#!/bin/bash

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

ADDPAR=""  # Additional startup parameters for each slave
SLONLY=false
# Process the parameters
declare -i numOfArgs=$#
let numOfArgs++

while [ $numOfArgs -ne $OPTIND ]; do

  getopts "hsop" optKey
  if [ "$optKey" == "?" ]; then
    optKey="h"
  fi

  case $optKey in 
    h)
      echo -en "\nUsage of ${0##*/}:\n\n"
      echo -en "Start up the Secondo Monitors on machines inside the cluster.\n"
      echo -en "Machine's IP addresses are listed in the file\n$PARALLEL_SECONDO_SLAVES \n$PARALLEL_SECONDO_MASTER\n\n"
      echo -en "  -h Print this message and exit. \n\n"
      echo -en "  -s Start up the monitors only on Slave nodes. \n\n"
      echo -en "  -o Start the Secondo Monitors base on Own configuration \n"
      echo -en "     $HOME/.parasecrc \n\n"
      echo -en "  -p Profile the Secondo Monitors\n\n"
      exit 0
      ;;
    s)
      SLONLY=true
      ;;
    o)
      ADDPAR="$ADDPAR -o"
      ;;
    p)
      ADDPAR="$ADDPAR -p"
  esac

done

aJobs=()
Status="/tmp/.${USER}_ps-start-AllMonitors.data"
cat /dev/null > $Status

function startNodeMonitors
{
  IPAddr=$1
  DSPath=$2
  ssh $IPAddr "${DSPath}/bin/ps-startMonitors ${ADDPAR}" >/dev/null 2>&1
  if [ $? -ne 0 ]; then
    echo -e "Switch ON Monitor on $IPAddr ... ... FAIL." >>$Status
  else
    echo -e "Switch ON Monitor on $IPAddr ... ... Done!" >>$Status
  fi
}

if $SLONLY ; then
  DSLIST=($(get_mainDServs))
else
  DSLIST=($(get_mainDServs -m))
fi
NDNUM=${#DSLIST[*]}

echo "In total, has $NDNUM nodes"
for ((NDIDX=0;NDIDX<$NDNUM;));do
  node=${DSLIST[$NDIDX]}
  IPAddr=${node%:*}
  DSPath=${node#*:}
  
  for((token=1;token<=$PS_PIPE_Width;token++)); do
    if [ $NDIDX -gt $NDNUM ]; then
      break
    fi
    
    if [ ! "${aJobs[$token]}" ] || ! kill -0 ${aJobs[$token]} 2>/dev/null; then
      startNodeMonitors $IPAddr $DSPath &
      aJobs[$token]=$!
      let NDIDX++
      break
    fi
  done    
done

for ((token=1;token<=$PS_PIPE_Width;));do
  if ! kill -0 ${aJobs[$token]} 2>/dev/null; then
    let token++
  fi
done

cat $Status | sort | cat -n

exit 0