#!/bin/bash
# LGSM fn_serverquery function
# Author: Daniel Gibbs
# Website: http://danielgibbs.co.uk
# Version: 081214

# uses gsquery.py to directly query the server
# detects if the server locks up
if [ -f gsquery.py ]; then
	if [ "${engine}" == "unreal" ]||[ "${engine}" == "unreal2" ]; then
		gameport=$(grep Port= "${systemdir}/${ini}"|grep -v Master|grep -v LAN|grep -v Proxy|grep -v Listen|sed 's/\Port=//g'|tr -d '\r')
		port=$((${gameport} + 1))
	elif [ "${engine}" == "spark" ]; then
		port=$((${port} + 1))
	elif [ "${engine}" == "realvirtuality" ]; then
		port=${queryport}
	fi
	fn_printinfo "Monitoring ${servicename}: Detected gsquery.py"
	fn_scriptlog "Detected gsquery.py"
	sleep 1
	fn_printdots "Monitoring ${servicename}: Querying port: ${ip}:${port}: QUERYING"
	fn_scriptlog "Querying port: ${ip}:${port}: QUERYING"
	sleep 1
	serverquery=$(./gsquery.py -a ${ip} -p ${port} -e ${engine} 2>&1)
	exitcode=$?
	if [ "${exitcode}" == "1" ]||[ "${exitcode}" == "2" ]||[ "${exitcode}" == "3" ]||[ "${exitcode}" == "4" ]; then
		fn_printfail "Monitoring ${servicename}: Querying port: ${ip}:${port}: ${serverquery}"
		sleep 1
		echo -en "\n"
		fn_scriptlog "Querying port: ${ip}:${port}: ${serverquery}"
		if [[ -z "${secondquery}" ]]; then
			fn_printinfo "Monitoring ${servicename}: Waiting 30 seconds to re-query"
			fn_scriptlog "Waiting 30 seconds to re-query"
			sleep 30
			secondquery=1
			fn_serverquery
		fi
		if [ "${emailnotification}" = "on" ]; then
			subject="${servicename} Monitor - Starting ${servername}"
			failurereason="Failed to query ${servicename}: ${serverquery}"
			actiontaken="restarted ${servicename}"
			fn_emailnotification
		fi
		fn_restartserver
		exit
	elif [ "${exitcode}" == "0" ]; then
		fn_printok "Monitoring ${servicename}: Querying port: ${ip}:${port}: OK"
		fn_scriptlog "Querying port: ${ip}:${port}: OK"
		sleep 1
		echo -en "\n"
		exit
	elif [ "${exitcode}" == "126" ]; then
		fn_printfail "Monitoring ${servicename}: Querying port: ${ip}:${port}: ERROR: ./gsquery.py: Permission denied"
		fn_scriptlog "Querying port: ${ip}:${port}: ./gsquery.py: Permission denied"
		sleep 1
		echo -en "\n"
		echo "Attempting to resolve automatically"
		chmod +x -v gsquery.py
		exitcode=$?
		if [ "${exitcode}" == "0" ]; then
			fn_serverquery
		else
			echo -en "\nUnable to resolve automatically. Please manually fix permissions\n"
			owner=$(ls -al gsquery.py|awk '{ print $3 }')
			echo "As user ${owner} or root run the following command"
			whoami=$(whoami)
			echo -en "\nchown ${whoami}:${whoami} gsquery.py\n\n"
		exit
		fi
	else
		fn_printfail "Monitoring ${servicename}: Querying port: ${ip}:${port}: UNKNOWN ERROR"
		fn_scriptlog "Querying port: ${ip}:${port}: UNKNOWN ERROR"
		sleep 1
		echo -en "\n"
		./gsquery.py -a ${ip} -p ${port} -e ${engine}
		exit
	fi
fi