#######################################################
##         Functions for remote backupscript         ##
#######################################################

# --------------------------------------------------- #
# ------------------- Funktionen -------------------- #
#
usage() {


   [[ -n  "$1" ]] && error "$1"


   echo -e "
\033[1mUsage:\033[m

   $(basename $0) [OPTION [OPTION ..

\033[1mDescription\033[m

   Main Backup Script for hosts maintained by O.OPEN.

\033[1mOptions\033[m

   -B
      Only Backup host - do not handle (existing) archives.

   -N
      Do not backup anything, only maintain existing backups - archiving and/or
      removing existing backups.

   -m
      Only backup hosts listed in file conf/manual_hosts.conf. Don't inform anyone,
      and also don't restart services.

\033[1mFiles\033[m

   \033[1m$(basename $rcopy_conf_file)\033[m: Main Configuration
	
	See folder 'conf' for more configuration files

\033[1mExample:\033[m
   
   Normal Backup

      $(basename $0)

   Only maintain backup archives - do NOT write new backups
   
      $(basename $0) -N

"

   clean_up 1

}

clean_up() {

   # Perform program exit housekeeping
   rm -rf "$LOCK_DIR"
   blank_line
   exit $1
}

echolog(){ 
   if [ -n "$2" ];then
      case $_DEBUG in
         0) 
            if [ "$2" -eq 0 ]; then
               echo -e "$1" >> $logFile
            fi
            ;;
         1) 
            if [ "$2" -lt 2 ]; then
               echo -e "$1" >> $logFile
            fi
            ;;
         2) 
            echo -e "$1" >> $logFile
            ;;
         *)
            ;;
      esac 
   else
      echo -e "$1" >> $logFile
   fi
}
#
#
echononl(){
   echo X\\c > /tmp/shprompt$$
   if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
      # echo "$*\\c" 1>&2
      echo "$*\\c" >> $logFile
   else
      # echo -e -n "$*" 1>&2
      echo -e -n "$*" >> $logFile
   fi
   rm /tmp/shprompt$$
}

print_error_stdout() {
   echo -e -n "\n   Host:  ${srcHost}\n   Error: $*" 1>&2
   echo ""
}

#
#
fatal(){
   echolog "!!! The backup procedure was interrupted !!!"
   echolog  "\nError:\n\t $*"
   echolog  "\n*** End Update --  no backups are done ***\n\n"
   exit 1
}

trim() {
    local var="$*"
    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
    echo -n "$var"
}

blank_line() {
   echo ""
}

#
# ------------------ Ende Funktionen ---------------- #
# --------------------------------------------------- #