#!/bin/csh -f
#+
# OSIRIS library of scripts
#
# NAME
#      fix_sfilter - make sure om2s is happy
#
# SYNOPSIS
#     fix_sfilter 
#
# DESCRIPTION
#     Checks the status of om2s.  If not OK, script determines what
#     expected switch value will make it ok.
#
# ARGUMENTS
#     
#
# OPTIONS
#
# EXAMPLES
#
# ENVIRONMENT VARIABLES
#
# FILES
#
# SERVERS & KEYWORDS
#    
#
#
# SCRIPTS CALLED
#
# EXIT STATUS
#     0 - normal exit, no error
#     1 - script aborted by an interrupt
#     2 - syncheck error
#     3 - error parsing command line input
#     other errors...
#
#
#
# Modification History:
# 2016 Mar 18 jlyke Original
# 2016 Apr 13 jlyke Adapted from om2s
#------------------------------------------------------
# Boiler plate for "-h" support for command autohelp.

if ("$1" == "-h") then
    help $0
    exit $status
endif

set wait = 1
#sleep $wait

# Formulate lockengpw
set lockengpw = `date '+%y%m%d'`
set homeoff = 750

# define service and configfile
set serv = om2s
set configfile = /kroot/rel/default/data/${serv}_keyword_config_file

set sfwstat = `show -s $serv -terse status`
while ( $sfwstat == Moving ) 
  sleep 1
  set sfwstat = `show -s $serv -terse status`
end

set sfwstat = `show -s $serv -terse status`
if ( $sfwstat != OK ) then 
  # determine what pos *should* be
  set target = `show -s $serv -terse target`
  set posnameN = `/usr/bin/awk '/'$target'/{print $1}' $configfile`
  set keybase = posname
  set strpos = `echo $keybase | awk '{print length($0)+1}'`
  set num = `echo $posnameN | cut -c ${strpos}-`
  # compare current switch to expected
  set switch = `show -s $serv -terse switch`
  set expect = `show -s $serv -terse switch$num`
  if ( $switch != $expect ) then
    # check lockeng
    set lockeng = `show -s $serv -terse lockeng`
    if ( $lockeng == 1 ) then
      modify -s $serv lockeng=$lockengpw
    endif
    modify -s $serv switch$num=$switch
    # make sure lockeng is locked
    set lockeng = `show -s $serv -terse lockeng`
    if ( $lockeng == 0 ) then
      modify -s $serv lockeng=$lockengpw
    endif
  endif      
  # check if this fixed it
  sleep 3
  set sfwstat = `show -s $serv -terse status`
  if ( $sfwstat != OK ) then
    echo "om2s must be homed"
    exit 1
  endif
endif

exit 0