#!/bin/sh
cd $(dirname $0)

eval $(php -f ./glpienv.php)

PROCESS_ID=$(date +%j%H%M%S)

pid_dir="/tmp"
pidfile="$pid_dir/ocsng_fullsync.pid"
runningpid=""
scriptname="ocsng_fullsync.sh"
logfilename="ocsng_fullsync.log"


# Predefined settings
thread_nbr=2
server_id=

trap cleanup 1 2 3 6

usage()
{
   echo "Usage:"
   echo "  $0 [--arg]"
   echo
   echo "Arguments:"
   echo "  --thread_nbr=num: number of threads to launch"
   echo "  --server_id=num: GLPI ID of the OCS server to synchronize from. Default is ALL the servers"
   echo "  --nolog: output to console"
}

exit_if_soft_lock()
{
   if [ -f $GLPI_LOCK_DIR/massocsimport.lock ]
   then
      echo "Software lock : script can't run !"
      exit 1
   fi
}

read_argv()
{
   for i in $@; do
      valname=`echo $i| sed 's/--\(.*\)=.*/\1/'`
      valcontent=`echo $i| sed 's/--.*=\(.*\)/\1/'`

      [ -z $valname ] && usage
      case "$valname" in
         thread_nbr)
         thread_nbr=$valcontent
         ;;
         server_id)
         server_id=$valcontent
         ;;
         --nolog)
         logfilename=
         ;;
         *)
         usage
         exit 1
         ;;
      esac
   done
}

cleanup()
{
   echo "cleaning up."
   #  echo "kill pids: $runningpid"
   for pid in $runningpid; do 
      kill $pid 2>/dev/null; 
   done
   rm -f $pidfile
   rm -f "$GLPI_LOCK_DIR/lock_entity*"

   echo $(date) ended
   exit 0
}

exit_if_already_running()
{
   # No pidfile, probably no daemon present
   #
   if [ ! -f $pidfile ]
   then
      return 1
   fi

   pid=`cat $pidfile`

   # No pid, probably no daemon present
   #
   if [ -z "$pid" ]
   then
      return 1
   fi

   if [ ! -d /proc/$pid ]
   then
      return 1
   fi

   cmd=`cat /proc/$pid/cmdline | grep $scriptname`

   if [ "$cmd" != "" ]
   then
      exit 1
   fi
}

if [ ! -w $GLPI_LOCK_DIR ]
then
   echo -e "\tERROR : $GLPI_LOCK_DIR not writable"
   echo -e "\trun script as 'apache' user"
   exit 1
fi

read_argv "$@"
if [ -n "$logfilename" ]; then 
   exec >>$GLPI_LOG_DIR/$logfilename 2>&1
fi

exit_if_soft_lock
exit_if_already_running

echo $$ > $pidfile 

rm -f "$GLPI_LOCK_DIR/lock_entity*"
cpt=0

echo $(date) $0 started

cmd="php ocsng_fullsync.php --ocs_server_id=$server_id --managedeleted=1"
sh -c "$cmd"
  
while [ $cpt -lt $thread_nbr ]; do 
   cpt=$(($cpt+1))
   cmd="php ocsng_fullsync.php --ocs_server_id=$server_id --thread_nbr=$thread_nbr --thread_id=$cpt --process_id=$PROCESS_ID"
   sh -c "$cmd"&
   runningpid="$runningpid $!"
   sleep 1
done

wait

cleanup
