relayd: use an init script instead of a legacy network proto handler (fixes #11276)

[openwrt/svn-archive/archive.git] / package / relayd / files / relay.init

diff --git a/package/relayd/files/relay.init b/package/relayd/files/relay.init
new file mode 100644 (file)
index 0000000..98a38b4
--- /dev/null
+++ b/package/relayd/files/relay.init
@@ -0,0 +1,97 @@
+#!/bin/sh /etc/rc.common
+# Copyright (c) 2011-2012 OpenWrt.org
+START=80
+
+resolve_ifname() {
+       grep -qs "^ *$1:" /proc/net/dev && {
+               append args "-I $1"
+               append ifaces "$1"
+       }
+}
+
+resolve_network() {
+       local ifn
+       config_get ifn "$1" ifname
+       [ -z "$ifn" ] && return 1
+       resolve_ifname "$ifn"
+       return 0
+}
+
+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
+       }
+
+       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" ] && append args "-L $ipaddr"
+
+       local gateway
+       config_get gateway "$cfg" gateway
+       [ -n "$gateway" ] && append args "-G $gateway"
+
+       local expiry # = 30
+       config_get expiry "$cfg" expiry
+       [ -n "$expiry" ] && append args "-t $expiry"
+
+       local retry # = 5
+       config_get retry "$cfg" retry
+       [ -n "$retry" ] && append args "-p $retry"
+
+       local table # = 16800
+       config_get table "$cfg" table
+       [ -n "$table" ] && append args "-T $table"
+
+       local fwd_bcast # = 1
+       config_get_bool fwd_bcast "$cfg" forward_bcast 1
+       [ $fwd_bcast -eq 1 ] && append args "-B"
+
+       local fwd_dhcp # = 1
+       config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
+       [ $fwd_dhcp -eq 1 ] && append args "-D"
+
+       service_start /usr/sbin/relayd $args
+}
+
+stop() {
+       for pid in /var/run/relay-*.pid; do
+               SERVICE_PID_FILE="$pid"
+               service_stop /usr/sbin/relayd
+               rm -f "$SERVICE_PID_FILE"
+       done
+}
+
+start() {
+       include /lib/network
+       scan_interfaces
+       config_foreach start_relay interface
+}