#!/bin/csh -f
#+
#OSIRIS library of scripts
#
#NAME
#     osirisCheckServer - check if server is alive
#
#SYNOPSIS
#     osirisCheckServer service
#
#DESCRIPTION
#     Checks if the specified server is running by checking the lastalive
#     keyword, and reports 1 if the server is alive, 0 if not.
#
#OPTIONS
#     service
#          rpc server name to check
#
#EXAMPLES
#     osirisCheckServer otcs
#          Returns 1 is server is alive, 0 if not
#
#ENVIRONMENT VARIABLES
#     none
#
#FILES
#     none
#
#SERVERS & KEYWORDS
#     service = all osiris servers
#          keywords: lastalive
#
#SCRIPTS CALLED
#     list of the scripts called by this script, for example:
#
#     help, syncheck
#
#EXIT STATUS
#     0 - normal exit, no error
#     1 - script aborted by an interrupt
#     2 - syncheck error
#     3 - error parsing command line input
#     other errors...
#
#SEE ALSO
#     ???
#-
#
# Modification History:
# 20050202 - MB: Initial version created
#

# Boiler plate for "-h" support for command autohelp.

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

# Boilerplate for syncheck.
# Note that the boiler plate should be transparent for all usages,
# but to make correct use of syncheck you will need to specify the
# correct pattern.

set noglob
set servlist = "[oids,osds,otcs,ot1s,ot2s,op1s,op2s,oprs,om1s,om2s,om3s,\
		 om4s,om5s,om6s,osiris,obbs]"
set CheckStatus = `syncheck -command $0 $* -pattern ${servlist}` 
unset noglob

if ("$CheckStatus" != "OK") then
    help $0
    exit 2
endif

# End of help/syncheck boiler plate.

# Set up to trap interrupts (Ctrl-C, etc.)
onintr abort

# Set default variable values

# Get the command line argument
set service = $1

# Check if the server is running
show -s ${service} lastalive >& /dev/null
set exitcode = $status
if ($exitcode == 0) then
  # server is alive
  echo 1
  goto done
else
  # assume the server is dead
  echo 0
  exit $exitcode
endif

goto done

abort:
# Block of code to handle interrupts.
exit 1

done:
# is there anything that needs to go here?
exit