#!/bin/ksh

me=`whoami`

if [ "$me" != "root" ]
   then
      echo "This script should be run from root"
      exit
fi

#
#   Ensure that variables are defined...
#
 
for i in /hepdb/cd*
   do
 
typeset -u cdgrp
cdpath=$i
cdgrp=`basename $i`
eval $cdgrp=$cdpath;export $cdgrp
#
# and start the servers
#
if [ -x ${i}/cdserv ]
   then
#
# does a log file exist?
#
   if [ -f /hepdb/${cdgrp}.log ]
      then
#
# log file exists - looking for existing proces'
#
      log=${log}${b}${cdgrp}
#
# change to $14 for more modern AIX
#
      pid=`cat /hepdb/${cdgrp}.log | awk '{printf "%s\n",$14}'`
      if (test $pid)
         then
#
# Looking for server process $pid for $cdgrp
#
         if (ps -ae  | grep -qs $pid )
            then
#
# OK! server found
#
               :
            else
#
# No existing server found for $cdgrp - starting server
#
            if [ -f ${i}/todo/signal.stop ]
               then 
#
# Send warning mail for stopped servers
#
                  subject=`echo Warning: server stopped for group ${cdgrp}`
                  ls -l ${i}/todo/signal.stop | \
                  mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
               else
#
# Send warning mail for "dead" servers (process not found)
# (Start server for $cdgrp)
#
                  cd ${i}
                  subject=`echo Error: no process found for group ${cdgrp}`
                  ls -lm ${i}/cdserv.log | \
                  mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
#                 nohup ${i}/cdserv ${cdgrp} > $i/cdserv.log &

            fi # End loop over "stopped" servers

         fi 
#
# Could not find PID in log file
#
         else
         if [ -f ${i}/todo/signal.stop ]
            then 
#
# Send warning mail for stopped servers
#
               subject=`echo Warning: server stopped for group ${cdgrp}`
               ls -l ${i}/todo/signal.stop | \
               mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
            else 
#
# Send warning mail for "dead" servers (process not found)
# (Start server for $cdgrp)
#
               cd ${i}
               subject=`echo Error: no process found for group ${cdgrp}`
               ls -lm ${i}/cdserv.log | \
               mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
#              nohup ${i}/cdserv ${cdgrp} > $i/cdserv.log &

         fi # End loop over "stopped" servers

      fi

      else
#
# Server stopped cleanly or has never been started...
#
      if [ -f ${i}/todo/signal.stop ]

         then 
#
# Send warning mail for stopped servers
#
            subject=`echo Warning: server stopped for group ${cdgrp}`
            ls -l ${i}/todo/signal.stop | \
            mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
         else 
            cd ${i}
            subject=`echo Error: no process found for group ${cdgrp}`
            ls -lm ${i}/cdserv.log | \
            mail -s " ${subject} " hepdb-mgr@zfatal.cern.ch
#        nohup ${i}/cdserv ${cdgrp} > $i/cdserv.log &

      fi # End loop over "stopped" servers

   fi # End loop over servers for which a log file (/hepdb/CDxxx.log) was found

fi # End loop over servers with CDSERV script
 
done