openwrt/package/base-files/files/lib/functions/uci-defaults.sh
Roman Yeryomin 940844e077 base-files: uci-defaults: do config flush in one shot
Moving a file between tmpfs and other fs is neither
faster nor safer, thus no point in doing it in two steps.
Use new jshn option to write output directly to file.

Originally discussed here:
http://lists.openwrt.org/pipermail/openwrt-devel/2017-December/010127.html

Signed-off-by: Roman Yeryomin <roman@advem.lv>
2019-10-22 11:39:28 +02:00

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#!/bin/ash
. /lib/functions.sh
. /usr/share/libubox/jshn.sh
json_select_array() {
local _json_no_warning=1
json_select "$1"
[ $? = 0 ] && return
json_add_array "$1"
json_close_array
json_select "$1"
}
json_select_object() {
local _json_no_warning=1
json_select "$1"
[ $? = 0 ] && return
json_add_object "$1"
json_close_object
json_select "$1"
}
ucidef_set_interface() {
local network=$1; shift
[ -z "$network" ] && return
json_select_object network
json_select_object "$network"
while [ -n "$1" ]; do
local opt=$1; shift
local val=$1; shift
[ -n "$opt" -a -n "$val" ] || break
json_add_string "$opt" "$val"
done
if ! json_is_a protocol string; then
case "$network" in
lan) json_add_string protocol static ;;
wan) json_add_string protocol dhcp ;;
*) json_add_string protocol none ;;
esac
fi
json_select ..
json_select ..
}
ucidef_set_board_id() {
json_select_object model
json_add_string id "$1"
json_select ..
}
ucidef_set_model_name() {
json_select_object model
json_add_string name "$1"
json_select ..
}
ucidef_set_interface_lan() {
ucidef_set_interface "lan" ifname "$1" protocol "${2:-static}"
}
ucidef_set_interface_wan() {
ucidef_set_interface "wan" ifname "$1" protocol "${2:-dhcp}"
}
ucidef_set_interfaces_lan_wan() {
local lan_if="$1"
local wan_if="$2"
ucidef_set_interface_lan "$lan_if"
ucidef_set_interface_wan "$wan_if"
}
_ucidef_add_switch_port() {
# inherited: $num $device $need_tag $want_untag $role $index $prev_role
# inherited: $n_cpu $n_ports $n_vlan $cpu0 $cpu1 $cpu2 $cpu3 $cpu4 $cpu5
n_ports=$((n_ports + 1))
json_select_array ports
json_add_object
json_add_int num "$num"
[ -n "$device" ] && json_add_string device "$device"
[ -n "$need_tag" ] && json_add_boolean need_tag "$need_tag"
[ -n "$want_untag" ] && json_add_boolean want_untag "$want_untag"
[ -n "$role" ] && json_add_string role "$role"
[ -n "$index" ] && json_add_int index "$index"
json_close_object
json_select ..
# record pointer to cpu entry for lookup in _ucidef_finish_switch_roles()
[ -n "$device" ] && {
export "cpu$n_cpu=$n_ports"
n_cpu=$((n_cpu + 1))
}
# create/append object to role list
[ -n "$role" ] && {
json_select_array roles
if [ "$role" != "$prev_role" ]; then
json_add_object
json_add_string role "$role"
json_add_string ports "$num"
json_close_object
prev_role="$role"
n_vlan=$((n_vlan + 1))
else
json_select_object "$n_vlan"
json_get_var port ports
json_add_string ports "$port $num"
json_select ..
fi
json_select ..
}
}
_ucidef_finish_switch_roles() {
# inherited: $name $n_cpu $n_vlan $cpu0 $cpu1 $cpu2 $cpu3 $cpu4 $cpu5
local index role roles num device need_tag want_untag port ports
json_select switch
json_select "$name"
json_get_keys roles roles
json_select ..
json_select ..
for index in $roles; do
eval "port=\$cpu$(((index - 1) % n_cpu))"
json_select switch
json_select "$name"
json_select ports
json_select "$port"
json_get_vars num device need_tag want_untag
json_select ..
json_select ..
if [ ${need_tag:-0} -eq 1 -o ${want_untag:-0} -ne 1 ]; then
num="${num}t"
device="${device}.${index}"
fi
json_select roles
json_select "$index"
json_get_vars role ports
json_add_string ports "$ports $num"
json_add_string device "$device"
json_select ..
json_select ..
json_select ..
json_select ..
json_select_object network
local devices
json_select_object "$role"
# attach previous interfaces (for multi-switch devices)
json_get_var devices ifname
if ! list_contains devices "$device"; then
devices="${devices:+$devices }$device"
fi
json_select ..
json_select ..
ucidef_set_interface "$role" ifname "$devices"
done
}
ucidef_set_ar8xxx_switch_mib() {
local name="$1"
local type="$2"
local interval="$3"
json_select_object switch
json_select_object "$name"
json_add_int ar8xxx_mib_type $type
json_add_int ar8xxx_mib_poll_interval $interval
json_select ..
json_select ..
}
ucidef_add_switch() {
local name="$1"; shift
local port num role device index need_tag prev_role
local cpu0 cpu1 cpu2 cpu3 cpu4 cpu5
local n_cpu=0 n_vlan=0 n_ports=0
json_select_object switch
json_select_object "$name"
json_add_boolean enable 1
json_add_boolean reset 1
for port in "$@"; do
case "$port" in
[0-9]*@*)
num="${port%%@*}"
device="${port##*@}"
need_tag=0
want_untag=0
[ "${num%t}" != "$num" ] && {
num="${num%t}"
need_tag=1
}
[ "${num%u}" != "$num" ] && {
num="${num%u}"
want_untag=1
}
;;
[0-9]*:*:[0-9]*)
num="${port%%:*}"
index="${port##*:}"
role="${port#[0-9]*:}"; role="${role%:*}"
;;
[0-9]*:*)
num="${port%%:*}"
role="${port##*:}"
;;
esac
if [ -n "$num" ] && [ -n "$device$role" ]; then
_ucidef_add_switch_port
fi
unset num device role index need_tag want_untag
done
json_select ..
json_select ..
_ucidef_finish_switch_roles
}
ucidef_add_switch_attr() {
local name="$1"
local key="$2"
local val="$3"
json_select_object switch
json_select_object "$name"
case "$val" in
true|false) [ "$val" != "true" ]; json_add_boolean "$key" $? ;;
[0-9]) json_add_int "$key" "$val" ;;
*) json_add_string "$key" "$val" ;;
esac
json_select ..
json_select ..
}
ucidef_add_switch_port_attr() {
local name="$1"
local port="$2"
local key="$3"
local val="$4"
local ports i num
json_select_object switch
json_select_object "$name"
json_get_keys ports ports
json_select_array ports
for i in $ports; do
json_select "$i"
json_get_var num num
if [ -n "$num" ] && [ $num -eq $port ]; then
json_select_object attr
case "$val" in
true|false) [ "$val" != "true" ]; json_add_boolean "$key" $? ;;
[0-9]) json_add_int "$key" "$val" ;;
*) json_add_string "$key" "$val" ;;
esac
json_select ..
fi
json_select ..
done
json_select ..
json_select ..
json_select ..
}
ucidef_set_interface_macaddr() {
local network="$1"
local macaddr="$2"
ucidef_set_interface "$network" macaddr "$macaddr"
}
ucidef_set_label_macaddr() {
local macaddr="$1"
json_select_object system
json_add_string label_macaddr "$macaddr"
json_select ..
}
ucidef_add_atm_bridge() {
local vpi="$1"
local vci="$2"
local encaps="$3"
local payload="$4"
local nameprefix="$5"
json_select_object dsl
json_select_object atmbridge
json_add_int vpi "$vpi"
json_add_int vci "$vci"
json_add_string encaps "$encaps"
json_add_string payload "$payload"
json_add_string nameprefix "$nameprefix"
json_select ..
json_select ..
}
ucidef_add_adsl_modem() {
local annex="$1"
local firmware="$2"
json_select_object dsl
json_select_object modem
json_add_string type "adsl"
json_add_string annex "$annex"
json_add_string firmware "$firmware"
json_select ..
json_select ..
}
ucidef_add_vdsl_modem() {
local annex="$1"
local tone="$2"
local xfer_mode="$3"
json_select_object dsl
json_select_object modem
json_add_string type "vdsl"
json_add_string annex "$annex"
json_add_string tone "$tone"
json_add_string xfer_mode "$xfer_mode"
json_select ..
json_select ..
}
ucidef_set_led_ataport() {
_ucidef_set_led_trigger "$1" "$2" "$3" ata"$4"
}
_ucidef_set_led_common() {
local cfg="led_$1"
local name="$2"
local sysfs="$3"
json_select_object led
json_select_object "$1"
json_add_string name "$name"
json_add_string sysfs "$sysfs"
}
ucidef_set_led_default() {
local default="$4"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string default "$default"
json_select ..
json_select ..
}
ucidef_set_led_gpio() {
local gpio="$4"
local inverted="$5"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string trigger "$trigger"
json_add_string type gpio
json_add_int gpio "$gpio"
json_add_boolean inverted "$inverted"
json_select ..
json_select ..
}
ucidef_set_led_ide() {
_ucidef_set_led_trigger "$1" "$2" "$3" ide-disk
}
ucidef_set_led_netdev() {
local dev="$4"
local mode="${5:-link tx rx}"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string type netdev
json_add_string device "$dev"
json_add_string mode "$mode"
json_select ..
json_select ..
}
ucidef_set_led_oneshot() {
_ucidef_set_led_timer $1 $2 $3 "oneshot" $4 $5
}
ucidef_set_led_portstate() {
local port_state="$4"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string trigger port_state
json_add_string type portstate
json_add_string port_state "$port_state"
json_select ..
json_select ..
}
ucidef_set_led_rssi() {
local iface="$4"
local minq="$5"
local maxq="$6"
local offset="${7:-0}"
local factor="${8:-1}"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string type rssi
json_add_string name "$name"
json_add_string iface "$iface"
json_add_string minq "$minq"
json_add_string maxq "$maxq"
json_add_string offset "$offset"
json_add_string factor "$factor"
json_select ..
json_select ..
}
ucidef_set_led_switch() {
local trigger_name="$4"
local port_mask="$5"
local speed_mask="$6"
local mode="$7"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string trigger "$trigger_name"
json_add_string type switch
json_add_string mode "$mode"
json_add_string port_mask "$port_mask"
json_add_string speed_mask "$speed_mask"
json_select ..
json_select ..
}
_ucidef_set_led_timer() {
local trigger_name="$4"
local delayon="$5"
local delayoff="$6"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string type "$trigger_name"
json_add_string trigger "$trigger_name"
json_add_int delayon "$delayon"
json_add_int delayoff "$delayoff"
json_select ..
json_select ..
}
ucidef_set_led_timer() {
_ucidef_set_led_timer $1 $2 $3 "timer" $4 $5
}
_ucidef_set_led_trigger() {
local trigger_name="$4"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string trigger "$trigger_name"
json_select ..
json_select ..
}
ucidef_set_led_usbdev() {
local dev="$4"
_ucidef_set_led_common "$1" "$2" "$3"
json_add_string type usb
json_add_string device "$dev"
json_select ..
json_select ..
}
ucidef_set_led_usbhost() {
_ucidef_set_led_trigger "$1" "$2" "$3" usb-host
}
ucidef_set_led_usbport() {
local obj="$1"
local name="$2"
local sysfs="$3"
shift
shift
shift
_ucidef_set_led_common "$obj" "$name" "$sysfs"
json_add_string type usbport
json_select_array ports
for port in "$@"; do
json_add_string port "$port"
done
json_select ..
json_select ..
json_select ..
}
ucidef_set_led_wlan() {
_ucidef_set_led_trigger "$1" "$2" "$3" "$4"
}
ucidef_set_rssimon() {
local dev="$1"
local refresh="$2"
local threshold="$3"
json_select_object rssimon
json_select_object "$dev"
[ -n "$refresh" ] && json_add_int refresh "$refresh"
[ -n "$threshold" ] && json_add_int threshold "$threshold"
json_select ..
json_select ..
}
ucidef_add_gpio_switch() {
local cfg="$1"
local name="$2"
local pin="$3"
local default="${4:-0}"
json_select_object gpioswitch
json_select_object "$cfg"
json_add_string name "$name"
json_add_int pin "$pin"
json_add_int default "$default"
json_select ..
json_select ..
}
ucidef_set_hostname() {
local hostname="$1"
json_select_object system
json_add_string hostname "$hostname"
json_select ..
}
ucidef_set_ntpserver() {
local server
json_select_object system
json_select_array ntpserver
for server in "$@"; do
json_add_string "" "$server"
done
json_select ..
json_select ..
}
board_config_update() {
json_init
[ -f ${CFG} ] && json_load "$(cat ${CFG})"
# auto-initialize model id and name if applicable
if ! json_is_a model object; then
json_select_object model
[ -f "/tmp/sysinfo/board_name" ] && \
json_add_string id "$(cat /tmp/sysinfo/board_name)"
[ -f "/tmp/sysinfo/model" ] && \
json_add_string name "$(cat /tmp/sysinfo/model)"
json_select ..
fi
}
board_config_flush() {
json_dump -i -o ${CFG}
}