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#!/bin/sh /etc/rc.common
START=70
pidfile='/var/run/babeld.pid'
EXTRA_COMMANDS="status"
EXTRA_HELP=" status Dump Babel's table to the log file."
listen_ifname() {
local ifname=$(uci_get_state network "$1" ifname "$1")
local switch="$2"
append args "$switch $ifname"
append interfaces "$ifname"
}
append_ifname() {
local section="$1"
local option="$2"
local switch="$3"
local _name
config_get _name "$section" "$option"
[ -z "$_name" ] && return 0
local ifname=$(uci_get_state network "$_name" ifname "$_name")
append args "$switch $ifname"
}
append_bool() {
local section="$1"
local option="$2"
local value="$3"
local _loctmp
config_get_bool _loctmp "$section" "$option" 0
[ "$_loctmp" -gt 0 ] && append args "$value"
}
append_switch() {
local value="$1"
local switch="$2"
append args "$switch $value"
}
append_parm() {
local section="$1"
local option="$2"
local switch="$3"
local _loctmp
config_get _loctmp "$section" "$option"
[ -z "$_loctmp" ] && return 0
append args "$switch $_loctmp"
}
babel_filter() {
local cfg="$1"
local _loctmp
local _ignored
config_get_bool _ignored "$cfg" 'ignore' 0
[ "$_ignored" -eq 1 ] && return 0
append args "-C '"
append_parm "$cfg" 'type' ''
append_bool "$cfg" 'local' 'local'
append_parm "$cfg" 'ip' 'ip'
append_parm "$cfg" 'eq' 'eq'
append_parm "$cfg" 'le' 'le'
append_parm "$cfg" 'ge' 'ge'
append_parm "$cfg" 'neigh' 'neigh'
append_parm "$cfg" 'id' 'id'
append_parm "$cfg" 'proto' 'proto'
append_ifname "$cfg" 'if' 'if'
append_parm "$cfg" 'action' ''
append args ' ' "'"
}
babel_addif() {
local cfg="$1"
local _ignored
config_get_bool _ignored "$cfg" 'ignore' 0
[ "$_ignored" -eq 1 ] && return 0
listen_ifname "$cfg" "-C 'interface"
append_parm "$cfg" 'wired' 'wired'
append_parm "$cfg" 'link_quality' 'link-quality'
append_parm "$cfg" 'split_horizon' 'split-horizon'
append_parm "$cfg" 'rxcost' 'rxcost'
append_parm "$cfg" 'hello_interval' 'hello-interval'
append_parm "$cfg" 'update_interval' 'update-interval'
append_parm "$cfg" 'enable_timestamps' 'enable-timestamps'
append_parm "$cfg" 'max_rtt_penalty' 'max-rtt-penalty'
append_parm "$cfg" 'rtt_decay' 'rtt-decay'
append_parm "$cfg" 'rtt_min' 'rtt-min'
append_parm "$cfg" 'rtt_max' 'rtt-max'
append args ' ' "'"
}
babel_config() {
local cfg="$1"
append_bool "$cfg" 'carrier_sense' '-l'
append_bool "$cfg" 'assume_wireless' '-w'
append_bool "$cfg" 'no_split_horizon' '-s'
append_bool "$cfg" 'keep_unfeasible' '-u'
append_bool "$cfg" 'random_router_id' '-r'
append_parm "$cfg" 'multicast_address' '-m'
append_parm "$cfg" 'port' '-p'
append_parm "$cfg" 'state_file' '-S'
append_parm "$cfg" 'hello_interval' '-h'
append_parm "$cfg" 'wired_hello_interval' '-H'
append_parm "$cfg" 'diversity' '-z'
append_parm "$cfg" 'smoothing_half_time' '-M'
append_parm "$cfg" 'kernel_priority' '-k'
append_parm "$cfg" 'duplication_priority' '-A'
append_parm "$cfg" 'debug' '-d'
append_parm "$cfg" 'local_server' '-g'
append_parm "$cfg" 'export_table' '-t'
config_list_foreach "$cfg" 'import_table' append_switch '-T'
append_parm "$cfg" 'conf_file' '-c'
append_parm "$cfg" 'log_file' '-L'
}
start() {
mkdir -p /var/lib
config_load babeld
unset args
unset interfaces
config_foreach babel_config general
config_foreach babel_addif interface
config_foreach babel_filter filter
[ -z "$interfaces" ] && return 0
eval "/usr/sbin/babeld -D -I $pidfile $args $interfaces"
}
stop() {
[ -f "$pidfile" ] && kill $(cat $pidfile)
# avoid race-condition on restart: wait for
# babeld to die for real.
[ -f "$pidfile" ] && sleep 1
[ -f "$pidfile" ] && sleep 1
[ -f "$pidfile" ] && sleep 1
[ -f "$pidfile" ] && exit 42
}
status() {
[ -f "$pidfile" ] && kill -USR1 $(cat $pidfile)
}
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