#!/bin/bash

bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
source $bin/ps-functions

# Process the parameters
declare -i numOfArgs=$#
let numOfArgs++
PFOPT=false
while [ $numOfArgs -ne $OPTIND ]; do
  
  getopts "hop" optKey
  if [ "$optKey" == "?" ]; then
    optKey="h"
  fi

  case $optKey in
    h) echo -en "\nUsage of ${0##*/}:\n\n"
       echo -en "Start the Secondo Monitors on the current node.\n\n"
       echo -en "  -h Print this message and exit. \n\n"
       echo -en "  -o Start a mini Secondo based on Own configuration \n"
       echo -en "     $HOME/.parasecrc \n\n"
       echo -en "  -p Profile the Monitors by Valgrind.\n\n"
       exit 0;;
    o)
       if [ ! -f "$HOME/.parasecrc" ]; then
         echo -e "The local parallel secondo configuration $HOME/.parasecrc doesn't exist." >&2
         exit -1;
       else
         source $HOME/.parasecrc
       fi
      ;;
    p)
      PFOPT=true
      ;;
  esac
done

MSCNT=0  #Monitor Screen Counter
declare -i SMCNT=0  #Started Secondo Monitor Counter
declare -a MSECARR=($(echo $PARALLEL_SECONDO | tr ':' ' '))
for MINISEC in ${MSECARR[*]}; do
  MINISEC="${MINISEC}/${PARALLEL_SECONDO_DATASERVER_NAME}/${PARALLEL_SECONDO_MINI_NAME}"
  CONFFILE="${MINISEC}/bin/SecondoConfig.ini"
  SCRNAME="secmon${MSCNT}"
  let MSCNT++
  if [ ! -f $CONFFILE ]; then
    echo "Error! The Secondo Configure File $CONFFILE doesn't exist. "
    continue
  fi

  # Create a temporal file to record the configuration file path
  # In case another user also trying to use this configuration to start up Monitors
  # The file will be deleted after the monitor is shutdown, 
  # and the relative REGISTER file of SecondoMonitor also will be deleted.
  # File's name is SECMON_$secPort, records $HOSTNAME:$SCRNAME
  LFNAME="/tmp/SECMON_$(get_secPort $CONFFILE)"
  if [ -f $LFNAME ]; then 
    SMUSER=$(cat $LFNAME)
    SMUSER=${SMUSER%:*}
    echo -en "Error! A Secondo Monitor is started up by $SMUSER \nbased on $CONFFILE \nstop it first.\n\n" >&2
    continue
  fi

  #Check whether the port is free
  PORTNUM=$(get_secPort "$CONFFILE")
  isFree=$(isPortAvailable "$PORTNUM")  

  if [ ! $isFree ]; then
    echo -en "Error! The Secondo Monitor in ${MINISEC} start FAIL!\n" >&2
    echo -en "The listening port $PORTNUM in $CONFFILE is busy.\n\n" >&2
    continue
  fi
  
  sin=$(screen -ls | grep "$SCRNAME" | grep Detached | wc -l)
  if [ $sin -gt 0 ]; then
    echo "Error! Screen session with name $SCRNAME already exists"
    continue
  fi

  screen -dmS $SCRNAME
  sid_TTY=$(get_scrID ${SCRNAME})
  if [ "$sid_TTY" != "" ]; then
    exec_scr_commands ${sid_TTY} "cd \$HOME"
    if [ "$SECONDO_PLATFORM" = "mac_osx" ]; then
      exec_scr_commands ${sid_TTY} "source .profile"
    fi
    if [ $PFOPT = false ]; then
      exec_scr_commands ${sid_TTY} "export SECONDO_CONFIG=${CONFFILE}" "cd ${MINISEC}/bin" "./collectFlobServer &" "./SecondoMonitor -s"
    else
      exec_scr_commands ${sid_TTY} "export SECONDO_CONFIG=${CONFFILE}" "cd ${MINISEC}/bin" "./collectFlobServer &" "valgrind --tool=callgrind --dump-instr=yes --trace-jump=yes --trace-children=yes SecondoMoni
tor -s"
    fi
 
    echo "$USER:$SCRNAME@$sid_TTY" > "$LFNAME"
    let SMCNT++
    # not check whether the monistor is correctly started, as it always need several seconds to finish the whole operation.
  else
    echo "Error! Screen $SCRNAME start up fail"
  fi
done

LIP=$(get_localIP)
if [ ${SMCNT} -le 0 -o ${SMCNT} -ne ${MSCNT} ]; then
  echo "ERROR! $LIP Start up ${SMCNT} Secondo Monitor Screens, expect ${MSCNT} Monitors." >&2
  exit -1
else 
  echo "The Secondo Monitor on $LIP is started"
fi

exit 0