#!/bin/bash
# Garrys's Mod
# Server Management Script
# Author: Daniel Gibbs
# Website: http://danielgibbs.co.uk
# Version: 050814

#### Variables ####

# Notification Email
# (on|off)
emailnotification="off"
email="email@example.com"

# Steam login
steamuser="anonymous"
steampass=""

# Workshop Variables
# http://wiki.garrysmod.com/page/Workshop_for_Dedicated_Servers
workshopauth=""
workshopcollectionid=""

# Start Variables
defaultmap="gm_construct"
maxplayers="16"
port="27015"
sourcetvport="27020"
clientport="27005"
ip="0.0.0.0"

# https://developer.valvesoftware.com/wiki/Command_Line_Options#Source_Dedicated_Server
fn_parms(){
parms="-game garrysmod -strictportbind -ip ${ip} -port ${port} +host_workshop_collection ${workshopcollectionid} -authkey {workshopauth} +clientport ${clientport} +tv_port ${sourcetvport} +map ${defaultmap} +servercfgfile ${servercfg} -maxplayers ${maxplayers}"
}

#### Advanced Variables ####

# Steam
appid="4020"

# Server Details
servicename="gmod-server"
gamename="Garrys's Mod"
engine="source"

# Directorys
rootdir="$(cd "$(dirname "${BASH_SOURCE[0]}" )" && pwd )"
selfname="$0"
lockselfname=$(echo ".${servicename}.lock")
filesdir="${rootdir}/serverfiles"
systemdir="${filesdir}/garrysmod"
executabledir="${filesdir}"
executable="./srcds_run"
servercfgdir="${systemdir}/cfg"
servercfg="${servicename}.cfg"
servercfgfullpath="${servercfgdir}/${servercfg}"
defaultcfg="${servercfgdir}/server.cfg"
backupdir="backups"
steamclient="${rootdir}/steamcmd/linux32/steamclient.so"

# Server Details
servername=$(grep -s hostname "${servercfgfullpath}"|sed 's/hostname //g'|sed 's/"//g')
rcon=$(grep -s rcon_password "${servercfgfullpath}"|sed 's/rcon_password //g'|sed 's/"//g')

# Logging
logdays="7"
gamelogdir="${systemdir}/logs"
scriptlogdir="${rootdir}/log/script"
consolelogdir="${rootdir}/log/console"

scriptlog="${scriptlogdir}/${servicename}-script.log"
consolelog="${consolelogdir}/${servicename}-console.log"
emaillog="${scriptlogdir}/${servicename}-email.log"

scriptlogdate="${scriptlogdir}/${servicename}-script-$(date '+%d-%m-%Y-%H-%M-%S').log"
consolelogdate="${consolelogdir}/${servicename}-console-$(date '+%d-%m-%Y-%H-%M-%S').log"

##### Script #####
# Do not edit
# unless you know
# what you are doing

fn_scriptlog(){
	echo -e "$(date '+%b %d %H:%M:%S') ${servicename}: '$1'" >> ${scriptlog}
}

# [ FAIL ]
fn_printfail(){
    echo -en "\r\033[K[\e[0;31m FAIL \e[0;39m] $@"
}

fn_printfailnl(){
    echo -e "\r\033[K[\e[0;31m FAIL \e[0;39m] $@"
}

fn_printok(){
    echo -en "\r\033[K[\e[0;32m  OK  \e[0;39m] $@"
}

# [  OK  ]
fn_printoknl(){
    echo -e "\r\033[K[\e[0;32m  OK  \e[0;39m] $@"
}

fn_printinfo(){
    echo -en "\r\033[K[\e[0;36m INFO \e[0;39m] $@"
}

fn_printinfonl(){
    echo -e "\r\033[K[\e[0;36m INFO \e[0;39m] $@"
}

# [ INFO ]
fn_printokinfonl(){
    echo -e "\r\033[K[\e[0;36m INFO \e[0;39m] $@"
}

fn_printwarn(){
	echo -en "\r\033[K[\e[1;33m WARN \e[0;39m] $@"
}

fn_printwarnnl(){
	echo -e "\r\033[K[\e[1;33m WARN \e[0;39m] $@"
}
	
# [ .... ]
fn_printdots(){
    echo -en "\r\033[K[ .... ] $@"
}

fn_rootcheck(){
if [ `whoami` = "root" ]; then
	fn_printfailnl "Script will not run as root!"
	exit
fi
}

fn_syscheck(){
if [ ! -e "${systemdir}" ]; then
	fn_printfailnl "Cannot access ${systemdir}: No such directory"
	exit
fi
}

fn_autoip(){
# Identifies the server interface IP
# If multiple interfaces this will need to be set manually
getip=$(ip -o -4 addr|awk '{print $4 }'|grep -oe '\([0-9]\{1,3\}\.\?\)\{4\}'|grep -v 127.0.0.1)
getipwc=$(ip -o -4 addr|awk '{print $4 }'|grep -oe '\([0-9]\{1,3\}\.\?\)\{4\}'|grep -v 127.0.0.1|wc -l)
if [ "${ip}" == "0.0.0.0" ]||[ "${ip}" == "" ]; then
	if [ "${getipwc}" -ge "2" ]; then
		fn_printwarn "Multiple active network interfaces.\n\n"
		echo -en "Manually specify the IP you want to use within the ${selfname} script.\n"
		echo -en "Set ip=\"0.0.0.0\" to one of the following:\n"
		echo -en "${getip}\n"
		exit
	else
		ip=${getip}
	fi
fi
}

fn_logmanager(){
if [ ! -e "${consolelog}" ]; then
	touch "${consolelog}"
fi
# log manager will active if finds logs older than ${logdays}
if [ `find "${scriptlogdir}"/* -mtime +${logdays}|wc -l` -ne "0" ]; then
	fn_printdots "Starting log cleaner"
	sleep 1	
	fn_printok "Starting log cleaner"
	sleep 1	
	fn_scriptlog "Starting log cleaner"
	sleep 1
	echo -en "\n"
	fn_printinfo "Removing logs older than ${logdays} days"
	sleep 1
	echo -en "\n"
	fn_scriptlog "Removing logs older than ${logdays} days"
	sleep 1
	find "${scriptlogdir}"/* -mtime +${logdays}|tee >> "${scriptlog}"
	find "${consolelogdir}"/* -mtime +${logdays}|tee >> "${scriptlog}"
	scriptcount=$(find "${scriptlogdir}"/* -mtime +${logdays}|wc -l)
	consolecount=$(find "${consolelogdir}"/* -mtime +${logdays}|wc -l)
	count=$((${scriptcount} + ${consolecount}))
	find "${scriptlogdir}"/* -mtime +${logdays} -exec rm {} \;
	find "${consolelogdir}"/* -mtime +${logdays} -exec rm {} \;
	fn_printok "Log cleaner removed ${count} log files"
	sleep 1
	echo -en "\n"
	fn_scriptlog "Log cleaner removed ${count} log files"
fi
}

fn_debugserver(){
fn_rootcheck
fn_syscheck
fn_autoip
fn_parms
echo ""
echo "${gamename} Debug"
echo "============================"
echo ""
echo -e "Use for identifying server issues only!"
echo -e "Press CTRL+c to drop out of debug mode"
echo -e "\e[0;31mWARNING!\e[0;39m If ${servicename} is already running it will be stopped"
echo ""
echo "Start parameters:"
echo ${parms}
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
fn_stopserver
fn_printdots "Starting debug mode ${servicename}: ${servername}"
sleep 1
fn_printok "Starting debug mode ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Started debug mode ${servername}"
echo -en "\n"
cd "${executabledir}"
${executable} ${parms} -debug
}

fn_console(){
fn_rootcheck
fn_syscheck
echo ""
echo "${gamename} Console"
echo "============================"
echo ""
echo "Press \"CTRL+b d\" to exit console"
echo -e "\e[0;31mWARNING!\e[0;39m Do NOT press CTRL+c to exit"
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
fn_printdots "Starting ${servicename} console"
sleep 1
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 1 ]; then
	fn_printoknl "Starting ${servicename} console"
	sleep 1
	fn_scriptlog "Console accessed"
	tmux attach-session -t ${servicename}
else
	fn_printfailnl "Starting ${servicename} console: ${servername} not running"
	sleep 1
	while true; do
		read -p "Do you want to start the server? [y/N]" yn
		case $yn in
		[Yy]* ) fn_startserver; break;;
		[Nn]* ) break;;
		* ) echo "Please answer yes or no.";;
	esac
	done
fi
}

fn_backupserver(){
fn_rootcheck
fn_syscheck
backupname="${servicename}-$(date '+%Y-%m-%d-%H%M%S')"
echo ""
echo "${gamename} Backup"
echo "============================"
echo ""
echo "The following backup will be created."
echo ""
echo "${backupdir}/${backupname}.tar.gz"
echo ""
while true; do
	read -p "Continue? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
esac
done
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 1 ]; then
	echo -e "\e[0;31mWARNING!\e[0;39m ${servicename} is currently running"
	while true; do
		read -p "Would you like to stop ${servicename} while running the backup? [y/N]" yn
		case $yn in
		[Yy]* ) fn_stopserver; break;;
		[Nn]* ) break;;
		* ) echo "Please answer yes or no.";;
	esac
	done
fi
fn_printdots "Starting backup ${servicename}: ${servername}"
sleep 1
fn_printok "Starting backup ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Backup started"
echo -en "\n"
cd "${rootdir}"
mkdir -pv "${backupdir}" > /dev/null 2>&1
tar -cvzf "${backupdir}/${backupname}.tar.gz" --exclude "${backupdir}" *
echo -en "\r\033[K${servicename} Backup complete"
fn_scriptlog "Backup complete"
}

fn_distro(){
arch=$(uname -m)
kernel=$(uname -r)
if [ -f /etc/lsb-release ]; then
	os=$(lsb_release -s -d)
elif [ -f /etc/debian_version ]; then
	os="Debian $(cat /etc/debian_version)"
elif [ -f /etc/redhat-release ]; then
	os=$(cat /etc/redhat-release)
else
	os="$(uname -s) $(uname -r)"
fi
}

fn_uptime(){
uptime=$(</proc/uptime)
uptime=${uptime%%.*}
minutes=$(( uptime/60%60 ))
hours=$(( uptime/60/60%24 ))
days=$(( uptime/60/60/24 ))
}

fn_load(){
load=$(uptime|awk -F 'load average' '{ print $2 }')
}

fn_emailnotification(){
fn_distro
fn_uptime
fn_load
{
	echo -e "========================================\n${servicename} details\n========================================\n"
	echo -e "Service: ${servicename}"
	echo -e "Server: ${servername}"
	echo -e "Game: ${gamename}"
	echo -e "Failure reason: ${failurereason}"
	echo -e "Action Taken: ${actiontaken}\n"
	echo -e "========================================\nServer details\n========================================\n"
	echo -e "Date: $(date)"
	echo -e "Distro: ${os}"
	echo -e "Arch: ${arch}"
	echo -e "Kernel: ${kernel}"
	echo -e "Hostname: $HOSTNAME"
	echo -e "Uptime: ${days}d, ${hours}h, ${minutes}m"
	echo -e "Avg Load${load}\n"
	echo -e "========================================\nLogs\n========================================\n"
	echo -e "Script log\n===================\n"
}|tee "${scriptlogdir}/${servicename}-email.log" > /dev/null 2>&1
tail -25 "${scriptlog}" >> "${emaillog}"
if [ ! -z "${consolelog}" ]; then
	echo -e "\n\nConsole log\n====================\n" >> "${emaillog}"
	tail -25 "${consolelog}" >> "${emaillog}"
fi
if [ ! -z "${gamelogdir}" ]; then
	echo -e "\n\nServer log\n====================\n" >> "${emaillog}"
	tail "${gamelogdir}"/*|grep -v "==>"|sed '/^$/d'|tail -25 >> "${emaillog}"
fi
mail -s "${subject}" ${email} < "${emaillog}"
fn_printinfo "Sent email notification to ${email}"
sleep 1
echo -en "\n"
fn_scriptlog "Sent email notification to ${email}"
}

fn_emailtest(){
fn_rootcheck
fn_syscheck
fn_scriptlog "Emailing test notification"
if [ "${emailnotification}" = "on" ]; then
	subject="${servicename} Email Test Notification - Testing ${servername}"
	failurereason="Testing ${servicename} email notification"
	actiontaken="Sent test email...hello is this thing on?"
	fn_emailnotification
else
	fn_printfailnl "Email notification not enabled"
	fn_scriptlog "Email notification not enabled"
fi
sleep 1
echo -en "\n"
}

fn_serverquery(){
# 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')
		port=$((${gameport} + 1))
	elif [ "${engine}" == "spark" ]; then
		port=$((${port} + 1))
	fi
	fn_printinfo "Monitoring ${servicename}: Detected gsquery.py"
	sleep 1	
	fn_scriptlog "Detected gsquery.py"
	fn_printdots "Monitoring ${servicename}: Querying port: ${ip}:${port}: QUERYING"
	sleep 1	
	fn_scriptlog "Querying port: ${ip}:${port}: QUERYING"
	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 ${servicename}: Waiting 30 seconds to re-query"
			sleep 1
			fn_scriptlog "Waiting 30 seconds to re-query"
			sleep 29
			secondquery=1
			fn_serverquery
		fi
		if [ "${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"
		sleep 1		
		fn_scriptlog "Querying port: ${ip}:${port}: OK"
		echo -en "\n"
		exit
	elif [ "${exitcode}" == "126" ]; then
		fn_printfail "Monitoring ${servicename}: Querying port: ${ip}:${port}: ERROR: ./gsquery.py: Permission denied"
		sleep 1
		fn_scriptlog "Querying port: ${ip}:${port}: ./gsquery.py: Permission denied"
		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"
		sleep 1
		echo -en "\n"
		fn_scriptlog "Querying port: ${ip}:${port}: UNKNOWN ERROR"
		./gsquery.py -a ${ip} -p ${port} -e ${engine}
		exit
	fi
fi
}

fn_monitorserver(){
fn_rootcheck
fn_syscheck
fn_autoip
if [ ! -f ${lockselfname} ]; then 
	fn_printinfo "Monitoring ${servicename}: No lock file found: Monitor disabled"
	sleep 1
	echo -en "\n"
	exit
fi
fn_printdots "Monitoring ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Monitoring ${servername}"
updatecheck=$(ps -ef|grep "${selfname} update"|grep -v grep|wc -l)
if [ "${updatecheck}" = "0" ]; then
	fn_printdots "Monitoring ${servicename}: Checking session: CHECKING"
	sleep 1	
	fn_scriptlog "Checking session: CHECKING"
	tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
	if [ ${tmuxwc} -eq 1 ]; then
		fn_printok "Monitoring ${servicename}: Checking session: OK"
		sleep 1		
		echo -en "\n"
		fn_scriptlog "Checking session: OK"
		fn_serverquery
		exit
	else
		fn_printfail "Monitoring ${servicename}: Checking session: FAIL"
		fn_scriptlog "Checking session: FAIL"
		sleep 1
		echo -en "\n"
		if [ "${emailnotification}" = "on" ]; then
			subject="${servicename} Monitor - Starting ${servername}"
			failurereason="${servicename} process not running"
			actiontaken="${servicename} has been restarted"
			fn_emailnotification
		fi
		fn_scriptlog "Monitor is starting ${servername}"
		fn_startserver
	fi
else
	fn_printinfonl "Monitoring ${servicename}: Detected SteamCMD is checking for updates"
	sleep 1
	fn_scriptlog "Detected SteamCMD is checking for updates"
	fn_printinfonl "Monitoring ${servicename}: When updates complete ${servicename} will start"
	sleep 1	
	fn_scriptlog "When updates complete ${servicename} will start"
fi
}

fn_updateserver(){
fn_rootcheck
fn_syscheck
fn_printdots "Updating ${servicename}: ${servername}"
sleep 1
fn_printok "Updating ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Updating ${servername}"
cd "${rootdir}"
cd "steamcmd"
./steamcmd.sh +login ${steamuser} ${steampass} +force_install_dir "${filesdir}" +app_update ${appid} +quit|tee -a "${scriptlog}"
}

fn_validateserver(){
fn_rootcheck
fn_syscheck
fn_printwarn "Validating may overwrite some customised files."
sleep 1
echo -en "\n"
echo -en "https://developer.valvesoftware.com/wiki/SteamCMD#Validate"
sleep 5
echo -en "\n"
fn_printdots "Validating ${servicename}: ${servername}"
sleep 1
fn_printok "Validating ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Validating ${servername}"
cd "${rootdir}"
cd "steamcmd"
./steamcmd.sh +login ${steamuser} ${steampass} +force_install_dir "${filesdir}" +app_update ${appid} validate +quit|tee -a "${scriptlog}"
}

fn_restartserver(){
fn_scriptlog "Restarting ${servername}"
fn_stopserver
fn_startserver
}

fn_stopserver(){
fn_rootcheck
fn_syscheck
pid=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -E "^${servicename}:"|wc -l)
fn_printdots "Stopping ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Stopping ${servername}"
if [ "${pid}" == "0" ]; then
	fn_printfail "Stopping ${servicename}: ${servername} is already stopped"
	fn_scriptlog "${servername} is already stopped"
else
	tmux kill-session -t ${servicename}
	fn_printok "Stopping ${servicename}: ${servername}"
	fn_scriptlog "Stopped ${servername}"
fi
# Remove lock file
rm -f ${lockselfname}
sleep 1
echo -en "\n"
}

fn_startserver(){
fn_rootcheck
fn_syscheck
fn_autoip
fn_parms
fn_logmanager
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 0 ]; then
	mv "${scriptlog}" "${scriptlogdate}"
	mv "${consolelog}" "${consolelogdate}"
fi
fn_printdots "Starting ${servicename}: ${servername}"
sleep 1
fn_scriptlog "Starting ${servername}"
if [ ${tmuxwc} -eq 1 ]; then
	fn_printinfo "Starting ${servicename}: ${servername} is already running"
	sleep 1
	echo -en "\n"
	fn_scriptlog "${servername} is already running"
	exit
fi
# Create lock file
date > ${lockselfname}
cd "${executabledir}"
tmux new-session -d -s ${servicename} "${executable} ${parms}"
tmux pipe-pane -o -t ${servicename} "exec cat >> '${consolelog}'"
sleep 1
tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -E "^${servicename}:"|wc -l)
if [ ${tmuxwc} -eq 0 ]; then
	fn_printfail "Starting ${servicename}: Failed to start ${servername}"
	fn_scriptlog "failed to start ${servername}"
else
	fn_printok "Starting ${servicename}: ${servername}"
	fn_scriptlog "Started ${servername}"
fi
sleep 1
echo -en "\n"
}

fn_details(){
fn_autoip
servername=$(grep -s hostname "${servercfgfullpath}"|sed 's/hostname //g'|sed 's/"//g')
rcon=$(grep -s rcon_password "${servercfgfullpath}"|sed 's/rcon_password //g'|sed 's/"//g')
pid=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -E "^${servicename}:"|wc -l)
echo ""
echo "${gamename} Server Details"
echo "============================"
echo "Server name: ${servername}"
echo "Server IP: ${ip}:${port}"
echo "RCON password: ${rcon}"
echo "Config file: ${servercfgfullpath}"
echo ""
echo "${servername} Ports"
echo "============================"
echo "Ports the server is currently using."
echo ""
echo "DIRECTION	DESCRIPTION		PORT"
echo "INBOUND		Game/RCON port		${port}"
if [ ! -z ${sourcetvport} ]; then
	echo "INBOUND		SourceTV port		${sourcetvport}"
fi
echo "OUTBOUND	Client port		${clientport}"
echo ""
echo "You can change ports by editing the"
echo "start parameters in ${selfname}."
echo ""
if [ "${pid}" == "0" ]; then
	echo -e "Status:\e[0;31m OFFLINE\e[0;39m"
else
	echo -e "Status:\e[0;32m ONLINE\e[0;39m"
fi
echo ""
}

#
## Installer
#

fn_gmoddeps(){
echo "Copying libstdc++.so.6"
echo "================================="
cd "${filesdir}"
cp -v "${rootdir}/steamcmd/linux32/libstdc++.so.6" "${filesdir}"
sleep 1
echo ""
}

fn_header(){
clear
echo "================================="
echo "${gamename}"
echo "Linux Game Server Manager"
echo "by Daniel Gibbs"
echo "http://danielgibbs.co.uk"
echo "================================="
echo ""
}

fn_steamdl(){
echo "Installing SteamCMD"
echo "================================="
cd "${rootdir}"
mkdir -pv "steamcmd"
sleep 1
cd "steamcmd"
if [ ! -f steamcmd.sh ]; then
	wget http://media.steampowered.com/client/steamcmd_linux.tar.gz
	tar --verbose -zxf steamcmd_linux.tar.gz
	rm -v steamcmd_linux.tar.gz
	chmod +x steamcmd.sh
	sleep 1
else
	echo ""
	echo "Steam already installed!"
fi
sleep 1
echo ""
}

fn_steaminstall(){
echo "Installing ${gamename} Server"
echo "================================="
sleep 1
mkdir -pv "${filesdir}"
cd "${rootdir}/steamcmd"
STEAMEXE=steamcmd ./steamcmd.sh +login ${steamuser} ${steampass} +force_install_dir "${filesdir}" +app_update ${appid} validate +quit
echo ""
echo "================================="
while true; do
	read -p "Was the install successful? [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) fn_retryinstall;;
	* ) echo "Please answer yes or no.";;
	esac
done
echo ""
}

fn_steamfix(){
echo "Applying steamclient.so fix"
echo "================================="
sleep 1
mkdir -pv "${HOME}/.steam"
mkdir -pv "${HOME}/.steam/sdk32"
cp -v "${steamclient}" "${HOME}/.steam/sdk32/steamclient.so"
sleep 1
echo ""
}

fn_glibcfix(){
echo "Applying GLIBC_2.15 fix"
echo "================================="
sleep 1
mkdir -pv "${rootdir}/tmp"
echo "Downloading GLIBC_2.15"
wget -q http://security.ubuntu.com/ubuntu/pool/main/e/eglibc/libc6_2.15-0ubuntu10.6_i386.deb -O ${rootdir}/tmp/libc6_2.15-0ubuntu10.6_i386.deb
echo "Extracting files"
dpkg -x ${rootdir}/tmp/libc6_2.15-0ubuntu10.6_i386.deb ${rootdir}/tmp/
echo "Copying GLIBC_2.15 files into bin"
cp ${rootdir}/tmp/lib/i386-linux-gnu/* ${rootdir}/serverfiles/bin/
echo "Removing temporary folder"
rm -fr ${rootdir}/tmp/
sleep 1
echo ""
}

fn_loginstall(){
echo "Creating log directorys"
echo "================================="
sleep 1
mkdir -pv "${rootdir}/log"
mkdir -pv "${scriptlogdir}"
touch "${scriptlog}"
mkdir -pv "${consolelogdir}"
touch "${consolelog}"
if [ ! -h ${rootdir}/log/server ]; then
	ln -sv "${gamelogdir}" "${rootdir}/log/server"
else
	echo "Symbolic link ${gamelogdir} => ${rootdir}/log/server already exists!"
fi
sleep 1
echo ""
}

fn_retryinstall(){
while true; do
	read -p "Retry install? [y/N]" yn
	case $yn in
	[Yy]* ) fn_install;;
	[Nn]* ) echo Exiting; exit;;
	* ) echo "Please answer yes or no.";;
	esac
done
}

fn_install(){
fn_rootcheck
fn_header
if [ -d "${filesdir}" ]; then
	echo "${gamename} Server is already installed here:"
	pwd
	echo ""
	while true; do
		read -p "Continue [y/N]" yn
		case $yn in
		[Yy]* ) fn_header; break;;
		[Nn]* ) echo Exiting; return 1;;
		* ) echo "Please answer yes or no.";;
		esac
	done
fi
echo "Install Directory:"
pwd
echo ""
while true; do
	read -p "Continue [y/N]" yn
	case $yn in
	[Yy]* ) break;;
	[Nn]* ) echo Exiting; return 1;;
	* ) echo "Please answer yes or no.";;
	esac
done
fn_header
fn_steamdl
fn_steaminstall
fn_steamfix
fn_glibcfix
fn_loginstall
fn_gmoddeps
echo "Configuring ${gamename} Server"
echo "================================="
	sleep 1
	read -p "Enter server name: " servername
	read -p "Enter rcon password: " rconpass
	sleep 1
	echo "Creating server.cfg."
	touch "${defaultcfg}"
	echo "exec ${servicename}.cfg" > "${defaultcfg}"
	sleep 1
	echo "Creating ${servicename}.cfg config file."
	touch "${servercfgfullpath}"
	{
		echo -e "// Server Info"
		echo -e "hostname \"${servername}\""
		echo -e "sv_password \"\""
		echo -e ""
		echo -e "// RCON Settings"
		echo -e "rcon_password \"${rconpass}\""
		echo -e "sv_rcon_banpenalty 0"
		echo -e "sv_rcon_maxfailures 20"
		echo -e "sv_rcon_minfailures 20"
		echo -e "sv_rcon_minfailuretime 20"
		echo -e ""
		echo -e "// Network Settings"
		echo -e "sv_downloadurl \"\""
		echo -e "sv_loadingurl \"\""
		echo -e "net_maxfilesize 64"
		echo -e "sv_maxrate 40000"
		echo -e "sv_minrate 40000"
		echo -e "sv_maxupdaterate 66"
		echo -e "sv_minupdaterate 10"
		echo -e "sv_maxcmdrate 60"
		echo -e "sv_mincmdrate 10"
		echo -e ""
		echo -e "// Server Settings"
		echo -e "sv_airaccelerate 100"
		echo -e "sv_gravity 600"
		echo -e "sv_allow_wait_command 0"
		echo -e "sv_allow_voice_from_file 0"
		echo -e "sv_turbophysics 0"
		echo -e "sv_max_usercmd_future_ticks 12"
		echo -e "gmod_physiterations 2"
		echo -e "sv_client_min_interp_ratio 1"
		echo -e "sv_client_max_interp_ratio 2"
		echo -e "think_limit 20"
		echo -e "sv_region 0"
		echo -e "sv_noclipspeed 5"
		echo -e "sv_noclipaccelerate 5"
		echo -e "sv_lan 0"
		echo -e "sv_alltalk 1"
		echo -e "sv_contact youremail@changeme.com"
		echo -e "sv_cheats 0"
		echo -e "sv_allowcslua 0"
		echo -e "sv_pausable 0"
		echo -e "sv_filterban 1"
		echo -e "sv_forcepreload 1"
		echo -e "sv_footsteps 1"
		echo -e "sv_voiceenable 1"
		echo -e "sv_voicecodec vaudio_speex"
		echo -e "sv_timeout 120"
		echo -e "sv_deltaprint 0"
		echo -e "sv_allowupload 0"
		echo -e "sv_allowdownload 0"
		echo -e ""
		echo -e "// Sandbox Settings"
		echo -e "sbox_noclip 0"
		echo -e "sbox_godmode 0"
		echo -e "sbox_weapons 0"
		echo -e "sbox_plpldamage 0"
		echo -e "sbox_maxprops 100"
		echo -e "sbox_maxragdolls 50"
		echo -e "sbox_maxnpcs 10"
		echo -e "sbox_maxballoons 10"
		echo -e "sbox_maxeffects 0"
		echo -e "sbox_maxdynamite 0"
		echo -e "sbox_maxlamps 5"
		echo -e "sbox_maxthrusters 20"
		echo -e "sbox_maxwheels 20"
		echo -e "sbox_maxhoverballs 20"
		echo -e "sbox_maxvehicles 1"
		echo -e "sbox_maxbuttons 20"
		echo -e "sbox_maxemitters 0"
		echo -e "sbox_maxspawners 0"
		echo -e "sbox_maxturrets 0"
		echo -e ""
		echo -e "// Logging"
		echo -e "log on"
		echo -e "sv_logbans 1"
		echo -e "sv_logecho 1"
		echo -e "sv_logfile 1"
		echo -e "sv_log_onefile 0"
		echo -e "lua_log_sv 0"
		echo -e ""
		echo -e "// Misc Config"
		echo -e "exec banned_user.cfg"
		echo -e "exec banned_ip.cfg"
		echo -e "heartbeat"
	}|tee "${servercfgfullpath}" > /dev/null 2>&1
	sleep 1
	echo ""
	fn_header
	sleep 1
	fn_details
	sleep 1
	echo "================================="
	echo "Install Complete!"
	echo ""
	echo "To start server type:"
	echo "${selfname} start"
	echo ""
}

case "$1" in
	start)
		fn_startserver;;
	stop)
		fn_stopserver;;
	restart)
		fn_restartserver;;
	update)
		fn_updateserver;;
	update-restart)
		fn_stopserver
		fn_updateserver
		fn_startserver;;		
	validate)
		fn_validateserver;;
	validate-restart)
		fn_stopserver
		fn_validateserver
		fn_startserver;;
	monitor)
		fn_monitorserver;;
	email-test)
		fn_emailtest;;
	details)
		fn_details;;
	backup)
		fn_backupserver;;
	console)
		fn_console;;
	debug)
		fn_debugserver;;
	install)
		fn_install;;
	*)
	echo "Usage: $0 {start|stop|restart|update|update-restart|validate|validate-restart|monitor|email-test|details|backup|console|debug|install}"
	exit 1;;
esac
exit