ArcGIS Server on Linux自动启动机制

/etc/rc.d/rc0.d

/etc/rc.d/rc1.d

/etc/rc.d/rc3.d

/etc/rc.d/rc5.d

分别对应着0,1,3,5这几个运行级别，关于运行级别的官方解释如下（以红帽为例）：

# Default runlevel. The runlevels used by RHS are:
# 0 - halt (Do NOT set initdefault to this)
# 1 - Single user mode
# 2 - Multiuser, without NFS (The same as 3, if you do not have networking)
# 3 - Full multiuser mode
# 4 - unused
# 5 - X11
# 6 - reboot (Do NOT set initdefault to this)

在0,1,3,5这几个文件夹下面会找到“S99arcgisserver”文件，可见ArcGIS Server在服务器正常运行时都会随系统自动启动。

为了更详细的了解启动过程，我们来看一下文件内容：

#!/bin/sh
#
#chkconfig 35 99 01
### BEGIN INIT INFO
# Provides: arcgisserver
# Required-Start: $ALL
# Default-Start: 3 5 6
# Default-Stop: 0 1 2 4
# Description: ArcGIS Server Services
# Short-Description: ArcGIS Server
### END INIT INFO

installDir=/opt/arcgis/server10.0; export installDir
. ${installDir}/servercore/.Server/init_server.sh

LOG_FILE=${installDir}/servercore/.Server/AGSServer.log; export LOG_FILE

if [ -f ${installDir}/.Setup/agsowner ]; then
  agsowner=`cat ${installDir}/.Setup/agsowner`
else
  echo "ERROR: ArcGIS Server Setup has not executed properly.  Please re-install and try again"
  exit 0
fi

tmp_account=`id | cut -f2 -d\( | cut -f1 -d\)`
if [ "$tmp_account" != "$agsowner" ]; then
   same_account="false"
else
   same_account="true"
fi

rm -rf ${LOG_FILE}
if [ "$same_account" = "true" ]; then
  echo " " >> ${LOG_FILE}
  echo " " >> ${LOG_FILE}
  echo "Script invoked on `date`" >> ${LOG_FILE}
fi

issom=`grep SOM_INSTALLED ${installDir}/.Setup/install.properties | cut -f 2 -d "="`
if [ "$issom" = "true" ]; then
  cmdToRun=${installDir}/servercore/.Server/serverobjectmanager
else
  cmdToRun=${installDir}/servercore/.Server/serverobjectcontainer
fi

case "$1" in 
  'start')
    echo "Starting ArcGIS Server..."
    if [ "$same_account" != "true" ]; then 
      if [ "$tmp_account" != "root" ]; then
      echo "Enter password for $agsowner"
      fi
      su - $agsowner -c "/bin/sh -c \"${cmdToRun} start\""
    else
      /bin/sh -c "${cmdToRun} start" 
    fi
;;

  'stop')
    echo "Stopping ArcGIS Server..."
    if [ "$same_account" != "true" ]; then
      if [ "$tmp_account" != "root" ]; then
      echo "Enter password for $agsowner"
      fi
      su - $agsowner -c "/bin/sh -c \"${cmdToRun} stop\""
    else
      /bin/sh -c "${cmdToRun} stop" 
    fi
;;
esac

 首先验证是否为ArcGIS Server所有者用户，如果是以所有者或root用户登录系统，会自动启动ArcGIS Server；如果以其他用户登录系统，会提示要求输入所有者用户的密码。然后根据系统是否安装soc，执行启动。