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squid启动脚本

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squid启动脚本:

#!/bin/bash

# squid         This shell script takes care of starting and stopping #               Squid Internet Object Cache # # chkconfig: - 90 25 # description: Squid - Internet Object Cache. Internet object caching is \ #       a way to store requested Internet objects (i.e., data available \ #       via the HTTP, FTP, and gopher protocols) on a system closer to the \ #       requesting site than to the source. Web browsers can then use the \ #       local Squid cache as a proxy HTTP server, reducing access time as \ #       well as bandwidth consumption. # #Creation_date=2011-10-31 #pidfile=/usr/local/squid/var/run/squid.pid #config=/etc/squid.conf #Author=ftqzy #Modified=2011-10-31 #Version=1.0   PATH=/usr/bin:/sbin:/bin:/usr/sbin export PATH   # Source function library. . /etc/rc.d/init.d/functions   # Source networking configuration. . /etc/sysconfig/network   # don't raise an error if the config file is incomplete # set defaults instead: SQUID_OPTS=${SQUID_OPTS:-"-D"} SQUID_PIDFILE_TIMEOUT=${SQUID_PIDFILE_TIMEOUT:-20} SQUID_SHUTDOWN_TIMEOUT=${SQUID_SHUTDOWN_TIMEOUT:-100}   squid=/usr/local/squid/sbin/squid squid_config=/etc/squid.conf squid_pid=/usr/local/squid/var/run/squid.pid   # determine the name of the squid binary [ -f $squid ] && prog="squid"   # determine which one is the cache_swap directory CACHE_SWAP=`sed -e 's/#.*//g' $squid_config | grep cache_dir |  awk '{ print $3 }'`   [ -z "$CACHE_SWAP" ] && CACHE_SWAP=/cache   RETVAL=0   start() { if [ ! -f $squid_config ]; then    echo "Configuration file $squid_config missing" 1>&2             exit 6         fi if [ -z "$squid" ]; then                 echo "Insufficient privilege" 1>&2                 exit 4         fi for adir in $CACHE_SWAP; do if [ ! -d $adir/00 ]; then     echo -n "init_cache_dir $adir... "     $squid -z -f $squid_config >> /var/log/squid/cache.log fi done echo -n $"Starting $prog: " $squid $SQUID_OPTS -s -f $squid_config >> /var/log/squid/cache.log 2>&1 RETVAL=$? if [ $RETVAL -eq 0 ]; then       timeout=0;       while : ; do  [ ! -f $squid_pid ] || break  if [ $timeout -ge $SQUID_PIDFILE_TIMEOUT ]; then     RETVAL=1     break  fi  sleep  timeout=$((timeout+1))       done fi [ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog [ $RETVAL -eq 0 ] && echo_success [ $RETVAL -ne 0 ] && echo_failure echo return $RETVAL }   stop() { echo -n  $"Stopping $prog: " $squid -k check -f $squid_config >> /var/log/squid/cache.log 2>&1 RETVAL=$? if [ $RETVAL -eq 0 ] ; then $squid -k shutdown -f $squid_config & rm -f /var/lock/subsys/$prog timeout=0 while : ; do [ -f $squid_pid ] || break if [ $timeout -ge $SQUID_SHUTDOWN_TIMEOUT ]; then    echo    return 1 fi sleep 2  timeout=$((timeout+2)) done echo_success echo else echo_failure if [ ! -e /var/lock/subsys/$prog ]; then RETVAL=0 fi echo fi     return $RETVAL }   reload() {     $squid -k reconfigure -f $squid_config     echo -n  $"reload_config $prog: "     echo_success     echo }   restart() {     stop     sleep 5     start }   condrestart() {     [ -e /var/lock/subsys/squid ] && restart || : }   rhstatus() {     status $squid && $squid -k check -f $squid_config }   probe() {     return 0 }   case "$1" in start)     start     ;;   stop)     stop     ;;   reload)     reload     ;;   restart)     restart     ;;   condrestart)     condrestart     ;;   status)     rhstatus     ;;   probe)     exit 0     ;;   *)     echo $"Usage: $0 {start|stop|status|reload|restart|condrestart}"     exit 2 esac   exit $?

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