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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31542 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 97 insertions, 0 deletions

diff --git a/package/relayd/files/relay.init b/package/relayd/files/relay.init
new file mode 100644
index 000000000..98a38b4ea
--- /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
+}