#!/bin/tcsh
#
# chkconfig: - 98 98
# description: update sectors 33 & 34 EPICS data to RRD data files
#
# processname: epics2rrd

########### SVN repository information ###################
# $Date: 2011-01-18 23:24:51 +0000 (Tue, 18 Jan 2011) $
# $Author: jemian $
# $Revision: 235 $
# $HeadURL$
# $Id: epics2rrd.csh 235 2011-01-18 23:24:51Z jemian $
########### SVN repository information ###################

if (`uname -n` == "ipnspool3.xor.aps.anl.gov") then
   /bin/echo "Support does not run on this host now"
   exit
endif

# preferred EPICS paths
setenv EPICS_BASE /APSshare/epics/base-3.14.11
setenv BIN_PATH ${EPICS_BASE}/bin/solaris-x86-v10
setenv LD_LIBRARY_PATH ${EPICS_BASE}/lib/solaris-x86-v10
# make sure our preferred EPICS paths are visited early
setenv PATH ${BIN_PATH}:${PATH}
setenv PATH ${LD_LIBRARY_PATH}:${PATH}

# local install of Matt Newville's EpicsCA (Python binding) for EPICS Channel Access
setenv EPICS_CA_MAX_ARRAY_BYTES 140000
setenv PYTHONPATH ~/lib/lib/python
setenv PYTHON  /usr/local/bin/python

# RRD resources
setenv RRD_LOGS_BASE_DIR /home/joule/WEB33/www/rrd
setenv SCRIPT  ${RRD_LOGS_BASE_DIR}/epics2rrd.py
setenv LOGFILE ${RRD_LOGS_BASE_DIR}/epics2rrd.log
setenv PIDFILE ${RRD_LOGS_BASE_DIR}/epics2rrd.pid

setenv SNAME $0
setenv SELECTION $1

/bin/echo "#${SNAME} ${SELECTION} (enter)======================================="  >>& ${LOGFILE}
/bin/echo "# date: `date`"  >>& ${LOGFILE}
/bin/echo "# env: `env`"  >>& ${LOGFILE}
/bin/echo "# path: ${PATH}"  >>& ${LOGFILE}
/bin/echo "#${SNAME} <${SELECTION}> +++++++++++++++++++++++++++++++++++++++"  >>& ${LOGFILE}

switch (${SELECTION})
  case "start":
        ${PYTHON} ${SCRIPT} >>& ${LOGFILE} &
        setenv PID $!
	/bin/rm ${PIDFILE}
        /bin/echo ${PID} > ${PIDFILE}
        /bin/echo "# started ${PID}: ${PYTHON} ${SCRIPT}"
        breaksw
  case "stop":
        setenv PID `/bin/cat ${PIDFILE}`
        /bin/ps -p ${PID} > /dev/null
        setenv NOT_EXISTS $?
        if (${NOT_EXISTS}) then
             /bin/echo "# not running ${PID}: ${SCRIPT}"
        else
             kill ${PID}
             /bin/echo "# stopped ${PID}: ${SCRIPT}"
        endif
        breaksw
  case "restart":
        ${SNAME} stop >>& ${LOGFILE}
        ${SNAME} start >>& ${LOGFILE}
        breaksw
  default:
        /bin/echo "Usage: ${SNAME} {start|stop|restart}"
        /bin/echo "Usage: ${SNAME} {start|stop|restart}" >>& ${LOGFILE} &
        breaksw
endsw
/bin/echo "#${SNAME} ${SELECTION} (exit)======================================="  >>& ${LOGFILE}