#!/bin/bash
# Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
#
# Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

# Useful shell to run executable progs or shells under Salome env
# Use it with args to run a program : runSession python -i myprog.py
# Use it without args to run an interactive shell under Salome env


###############################################
############### IMPORTANT NOTE ################
###############################################
# The runSession script is obsolete.          #
# Please consider the new salome launcher.    #
###############################################


APPLI_HOME=`dirname $0`

NSPORT=last
NSHOST=localhost

usage()
{
        echo "Connect to a SALOME session (local or remote)"
        echo ""
        echo "Usage: $(basename $0) [ -p PORT ] [ -m MACHINE ] [ -h ] [command]"
        echo ""
        echo "  -p PORT          : The port to connect to "
        echo "  -m MACHINE       : The machine to connect to "
        echo "  -h               : Print this message"
        echo "  command          : The command to execute in the SALOME session"
        echo ""
        echo "If the command is not given a shell is opened"
        echo "If PORT and MACHINE are not given, try to connect to the last active session on the local machine"
        echo "If PORT and MACHINE are given, try to connect to the remote session associated with PORT on MACHINE"
        echo "If MACHINE is not given, try to connect to the session associated to PORT on the local machine"
        echo "If PORT is not given, try to connect to the remote session associated to port 2810 on MACHINE"
        echo ""
}

while getopts 'm:p:h' OPTION
  do
    case $OPTION in
      m)NSHOST="$OPTARG" ;;
      p)NSPORT="$OPTARG" ;;
      h|?) usage
          exit 1 ;;
    esac
  done
shift $(($OPTIND - 1))

# --- retrieve APPLI path, relative to $HOME, set ${APPLI}

export APPLI=`${APPLI_HOME}/getAppliPath.py`

# --- set the SALOME environment (prerequisites, MODULES_ROOT_DIR...)

. ${HOME}/${APPLI}/envd ${HOME}/${APPLI}

#export OMNIORB_USER_PATH="${HOME}/.salomeConfig/USERS"
export OMNIORB_USER_PATH="${HOME}/${APPLI}/USERS"

# --- set the OMNIORB_CONFIG file and environment relative to this run of SALOME
# Usage: writeConfigFile PORT HOST
function writeConfigFile
{
  if [ $# -ne 2 ]; then
    echo "Usage: $0 PORT HOST"
    return
  fi
  export NSPORT=$1
  export NSHOST=$2

  # Get (in bash) the configuration filename from (Python) ORBConfigFile return values
  RETURN_VALUES=$(${KERNEL_ROOT_DIR}/bin/salome/envSalome.py python ${KERNEL_ROOT_DIR}/bin/salome/ORBConfigFile.py ${OMNIORB_USER_PATH} ${NSHOST} ${NSPORT} with_username=${USER})
  export OMNIORB_CONFIG=$(echo ${RETURN_VALUES} | cut -d' ' -f1)
}


if test "x${NSPORT}" == "xlast"; then
  #PORT is not given
  if test "x${NSHOST}" == "xlocalhost"; then
    #MACHINE and PORT are not given
    # --- set omniORB configuration to current session if any
    fileOmniConfig=${OMNIORB_USER_PATH}/.omniORB_${USER}_last.cfg
    if [ -f $fileOmniConfig ]; then
      export OMNIORB_CONFIG=${OMNIORB_USER_PATH}/.omniORB_${USER}_last.cfg
      # --- set environment variables for port and hostname of NamingService
      export NSHOST=`${KERNEL_ROOT_DIR}/bin/salome/NSparam.py host`
      export NSPORT=`${KERNEL_ROOT_DIR}/bin/salome/NSparam.py port`
    fi
  else
    #MACHINE is given PORT is not given
    writeConfigFile 2810 ${NSHOST}
  fi
else
  #PORT is given
  if test "x${NSHOST}" == "xlocalhost"; then
    #MACHINE is not given PORT is given
      NSHOST=`hostname`
  fi
  writeConfigFile ${NSPORT} ${NSHOST}
fi

# --- invoke shell with or without args

if [ $# -ne 0 ] ; then
  ${KERNEL_ROOT_DIR}/bin/salome/envSalome.py -exec $*
else
  ${KERNEL_ROOT_DIR}/bin/salome/envSalome.py /bin/bash --rcfile ${HOME}/${APPLI}/.bashrc
fi