awips2/rpms/awips2.qpid/0.18/SOURCES/awips2-qpid

#!/bin/bash
#
# awips2-qpid   This script will start and stop the AWIPS II
#               Qpid instance.
# description: Qpid 0.18
# processname: qpid-server
# config: /awips2/qpid/etc/config.xml

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

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

_QPID_USER="awips"

_QPID_SERVER=qpid-server
_QPID_STOPALL=qpid.stopall

JAVA_INSTALL="/awips2/java"
QPID_INSTALL="/awips2/qpid"
_QPID_LOG_DIRECTORY="${QPID_INSTALL}/log"
if [ ! -d ${_QPID_LOG_DIRECTORY} ]; then
   mkdir -p ${_QPID_LOG_DIRECTORY}
   chown -R ${_QPID_USER}:fxalpha ${_QPID_LOG_DIRECTORY}
fi
_CURRENT_DATE=`date +"%Y%m%d"`
_START_QPID_LOG="${_QPID_LOG_DIRECTORY}/start-qpid-${_CURRENT_DATE}.log"

# default path
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# add AWIPS II java to the path
export JAVA_HOME=${JAVA_INSTALL}
export PATH=${JAVA_INSTALL}/bin:$PATH
export LD_LIBRARY_PATH=${JAVA_INSTALL}/lib
# add AWIPS II qpid to the path
export PATH=${QPID_INSTALL}/bin:$PATH
# set QPID_HOME
export QPID_HOME=${QPID_INSTALL}

function startQPID()
{
   # first, verify that qpid is not already running
   statusQPID > /dev/null 2>&1
   if [ $? -eq 0 ]; then
      echo "QPID is already running."

      statusQPID
      return 1   
   fi

   # qpid is not running
   # prepare to start qpid
   echo -n "Starting QPID"
   nohup su ${_QPID_USER} -c "/bin/bash ${_QPID_SERVER} >> ${_START_QPID_LOG} 2>&1" > /dev/null &
   if [ $? -ne 0 ]; then
      # failed to start the qpid server
      failure
      echo
      return 1
   fi

   # give qpid time to start
   sleep 10
   # verify that qpid has started and is still running
   statusQPID > /dev/null 2>&1
   if [ $? -eq 0 ]; then
      success
      echo
      return 0
   else
      failure
      echo
      return 1
   fi
}

function stopQPID()
{
   # first, verify that qpid is running
   statusQPID > /dev/null 2>&1
   if [ $? -ne 0 ]; then
      echo "QPID is not running."
      return 1
   fi

   # prepare to stop qpid
   echo -n "Stopping QPID"
   nohup su ${_QPID_USER} -c "/bin/bash ${_QPID_STOPALL}" > /dev/null 2>&1
   if [ $? -ne 0 ]; then
      failure
      return 1
   fi

   # give qpid time to stop
   sleep 10

   # verify that qpid has stopped
   statusQPID > /dev/null 2>&1
   if [ $? -eq 0 ]; then
      # the shutdown was not successful
      failure
      echo
      return 1
   else
      # the shutdown was was successful
      success
      echo
      return 0
   fi
}

function restartQPID()
{
   stopQPID
   if [ $? -ne 0 ]; then
      return 1
   fi
   startQPID
   return $?
}

function statusQPID()
{
   # attempt to retrieve the qpid pid from the process table
   pid=`ps aux | grep [j]ava\ -server\ -DPNAME=QPBRKR | grep [o]rg.apache.qpid.server.Main | awk '{print $2}'`
   if [ $? -ne 0 ]; then
      echo "Failed to determine the status of QPID!"
      return 1
   fi

   if [ "${pid}" = "" ]; then
      echo "QPID is not running."
      return 1
   else
      echo "QPID is running with pid ... ${pid}."
   fi

   return 0
}

# determine which command was executed
_command=${1}
case ${_command} in
   start)
      startQPID
      returnCode=$?
      ;;
   stop)
      stopQPID
      returnCode=$?
      ;;
   restart)
      echo "Restarting QPID"
      restartQPID
      returnCode=$?
      ;;
   status)
      statusQPID
      returnCode=$?
      ;;
   *)
      # display usage message
      echo "Usage: $0 {start|stop|restart|status}" 1>&2
      exit 1       
      ;;
esac

exit ${returnCode}