From 0d0882aea0e67faaef769c3517f17b1f650f0794 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Wed, 14 Aug 2019 18:17:10 +0200
Subject: [PATCH] luci-base: network.js: overhaul code

 - Rework internal state management
 - Implement new utility functions such as getL3Device() or getModemType()
 - Fix bugs in various functions

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---
 .../htdocs/luci-static/resources/network.js   | 551 +++++++++---------
 1 file changed, 271 insertions(+), 280 deletions(-)

diff --git a/modules/luci-base/htdocs/luci-static/resources/network.js b/modules/luci-base/htdocs/luci-static/resources/network.js
index 487adabb4..d6a97408a 100644
--- a/modules/luci-base/htdocs/luci-static/resources/network.js
+++ b/modules/luci-base/htdocs/luci-static/resources/network.js
@@ -90,119 +90,98 @@ var callGetProtoHandlers = rpc.declare({
 	expect: { '': {} }
 });
 
-var _cache = {},
-    _flush = true,
+var _init = null,
     _state = null,
-    _protocols = {};
-
-function getWifiState(flush) {
-	if (_cache.wifi == null || flush)
-		return callNetworkWirelessStatus().then(function(state) {
-			if (!L.isObject(state))
-				throw !1;
-			return (_cache.wifi = state);
-		}).catch(function() {
-			return (_cache.wifi = {});
-		});
-
-	return Promise.resolve(_cache.wifi);
+    _protocols = {},
+    _protospecs = {};
+
+function getWifiState(cache) {
+	return callNetworkWirelessStatus().then(function(state) {
+		if (!L.isObject(state))
+			throw !1;
+		return state;
+	}).catch(function() {
+		return {};
+	});
 }
 
-function getInterfaceState(flush) {
-	if (_cache.interfacedump == null || flush)
-		return callNetworkInterfaceStatus().then(function(state) {
-			if (!Array.isArray(state))
-				throw !1;
-			return (_cache.interfacedump = state);
-		}).catch(function() {
-			return (_cache.interfacedump = []);
-		});
-
-	return Promise.resolve(_cache.interfacedump);
+function getInterfaceState(cache) {
+	return callNetworkInterfaceStatus().then(function(state) {
+		if (!Array.isArray(state))
+			throw !1;
+		return state;
+	}).catch(function() {
+		return [];
+	});
 }
 
-function getDeviceState(flush) {
-	if (_cache.devicedump == null || flush)
-		return callNetworkDeviceStatus().then(function(state) {
-			if (!L.isObject(state))
-				throw !1;
-			return (_cache.devicedump = state);
-		}).catch(function() {
-			return (_cache.devicedump = {});
-		});
-
-	return Promise.resolve(_cache.devicedump);
+function getDeviceState(cache) {
+	return callNetworkDeviceStatus().then(function(state) {
+		if (!L.isObject(state))
+			throw !1;
+		return state;
+	}).catch(function() {
+		return {};
+	});
 }
 
-function getIfaddrState(flush) {
-	if (_cache.ifaddrs == null || flush)
-		return callLuciIfaddrs().then(function(addrs) {
-			if (!Array.isArray(addrs))
-				throw !1;
-			return (_cache.ifaddrs = addrs);
-		}).catch(function() {
-			return (_cache.ifaddrs = []);
-		});
-
-	return Promise.resolve(_cache.ifaddrs);
+function getIfaddrState(cache) {
+	return callLuciIfaddrs().then(function(addrs) {
+		if (!Array.isArray(addrs))
+			throw !1;
+		return addrs;
+	}).catch(function() {
+		return [];
+	});
 }
 
-function getNetdevState(flush) {
-	if (_cache.devices == null || flush)
-		return callLuciNetdevs().then(function(state) {
-			if (!L.isObject(state))
-				throw !1;
-			return (_cache.devices = state);
-		}).catch(function() {
-			return (_cache.devices = {});
-		});
-
-	return Promise.resolve(_cache.devices);
+function getNetdevState(cache) {
+	return callLuciNetdevs().then(function(state) {
+		if (!L.isObject(state))
+			throw !1;
+		return state;
+	}).catch(function() {
+		return {};
+	});
 }
 
-function getBoardState(flush) {
-	if (_cache.board == null || flush)
-		return callLuciBoardjson().then(function(state) {
-			if (!L.isObject(state))
-				throw !1;
-			return (_cache.board = state);
-		}).catch(function() {
-			return (_cache.board = {});
-		});
-
-	return Promise.resolve(_cache.board);
+function getBoardState(cache) {
+	return callLuciBoardjson().then(function(state) {
+		if (!L.isObject(state))
+			throw !1;
+		return state;
+	}).catch(function() {
+		return {};
+	});
 }
 
-function getProtocolHandlers(flush) {
-	if (_cache.protocols == null || flush)
-		return callGetProtoHandlers().then(function(protos) {
-			if (!L.isObject(protos))
-				throw !1;
+function getProtocolHandlers(cache) {
+	return callGetProtoHandlers().then(function(protos) {
+		if (!L.isObject(protos))
+			throw !1;
 
-			_cache.protocols = protos;
+		Object.assign(_protospecs, protos);
 
-			return Promise.all(Object.keys(protos).map(function(p) {
-				return Promise.resolve(L.require('protocol.%s'.format(p))).catch(function(err) {
-					if (L.isObject(err) && err.name != 'NetworkError')
-						L.error(err);
-				});
-			})).then(function() {
-				return _cache.protocols;
+		return Promise.all(Object.keys(protos).map(function(p) {
+			return Promise.resolve(L.require('protocol.%s'.format(p))).catch(function(err) {
+				if (L.isObject(err) && err.name != 'NetworkError')
+					L.error(err);
 			});
-		}).catch(function() {
-			return (_cache.protocols = {});
+		})).then(function() {
+			return protos;
 		});
-
-	return Promise.resolve(_cache.protocols);
+	}).catch(function() {
+		return {};
+	});
 }
 
 function getWifiStateBySid(sid) {
 	var s = uci.get('wireless', sid);
 
 	if (s != null && s['.type'] == 'wifi-iface') {
-		for (var radioname in _cache.wifi) {
-			for (var i = 0; i < _cache.wifi[radioname].interfaces.length; i++) {
-				var netstate = _cache.wifi[radioname].interfaces[i];
+		for (var radioname in _state.radios) {
+			for (var i = 0; i < _state.radios[radioname].interfaces.length; i++) {
+				var netstate = _state.radios[radioname].interfaces[i];
 
 				if (typeof(netstate.section) != 'string')
 					continue;
@@ -210,7 +189,7 @@ function getWifiStateBySid(sid) {
 				var s2 = uci.get('wireless', netstate.section);
 
 				if (s2 != null && s['.type'] == s2['.type'] && s['.name'] == s2['.name'])
-					return [ radioname, _cache.wifi[radioname], netstate ];
+					return [ radioname, _state.radios[radioname], netstate ];
 			}
 		}
 	}
@@ -219,15 +198,15 @@ function getWifiStateBySid(sid) {
 }
 
 function getWifiStateByIfname(ifname) {
-	for (var radioname in _cache.wifi) {
-		for (var i = 0; i < _cache.wifi[radioname].interfaces.length; i++) {
-			var netstate = _cache.wifi[radioname].interfaces[i];
+	for (var radioname in _state.radios) {
+		for (var i = 0; i < _state.radios[radioname].interfaces.length; i++) {
+			var netstate = _state.radios[radioname].interfaces[i];
 
 			if (typeof(netstate.ifname) != 'string')
 				continue;
 
 			if (netstate.ifname == ifname)
-				return [ radioname, _cache.wifi[radioname], netstate ];
+				return [ radioname, _state.radios[radioname], netstate ];
 		}
 	}
 
@@ -367,7 +346,7 @@ function appendValue(config, section, option, value) {
 	    rv = false;
 
 	if (isArray == false)
-		values = String(values || '').split(/\s+/);
+		values = L.toArray(values);
 
 	if (values.indexOf(value) == -1) {
 		values.push(value);
@@ -385,7 +364,7 @@ function removeValue(config, section, option, value) {
 	    rv = false;
 
 	if (isArray == false)
-		values = String(values || '').split(/\s+/);
+		values = L.toArray(values);
 
 	for (var i = values.length - 1; i >= 0; i--) {
 		if (values[i] == value) {
@@ -444,159 +423,160 @@ function maskToPrefix(mask, v6) {
 	return bits;
 }
 
-function initNetworkState() {
-	var flush = _flush;
-
-	_flush = false;
-
-	if (_state != null && !flush)
-		return Promise.resolve(_state);
-
-	if (_cache.pendingInit != null)
-		return Promise.resolve(_cache.pendingInit);
-
-	return (_cache.pendingInit = Promise.all([
-		getInterfaceState(flush), getDeviceState(flush), getBoardState(flush),
-		getWifiState(flush), getIfaddrState(flush), getNetdevState(flush), getProtocolHandlers(flush),
-		uci.load('network'), uci.load('wireless'), uci.load('luci')
-	]).finally(function() {
-		var ifaddrs = _cache.ifaddrs,
-		    devices = _cache.devices,
-		    board = _cache.board,
-		    s = { isTunnel: {}, isBridge: {}, isSwitch: {}, isWifi: {}, interfaces: {}, bridges: {}, switches: {} };
-
-		for (var i = 0, a; (a = ifaddrs[i]) != null; i++) {
-			var name = a.name.replace(/:.+$/, '');
-
-			if (isVirtualIfname(name))
-				s.isTunnel[name] = true;
-
-			if (s.isTunnel[name] || !(isIgnoredIfname(name) || isVirtualIfname(name))) {
-				s.interfaces[name] = s.interfaces[name] || {
-					idx:      a.ifindex || i,
-					name:     name,
-					rawname:  a.name,
-					flags:    [],
-					ipaddrs:  [],
-					ip6addrs: []
-				};
-
-				if (a.family == 'packet') {
-					s.interfaces[name].flags   = a.flags;
-					s.interfaces[name].stats   = a.data;
-					s.interfaces[name].macaddr = a.addr;
-				}
-				else if (a.family == 'inet') {
-					s.interfaces[name].ipaddrs.push(a.addr + '/' + a.netmask);
-				}
-				else if (a.family == 'inet6') {
-					s.interfaces[name].ip6addrs.push(a.addr + '/' + a.netmask);
+function initNetworkState(refresh) {
+	if (_state == null || refresh) {
+		_init = _init || Promise.all([
+			getInterfaceState(), getDeviceState(), getBoardState(),
+			getWifiState(), getIfaddrState(), getNetdevState(), getProtocolHandlers(),
+			uci.load('network'), uci.load('wireless'), uci.load('luci')
+		]).then(function(data) {
+			var board = data[2], ifaddrs = data[4], devices = data[5];
+			var s = {
+				isTunnel: {}, isBridge: {}, isSwitch: {}, isWifi: {},
+				ifaces: data[0], devices: data[1], radios: data[3],
+				netdevs: {}, bridges: {}, switches: {}
+			};
+
+			for (var i = 0, a; (a = ifaddrs[i]) != null; i++) {
+				var name = a.name.replace(/:.+$/, '');
+
+				if (isVirtualIfname(name))
+					s.isTunnel[name] = true;
+
+				if (s.isTunnel[name] || !(isIgnoredIfname(name) || isVirtualIfname(name))) {
+					s.netdevs[name] = s.netdevs[name] || {
+						idx:      a.ifindex || i,
+						name:     name,
+						rawname:  a.name,
+						flags:    [],
+						ipaddrs:  [],
+						ip6addrs: []
+					};
+
+					if (a.family == 'packet') {
+						s.netdevs[name].flags   = a.flags;
+						s.netdevs[name].stats   = a.data;
+						s.netdevs[name].macaddr = a.addr;
+					}
+					else if (a.family == 'inet') {
+						s.netdevs[name].ipaddrs.push(a.addr + '/' + a.netmask);
+					}
+					else if (a.family == 'inet6') {
+						s.netdevs[name].ip6addrs.push(a.addr + '/' + a.netmask);
+					}
 				}
 			}
-		}
 
-		for (var devname in devices) {
-			var dev = devices[devname];
+			for (var devname in devices) {
+				var dev = devices[devname];
+
+				if (dev.bridge) {
+					var b = {
+						name:    devname,
+						id:      dev.id,
+						stp:     dev.stp,
+						ifnames: []
+					};
 
-			if (dev.bridge) {
-				var b = {
-					name:    devname,
-					id:      dev.id,
-					stp:     dev.stp,
-					ifnames: []
-				};
+					for (var i = 0; dev.ports && i < dev.ports.length; i++) {
+						var subdev = s.netdevs[dev.ports[i]];
 
-				for (var i = 0; dev.ports && i < dev.ports.length; i++) {
-					var subdev = s.interfaces[dev.ports[i]];
+						if (subdev == null)
+							continue;
 
-					if (subdev == null)
-						continue;
+						b.ifnames.push(subdev);
+						subdev.bridge = b;
+					}
 
-					b.ifnames.push(subdev);
-					subdev.bridge = b;
+					s.bridges[devname] = b;
+					s.isBridge[devname] = true;
 				}
 
-				s.bridges[devname] = b;
-			}
-
-			if (s.interfaces.hasOwnProperty(devname)) {
-				Object.assign(s.interfaces[devname], {
-					macaddr: dev.mac,
-					type:    dev.type,
-					mtu:     dev.mtu,
-					qlen:    dev.qlen
-				});
+				if (s.netdevs.hasOwnProperty(devname)) {
+					Object.assign(s.netdevs[devname], {
+						macaddr: dev.mac,
+						type:    dev.type,
+						mtu:     dev.mtu,
+						qlen:    dev.qlen
+					});
+				}
 			}
-		}
 
-		if (L.isObject(board.switch)) {
-			for (var switchname in board.switch) {
-				var layout = board.switch[switchname],
-				    netdevs = {},
-				    nports = {},
-				    ports = [],
-				    pnum = null,
-				    role = null;
-
-				if (L.isObject(layout) && Array.isArray(layout.ports)) {
-					for (var i = 0, port; (port = layout.ports[i]) != null; i++) {
-						if (typeof(port) == 'object' && typeof(port.num) == 'number' &&
-							(typeof(port.role) == 'string' || typeof(port.device) == 'string')) {
-							var spec = {
-								num:   port.num,
-								role:  port.role || 'cpu',
-								index: (port.index != null) ? port.index : port.num
-							};
-
-							if (port.device != null) {
-								spec.device = port.device;
-								spec.tagged = spec.need_tag;
-								netdevs[port.num] = port.device;
+			if (L.isObject(board.switch)) {
+				for (var switchname in board.switch) {
+					var layout = board.switch[switchname],
+					    netdevs = {},
+					    nports = {},
+					    ports = [],
+					    pnum = null,
+					    role = null;
+
+					if (L.isObject(layout) && Array.isArray(layout.ports)) {
+						for (var i = 0, port; (port = layout.ports[i]) != null; i++) {
+							if (typeof(port) == 'object' && typeof(port.num) == 'number' &&
+								(typeof(port.role) == 'string' || typeof(port.device) == 'string')) {
+								var spec = {
+									num:   port.num,
+									role:  port.role || 'cpu',
+									index: (port.index != null) ? port.index : port.num
+								};
+
+								if (port.device != null) {
+									spec.device = port.device;
+									spec.tagged = spec.need_tag;
+									netdevs[port.num] = port.device;
+								}
+
+								ports.push(spec);
+
+								if (port.role != null)
+									nports[port.role] = (nports[port.role] || 0) + 1;
 							}
+						}
 
-							ports.push(spec);
+						ports.sort(function(a, b) {
+							if (a.role != b.role)
+								return (a.role < b.role) ? -1 : 1;
 
-							if (port.role != null)
-								nports[port.role] = (nports[port.role] || 0) + 1;
-						}
-					}
+							return (a.index - b.index);
+						});
 
-					ports.sort(function(a, b) {
-						if (a.role != b.role)
-							return (a.role < b.role) ? -1 : 1;
+						for (var i = 0, port; (port = ports[i]) != null; i++) {
+							if (port.role != role) {
+								role = port.role;
+								pnum = 1;
+							}
 
-						return (a.index - b.index);
-					});
+							if (role == 'cpu')
+								port.label = 'CPU (%s)'.format(port.device);
+							else if (nports[role] > 1)
+								port.label = '%s %d'.format(role.toUpperCase(), pnum++);
+							else
+								port.label = role.toUpperCase();
 
-					for (var i = 0, port; (port = ports[i]) != null; i++) {
-						if (port.role != role) {
-							role = port.role;
-							pnum = 1;
+							delete port.role;
+							delete port.index;
 						}
 
-						if (role == 'cpu')
-							port.label = 'CPU (%s)'.format(port.device);
-						else if (nports[role] > 1)
-							port.label = '%s %d'.format(role.toUpperCase(), pnum++);
-						else
-							port.label = role.toUpperCase();
-
-						delete port.role;
-						delete port.index;
+						s.switches[switchname] = {
+							ports: ports,
+							netdevs: netdevs
+						};
 					}
-
-					s.switches[switchname] = {
-						ports: ports,
-						netdevs: netdevs
-					};
 				}
 			}
-		}
 
-		delete _cache.pendingInit;
+			if (L.isObject(board.dsl) && L.isObject(board.dsl.modem)) {
+				s.hasDSLModem = board.dsl.modem;
+			}
 
-		return (_state = s);
-	}));
+			_init = null;
+
+			return (_state = s);
+		});
+	}
+
+	return (_state != null ? Promise.resolve(_state) : _init);
 }
 
 function ifnameOf(obj) {
@@ -637,9 +617,8 @@ Network = L.Class.extend({
 	maskToPrefix: maskToPrefix,
 
 	flushCache: function() {
-		return Promise.resolve(_state).then(function() {
-			_flush = true;
-		});
+		initNetworkState(true);
+		return _init;
 	},
 
 	getProtocol: function(protoname, netname) {
@@ -660,7 +639,7 @@ Network = L.Class.extend({
 	},
 
 	registerProtocol: function(protoname, methods) {
-		var spec = L.isObject(_cache.protocols) ? _cache.protocols[protoname] : null;
+		var spec = L.isObject(_protospecs) ? _protospecs[protoname] : null;
 		var proto = Protocol.extend(Object.assign({
 			getI18n: function() {
 				return protoname;
@@ -740,9 +719,9 @@ Network = L.Class.extend({
 				return this.instantiateNetwork(name);
 			}
 			else if (name != null) {
-				for (var i = 0; i < _cache.interfacedump.length; i++)
-					if (_cache.interfacedump[i].interface == name)
-						return this.instantiateNetwork(name, _cache.interfacedump[i].proto);
+				for (var i = 0; i < _state.ifaces.length; i++)
+					if (_state.ifaces[i].interface == name)
+						return this.instantiateNetwork(name, _state.ifaces[i].proto);
 			}
 
 			return null;
@@ -757,10 +736,10 @@ Network = L.Class.extend({
 			for (var i = 0; i < uciInterfaces.length; i++)
 				networks[uciInterfaces[i]['.name']] = this.instantiateNetwork(uciInterfaces[i]['.name']);
 
-			for (var i = 0; i < _cache.interfacedump.length; i++)
-				if (networks[_cache.interfacedump[i].interface] == null)
-					networks[_cache.interfacedump[i].interface] =
-						this.instantiateNetwork(_cache.interfacedump[i].interface, _cache.interfacedump[i].proto);
+			for (var i = 0; i < _state.ifaces.length; i++)
+				if (networks[_state.ifaces[i].interface] == null)
+					networks[_state.ifaces[i].interface] =
+						this.instantiateNetwork(_state.ifaces[i].interface, _state.ifaces[i].proto);
 
 			var rv = [];
 
@@ -874,7 +853,7 @@ Network = L.Class.extend({
 			if (name == null)
 				return null;
 
-			if (_state.interfaces.hasOwnProperty(name) || isWifiIfname(name))
+			if (_state.netdevs.hasOwnProperty(name) || isWifiIfname(name))
 				return this.instantiateDevice(name);
 
 			var netid = getWifiNetidBySid(name);
@@ -905,7 +884,7 @@ Network = L.Class.extend({
 				}
 			}
 
-			for (var ifname in _state.interfaces) {
+			for (var ifname in _state.netdevs) {
 				if (devices.hasOwnProperty(ifname))
 					continue;
 
@@ -1096,7 +1075,7 @@ Network = L.Class.extend({
 			var radioname = existingDevice['.name'],
 			    netid = getWifiNetidBySid(sid) || [];
 
-			return this.instantiateWifiNetwork(sid, radioname, _cache.wifi[radioname], netid[0], null, { ifname: netid });
+			return this.instantiateWifiNetwork(sid, radioname, _state.radios[radioname], netid[0], null, { ifname: netid });
 		}, this));
 	},
 
@@ -1116,20 +1095,24 @@ Network = L.Class.extend({
 		return initNetworkState().then(L.bind(function() {
 			var rv = [];
 
-			for (var i = 0; i < _state.interfacedump.length; i++) {
-				if (!Array.isArray(_state.interfacedump[i].route))
+			for (var i = 0; i < _state.ifaces.length; i++) {
+				if (!Array.isArray(_state.ifaces[i].route))
 					continue;
 
-				for (var j = 0; j < _state.interfacedump[i].route.length; j++) {
-					if (typeof(_state.interfacedump[i].route[j]) != 'object' ||
-					    typeof(_state.interfacedump[i].route[j].target) != 'string' ||
-					    typeof(_state.interfacedump[i].route[j].mask) != 'number')
+				for (var j = 0; j < _state.ifaces[i].route.length; j++) {
+					if (typeof(_state.ifaces[i].route[j]) != 'object' ||
+					    typeof(_state.ifaces[i].route[j].target) != 'string' ||
+					    typeof(_state.ifaces[i].route[j].mask) != 'number')
 					    continue;
 
-					if (_state.interfacedump[i].route[j].table)
+					if (_state.ifaces[i].route[j].table)
 						continue;
 
-					rv.push(_state.interfacedump[i]);
+					if (_state.ifaces[i].route[j].target != addr ||
+					    _state.ifaces[i].route[j].mask != mask)
+					    continue;
+
+					rv.push(_state.ifaces[i]);
 				}
 			}
 
@@ -1141,25 +1124,25 @@ Network = L.Class.extend({
 		return initNetworkState().then(L.bind(function() {
 			var rv = [];
 
-			for (var i = 0; i < _state.interfacedump.length; i++) {
-				if (Array.isArray(_state.interfacedump[i]['ipv4-address']))
-					for (var j = 0; j < _state.interfacedump[i]['ipv4-address'].length; j++)
-						if (typeof(_state.interfacedump[i]['ipv4-address'][j]) == 'object' &&
-						    _state.interfacedump[i]['ipv4-address'][j].address == addr)
-							return _state.interfacedump[i];
-
-				if (Array.isArray(_state.interfacedump[i]['ipv6-address']))
-					for (var j = 0; j < _state.interfacedump[i]['ipv6-address'].length; j++)
-						if (typeof(_state.interfacedump[i]['ipv6-address'][j]) == 'object' &&
-						    _state.interfacedump[i]['ipv6-address'][j].address == addr)
-							return _state.interfacedump[i];
-
-				if (Array.isArray(_state.interfacedump[i]['ipv6-prefix-assignment']))
-					for (var j = 0; j < _state.interfacedump[i]['ipv6-prefix-assignment'].length; j++)
-						if (typeof(_state.interfacedump[i]['ipv6-prefix-assignment'][j]) == 'object' &&
-							typeof(_state.interfacedump[i]['ipv6-prefix-assignment'][j]['local-address']) == 'object' &&
-						    _state.interfacedump[i]['ipv6-prefix-assignment'][j]['local-address'].address == addr)
-							return _state.interfacedump[i];
+			for (var i = 0; i < _state.ifaces.length; i++) {
+				if (Array.isArray(_state.ifaces[i]['ipv4-address']))
+					for (var j = 0; j < _state.ifaces[i]['ipv4-address'].length; j++)
+						if (typeof(_state.ifaces[i]['ipv4-address'][j]) == 'object' &&
+						    _state.ifaces[i]['ipv4-address'][j].address == addr)
+							return _state.ifaces[i];
+
+				if (Array.isArray(_state.ifaces[i]['ipv6-address']))
+					for (var j = 0; j < _state.ifaces[i]['ipv6-address'].length; j++)
+						if (typeof(_state.ifaces[i]['ipv6-address'][j]) == 'object' &&
+						    _state.ifaces[i]['ipv6-address'][j].address == addr)
+							return _state.ifaces[i];
+
+				if (Array.isArray(_state.ifaces[i]['ipv6-prefix-assignment']))
+					for (var j = 0; j < _state.ifaces[i]['ipv6-prefix-assignment'].length; j++)
+						if (typeof(_state.ifaces[i]['ipv6-prefix-assignment'][j]) == 'object' &&
+							typeof(_state.ifaces[i]['ipv6-prefix-assignment'][j]['local-address']) == 'object' &&
+						    _state.ifaces[i]['ipv6-prefix-assignment'][j]['local-address'].address == addr)
+							return _state.ifaces[i];
 			}
 
 			return null;
@@ -1218,6 +1201,12 @@ Network = L.Class.extend({
 
 	getIfnameOf: function(obj) {
 		return ifnameOf(obj);
+	},
+
+	getDSLModemType: function() {
+		return initNetworkState().then(function() {
+			return _state.hasDSLModem ? _state.hasDSLModem.type : null;
+		});
 	}
 });
 
@@ -1236,11 +1225,11 @@ Protocol = L.Class.extend({
 	},
 
 	_ubus: function(field) {
-		for (var i = 0; i < _cache.interfacedump.length; i++) {
-			if (_cache.interfacedump[i].interface != this.sid)
+		for (var i = 0; i < _state.ifaces.length; i++) {
+			if (_state.ifaces[i].interface != this.sid)
 				continue;
 
-			return (field != null ? _cache.interfacedump[i][field] : _cache.interfacedump[i]);
+			return (field != null ? _state.ifaces[i][field] : _state.ifaces[i]);
 		}
 	},
 
@@ -1538,11 +1527,6 @@ Protocol = L.Class.extend({
 			return new Device(ifname, this);
 		}
 		else {
-			var ifname = this._ubus('l3_device') || this._ubus('device');
-
-			if (ifname != null)
-				return L.network.instantiateDevice(ifname, this);
-
 			var ifnames = L.toArray(uci.get('network', this.sid, 'ifname'));
 
 			for (var i = 0; i < ifnames.length; i++) {
@@ -1561,6 +1545,11 @@ Protocol = L.Class.extend({
 		return (ifname != null ? L.network.instantiateDevice(ifname, this) : null);
 	},
 
+	getL3Device: function() {
+		var ifname = this._ubus('l3_device');
+		return (ifname != null ? L.network.instantiateDevice(ifname, this) : null);
+	},
+
 	getDevices: function() {
 		var rv = [];
 
@@ -1647,12 +1636,12 @@ Device = L.Class.extend({
 		}
 
 		this.ifname  = this.ifname || ifname;
-		this.dev     = _state.interfaces[this.ifname];
+		this.dev     = _state.netdevs[this.ifname];
 		this.network = network;
 	},
 
 	_ubus: function(field) {
-		var dump = _cache.devicedump[this.ifname] || {};
+		var dump = _state.devices[this.ifname] || {};
 
 		return (field != null ? dump[field] : dump);
 	},
@@ -1751,7 +1740,9 @@ Device = L.Class.extend({
 			return null;
 
 		for (var i = 0; i < br.ifnames.length; i++)
-			rv.push(L.network.instantiateDevice(br.ifnames[i]));
+			rv.push(L.network.instantiateDevice(br.ifnames[i].name));
+
+		rv.sort(deviceSort);
 
 		return rv;
 	},
@@ -1882,8 +1873,8 @@ WifiDevice = L.Class.extend({
 	},
 
 	isUp: function() {
-		if (L.isObject(_cache.wifi[this.sid]))
-			return (_cache.wifi[this.sid].up == true);
+		if (L.isObject(_state.radios[this.sid]))
+			return (_state.radios[this.sid].up == true);
 
 		return false;
 	},
-- 
2.25.1