#!/bin/sh /etc/rc.common
# Copyright (C) 2007 OpenWrt.org
START=50

SSD=start-stop-daemon
NAME=uvc_streamer
PIDF=/var/run/$NAME.pid
PROG=/sbin/$NAME

append_bool() {
	local section="$1"
	local option="$2"
	local value="$3"
	local _val
	config_get_bool _val "$section" "$option" '0'
	[ "$_val" -gt 0 ] && append args "$3"
}

append_string() {
	local section="$1"
	local option="$2"
	local value="$3"
	local _val
	config_get _val "$section" "$option"
	[ -n "$_val" ] && append args "$3 $_val"
}

start_service() {
	local section="$1"
	args=""
	append_string "$section" device "-d"
	append_string "$section" resolution "-r"
	append_bool "$section" framespersecond "-f"
	append_string "$section" port "-p"
	config_get_bool "enabled" "$section" "enabled" '1'
	[ "$enabled" -gt 0 ] && sleep 5s && $SSD -S -p $PIDF -q -x $PROG -- -b $args &
}

stop_service() {
	killall $NAME 2>&1 > /dev/null
	# FIXME: Fix Busybox start-stop-daemon to work with multiple PIDs
	# $SSD -K -p $PIDF -q
}

start() {
	config_load "uvc-streamer"
	config_foreach start_service "uvc-streamer"
}

stop() {
	config_load "uvc-streamer"
	config_foreach stop_service "uvc-streamer"
}