---

#!/bin/sh
#
# 3proxy daemon control script
#
### BEGIN INIT INFO
# Provides:          3proxy
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Should-Start:      $named
# Should-Stop:       $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: 3proxy HTTP Proxy
### END INIT INFO


ScriptName="3proxy"
ScriptFullName="/etc/init.d/3proxy"

ConfigFile="/etc/3proxy/3proxy.cfg"
LogDir="/var/log/3proxy"
PidFile="/tmp/3proxy.pid"

ResourcesData=""

main()
{
	LoadResources
	
	if [ ! -d "${LogDir}" ]
	then
		mkdir -p "${LogDir}";
	fi
	
	case "$1" in
		start)		Start ;;
		stop)		Stop ;;
		restart)	Stop; Start ;;
		status)		Status ;;
		*)			ShowHelp;;
	esac
}

Start()
{
	local msg
	local ProxyPID
	
	if [ ! -f "${ConfigFile}" ]
	then
		msg=`GetResource "msgConfigFileNotFound"`
		printf "${msg}" "${ConfigFile}"
		return
	fi
	
	if cat "${ConfigFile}" | grep -qe "^noconfig"
	then
		msg=`GetResource "msgNoconfigDetected"`
		printf "${msg}" "${ConfigFile}"
		return
	fi
	
	ProxyPID=`Get3proxyPID`
	
	if [ ! -z "${ProxyPID}" ]
	then
		msg=`GetResource "msg3proxyAlreadyRunning"`
		printf "${msg}" "${ProxyPID}"
		return
	fi
	
	3proxy "${ConfigFile}"
	sleep 1
	
	ProxyPID=`Get3proxyPID`
	
	if [ ! -f "${PidFile}" ] 
	then
		msg=`GetResource "msg3proxyStartProblems"`
		printf "${msg}"
		return
	fi
	
	if [ `cat "${PidFile}"` != "${ProxyPID}" ]
	then
		msg=`GetResource "msg3proxyStartProblems"`
		printf "${msg}"
		return
	fi
	
	msg=`GetResource "msg3proxyStartedSuccessfully"`
	printf "${msg}" `date +%d-%m-%Y" "%H:%M:%S` "${ProxyPID}"

}

Stop()
{
	local msg
	local ProxyPID
	
	ProxyPID=`Get3proxyPID`
	
	if [ -f "${PidFile}" ] 
	then
		if [ `cat "${PidFile}"` = "${ProxyPID}" ]
		then
			kill -9 "${ProxyPID}"
			rm -f "${PidFile}"
			
			msg=`GetResource "msg3proxyStoppedSuccessfully"`
			printf "${msg}" `date +%d-%m-%Y" "%H:%M:%S`
			
			return
		fi
	fi
	
	if [ -z "${ProxyPID}" ]
	then
		msg=`GetResource "msg3proxyProxyNotDetected"`
		printf "${msg}"
		
		return
	fi
	
	pkill -o 3proxy
	
	msg=`GetResource "msg3proxyStoppedByKillall"`
	printf "${msg}" `date +%d-%m-%Y" "%H:%M:%S` "${PidFile}"
	
}

Status()
{
	local msg
	local ProxyPID
	
	if [ -f "${PidFile}" ] 
	then
		msg=`GetResource "msgPidFileExists"`
		printf "${msg}" "${PidFile}" `cat "${PidFile}"`
	else
		msg=`GetResource "msgPidFileNotExists"`
		printf "${msg}" "${PidFile}"
	fi
	
	ProxyPID=`Get3proxyPID`
	
	if [ ! -z  "${ProxyPID}" ]
	then
		msg=`GetResource "msg3proxyProcessDetected"`
		printf "${msg}"
		ps -ef | awk '$8 ~ /^3proxy/ { print "User: " $1 "\tPID: " $2 }'
	else
		msg=`GetResource "msg3proxyProcessNotDetected"`
		printf "${msg}"
	fi
}

ShowHelp()
{
	local msg
	
	msg=`GetResource "msg3proxyHelp"`
	printf "${msg}" "${ScriptFullName}" "${ScriptName}"
}

Get3proxyPID()
{
	ps -ef | awk '$8 ~ /^3proxy/ { print $2; exit }'
}

LoadResources()
{
	local StartRow
	local EndRow
	local LngLabel
	local msgResourceErr="\aError! Script could not find resources!"
	
	if env | grep -q 'LANG=ru_RU.UTF-8' 
	then
		LngLabel="RU"
	else
		LngLabel="EN"
	fi
	
	StartRow=`cat "${ScriptFullName}" | awk "/^#Resources_${LngLabel}/ { print NR; exit}"`
	
	if [ -z "${StartRow}" ]
	then
		echo -e "${msgResourceErr}"
		exit 255
	fi
	
	EndRow=`cat "${ScriptFullName}" | awk "NR > ${StartRow} && /^#Resources_${LngLabel}_end/ { print NR; exit}"`
	
	if [ -z "${EndRow}" ]
	then
		echo -e "${msgResourceErr}"
		exit 255
	fi
	
	ResourcesData=`cat "${ScriptFullName}" | awk -v StartRow="${StartRow}" -v EndRow="${EndRow}" 'NR > StartRow && NR < EndRow { print $0 }'`
}

# $1 - Name of Resource
GetResource()
{
	local StartRow
	local EndRow
	local msgResourceErr="\aError! Script could not find resource \"${1}\"!"
	
	StartRow=`echo "${ResourcesData}" | awk "/^#Resource=${1}/ { print NR; exit}"`
	
	if [ -z "${StartRow}" ]
	then
		echo -e "${msgResourceErr}" > /dev/stderr
		exit 255
	fi
	
	EndRow=`echo "${ResourcesData}" | awk "NR > ${StartRow} && /^#endResource=${1}/ { print NR; exit}"`
	
	if [ -z "${EndRow}" ]
	then
		echo -e "${msgResourceErr}" > /dev/stderr
		exit 255
	fi
	
	echo "${ResourcesData}" | awk -v StartRow="${StartRow}" -v EndRow="${EndRow}" 'NR > StartRow && NR < EndRow { print $0 }'
}


main $@
exit 0;

#Resources_EN

#Resource=msg3proxyHelp
Usage:
\t%s {start|stop|restart}
or
\tservice %s {start|stop|restart|status}\\n
#endResource=msg3proxyHelp

#Resource=msgConfigFileNotFound
\a3proxy configuration file - "%s" is not found!\\n
#endResource=msgConfigFileNotFound

#Resource=msgNoconfigDetected
Parameter "noconfig" found in 3proxy configuration file -
"% s" !
To run 3proxy this parameter should be disabled.\\n
#endResource=msgNoconfigDetected

#Resource=msg3proxyAlreadyRunning
\a3proxy already running PID: %s\\n
#endResource=msg3proxyAlreadyRunning

#Resource=msg3proxyStartProblems
With the start of 3proxy, something is wrong! 
Use: service 3proxy status\\n
#endResource=msg3proxyStartProblems

#Resource=msg3proxyStartedSuccessfully
[ %s %s ] 3proxy started successfully! PID: %s\\n
#endResource=msg3proxyStartedSuccessfully

#Resource=msg3proxyStoppedSuccessfully
[ %s %s ] 3proxy stopped successfully!\\n
#endResource=msg3proxyStoppedSuccessfully

#Resource=msg3proxyProxyNotDetected
Process "3proxy" is not detected!\\n
#endResource=msg3proxyProxyNotDetected

#Resource=msg3proxyStoppedByKillall
[ %s %s ] Command "pkill -o 3proxy" was executed,
because process number was not stored in "%s",
but in fact 3proxy was runned!\\n
#endResource=msg3proxyStoppedByKillall

#Resource=msgPidFileExists
File "%s" exists. It contains the PID: %s\\n
#endResource=msgPidFileExists

#Resource=msgPidFileNotExists
File "%s" not found, that is, PID 3proxy was not stored!\\n
#endResource=msgPidFileNotExists

#Resource=msg3proxyProcessDetected
Process 3proxy detected:\\n
#endResource=msg3proxyProcessDetected

#Resource=msg3proxyProcessNotDetected
Processes of 3proxy is not found!\\n
#endResource=msg3proxyProcessNotDetected

#Resources_EN_end


#Resources_RU

#Resource=msg3proxyHelp
Используйте:
\t%s {start|stop|restart}
или
\tservice %s {start|stop|restart|status}\\n
#endResource=msg3proxyHelp

#Resource=msgConfigFileNotFound
\aФайл конфигурации 3proxy - "%s", не найден!\\n
#endResource=msgConfigFileNotFound

#Resource=msgNoconfigDetected
\aОбнаружен параметр "noconfig" в файле конфигурации 3proxy -
"%s" !
Для запуска 3proxy этот параметр нужно отключить.\\n
#endResource=msgNoconfigDetected

#Resource=msg3proxyAlreadyRunning
\a3proxy уже запущен PID: %s\\n
#endResource=msg3proxyAlreadyRunning

#Resource=msg3proxyStartProblems
\aСо стартом 3proxy, что-то не так!
Используйте: service 3proxy status\\n
#endResource=msg3proxyStartProblems

#Resource=msg3proxyStartedSuccessfully
[ %s %s ] 3proxy успешно стартовал! PID: %s\\n
#endResource=msg3proxyStartedSuccessfully

#Resource=msg3proxyStoppedSuccessfully
[ %s %s ] 3proxy успешно остановлен!\\n
#endResource=msg3proxyStoppedSuccessfully

#Resource=msg3proxyProxyNotDetected
Процесс "3proxy" не обнаружен!\\n
#endResource=msg3proxyProxyNotDetected

#Resource=msg3proxyStoppedByKillall
[ %s %s ] Выполнена команда "pkill -o 3proxy",
т.к. номер процесса не записан в "%s",
но по факту 3proxy рабатал!\\n
#endResource=msg3proxyStoppedByKillall

#Resource=msgPidFileExists
Файл "%s" есть. Он содержит PID: %s\\n
#endResource=msgPidFileExists

#Resource=msgPidFileNotExists
Файл "%s" не найден, т.е. PID 3proxy не был сохранён!\\n
#endResource=msgPidFileNotExists

#Resource=msg3proxyProcessDetected
Обнаружен процесс 3proxy:\\n
#endResource=msg3proxyProcessDetected

#Resource=msg3proxyProcessNotDetected
Процессов 3proxy не обнаружено!\\n
#endResource=msg3proxyProcessNotDetected

#Resources_RU_end