#!/bin/sh /etc/rc.common
# Copyright (C) 2014 CESNET, z.s.p.o

START=99
RTPPROXY_BIN="/usr/bin/rtpproxy"

run_instance(){
	local params="$1"

	${RTPPROXY_BIN} $1
	echo "[INFO] rtpproxy instance $2 has started"
}

check_param(){
	local param="$1"
	local value="$2"
	local default_value="$3"

	if [ "$value" != "" ]; then
		rtpproxy_options=$rtpproxy_options" $param $value"
	else
		if [ "$default_value" != "" ]; then
			rtpproxy_options=$rtpproxy_options" $param $default_value"
		fi
	fi
}

check_special_param(){
	local param="$1"

	if [ "$param" != "" ]; then
		rtpproxy_options=$rtpproxy_options" $param"
	fi
}

handle_instance() {
	local site="$1"
	local socket opts ipaddr ip6addr rtpproxy_options

	config_get socket	"$site" socket
	config_get opts		"$site" opts
	config_get ipaddr	"$site" ipaddr
	config_get ip6addr	"$site" ip6addr
	config_get user		"$site" user

	check_param "-s" "$socket"
	check_param "-l" "$ipaddr"
	check_param "-6" "$ip6addr"
	check_param "-u" "$user" "nobody"
	check_special_param "$opts"

	run_instance "$rtpproxy_options" "$site"
}

start(){
	config_load rtpproxy
	local section="global"
	config_get_bool enabled global enabled 0

	if [ "$enabled" -eq 1 ]; then
		config_foreach handle_instance instance
	else
		echo "[WARNING] rtpproxy not yet configured. Edit /etc/config/rtpproxy first."
	fi
}

stop() {
	killall rtpproxy
}