#!/bin/sh /etc/rc.common
# Copyright (C) 2014 OpenWrt.org

START=10
USE_PROCD=1

validate_system_section() {
	uci_load_validate system system "$1" "$2" \
		'hostname:string:OpenWrt' \
		'conloglevel:uinteger' \
		'log_size:string' \
		'log_file_count:uinteger' \
		'log_file:string' \
		'log_ip:string' \
		'log_port:string' \
		'buffersize:uinteger' \
		'timezone:string:UTC' \
		'zonename:string'
}

system_config() {
	[ "$2" = 0 ] || {
		echo "validation failed"
		return 1
	}

	echo "$hostname" > /proc/sys/kernel/hostname
	[ -z "$conloglevel" -a -z "$buffersize" ] || dmesg ${conloglevel:+-n $conloglevel} ${buffersize:+-s $buffersize}

	if [ "$log_file" != "" ]; then
		  mkdir -p `dirname $log_file`
	fi
	procd_open_instance
		  procd_set_param command "syslogd"
		  procd_append_param command -t -n -C512 ${log_size:+-s ${log_size}} ${log_ip:+-L -R ${log_ip}:${log_port}} ${conloglevel:+-l $(( $conloglevel ))} ${log_file:+-O ${log_file} ${log_file_count:+-b ${log_file_count}}}
		  procd_set_param respawn 5 1 -1
	procd_close_instance
	#runtime change log level of components
	sysloglevel=$((conloglevel-1))
	if [[ $sysloglevel -lt 0 ]]; then
		  sysloglevel=0
	fi
	for x in `logadm -l | grep '^[a-z]'`; do
		  logadm -s $sysloglevel $x
	done

	echo "$timezone" > /tmp/TZ
	[ -n "$zonename" ] && [ -f "/usr/share/zoneinfo/${zonename// /_}" ] \
		&& ln -sf "/usr/share/zoneinfo/${zonename// /_}" /tmp/localtime \
		&& rm -f /tmp/TZ

	# apply timezone to kernel
	date -k
}

reload_service() {
	config_load system
	config_foreach validate_system_section system system_config
}

service_triggers() {
	procd_add_reload_trigger "system"
	procd_add_config_trigger "config.change" "system" /etc/init.d/system restart
	procd_add_validation validate_system_section
}

start_service() {
	reload_service
}
