openwrt-packages-dist/sound/shairport-sync/files/shairport-sync.init

#!/bin/sh /etc/rc.common

NAME='shairport-sync'
START=99

USE_PROCD=1

append_arg() {
	local cfg="$1"
	local var="$2"
	local opt="$3"
	local def="$4"
	local val

	config_get val "$cfg" "$var"
	[ -n "$val" -o -n "$def" ] && procd_append_param command $opt "${val:-$def}"
}

append_bool() {
	local cfg="$1"
	local var="$2"
	local opt="$3"
	local def="$4"
	local val

	config_get_bool val "$cfg" "$var" "$def"
	[ "$val" = 1 ] && procd_append_param command "$opt"
}

start_shairport_service() {
	local cfg=$1
	local stuffing
        local device

	procd_open_instance

	procd_set_param command /usr/bin/$NAME

	append_arg "$cfg" name "-a"
	append_arg "$cfg" port "-p"
	append_arg "$cfg" airplaylatency "-A"
	append_arg "$cfg" ituneslatency "-i"

        config_get stuffing "$cfg" stuffing ""

	if [ -n "$stuffing" ] ; then
                case "x$stuffing" in
                        ( "xbasic" ) procd_append_param command -S basic ;;
                        ( "xsoxr" ) procd_append_param command -S soxr ;;
                        ( * ) logger "bad argument for -S option -- should be \"basic\" or \"soxr\"" ;;
                esac
        fi

	append_arg "$cfg" beforeaction "-B"
	append_arg "$cfg" afteraction "-E"
	append_bool "$cfg" awaitactioncompletion "-w"

        config_get device "$cfg" device ""
	if [ -n "$device" ] ; then
		procd_append_param command "--"
		append_arg "$cfg" device "-d"
		append_arg "$cfg" devicetype "-t"
		append_arg "$cfg" volumecontrolname "-c"
	fi

	procd_close_instance
}

service_triggers() { 
        procd_add_reload_trigger $NAME
} 

start_service() {
        config_load $NAME
	# Just a single instance
        start_shairport_service "main"
}