applications/luci-app-mwan3/luasrc/model/cbi/mwan/interface.lua

   1 -- Copyright 2014 Aedan Renner <chipdankly@gmail.com
   2 -- Copyright 2018 Florian Eckert <fe@dev.tdt.de>
   3 -- Licensed to the public under the GNU General Public License v2.
   4
   5 dsp = require "luci.dispatcher"
   6 uci = require "uci"
   7
   8
   9 function interfaceWarnings(overview, count, iface_max)
  10         local warnings = ""
  11         if count <= iface_max then
  12                 warnings = string.format("<strong>%s</strong><br />",
  13                         translatef("There are currently %d of %d supported interfaces configured", count, iface_max)
  14                         )
  15         else
  16                 warnings = string.format("<strong>%s</strong><br />",
  17                         translatef("WARNING: %d interfaces are configured exceeding the maximum of %d!", count, iface_max)
  18                         )
  19         end
  20
  21         for i, k in pairs(overview) do
  22                 if overview[i]["network"] == false then
  23                         warnings = warnings .. string.format("<strong>%s</strong><br />",
  24                                         translatef("WARNING: Interface %s are not found in /etc/config/network", i)
  25                                         )
  26                 end
  27
  28                 if overview[i]["default_route"] == false then
  29                         warnings = warnings .. string.format("<strong>%s</strong><br />",
  30                                 translatef("WARNING: Interface %s has no default route in the main routing table", i)
  31                                 )
  32                 end
  33
  34                 if overview[i]["reliability"] == false then
  35                         warnings = warnings .. string.format("<strong>%s</strong><br />",
  36                                 translatef("WARNING: Interface %s has a higher reliability " ..
  37                                 "requirement than tracking hosts (%d)", i, overview[i]["tracking"])
  38                                 )
  39                 end
  40
  41                 if overview[i]["duplicate_metric"] == true then
  42                         warnings = warnings .. string.format("<strong>%s</strong><br />",
  43                                 translatef("WARNING: Interface %s has a duplicate metric %s configured", i, overview[i]["metric"])
  44                                 )
  45                 end
  46         end
  47
  48         return warnings
  49 end
  50
  51 function configCheck()
  52         local overview = {}
  53         local count = 0
  54         local duplicate_metric = {}
  55         uci.cursor():foreach("mwan3", "interface",
  56                 function (section)
  57                         local uci = uci.cursor(nil, "/var/state")
  58                         local iface = section[".name"]
  59                         overview[iface] = {}
  60                         count = count + 1
  61                         local network = uci:get("network", iface)
  62                         overview[iface]["network"] = false
  63                         if network ~= nil then
  64                                 overview[iface]["network"] = true
  65
  66                                 local device = uci:get("network", iface, "ifname")
  67                                 if device ~= nil then
  68                                         overview[iface]["device"] = device
  69                                 end
  70
  71                                 local metric = uci:get("network", iface, "metric")
  72                                 if metric ~= nil then
  73                                         overview[iface]["metric"] = metric
  74                                         overview[iface]["duplicate_metric"] = false
  75                                         for _, m in ipairs(duplicate_metric) do
  76                                                 if m == metric then
  77                                                         overview[iface]["duplicate_metric"] = true
  78                                                 end
  79                                         end
  80                                         table.insert(duplicate_metric, metric)
  81                                 end
  82
  83                                 local dump = require("luci.util").ubus("network.interface.%s" % iface, "status", {})
  84                                 overview[iface]["default_route"] = false
  85                                 if dump and dump.route then
  86                                         local _, route
  87                                         for _, route in ipairs(dump.route) do
  88                                                 if dump.route[_].target == "0.0.0.0" then
  89                                                         overview[iface]["default_route"] = true
  90                                                 end
  91                                         end
  92                                 end
  93                         end
  94
  95                         local trackingNumber = uci:get("mwan3", iface, "track_ip")
  96                         overview[iface]["tracking"] = 0
  97                         if trackingNumber and #trackingNumber > 0 then
  98                                 overview[iface]["tracking"] = #trackingNumber
  99                                 overview[iface]["reliability"] = false
 100                                 local reliabilityNumber = tonumber(uci:get("mwan3", iface, "reliability"))
 101                                 if reliabilityNumber and reliabilityNumber <= #trackingNumber then
 102                                         overview[iface]["reliability"] = true
 103                                 end
 104                         end
 105                 end
 106         )
 107
 108         -- calculate iface_max usage from firewall mmx_mask
 109         function bit(p)
 110                 return 2 ^ (p - 1)
 111         end
 112         function hasbit(x, p)
 113                 return x % (p + p) >= p
 114         end
 115         function setbit(x, p)
 116                 return hasbit(x, p) and x or x + p
 117         end
 118
 119         local uci = require("uci").cursor(nil, "/var/state")
 120         local mmx_mask = uci:get("mwan3", "globals", "mmx_mask") or "0x3F00"
 121         local number = tonumber(mmx_mask, 16)
 122         local bits = 0
 123         local iface_max = 0
 124         for i=1,16 do
 125                 if hasbit(number, bit(i)) then
 126                         bits = bits + 1
 127                         iface_max = setbit( iface_max, bit(bits))
 128                 end
 129         end
 130
 131         -- subtract blackhole, unreachable and default table from iface_max
 132         iface_max = iface_max - 3
 133
 134         return overview, count, iface_max
 135 end
 136
 137 m5 = Map("mwan3", translate("MWAN - Interfaces"),
 138         interfaceWarnings(configCheck()))
 139
 140 mwan_interface = m5:section(TypedSection, "interface", nil,
 141         translate("MWAN supports up to 250 physical and/or logical interfaces<br />" ..
 142         "MWAN requires that all interfaces have a unique metric configured in /etc/config/network<br />" ..
 143         "Names must match the interface name found in /etc/config/network (see advanced tab)<br />" ..
 144         "Names may contain characters A-Z, a-z, 0-9, _ and no spaces<br />" ..
 145         "Interfaces may not share the same name as configured members, policies or rules"))
 146 mwan_interface.addremove = true
 147 mwan_interface.dynamic = false
 148 mwan_interface.sectionhead = translate("Interface")
 149 mwan_interface.sortable = false
 150 mwan_interface.template = "cbi/tblsection"
 151 mwan_interface.extedit = dsp.build_url("admin", "network", "mwan", "interface", "%s")
 152 function mwan_interface.create(self, section)
 153         TypedSection.create(self, section)
 154         m5.uci:save("mwan3")
 155         luci.http.redirect(dsp.build_url("admin", "network", "mwan", "interface", section))
 156 end
 157
 158 enabled = mwan_interface:option(DummyValue, "enabled", translate("Enabled"))
 159 enabled.rawhtml = true
 160 function enabled.cfgvalue(self, s)
 161         if self.map:get(s, "enabled") == "1" then
 162                 return translate("Yes")
 163         else
 164                 return translate("No")
 165         end
 166 end
 167
 168 track_method = mwan_interface:option(DummyValue, "track_method", translate("Tracking method"))
 169 track_method.rawhtml = true
 170 function track_method.cfgvalue(self, s)
 171         local tracked = self.map:get(s, "track_ip")
 172         if tracked then
 173                 return self.map:get(s, "track_method") or "&#8212;"
 174         else
 175                 return "&#8212;"
 176         end
 177 end
 178
 179 reliability = mwan_interface:option(DummyValue, "reliability", translate("Tracking reliability"))
 180 reliability.rawhtml = true
 181 function reliability.cfgvalue(self, s)
 182         local tracked = self.map:get(s, "track_ip")
 183         if tracked then
 184                 return self.map:get(s, "reliability") or "&#8212;"
 185         else
 186                 return "&#8212;"
 187         end
 188 end
 189
 190 interval = mwan_interface:option(DummyValue, "interval", translate("Ping interval"))
 191 interval.rawhtml = true
 192 function interval.cfgvalue(self, s)
 193         local tracked = self.map:get(s, "track_ip")
 194         if tracked then
 195                 local intervalValue = self.map:get(s, "interval")
 196                 if intervalValue then
 197                         return intervalValue .. "s"
 198                 else
 199                         return "&#8212;"
 200                 end
 201         else
 202                 return "&#8212;"
 203         end
 204 end
 205
 206 down = mwan_interface:option(DummyValue, "down", translate("Interface down"))
 207 down.rawhtml = true
 208 function down.cfgvalue(self, s)
 209         local tracked = self.map:get(s, "track_ip")
 210         if tracked then
 211                 return self.map:get(s, "down") or "&#8212;"
 212         else
 213                 return "&#8212;"
 214         end
 215 end
 216
 217 up = mwan_interface:option(DummyValue, "up", translate("Interface up"))
 218 up.rawhtml = true
 219 function up.cfgvalue(self, s)
 220         local tracked = self.map:get(s, "track_ip")
 221         if tracked then
 222                 return self.map:get(s, "up") or "&#8212;"
 223         else
 224                 return "&#8212;"
 225         end
 226 end
 227
 228 metric = mwan_interface:option(DummyValue, "metric", translate("Metric"))
 229 metric.rawhtml = true
 230 function metric.cfgvalue(self, s)
 231         local uci = uci.cursor(nil, "/var/state")
 232         local metric = uci:get("network", s, "metric")
 233         if metric then
 234                 return metric
 235         else
 236                 return "&#8212;"
 237         end
 238 end
 239
 240 return m5