Big-Data-HPC-Platform/dali/dafilesrv/start_one_dafilesrv

#!/bin/sh
################################################################################
#    Copyright (C) 2011 HPCC Systems.
#
#    All rights reserved. This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
################################################################################


################################################# 
##    Defaulting needed for new init system    ## 
################################################# 
: ${LIBDIR:="."}                                # 
: ${BINDIR:="."}                                # 
export PATH=$BINDIR:$PATH                       # 
export LD_LIBRARY_PATH=$LIBDIR:$LD_LIBRARY_PATH # 
#################################################

DESTDIR=`dirname $0`
cd $DESTDIR
if [ "_$1" != "_loop" ]; then
  nohup $0 loop $* &>/dev/null &
  exit 0
fi
rm -f /var/run/dafilesrv.pid
killall -9 dafilesrv 2> /dev/null
sleep 1
export PATH=`pwd`:$DESTDIR:$PATH  
export LD_LIBRARY_PATH=.
ulimit -n 8192
ulimit -c unlimited
# dafilesrv is searched for in CURRENT_VERSION dir (if exists)
#                           or /c$/dafilesrv
#                         then $DESTDIR (location of scripts)
#                         then $PATH
if [ -e CURRENT_VERSION ]; then
cd `cat CURRENT_VERSION`
export PATH=`pwd`:$DESTDIR:$PATH  
export LOPT="-L /c$/dafilesrv"
else
export PATH=`pwd`:$DESTDIR:$PATH  
export LOPT=
fi
$BINDIR/dafilesrv -D $LOPT 1>/dev/null
sleep 1
pid=`pidof -x dafilesrv`
if [ "$?" -eq "0" ]; then
  echo $pid > /var/run/dafilesrv.pid
fi
while [ -e /var/run/dafilesrv.pid ] && [ "`cat /var/run/dafilesrv.pid`" -eq "$pid" ]; do
  kill -0 $pid 2> /dev/null
  if [ "$?" -eq "0" ]; then
    sleep 60
  else
    rm -f /var/run/dafilesrv.pid
    killall -9 dafilesrv 2> /dev/null
    sleep 1
    $BINDIR/dafilesrv -D $LOPT 1>/dev/null
    sleep 1
    pid=`pidof -x dafilesrv`
    if [ "$?" -eq "0" ]; then
      if [ ! -e /var/run/dafilesrv.pid ]; then
        echo $pid > /var/run/dafilesrv.pid
      fi
    fi
  fi
done