X-Git-Url: http://git.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fcore%2Fluasrc%2Fmodel%2Fnetwork.lua;h=cc572298c69b5262f02af232ab45040a528c0627;hp=53649dde5579f1ec053dab993d32c25a8be72d0e;hb=8772db16759352146a069f2bb7394a4a4213ba0f;hpb=5c2000a1572afd0df74339775dfa8b61e287a53e

diff --git a/libs/core/luasrc/model/network.lua b/libs/core/luasrc/model/network.lua
index 53649dde55..cc572298c6 100644
--- a/libs/core/luasrc/model/network.lua
+++ b/libs/core/luasrc/model/network.lua
@@ -1,7 +1,7 @@
 --[[
 LuCI - Network model
 
-Copyright 2009 Jo-Philipp Wich <xm@subsignal.org>
+Copyright 2009-2010 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.
@@ -17,169 +17,387 @@ limitations under the License.
 
 ]]--
 
-local type, pairs, ipairs, loadfile, table, i18n
-	= type, pairs, ipairs, loadfile, table, luci.i18n
+local type, next, pairs, ipairs, loadfile, table
+	= type, next, pairs, ipairs, loadfile, table
 
-local lmo = require "lmo"
+local tonumber, tostring, math = tonumber, tostring, math
+
+local require = require
+
+local bus = require "ubus"
 local nxo = require "nixio"
 local nfs = require "nixio.fs"
-local iwi = require "iwinfo"
 local ipc = require "luci.ip"
+local sys = require "luci.sys"
 local utl = require "luci.util"
-local uct = require "luci.model.uci.bind"
+local dsp = require "luci.dispatcher"
+local uci = require "luci.model.uci"
+local lng = require "luci.i18n"
 
 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()
+IFACE_PATTERNS_VIRTUAL  = { }
+IFACE_PATTERNS_IGNORE   = { "^wmaster%d", "^wifi%d", "^hwsim%d", "^imq%d", "^ifb%d", "^mon%.wlan%d", "^sit%d", "^gre%d", "^lo$" }
+IFACE_PATTERNS_WIRELESS = { "^wlan%d", "^wl%d", "^ath%d", "^%w+%.network%d" }
+
+
+protocol = utl.class()
+
+local _protocols = { }
+
+local _interfaces, _bridge, _switch, _tunnel
+local _ubus, _ubusnetcache, _ubusdevcache
+local _uci_real, _uci_state
+
+function _filter(c, s, o, r)
+	local val = _uci_real:get(c, s, o)
+	if val then
+		local l = { }
+		if type(val) == "string" then
+			for val in val:gmatch("%S+") do
+				if val ~= r then
+					l[#l+1] = val
+				end
+			end
+			if #l > 0 then
+				_uci_real:set(c, s, o, table.concat(l, " "))
+			else
+				_uci_real:delete(c, s, o)
+			end
+		elseif type(val) == "table" then
+			for _, val in ipairs(val) do
+				if val ~= r then
+					l[#l+1] = val
+				end
+			end
+			if #l > 0 then
+				_uci_real:set(c, s, o, l)
+			else
+				_uci_real:delete(c, s, o)
+			end
+		end
+	end
+end
+
+function _append(c, s, o, a)
+	local val = _uci_real:get(c, s, o) or ""
+	if type(val) == "string" then
+		local l = { }
+		for val in val:gmatch("%S+") do
+			if val ~= a then
+				l[#l+1] = val
+			end
+		end
+		l[#l+1] = a
+		_uci_real:set(c, s, o, table.concat(l, " "))
+	elseif type(val) == "table" then
+		local l = { }
+		for _, val in ipairs(val) do
+			if val ~= a then
+				l[#l+1] = val
+			end
 		end
+		l[#l+1] = a
+		_uci_real:set(c, s, o, l)
 	end
 end
 
-function foreach_handler(code, ...)
-	local h
-	for _, h in ipairs(handler) do
-		if code(h, ...) then
+function _stror(s1, s2)
+	if not s1 or #s1 == 0 then
+		return s2 and #s2 > 0 and s2
+	else
+		return s1
+	end
+end
+
+function _get(c, s, o)
+	return _uci_real:get(c, s, o)
+end
+
+function _set(c, s, o, v)
+	if v ~= nil then
+		if type(v) == "boolean" then v = v and "1" or "0" end
+		return _uci_real:set(c, s, o, v)
+	else
+		return _uci_real:delete(c, s, o)
+	end
+end
+
+function _wifi_iface(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_WIRELESS) do
+		if x:match(p) then
 			return true
 		end
 	end
 	return false
 end
 
-local ub = uct.bind("network")
-local ifs, brs, sws
+function _wifi_lookup(ifn)
+	-- got a radio#.network# pseudo iface, locate the corresponding section
+	local radio, ifnidx = ifn:match("^(%w+)%.network(%d+)$")
+	if radio and ifnidx then
+		local sid = nil
+		local num = 0
 
-function init(cursor)
-	if cursor then
-		cursor:unload("network")
-		cursor:load("network")
-		ub:init(cursor)
-
-		ifs = { }
-		brs = { }
-		sws = { }
-
-		-- init handler
-		foreach_handler(function(h)
-			h:init(cursor)
-			h:find_interfaces(ifs, brs)
-		end)
+		ifnidx = tonumber(ifnidx)
+		_uci_real:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.device == radio then
+					num = num + 1
+					if num == ifnidx then
+						sid = s['.name']
+						return false
+					end
+				end
+			end)
 
-		-- read interface information
-		local n, i
-		for n, i in ipairs(nxo.getifaddrs()) do
-			local name = i.name:match("[^:]+")
-			local prnt = name:match("^([^%.]+)%.")
-
-			if not _M:ignore_interface(name) then
-				ifs[name] = ifs[name] or {
-					idx      = i.ifindex or n,
-					name     = name,
-					rawname  = i.name,
-					flags    = { },
-					ipaddrs  = { },
-					ip6addrs = { }
-				}
+		return sid
 
-				if prnt then
-					sws[name] = true
-					sws[prnt] = true
-				end
+	-- looks like wifi, try to locate the section via state vars
+	elseif _wifi_iface(ifn) then
+		local sid = nil
 
-				if i.family == "packet" then
-					ifs[name].flags   = i.flags
-					ifs[name].stats   = i.data
-					ifs[name].macaddr = i.addr
-				elseif i.family == "inet" then
-					ifs[name].ipaddrs[#ifs[name].ipaddrs+1] = ipc.IPv4(i.addr, i.netmask)
-				elseif i.family == "inet6" then
-					ifs[name].ip6addrs[#ifs[name].ip6addrs+1] = ipc.IPv6(i.addr, i.netmask)
+		_uci_state:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.ifname == ifn then
+					sid = s['.name']
+					return false
 				end
+			end)
+
+		return sid
+	end
+end
+
+function _iface_virtual(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_VIRTUAL) do
+		if x:match(p) then
+			return true
+		end
+	end
+	return false
+end
+
+function _iface_ignore(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_IGNORE) do
+		if x:match(p) then
+			return true
+		end
+	end
+	return _iface_virtual(x)
+end
+
+
+function init(cursor)
+	_uci_real  = cursor or _uci_real or uci.cursor()
+	_uci_state = _uci_real:substate()
+
+	_interfaces = { }
+	_bridge     = { }
+	_switch     = { }
+	_tunnel     = { }
+
+	_ubus         = bus.connect()
+	_ubusnetcache = { }
+	_ubusdevcache = { }
+
+	-- read interface information
+	local n, i
+	for n, i in ipairs(nxo.getifaddrs()) do
+		local name = i.name:match("[^:]+")
+		local prnt = name:match("^([^%.]+)%.")
+
+		if _iface_virtual(name) then
+			_tunnel[name] = true
+		end
+
+		if _tunnel[name] or not _iface_ignore(name) then
+			_interfaces[name] = _interfaces[name] or {
+				idx      = i.ifindex or n,
+				name     = name,
+				rawname  = i.name,
+				flags    = { },
+				ipaddrs  = { },
+				ip6addrs = { }
+			}
+
+			if prnt then
+				_switch[name] = true
+				_switch[prnt] = true
+			end
+
+			if i.family == "packet" then
+				_interfaces[name].flags   = i.flags
+				_interfaces[name].stats   = i.data
+				_interfaces[name].macaddr = i.addr
+			elseif i.family == "inet" then
+				_interfaces[name].ipaddrs[#_interfaces[name].ipaddrs+1] = ipc.IPv4(i.addr, i.netmask)
+			elseif i.family == "inet6" then
+				_interfaces[name].ip6addrs[#_interfaces[name].ip6addrs+1] = ipc.IPv6(i.addr, i.netmask)
 			end
 		end
+	end
 
-		-- read bridge informaton
-		local b, l
-		for l in utl.execi("brctl show") do
-			if not l:match("STP") then
-				local r = utl.split(l, "%s+", nil, true)
-				if #r == 4 then
-					b = {
-						name    = r[1],
-						id      = r[2],
-						stp     = r[3] == "yes",
-						ifnames = { ifs[r[4]] }
-					}
-					if b.ifnames[1] then
-						b.ifnames[1].bridge = b
-					end
-					brs[r[1]] = b
-				elseif b then
-					b.ifnames[#b.ifnames+1] = ifs[r[2]]
-					b.ifnames[#b.ifnames].bridge = b
+	-- read bridge informaton
+	local b, l
+	for l in utl.execi("brctl show") do
+		if not l:match("STP") then
+			local r = utl.split(l, "%s+", nil, true)
+			if #r == 4 then
+				b = {
+					name    = r[1],
+					id      = r[2],
+					stp     = r[3] == "yes",
+					ifnames = { _interfaces[r[4]] }
+				}
+				if b.ifnames[1] then
+					b.ifnames[1].bridge = b
 				end
+				_bridge[r[1]] = b
+			elseif b then
+				b.ifnames[#b.ifnames+1] = _interfaces[r[2]]
+				b.ifnames[#b.ifnames].bridge = b
 			end
 		end
 	end
+
+	return _M
+end
+
+function save(self, ...)
+	_uci_real:save(...)
+	_uci_real:load(...)
+end
+
+function commit(self, ...)
+	_uci_real:commit(...)
+	_uci_real:load(...)
+end
+
+function ifnameof(self, x)
+	if utl.instanceof(x, interface) then
+		return x:name()
+	elseif utl.instanceof(x, protocol) then
+		return x:ifname()
+	elseif type(x) == "string" then
+		return x:match("^[^:]+")
+	end
+end
+
+function get_protocol(self, protoname, netname)
+	local v = _protocols[protoname]
+	if v then
+		return v(netname or "__dummy__")
+	end
+end
+
+function get_protocols(self)
+	local p = { }
+	local _, v
+	for _, v in ipairs(_protocols) do
+		p[#p+1] = v("__dummy__")
+	end
+	return p
+end
+
+function register_protocol(self, protoname)
+	local proto = utl.class(protocol)
+
+	function proto.__init__(self, name)
+		self.sid = name
+	end
+
+	function proto.proto(self)
+		return protoname
+	end
+
+	_protocols[#_protocols+1] = proto
+	_protocols[protoname]     = proto
+
+	return proto
+end
+
+function register_pattern_virtual(self, pat)
+	IFACE_PATTERNS_VIRTUAL[#IFACE_PATTERNS_VIRTUAL+1] = pat
 end
 
+
 function has_ipv6(self)
 	return nfs.access("/proc/net/ipv6_route")
 end
 
 function add_network(self, n, options)
-	if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not self:get_network(n) then
-		if ub.uci:section("network", "interface", n, options) then
+	local oldnet = self:get_network(n)
+	if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not oldnet then
+		if _uci_real:section("network", "interface", n, options) then
 			return network(n)
 		end
+	elseif oldnet and oldnet:is_empty() then
+		if options then
+			local k, v
+			for k, v in pairs(options) do
+				oldnet:set(k, v)
+			end
+		end
+		return oldnet
 	end
 end
 
 function get_network(self, n)
-	if n and ub.uci:get("network", n) == "interface" then
+	if n and _uci_real:get("network", n) == "interface" then
 		return network(n)
 	end
 end
 
 function get_networks(self)
 	local nets = { }
-	ub.uci:foreach("network", "interface",
+	local nls = { }
+
+	_uci_real:foreach("network", "interface",
 		function(s)
-			nets[#nets+1] = network(s['.name'])
+			nls[s['.name']] = network(s['.name'])
 		end)
+
+	local n
+	for n in utl.kspairs(nls) do
+		nets[#nets+1] = nls[n]
+	end
+
 	return nets
 end
 
 function del_network(self, n)
-	local r = ub.uci:delete("network", n)
+	local r = _uci_real:delete("network", n)
 	if r then
-		ub.uci:foreach("network", "alias",
-			function(s)
-				if s.interface == n then
-					ub.uci:delete("network", s['.name'])
-				end
-			end)
-		ub.uci:foreach("network", "route",
+		_uci_real:delete_all("network", "alias",
+			function(s) return (s.interface == n) end)
+
+		_uci_real:delete_all("network", "route",
+			function(s) return (s.interface == n) end)
+
+		_uci_real:delete_all("network", "route6",
+			function(s) return (s.interface == n) end)
+
+		_uci_real:foreach("wireless", "wifi-iface",
 			function(s)
-				if s.interface == n then
-					ub.uci:delete("network", s['.name'])
+				local net
+				local rest = { }
+				for net in utl.imatch(s.network) do
+					if net ~= n then
+						rest[#rest+1] = net
+					end
 				end
-			end)
-		ub.uci:foreach("network", "route6",
-			function(s)
-				if s.interface == n then
-					ub.uci:delete("network", s['.name'])
+				if #rest > 0 then
+					_uci_real:set("wireless", s['.name'], "network",
+					              table.concat(rest, " "))
+				else
+					_uci_real:delete("wireless", s['.name'], "network")
 				end
 			end)
-
-		foreach_handler(function(h) h:del_network(n) end)
 	end
 	return r
 end
@@ -187,1194 +405,1137 @@ end
 function rename_network(self, old, new)
 	local r
 	if new and #new > 0 and new:match("^[a-zA-Z0-9_]+$") and not self:get_network(new) then
-		r = ub.uci:section("network", "interface", new,
-			ub.uci:get_all("network", old))
+		r = _uci_real:section("network", "interface", new, _uci_real:get_all("network", old))
 
 		if r then
-			ub.uci:foreach("network", "alias",
+			_uci_real:foreach("network", "alias",
 				function(s)
 					if s.interface == old then
-						ub.uci:set("network", s['.name'], "interface", new)
+						_uci_real:set("network", s['.name'], "interface", new)
 					end
 				end)
-			ub.uci:foreach("network", "route",
+
+			_uci_real:foreach("network", "route",
 				function(s)
 					if s.interface == old then
-						ub.uci:set("network", s['.name'], "interface", new)
+						_uci_real:set("network", s['.name'], "interface", new)
 					end
 				end)
-			ub.uci:foreach("network", "route6",
+
+			_uci_real:foreach("network", "route6",
 				function(s)
 					if s.interface == old then
-						ub.uci:set("network", s['.name'], "interface", new)
+						_uci_real:set("network", s['.name'], "interface", new)
 					end
 				end)
 
-			foreach_handler(function(h) h:rename_network(old, new) end)
+			_uci_real:foreach("wireless", "wifi-iface",
+				function(s)
+					local net
+					local list = { }
+					for net in utl.imatch(s.network) do
+						if net == old then
+							list[#list+1] = new
+						else
+							list[#list+1] = net
+						end
+					end
+					if #list > 0 then
+						_uci_real:set("wireless", s['.name'], "network",
+						              table.concat(list, " "))
+					end
+				end)
+
+			_uci_real:delete("network", old)
 		end
 	end
 	return r or false
 end
 
 function get_interface(self, i)
-	if ifs[i] then
+	if _interfaces[i] or _wifi_iface(i) then
 		return interface(i)
 	else
-		local j
-		for j, _ in pairs(ifs) do
-			if ifs[j].sid == i then
-				return interface(j)
-			end
-		end
+		local ifc
+		local num = { }
+		_uci_real:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.device then
+					num[s.device] = num[s.device] and num[s.device] + 1 or 1
+					if s['.name'] == i then
+						ifc = interface(
+							"%s.network%d" %{s.device, num[s.device] })
+						return false
+					end
+				end
+			end)
+		return ifc
 	end
 end
 
 function get_interfaces(self)
-	local ifaces = { }
 	local iface
-	for iface, _ in pairs(ifs) do
-		ifaces[#ifaces+1] = interface(iface)
-	end
-	return ifaces
-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")
-network:property("device")
-network:property("ifname")
-network:property("proto")
-network:property("type")
-
-function network.name(self)
-	return self.sid
-end
-
-function network.is_bridge(self)
-	return (self:type() == "bridge")
-end
-
-function network.add_interface(self, ifname)
-	local ifaces, iface
-
-	if type(ifname) ~= "string" then
-		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
+	local ifaces = { }
+	local seen = { }
+	local nfs = { }
+	local baseof = { }
 
-			if ifs[iface].handler then
-				ifs[iface].handler:add_interface(self, iface, ifs[iface])
-			else
-				self:ifname(ub:list((self:ifname() or ''), iface))
+	-- find normal interfaces
+	_uci_real:foreach("network", "interface",
+		function(s)
+			for iface in utl.imatch(s.ifname) do
+				if not _iface_ignore(iface) and not _wifi_iface(iface) then
+					seen[iface] = true
+					nfs[iface] = interface(iface)
+				end
 			end
-		end
-	end
-end
-
-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
+		end)
 
-function network.get_interfaces(self)
-	local ifaces = { }
-	local iface
-	for _, iface in ipairs(ub:list(self:ifname())) do
-		iface = iface:match("[^:]+")
-		if ifs[iface] then
-			ifaces[#ifaces+1] = interface(iface)
+	for iface in utl.kspairs(_interfaces) do
+		if not (seen[iface] or _iface_ignore(iface) or _wifi_iface(iface)) then
+			nfs[iface] = 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
 
-function network.contains_interface(self, iface)
-	local i
-	local ifaces = ub:list(self:ifname())
+	-- find vlan interfaces
+	_uci_real:foreach("network", "switch_vlan",
+		function(s)
+			if not s.device then
+				return
+			end
 
-	if type(iface) ~= "string" then
-		iface = iface:name()
-	end
+			local base = baseof[s.device]
+			if not base then
+				if not s.device:match("^eth%d") then
+					local l
+					for l in utl.execi("swconfig dev %q help 2>/dev/null" % s.device) do
+						if not base then
+							base = l:match("^%w+: (%w+)")
+						end
+					end
+					if not base or not base:match("^eth%d") then
+						base = "eth0"
+					end
+				else
+					base = s.device
+				end
+				baseof[s.device] = base
+			end
 
-	for _, i in ipairs(ifaces) do
-		if i == iface then
-			return true
-		end
-	end
+			local vid = tonumber(s.vid or s.vlan)
+			if vid ~= nil and vid >= 0 and vid <= 4095 then
+				local iface = "%s.%d" %{ base, vid }
+				if not seen[iface] then
+					seen[iface] = true
+					nfs[iface] = interface(iface)
+				end
+			end
+		end)
 
-	for i, _ in pairs(ifs) do
-		if ifs[i].dev and ifs[i].dev.network == self:name() then
-			return true
-		end
+	for iface in utl.kspairs(nfs) do
+		ifaces[#ifaces+1] = nfs[iface]
 	end
 
-	return false
-end
-
+	-- find wifi interfaces
+	local num = { }
+	local wfs = { }
+	_uci_real:foreach("wireless", "wifi-iface",
+		function(s)
+			if s.device then
+				num[s.device] = num[s.device] and num[s.device] + 1 or 1
+				local i = "%s.network%d" %{ s.device, num[s.device] }
+				wfs[i] = interface(i)
+			end
+		end)
 
-interface = utl.class()
-function interface.__init__(self, ifname)
-	if ifs[ifname] then
-		self.ifname = ifname
-		self.dev    = ifs[ifname]
-		self.br     = brs[ifname]
+	for iface in utl.kspairs(wfs) do
+		ifaces[#ifaces+1] = wfs[iface]
 	end
-end
-
-function interface.name(self)
-	return self.ifname
-end
 
-function interface.mac(self)
-	return self.dev.macaddr or "00:00:00:00:00:00"
-end
-
-function interface.ipaddrs(self)
-	return self.dev.ipaddrs or { }
+	return ifaces
 end
 
-function interface.ip6addrs(self)
-	return self.dev.ip6addrs or { }
+function ignore_interface(self, x)
+	return _iface_ignore(x)
 end
 
-function interface.type(self)
-	if self.dev and self.dev.type then
-		return self.dev.type
-	elseif brs[self.ifname] then
-		return "bridge"
-	elseif sws[self.ifname] or self.ifname:match("%.") then
-		return "switch"
-	else
-		return "ethernet"
+function get_wifidev(self, dev)
+	if _uci_real:get("wireless", dev) == "wifi-device" then
+		return wifidev(dev)
 	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 get_wifidevs(self)
+	local devs = { }
+	local wfd  = { }
 
-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
+	_uci_real:foreach("wireless", "wifi-device",
+		function(s) wfd[#wfd+1] = s['.name'] end)
 
-function interface.get_type_i18n(self)
-	local x = self:type()
-	if x == "wifi" then
-		return i18n.translate("Wireless Adapter")
-	elseif x == "bridge" then
-		return i18n.translate("Bridge")
-	elseif x == "switch" then
-		return i18n.translate("Ethernet Switch")
-	else
-		return i18n.translate("Ethernet Adapter")
+	local dev
+	for _, dev in utl.vspairs(wfd) do
+		devs[#devs+1] = wifidev(dev)
 	end
-end
 
-function interface.ports(self)
-	if self.br then
-		local iface
-		local ifaces = { }
-		for _, iface in ipairs(self.br.ifnames) do
-			ifaces[#ifaces+1] = interface(iface.name)
-		end
-		return ifaces
-	end
+	return devs
 end
 
-function interface.bridge_id(self)
-	if self.br then
-		return self.br.id
-	else
-		return nil
+function get_wifinet(self, net)
+	local wnet = _wifi_lookup(net)
+	if wnet then
+		return wifinet(wnet)
 	end
 end
 
-function interface.bridge_stp(self)
-	if self.br then
-		return self.br.stp
-	else
-		return false
+function add_wifinet(self, net, options)
+	if type(options) == "table" and options.device and
+		_uci_real:get("wireless", options.device) == "wifi-device"
+	then
+		local wnet = _uci_real:section("wireless", "wifi-iface", nil, options)
+		return wifinet(wnet)
 	end
 end
 
-function interface.is_up(self)
-	return self.dev.flags and self.dev.flags.up
-end
-
-function interface.is_bridge(self)
-	return (self:type() == "bridge")
-end
-
-function interface.is_bridgeport(self)
-	return self.dev and self.dev.bridge and true or false
-end
-
-function interface.tx_bytes(self)
-	return self.dev and self.dev.stats
-		and self.dev.stats.tx_bytes or 0
-end
-
-function interface.rx_bytes(self)
-	return self.dev and self.dev.stats
-		and self.dev.stats.rx_bytes or 0
-end
-
-function interface.tx_packets(self)
-	return self.dev and self.dev.stats
-		and self.dev.stats.tx_packets or 0
-end
-
-function interface.rx_packets(self)
-	return self.dev and self.dev.stats
-		and self.dev.stats.rx_packets or 0
-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
-			if net:contains_interface(self.ifname) then
-				self.network = net
-				return net
-			end
-		end
-	else
-		return self.network
+function del_wifinet(self, net)
+	local wnet = _wifi_lookup(net)
+	if wnet then
+		_uci_real:delete("wireless", wnet)
+		return true
 	end
+	return false
 end
 
---[==[
-#!/usr/bin/lua
-
-local uci = require "luci.model.uci".cursor_state()
-local utl = require "luci.util"
-local sys = require "luci.sys"
-local lip = require "luci.ip"
-local nxo = require "nixio"
-local nfs = require "nixio.fs"
-
--- patch uci
-local x = getmetatable(uci)
-
-function x:list(...)
-	local val = self:get(...)
-	local lst = { }
-
-	if type(val) == "list" then
-		local _, v
-		for _, v in ipairs(val) do
-			local i
-			for i in v:gmatch("%S+") do
-				lst[#lst+1] = i
+function get_status_by_route(self, addr, mask)
+	local _, object
+	for _, object in ipairs(_ubus:objects()) do
+		local net = object:match("^network%.interface%.(.+)")
+		if net then
+			local s = _ubus:call(object, "status", {})
+			if s and s.route then
+				local rt
+				for _, rt in ipairs(s.route) do
+					if rt.target == addr and rt.mask == mask then
+						return net, s
+					end
+				end
 			end
 		end
-	elseif type(val) == "string" then
-		local i
-		for i in val:gmatch("%S+") do
-			lst[#lst+1] = i
-		end
 	end
-
-	return lst
 end
 
+function get_wannet(self)
+	local net = self:get_status_by_route("0.0.0.0", 0)
+	return net and network(net)
+end
 
-system = utl.class()
-
-system._switches = { }
-system._vlans    = { }
-
-function system:__init__()
-	self._networks = { }
-
-	uci:foreach("network2", "interface",
-		function(s)
-			self._networks[#self._networks+1] = system.network(s, self)
-		end)
+function get_wandev(self)
+	local _, stat = self:get_status_by_route("0.0.0.0", 0)
+	return stat and interface(stat.l3_device or stat.device)
 end
 
-function system:networks()
-	local index = 0
-	return function()
-		if index <= #self._networks then
-			index = index + 1
-			return self._networks[index]
-		else
-			return nil
-		end
-	end
+function get_wan6net(self)
+	local net = self:get_status_by_route("::", 0)
+	return net and network(net)
 end
 
-function system:find_network(name)
-	local v
-	for _, v in ipairs(self._networks) do
-		if v:name() == name then
-			return v
-		end
-	end
+function get_wan6dev(self)
+	local _, stat = self:get_status_by_route("::", 0)
+	return stat and interface(stat.l3_device or stat.device)
 end
 
-function system:find_interface(name)
-	local v
-	for _, v in ipairs(self._networks) do
-		local i
-		for i in v:interfaces() do
-			if i:is_bridge() then
-				local p
-				for p in i:interfaces() do
-					if p:name() == name then
-						return p
-					end
-				end
-			end
 
-			if i:name() == name then
-				return i
-			end
-		end
+function network(name, proto)
+	if name then
+		local p = proto or _uci_real:get("network", name, "proto")
+		local c = p and _protocols[p] or protocol
+		return c(name)
 	end
 end
 
-function system:delete_network(name)
-	local i
-	for i = 1, #self._networks do
-		if self._networks[i]:name() == name then
-			local x
-
-			for x in self._networks[i]:aliases() do
-				uci:delete("network2", x:name())
-			end
-
-			for x in self._networks[i]:routes() do
-				uci:delete("network2", x:name())
-			end
-
-			uci:delete("network2", self._networks[i])
-			table.remove(self._networks, i)
+function protocol.__init__(self, name)
+	self.sid = name
+end
 
-			return true
-		end
+function protocol._get(self, opt)
+	local v = _uci_real:get("network", self.sid, opt)
+	if type(v) == "table" then
+		return table.concat(v, " ")
 	end
-	return false
+	return v or ""
 end
 
-function system:print()
-	local v
-	for v in self:networks() do
-		print(v:name())
-		v:print()
-		print("--")
+function protocol._ubus(self, field)
+	if not _ubusnetcache[self.sid] then
+		_ubusnetcache[self.sid] = _ubus:call("network.interface.%s" % self.sid,
+		                                     "status", { })
 	end
+	if _ubusnetcache[self.sid] and field then
+		return _ubusnetcache[self.sid][field]
+	end
+	return _ubusnetcache[self.sid]
 end
 
-function system.ignore_iface(ifn)
-	return (nil ~= (
-		ifn:match("^wlan%d") or 
-		ifn:match("^ath%d")  or
-		ifn:match("^wl%d")   or
-		ifn:match("^imq%d")  or
-		ifn:match("^br%-")   or
-		ifn:match("^/dev/")
-	))
+function protocol.get(self, opt)
+	return _get("network", self.sid, opt)
 end
 
-function system.find_wifi_networks(net)
-	local lst = { }
-	local cnt = 0
-
-	uci:foreach("wireless", "wifi-iface",
-		function(s)
-			if s.device and s.network == net then
-				lst[#lst+1] = { s.device, s['.name'], cnt }
-			end
-			cnt = cnt + 1
-		end)
-
-	return lst
+function protocol.set(self, opt, val)
+	return _set("network", self.sid, opt, val)
 end
 
-function system.find_iface_names(net)
-	local lst = { }
-
-	local val = uci:list("network2", net, "device")
-	if #val == 0 or val[1]:match("^/dev/") then
-		val = uci:list("network2", net, "ifname")
-	end
-
-	local ifn
-	for _, ifn in ipairs(val) do
-		if not system.ignore_iface(ifn) then
-			lst[#lst+1] = ifn
-		end
+function protocol.ifname(self)
+	local ifname
+	if self:is_floating() then
+		ifname = self:_ubus("l3_device")
+	else
+		ifname = self:_ubus("device")
 	end
-	
-	return lst
-end
-
-function system.find_switch(name)
-	local swname, swdev, swvlan
-
-	-- find switch
-	uci:foreach("network2", "switch",
-		function(s)
-			swname = s.name or s['.name']
-
-			-- special: rtl8366s is eth0 (wan is eth1)
-			if swname == "rtl8366s" then
-				swdev = "eth0"
-
-			-- special: rtl8366rb is eth0 (wan + lan)
-			elseif swname == "rtl8366rb" then
-				swdev = "eth0"
-
-			-- treat swname as swdev
-			else
-				swdev = swname
-			end
-
-			return false
-		end)
-
-	-- find first vlan
-	if swdev then
-		uci:foreach("network2", "switch_vlan",
+	if not ifname then
+		local num = { }
+		_uci_real:foreach("wireless", "wifi-iface",
 			function(s)
-				if s.device == swname then
-					local vlan = tonumber(s.vlan)
-					if vlan and (not swvlan or vlan < swvlan) then
-						swvlan = vlan
+				if s.device then
+					num[s.device] = num[s.device]
+						and num[s.device] + 1 or 1
+
+					local net
+					for net in utl.imatch(s.network) do
+						if net == self.sid then
+							ifname = "%s.network%d" %{ s.device, num[s.device] }
+							return false
+						end
 					end
 				end
 			end)
 	end
-
-
-	local veth, vlan = name:match("^(%S+)%.(%d+)$")
-
-	-- have vlan id and matching switch
-	if vlan and veth == swdev then
-		return swname, swdev, vlan
-
-	-- have no vlan id but matching switch, assume first switch vlan
-	elseif not vlan and name == swdev then
-		return swname, swdev, swvlan
-
-	-- have vlan and no matching switch, assume software vlan
-	elseif vlan then
-		return nil, veth, vlan
-	end
+	return ifname
 end
 
+function protocol.proto(self)
+	return "none"
+end
 
-system.network = utl.class()
-
-function system.network:__init__(s, sys)
-	self._name    = s['.name']
-	self._sys     = sys
-	self._routes  = { }
-	self._aliases = { }
-
-	if s.type == "bridge" then
-		self._interfaces = { system.network.bridge(s['.name'], self) }
-	else
-		self._interfaces = { }
-
-		local ifn
-
-		-- find wired ifaces
-		for _, ifn in ipairs(system.find_iface_names(self._name)) do
-			self._interfaces[#self._interfaces+1] = system.network.iface(ifn, self)
-		end
-
-		-- find wifi networks
-		for _, ifn in ipairs(system.find_wifi_networks(self._name)) do
-			self._interfaces[#self._interfaces+1] = system.network.iface(ifn, self)
-		end
-	end
-
-	-- find ipv4 routes
-	uci:foreach("network2", "route",
-		function(s)
-			if s.interface == self._name and s.target then
-				self._routes[#self._routes+1] = system.network.route(s, self)
-			end
-		end)
-
-	-- find ipv6 routes
-	uci:foreach("network2", "route6",
-		function(s)
-			if s.interface == self._name and s.target then
-				self._routes[#self._routes+1] = system.network.route(s, self)
-			end
-		end)
+function protocol.get_i18n(self)
+	local p = self:proto()
+	if p == "none" then
+		return lng.translate("Unmanaged")
+	elseif p == "static" then
+		return lng.translate("Static address")
+	elseif p == "dhcp" then
+		return lng.translate("DHCP client")
+	else
+		return lng.translate("Unknown")
+	end
+end
 
-	-- find aliases
-	uci:foreach("network2", "alias",
-		function(s)
-			if s.interface == self._name and s.proto then
-				self._aliases[#self._aliases+1] = system.network.alias(s, self)
-			end
-		end)
+function protocol.type(self)
+	return self:_get("type")
 end
 
-function system.network:name()
-	return self._name
+function protocol.name(self)
+	return self.sid
 end
 
-function system.network:system()
-	return self._sys
+function protocol.uptime(self)
+	return self:_ubus("uptime") or 0
 end
 
-function system.network:interfaces()
-	local index = 0
-	return function()
-		if index <= #self._interfaces then
-			index = index + 1
-			return self._interfaces[index]
-		else
-			return nil
-		end
+function protocol.expires(self)
+	local a = tonumber(_uci_state:get("network", self.sid, "lease_acquired"))
+	local l = tonumber(_uci_state:get("network", self.sid, "lease_lifetime"))
+	if a and l then
+		l = l - (nxo.sysinfo().uptime - a)
+		return l > 0 and l or 0
 	end
+	return -1
 end
 
-function system.network:interface()
-	return self._interfaces[1]
+function protocol.metric(self)
+	return tonumber(_uci_state:get("network", self.sid, "metric")) or 0
 end
 
-function system.network:num_routes()
-	return #self._routes
+function protocol.ipaddr(self)
+	local addrs = self:_ubus("ipv4-address")
+	return addrs and #addrs > 0 and addrs[1].address
 end
 
-function system.network:routes()
-	local index = 0
-	return function()
-		if index <= #self._routes then
-			index = index + 1
-			return self._routes[index]
-		else
-			return nil
-		end
-	end
+function protocol.netmask(self)
+	local addrs = self:_ubus("ipv4-address")
+	return addrs and #addrs > 0 and
+		ipc.IPv4("0.0.0.0/%d" % addrs[1].mask):mask():string()
 end
 
-function system.network:num_aliases()
-	return #self._aliases
+function protocol.gwaddr(self)
+	local _, route
+	for _, route in ipairs(self:_ubus("route") or { }) do
+		if route.target == "0.0.0.0" and route.mask == 0 then
+			return route.nexthop
+		end
+	end
 end
 
-function system.network:aliases()
-	local index = 0
-	return function()
-		if index <= #self._aliases then
-			index = index + 1
-			return self._aliases[index]
-		else
-			return nil
+function protocol.dnsaddrs(self)
+	local dns = { }
+	local _, addr
+	for _, addr in ipairs(self:_ubus("dns-server") or { }) do
+		if not addr:match(":") then
+			dns[#dns+1] = addr
 		end
 	end
+	return dns
 end
 
-function system.network:delete_route(rt)
-	local i
-	for i = 1, #self._routes do
-		if self._routes[i]:name() == rt:name() then
-			uci:delete("network2", rt:name())
-			table.remove(self._routes, i)
-			return true
+function protocol.ip6addr(self)
+	local addrs = self:_ubus("ipv6-address")
+	return addrs and #addrs > 0
+		and "%s/%d" %{ addrs[1].address, addrs[1].mask }
+end
+
+function protocol.gw6addr(self)
+	local _, route
+	for _, route in ipairs(self:_ubus("route") or { }) do
+		if route.target == "::" and route.mask == 0 then
+			return ipc.IPv6(route.nexthop):string()
 		end
 	end
-	return false
 end
 
-function system.network:delete_alias(al)
-	local i
-	for i = 1, #self._aliases do
-		if self._aliases[i]:name() == al:name() then
-			uci:delete("network2", al:name())
-			table.remove(self._aliases, i)
-			return true
+function protocol.dns6addrs(self)
+	local dns = { }
+	local _, addr
+	for _, addr in ipairs(self:_ubus("dns-server") or { }) do
+		if addr:match(":") then
+			dns[#dns+1] = addr
 		end
 	end
-	return false
+	return dns
 end
 
-function system.network:print()
-	self:interface():print()
+function protocol.is_bridge(self)
+	return (not self:is_virtual() and self:type() == "bridge")
 end
 
+function protocol.opkg_package(self)
+	return nil
+end
 
-system.network.iface = utl.class()
-
-function system.network.iface:__init__(ifn, net, parent)
-	self._net    = net
-	self._parent = parent
+function protocol.is_installed(self)
+	return true
+end
 
-	-- is a wifi iface
-	if type(ifn) == "table" then
-		local wifidev, network, index = unpack(ifn)
+function protocol.is_virtual(self)
+	return false
+end
 
-		self._name    = "%s.%d" %{ wifidev, index }
-		self._wifidev = wifidev
-		self._wifinet = index
-		self._ifname  = uci:get("wireless", network, "ifname") or self._name
+function protocol.is_floating(self)
+	return false
+end
 
-	-- is a wired iface
+function protocol.is_empty(self)
+	if self:is_floating() then
+		return false
 	else
-		self._name   = ifn
-		self._ifname = ifn
+		local rv = true
 
-		local switch, swdev, vlan = system.find_switch(self._ifname)
-
-		if switch then
-			self._switch = system.switch(switch, swdev, self)
+		if (self:_get("ifname") or ""):match("%S+") then
+			rv = false
 		end
 
-		if vlan then
-			self._vlan = system.vlan(vlan, self._switch, self)
-		end
+		_uci_real:foreach("wireless", "wifi-iface",
+			function(s)
+				local n
+				for n in utl.imatch(s.network) do
+					if n == self.sid then
+						rv = false
+						return false
+					end
+				end
+			end)
+
+		return rv
 	end
 end
 
-function system.network.iface:name()
-	return self._name
-end
+function protocol.add_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if ifname and not self:is_floating() then
+		-- if its a wifi interface, change its network option
+		local wif = _wifi_lookup(ifname)
+		if wif then
+			_append("wireless", wif, "network", self.sid)
 
-function system.network.iface:parent()
-	return self._parent
+		-- add iface to our iface list
+		else
+			_append("network", self.sid, "ifname", ifname)
+		end
+	end
 end
 
-function system.network.iface:network()
-	return self._net
-end
+function protocol.del_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if ifname and not self:is_floating() then
+		-- if its a wireless interface, clear its network option
+		local wif = _wifi_lookup(ifname)
+		if wif then _filter("wireless", wif, "network", self.sid) end
 
-function system.network.iface:is_managed()
-	return (self._net ~= nil)
+		-- remove the interface
+		_filter("network", self.sid, "ifname", ifname)
+	end
 end
 
-function system.network.iface:is_vlan()
-	return (self._vlan ~= nil)
+function protocol.get_interface(self)
+	if self:is_virtual() then
+		_tunnel[self:proto() .. "-" .. self.sid] = true
+		return interface(self:proto() .. "-" .. self.sid, self)
+	elseif self:is_bridge() then
+		_bridge["br-" .. self.sid] = true
+		return interface("br-" .. self.sid, self)
+	else
+		local ifn = nil
+		local num = { }
+		for ifn in utl.imatch(_uci_real:get("network", self.sid, "ifname")) do
+			ifn = ifn:match("^[^:/]+")
+			return ifn and interface(ifn, self)
+		end
+		ifn = nil
+		_uci_real:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.device then
+					num[s.device] = num[s.device] and num[s.device] + 1 or 1
+
+					local net
+					for net in utl.imatch(s.network) do
+						if net == self.sid then
+							ifn = "%s.network%d" %{ s.device, num[s.device] }
+							return false
+						end
+					end
+				end
+			end)
+		return ifn and interface(ifn, self)
+	end
 end
 
-function system.network.iface:is_software_vlan()
-	return (not self._switch and self._vlan ~= nil)
-end
+function protocol.get_interfaces(self)
+	if self:is_bridge() or (self:is_virtual() and not self:is_floating()) then
+		local ifaces = { }
 
-function system.network.iface:is_hardware_vlan()
-	return (self._switch ~= nil and self._vlan ~= nil)
-end
+		local ifn
+		local nfs = { }
+		for ifn in utl.imatch(self:get("ifname")) do
+			ifn = ifn:match("^[^:/]+")
+			nfs[ifn] = interface(ifn, self)
+		end
+
+		for ifn in utl.kspairs(nfs) do
+			ifaces[#ifaces+1] = nfs[ifn]
+		end
+
+		local num = { }
+		local wfs = { }
+		_uci_real:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.device then
+					num[s.device] = num[s.device] and num[s.device] + 1 or 1
+
+					local net
+					for net in utl.imatch(s.network) do
+						if net == self.sid then
+							ifn = "%s.network%d" %{ s.device, num[s.device] }
+							wfs[ifn] = interface(ifn, self)
+						end
+					end
+				end
+			end)
+
+		for ifn in utl.kspairs(wfs) do
+			ifaces[#ifaces+1] = wfs[ifn]
+		end
 
-function system.network.iface:_sysfs(path, default)
-	path = "/sys/class/net/%s/%s" %{ self._ifname, path }
+		return ifaces
+	end
+end
 
-	local data = nfs.readfile(path)
+function protocol.contains_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if not ifname then
+		return false
+	elseif self:is_virtual() and self:proto() .. "-" .. self.sid == ifname then
+		return true
+	elseif self:is_bridge() and "br-" .. self.sid == ifname then
+		return true
+	else
+		local ifn
+		for ifn in utl.imatch(self:get("ifname")) do
+			ifn = ifn:match("[^:]+")
+			if ifn == ifname then
+				return true
+			end
+		end
 
-	if type(default) == "number" then
-		return tonumber(data) or default
-	elseif data and #data > 0 then
-		return data and data:gsub("%s+$", "") or default
+		local wif = _wifi_lookup(ifname)
+		if wif then
+			local n
+			for n in utl.imatch(_uci_real:get("wireless", wif, "network")) do
+				if n == self.sid then
+					return true
+				end
+			end
+		end
 	end
 
-	return default
+	return false
 end
 
-function system.network.iface:rx_bytes()
-	return self:_sysfs("statistics/rx_bytes", 0)
+function protocol.adminlink(self)
+	return dsp.build_url("admin", "network", "network", self.sid)
 end
 
-function system.network.iface:tx_bytes()
-	return self:_sysfs("statistics/tx_bytes", 0)
-end
 
-function system.network.iface:rx_packets()
-	return self:_sysfs("statistics/rx_packets", 0)
-end
+interface = utl.class()
+
+function interface.__init__(self, ifname, network)
+	local wif = _wifi_lookup(ifname)
+	if wif then
+		self.wif    = wifinet(wif)
+		self.ifname = _uci_state:get("wireless", wif, "ifname")
+	end
 
-function system.network.iface:tx_packets()
-	return self:_sysfs("statistics/tx_packets", 0)
+	self.ifname  = self.ifname or ifname
+	self.dev     = _interfaces[self.ifname]
+	self.network = network
 end
 
-function system.network.iface:macaddr()
-	return self:_sysfs("address")
+function interface._ubus(self, field)
+	if not _ubusdevcache[self.ifname] then
+		_ubusdevcache[self.ifname] = _ubus:call("network.device", "status",
+		                                        { name = self.ifname })
+	end
+	if _ubusdevcache[self.ifname] and field then
+		return _ubusdevcache[self.ifname][field]
+	end
+	return _ubusdevcache[self.ifname]
 end
 
-function system.network.iface:mtu()
-	return self:_sysfs("mtu", 1500)
+function interface.name(self)
+	return self.wif and self.wif:ifname() or self.ifname
 end
 
-function system.network.iface:is_bridge()
-	return (self:_sysfs("bridge/max_age", 0) > 0)
+function interface.mac(self)
+	return (self:_ubus("macaddr") or "00:00:00:00:00:00"):upper()
 end
 
-function system.network.iface:is_bridge_port()
-	return (self:_sysfs("brport/port_no", 0) > 0)
+function interface.ipaddrs(self)
+	return self.dev and self.dev.ipaddrs or { }
 end
 
-function system.network.iface:delete()
-	if self._wifidev then
-		local cnt = 0
-		uci:foreach("wireless", "wifi-iface", 
-			function(s)
-				cnt = cnt + 1
-				if s.device == self._wifidev and cnt == self._wifinet then
-					uci:delete("wireless", s['.name'])
-					return false
-				end
-			end)
-	end
+function interface.ip6addrs(self)
+	return self.dev and self.dev.ip6addrs or { }
 end
 
-function system.network.iface:print()
-	if self._wifidev then
-		print("  wifi: ", self._wifidev, "net: ", self._wifinet)
+function interface.type(self)
+	if self.wif or _wifi_iface(self.ifname) then
+		return "wifi"
+	elseif _bridge[self.ifname] then
+		return "bridge"
+	elseif _tunnel[self.ifname] then
+		return "tunnel"
+	elseif self.ifname:match("%.") then
+		return "vlan"
+	elseif _switch[self.ifname] then
+		return "switch"
 	else
-		print("  iface: ", self._name)
+		return "ethernet"
 	end
+end
 
-	print("    rx: ", self:rx_bytes(), self:rx_packets())
-	print("    tx: ", self:tx_bytes(), self:tx_packets())
-	print("    mtu: ", self:mtu())
-	print("    mac: ", self:macaddr())
-	print("    bridge? ", self:is_bridge())
-	print("    port? ", self:is_bridge_port())
-	print("    swvlan? ", self:is_software_vlan())
-	print("    hwvlan? ", self:is_hardware_vlan())
-
-	if self._switch then
-		self._switch:print()
+function interface.shortname(self)
+	if self.wif then
+		return "%s %q" %{
+			self.wif:active_mode(),
+			self.wif:active_ssid() or self.wif:active_bssid()
+		}
+	else
+		return self.ifname
 	end
+end
 
-	if self._vlan then
-		self._vlan:print()
+function interface.get_i18n(self)
+	if self.wif then
+		return "%s: %s %q" %{
+			lng.translate("Wireless Network"),
+			self.wif:active_mode(),
+			self.wif:active_ssid() or self.wif:active_bssid()
+		}
+	else
+		return "%s: %q" %{ self:get_type_i18n(), self:name() }
 	end
 end
 
-
-system.network.bridge = utl.class(system.network.iface)
-
-function system.network.bridge:__init__(brn, net)
-	self._net    = net
-	self._name   = "br-" .. brn
-	self._ifname = self._name
-	self._interfaces = { }
-
-	local ifn
-
-	-- find wired ifaces
-	for _, ifn in ipairs(system.find_iface_names(brn)) do
-		self._interfaces[#self._interfaces+1] = system.network.iface(ifn, net, self)
+function interface.get_type_i18n(self)
+	local x = self:type()
+	if x == "wifi" then
+		return lng.translate("Wireless Adapter")
+	elseif x == "bridge" then
+		return lng.translate("Bridge")
+	elseif x == "switch" then
+		return lng.translate("Ethernet Switch")
+	elseif x == "vlan" then
+		return lng.translate("VLAN Interface")
+	elseif x == "tunnel" then
+		return lng.translate("Tunnel Interface")
+	else
+		return lng.translate("Ethernet Adapter")
 	end
+end
 
-	-- find wifi networks
-	for _, ifn in ipairs(system.find_wifi_networks(brn)) do
-		self._interfaces[#self._interfaces+1] = system.network.iface(ifn, net, self)
+function interface.adminlink(self)
+	if self.wif then
+		return self.wif:adminlink()
 	end
 end
 
-function system.network.bridge:interfaces()
-	local index = 0
-	return function()
-		if index <= #self._interfaces then
-			index = index + 1
-			return self._interfaces[index]
-		else
-			return nil
+function interface.ports(self)
+	local members = self:_ubus("bridge-members")
+	if members then
+		local _, iface
+		local ifaces = { }
+		for _, iface in ipairs(members) do
+			ifaces[#ifaces+1] = interface(iface)
 		end
 	end
 end
 
-function system.network.bridge:print()
-	local v
-	for v in self:interfaces() do
-		io.write("  port: ")
-		v:print()
+function interface.bridge_id(self)
+	if self.br then
+		return self.br.id
+	else
+		return nil
 	end
-	print("  rx: ", self:rx_bytes(), self:rx_packets())
-	print("  tx: ", self:tx_bytes(), self:tx_packets())
-	print("  mtu: ", self:mtu())
-	print("  mac: ", self:macaddr())
-	print("  bridge? ", self:is_bridge())
-	print("  port? ", self:is_bridge_port())
 end
 
-
-system.network.route = utl.class()
-
-function system.network.route:__init__(rt, net)
-	self._net    = net
-	self._name   = rt['.name']
-	self._ipv6   = (rt['.type'] == "route6")
-	self._mtu    = tonumber(rt.mtu) or (net and net:interface():mtu() or 1500)
-	self._metric = tonumber(rt.metric) or 0
-
-	if self._ipv6 then
-		self._gateway = lip.IPv6(rt.gateway or "::")
-		self._target  = lip.IPv6(rt.target  or "::")
+function interface.bridge_stp(self)
+	if self.br then
+		return self.br.stp
 	else
-		self._gateway = lip.IPv4(rt.gateway or "0.0.0.0")
-		self._target  = lip.IPv4(rt.target  or "0.0.0.0", rt.netmask or "0.0.0.0")
+		return false
 	end
 end
 
-function system.network.route:name()
-	return self._name
+function interface.is_up(self)
+	if self.wif then
+		return self.wif:is_up()
+	else
+		return self:_ubus("up") or false
+	end
 end
 
-function system.network.route:network()
-	return self._net
+function interface.is_bridge(self)
+	return (self:type() == "bridge")
 end
 
-function system.network.route:mtu()
-	return self._mtu
+function interface.is_bridgeport(self)
+	return self.dev and self.dev.bridge and true or false
 end
 
-function system.network.route:metric()
-	return self._metric
+local function uint(x)
+	if x then
+		return (x < 0) and ((2^32) + x) or x
+	end
+	return 0
 end
 
-function system.network.route:is_ipv4()
-	return not self._ipv6
+function interface.tx_bytes(self)
+	local stat = self:_ubus("statistics")
+	return stat and uint(stat.tx_bytes) or 0
 end
 
-function system.network.route:is_ipv6()
-	return self._ipv6
+function interface.rx_bytes(self)
+	local stat = self:_ubus("statistics")
+	return stat and uint(stat.rx_bytes) or 0
 end
 
-function system.network.route:target()
-	return self._target
+function interface.tx_packets(self)
+	local stat = self:_ubus("statistics")
+	return stat and uint(stat.tx_packets) or 0
 end
 
-function system.network.route:gateway()
-	return self._gateway
+function interface.rx_packets(self)
+	local stat = self:_ubus("statistics")
+	return stat and uint(stat.rx_packets) or 0
 end
 
-
-system.network.alias = utl.class()
-
-function system.network.alias:__init__(a, net)
-	self._net  = net
-	self._name = a['.name']
+function interface.get_network(self)
+	return self:get_networks()[1]
 end
 
+function interface.get_networks(self)
+	if not self.networks then
+		local nets = { }
+		local _, net
+		for _, net in ipairs(_M:get_networks()) do
+			if net:contains_interface(self.ifname) or
+			   net:ifname() == self.ifname
+			then
+				nets[#nets+1] = net
+			end
+		end
+		table.sort(nets, function(a, b) return a.sid < b.sid end)
+		self.networks = nets
+		return nets
+	else
+		return self.networks
+	end
+end
 
-system.switch = utl.class()
-
-function system.switch:__init__(switch, swdev, net)
-	self._name   = switch
-	self._ifname = swdev
-	self._net    = net
-
-	if not system._switches[switch] then
-		local x = io.popen("swconfig dev %q help 2>/dev/null" % switch)
-		if x then
-			local desc = x:read("*l")
+function interface.get_wifinet(self)
+	return self.wif
+end
 
-			if desc then
-				local name, num_ports, num_cpu, num_vlans =
-					desc:match("Switch %d: %S+%((.-)%), ports: (%d+) %(cpu @ (%d+)%), vlans: (%d+)")
 
-				self._model   = name
-				self._ports   = tonumber(num_ports)
-				self._cpuport = tonumber(num_cpu)
-				self._vlans   = tonumber(num_vlans)
-			end
+wifidev = utl.class()
 
-			x:close()
+function wifidev.__init__(self, dev)
+	self.sid    = dev
+	self.iwinfo = dev and sys.wifi.getiwinfo(dev) or { }
+end
 
-		elseif nfs.access("/proc/switch/%s" % switch) then
-			self._model   = self:_proc("driver", switch)
-			self._ports   = self:_proc_count("port", 6)
-			self._vlans   = self:_proc_count("vlan", 16)
-		end
+function wifidev.get(self, opt)
+	return _get("wireless", self.sid, opt)
+end
 
-		-- defaults
-		self._model   = self._model   or switch
-		self._ports   = self._ports   or 6
-		self._vlans   = self._vlans   or 16
-		self._cpuport = self._cpuport or 5
+function wifidev.set(self, opt, val)
+	return _set("wireless", self.sid, opt, val)
+end
 
-		system._switches[switch] = self
-	else
-		self._model   = system._switches[switch]._model
-		self._ports   = system._switches[switch]._ports
-		self._vlans   = system._switches[switch]._vlans
-		self._cpuport = system._switches[switch]._cpuport
-	end
+function wifidev.name(self)
+	return self.sid
 end
 
-function system.switch:_proc(path, default)
-	local data = nfs.readfile("/proc/switch/%s/%s" %{ self._name, path })
-	if data then
-		return data:gsub("%s+$", "")
+function wifidev.hwmodes(self)
+	local l = self.iwinfo.hwmodelist
+	if l and next(l) then
+		return l
+	else
+		return { b = true, g = true }
 	end
-	return default
 end
 
-function system.switch:_proc_count(path, default)
-	local cnt = 0
-	for _ in nfs.dir("/proc/switch/%s/%s" %{ self._name, path }) do
-		cnt = cnt + 1
+function wifidev.get_i18n(self)
+	local t = "Generic"
+	if self.iwinfo.type == "wl" then
+		t = "Broadcom"
+	elseif self.iwinfo.type == "madwifi" then
+		t = "Atheros"
 	end
-	return cnt > 0 and cnt or default
-end
 
-function system.switch:name()
-	return self._name
-end
+	local m = ""
+	local l = self:hwmodes()
+	if l.a then m = m .. "a" end
+	if l.b then m = m .. "b" end
+	if l.g then m = m .. "g" end
+	if l.n then m = m .. "n" end
 
-function system.switch:model()
-	return self._model
+	return "%s 802.11%s Wireless Controller (%s)" %{ t, m, self:name() }
 end
 
-function system.switch:num_possible_vlans()
-	return self._vlans
-end
+function wifidev.is_up(self)
+	local up = false
 
-function system.switch:num_active_vlans()
-	local cnt = 0
-	uci:foreach("network2", "switch_vlan",
+	_uci_state:foreach("wireless", "wifi-iface",
 		function(s)
-			if s.device == self._name then cnt = cnt + 1 end
+			if s.device == self.sid then
+				if s.up == "1" then
+					up = true
+					return false
+				end
+			end
 		end)
-	return cnt
+
+	return up
+end
+
+function wifidev.get_wifinet(self, net)
+	if _uci_real:get("wireless", net) == "wifi-iface" then
+		return wifinet(net)
+	else
+		local wnet = _wifi_lookup(net)
+		if wnet then
+			return wifinet(wnet)
+		end
+	end
 end
 
-function system.switch:vlans()
-	local index = 0
-	local vlans = { }
+function wifidev.get_wifinets(self)
+	local nets = { }
 
-	uci:foreach("network2", "switch_vlan",
+	_uci_real:foreach("wireless", "wifi-iface",
 		function(s)
-			if s.device == self._name and tonumber(s.vlan) then
-				vlans[#vlans+1] = tonumber(s.vlan)
+			if s.device == self.sid then
+				nets[#nets+1] = wifinet(s['.name'])
 			end
 		end)
 
-	return function()
-		if index <= #vlans then
-			index = index + 1
-			return system.vlan(vlans[index], self)
-		else
-			return nil
-		end
+	return nets
+end
+
+function wifidev.add_wifinet(self, options)
+	options = options or { }
+	options.device = self.sid
+
+	local wnet = _uci_real:section("wireless", "wifi-iface", nil, options)
+	if wnet then
+		return wifinet(wnet, options)
 	end
 end
 
-function system.switch:num_ports()
-	return self._ports
+function wifidev.del_wifinet(self, net)
+	if utl.instanceof(net, wifinet) then
+		net = net.sid
+	elseif _uci_real:get("wireless", net) ~= "wifi-iface" then
+		net = _wifi_lookup(net)
+	end
+
+	if net and _uci_real:get("wireless", net, "device") == self.sid then
+		_uci_real:delete("wireless", net)
+		return true
+	end
+
+	return false
 end
 
-function system.switch:delete_vlan(vlan)
-	local rv = false
 
-	uci:foreach("network2", "switch_vlan",
-		function(s)
-			if s.device == self._name and tonumber(s.vlan) == vlan then
-				rv = true
-				uci:delete("network2", s['.name'])
+wifinet = utl.class()
 
-				if system._vlans[s.device] and system._vlans[s.device][vlan] then
-					table.remove(system._vlans[s.device], vlan)
-				end
+function wifinet.__init__(self, net, data)
+	self.sid = net
 
-				return false
+	local num = { }
+	local netid
+	_uci_real:foreach("wireless", "wifi-iface",
+		function(s)
+			if s.device then
+				num[s.device] = num[s.device] and num[s.device] + 1 or 1
+				if s['.name'] == self.sid then
+					netid = "%s.network%d" %{ s.device, num[s.device] }
+					return false
+				end
 			end
 		end)
 
-	return rv
+	local dev = _uci_state:get("wireless", self.sid, "ifname") or netid
+
+	self.netid  = netid
+	self.wdev   = dev
+	self.iwinfo = dev and sys.wifi.getiwinfo(dev) or { }
+	self.iwdata = data or _uci_state:get_all("wireless", self.sid) or
+		_uci_real:get_all("wireless", self.sid) or { }
+end
+
+function wifinet.get(self, opt)
+	return _get("wireless", self.sid, opt)
 end
 
-function system.switch:print()
-	print("Switch:", self._model)
-	print("  Ports:", self._ports, "Cpu:", self._cpuport)
-	print("  Vlans:", self._vlans)
+function wifinet.set(self, opt, val)
+	return _set("wireless", self.sid, opt, val)
 end
 
+function wifinet.mode(self)
+	return _uci_state:get("wireless", self.sid, "mode") or "ap"
+end
 
-system.vlan = utl.class()
+function wifinet.ssid(self)
+	return _uci_state:get("wireless", self.sid, "ssid")
+end
 
-function system.vlan:__init__(vlan, switch, iface)
-	self._vlan   = vlan
-	self._switch = switch
-	self._iface  = iface
+function wifinet.bssid(self)
+	return _uci_state:get("wireless", self.sid, "bssid")
+end
 
-	local swid = (switch and switch:name()) or (iface and iface:name()) or ""
+function wifinet.network(self)
+	return _uci_state:get("wifinet", self.sid, "network")
+end
 
-	if not system._vlans[swid] or not system._vlans[swid][vlan] then
-		self._ports  = { }
+function wifinet.id(self)
+	return self.netid
+end
 
-		if switch then
-			uci:foreach("network2", "switch_vlan",
-				function(s)
-					if s.device == switch:name() and tonumber(s.vlan) == vlan then
-						local p
-						for _, p in ipairs(uci:list("network2", s['.name'], "ports")) do
-							self._ports[#self._ports+1] = system.vlan.port(p, self)
-						end
-						self._name = s['.name']
-					end
-				end)
-		else
-			self._ports[#self._ports+1] = system.vlan.port("0t", self)
-		end
+function wifinet.name(self)
+	return self.sid
+end
 
-		system._vlans[swid] = system._vlans[swid] or { }
-		system._vlans[swid][vlan] = self
-	else
-		self._ports = system._vlans[swid][vlan]._ports
+function wifinet.ifname(self)
+	local ifname = self.iwinfo.ifname
+	if not ifname or ifname:match("^wifi%d") or ifname:match("^radio%d") then
+		ifname = self.wdev
 	end
+	return ifname
 end
 
-function system.vlan:name()
-	return self._name
+function wifinet.get_device(self)
+	if self.iwdata.device then
+		return wifidev(self.iwdata.device)
+	end
 end
 
-function system.vlan:number()
-	return self._vlan
+function wifinet.is_up(self)
+	return (self.iwdata.up == "1")
 end
 
-function system.vlan:switch()
-	return self._switch
-end
+function wifinet.active_mode(self)
+	local m = _stror(self.iwinfo.mode, self.iwdata.mode) or "ap"
+
+	if     m == "ap"      then m = "Master"
+	elseif m == "sta"     then m = "Client"
+	elseif m == "adhoc"   then m = "Ad-Hoc"
+	elseif m == "mesh"    then m = "Mesh"
+	elseif m == "monitor" then m = "Monitor"
+	end
 
-function system.vlan:interface()
-	return self._iface
+	return m
 end
 
-function system.vlan:is_software()
-	return (self._switch == nil)
+function wifinet.active_mode_i18n(self)
+	return lng.translate(self:active_mode())
 end
 
-function system.vlan:is_hardware()
-	return not self:is_software()
+function wifinet.active_ssid(self)
+	return _stror(self.iwinfo.ssid, self.iwdata.ssid)
 end
 
-function system.vlan:num_ports()
-	return #self._ports
+function wifinet.active_bssid(self)
+	return _stror(self.iwinfo.bssid, self.iwdata.bssid) or "00:00:00:00:00:00"
 end
 
-function system.vlan:ports()
-	local index = 0
-	return function()
-		if index <= #self._ports then
-			index = index + 1
-			return self._ports[index]
-		else
-			return nil
-		end
-	end
+function wifinet.active_encryption(self)
+	local enc = self.iwinfo and self.iwinfo.encryption
+	return enc and enc.description or "-"
 end
 
-function system.vlan:_update()
-	local i
-	local ports = { }
+function wifinet.assoclist(self)
+	return self.iwinfo.assoclist or { }
+end
 
-	for i = 1, #self._ports do
-		ports[#ports+1] = self._ports[i]:string()
+function wifinet.frequency(self)
+	local freq = self.iwinfo.frequency
+	if freq and freq > 0 then
+		return "%.03f" % (freq / 1000)
 	end
-
-	uci:set("network2", self._name, "ports", table.concat(ports, " "))
 end
 
-function system.vlan:delete_port(port)
-	if self._switch then
-		local i
-		for i = 1, #self._ports do
-			if self._ports[i]:number() == port then
-				table.remove(self._ports, i)
-				self:_update()
-				return true
-			end
-		end
+function wifinet.bitrate(self)
+	local rate = self.iwinfo.bitrate
+	if rate and rate > 0 then
+		return (rate / 1000)
 	end
-	return false
 end
 
-function system.vlan:print()
-	print(" Vlan:", self._vlan, "Software?", self:is_software())
-	local p
-	for p in self:ports() do
-		p:print()
-	end
+function wifinet.channel(self)
+	return self.iwinfo.channel or
+		tonumber(_uci_state:get("wireless", self.iwdata.device, "channel"))
+end
+
+function wifinet.signal(self)
+	return self.iwinfo.signal or 0
 end
 
+function wifinet.noise(self)
+	return self.iwinfo.noise or 0
+end
 
-system.vlan.port = utl.class()
+function wifinet.country(self)
+	return self.iwinfo.country or "00"
+end
 
-function system.vlan.port:__init__(port, vlan)
-	local num, tag = port:match("^(%d+)([tu]?)")
+function wifinet.txpower(self)
+	local pwr = (self.iwinfo.txpower or 0)
+	return pwr + self:txpower_offset()
+end
 
-	self._vlan   = vlan
-	self._port   = tonumber(num)
-	self._tagged = (tag == "t")
+function wifinet.txpower_offset(self)
+	return self.iwinfo.txpower_offset or 0
 end
 
-function system.vlan.port:number()
-	return self._port
+function wifinet.signal_level(self, s, n)
+	if self:active_bssid() ~= "00:00:00:00:00:00" then
+		local signal = s or self:signal()
+		local noise  = n or self:noise()
+
+		if signal < 0 and noise < 0 then
+			local snr = -1 * (noise - signal)
+			return math.floor(snr / 5)
+		else
+			return 0
+		end
+	else
+		return -1
+	end
 end
 
-function system.vlan.port:vlan()
-	return self._vlan
+function wifinet.signal_percent(self)
+	local qc = self.iwinfo.quality or 0
+	local qm = self.iwinfo.quality_max or 0
+
+	if qc > 0 and qm > 0 then
+		return math.floor((100 / qm) * qc)
+	else
+		return 0
+	end
 end
 
-function system.vlan.port:string()
-	return "%i%s" %{ self._port, self._tagged ? "t" : "" }
+function wifinet.shortname(self)
+	return "%s %q" %{
+		lng.translate(self:active_mode()),
+		self:active_ssid() or self:active_bssid()
+	}
 end
 
-function system.vlan.port:is_tagged()
-	return self._tagged
+function wifinet.get_i18n(self)
+	return "%s: %s %q (%s)" %{
+		lng.translate("Wireless Network"),
+		lng.translate(self:active_mode()),
+		self:active_ssid() or self:active_bssid(),
+		self:ifname()
+	}
 end
 
-function system.vlan.port:print()
-	print("  Port:", self._port, "Tagged:", self._tagged)
+function wifinet.adminlink(self)
+	return dsp.build_url("admin", "network", "wireless", self.netid)
 end
 
+function wifinet.get_network(self)
+	return self:get_networks()[1]
+end
 
--- ------------------------------
+function wifinet.get_networks(self)
+	local nets = { }
+	local net
+	for net in utl.imatch(tostring(self.iwdata.network)) do
+		if _uci_real:get("network", net) == "interface" then
+			nets[#nets+1] = network(net)
+		end
+	end
+	table.sort(nets, function(a, b) return a.sid < b.sid end)
+	return nets
+end
 
-local s = system()
+function wifinet.get_interface(self)
+	return interface(self:ifname())
+end
 
-s:print()
 
-s:find_network("wan"):print()
-s:find_interface("eth0"):parent():print()
+-- setup base protocols
+_M:register_protocol("static")
+_M:register_protocol("dhcp")
+_M:register_protocol("none")
 
-]==]
+-- load protocol extensions
+local exts = nfs.dir(utl.libpath() .. "/model/network")
+if exts then
+	local ext
+	for ext in exts do
+		if ext:match("%.lua$") then
+			require("luci.model.network." .. ext:gsub("%.lua$", ""))
+		end
+	end
+end