---[[
-LuCI - Wireless model
-
-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, type, i18n, uci, math = pairs, type, luci.i18n, luci.model.uci, math
-
-local iwi = require "iwinfo"
-local utl = require "luci.util"
-local uct = require "luci.model.uci.bind"
-
-module "luci.model.wireless"
-
-local ub = uct.bind("wireless")
-local st, ifs
-
-function init(cursor)
- cursor:unload("wireless")
- cursor:load("wireless")
- ub:init(cursor)
-
- st = uci.cursor_state()
- ifs = { }
-
- local count = { }
-
- ub.uci:foreach("wireless", "wifi-iface",
- function(s)
- if s.device then
- count[s.device] = count[s.device] and count[s.device] + 1 or 1
-
- local id = "%s.network%d" %{ s.device, count[s.device] }
-
- ifs[id] = {
- id = id,
- sid = s['.name'],
- count = count
- }
-
- local dev = st:get("wireless", s['.name'], "ifname")
- or st:get("wireless", s['.name'], "device")
-
- local wtype = dev and iwi.type(dev)
- if dev and wtype then
- ifs[id].winfo = iwi[wtype]
- ifs[id].wdev = dev
- end
- end
- end)
-end
-
-function get_device(self, dev)
- return device(dev)
-end
-
-function get_devices(self)
- local devs = { }
- ub.uci:foreach("wireless", "wifi-device",
- function(s) devs[#devs+1] = device(s['.name']) end)
- return devs
-end
-
-function get_network(self, id)
- if ifs[id] then
- return network(ifs[id].sid)
- else
- local n
- for n, _ in pairs(ifs) do
- if ifs[n].sid == id then
- return network(id)
- end
- end
- end
-end
-
-function add_network(self, options)
- if type(options) == "table" and options.device and
- ub.uci:get("wireless", options.device) == "wifi-device"
- then
- local s = ub.uci:section("wireless", "wifi-iface", nil, options)
- local c = 1
- ub.uci:foreach("wireless", "wifi-iface", function(s) c = c + 1 end)
-
- local id = "%s.network%d" %{ options.device, c }
- ifs[id] = {
- id = id,
- sid = s,
- count = c
- }
-
- local wtype = iwi.type(options.device)
- if wtype then
- ifs[id].winfo = iwi[wtype]
- ifs[id].wdev = options.device
- end
-
- return network(s)
- end
-end
-
-function del_network(self, id)
- if ifs[id] then
- ub.uci:delete("wireless", ifs[id].sid)
- ifs[id] = nil
- else
- local n
- for n, _ in pairs(ifs) do
- if ifs[n].sid == id then
- ub.uci:delete("wireless", id)
- ifs[n] = nil
- end
- end
- end
-end
-
-function shortname(self, iface)
- if iface.wdev and iface.winfo then
- return "%s %q" %{
- i18n.translate(iface:active_mode()),
- iface:active_ssid() or i18n.translate("(hidden)")
- }
- else
- return iface:name()
- end
-end
-
-function get_i18n(self, iface)
- if iface.wdev and iface.winfo then
- return "%s: %s %q (%s)" %{
- i18n.translate("Wireless Network"),
- i18n.translate(iface:active_mode()),
- iface:active_ssid() or i18n.translate("(hidden)"), iface.wdev
- }
- else
- return "%s: %q" %{ i18n.translate("Wireless Network"), iface:name() }
- end
-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
-
-
-device = ub:section("wifi-device")
-device:property("type")
-device:property("channel")
-device:property_bool("disabled")
-
-function device.name(self)
- return self.sid
-end
-
-function device.is_up(self)
- local rv = false
-
- if not self:disabled() then
- st:foreach("wireless", "wifi-iface",
- function(s)
- if s.device == self:name() and s.up == "1" then
- rv = true
- return false
- end
- end)
- end
-
- return rv
-end
-
-function device.get_networks(self)
- local nets = { }
-
- ub.uci:foreach("wireless", "wifi-iface",
- function(s)
- if s.device == self:name() then
- nets[#nets+1] = network(s['.name'])
- end
- end)
-
- return nets
-end
-
-
-network = ub:section("wifi-iface")
-network:property("mode")
-network:property("ssid")
-network:property("bssid")
-network:property("network")
-
-function network._init(self, sid)
- local count = { }
-
- local parent_dev = st:get("wireless", sid, "device")
- or ub.uci:get("wireless", sid, "device")
-
- local dev = st:get("wireless", sid, "ifname")
- or parent_dev
-
- if dev then
- ub.uci:foreach("wireless", "wifi-iface",
- function(s)
- if s.device then
- count[s.device] = count[s.device]
- and count[s.device] + 1 or 1
- if s['.name'] == sid then
- self.id = "%s.network%d" %{ parent_dev, count[s.device] }
-
- local wtype = iwi.type(dev)
- if dev and wtype then
- self.winfo = iwi[wtype]
- self.wdev = dev
- end
- end
- end
- end)
- end
-end
-
-function network.name(self)
- return self.id
-end
-
-function network.ifname(self)
- return self.wdev
-end
-
-function network.get_device(self)
- if self.device then
- return device(self.device)
- end
-end
-
-function network.is_up(self)
- return (st:get("wireless", self.sid, "up") == "1")
-end
-
-function network.active_mode(self)
- local m = self.winfo and self.winfo.mode(self.wdev)
- if not m then
- m = self:mode()
- if m == "ap" then m = "AP"
- 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
- end
- return m or "Client"
-end
-
-function network.active_mode_i18n(self)
- return i18n.translate(self:active_mode())
-end
-
-function network.active_ssid(self)
- return self.winfo and self.winfo.ssid(self.wdev) or
- self:ssid()
-end
-
-function network.active_bssid(self)
- return self.winfo and self.winfo.bssid(self.wdev) or
- self:bssid() or "00:00:00:00:00:00"
-end
-
-function network.active_encryption(self)
- local enc = self.winfo and self.winfo.encryption(self.wdev)
- return enc and enc.description or "-"
-end
-
-function network.assoclist(self)
- return self.winfo and self.winfo.assoclist(self.wdev) or { }
-end
-
-function network.frequency(self)
- local freq = self.winfo and self.winfo.frequency(self.wdev)
- return freq and freq > 0 and "%.03f" % (freq / 1000)
-end
-
-function network.bitrate(self)
- local rate = self.winfo and self.winfo.bitrate(self.wdev)
- return rate and rate > 0 and (rate / 1000)
-end
-
-function network.channel(self)
- return self.winfo and self.winfo.channel(self.wdev)
-end
-
-function network.signal(self)
- return self.winfo and self.winfo.signal(self.wdev) or 0
-end
-
-function network.noise(self)
- return self.winfo and self.winfo.noise(self.wdev) or 0
-end
-
-function network.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 network.signal_percent(self)
- local qc = self.winfo and
- self.winfo.quality(self.wdev) or 0
-
- local qm = self.winfo and
- self.winfo.quality_max(self.wdev) or 0
-
- if qc > 0 and qm > 0 then
- return math.floor((100 / qm) * qc)
- else
- return 0
- end
-end
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