#!/bin/bash
# -------
# File:        llxcfg-uni
# Description: LliureX client for uniconf
# Author:      Luis Antonio Garcia Gisbert <garcia_luigis@gva.es>
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along 
# with this program; if not, write to the Free Software Foundation, Inc., 
# 51 Franklin St, Fifth Floor, Boston MA 02110-1301 USA
# --------

set -e

# variables
# ---------

# functions
# ---------

usage(){
   CMD="$(basename "$0")"
   error_message \
"Usage: $CMD [options] {get|del|list|xlist|rlist|show|xshow|rshow} key\n\
        $CMD [options] set key [value|-]\n\
        options: -r HOST[:PORT]\n\
                 -c CUSTOM_MONIKER"
   exit 1
}

error_message() {
   echo -e "$1" >&2
}

# main
# ---------

UNICONFD_PORT=4111
UNICONFD_DEFAULT="/etc/default/uniconfd"
[ ! -r "$UNICONFD_DEFAULT" ] || source "$UNICONFD_DEFAULT"

case "$1" in
   -r)
      shift
      [ "$1" ] || usage
      UNIHOST="${1%:*}"
      if [ "$UNIHOST" != "$1" ] ; then
         UNIPORT="${1#*:}"
      else
         UNIPORT="$UNICONFD_PORT"
      fi
      UNICONF="tcp:$UNIHOST:$UNIPORT"
      shift
      ;;
   -c)
      UNICONF="$1"
      shift
      ;;
   *)
      UNICONF="$UNICONFD_MOUNTS"
      ;;
esac

if [ -z "$UNICONF" ] ; then
   error_message "Error: No mounts defined in UNICONF variable. Use -r|-c options"
   usage
fi

ACTION="$1"

[ "$ACTION" ] || usage
shift
KEY="$1"
[ "$KEY" ] || usage
shift

rc=0

export UNICONF
case "$ACTION" in
   get|del)
      uni $ACTION "$KEY" || rc=$?
      ;;
   list)
      uni keys "$KEY" || rc=$?
      ;;
   xlist)
      uni xkeys "$KEY" || rc=$?
      ;;
   rlist)
      uni hkeys "$KEY" || rc=$?
      ;;
   show)
      uni dump "$KEY" || rc=$?
      ;;
   xshow)
      uni xdump "$KEY" || rc=$?
      ;;
   rshow)
      uni hdump "$KEY" || rc=$?
      ;;
   set)
      if [ -z "$1" -o "$1" = "-" ] ; then
         uni xset "$KEY"  || rc=$?
      elif [ "$1" ] ; then
         uni set "$KEY" "$1" || rc=$?
      else
         usage
      fi
      ;;
esac

exit $rc