From 927dc1aff9973e781af742be7835e499bb701a60 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Tue, 27 Oct 2015 14:11:11 +0100
Subject: luci-base: eliminiate use of uci state vars in luci.sys

Rewrite `luci.sys.wifi.getiwinfo()` to use the ubus wireless state instead of
depreacated uci state vars in order to map abstract network notation to
wireless ifnames.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
---
 modules/luci-base/luasrc/sys.lua | 34 ++++++++++++----------------------
 1 file changed, 12 insertions(+), 22 deletions(-)

(limited to 'modules/luci-base/luasrc/sys.lua')

diff --git a/modules/luci-base/luasrc/sys.lua b/modules/luci-base/luasrc/sys.lua
index 3977da3ed..77f4d44a5 100644
--- a/modules/luci-base/luasrc/sys.lua
+++ b/modules/luci-base/luasrc/sys.lua
@@ -581,30 +581,20 @@ function wifi.getiwinfo(ifname)
 	local stat, iwinfo = pcall(require, "iwinfo")
 
 	if ifname then
-		local c = 0
-		local u = uci.cursor_state()
 		local d, n = ifname:match("^(%w+)%.network(%d+)")
-		if d and n then
+		local wstate = luci.util.ubus("network.wireless", "status") or { }
+
+		d = d or ifname
+		n = n and tonumber(n) or 1
+
+		if type(wstate[d]) == "table" and
+		   type(wstate[d].interfaces) == "table" and
+		   type(wstate[d].interfaces[n]) == "table" and
+		   type(wstate[d].interfaces[n].ifname) == "string"
+		then
+			ifname = wstate[d].interfaces[n].ifname
+		else
 			ifname = d
-			n = tonumber(n)
-			u:foreach("wireless", "wifi-iface",
-				function(s)
-					if s.device == d then
-						c = c + 1
-						if c == n then
-							ifname = s.ifname or s.device
-							return false
-						end
-					end
-				end)
-		elseif u:get("wireless", ifname) == "wifi-device" then
-			u:foreach("wireless", "wifi-iface",
-				function(s)
-					if s.device == ifname and s.ifname then
-						ifname = s.ifname
-						return false
-					end
-				end)
 		end
 
 		local t = stat and iwinfo.type(ifname)
-- 
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