[package] base-files: add network_get_device() to network.sh

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31937 3c298f89-4303-0410-b956-a3cf2f4a3e73
dtaht · May 28, 2012 · 7de192f · 7de192f
1 parent e1df4ec
commit 7de192f
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
@@ -39,3 +39,18 @@ network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; }
 
 network_get_subnet()  { __network_ipaddr "$1" "$2" 4 1; }
 network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
+
+
+network_get_device()
+{
+	local __var="$1"
+	local __iface="$2"
+
+	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+	[ -n "$__tmp" ] || return 1
+
+	json_load "$__tmp"
+	json_get_var "$__var" device
+
+	return 0
+}