libs/core: implement special treatment of wireless in network model

libs/core/luasrc/model/network.lua

@@ -17,8 +17,8 @@ limitations under the License.
 
 ]]--
 
-local type, pairs, ipairs, table, i18n
+local type, pairs, ipairs, loadfile, table, i18n
-	= type, pairs, ipairs, table, luci.i18n
+	= type, pairs, ipairs, loadfile, table, luci.i18n
 
 local lmo = require "lmo"
 local nxo = require "nixio"
@@ -30,6 +30,28 @@ local uct = require "luci.model.uci.bind"
 
 module "luci.model.network"
 
+-- load extensions
+local ext
+local handler = { }
+
+for ext in nfs.glob(utl.libpath() .. "/model/network/*.lua") do
+	if nfs.access(ext) then
+		local m = loadfile(ext)
+		if m then
+			handler[#handler+1] = m()
+		end
+	end
+end
+
+function foreach_handler(code, ...)
+	local h
+	for _, h in ipairs(handler) do
+		if code(h, ...) then
+			return true
+		end
+	end
+	return false
+end
 
 local ub = uct.bind("network")
 local ifs, brs, sws
@@ -44,6 +66,12 @@ function init(cursor)
 		brs = { }
 		sws = { }
 
+		-- init handler
+		foreach_handler(function(h)
+			h:init(cursor)
+			h:find_interfaces(ifs, brs)
+		end)
+
 		-- read interface information
 		local n, i
 		for n, i in ipairs(nxo.getifaddrs()) do
@@ -150,6 +178,8 @@ function del_network(self, n)
 					ub.uci:delete("network", s['.name'])
 				end
 			end)
+
+		foreach_handler(function(h) h:del_network(n) end)
 	end
 	return r
 end
@@ -179,6 +209,8 @@ function rename_network(self, old, new)
 						ub.uci:set("network", s['.name'], "interface", new)
 					end
 				end)
+
+			foreach_handler(function(h) h:rename_network(old, new) end)
 		end
 	end
 	return r or false
@@ -198,9 +230,13 @@ function get_interfaces(self)
 end
 
 function ignore_interface(self, x)
+	if foreach_handler(function(h) return h:ignore_interface(x) end) then
+		return true
+	else
 		return (x:match("^wmaster%d") or x:match("^wifi%d")
 			or x:match("^hwsim%d") or x:match("^imq%d") or x == "lo")
 	end
+end
 
 
 network = ub:section("interface")
@@ -218,11 +254,27 @@ function network.is_bridge(self)
 end
 
 function network.add_interface(self, ifname)
+	local ifaces, iface
+
 	if type(ifname) ~= "string" then
-		ifname = ifname:name()
+		ifaces = { ifname:name() }
+	else
+		ifaces = ub:list(ifname)
+	end
+
+	for _, iface in ipairs(ifaces) do
+		if ifs[iface] then
+			-- make sure the interface is removed from all networks
+			local i = interface(iface)
+			local n = i:get_network()
+			if n then n:del_interface(iface) end
+
+			if ifs[iface].handler then
+				ifs[iface].handler:add_interface(self, iface, ifs[iface])
+			else
+				self:ifname(ub:list((self:ifname() or ''), iface))
+			end
 		end
-	if ifs[ifname] then
-		self:ifname(ub:list((self:ifname() or ''), ifname))
 	end
 end
 
@@ -230,8 +282,13 @@ function network.del_interface(self, ifname)
 	if type(ifname) ~= "string" then
 		ifname = ifname:name()
 	end
+
+	if ifs[ifname] and ifs[ifname].handler then
+		ifs[ifname].handler:del_interface(self, ifname, ifs[ifname])
+	else
 		self:ifname(ub:list((self:ifname() or ''), nil, ifname))
 	end
+end
 
 function network.get_interfaces(self)
 	local ifaces = { }
@@ -242,6 +299,11 @@ function network.get_interfaces(self)
 			ifaces[#ifaces+1] = interface(iface)
 		end
 	end
+	for iface, _ in pairs(ifs) do
+		if ifs[iface].network == self:name() then
+			ifaces[#ifaces+1] = interface(iface)
+		end
+	end
 	return ifaces
 end
 
@@ -259,6 +321,12 @@ function network.contains_interface(self, iface)
 		end
 	end
 
+	for i, _ in pairs(ifs) do
+		if ifs[i].dev and ifs[i].dev.network == self:name() then
+			return true
+		end
+	end
+
 	return false
 end
 
@@ -289,8 +357,8 @@ function interface.ip6addrs(self)
 end
 
 function interface.type(self)
-	if iwi.type(self.ifname) and iwi.type(self.ifname) ~= "dummy" then
+	if self.dev and self.dev.type then
-		return "wifi"
+		return self.dev.type
 	elseif brs[self.ifname] then
 		return "bridge"
 	elseif sws[self.ifname] or self.ifname:match("%.") then
@@ -300,6 +368,22 @@ function interface.type(self)
 	end
 end
 
+function interface.shortname(self)
+	if self.dev and self.dev.handler then
+		return self.dev.handler:shortname(self)
+	else
+		return self.ifname
+	end
+end
+
+function interface.get_i18n(self)
+	if self.dev and self.dev.handler then
+		return self.dev.handler:get_i18n(self)
+	else
+		return "%s: %q" %{ self:get_type_i18n(), self:name() }
+	end
+end
+
 function interface.get_type_i18n(self)
 	local x = self:type()
 	if x == "wifi" then
@@ -373,6 +457,10 @@ function interface.rx_packets(self)
 end
 
 function interface.get_network(self)
+	if self.dev and self.dev.network then
+		self.network = _M:get_network(self.dev.network)
+	end
+
 	if not self.network then
 		local net
 		for _, net in ipairs(_M:get_networks()) do

libs/core/luasrc/model/network/wireless.lua

@@ -0,0 +1,148 @@
+--[[
+LuCI - Network model - Wireless extension
+
+Copyright 2009 Jo-Philipp Wich <xm@subsignal.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+]]--
+
+local pairs, i18n, uci = pairs, luci.i18n, luci.model.uci
+
+local iwi = require "iwinfo"
+local utl = require "luci.util"
+local uct = require "luci.model.uci.bind"
+
+module "luci.model.network.wireless"
+
+local ub = uct.bind("wireless")
+local st, ifs
+
+function init(self, cursor)
+	cursor:unload("wireless")
+	cursor:load("wireless")
+	ub:init(cursor)
+
+	st = uci.cursor_state()
+	ifs = { }
+
+	local count = 0
+		
+	ub.uci:foreach("wireless", "wifi-iface",
+		function(s)
+			count = count + 1
+
+			local device = s.device or "wlan0"
+			local state = st:get_all("wireless", s['.name'])
+			local name = state.ifname or device .. ".network" .. count
+			
+			ifs[state and state.ifname or name] = {
+				idx      = count,
+				name     = state and state.ifname or name,
+				rawname  = state and state.ifname or name,
+				flags    = { },
+				ipaddrs  = { },
+				ip6addrs = { },
+
+				type     = "wifi",
+				network  = s.network,
+				handler  = self,
+				wifi     = state or s,
+				sid      = s['.name']
+			}
+		end)
+end
+
+function shortname(self, iface)
+	if iface.dev and iface.dev.wifi then
+		return "%s %q" %{
+			i18n.translate("a_s_if_iwmode_" .. (iface.dev.wifi.mode or "ap")), 
+			iface.dev.wifi.ssid or iface.dev.wifi.bssid or "(hidden)"
+		}
+	else
+		return iface:name()
+	end
+end
+
+function get_i18n(self, iface)
+	if iface.dev and iface.dev.wifi then
+		return "%s: %s %q" %{
+			i18n.translate("a_s_if_wifinet", "Wireless Network"),
+			i18n.translate("a_s_if_iwmode_" .. (iface.dev.wifi.mode or "ap"), iface.dev.wifi.mode or "AP"),
+			iface.dev.wifi.ssid or iface.dev.wifi.bssid or "(hidden)"
+		}
+	else
+		return "%s: %q" %{ i18n.translate("a_s_if_wifinet", "Wireless Network"), iface:name() }
+	end
+end
+
+function rename_network(self, old, new)
+	local i
+	for i, _ in pairs(ifs) do
+		if ifs[i].network == old then
+			ifs[i].network = new
+		end
+	end
+
+	ub.uci:foreach("wireless", "wifi-iface",
+		function(s)
+			if s.network == old then
+				if new then 
+					ub.uci:set("wireless", s['.name'], "network", new)
+				else
+					ub.uci:delete("wireless", s['.name'], "network")
+				end
+			end
+		end)
+end
+
+function del_network(self, old)
+	return self:rename_network(old, nil)
+end
+
+function find_interfaces(self, iflist, brlist)
+	local iface
+	for iface, _ in pairs(ifs) do
+		iflist[iface] = ifs[iface]
+	end
+end
+
+function ignore_interface(self, iface)
+	if ifs and ifs[iface] then
+		return false
+	else
+		return iwi.type(iface) and true or false
+	end
+end
+
+function add_interface(self, net, iface)
+	if ifs and ifs[iface] and ifs[iface].sid then
+		ub.uci:set("wireless", ifs[iface].sid, "network", net:name())
+		ifs[iface].network = net:name()
+		return true
+	end
+
+	return false
+end
+
+function del_interface(self, net, iface)
+	if ifs and ifs[iface] and ifs[iface].sid then
+		ub.uci:delete("wireless", ifs[iface].sid, "network")
+		--return true
+	end
+
+	return false
+end
+
+return _M
+