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#!/bin/sh /etc/rc.common
# Copyright (C) 2010-2025 OpenWrt.org

START=80
STOP=10
USE_PROCD=1
PROG='/usr/sbin/atalkd'

# Config file, contents and status
default_config="/etc/atalkd.conf"
atalkd_config=''
atalkd_error=0

# Log tag
log_tag='atalkd-init'

NL=$'\n'

generate_config() {
	# Setup section
	config_file=''
	config_overwrite=''

	handle_zone() {
		local value="$1"
		atalkd_config="$atalkd_config -zone $value"
	}

	parse_interface() {
		local section="$1"
		local _buffer=''
		local _value
		local _interface=''
		config_get _interface "$section" "interface"
		append _buffer "$_interface"
		[ -n "$_interface" ] || { 
			atalkd_error=1 && logger -p err -t "$log_tag" "Missing interface name for interface $section"
		}
		config_get _value "$section" "mode"
		[ -z "$_value" ] || append _buffer "-$_value"
		config_get _value "$section" "phase"
		[ -z "$_value" ] || append _buffer "-phase $_value"
		config_get _value "$section" "net"
		[ -z "$_value" ] || append _buffer "-net $_value"
		config_get _value "$section" "addr"
		[ -z "$_value" ] || append _buffer "-addr $_value"
		atalkd_config="$atalkd_config$_buffer"
		config_list_foreach "$section" zone handle_zone
		atalkd_config="$atalkd_config$NL"
	}

	config_load atalkd

	config_get disabled atalkd disabled '0'
	if [ "$disabled" = "1" ] ; then 
		logger -p info -t $log_tag "Disabled by config"
		exit 
	fi
	config_get config_file atalkd config_file "$default_config"
	config_get config_overwrite atalkd config_overwrite
	if [ "$config_overwrite" == "1" ] ; then
		config_foreach parse_interface interface
		mkdir -p `dirname "$config_file"`
		echo "$atalkd_config" > "$config_file"
		logger -p info -t $log_tag "Configuration written to $config_file"
	else
		logger -p info -t $log_tag 'Configuration not modified - atalkd:config_overwrite=0 or missing'
	fi
}

start_service() {
	generate_config

	[ "$atalkd_error" == "0" ] || exit

	procd_open_instance
	procd_set_param command $PROG -d -f "$config_file"
	procd_set_param file "$config_file"
	procd_set_param respawn
	procd_close_instance
}