#!/bin/sh
# wait for amd to start up and then execute program
# usage: wait4amd <hostname> [<command> [args ...]]
# If only hostname is supplied, command defaults to rsh $hostname
#
# Package:	am-utils-6.0
# Author:	Erez Zadok <ezk@cs.columbia.edu>

#set -x

if [ "X$1" = "X" ]; then
	echo "Usage: wait4amd <hostname> [<command> [args ...]]"
	exit 1
else
	hostname=$1
	shift
fi

# set path
prefix=@prefix@
exec_prefix=@exec_prefix@
PATH=@sbindir@:@bindir@:${PATH}
export PATH

while true
do
	amq -h $hostname > /dev/null 2>&1
	if [ $? != 0 ]
	then
		# failed
		echo "Amd not up. Sleeping..."
		sleep 5;
	else
		echo "Amd is active on host $hostname!"
		cmd=$*
		if [ -z "${cmd}" ]
		then
			cmd="rlogin $hostname"
		fi
		echo "Running: $cmd"
		$cmd
		echo "Sleep 1 second"
		sleep 1
	fi
done