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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-02-25 23:23:40 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-02-25 23:23:40 +0000
commitfff64a6387ca4502516c188d0c590e0a92b840ef (patch)
treef61312513cc07cd2211fef2140757bdcbcab4445 /package/relayd/files/relay.sh
parent13bfc6e1cffbe40f512c585bb9b272d899f0f90e (diff)
[package] relayd: add uci integration
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25714 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/relayd/files/relay.sh')
-rw-r--r--package/relayd/files/relay.sh93
1 files changed, 93 insertions, 0 deletions
diff --git a/package/relayd/files/relay.sh b/package/relayd/files/relay.sh
new file mode 100644
index 0000000000..3e5e84c870
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+++ 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"
+}
+