#!/bin/bash
#
# $Id$
# $HeadURL$
#
# RUN_PERIOD and RAWDATA_DIR environment variables are set in the file
# /gluex/etc/hdonline.cshrc 
# 
# CODA will write files to:
#
#    $RAWDATA_DIR/active/$RUN_PERIOD/rawdata/RunXXXXXX
#
# where "XXXXXX" is the zero padded run number. Other files
# related to the run are also placed in this directory. 
# Some details on the strategy here are given in:
#
# https://halldweb1/wiki/index.php/Raid-to-Silo_Transfer_Strategy
#
#---- jcedit --------
#  %(DAQ_HOME)/scripts
#  run_prestart %(rn)  %(udl)  %(config) %(rt)
#  run_go       %(rn)  %(udl)  %(config) %(rt)
#  run_end      %(rn)  %(udl)  %(config) %(rt)
#===========================================================================================

# !!!!!!!!  STD in/out is not allowed in this script !!!!!!
STDO=/tmp/${USER}_PRE.$1
exec >$STDO 2>&1

date                               
echo "----- > run_prestart ENTER  host=$HOST <---- "

#source /gluex/etc/hdonline.cshrc
ENV_RAWDATA_DIR=`awk '/RAWDATA_DIR/ {printf "%s %s=%s\n",$1,$2,$3 }' /gluex/etc/hdonline.cshrc | grep setenv | sed s/setenv/export/g `
ENV_RUN_PERIOD=`awk '/RUN_PERIOD/ {printf "%s %s=%s\n",$1,$2,$3 }' /gluex/etc/hdonline.cshrc | grep setenv | sed s/setenv/export/g  | sed s/\"//g`
$ENV_RAWDATA_DIR
$ENV_RUN_PERIOD
echo "ENV_RAWDATA_DIR=$ENV_RAWDATA_DIR  : $RAWDATA_DIR " 
echo "ENV_RUN_PERIOD=$ENV_RUN_PERIOD    : $RUN_PERIOD"  

UDL=$2

CONFIG_FILE=$3
source run_lib.sh
CONFIG_DIR=`dirname $CONFIG_FILE `
ER_name=ERsoftROC
get_host $ER_name ER_host

#---------------------------------------
get_host USE_LOCAL USE_LOCAL_SCRIPT
echo " USE_LOCAL = $USE_LOCAL_SCRIPT "
if [ $USE_LOCAL_SCRIPT = "yes" ]; then
 echo "exec: ssh $ER_host run_prestart.local $* "
 ssh  $ER_host "run_prestart.local '$1' '$2' '$3'  '$4' '$5' "
 exit $?
fi
#-------- delete everything below this line later  --------------!!

# Keep in sync with run_end !
get_host MONITOR_HOST MONITOR_START_HOST

# n.b. monitoring is turned on/off in the "hosts" file
get_host MONITOR  MONITOR_START
echo "start MONITOR = $MONITOR_START"

#===========================================================================================
RCM_HOST=gluon25
RCM_PORT=32767
RCM_LOG=/dev/tcp/${RCM_HOST}/${RCM_PORT}
RCM_LOG_FILE=$DAQ_HOME/../work/rcm_rc.log
#-------------------------------------------------------------------------------------------
function rcm_log() {
    echo -e " $1 $2 "
#   cMsgCommand -u cMsg://gluon100:45000/cMsg/$EXPID  -name run_prestart -subject Prestart -type DAQ -text "$1"     -string severity=$2
    [ -n "$RCM_LOG" ] && echo -e "msg:GUI_runconf prestart:: $1 " > $RCM_LOG
    [ -n "$UDL" ] && cMsgCommand -u $UDL  -name run_prestart -subject Prestart -type DAQ -text "$1"  -string severity=$2  2>&1 > /tmp/${USER}_cMsgCommand
    echo -e "`date` :run_pre::  $2: $1 " >> $RCM_LOG_FILE
}

rcm_log " script = $0 " "INFO"

rcm_log "Run=$1 user=$USER `date` UDL=$2 config=$3  4=$4 5=$5 " "INFO"


if [ "$#" -lt 1 ]; then
  echo "You must provide a run number!"   
  echo ""                               
  echo "Usage:"                         
  echo "   run_prestart RUN"             
  echo ""                                
  exit -1
fi

export RUN=$(printf '%06d' $1) 

#===========================================================================================
#      DAQ TEST MODE
#
if [ x$DAQMODE == "xtest" ] ; then
    rcm_log "WARN: DAQMODE=$DAQMODE " "WARN"
    exit 0
fi

#===========================================================================================
#      any other accounts ..
#
if [ $USER != "hdops" ] ; then
    which run_log.sh
    run_log.sh "PRESTART" $RUN $CONFIG_FILE
    exit 0
fi

#===========================================================================================
#            HDOPS account only ...
#-------------------------------------------------------------------------------------------


#-------------------------------------------------------------------------------------------
# Record run configuration to database and copy files to RAID
# disk so they can be copied to tape library
#-------------------------------------------------------------------------------------------

rcm_log "run_log.sh "  "INFO"

which run_log.sh 
run_log.sh "PRESTART" $RUN  $CONFIG_FILE 

rcm_log "start epics and monitoring "  "INFO"

#-------------------------------------------------------------------------------------------
#         start epics2et 
# Moved to run_go on 1/16/2018. See comments there for details. David L.
#-------------------------------------------------------------------------------------------
#${DAQ_HOME}/scripts/run_epics2et

#-------------------------------------------------------------------------------------------
#         run atm_pressure_monitor.py
#    (also runs from cron in hdops@gluon47)
#-------------------------------------------------------------------------------------------
apm=/gluex/builds/devel/Linux_RHEL7-x86_64-gcc5.3.0/bin/atm_pressure_monitor.py
[ -x ${apm} ] && ${apm} PRESTART

#-------------------------------------------------------------------------------------------
#         start online monitoring system 
#-------------------------------------------------------------------------------------------

if [ $MONITOR_START = "yes" ]; then

# The check on start_monitoring being in the PATH is
# unusable since we split the compiler and thus BMS_OSNAME
# for gluon0X and gluon4X. The DAQ system is sometimes started
# from say, gluon05 which uses gcc4.4.7. The online software
# cannot compile with this so start_monitoring does not get
# installed for that platform. Thus, we ssh to a gluon4X computer
# to run it. I hate disabling this check, but we need to for
# the moment to get this working. The whole control system vs.
# online system needs an overhaul.

#sm=`which start_monitoring`
#ERR=$?
#if [ $ERR != 0 ]; then 
#    rcm_log "ERROR: start_monitoring not found! code=$ERR " "ERROR"
#    rcm_log "== Online monitoring must be started by hand!! ==" "ERROR"
#else
#    if [ -x $sm ]; then
	sm=start_monitoring
	rcm_log "Running $sm on $MONITOR_START_HOST" "INFO"
	echo "====================== Online Monitoring Starting ======================"
	echo "** Stopping any pre-existing monitoring processes first ..."
	echo ssh $MONITOR_START_HOST $sm -R$1 -A -T -AI -e
	ssh $MONITOR_START_HOST $sm -R$1 -A -T -AI -e
	echo "- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"
	echo "** Clearing corrupt data flag HD:coda:DataCorrupt"
	corrupt_data_alarm_clear
	echo "- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"
	echo "** Starting monitoring processes ..."
	echo ssh $MONITOR_START_HOST $sm -R$1 -A -T -AI
	ssh $MONITOR_START_HOST $sm -R$1 -A -T -AI &
	echo "========================================================================" 
#    fi
#fi
else 
    rcm_log "do not start Monitoring"  "WARN"
fi


#-------------------------------------------------------------------------------------------
# Set the HD:coda:daq:cdc_used EPICS variable to reflect
# whether the CDC is part of the current CODA readout.
# This is used to mask alarms on the atmospheric pressure
# difference so that the alarm is only possible if the CDC
# is being read. The logic that uses this is implemented by
# Hovanes in an IOC.
#
# Set the value to 0 so that the alarm is masked in case we
# are unable to get the relevant information for any reason.
caput HD:coda:daq:cdc_used 0

# Get the current CODA configuration
CODA_RUN_TYPE=`plask -h localhost -n hdops -c:art,hdops`
if [ $? -eq 0 ] ; then 
  
	if [[ "$CODA_RUN_TYPE" == *"Error:"* ]] ; then
		# plask prints errors, but always returns 0. Thus we have to
		# explicitly check the output for the string "Error:"
		rcm_log "CDC readout check: Error getting CODA Run type from plask -h localhost -n hdops -c:art,hdops " "INFO"
	else
		rcm_log "CDC readout check: checking CODA components for $CODA_RUN_TYPE " "INFO"

		# Get the list of CDC components in the CODA configuration
		CDC_COMPONENTS=`plask -h gluon41 -n hdops -c:scs,${CODA_RUN_TYPE} | grep ROCCDC`

		# Check if the list is not empty
		if (( $(grep -c . <<<"$CDC_COMPONENTS") > 1 )); then
			# At least one CDC ROC is in the current readout configuration
			caput HD:coda:daq:cdc_used 1
		fi
	fi
else
	rcm_log "CDC readout check: Failed to get current CODA run type " "INFO"
fi
#-------------------------------------------------------------------------------------------

#-------------------------------------------------------------------------------------------
#         start AIEC_CDC.py 
#
#  This script is used to modify the CDC HV based on the recommendation of an ML model.
# The script will check the HD:coda:cdc_hv_ai:switch to decide whether to actually set
# the HV or simply log what it would have set it to. The "switch" variable is set by
# a toggle in the CDC HV control GUI.
aiec_cdc="/group/halld/AIEC/utilities/CDC_control_ai/primex/AIEC_CDC.py"
aiec_config="/group/halld/AIEC/utilities/CDC_control_ai/primex/AIEC_CDC.cfg"
[ -x ${aiec_cdc} ] && /gluex/etc/crontabs/tcsh_AIEC_env "hdlog -c -o /gluex/log/AIEC_CDC.py_${HOST}.log ${aiec_cdc} --config ${aiec_config}" 2>&1 >/dev/null &
caput HD:coda:cdc_hv_ai:error $? &
#-------------------------------------------------------------------------------------------




rcm_log "done "  "INFO"

echo "-------> run_prestart EXIT `date` <-------"

sleep 60

echo "-------> run_prestart EXIT2 `date` <-------"