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-rw-r--r--package/relayd/Makefile6
-rw-r--r--package/relayd/files/relay.hotplug36
-rw-r--r--package/relayd/files/relay.sh93
3 files changed, 134 insertions, 1 deletions
diff --git a/package/relayd/Makefile b/package/relayd/Makefile
index b17d40049..1881da928 100644
--- a/package/relayd/Makefile
+++ b/package/relayd/Makefile
@@ -1,5 +1,5 @@
#
-# Copyright (C) 2010 OpenWrt.org
+# Copyright (C) 2010-2011 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
@@ -32,6 +32,10 @@ TARGET_CFLAGS += -I$(STAGING_DIR)/usr/include
define Package/relayd/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/relayd $(1)/usr/sbin/relayd
+ $(INSTALL_DIR) $(1)/etc/hotplug.d/iface
+ $(INSTALL_DATA) ./files/relay.hotplug $(1)/etc/hotplug.d/iface/30-relay
+ $(INSTALL_DIR) $(1)/lib/network
+ $(INSTALL_DATA) ./files/relay.sh $(1)/lib/network/relay.sh
endef
$(eval $(call BuildPackage,relayd))
diff --git a/package/relayd/files/relay.hotplug b/package/relayd/files/relay.hotplug
new file mode 100644
index 000000000..b992fca08
--- /dev/null
+++ b/package/relayd/files/relay.hotplug
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Break recursion
+[ "$PROTO" = "relay" ] && exit 0
+
+include /lib/network
+scan_interfaces
+
+restart_relayd() {
+ local cfg="$1"
+
+ local proto
+ config_get proto "$1" proto
+ [ "$proto" = "relay" ] || return 0
+
+ local net networks
+ config_get networks "$cfg" network
+ for net in $networks; do
+ [ "$net" = "$INTERFACE" ] && {
+ env -i /sbin/ifup "$cfg" &
+ return 0
+ }
+ done
+
+ local ifn ifnames
+ config_get ifnames "$cfg" ifname
+ for ifn in $ifnames; do
+ [ "$ifn" = "$DEVICE" ] && {
+ env -i /sbin/ifup "$cfg" &
+ return 0
+ }
+ done
+}
+
+config_foreach restart_relayd interface
+
diff --git a/package/relayd/files/relay.sh b/package/relayd/files/relay.sh
new file mode 100644
index 000000000..3e5e84c87
--- /dev/null
+++ b/package/relayd/files/relay.sh
@@ -0,0 +1,93 @@
+# relay.sh - Abstract relayd protocol backend
+# Copyright (c) 2011 OpenWrt.org
+
+# Hook into scan_interfaces() to synthesize a .device option
+# This is needed for /sbin/ifup to properly dispatch control
+# to setup_interface_relay() even if no .ifname is set in
+# the configuration.
+scan_relay() {
+ config_set "$1" device "relay-$1"
+}
+
+# No coldplugging needed, relayd will be restarted if one of
+# the member interfaces goes up or down
+#coldplug_interface_relay() {
+# setup_interface_relay "relay-$1" "$1"
+#}
+
+setup_interface_relay() {
+ local iface="$1"
+ local cfg="$2"
+ local link="relay-$cfg"
+
+ local args=""
+ local ifaces=""
+
+ resolve_ifname() {
+ grep -qs "^ *$1:" /proc/net/dev && {
+ append args "-I $1"
+ append ifaces "$1"
+ }
+ }
+
+ resolve_network() {
+ local ifn
+ config_get ifn "$1" ifname
+ resolve_ifname "$ifn"
+ }
+
+ local net networks
+ config_get networks "$cfg" network
+ for net in $networks; do
+ resolve_network "$net"
+ done
+
+ local ifn ifnames
+ config_get ifnames "$cfg" ifname
+ for ifn in $ifnames; do
+ resolve_ifname "$ifn"
+ done
+
+ 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
+ [ $fwd_dhcp -eq 1 ] && append args "-D"
+
+ start-stop-daemon -b -S -m -p /var/run/$link.pid \
+ -x /usr/sbin/relayd -- $args
+
+ uci_set_state network "$cfg" device "$ifaces"
+
+ env -i ACTION="ifup" DEVICE="$link" INTERFACE="$cfg" PROTO="relay" \
+ /sbin/hotplug-call iface
+}
+
+stop_interface_relay() {
+ local cfg="$1"
+ local link="relay-$cfg"
+
+ env -i ACTION="ifdown" DEVICE="$link" INTERFACE="$cfg" PROTO="relay" \
+ /sbin/hotplug-call iface
+
+ service_kill relayd "/var/run/$link.pid"
+}
+