openwrt-owl/package/network/services/relayd/files/relay.init

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#!/bin/sh /etc/rc.common
# Copyright (c) 2011-2012 OpenWrt.org
START=80
USE_PROCD=1
PROG=/usr/sbin/relayd
validate_proto_relayd()
{
uci_validate_section network "interface" "${1}" \
'network:list(string)' \
'expiry:uinteger:30' \
'retry:uinteger:5' \
'table:range(0, 65535):16800' \
'forward_bcast:bool:1' \
'forward_dhcp:bool:1'
}
resolve_ifname() {
grep -qs "^ *$1:" /proc/net/dev && {
procd_append_param command -I "$1"
append ifaces "$1"
}
}
resolve_network() {
local ifn
fixup_interface "$1"
config_get ifn "$1" ifname
[ -z "$ifn" ] && return 1
resolve_ifname "$ifn"
}
start_relay() {
local cfg="$1"
local args=""
local ifaces=""
config_get proto "$cfg" proto
[[ "$proto" == relay ]] || return 0
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
[ -f "$SERVICE_PID_FILE" ] && {
if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
return 0
else
rm -f "$SERVICE_PID_FILE"
fi
}
procd_open_instance
procd_set_param command "$PROG"
local net networks
config_get networks "$cfg" network
for net in $networks; do
resolve_network "$net" || {
return 1
}
done
local ifn ifnames
config_get ifnames "$cfg" ifname
for ifn in $ifnames; do
resolve_ifname "$ifn"
done
local ipaddr
config_get ipaddr "$cfg" ipaddr
[ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
local gateway
config_get gateway "$cfg" gateway
[ -n "$gateway" ] && procd_append_param command -G "$gateway"
local expiry # = 30
config_get expiry "$cfg" expiry
[ -n "$expiry" ] && procd_append_param command "$expiry"
local retry # = 5
config_get retry "$cfg" retry
[ -n "$retry" ] && procd_append_param command -p "$retry"
local table # = 16800
config_get table "$cfg" table
[ -n "$table" ] && procd_append_param command -T "$table"
local fwd_bcast # = 1
config_get_bool fwd_bcast "$cfg" forward_bcast 1
[ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
local fwd_dhcp # = 1
config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
[ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
procd_close_instance
}
service_triggers()
{
procd_add_reload_trigger "network"
}
start_service() {
include /lib/network
config_load network
config_foreach start_relay interface
}