if [ -f /etc/rc.d/init.d/functions ]; then

     . /etc/rc.d/init.d/functions

 fi

 name="murder-tracker"

 murder_tracker_bin="/usr/local/dist/murder_tracker.py"

 murder_tracker_log="/usr/local/dist/logs/murder_tracker.log"

 murder_tracker_data="/usr/local/dist/var/tracker_data"

 murder_user=murder

 find_tracker_process () {

     PID=`ps -ef | grep murder_tracker | grep python |grep -v $|grep -v grep|grep -v sh|grep -v root| awk '{ print $2 }'`

     echo $PID

 }

 start () {

     getent passwd $murder_user  >/dev/null || useradd -r  -s /sbin/nologin $murder_user

     LOG_DIR=`dirname ${murder_tracker_log}`

     DATA_DIR=`dirname ${murder_tracker_data}`

     if [ ! -d $LOG_DIR ]; then

       echo -e  "\e[35mLog dir ${LOG_DIR} doesn't exist. Creating\e[0m"

       mkdir -p $LOG_DIR

     fi

     if [ ! -d $DATA_DIR ]; then

       echo -e  "\e[35mLog dir ${DATA_DIR} doesn't exist. Creating\e[0m"

       mkdir -p $DATA_DIR

     fi

     chown -R $murder_user:$murder_user $DATA_DIR  $LOG_DIR

     find_tracker_process

     if [ "$PID" != "" ]; then

        echo -e  "\e[35m$name is already running!\e[0m"

     else

        daemon --user $murder_user  nohup  python $murder_tracker_bin --dfile $murder_tracker_data --logfile $murder_tracker_log > /dev/null >& &

        echo -e "\e[35mStarting $name Done\e[0m"

     fi

 }

 stop () {

     find_tracker_process

     if [ "$PID" != "" ]; then

         echo -e "\e[35mStopping $name\e[0m"

         kill $PID

     else

         echo -e "\e[35m$name is not running yet\e[0m"

     fi

 }

 case $ in

 start)

         start

         ;;

 stop)

         stop

         exit

         ;;

 restart)

         stop

         sleep

         start

         ;;

 status)

         find_tracker_process

         if [ "$PID" != "" ]; then

           echo -e "\e[35m$name is running: $PID\e[0m"

           exit

         else

           echo -e "\e[35m$name is not running\e[0m"

           exit

         fi

         ;;

 *)

         echo -e "\e[35mUsage: $0 {start|stop|restart|status}\e[0m"

         RETVAL=

 esac

 exit