openwrt-packages/net/mstpd/files/etc/init.d/mstpd.init

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#!/bin/sh /etc/rc.common
# shellcheck disable=SC2034 # foo appears unused. Verify it or export it.
START=25
STOP=99
MSTPCTL="/usr/sbin/mstpctl"
MSTPD="/usr/sbin/mstpd"
USE_PROCD=1
mstpd_get_bridges() {
"$MSTPCTL" showbridge | grep -v "^ " | cut -d " " -f 1 2>/dev/null
}
# mstpd log levels
# LOG_LEVEL_NONE 0
# LOG_LEVEL_ERROR 1
# LOG_LEVEL_INFO 2
# LOG_LEVEL_DEBUG 3
# LOG_LEVEL_STATE_MACHINE_TRANSITION 4
# LOG_LEVEL_MAX 100
config_bridge_port_mstpd() {
local config="$1"
local index=$2 # FIXME: maybe remove index later
local name=$3
[ -n "$index" -a -n "$name" ] || return 0
config_get br_index "$config" br_index
[ -n "$br_index" ] || return 0
[ "$index" = "$br_index" ] || return 0
config_get port_name "$config" name
[ -n "$port_name" ] || return 0
for opt in bpduguard; do
config_get $opt "$config" $opt
eval optval=\$$opt
[ -z "$optval" ] || "$MSTPCTL" "set$opt" "$name" "$port_name" "$optval"
done
}
config_bridge_mstpd() {
local config="$1"
local optval=
local name=
local enable=
local mstid=0 # for the moment, using only MSTID
config_get index "$config" index
[ -n "$index" ] || return 1
# Get bridge name
config_get name "$config" name
[ -n "$name" ] || return 0
config_get enable "$config" enable
if [ "$enable" != "1" ] ; then
return 0
fi
list_contains MSTPD_PREINSTALLED_BRIDGES "$name" || \
"$MSTPCTL" addbridge "$name"
# All options here have 'set$opt' equivalent calls in mstpd,
# hence this trick with the loop
for opt in maxage fdelay maxhops hello ageing forcevers txholdcount; do
config_get $opt "$config" "$opt"
eval optval=\$$opt
[ -z "$optval" ] || "$MSTPCTL" set$opt "$name" "$optval"
done
config_get treeprio "$config" treeprio
[ -z "$treeprio" ] || $MSTPCTL settreeprio "$name" "$mstid" "$treeprio"
config_foreach config_bridge_port_mstpd bridge_port "$index" "$name"
CONFIGURED_BRIDGES="$CONFIGURED_BRIDGES $name"
export CONFIGURED_BRIDGES
}
start_service() {
procd_open_instance
procd_set_param command $MSTPD
procd_append_param command -v 2
procd_append_param command -d # don't daemonize, procd will handle that for us
procd_append_param command -s # print to syslog
# set auto respawn behavior
procd_set_param respawn
# reload config on respawn
procd_open_trigger
procd_add_raw_trigger "instance.start" 2000 "/etc/init.d/mstpd" "reload"
procd_close_trigger
procd_close_instance
}
service_running() {
pgrep mstpd >/dev/null 2>&1
}
reload_service() {
if ! running ; then
start
return
fi
unset CONFIGURED_BRIDGES
MSTPD_PREINSTALLED_BRIDGES="$(mstpd_get_bridges)"
export MSTPD_PREINSTALLED_BRIDGES
config_load 'mstpd'
config_foreach config_bridge_mstpd bridge
for bridge in $(mstpd_get_bridges) ; do
list_contains CONFIGURED_BRIDGES "$bridge" || \
$MSTPCTL delbridge "$bridge"
done
# return 0 (success) here, otherwise, and endless restart loop will occur from procd
# because the last return code may be mstpctl failing
return 0
}