query_gamedig.sh

#!/bin/bash
# LinuxGSM query_gamedig.sh module
# Author: Daniel Gibbs
# Contributors: http://linuxgsm.com/contrib
# Website: https://linuxgsm.com
# Description: Querys a gameserver using node-gamedig.
# https://github.com/sonicsnes/node-gamedig

functionselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"

# Check if gamedig and jq are installed.
if [ "$(command -v gamedig 2>/dev/null)" ]&&[ "$(command -v jq 2>/dev/null)" ]; then

	# will bypass query if server offline.
	check_status.sh
	if [ "${status}" != "0" ]; then
		# checks if query is working null = pass.
		gamedigcmd=$(echo -e "gamedig --type \"${querytype}\" --host \"${queryip}\" --query_port \"${queryport}\"|jq")
		gamedigraw=$(gamedig --type "${querytype}" --host "${queryip}" --query_port "${queryport}")
		querystatus=$(echo "${gamedigraw}" | jq '.error|length')

		if [ "${querystatus}" != "null" ]; then
			gamedigcmd=$(echo -e "gamedig --type \"${querytype}\" --host \"${queryip}\" --port \"${queryport}\"|jq")
			gamedigraw=$(gamedig --type "${querytype}" --host "${queryip}" --port "${queryport}")
			querystatus=$(echo "${gamedigraw}" | jq '.error|length')
		fi

		# server name.
		gdname=$(echo "${gamedigraw}" | jq -re '.name')
		if [ "${gdname}" == "null" ]; then
			unset gdname
		fi

		# numplayers.
		if [ "${querytype}" == "minecraft" ]; then
			gdplayers=$(echo "${gamedigraw}" | jq -re '.players | length-1')
		else
			gdplayers=$(echo "${gamedigraw}" | jq -re '.players | length')
		fi
		if [ "${gdplayers}" == "null" ]; then
			unset gdplayers
		elif [ "${gdplayers}" == "[]" ]||[ "${gdplayers}" == "-1" ]; then
			gdplayers=0
		fi

		# maxplayers.
		gdmaxplayers=$(echo "${gamedigraw}" | jq -re '.maxplayers')
		if [ "${gdmaxplayers}" == "null" ]; then
			unset maxplayers
		elif [ "${gdmaxplayers}" == "[]" ]; then
			gdmaxplayers=0
		fi

		# current map.
		gdmap=$(echo "${gamedigraw}" | jq -re '.map')
		if [ "${gdmap}" == "null" ]; then
			unset gdmap
		fi

		# current gamemode.
		gdgamemode=$(echo "${gamedigraw}" | jq -re '.raw.rules.GameMode_s')
		if [ "${gdgamemode}" == "null" ]; then
			unset gdgamemode
		fi

		# numbots.
		gdbots=$(echo "${gamedigraw}" | jq -re '.bots | length')
		if [ "${gdbots}" == "null" ]||[ "${gdbots}" == "0" ]; then
			unset gdbots
		fi
	fi
fi